(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
'use strict'

exports.byteLength = byteLength
exports.toByteArray = toByteArray
exports.fromByteArray = fromByteArray

var lookup = []
var revLookup = []
var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array

var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
for (var i = 0, len = code.length; i < len; ++i) {
  lookup[i] = code[i]
  revLookup[code.charCodeAt(i)] = i
}

// Support decoding URL-safe base64 strings, as Node.js does.
// See: https://en.wikipedia.org/wiki/Base64#URL_applications
revLookup['-'.charCodeAt(0)] = 62
revLookup['_'.charCodeAt(0)] = 63

function getLens (b64) {
  var len = b64.length

  if (len % 4 > 0) {
    throw new Error('Invalid string. Length must be a multiple of 4')
  }

  // Trim off extra bytes after placeholder bytes are found
  // See: https://github.com/beatgammit/base64-js/issues/42
  var validLen = b64.indexOf('=')
  if (validLen === -1) validLen = len

  var placeHoldersLen = validLen === len
    ? 0
    : 4 - (validLen % 4)

  return [validLen, placeHoldersLen]
}

// base64 is 4/3 + up to two characters of the original data
function byteLength (b64) {
  var lens = getLens(b64)
  var validLen = lens[0]
  var placeHoldersLen = lens[1]
  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen
}

function _byteLength (b64, validLen, placeHoldersLen) {
  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen
}

function toByteArray (b64) {
  var tmp
  var lens = getLens(b64)
  var validLen = lens[0]
  var placeHoldersLen = lens[1]

  var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen))

  var curByte = 0

  // if there are placeholders, only get up to the last complete 4 chars
  var len = placeHoldersLen > 0
    ? validLen - 4
    : validLen

  var i
  for (i = 0; i < len; i += 4) {
    tmp =
      (revLookup[b64.charCodeAt(i)] << 18) |
      (revLookup[b64.charCodeAt(i + 1)] << 12) |
      (revLookup[b64.charCodeAt(i + 2)] << 6) |
      revLookup[b64.charCodeAt(i + 3)]
    arr[curByte++] = (tmp >> 16) & 0xFF
    arr[curByte++] = (tmp >> 8) & 0xFF
    arr[curByte++] = tmp & 0xFF
  }

  if (placeHoldersLen === 2) {
    tmp =
      (revLookup[b64.charCodeAt(i)] << 2) |
      (revLookup[b64.charCodeAt(i + 1)] >> 4)
    arr[curByte++] = tmp & 0xFF
  }

  if (placeHoldersLen === 1) {
    tmp =
      (revLookup[b64.charCodeAt(i)] << 10) |
      (revLookup[b64.charCodeAt(i + 1)] << 4) |
      (revLookup[b64.charCodeAt(i + 2)] >> 2)
    arr[curByte++] = (tmp >> 8) & 0xFF
    arr[curByte++] = tmp & 0xFF
  }

  return arr
}

function tripletToBase64 (num) {
  return lookup[num >> 18 & 0x3F] +
    lookup[num >> 12 & 0x3F] +
    lookup[num >> 6 & 0x3F] +
    lookup[num & 0x3F]
}

function encodeChunk (uint8, start, end) {
  var tmp
  var output = []
  for (var i = start; i < end; i += 3) {
    tmp =
      ((uint8[i] << 16) & 0xFF0000) +
      ((uint8[i + 1] << 8) & 0xFF00) +
      (uint8[i + 2] & 0xFF)
    output.push(tripletToBase64(tmp))
  }
  return output.join('')
}

function fromByteArray (uint8) {
  var tmp
  var len = uint8.length
  var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
  var parts = []
  var maxChunkLength = 16383 // must be multiple of 3

  // go through the array every three bytes, we'll deal with trailing stuff later
  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
    parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))
  }

  // pad the end with zeros, but make sure to not forget the extra bytes
  if (extraBytes === 1) {
    tmp = uint8[len - 1]
    parts.push(
      lookup[tmp >> 2] +
      lookup[(tmp << 4) & 0x3F] +
      '=='
    )
  } else if (extraBytes === 2) {
    tmp = (uint8[len - 2] << 8) + uint8[len - 1]
    parts.push(
      lookup[tmp >> 10] +
      lookup[(tmp >> 4) & 0x3F] +
      lookup[(tmp << 2) & 0x3F] +
      '='
    )
  }

  return parts.join('')
}

},{}],2:[function(require,module,exports){

},{}],3:[function(require,module,exports){
(function (Buffer){(function (){
/*!
 * The buffer module from node.js, for the browser.
 *
 * @author   Feross Aboukhadijeh <https://feross.org>
 * @license  MIT
 */
/* eslint-disable no-proto */

'use strict'

var base64 = require('base64-js')
var ieee754 = require('ieee754')

exports.Buffer = Buffer
exports.SlowBuffer = SlowBuffer
exports.INSPECT_MAX_BYTES = 50

var K_MAX_LENGTH = 0x7fffffff
exports.kMaxLength = K_MAX_LENGTH

/**
 * If `Buffer.TYPED_ARRAY_SUPPORT`:
 *   === true    Use Uint8Array implementation (fastest)
 *   === false   Print warning and recommend using `buffer` v4.x which has an Object
 *               implementation (most compatible, even IE6)
 *
 * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
 * Opera 11.6+, iOS 4.2+.
 *
 * We report that the browser does not support typed arrays if the are not subclassable
 * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array`
 * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support
 * for __proto__ and has a buggy typed array implementation.
 */
Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport()

if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' &&
    typeof console.error === 'function') {
  console.error(
    'This browser lacks typed array (Uint8Array) support which is required by ' +
    '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.'
  )
}

function typedArraySupport () {
  // Can typed array instances can be augmented?
  try {
    var arr = new Uint8Array(1)
    arr.__proto__ = { __proto__: Uint8Array.prototype, foo: function () { return 42 } }
    return arr.foo() === 42
  } catch (e) {
    return false
  }
}

Object.defineProperty(Buffer.prototype, 'parent', {
  enumerable: true,
  get: function () {
    if (!Buffer.isBuffer(this)) return undefined
    return this.buffer
  }
})

Object.defineProperty(Buffer.prototype, 'offset', {
  enumerable: true,
  get: function () {
    if (!Buffer.isBuffer(this)) return undefined
    return this.byteOffset
  }
})

function createBuffer (length) {
  if (length > K_MAX_LENGTH) {
    throw new RangeError('The value "' + length + '" is invalid for option "size"')
  }
  // Return an augmented `Uint8Array` instance
  var buf = new Uint8Array(length)
  buf.__proto__ = Buffer.prototype
  return buf
}

/**
 * The Buffer constructor returns instances of `Uint8Array` that have their
 * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
 * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
 * and the `Uint8Array` methods. Square bracket notation works as expected -- it
 * returns a single octet.
 *
 * The `Uint8Array` prototype remains unmodified.
 */

function Buffer (arg, encodingOrOffset, length) {
  // Common case.
  if (typeof arg === 'number') {
    if (typeof encodingOrOffset === 'string') {
      throw new TypeError(
        'The "string" argument must be of type string. Received type number'
      )
    }
    return allocUnsafe(arg)
  }
  return from(arg, encodingOrOffset, length)
}

// Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97
if (typeof Symbol !== 'undefined' && Symbol.species != null &&
    Buffer[Symbol.species] === Buffer) {
  Object.defineProperty(Buffer, Symbol.species, {
    value: null,
    configurable: true,
    enumerable: false,
    writable: false
  })
}

Buffer.poolSize = 8192 // not used by this implementation

function from (value, encodingOrOffset, length) {
  if (typeof value === 'string') {
    return fromString(value, encodingOrOffset)
  }

  if (ArrayBuffer.isView(value)) {
    return fromArrayLike(value)
  }

  if (value == null) {
    throw TypeError(
      'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +
      'or Array-like Object. Received type ' + (typeof value)
    )
  }

  if (isInstance(value, ArrayBuffer) ||
      (value && isInstance(value.buffer, ArrayBuffer))) {
    return fromArrayBuffer(value, encodingOrOffset, length)
  }

  if (typeof value === 'number') {
    throw new TypeError(
      'The "value" argument must not be of type number. Received type number'
    )
  }

  var valueOf = value.valueOf && value.valueOf()
  if (valueOf != null && valueOf !== value) {
    return Buffer.from(valueOf, encodingOrOffset, length)
  }

  var b = fromObject(value)
  if (b) return b

  if (typeof Symbol !== 'undefined' && Symbol.toPrimitive != null &&
      typeof value[Symbol.toPrimitive] === 'function') {
    return Buffer.from(
      value[Symbol.toPrimitive]('string'), encodingOrOffset, length
    )
  }

  throw new TypeError(
    'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +
    'or Array-like Object. Received type ' + (typeof value)
  )
}

/**
 * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
 * if value is a number.
 * Buffer.from(str[, encoding])
 * Buffer.from(array)
 * Buffer.from(buffer)
 * Buffer.from(arrayBuffer[, byteOffset[, length]])
 **/
Buffer.from = function (value, encodingOrOffset, length) {
  return from(value, encodingOrOffset, length)
}

// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug:
// https://github.com/feross/buffer/pull/148
Buffer.prototype.__proto__ = Uint8Array.prototype
Buffer.__proto__ = Uint8Array

function assertSize (size) {
  if (typeof size !== 'number') {
    throw new TypeError('"size" argument must be of type number')
  } else if (size < 0) {
    throw new RangeError('The value "' + size + '" is invalid for option "size"')
  }
}

function alloc (size, fill, encoding) {
  assertSize(size)
  if (size <= 0) {
    return createBuffer(size)
  }
  if (fill !== undefined) {
    // Only pay attention to encoding if it's a string. This
    // prevents accidentally sending in a number that would
    // be interpretted as a start offset.
    return typeof encoding === 'string'
      ? createBuffer(size).fill(fill, encoding)
      : createBuffer(size).fill(fill)
  }
  return createBuffer(size)
}

/**
 * Creates a new filled Buffer instance.
 * alloc(size[, fill[, encoding]])
 **/
Buffer.alloc = function (size, fill, encoding) {
  return alloc(size, fill, encoding)
}

function allocUnsafe (size) {
  assertSize(size)
  return createBuffer(size < 0 ? 0 : checked(size) | 0)
}

/**
 * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
 * */
Buffer.allocUnsafe = function (size) {
  return allocUnsafe(size)
}
/**
 * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
 */
Buffer.allocUnsafeSlow = function (size) {
  return allocUnsafe(size)
}

function fromString (string, encoding) {
  if (typeof encoding !== 'string' || encoding === '') {
    encoding = 'utf8'
  }

  if (!Buffer.isEncoding(encoding)) {
    throw new TypeError('Unknown encoding: ' + encoding)
  }

  var length = byteLength(string, encoding) | 0
  var buf = createBuffer(length)

  var actual = buf.write(string, encoding)

  if (actual !== length) {
    // Writing a hex string, for example, that contains invalid characters will
    // cause everything after the first invalid character to be ignored. (e.g.
    // 'abxxcd' will be treated as 'ab')
    buf = buf.slice(0, actual)
  }

  return buf
}

function fromArrayLike (array) {
  var length = array.length < 0 ? 0 : checked(array.length) | 0
  var buf = createBuffer(length)
  for (var i = 0; i < length; i += 1) {
    buf[i] = array[i] & 255
  }
  return buf
}

function fromArrayBuffer (array, byteOffset, length) {
  if (byteOffset < 0 || array.byteLength < byteOffset) {
    throw new RangeError('"offset" is outside of buffer bounds')
  }

  if (array.byteLength < byteOffset + (length || 0)) {
    throw new RangeError('"length" is outside of buffer bounds')
  }

  var buf
  if (byteOffset === undefined && length === undefined) {
    buf = new Uint8Array(array)
  } else if (length === undefined) {
    buf = new Uint8Array(array, byteOffset)
  } else {
    buf = new Uint8Array(array, byteOffset, length)
  }

  // Return an augmented `Uint8Array` instance
  buf.__proto__ = Buffer.prototype
  return buf
}

function fromObject (obj) {
  if (Buffer.isBuffer(obj)) {
    var len = checked(obj.length) | 0
    var buf = createBuffer(len)

    if (buf.length === 0) {
      return buf
    }

    obj.copy(buf, 0, 0, len)
    return buf
  }

  if (obj.length !== undefined) {
    if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) {
      return createBuffer(0)
    }
    return fromArrayLike(obj)
  }

  if (obj.type === 'Buffer' && Array.isArray(obj.data)) {
    return fromArrayLike(obj.data)
  }
}

function checked (length) {
  // Note: cannot use `length < K_MAX_LENGTH` here because that fails when
  // length is NaN (which is otherwise coerced to zero.)
  if (length >= K_MAX_LENGTH) {
    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
                         'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes')
  }
  return length | 0
}

function SlowBuffer (length) {
  if (+length != length) { // eslint-disable-line eqeqeq
    length = 0
  }
  return Buffer.alloc(+length)
}

Buffer.isBuffer = function isBuffer (b) {
  return b != null && b._isBuffer === true &&
    b !== Buffer.prototype // so Buffer.isBuffer(Buffer.prototype) will be false
}

Buffer.compare = function compare (a, b) {
  if (isInstance(a, Uint8Array)) a = Buffer.from(a, a.offset, a.byteLength)
  if (isInstance(b, Uint8Array)) b = Buffer.from(b, b.offset, b.byteLength)
  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
    throw new TypeError(
      'The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array'
    )
  }

  if (a === b) return 0

  var x = a.length
  var y = b.length

  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
    if (a[i] !== b[i]) {
      x = a[i]
      y = b[i]
      break
    }
  }

  if (x < y) return -1
  if (y < x) return 1
  return 0
}

Buffer.isEncoding = function isEncoding (encoding) {
  switch (String(encoding).toLowerCase()) {
    case 'hex':
    case 'utf8':
    case 'utf-8':
    case 'ascii':
    case 'latin1':
    case 'binary':
    case 'base64':
    case 'ucs2':
    case 'ucs-2':
    case 'utf16le':
    case 'utf-16le':
      return true
    default:
      return false
  }
}

Buffer.concat = function concat (list, length) {
  if (!Array.isArray(list)) {
    throw new TypeError('"list" argument must be an Array of Buffers')
  }

  if (list.length === 0) {
    return Buffer.alloc(0)
  }

  var i
  if (length === undefined) {
    length = 0
    for (i = 0; i < list.length; ++i) {
      length += list[i].length
    }
  }

  var buffer = Buffer.allocUnsafe(length)
  var pos = 0
  for (i = 0; i < list.length; ++i) {
    var buf = list[i]
    if (isInstance(buf, Uint8Array)) {
      buf = Buffer.from(buf)
    }
    if (!Buffer.isBuffer(buf)) {
      throw new TypeError('"list" argument must be an Array of Buffers')
    }
    buf.copy(buffer, pos)
    pos += buf.length
  }
  return buffer
}

function byteLength (string, encoding) {
  if (Buffer.isBuffer(string)) {
    return string.length
  }
  if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) {
    return string.byteLength
  }
  if (typeof string !== 'string') {
    throw new TypeError(
      'The "string" argument must be one of type string, Buffer, or ArrayBuffer. ' +
      'Received type ' + typeof string
    )
  }

  var len = string.length
  var mustMatch = (arguments.length > 2 && arguments[2] === true)
  if (!mustMatch && len === 0) return 0

  // Use a for loop to avoid recursion
  var loweredCase = false
  for (;;) {
    switch (encoding) {
      case 'ascii':
      case 'latin1':
      case 'binary':
        return len
      case 'utf8':
      case 'utf-8':
        return utf8ToBytes(string).length
      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return len * 2
      case 'hex':
        return len >>> 1
      case 'base64':
        return base64ToBytes(string).length
      default:
        if (loweredCase) {
          return mustMatch ? -1 : utf8ToBytes(string).length // assume utf8
        }
        encoding = ('' + encoding).toLowerCase()
        loweredCase = true
    }
  }
}
Buffer.byteLength = byteLength

function slowToString (encoding, start, end) {
  var loweredCase = false

  // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
  // property of a typed array.

  // This behaves neither like String nor Uint8Array in that we set start/end
  // to their upper/lower bounds if the value passed is out of range.
  // undefined is handled specially as per ECMA-262 6th Edition,
  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
  if (start === undefined || start < 0) {
    start = 0
  }
  // Return early if start > this.length. Done here to prevent potential uint32
  // coercion fail below.
  if (start > this.length) {
    return ''
  }

  if (end === undefined || end > this.length) {
    end = this.length
  }

  if (end <= 0) {
    return ''
  }

  // Force coersion to uint32. This will also coerce falsey/NaN values to 0.
  end >>>= 0
  start >>>= 0

  if (end <= start) {
    return ''
  }

  if (!encoding) encoding = 'utf8'

  while (true) {
    switch (encoding) {
      case 'hex':
        return hexSlice(this, start, end)

      case 'utf8':
      case 'utf-8':
        return utf8Slice(this, start, end)

      case 'ascii':
        return asciiSlice(this, start, end)

      case 'latin1':
      case 'binary':
        return latin1Slice(this, start, end)

      case 'base64':
        return base64Slice(this, start, end)

      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return utf16leSlice(this, start, end)

      default:
        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
        encoding = (encoding + '').toLowerCase()
        loweredCase = true
    }
  }
}

// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package)
// to detect a Buffer instance. It's not possible to use `instanceof Buffer`
// reliably in a browserify context because there could be multiple different
// copies of the 'buffer' package in use. This method works even for Buffer
// instances that were created from another copy of the `buffer` package.
// See: https://github.com/feross/buffer/issues/154
Buffer.prototype._isBuffer = true

function swap (b, n, m) {
  var i = b[n]
  b[n] = b[m]
  b[m] = i
}

Buffer.prototype.swap16 = function swap16 () {
  var len = this.length
  if (len % 2 !== 0) {
    throw new RangeError('Buffer size must be a multiple of 16-bits')
  }
  for (var i = 0; i < len; i += 2) {
    swap(this, i, i + 1)
  }
  return this
}

Buffer.prototype.swap32 = function swap32 () {
  var len = this.length
  if (len % 4 !== 0) {
    throw new RangeError('Buffer size must be a multiple of 32-bits')
  }
  for (var i = 0; i < len; i += 4) {
    swap(this, i, i + 3)
    swap(this, i + 1, i + 2)
  }
  return this
}

Buffer.prototype.swap64 = function swap64 () {
  var len = this.length
  if (len % 8 !== 0) {
    throw new RangeError('Buffer size must be a multiple of 64-bits')
  }
  for (var i = 0; i < len; i += 8) {
    swap(this, i, i + 7)
    swap(this, i + 1, i + 6)
    swap(this, i + 2, i + 5)
    swap(this, i + 3, i + 4)
  }
  return this
}

Buffer.prototype.toString = function toString () {
  var length = this.length
  if (length === 0) return ''
  if (arguments.length === 0) return utf8Slice(this, 0, length)
  return slowToString.apply(this, arguments)
}

Buffer.prototype.toLocaleString = Buffer.prototype.toString

Buffer.prototype.equals = function equals (b) {
  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
  if (this === b) return true
  return Buffer.compare(this, b) === 0
}

Buffer.prototype.inspect = function inspect () {
  var str = ''
  var max = exports.INSPECT_MAX_BYTES
  str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim()
  if (this.length > max) str += ' ... '
  return '<Buffer ' + str + '>'
}

Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
  if (isInstance(target, Uint8Array)) {
    target = Buffer.from(target, target.offset, target.byteLength)
  }
  if (!Buffer.isBuffer(target)) {
    throw new TypeError(
      'The "target" argument must be one of type Buffer or Uint8Array. ' +
      'Received type ' + (typeof target)
    )
  }

  if (start === undefined) {
    start = 0
  }
  if (end === undefined) {
    end = target ? target.length : 0
  }
  if (thisStart === undefined) {
    thisStart = 0
  }
  if (thisEnd === undefined) {
    thisEnd = this.length
  }

  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
    throw new RangeError('out of range index')
  }

  if (thisStart >= thisEnd && start >= end) {
    return 0
  }
  if (thisStart >= thisEnd) {
    return -1
  }
  if (start >= end) {
    return 1
  }

  start >>>= 0
  end >>>= 0
  thisStart >>>= 0
  thisEnd >>>= 0

  if (this === target) return 0

  var x = thisEnd - thisStart
  var y = end - start
  var len = Math.min(x, y)

  var thisCopy = this.slice(thisStart, thisEnd)
  var targetCopy = target.slice(start, end)

  for (var i = 0; i < len; ++i) {
    if (thisCopy[i] !== targetCopy[i]) {
      x = thisCopy[i]
      y = targetCopy[i]
      break
    }
  }

  if (x < y) return -1
  if (y < x) return 1
  return 0
}

// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
//
// Arguments:
// - buffer - a Buffer to search
// - val - a string, Buffer, or number
// - byteOffset - an index into `buffer`; will be clamped to an int32
// - encoding - an optional encoding, relevant is val is a string
// - dir - true for indexOf, false for lastIndexOf
function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
  // Empty buffer means no match
  if (buffer.length === 0) return -1

  // Normalize byteOffset
  if (typeof byteOffset === 'string') {
    encoding = byteOffset
    byteOffset = 0
  } else if (byteOffset > 0x7fffffff) {
    byteOffset = 0x7fffffff
  } else if (byteOffset < -0x80000000) {
    byteOffset = -0x80000000
  }
  byteOffset = +byteOffset // Coerce to Number.
  if (numberIsNaN(byteOffset)) {
    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
    byteOffset = dir ? 0 : (buffer.length - 1)
  }

  // Normalize byteOffset: negative offsets start from the end of the buffer
  if (byteOffset < 0) byteOffset = buffer.length + byteOffset
  if (byteOffset >= buffer.length) {
    if (dir) return -1
    else byteOffset = buffer.length - 1
  } else if (byteOffset < 0) {
    if (dir) byteOffset = 0
    else return -1
  }

  // Normalize val
  if (typeof val === 'string') {
    val = Buffer.from(val, encoding)
  }

  // Finally, search either indexOf (if dir is true) or lastIndexOf
  if (Buffer.isBuffer(val)) {
    // Special case: looking for empty string/buffer always fails
    if (val.length === 0) {
      return -1
    }
    return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
  } else if (typeof val === 'number') {
    val = val & 0xFF // Search for a byte value [0-255]
    if (typeof Uint8Array.prototype.indexOf === 'function') {
      if (dir) {
        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
      } else {
        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
      }
    }
    return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)
  }

  throw new TypeError('val must be string, number or Buffer')
}

function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
  var indexSize = 1
  var arrLength = arr.length
  var valLength = val.length

  if (encoding !== undefined) {
    encoding = String(encoding).toLowerCase()
    if (encoding === 'ucs2' || encoding === 'ucs-2' ||
        encoding === 'utf16le' || encoding === 'utf-16le') {
      if (arr.length < 2 || val.length < 2) {
        return -1
      }
      indexSize = 2
      arrLength /= 2
      valLength /= 2
      byteOffset /= 2
    }
  }

  function read (buf, i) {
    if (indexSize === 1) {
      return buf[i]
    } else {
      return buf.readUInt16BE(i * indexSize)
    }
  }

  var i
  if (dir) {
    var foundIndex = -1
    for (i = byteOffset; i < arrLength; i++) {
      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
        if (foundIndex === -1) foundIndex = i
        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
      } else {
        if (foundIndex !== -1) i -= i - foundIndex
        foundIndex = -1
      }
    }
  } else {
    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength
    for (i = byteOffset; i >= 0; i--) {
      var found = true
      for (var j = 0; j < valLength; j++) {
        if (read(arr, i + j) !== read(val, j)) {
          found = false
          break
        }
      }
      if (found) return i
    }
  }

  return -1
}

Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
  return this.indexOf(val, byteOffset, encoding) !== -1
}

Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
}

Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
}

function hexWrite (buf, string, offset, length) {
  offset = Number(offset) || 0
  var remaining = buf.length - offset
  if (!length) {
    length = remaining
  } else {
    length = Number(length)
    if (length > remaining) {
      length = remaining
    }
  }

  var strLen = string.length

  if (length > strLen / 2) {
    length = strLen / 2
  }
  for (var i = 0; i < length; ++i) {
    var parsed = parseInt(string.substr(i * 2, 2), 16)
    if (numberIsNaN(parsed)) return i
    buf[offset + i] = parsed
  }
  return i
}

function utf8Write (buf, string, offset, length) {
  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
}

function asciiWrite (buf, string, offset, length) {
  return blitBuffer(asciiToBytes(string), buf, offset, length)
}

function latin1Write (buf, string, offset, length) {
  return asciiWrite(buf, string, offset, length)
}

function base64Write (buf, string, offset, length) {
  return blitBuffer(base64ToBytes(string), buf, offset, length)
}

function ucs2Write (buf, string, offset, length) {
  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
}

Buffer.prototype.write = function write (string, offset, length, encoding) {
  // Buffer#write(string)
  if (offset === undefined) {
    encoding = 'utf8'
    length = this.length
    offset = 0
  // Buffer#write(string, encoding)
  } else if (length === undefined && typeof offset === 'string') {
    encoding = offset
    length = this.length
    offset = 0
  // Buffer#write(string, offset[, length][, encoding])
  } else if (isFinite(offset)) {
    offset = offset >>> 0
    if (isFinite(length)) {
      length = length >>> 0
      if (encoding === undefined) encoding = 'utf8'
    } else {
      encoding = length
      length = undefined
    }
  } else {
    throw new Error(
      'Buffer.write(string, encoding, offset[, length]) is no longer supported'
    )
  }

  var remaining = this.length - offset
  if (length === undefined || length > remaining) length = remaining

  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
    throw new RangeError('Attempt to write outside buffer bounds')
  }

  if (!encoding) encoding = 'utf8'

  var loweredCase = false
  for (;;) {
    switch (encoding) {
      case 'hex':
        return hexWrite(this, string, offset, length)

      case 'utf8':
      case 'utf-8':
        return utf8Write(this, string, offset, length)

      case 'ascii':
        return asciiWrite(this, string, offset, length)

      case 'latin1':
      case 'binary':
        return latin1Write(this, string, offset, length)

      case 'base64':
        // Warning: maxLength not taken into account in base64Write
        return base64Write(this, string, offset, length)

      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return ucs2Write(this, string, offset, length)

      default:
        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
        encoding = ('' + encoding).toLowerCase()
        loweredCase = true
    }
  }
}

Buffer.prototype.toJSON = function toJSON () {
  return {
    type: 'Buffer',
    data: Array.prototype.slice.call(this._arr || this, 0)
  }
}

function base64Slice (buf, start, end) {
  if (start === 0 && end === buf.length) {
    return base64.fromByteArray(buf)
  } else {
    return base64.fromByteArray(buf.slice(start, end))
  }
}

function utf8Slice (buf, start, end) {
  end = Math.min(buf.length, end)
  var res = []

  var i = start
  while (i < end) {
    var firstByte = buf[i]
    var codePoint = null
    var bytesPerSequence = (firstByte > 0xEF) ? 4
      : (firstByte > 0xDF) ? 3
        : (firstByte > 0xBF) ? 2
          : 1

    if (i + bytesPerSequence <= end) {
      var secondByte, thirdByte, fourthByte, tempCodePoint

      switch (bytesPerSequence) {
        case 1:
          if (firstByte < 0x80) {
            codePoint = firstByte
          }
          break
        case 2:
          secondByte = buf[i + 1]
          if ((secondByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
            if (tempCodePoint > 0x7F) {
              codePoint = tempCodePoint
            }
          }
          break
        case 3:
          secondByte = buf[i + 1]
          thirdByte = buf[i + 2]
          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
              codePoint = tempCodePoint
            }
          }
          break
        case 4:
          secondByte = buf[i + 1]
          thirdByte = buf[i + 2]
          fourthByte = buf[i + 3]
          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
              codePoint = tempCodePoint
            }
          }
      }
    }

    if (codePoint === null) {
      // we did not generate a valid codePoint so insert a
      // replacement char (U+FFFD) and advance only 1 byte
      codePoint = 0xFFFD
      bytesPerSequence = 1
    } else if (codePoint > 0xFFFF) {
      // encode to utf16 (surrogate pair dance)
      codePoint -= 0x10000
      res.push(codePoint >>> 10 & 0x3FF | 0xD800)
      codePoint = 0xDC00 | codePoint & 0x3FF
    }

    res.push(codePoint)
    i += bytesPerSequence
  }

  return decodeCodePointsArray(res)
}

// Based on http://stackoverflow.com/a/22747272/680742, the browser with
// the lowest limit is Chrome, with 0x10000 args.
// We go 1 magnitude less, for safety
var MAX_ARGUMENTS_LENGTH = 0x1000

function decodeCodePointsArray (codePoints) {
  var len = codePoints.length
  if (len <= MAX_ARGUMENTS_LENGTH) {
    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
  }

  // Decode in chunks to avoid "call stack size exceeded".
  var res = ''
  var i = 0
  while (i < len) {
    res += String.fromCharCode.apply(
      String,
      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
    )
  }
  return res
}

function asciiSlice (buf, start, end) {
  var ret = ''
  end = Math.min(buf.length, end)

  for (var i = start; i < end; ++i) {
    ret += String.fromCharCode(buf[i] & 0x7F)
  }
  return ret
}

function latin1Slice (buf, start, end) {
  var ret = ''
  end = Math.min(buf.length, end)

  for (var i = start; i < end; ++i) {
    ret += String.fromCharCode(buf[i])
  }
  return ret
}

function hexSlice (buf, start, end) {
  var len = buf.length

  if (!start || start < 0) start = 0
  if (!end || end < 0 || end > len) end = len

  var out = ''
  for (var i = start; i < end; ++i) {
    out += toHex(buf[i])
  }
  return out
}

function utf16leSlice (buf, start, end) {
  var bytes = buf.slice(start, end)
  var res = ''
  for (var i = 0; i < bytes.length; i += 2) {
    res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256))
  }
  return res
}

Buffer.prototype.slice = function slice (start, end) {
  var len = this.length
  start = ~~start
  end = end === undefined ? len : ~~end

  if (start < 0) {
    start += len
    if (start < 0) start = 0
  } else if (start > len) {
    start = len
  }

  if (end < 0) {
    end += len
    if (end < 0) end = 0
  } else if (end > len) {
    end = len
  }

  if (end < start) end = start

  var newBuf = this.subarray(start, end)
  // Return an augmented `Uint8Array` instance
  newBuf.__proto__ = Buffer.prototype
  return newBuf
}

/*
 * Need to make sure that buffer isn't trying to write out of bounds.
 */
function checkOffset (offset, ext, length) {
  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
}

Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

  var val = this[offset]
  var mul = 1
  var i = 0
  while (++i < byteLength && (mul *= 0x100)) {
    val += this[offset + i] * mul
  }

  return val
}

Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) {
    checkOffset(offset, byteLength, this.length)
  }

  var val = this[offset + --byteLength]
  var mul = 1
  while (byteLength > 0 && (mul *= 0x100)) {
    val += this[offset + --byteLength] * mul
  }

  return val
}

Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 1, this.length)
  return this[offset]
}

Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 2, this.length)
  return this[offset] | (this[offset + 1] << 8)
}

Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 2, this.length)
  return (this[offset] << 8) | this[offset + 1]
}

Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)

  return ((this[offset]) |
      (this[offset + 1] << 8) |
      (this[offset + 2] << 16)) +
      (this[offset + 3] * 0x1000000)
}

Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)

  return (this[offset] * 0x1000000) +
    ((this[offset + 1] << 16) |
    (this[offset + 2] << 8) |
    this[offset + 3])
}

Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

  var val = this[offset]
  var mul = 1
  var i = 0
  while (++i < byteLength && (mul *= 0x100)) {
    val += this[offset + i] * mul
  }
  mul *= 0x80

  if (val >= mul) val -= Math.pow(2, 8 * byteLength)

  return val
}

Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

  var i = byteLength
  var mul = 1
  var val = this[offset + --i]
  while (i > 0 && (mul *= 0x100)) {
    val += this[offset + --i] * mul
  }
  mul *= 0x80

  if (val >= mul) val -= Math.pow(2, 8 * byteLength)

  return val
}

Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 1, this.length)
  if (!(this[offset] & 0x80)) return (this[offset])
  return ((0xff - this[offset] + 1) * -1)
}

Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 2, this.length)
  var val = this[offset] | (this[offset + 1] << 8)
  return (val & 0x8000) ? val | 0xFFFF0000 : val
}

Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 2, this.length)
  var val = this[offset + 1] | (this[offset] << 8)
  return (val & 0x8000) ? val | 0xFFFF0000 : val
}

Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)

  return (this[offset]) |
    (this[offset + 1] << 8) |
    (this[offset + 2] << 16) |
    (this[offset + 3] << 24)
}

Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)

  return (this[offset] << 24) |
    (this[offset + 1] << 16) |
    (this[offset + 2] << 8) |
    (this[offset + 3])
}

Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)
  return ieee754.read(this, offset, true, 23, 4)
}

Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)
  return ieee754.read(this, offset, false, 23, 4)
}

Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 8, this.length)
  return ieee754.read(this, offset, true, 52, 8)
}

Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 8, this.length)
  return ieee754.read(this, offset, false, 52, 8)
}

function checkInt (buf, value, offset, ext, max, min) {
  if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
  if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
  if (offset + ext > buf.length) throw new RangeError('Index out of range')
}

Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) {
    var maxBytes = Math.pow(2, 8 * byteLength) - 1
    checkInt(this, value, offset, byteLength, maxBytes, 0)
  }

  var mul = 1
  var i = 0
  this[offset] = value & 0xFF
  while (++i < byteLength && (mul *= 0x100)) {
    this[offset + i] = (value / mul) & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) {
    var maxBytes = Math.pow(2, 8 * byteLength) - 1
    checkInt(this, value, offset, byteLength, maxBytes, 0)
  }

  var i = byteLength - 1
  var mul = 1
  this[offset + i] = value & 0xFF
  while (--i >= 0 && (mul *= 0x100)) {
    this[offset + i] = (value / mul) & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
  this[offset] = (value & 0xff)
  return offset + 1
}

Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
  this[offset] = (value & 0xff)
  this[offset + 1] = (value >>> 8)
  return offset + 2
}

Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
  this[offset] = (value >>> 8)
  this[offset + 1] = (value & 0xff)
  return offset + 2
}

Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
  this[offset + 3] = (value >>> 24)
  this[offset + 2] = (value >>> 16)
  this[offset + 1] = (value >>> 8)
  this[offset] = (value & 0xff)
  return offset + 4
}

Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
  this[offset] = (value >>> 24)
  this[offset + 1] = (value >>> 16)
  this[offset + 2] = (value >>> 8)
  this[offset + 3] = (value & 0xff)
  return offset + 4
}

Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) {
    var limit = Math.pow(2, (8 * byteLength) - 1)

    checkInt(this, value, offset, byteLength, limit - 1, -limit)
  }

  var i = 0
  var mul = 1
  var sub = 0
  this[offset] = value & 0xFF
  while (++i < byteLength && (mul *= 0x100)) {
    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
      sub = 1
    }
    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) {
    var limit = Math.pow(2, (8 * byteLength) - 1)

    checkInt(this, value, offset, byteLength, limit - 1, -limit)
  }

  var i = byteLength - 1
  var mul = 1
  var sub = 0
  this[offset + i] = value & 0xFF
  while (--i >= 0 && (mul *= 0x100)) {
    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
      sub = 1
    }
    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
  if (value < 0) value = 0xff + value + 1
  this[offset] = (value & 0xff)
  return offset + 1
}

Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
  this[offset] = (value & 0xff)
  this[offset + 1] = (value >>> 8)
  return offset + 2
}

Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
  this[offset] = (value >>> 8)
  this[offset + 1] = (value & 0xff)
  return offset + 2
}

Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
  this[offset] = (value & 0xff)
  this[offset + 1] = (value >>> 8)
  this[offset + 2] = (value >>> 16)
  this[offset + 3] = (value >>> 24)
  return offset + 4
}

Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
  if (value < 0) value = 0xffffffff + value + 1
  this[offset] = (value >>> 24)
  this[offset + 1] = (value >>> 16)
  this[offset + 2] = (value >>> 8)
  this[offset + 3] = (value & 0xff)
  return offset + 4
}

function checkIEEE754 (buf, value, offset, ext, max, min) {
  if (offset + ext > buf.length) throw new RangeError('Index out of range')
  if (offset < 0) throw new RangeError('Index out of range')
}

function writeFloat (buf, value, offset, littleEndian, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) {
    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
  }
  ieee754.write(buf, value, offset, littleEndian, 23, 4)
  return offset + 4
}

Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
  return writeFloat(this, value, offset, true, noAssert)
}

Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
  return writeFloat(this, value, offset, false, noAssert)
}

function writeDouble (buf, value, offset, littleEndian, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) {
    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
  }
  ieee754.write(buf, value, offset, littleEndian, 52, 8)
  return offset + 8
}

Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
  return writeDouble(this, value, offset, true, noAssert)
}

Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
  return writeDouble(this, value, offset, false, noAssert)
}

// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
Buffer.prototype.copy = function copy (target, targetStart, start, end) {
  if (!Buffer.isBuffer(target)) throw new TypeError('argument should be a Buffer')
  if (!start) start = 0
  if (!end && end !== 0) end = this.length
  if (targetStart >= target.length) targetStart = target.length
  if (!targetStart) targetStart = 0
  if (end > 0 && end < start) end = start

  // Copy 0 bytes; we're done
  if (end === start) return 0
  if (target.length === 0 || this.length === 0) return 0

  // Fatal error conditions
  if (targetStart < 0) {
    throw new RangeError('targetStart out of bounds')
  }
  if (start < 0 || start >= this.length) throw new RangeError('Index out of range')
  if (end < 0) throw new RangeError('sourceEnd out of bounds')

  // Are we oob?
  if (end > this.length) end = this.length
  if (target.length - targetStart < end - start) {
    end = target.length - targetStart + start
  }

  var len = end - start

  if (this === target && typeof Uint8Array.prototype.copyWithin === 'function') {
    // Use built-in when available, missing from IE11
    this.copyWithin(targetStart, start, end)
  } else if (this === target && start < targetStart && targetStart < end) {
    // descending copy from end
    for (var i = len - 1; i >= 0; --i) {
      target[i + targetStart] = this[i + start]
    }
  } else {
    Uint8Array.prototype.set.call(
      target,
      this.subarray(start, end),
      targetStart
    )
  }

  return len
}

// Usage:
//    buffer.fill(number[, offset[, end]])
//    buffer.fill(buffer[, offset[, end]])
//    buffer.fill(string[, offset[, end]][, encoding])
Buffer.prototype.fill = function fill (val, start, end, encoding) {
  // Handle string cases:
  if (typeof val === 'string') {
    if (typeof start === 'string') {
      encoding = start
      start = 0
      end = this.length
    } else if (typeof end === 'string') {
      encoding = end
      end = this.length
    }
    if (encoding !== undefined && typeof encoding !== 'string') {
      throw new TypeError('encoding must be a string')
    }
    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
      throw new TypeError('Unknown encoding: ' + encoding)
    }
    if (val.length === 1) {
      var code = val.charCodeAt(0)
      if ((encoding === 'utf8' && code < 128) ||
          encoding === 'latin1') {
        // Fast path: If `val` fits into a single byte, use that numeric value.
        val = code
      }
    }
  } else if (typeof val === 'number') {
    val = val & 255
  }

  // Invalid ranges are not set to a default, so can range check early.
  if (start < 0 || this.length < start || this.length < end) {
    throw new RangeError('Out of range index')
  }

  if (end <= start) {
    return this
  }

  start = start >>> 0
  end = end === undefined ? this.length : end >>> 0

  if (!val) val = 0

  var i
  if (typeof val === 'number') {
    for (i = start; i < end; ++i) {
      this[i] = val
    }
  } else {
    var bytes = Buffer.isBuffer(val)
      ? val
      : Buffer.from(val, encoding)
    var len = bytes.length
    if (len === 0) {
      throw new TypeError('The value "' + val +
        '" is invalid for argument "value"')
    }
    for (i = 0; i < end - start; ++i) {
      this[i + start] = bytes[i % len]
    }
  }

  return this
}

// HELPER FUNCTIONS
// ================

var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g

function base64clean (str) {
  // Node takes equal signs as end of the Base64 encoding
  str = str.split('=')[0]
  // Node strips out invalid characters like \n and \t from the string, base64-js does not
  str = str.trim().replace(INVALID_BASE64_RE, '')
  // Node converts strings with length < 2 to ''
  if (str.length < 2) return ''
  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
  while (str.length % 4 !== 0) {
    str = str + '='
  }
  return str
}

function toHex (n) {
  if (n < 16) return '0' + n.toString(16)
  return n.toString(16)
}

function utf8ToBytes (string, units) {
  units = units || Infinity
  var codePoint
  var length = string.length
  var leadSurrogate = null
  var bytes = []

  for (var i = 0; i < length; ++i) {
    codePoint = string.charCodeAt(i)

    // is surrogate component
    if (codePoint > 0xD7FF && codePoint < 0xE000) {
      // last char was a lead
      if (!leadSurrogate) {
        // no lead yet
        if (codePoint > 0xDBFF) {
          // unexpected trail
          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
          continue
        } else if (i + 1 === length) {
          // unpaired lead
          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
          continue
        }

        // valid lead
        leadSurrogate = codePoint

        continue
      }

      // 2 leads in a row
      if (codePoint < 0xDC00) {
        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
        leadSurrogate = codePoint
        continue
      }

      // valid surrogate pair
      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
    } else if (leadSurrogate) {
      // valid bmp char, but last char was a lead
      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
    }

    leadSurrogate = null

    // encode utf8
    if (codePoint < 0x80) {
      if ((units -= 1) < 0) break
      bytes.push(codePoint)
    } else if (codePoint < 0x800) {
      if ((units -= 2) < 0) break
      bytes.push(
        codePoint >> 0x6 | 0xC0,
        codePoint & 0x3F | 0x80
      )
    } else if (codePoint < 0x10000) {
      if ((units -= 3) < 0) break
      bytes.push(
        codePoint >> 0xC | 0xE0,
        codePoint >> 0x6 & 0x3F | 0x80,
        codePoint & 0x3F | 0x80
      )
    } else if (codePoint < 0x110000) {
      if ((units -= 4) < 0) break
      bytes.push(
        codePoint >> 0x12 | 0xF0,
        codePoint >> 0xC & 0x3F | 0x80,
        codePoint >> 0x6 & 0x3F | 0x80,
        codePoint & 0x3F | 0x80
      )
    } else {
      throw new Error('Invalid code point')
    }
  }

  return bytes
}

function asciiToBytes (str) {
  var byteArray = []
  for (var i = 0; i < str.length; ++i) {
    // Node's code seems to be doing this and not & 0x7F..
    byteArray.push(str.charCodeAt(i) & 0xFF)
  }
  return byteArray
}

function utf16leToBytes (str, units) {
  var c, hi, lo
  var byteArray = []
  for (var i = 0; i < str.length; ++i) {
    if ((units -= 2) < 0) break

    c = str.charCodeAt(i)
    hi = c >> 8
    lo = c % 256
    byteArray.push(lo)
    byteArray.push(hi)
  }

  return byteArray
}

function base64ToBytes (str) {
  return base64.toByteArray(base64clean(str))
}

function blitBuffer (src, dst, offset, length) {
  for (var i = 0; i < length; ++i) {
    if ((i + offset >= dst.length) || (i >= src.length)) break
    dst[i + offset] = src[i]
  }
  return i
}

// ArrayBuffer or Uint8Array objects from other contexts (i.e. iframes) do not pass
// the `instanceof` check but they should be treated as of that type.
// See: https://github.com/feross/buffer/issues/166
function isInstance (obj, type) {
  return obj instanceof type ||
    (obj != null && obj.constructor != null && obj.constructor.name != null &&
      obj.constructor.name === type.name)
}
function numberIsNaN (obj) {
  // For IE11 support
  return obj !== obj // eslint-disable-line no-self-compare
}

}).call(this)}).call(this,require("buffer").Buffer)
},{"base64-js":1,"buffer":3,"ieee754":30}],4:[function(require,module,exports){
'use strict';

var isMergeableObject = function isMergeableObject(value) {
	return isNonNullObject(value)
		&& !isSpecial(value)
};

function isNonNullObject(value) {
	return !!value && typeof value === 'object'
}

function isSpecial(value) {
	var stringValue = Object.prototype.toString.call(value);

	return stringValue === '[object RegExp]'
		|| stringValue === '[object Date]'
		|| isReactElement(value)
}

// see https://github.com/facebook/react/blob/b5ac963fb791d1298e7f396236383bc955f916c1/src/isomorphic/classic/element/ReactElement.js#L21-L25
var canUseSymbol = typeof Symbol === 'function' && Symbol.for;
var REACT_ELEMENT_TYPE = canUseSymbol ? Symbol.for('react.element') : 0xeac7;

function isReactElement(value) {
	return value.$$typeof === REACT_ELEMENT_TYPE
}

function emptyTarget(val) {
	return Array.isArray(val) ? [] : {}
}

function cloneUnlessOtherwiseSpecified(value, options) {
	return (options.clone !== false && options.isMergeableObject(value))
		? deepmerge(emptyTarget(value), value, options)
		: value
}

function defaultArrayMerge(target, source, options) {
	return target.concat(source).map(function(element) {
		return cloneUnlessOtherwiseSpecified(element, options)
	})
}

function getMergeFunction(key, options) {
	if (!options.customMerge) {
		return deepmerge
	}
	var customMerge = options.customMerge(key);
	return typeof customMerge === 'function' ? customMerge : deepmerge
}

function getEnumerableOwnPropertySymbols(target) {
	return Object.getOwnPropertySymbols
		? Object.getOwnPropertySymbols(target).filter(function(symbol) {
			return Object.propertyIsEnumerable.call(target, symbol)
		})
		: []
}

function getKeys(target) {
	return Object.keys(target).concat(getEnumerableOwnPropertySymbols(target))
}

function propertyIsOnObject(object, property) {
	try {
		return property in object
	} catch(_) {
		return false
	}
}

// Protects from prototype poisoning and unexpected merging up the prototype chain.
function propertyIsUnsafe(target, key) {
	return propertyIsOnObject(target, key) // Properties are safe to merge if they don't exist in the target yet,
		&& !(Object.hasOwnProperty.call(target, key) // unsafe if they exist up the prototype chain,
			&& Object.propertyIsEnumerable.call(target, key)) // and also unsafe if they're nonenumerable.
}

function mergeObject(target, source, options) {
	var destination = {};
	if (options.isMergeableObject(target)) {
		getKeys(target).forEach(function(key) {
			destination[key] = cloneUnlessOtherwiseSpecified(target[key], options);
		});
	}
	getKeys(source).forEach(function(key) {
		if (propertyIsUnsafe(target, key)) {
			return
		}

		if (propertyIsOnObject(target, key) && options.isMergeableObject(source[key])) {
			destination[key] = getMergeFunction(key, options)(target[key], source[key], options);
		} else {
			destination[key] = cloneUnlessOtherwiseSpecified(source[key], options);
		}
	});
	return destination
}

function deepmerge(target, source, options) {
	options = options || {};
	options.arrayMerge = options.arrayMerge || defaultArrayMerge;
	options.isMergeableObject = options.isMergeableObject || isMergeableObject;
	// cloneUnlessOtherwiseSpecified is added to `options` so that custom arrayMerge()
	// implementations can use it. The caller may not replace it.
	options.cloneUnlessOtherwiseSpecified = cloneUnlessOtherwiseSpecified;

	var sourceIsArray = Array.isArray(source);
	var targetIsArray = Array.isArray(target);
	var sourceAndTargetTypesMatch = sourceIsArray === targetIsArray;

	if (!sourceAndTargetTypesMatch) {
		return cloneUnlessOtherwiseSpecified(source, options)
	} else if (sourceIsArray) {
		return options.arrayMerge(target, source, options)
	} else {
		return mergeObject(target, source, options)
	}
}

deepmerge.all = function deepmergeAll(array, options) {
	if (!Array.isArray(array)) {
		throw new Error('first argument should be an array')
	}

	return array.reduce(function(prev, next) {
		return deepmerge(prev, next, options)
	}, {})
};

var deepmerge_1 = deepmerge;

module.exports = deepmerge_1;

},{}],5:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.attributeNames = exports.elementNames = void 0;
exports.elementNames = new Map([
    "altGlyph",
    "altGlyphDef",
    "altGlyphItem",
    "animateColor",
    "animateMotion",
    "animateTransform",
    "clipPath",
    "feBlend",
    "feColorMatrix",
    "feComponentTransfer",
    "feComposite",
    "feConvolveMatrix",
    "feDiffuseLighting",
    "feDisplacementMap",
    "feDistantLight",
    "feDropShadow",
    "feFlood",
    "feFuncA",
    "feFuncB",
    "feFuncG",
    "feFuncR",
    "feGaussianBlur",
    "feImage",
    "feMerge",
    "feMergeNode",
    "feMorphology",
    "feOffset",
    "fePointLight",
    "feSpecularLighting",
    "feSpotLight",
    "feTile",
    "feTurbulence",
    "foreignObject",
    "glyphRef",
    "linearGradient",
    "radialGradient",
    "textPath",
].map(function (val) { return [val.toLowerCase(), val]; }));
exports.attributeNames = new Map([
    "definitionURL",
    "attributeName",
    "attributeType",
    "baseFrequency",
    "baseProfile",
    "calcMode",
    "clipPathUnits",
    "diffuseConstant",
    "edgeMode",
    "filterUnits",
    "glyphRef",
    "gradientTransform",
    "gradientUnits",
    "kernelMatrix",
    "kernelUnitLength",
    "keyPoints",
    "keySplines",
    "keyTimes",
    "lengthAdjust",
    "limitingConeAngle",
    "markerHeight",
    "markerUnits",
    "markerWidth",
    "maskContentUnits",
    "maskUnits",
    "numOctaves",
    "pathLength",
    "patternContentUnits",
    "patternTransform",
    "patternUnits",
    "pointsAtX",
    "pointsAtY",
    "pointsAtZ",
    "preserveAlpha",
    "preserveAspectRatio",
    "primitiveUnits",
    "refX",
    "refY",
    "repeatCount",
    "repeatDur",
    "requiredExtensions",
    "requiredFeatures",
    "specularConstant",
    "specularExponent",
    "spreadMethod",
    "startOffset",
    "stdDeviation",
    "stitchTiles",
    "surfaceScale",
    "systemLanguage",
    "tableValues",
    "targetX",
    "targetY",
    "textLength",
    "viewBox",
    "viewTarget",
    "xChannelSelector",
    "yChannelSelector",
    "zoomAndPan",
].map(function (val) { return [val.toLowerCase(), val]; }));

},{}],6:[function(require,module,exports){
"use strict";
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.render = void 0;
/*
 * Module dependencies
 */
var ElementType = __importStar(require("domelementtype"));
var entities_1 = require("entities");
/**
 * Mixed-case SVG and MathML tags & attributes
 * recognized by the HTML parser.
 *
 * @see https://html.spec.whatwg.org/multipage/parsing.html#parsing-main-inforeign
 */
var foreignNames_js_1 = require("./foreignNames.js");
var unencodedElements = new Set([
    "style",
    "script",
    "xmp",
    "iframe",
    "noembed",
    "noframes",
    "plaintext",
    "noscript",
]);
function replaceQuotes(value) {
    return value.replace(/"/g, "&quot;");
}
/**
 * Format attributes
 */
function formatAttributes(attributes, opts) {
    var _a;
    if (!attributes)
        return;
    var encode = ((_a = opts.encodeEntities) !== null && _a !== void 0 ? _a : opts.decodeEntities) === false
        ? replaceQuotes
        : opts.xmlMode || opts.encodeEntities !== "utf8"
            ? entities_1.encodeXML
            : entities_1.escapeAttribute;
    return Object.keys(attributes)
        .map(function (key) {
        var _a, _b;
        var value = (_a = attributes[key]) !== null && _a !== void 0 ? _a : "";
        if (opts.xmlMode === "foreign") {
            /* Fix up mixed-case attribute names */
            key = (_b = foreignNames_js_1.attributeNames.get(key)) !== null && _b !== void 0 ? _b : key;
        }
        if (!opts.emptyAttrs && !opts.xmlMode && value === "") {
            return key;
        }
        return "".concat(key, "=\"").concat(encode(value), "\"");
    })
        .join(" ");
}
/**
 * Self-enclosing tags
 */
var singleTag = new Set([
    "area",
    "base",
    "basefont",
    "br",
    "col",
    "command",
    "embed",
    "frame",
    "hr",
    "img",
    "input",
    "isindex",
    "keygen",
    "link",
    "meta",
    "param",
    "source",
    "track",
    "wbr",
]);
/**
 * Renders a DOM node or an array of DOM nodes to a string.
 *
 * Can be thought of as the equivalent of the `outerHTML` of the passed node(s).
 *
 * @param node Node to be rendered.
 * @param options Changes serialization behavior
 */
function render(node, options) {
    if (options === void 0) { options = {}; }
    var nodes = "length" in node ? node : [node];
    var output = "";
    for (var i = 0; i < nodes.length; i++) {
        output += renderNode(nodes[i], options);
    }
    return output;
}
exports.render = render;
exports.default = render;
function renderNode(node, options) {
    switch (node.type) {
        case ElementType.Root:
            return render(node.children, options);
        // @ts-expect-error We don't use `Doctype` yet
        case ElementType.Doctype:
        case ElementType.Directive:
            return renderDirective(node);
        case ElementType.Comment:
            return renderComment(node);
        case ElementType.CDATA:
            return renderCdata(node);
        case ElementType.Script:
        case ElementType.Style:
        case ElementType.Tag:
            return renderTag(node, options);
        case ElementType.Text:
            return renderText(node, options);
    }
}
var foreignModeIntegrationPoints = new Set([
    "mi",
    "mo",
    "mn",
    "ms",
    "mtext",
    "annotation-xml",
    "foreignObject",
    "desc",
    "title",
]);
var foreignElements = new Set(["svg", "math"]);
function renderTag(elem, opts) {
    var _a;
    // Handle SVG / MathML in HTML
    if (opts.xmlMode === "foreign") {
        /* Fix up mixed-case element names */
        elem.name = (_a = foreignNames_js_1.elementNames.get(elem.name)) !== null && _a !== void 0 ? _a : elem.name;
        /* Exit foreign mode at integration points */
        if (elem.parent &&
            foreignModeIntegrationPoints.has(elem.parent.name)) {
            opts = __assign(__assign({}, opts), { xmlMode: false });
        }
    }
    if (!opts.xmlMode && foreignElements.has(elem.name)) {
        opts = __assign(__assign({}, opts), { xmlMode: "foreign" });
    }
    var tag = "<".concat(elem.name);
    var attribs = formatAttributes(elem.attribs, opts);
    if (attribs) {
        tag += " ".concat(attribs);
    }
    if (elem.children.length === 0 &&
        (opts.xmlMode
            ? // In XML mode or foreign mode, and user hasn't explicitly turned off self-closing tags
                opts.selfClosingTags !== false
            : // User explicitly asked for self-closing tags, even in HTML mode
                opts.selfClosingTags && singleTag.has(elem.name))) {
        if (!opts.xmlMode)
            tag += " ";
        tag += "/>";
    }
    else {
        tag += ">";
        if (elem.children.length > 0) {
            tag += render(elem.children, opts);
        }
        if (opts.xmlMode || !singleTag.has(elem.name)) {
            tag += "</".concat(elem.name, ">");
        }
    }
    return tag;
}
function renderDirective(elem) {
    return "<".concat(elem.data, ">");
}
function renderText(elem, opts) {
    var _a;
    var data = elem.data || "";
    // If entities weren't decoded, no need to encode them back
    if (((_a = opts.encodeEntities) !== null && _a !== void 0 ? _a : opts.decodeEntities) !== false &&
        !(!opts.xmlMode &&
            elem.parent &&
            unencodedElements.has(elem.parent.name))) {
        data =
            opts.xmlMode || opts.encodeEntities !== "utf8"
                ? (0, entities_1.encodeXML)(data)
                : (0, entities_1.escapeText)(data);
    }
    return data;
}
function renderCdata(elem) {
    return "<![CDATA[".concat(elem.children[0].data, "]]>");
}
function renderComment(elem) {
    return "<!--".concat(elem.data, "-->");
}

},{"./foreignNames.js":5,"domelementtype":7,"entities":25}],7:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Doctype = exports.CDATA = exports.Tag = exports.Style = exports.Script = exports.Comment = exports.Directive = exports.Text = exports.Root = exports.isTag = exports.ElementType = void 0;
/** Types of elements found in htmlparser2's DOM */
var ElementType;
(function (ElementType) {
    /** Type for the root element of a document */
    ElementType["Root"] = "root";
    /** Type for Text */
    ElementType["Text"] = "text";
    /** Type for <? ... ?> */
    ElementType["Directive"] = "directive";
    /** Type for <!-- ... --> */
    ElementType["Comment"] = "comment";
    /** Type for <script> tags */
    ElementType["Script"] = "script";
    /** Type for <style> tags */
    ElementType["Style"] = "style";
    /** Type for Any tag */
    ElementType["Tag"] = "tag";
    /** Type for <![CDATA[ ... ]]> */
    ElementType["CDATA"] = "cdata";
    /** Type for <!doctype ...> */
    ElementType["Doctype"] = "doctype";
})(ElementType = exports.ElementType || (exports.ElementType = {}));
/**
 * Tests whether an element is a tag or not.
 *
 * @param elem Element to test
 */
function isTag(elem) {
    return (elem.type === ElementType.Tag ||
        elem.type === ElementType.Script ||
        elem.type === ElementType.Style);
}
exports.isTag = isTag;
// Exports for backwards compatibility
/** Type for the root element of a document */
exports.Root = ElementType.Root;
/** Type for Text */
exports.Text = ElementType.Text;
/** Type for <? ... ?> */
exports.Directive = ElementType.Directive;
/** Type for <!-- ... --> */
exports.Comment = ElementType.Comment;
/** Type for <script> tags */
exports.Script = ElementType.Script;
/** Type for <style> tags */
exports.Style = ElementType.Style;
/** Type for Any tag */
exports.Tag = ElementType.Tag;
/** Type for <![CDATA[ ... ]]> */
exports.CDATA = ElementType.CDATA;
/** Type for <!doctype ...> */
exports.Doctype = ElementType.Doctype;

},{}],8:[function(require,module,exports){
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __exportStar = (this && this.__exportStar) || function(m, exports) {
    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.DomHandler = void 0;
var domelementtype_1 = require("domelementtype");
var node_js_1 = require("./node.js");
__exportStar(require("./node.js"), exports);
// Default options
var defaultOpts = {
    withStartIndices: false,
    withEndIndices: false,
    xmlMode: false,
};
var DomHandler = /** @class */ (function () {
    /**
     * @param callback Called once parsing has completed.
     * @param options Settings for the handler.
     * @param elementCB Callback whenever a tag is closed.
     */
    function DomHandler(callback, options, elementCB) {
        /** The elements of the DOM */
        this.dom = [];
        /** The root element for the DOM */
        this.root = new node_js_1.Document(this.dom);
        /** Indicated whether parsing has been completed. */
        this.done = false;
        /** Stack of open tags. */
        this.tagStack = [this.root];
        /** A data node that is still being written to. */
        this.lastNode = null;
        /** Reference to the parser instance. Used for location information. */
        this.parser = null;
        // Make it possible to skip arguments, for backwards-compatibility
        if (typeof options === "function") {
            elementCB = options;
            options = defaultOpts;
        }
        if (typeof callback === "object") {
            options = callback;
            callback = undefined;
        }
        this.callback = callback !== null && callback !== void 0 ? callback : null;
        this.options = options !== null && options !== void 0 ? options : defaultOpts;
        this.elementCB = elementCB !== null && elementCB !== void 0 ? elementCB : null;
    }
    DomHandler.prototype.onparserinit = function (parser) {
        this.parser = parser;
    };
    // Resets the handler back to starting state
    DomHandler.prototype.onreset = function () {
        this.dom = [];
        this.root = new node_js_1.Document(this.dom);
        this.done = false;
        this.tagStack = [this.root];
        this.lastNode = null;
        this.parser = null;
    };
    // Signals the handler that parsing is done
    DomHandler.prototype.onend = function () {
        if (this.done)
            return;
        this.done = true;
        this.parser = null;
        this.handleCallback(null);
    };
    DomHandler.prototype.onerror = function (error) {
        this.handleCallback(error);
    };
    DomHandler.prototype.onclosetag = function () {
        this.lastNode = null;
        var elem = this.tagStack.pop();
        if (this.options.withEndIndices) {
            elem.endIndex = this.parser.endIndex;
        }
        if (this.elementCB)
            this.elementCB(elem);
    };
    DomHandler.prototype.onopentag = function (name, attribs) {
        var type = this.options.xmlMode ? domelementtype_1.ElementType.Tag : undefined;
        var element = new node_js_1.Element(name, attribs, undefined, type);
        this.addNode(element);
        this.tagStack.push(element);
    };
    DomHandler.prototype.ontext = function (data) {
        var lastNode = this.lastNode;
        if (lastNode && lastNode.type === domelementtype_1.ElementType.Text) {
            lastNode.data += data;
            if (this.options.withEndIndices) {
                lastNode.endIndex = this.parser.endIndex;
            }
        }
        else {
            var node = new node_js_1.Text(data);
            this.addNode(node);
            this.lastNode = node;
        }
    };
    DomHandler.prototype.oncomment = function (data) {
        if (this.lastNode && this.lastNode.type === domelementtype_1.ElementType.Comment) {
            this.lastNode.data += data;
            return;
        }
        var node = new node_js_1.Comment(data);
        this.addNode(node);
        this.lastNode = node;
    };
    DomHandler.prototype.oncommentend = function () {
        this.lastNode = null;
    };
    DomHandler.prototype.oncdatastart = function () {
        var text = new node_js_1.Text("");
        var node = new node_js_1.CDATA([text]);
        this.addNode(node);
        text.parent = node;
        this.lastNode = text;
    };
    DomHandler.prototype.oncdataend = function () {
        this.lastNode = null;
    };
    DomHandler.prototype.onprocessinginstruction = function (name, data) {
        var node = new node_js_1.ProcessingInstruction(name, data);
        this.addNode(node);
    };
    DomHandler.prototype.handleCallback = function (error) {
        if (typeof this.callback === "function") {
            this.callback(error, this.dom);
        }
        else if (error) {
            throw error;
        }
    };
    DomHandler.prototype.addNode = function (node) {
        var parent = this.tagStack[this.tagStack.length - 1];
        var previousSibling = parent.children[parent.children.length - 1];
        if (this.options.withStartIndices) {
            node.startIndex = this.parser.startIndex;
        }
        if (this.options.withEndIndices) {
            node.endIndex = this.parser.endIndex;
        }
        parent.children.push(node);
        if (previousSibling) {
            node.prev = previousSibling;
            previousSibling.next = node;
        }
        node.parent = parent;
        this.lastNode = null;
    };
    return DomHandler;
}());
exports.DomHandler = DomHandler;
exports.default = DomHandler;

},{"./node.js":9,"domelementtype":7}],9:[function(require,module,exports){
"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.cloneNode = exports.hasChildren = exports.isDocument = exports.isDirective = exports.isComment = exports.isText = exports.isCDATA = exports.isTag = exports.Element = exports.Document = exports.CDATA = exports.NodeWithChildren = exports.ProcessingInstruction = exports.Comment = exports.Text = exports.DataNode = exports.Node = void 0;
var domelementtype_1 = require("domelementtype");
/**
 * This object will be used as the prototype for Nodes when creating a
 * DOM-Level-1-compliant structure.
 */
var Node = /** @class */ (function () {
    function Node() {
        /** Parent of the node */
        this.parent = null;
        /** Previous sibling */
        this.prev = null;
        /** Next sibling */
        this.next = null;
        /** The start index of the node. Requires `withStartIndices` on the handler to be `true. */
        this.startIndex = null;
        /** The end index of the node. Requires `withEndIndices` on the handler to be `true. */
        this.endIndex = null;
    }
    Object.defineProperty(Node.prototype, "parentNode", {
        // Read-write aliases for properties
        /**
         * Same as {@link parent}.
         * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
         */
        get: function () {
            return this.parent;
        },
        set: function (parent) {
            this.parent = parent;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(Node.prototype, "previousSibling", {
        /**
         * Same as {@link prev}.
         * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
         */
        get: function () {
            return this.prev;
        },
        set: function (prev) {
            this.prev = prev;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(Node.prototype, "nextSibling", {
        /**
         * Same as {@link next}.
         * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
         */
        get: function () {
            return this.next;
        },
        set: function (next) {
            this.next = next;
        },
        enumerable: false,
        configurable: true
    });
    /**
     * Clone this node, and optionally its children.
     *
     * @param recursive Clone child nodes as well.
     * @returns A clone of the node.
     */
    Node.prototype.cloneNode = function (recursive) {
        if (recursive === void 0) { recursive = false; }
        return cloneNode(this, recursive);
    };
    return Node;
}());
exports.Node = Node;
/**
 * A node that contains some data.
 */
var DataNode = /** @class */ (function (_super) {
    __extends(DataNode, _super);
    /**
     * @param data The content of the data node
     */
    function DataNode(data) {
        var _this = _super.call(this) || this;
        _this.data = data;
        return _this;
    }
    Object.defineProperty(DataNode.prototype, "nodeValue", {
        /**
         * Same as {@link data}.
         * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
         */
        get: function () {
            return this.data;
        },
        set: function (data) {
            this.data = data;
        },
        enumerable: false,
        configurable: true
    });
    return DataNode;
}(Node));
exports.DataNode = DataNode;
/**
 * Text within the document.
 */
var Text = /** @class */ (function (_super) {
    __extends(Text, _super);
    function Text() {
        var _this = _super !== null && _super.apply(this, arguments) || this;
        _this.type = domelementtype_1.ElementType.Text;
        return _this;
    }
    Object.defineProperty(Text.prototype, "nodeType", {
        get: function () {
            return 3;
        },
        enumerable: false,
        configurable: true
    });
    return Text;
}(DataNode));
exports.Text = Text;
/**
 * Comments within the document.
 */
var Comment = /** @class */ (function (_super) {
    __extends(Comment, _super);
    function Comment() {
        var _this = _super !== null && _super.apply(this, arguments) || this;
        _this.type = domelementtype_1.ElementType.Comment;
        return _this;
    }
    Object.defineProperty(Comment.prototype, "nodeType", {
        get: function () {
            return 8;
        },
        enumerable: false,
        configurable: true
    });
    return Comment;
}(DataNode));
exports.Comment = Comment;
/**
 * Processing instructions, including doc types.
 */
var ProcessingInstruction = /** @class */ (function (_super) {
    __extends(ProcessingInstruction, _super);
    function ProcessingInstruction(name, data) {
        var _this = _super.call(this, data) || this;
        _this.name = name;
        _this.type = domelementtype_1.ElementType.Directive;
        return _this;
    }
    Object.defineProperty(ProcessingInstruction.prototype, "nodeType", {
        get: function () {
            return 1;
        },
        enumerable: false,
        configurable: true
    });
    return ProcessingInstruction;
}(DataNode));
exports.ProcessingInstruction = ProcessingInstruction;
/**
 * A `Node` that can have children.
 */
var NodeWithChildren = /** @class */ (function (_super) {
    __extends(NodeWithChildren, _super);
    /**
     * @param children Children of the node. Only certain node types can have children.
     */
    function NodeWithChildren(children) {
        var _this = _super.call(this) || this;
        _this.children = children;
        return _this;
    }
    Object.defineProperty(NodeWithChildren.prototype, "firstChild", {
        // Aliases
        /** First child of the node. */
        get: function () {
            var _a;
            return (_a = this.children[0]) !== null && _a !== void 0 ? _a : null;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(NodeWithChildren.prototype, "lastChild", {
        /** Last child of the node. */
        get: function () {
            return this.children.length > 0
                ? this.children[this.children.length - 1]
                : null;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(NodeWithChildren.prototype, "childNodes", {
        /**
         * Same as {@link children}.
         * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
         */
        get: function () {
            return this.children;
        },
        set: function (children) {
            this.children = children;
        },
        enumerable: false,
        configurable: true
    });
    return NodeWithChildren;
}(Node));
exports.NodeWithChildren = NodeWithChildren;
var CDATA = /** @class */ (function (_super) {
    __extends(CDATA, _super);
    function CDATA() {
        var _this = _super !== null && _super.apply(this, arguments) || this;
        _this.type = domelementtype_1.ElementType.CDATA;
        return _this;
    }
    Object.defineProperty(CDATA.prototype, "nodeType", {
        get: function () {
            return 4;
        },
        enumerable: false,
        configurable: true
    });
    return CDATA;
}(NodeWithChildren));
exports.CDATA = CDATA;
/**
 * The root node of the document.
 */
var Document = /** @class */ (function (_super) {
    __extends(Document, _super);
    function Document() {
        var _this = _super !== null && _super.apply(this, arguments) || this;
        _this.type = domelementtype_1.ElementType.Root;
        return _this;
    }
    Object.defineProperty(Document.prototype, "nodeType", {
        get: function () {
            return 9;
        },
        enumerable: false,
        configurable: true
    });
    return Document;
}(NodeWithChildren));
exports.Document = Document;
/**
 * An element within the DOM.
 */
var Element = /** @class */ (function (_super) {
    __extends(Element, _super);
    /**
     * @param name Name of the tag, eg. `div`, `span`.
     * @param attribs Object mapping attribute names to attribute values.
     * @param children Children of the node.
     */
    function Element(name, attribs, children, type) {
        if (children === void 0) { children = []; }
        if (type === void 0) { type = name === "script"
            ? domelementtype_1.ElementType.Script
            : name === "style"
                ? domelementtype_1.ElementType.Style
                : domelementtype_1.ElementType.Tag; }
        var _this = _super.call(this, children) || this;
        _this.name = name;
        _this.attribs = attribs;
        _this.type = type;
        return _this;
    }
    Object.defineProperty(Element.prototype, "nodeType", {
        get: function () {
            return 1;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(Element.prototype, "tagName", {
        // DOM Level 1 aliases
        /**
         * Same as {@link name}.
         * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
         */
        get: function () {
            return this.name;
        },
        set: function (name) {
            this.name = name;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(Element.prototype, "attributes", {
        get: function () {
            var _this = this;
            return Object.keys(this.attribs).map(function (name) {
                var _a, _b;
                return ({
                    name: name,
                    value: _this.attribs[name],
                    namespace: (_a = _this["x-attribsNamespace"]) === null || _a === void 0 ? void 0 : _a[name],
                    prefix: (_b = _this["x-attribsPrefix"]) === null || _b === void 0 ? void 0 : _b[name],
                });
            });
        },
        enumerable: false,
        configurable: true
    });
    return Element;
}(NodeWithChildren));
exports.Element = Element;
/**
 * @param node Node to check.
 * @returns `true` if the node is a `Element`, `false` otherwise.
 */
function isTag(node) {
    return (0, domelementtype_1.isTag)(node);
}
exports.isTag = isTag;
/**
 * @param node Node to check.
 * @returns `true` if the node has the type `CDATA`, `false` otherwise.
 */
function isCDATA(node) {
    return node.type === domelementtype_1.ElementType.CDATA;
}
exports.isCDATA = isCDATA;
/**
 * @param node Node to check.
 * @returns `true` if the node has the type `Text`, `false` otherwise.
 */
function isText(node) {
    return node.type === domelementtype_1.ElementType.Text;
}
exports.isText = isText;
/**
 * @param node Node to check.
 * @returns `true` if the node has the type `Comment`, `false` otherwise.
 */
function isComment(node) {
    return node.type === domelementtype_1.ElementType.Comment;
}
exports.isComment = isComment;
/**
 * @param node Node to check.
 * @returns `true` if the node has the type `ProcessingInstruction`, `false` otherwise.
 */
function isDirective(node) {
    return node.type === domelementtype_1.ElementType.Directive;
}
exports.isDirective = isDirective;
/**
 * @param node Node to check.
 * @returns `true` if the node has the type `ProcessingInstruction`, `false` otherwise.
 */
function isDocument(node) {
    return node.type === domelementtype_1.ElementType.Root;
}
exports.isDocument = isDocument;
/**
 * @param node Node to check.
 * @returns `true` if the node has children, `false` otherwise.
 */
function hasChildren(node) {
    return Object.prototype.hasOwnProperty.call(node, "children");
}
exports.hasChildren = hasChildren;
/**
 * Clone a node, and optionally its children.
 *
 * @param recursive Clone child nodes as well.
 * @returns A clone of the node.
 */
function cloneNode(node, recursive) {
    if (recursive === void 0) { recursive = false; }
    var result;
    if (isText(node)) {
        result = new Text(node.data);
    }
    else if (isComment(node)) {
        result = new Comment(node.data);
    }
    else if (isTag(node)) {
        var children = recursive ? cloneChildren(node.children) : [];
        var clone_1 = new Element(node.name, __assign({}, node.attribs), children);
        children.forEach(function (child) { return (child.parent = clone_1); });
        if (node.namespace != null) {
            clone_1.namespace = node.namespace;
        }
        if (node["x-attribsNamespace"]) {
            clone_1["x-attribsNamespace"] = __assign({}, node["x-attribsNamespace"]);
        }
        if (node["x-attribsPrefix"]) {
            clone_1["x-attribsPrefix"] = __assign({}, node["x-attribsPrefix"]);
        }
        result = clone_1;
    }
    else if (isCDATA(node)) {
        var children = recursive ? cloneChildren(node.children) : [];
        var clone_2 = new CDATA(children);
        children.forEach(function (child) { return (child.parent = clone_2); });
        result = clone_2;
    }
    else if (isDocument(node)) {
        var children = recursive ? cloneChildren(node.children) : [];
        var clone_3 = new Document(children);
        children.forEach(function (child) { return (child.parent = clone_3); });
        if (node["x-mode"]) {
            clone_3["x-mode"] = node["x-mode"];
        }
        result = clone_3;
    }
    else if (isDirective(node)) {
        var instruction = new ProcessingInstruction(node.name, node.data);
        if (node["x-name"] != null) {
            instruction["x-name"] = node["x-name"];
            instruction["x-publicId"] = node["x-publicId"];
            instruction["x-systemId"] = node["x-systemId"];
        }
        result = instruction;
    }
    else {
        throw new Error("Not implemented yet: ".concat(node.type));
    }
    result.startIndex = node.startIndex;
    result.endIndex = node.endIndex;
    if (node.sourceCodeLocation != null) {
        result.sourceCodeLocation = node.sourceCodeLocation;
    }
    return result;
}
exports.cloneNode = cloneNode;
function cloneChildren(childs) {
    var children = childs.map(function (child) { return cloneNode(child, true); });
    for (var i = 1; i < children.length; i++) {
        children[i].prev = children[i - 1];
        children[i - 1].next = children[i];
    }
    return children;
}

},{"domelementtype":7}],10:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getFeed = void 0;
var stringify_js_1 = require("./stringify.js");
var legacy_js_1 = require("./legacy.js");
/**
 * Get the feed object from the root of a DOM tree.
 *
 * @category Feeds
 * @param doc - The DOM to to extract the feed from.
 * @returns The feed.
 */
function getFeed(doc) {
    var feedRoot = getOneElement(isValidFeed, doc);
    return !feedRoot
        ? null
        : feedRoot.name === "feed"
            ? getAtomFeed(feedRoot)
            : getRssFeed(feedRoot);
}
exports.getFeed = getFeed;
/**
 * Parse an Atom feed.
 *
 * @param feedRoot The root of the feed.
 * @returns The parsed feed.
 */
function getAtomFeed(feedRoot) {
    var _a;
    var childs = feedRoot.children;
    var feed = {
        type: "atom",
        items: (0, legacy_js_1.getElementsByTagName)("entry", childs).map(function (item) {
            var _a;
            var children = item.children;
            var entry = { media: getMediaElements(children) };
            addConditionally(entry, "id", "id", children);
            addConditionally(entry, "title", "title", children);
            var href = (_a = getOneElement("link", children)) === null || _a === void 0 ? void 0 : _a.attribs["href"];
            if (href) {
                entry.link = href;
            }
            var description = fetch("summary", children) || fetch("content", children);
            if (description) {
                entry.description = description;
            }
            var pubDate = fetch("updated", children);
            if (pubDate) {
                entry.pubDate = new Date(pubDate);
            }
            return entry;
        }),
    };
    addConditionally(feed, "id", "id", childs);
    addConditionally(feed, "title", "title", childs);
    var href = (_a = getOneElement("link", childs)) === null || _a === void 0 ? void 0 : _a.attribs["href"];
    if (href) {
        feed.link = href;
    }
    addConditionally(feed, "description", "subtitle", childs);
    var updated = fetch("updated", childs);
    if (updated) {
        feed.updated = new Date(updated);
    }
    addConditionally(feed, "author", "email", childs, true);
    return feed;
}
/**
 * Parse a RSS feed.
 *
 * @param feedRoot The root of the feed.
 * @returns The parsed feed.
 */
function getRssFeed(feedRoot) {
    var _a, _b;
    var childs = (_b = (_a = getOneElement("channel", feedRoot.children)) === null || _a === void 0 ? void 0 : _a.children) !== null && _b !== void 0 ? _b : [];
    var feed = {
        type: feedRoot.name.substr(0, 3),
        id: "",
        items: (0, legacy_js_1.getElementsByTagName)("item", feedRoot.children).map(function (item) {
            var children = item.children;
            var entry = { media: getMediaElements(children) };
            addConditionally(entry, "id", "guid", children);
            addConditionally(entry, "title", "title", children);
            addConditionally(entry, "link", "link", children);
            addConditionally(entry, "description", "description", children);
            var pubDate = fetch("pubDate", children) || fetch("dc:date", children);
            if (pubDate)
                entry.pubDate = new Date(pubDate);
            return entry;
        }),
    };
    addConditionally(feed, "title", "title", childs);
    addConditionally(feed, "link", "link", childs);
    addConditionally(feed, "description", "description", childs);
    var updated = fetch("lastBuildDate", childs);
    if (updated) {
        feed.updated = new Date(updated);
    }
    addConditionally(feed, "author", "managingEditor", childs, true);
    return feed;
}
var MEDIA_KEYS_STRING = ["url", "type", "lang"];
var MEDIA_KEYS_INT = [
    "fileSize",
    "bitrate",
    "framerate",
    "samplingrate",
    "channels",
    "duration",
    "height",
    "width",
];
/**
 * Get all media elements of a feed item.
 *
 * @param where Nodes to search in.
 * @returns Media elements.
 */
function getMediaElements(where) {
    return (0, legacy_js_1.getElementsByTagName)("media:content", where).map(function (elem) {
        var attribs = elem.attribs;
        var media = {
            medium: attribs["medium"],
            isDefault: !!attribs["isDefault"],
        };
        for (var _i = 0, MEDIA_KEYS_STRING_1 = MEDIA_KEYS_STRING; _i < MEDIA_KEYS_STRING_1.length; _i++) {
            var attrib = MEDIA_KEYS_STRING_1[_i];
            if (attribs[attrib]) {
                media[attrib] = attribs[attrib];
            }
        }
        for (var _a = 0, MEDIA_KEYS_INT_1 = MEDIA_KEYS_INT; _a < MEDIA_KEYS_INT_1.length; _a++) {
            var attrib = MEDIA_KEYS_INT_1[_a];
            if (attribs[attrib]) {
                media[attrib] = parseInt(attribs[attrib], 10);
            }
        }
        if (attribs["expression"]) {
            media.expression = attribs["expression"];
        }
        return media;
    });
}
/**
 * Get one element by tag name.
 *
 * @param tagName Tag name to look for
 * @param node Node to search in
 * @returns The element or null
 */
function getOneElement(tagName, node) {
    return (0, legacy_js_1.getElementsByTagName)(tagName, node, true, 1)[0];
}
/**
 * Get the text content of an element with a certain tag name.
 *
 * @param tagName Tag name to look for.
 * @param where Node to search in.
 * @param recurse Whether to recurse into child nodes.
 * @returns The text content of the element.
 */
function fetch(tagName, where, recurse) {
    if (recurse === void 0) { recurse = false; }
    return (0, stringify_js_1.textContent)((0, legacy_js_1.getElementsByTagName)(tagName, where, recurse, 1)).trim();
}
/**
 * Adds a property to an object if it has a value.
 *
 * @param obj Object to be extended
 * @param prop Property name
 * @param tagName Tag name that contains the conditionally added property
 * @param where Element to search for the property
 * @param recurse Whether to recurse into child nodes.
 */
function addConditionally(obj, prop, tagName, where, recurse) {
    if (recurse === void 0) { recurse = false; }
    var val = fetch(tagName, where, recurse);
    if (val)
        obj[prop] = val;
}
/**
 * Checks if an element is a feed root node.
 *
 * @param value The name of the element to check.
 * @returns Whether an element is a feed root node.
 */
function isValidFeed(value) {
    return value === "rss" || value === "feed" || value === "rdf:RDF";
}

},{"./legacy.js":13,"./stringify.js":16}],11:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.uniqueSort = exports.compareDocumentPosition = exports.DocumentPosition = exports.removeSubsets = void 0;
var domhandler_1 = require("domhandler");
/**
 * Given an array of nodes, remove any member that is contained by another
 * member.
 *
 * @category Helpers
 * @param nodes Nodes to filter.
 * @returns Remaining nodes that aren't contained by other nodes.
 */
function removeSubsets(nodes) {
    var idx = nodes.length;
    /*
     * Check if each node (or one of its ancestors) is already contained in the
     * array.
     */
    while (--idx >= 0) {
        var node = nodes[idx];
        /*
         * Remove the node if it is not unique.
         * We are going through the array from the end, so we only
         * have to check nodes that preceed the node under consideration in the array.
         */
        if (idx > 0 && nodes.lastIndexOf(node, idx - 1) >= 0) {
            nodes.splice(idx, 1);
            continue;
        }
        for (var ancestor = node.parent; ancestor; ancestor = ancestor.parent) {
            if (nodes.includes(ancestor)) {
                nodes.splice(idx, 1);
                break;
            }
        }
    }
    return nodes;
}
exports.removeSubsets = removeSubsets;
/**
 * @category Helpers
 * @see {@link http://dom.spec.whatwg.org/#dom-node-comparedocumentposition}
 */
var DocumentPosition;
(function (DocumentPosition) {
    DocumentPosition[DocumentPosition["DISCONNECTED"] = 1] = "DISCONNECTED";
    DocumentPosition[DocumentPosition["PRECEDING"] = 2] = "PRECEDING";
    DocumentPosition[DocumentPosition["FOLLOWING"] = 4] = "FOLLOWING";
    DocumentPosition[DocumentPosition["CONTAINS"] = 8] = "CONTAINS";
    DocumentPosition[DocumentPosition["CONTAINED_BY"] = 16] = "CONTAINED_BY";
})(DocumentPosition = exports.DocumentPosition || (exports.DocumentPosition = {}));
/**
 * Compare the position of one node against another node in any other document,
 * returning a bitmask with the values from {@link DocumentPosition}.
 *
 * Document order:
 * > There is an ordering, document order, defined on all the nodes in the
 * > document corresponding to the order in which the first character of the
 * > XML representation of each node occurs in the XML representation of the
 * > document after expansion of general entities. Thus, the document element
 * > node will be the first node. Element nodes occur before their children.
 * > Thus, document order orders element nodes in order of the occurrence of
 * > their start-tag in the XML (after expansion of entities). The attribute
 * > nodes of an element occur after the element and before its children. The
 * > relative order of attribute nodes is implementation-dependent.
 *
 * Source:
 * http://www.w3.org/TR/DOM-Level-3-Core/glossary.html#dt-document-order
 *
 * @category Helpers
 * @param nodeA The first node to use in the comparison
 * @param nodeB The second node to use in the comparison
 * @returns A bitmask describing the input nodes' relative position.
 *
 * See http://dom.spec.whatwg.org/#dom-node-comparedocumentposition for
 * a description of these values.
 */
function compareDocumentPosition(nodeA, nodeB) {
    var aParents = [];
    var bParents = [];
    if (nodeA === nodeB) {
        return 0;
    }
    var current = (0, domhandler_1.hasChildren)(nodeA) ? nodeA : nodeA.parent;
    while (current) {
        aParents.unshift(current);
        current = current.parent;
    }
    current = (0, domhandler_1.hasChildren)(nodeB) ? nodeB : nodeB.parent;
    while (current) {
        bParents.unshift(current);
        current = current.parent;
    }
    var maxIdx = Math.min(aParents.length, bParents.length);
    var idx = 0;
    while (idx < maxIdx && aParents[idx] === bParents[idx]) {
        idx++;
    }
    if (idx === 0) {
        return DocumentPosition.DISCONNECTED;
    }
    var sharedParent = aParents[idx - 1];
    var siblings = sharedParent.children;
    var aSibling = aParents[idx];
    var bSibling = bParents[idx];
    if (siblings.indexOf(aSibling) > siblings.indexOf(bSibling)) {
        if (sharedParent === nodeB) {
            return DocumentPosition.FOLLOWING | DocumentPosition.CONTAINED_BY;
        }
        return DocumentPosition.FOLLOWING;
    }
    if (sharedParent === nodeA) {
        return DocumentPosition.PRECEDING | DocumentPosition.CONTAINS;
    }
    return DocumentPosition.PRECEDING;
}
exports.compareDocumentPosition = compareDocumentPosition;
/**
 * Sort an array of nodes based on their relative position in the document,
 * removing any duplicate nodes. If the array contains nodes that do not belong
 * to the same document, sort order is unspecified.
 *
 * @category Helpers
 * @param nodes Array of DOM nodes.
 * @returns Collection of unique nodes, sorted in document order.
 */
function uniqueSort(nodes) {
    nodes = nodes.filter(function (node, i, arr) { return !arr.includes(node, i + 1); });
    nodes.sort(function (a, b) {
        var relative = compareDocumentPosition(a, b);
        if (relative & DocumentPosition.PRECEDING) {
            return -1;
        }
        else if (relative & DocumentPosition.FOLLOWING) {
            return 1;
        }
        return 0;
    });
    return nodes;
}
exports.uniqueSort = uniqueSort;

},{"domhandler":8}],12:[function(require,module,exports){
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __exportStar = (this && this.__exportStar) || function(m, exports) {
    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.hasChildren = exports.isDocument = exports.isComment = exports.isText = exports.isCDATA = exports.isTag = void 0;
__exportStar(require("./stringify.js"), exports);
__exportStar(require("./traversal.js"), exports);
__exportStar(require("./manipulation.js"), exports);
__exportStar(require("./querying.js"), exports);
__exportStar(require("./legacy.js"), exports);
__exportStar(require("./helpers.js"), exports);
__exportStar(require("./feeds.js"), exports);
/** @deprecated Use these methods from `domhandler` directly. */
var domhandler_1 = require("domhandler");
Object.defineProperty(exports, "isTag", { enumerable: true, get: function () { return domhandler_1.isTag; } });
Object.defineProperty(exports, "isCDATA", { enumerable: true, get: function () { return domhandler_1.isCDATA; } });
Object.defineProperty(exports, "isText", { enumerable: true, get: function () { return domhandler_1.isText; } });
Object.defineProperty(exports, "isComment", { enumerable: true, get: function () { return domhandler_1.isComment; } });
Object.defineProperty(exports, "isDocument", { enumerable: true, get: function () { return domhandler_1.isDocument; } });
Object.defineProperty(exports, "hasChildren", { enumerable: true, get: function () { return domhandler_1.hasChildren; } });

},{"./feeds.js":10,"./helpers.js":11,"./legacy.js":13,"./manipulation.js":14,"./querying.js":15,"./stringify.js":16,"./traversal.js":17,"domhandler":8}],13:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getElementsByTagType = exports.getElementsByTagName = exports.getElementById = exports.getElements = exports.testElement = void 0;
var domhandler_1 = require("domhandler");
var querying_js_1 = require("./querying.js");
/**
 * A map of functions to check nodes against.
 */
var Checks = {
    tag_name: function (name) {
        if (typeof name === "function") {
            return function (elem) { return (0, domhandler_1.isTag)(elem) && name(elem.name); };
        }
        else if (name === "*") {
            return domhandler_1.isTag;
        }
        return function (elem) { return (0, domhandler_1.isTag)(elem) && elem.name === name; };
    },
    tag_type: function (type) {
        if (typeof type === "function") {
            return function (elem) { return type(elem.type); };
        }
        return function (elem) { return elem.type === type; };
    },
    tag_contains: function (data) {
        if (typeof data === "function") {
            return function (elem) { return (0, domhandler_1.isText)(elem) && data(elem.data); };
        }
        return function (elem) { return (0, domhandler_1.isText)(elem) && elem.data === data; };
    },
};
/**
 * Returns a function to check whether a node has an attribute with a particular
 * value.
 *
 * @param attrib Attribute to check.
 * @param value Attribute value to look for.
 * @returns A function to check whether the a node has an attribute with a
 *   particular value.
 */
function getAttribCheck(attrib, value) {
    if (typeof value === "function") {
        return function (elem) { return (0, domhandler_1.isTag)(elem) && value(elem.attribs[attrib]); };
    }
    return function (elem) { return (0, domhandler_1.isTag)(elem) && elem.attribs[attrib] === value; };
}
/**
 * Returns a function that returns `true` if either of the input functions
 * returns `true` for a node.
 *
 * @param a First function to combine.
 * @param b Second function to combine.
 * @returns A function taking a node and returning `true` if either of the input
 *   functions returns `true` for the node.
 */
function combineFuncs(a, b) {
    return function (elem) { return a(elem) || b(elem); };
}
/**
 * Returns a function that executes all checks in `options` and returns `true`
 * if any of them match a node.
 *
 * @param options An object describing nodes to look for.
 * @returns A function that executes all checks in `options` and returns `true`
 *   if any of them match a node.
 */
function compileTest(options) {
    var funcs = Object.keys(options).map(function (key) {
        var value = options[key];
        return Object.prototype.hasOwnProperty.call(Checks, key)
            ? Checks[key](value)
            : getAttribCheck(key, value);
    });
    return funcs.length === 0 ? null : funcs.reduce(combineFuncs);
}
/**
 * Checks whether a node matches the description in `options`.
 *
 * @category Legacy Query Functions
 * @param options An object describing nodes to look for.
 * @param node The element to test.
 * @returns Whether the element matches the description in `options`.
 */
function testElement(options, node) {
    var test = compileTest(options);
    return test ? test(node) : true;
}
exports.testElement = testElement;
/**
 * Returns all nodes that match `options`.
 *
 * @category Legacy Query Functions
 * @param options An object describing nodes to look for.
 * @param nodes Nodes to search through.
 * @param recurse Also consider child nodes.
 * @param limit Maximum number of nodes to return.
 * @returns All nodes that match `options`.
 */
function getElements(options, nodes, recurse, limit) {
    if (limit === void 0) { limit = Infinity; }
    var test = compileTest(options);
    return test ? (0, querying_js_1.filter)(test, nodes, recurse, limit) : [];
}
exports.getElements = getElements;
/**
 * Returns the node with the supplied ID.
 *
 * @category Legacy Query Functions
 * @param id The unique ID attribute value to look for.
 * @param nodes Nodes to search through.
 * @param recurse Also consider child nodes.
 * @returns The node with the supplied ID.
 */
function getElementById(id, nodes, recurse) {
    if (recurse === void 0) { recurse = true; }
    if (!Array.isArray(nodes))
        nodes = [nodes];
    return (0, querying_js_1.findOne)(getAttribCheck("id", id), nodes, recurse);
}
exports.getElementById = getElementById;
/**
 * Returns all nodes with the supplied `tagName`.
 *
 * @category Legacy Query Functions
 * @param tagName Tag name to search for.
 * @param nodes Nodes to search through.
 * @param recurse Also consider child nodes.
 * @param limit Maximum number of nodes to return.
 * @returns All nodes with the supplied `tagName`.
 */
function getElementsByTagName(tagName, nodes, recurse, limit) {
    if (recurse === void 0) { recurse = true; }
    if (limit === void 0) { limit = Infinity; }
    return (0, querying_js_1.filter)(Checks["tag_name"](tagName), nodes, recurse, limit);
}
exports.getElementsByTagName = getElementsByTagName;
/**
 * Returns all nodes with the supplied `type`.
 *
 * @category Legacy Query Functions
 * @param type Element type to look for.
 * @param nodes Nodes to search through.
 * @param recurse Also consider child nodes.
 * @param limit Maximum number of nodes to return.
 * @returns All nodes with the supplied `type`.
 */
function getElementsByTagType(type, nodes, recurse, limit) {
    if (recurse === void 0) { recurse = true; }
    if (limit === void 0) { limit = Infinity; }
    return (0, querying_js_1.filter)(Checks["tag_type"](type), nodes, recurse, limit);
}
exports.getElementsByTagType = getElementsByTagType;

},{"./querying.js":15,"domhandler":8}],14:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.prepend = exports.prependChild = exports.append = exports.appendChild = exports.replaceElement = exports.removeElement = void 0;
/**
 * Remove an element from the dom
 *
 * @category Manipulation
 * @param elem The element to be removed
 */
function removeElement(elem) {
    if (elem.prev)
        elem.prev.next = elem.next;
    if (elem.next)
        elem.next.prev = elem.prev;
    if (elem.parent) {
        var childs = elem.parent.children;
        var childsIndex = childs.lastIndexOf(elem);
        if (childsIndex >= 0) {
            childs.splice(childsIndex, 1);
        }
    }
    elem.next = null;
    elem.prev = null;
    elem.parent = null;
}
exports.removeElement = removeElement;
/**
 * Replace an element in the dom
 *
 * @category Manipulation
 * @param elem The element to be replaced
 * @param replacement The element to be added
 */
function replaceElement(elem, replacement) {
    var prev = (replacement.prev = elem.prev);
    if (prev) {
        prev.next = replacement;
    }
    var next = (replacement.next = elem.next);
    if (next) {
        next.prev = replacement;
    }
    var parent = (replacement.parent = elem.parent);
    if (parent) {
        var childs = parent.children;
        childs[childs.lastIndexOf(elem)] = replacement;
        elem.parent = null;
    }
}
exports.replaceElement = replaceElement;
/**
 * Append a child to an element.
 *
 * @category Manipulation
 * @param parent The element to append to.
 * @param child The element to be added as a child.
 */
function appendChild(parent, child) {
    removeElement(child);
    child.next = null;
    child.parent = parent;
    if (parent.children.push(child) > 1) {
        var sibling = parent.children[parent.children.length - 2];
        sibling.next = child;
        child.prev = sibling;
    }
    else {
        child.prev = null;
    }
}
exports.appendChild = appendChild;
/**
 * Append an element after another.
 *
 * @category Manipulation
 * @param elem The element to append after.
 * @param next The element be added.
 */
function append(elem, next) {
    removeElement(next);
    var parent = elem.parent;
    var currNext = elem.next;
    next.next = currNext;
    next.prev = elem;
    elem.next = next;
    next.parent = parent;
    if (currNext) {
        currNext.prev = next;
        if (parent) {
            var childs = parent.children;
            childs.splice(childs.lastIndexOf(currNext), 0, next);
        }
    }
    else if (parent) {
        parent.children.push(next);
    }
}
exports.append = append;
/**
 * Prepend a child to an element.
 *
 * @category Manipulation
 * @param parent The element to prepend before.
 * @param child The element to be added as a child.
 */
function prependChild(parent, child) {
    removeElement(child);
    child.parent = parent;
    child.prev = null;
    if (parent.children.unshift(child) !== 1) {
        var sibling = parent.children[1];
        sibling.prev = child;
        child.next = sibling;
    }
    else {
        child.next = null;
    }
}
exports.prependChild = prependChild;
/**
 * Prepend an element before another.
 *
 * @category Manipulation
 * @param elem The element to prepend before.
 * @param prev The element be added.
 */
function prepend(elem, prev) {
    removeElement(prev);
    var parent = elem.parent;
    if (parent) {
        var childs = parent.children;
        childs.splice(childs.indexOf(elem), 0, prev);
    }
    if (elem.prev) {
        elem.prev.next = prev;
    }
    prev.parent = parent;
    prev.prev = elem.prev;
    prev.next = elem;
    elem.prev = prev;
}
exports.prepend = prepend;

},{}],15:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.findAll = exports.existsOne = exports.findOne = exports.findOneChild = exports.find = exports.filter = void 0;
var domhandler_1 = require("domhandler");
/**
 * Search a node and its children for nodes passing a test function. If `node` is not an array, it will be wrapped in one.
 *
 * @category Querying
 * @param test Function to test nodes on.
 * @param node Node to search. Will be included in the result set if it matches.
 * @param recurse Also consider child nodes.
 * @param limit Maximum number of nodes to return.
 * @returns All nodes passing `test`.
 */
function filter(test, node, recurse, limit) {
    if (recurse === void 0) { recurse = true; }
    if (limit === void 0) { limit = Infinity; }
    return find(test, Array.isArray(node) ? node : [node], recurse, limit);
}
exports.filter = filter;
/**
 * Search an array of nodes and their children for nodes passing a test function.
 *
 * @category Querying
 * @param test Function to test nodes on.
 * @param nodes Array of nodes to search.
 * @param recurse Also consider child nodes.
 * @param limit Maximum number of nodes to return.
 * @returns All nodes passing `test`.
 */
function find(test, nodes, recurse, limit) {
    var result = [];
    /** Stack of the arrays we are looking at. */
    var nodeStack = [nodes];
    /** Stack of the indices within the arrays. */
    var indexStack = [0];
    for (;;) {
        // First, check if the current array has any more elements to look at.
        if (indexStack[0] >= nodeStack[0].length) {
            // If we have no more arrays to look at, we are done.
            if (indexStack.length === 1) {
                return result;
            }
            // Otherwise, remove the current array from the stack.
            nodeStack.shift();
            indexStack.shift();
            // Loop back to the start to continue with the next array.
            continue;
        }
        var elem = nodeStack[0][indexStack[0]++];
        if (test(elem)) {
            result.push(elem);
            if (--limit <= 0)
                return result;
        }
        if (recurse && (0, domhandler_1.hasChildren)(elem) && elem.children.length > 0) {
            /*
             * Add the children to the stack. We are depth-first, so this is
             * the next array we look at.
             */
            indexStack.unshift(0);
            nodeStack.unshift(elem.children);
        }
    }
}
exports.find = find;
/**
 * Finds the first element inside of an array that matches a test function. This is an alias for `Array.prototype.find`.
 *
 * @category Querying
 * @param test Function to test nodes on.
 * @param nodes Array of nodes to search.
 * @returns The first node in the array that passes `test`.
 * @deprecated Use `Array.prototype.find` directly.
 */
function findOneChild(test, nodes) {
    return nodes.find(test);
}
exports.findOneChild = findOneChild;
/**
 * Finds one element in a tree that passes a test.
 *
 * @category Querying
 * @param test Function to test nodes on.
 * @param nodes Node or array of nodes to search.
 * @param recurse Also consider child nodes.
 * @returns The first node that passes `test`.
 */
function findOne(test, nodes, recurse) {
    if (recurse === void 0) { recurse = true; }
    var elem = null;
    for (var i = 0; i < nodes.length && !elem; i++) {
        var node = nodes[i];
        if (!(0, domhandler_1.isTag)(node)) {
            continue;
        }
        else if (test(node)) {
            elem = node;
        }
        else if (recurse && node.children.length > 0) {
            elem = findOne(test, node.children, true);
        }
    }
    return elem;
}
exports.findOne = findOne;
/**
 * Checks if a tree of nodes contains at least one node passing a test.
 *
 * @category Querying
 * @param test Function to test nodes on.
 * @param nodes Array of nodes to search.
 * @returns Whether a tree of nodes contains at least one node passing the test.
 */
function existsOne(test, nodes) {
    return nodes.some(function (checked) {
        return (0, domhandler_1.isTag)(checked) &&
            (test(checked) || existsOne(test, checked.children));
    });
}
exports.existsOne = existsOne;
/**
 * Search an array of nodes and their children for elements passing a test function.
 *
 * Same as `find`, but limited to elements and with less options, leading to reduced complexity.
 *
 * @category Querying
 * @param test Function to test nodes on.
 * @param nodes Array of nodes to search.
 * @returns All nodes passing `test`.
 */
function findAll(test, nodes) {
    var result = [];
    var nodeStack = [nodes];
    var indexStack = [0];
    for (;;) {
        if (indexStack[0] >= nodeStack[0].length) {
            if (nodeStack.length === 1) {
                return result;
            }
            // Otherwise, remove the current array from the stack.
            nodeStack.shift();
            indexStack.shift();
            // Loop back to the start to continue with the next array.
            continue;
        }
        var elem = nodeStack[0][indexStack[0]++];
        if (!(0, domhandler_1.isTag)(elem))
            continue;
        if (test(elem))
            result.push(elem);
        if (elem.children.length > 0) {
            indexStack.unshift(0);
            nodeStack.unshift(elem.children);
        }
    }
}
exports.findAll = findAll;

},{"domhandler":8}],16:[function(require,module,exports){
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.innerText = exports.textContent = exports.getText = exports.getInnerHTML = exports.getOuterHTML = void 0;
var domhandler_1 = require("domhandler");
var dom_serializer_1 = __importDefault(require("dom-serializer"));
var domelementtype_1 = require("domelementtype");
/**
 * @category Stringify
 * @deprecated Use the `dom-serializer` module directly.
 * @param node Node to get the outer HTML of.
 * @param options Options for serialization.
 * @returns `node`'s outer HTML.
 */
function getOuterHTML(node, options) {
    return (0, dom_serializer_1.default)(node, options);
}
exports.getOuterHTML = getOuterHTML;
/**
 * @category Stringify
 * @deprecated Use the `dom-serializer` module directly.
 * @param node Node to get the inner HTML of.
 * @param options Options for serialization.
 * @returns `node`'s inner HTML.
 */
function getInnerHTML(node, options) {
    return (0, domhandler_1.hasChildren)(node)
        ? node.children.map(function (node) { return getOuterHTML(node, options); }).join("")
        : "";
}
exports.getInnerHTML = getInnerHTML;
/**
 * Get a node's inner text. Same as `textContent`, but inserts newlines for `<br>` tags. Ignores comments.
 *
 * @category Stringify
 * @deprecated Use `textContent` instead.
 * @param node Node to get the inner text of.
 * @returns `node`'s inner text.
 */
function getText(node) {
    if (Array.isArray(node))
        return node.map(getText).join("");
    if ((0, domhandler_1.isTag)(node))
        return node.name === "br" ? "\n" : getText(node.children);
    if ((0, domhandler_1.isCDATA)(node))
        return getText(node.children);
    if ((0, domhandler_1.isText)(node))
        return node.data;
    return "";
}
exports.getText = getText;
/**
 * Get a node's text content. Ignores comments.
 *
 * @category Stringify
 * @param node Node to get the text content of.
 * @returns `node`'s text content.
 * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/Node/textContent}
 */
function textContent(node) {
    if (Array.isArray(node))
        return node.map(textContent).join("");
    if ((0, domhandler_1.hasChildren)(node) && !(0, domhandler_1.isComment)(node)) {
        return textContent(node.children);
    }
    if ((0, domhandler_1.isText)(node))
        return node.data;
    return "";
}
exports.textContent = textContent;
/**
 * Get a node's inner text, ignoring `<script>` and `<style>` tags. Ignores comments.
 *
 * @category Stringify
 * @param node Node to get the inner text of.
 * @returns `node`'s inner text.
 * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/Node/innerText}
 */
function innerText(node) {
    if (Array.isArray(node))
        return node.map(innerText).join("");
    if ((0, domhandler_1.hasChildren)(node) && (node.type === domelementtype_1.ElementType.Tag || (0, domhandler_1.isCDATA)(node))) {
        return innerText(node.children);
    }
    if ((0, domhandler_1.isText)(node))
        return node.data;
    return "";
}
exports.innerText = innerText;

},{"dom-serializer":6,"domelementtype":7,"domhandler":8}],17:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.prevElementSibling = exports.nextElementSibling = exports.getName = exports.hasAttrib = exports.getAttributeValue = exports.getSiblings = exports.getParent = exports.getChildren = void 0;
var domhandler_1 = require("domhandler");
/**
 * Get a node's children.
 *
 * @category Traversal
 * @param elem Node to get the children of.
 * @returns `elem`'s children, or an empty array.
 */
function getChildren(elem) {
    return (0, domhandler_1.hasChildren)(elem) ? elem.children : [];
}
exports.getChildren = getChildren;
/**
 * Get a node's parent.
 *
 * @category Traversal
 * @param elem Node to get the parent of.
 * @returns `elem`'s parent node, or `null` if `elem` is a root node.
 */
function getParent(elem) {
    return elem.parent || null;
}
exports.getParent = getParent;
/**
 * Gets an elements siblings, including the element itself.
 *
 * Attempts to get the children through the element's parent first. If we don't
 * have a parent (the element is a root node), we walk the element's `prev` &
 * `next` to get all remaining nodes.
 *
 * @category Traversal
 * @param elem Element to get the siblings of.
 * @returns `elem`'s siblings, including `elem`.
 */
function getSiblings(elem) {
    var _a, _b;
    var parent = getParent(elem);
    if (parent != null)
        return getChildren(parent);
    var siblings = [elem];
    var prev = elem.prev, next = elem.next;
    while (prev != null) {
        siblings.unshift(prev);
        (_a = prev, prev = _a.prev);
    }
    while (next != null) {
        siblings.push(next);
        (_b = next, next = _b.next);
    }
    return siblings;
}
exports.getSiblings = getSiblings;
/**
 * Gets an attribute from an element.
 *
 * @category Traversal
 * @param elem Element to check.
 * @param name Attribute name to retrieve.
 * @returns The element's attribute value, or `undefined`.
 */
function getAttributeValue(elem, name) {
    var _a;
    return (_a = elem.attribs) === null || _a === void 0 ? void 0 : _a[name];
}
exports.getAttributeValue = getAttributeValue;
/**
 * Checks whether an element has an attribute.
 *
 * @category Traversal
 * @param elem Element to check.
 * @param name Attribute name to look for.
 * @returns Returns whether `elem` has the attribute `name`.
 */
function hasAttrib(elem, name) {
    return (elem.attribs != null &&
        Object.prototype.hasOwnProperty.call(elem.attribs, name) &&
        elem.attribs[name] != null);
}
exports.hasAttrib = hasAttrib;
/**
 * Get the tag name of an element.
 *
 * @category Traversal
 * @param elem The element to get the name for.
 * @returns The tag name of `elem`.
 */
function getName(elem) {
    return elem.name;
}
exports.getName = getName;
/**
 * Returns the next element sibling of a node.
 *
 * @category Traversal
 * @param elem The element to get the next sibling of.
 * @returns `elem`'s next sibling that is a tag, or `null` if there is no next
 * sibling.
 */
function nextElementSibling(elem) {
    var _a;
    var next = elem.next;
    while (next !== null && !(0, domhandler_1.isTag)(next))
        (_a = next, next = _a.next);
    return next;
}
exports.nextElementSibling = nextElementSibling;
/**
 * Returns the previous element sibling of a node.
 *
 * @category Traversal
 * @param elem The element to get the previous sibling of.
 * @returns `elem`'s previous sibling that is a tag, or `null` if there is no
 * previous sibling.
 */
function prevElementSibling(elem) {
    var _a;
    var prev = elem.prev;
    while (prev !== null && !(0, domhandler_1.isTag)(prev))
        (_a = prev, prev = _a.prev);
    return prev;
}
exports.prevElementSibling = prevElementSibling;

},{"domhandler":8}],18:[function(require,module,exports){
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.decodeXML = exports.decodeHTMLStrict = exports.decodeHTMLAttribute = exports.decodeHTML = exports.determineBranch = exports.EntityDecoder = exports.DecodingMode = exports.BinTrieFlags = exports.fromCodePoint = exports.replaceCodePoint = exports.decodeCodePoint = exports.xmlDecodeTree = exports.htmlDecodeTree = void 0;
var decode_data_html_js_1 = __importDefault(require("./generated/decode-data-html.js"));
exports.htmlDecodeTree = decode_data_html_js_1.default;
var decode_data_xml_js_1 = __importDefault(require("./generated/decode-data-xml.js"));
exports.xmlDecodeTree = decode_data_xml_js_1.default;
var decode_codepoint_js_1 = __importStar(require("./decode_codepoint.js"));
exports.decodeCodePoint = decode_codepoint_js_1.default;
var decode_codepoint_js_2 = require("./decode_codepoint.js");
Object.defineProperty(exports, "replaceCodePoint", { enumerable: true, get: function () { return decode_codepoint_js_2.replaceCodePoint; } });
Object.defineProperty(exports, "fromCodePoint", { enumerable: true, get: function () { return decode_codepoint_js_2.fromCodePoint; } });
var CharCodes;
(function (CharCodes) {
    CharCodes[CharCodes["NUM"] = 35] = "NUM";
    CharCodes[CharCodes["SEMI"] = 59] = "SEMI";
    CharCodes[CharCodes["EQUALS"] = 61] = "EQUALS";
    CharCodes[CharCodes["ZERO"] = 48] = "ZERO";
    CharCodes[CharCodes["NINE"] = 57] = "NINE";
    CharCodes[CharCodes["LOWER_A"] = 97] = "LOWER_A";
    CharCodes[CharCodes["LOWER_F"] = 102] = "LOWER_F";
    CharCodes[CharCodes["LOWER_X"] = 120] = "LOWER_X";
    CharCodes[CharCodes["LOWER_Z"] = 122] = "LOWER_Z";
    CharCodes[CharCodes["UPPER_A"] = 65] = "UPPER_A";
    CharCodes[CharCodes["UPPER_F"] = 70] = "UPPER_F";
    CharCodes[CharCodes["UPPER_Z"] = 90] = "UPPER_Z";
})(CharCodes || (CharCodes = {}));
/** Bit that needs to be set to convert an upper case ASCII character to lower case */
var TO_LOWER_BIT = 32;
var BinTrieFlags;
(function (BinTrieFlags) {
    BinTrieFlags[BinTrieFlags["VALUE_LENGTH"] = 49152] = "VALUE_LENGTH";
    BinTrieFlags[BinTrieFlags["BRANCH_LENGTH"] = 16256] = "BRANCH_LENGTH";
    BinTrieFlags[BinTrieFlags["JUMP_TABLE"] = 127] = "JUMP_TABLE";
})(BinTrieFlags = exports.BinTrieFlags || (exports.BinTrieFlags = {}));
function isNumber(code) {
    return code >= CharCodes.ZERO && code <= CharCodes.NINE;
}
function isHexadecimalCharacter(code) {
    return ((code >= CharCodes.UPPER_A && code <= CharCodes.UPPER_F) ||
        (code >= CharCodes.LOWER_A && code <= CharCodes.LOWER_F));
}
function isAsciiAlphaNumeric(code) {
    return ((code >= CharCodes.UPPER_A && code <= CharCodes.UPPER_Z) ||
        (code >= CharCodes.LOWER_A && code <= CharCodes.LOWER_Z) ||
        isNumber(code));
}
/**
 * Checks if the given character is a valid end character for an entity in an attribute.
 *
 * Attribute values that aren't terminated properly aren't parsed, and shouldn't lead to a parser error.
 * See the example in https://html.spec.whatwg.org/multipage/parsing.html#named-character-reference-state
 */
function isEntityInAttributeInvalidEnd(code) {
    return code === CharCodes.EQUALS || isAsciiAlphaNumeric(code);
}
var EntityDecoderState;
(function (EntityDecoderState) {
    EntityDecoderState[EntityDecoderState["EntityStart"] = 0] = "EntityStart";
    EntityDecoderState[EntityDecoderState["NumericStart"] = 1] = "NumericStart";
    EntityDecoderState[EntityDecoderState["NumericDecimal"] = 2] = "NumericDecimal";
    EntityDecoderState[EntityDecoderState["NumericHex"] = 3] = "NumericHex";
    EntityDecoderState[EntityDecoderState["NamedEntity"] = 4] = "NamedEntity";
})(EntityDecoderState || (EntityDecoderState = {}));
var DecodingMode;
(function (DecodingMode) {
    /** Entities in text nodes that can end with any character. */
    DecodingMode[DecodingMode["Legacy"] = 0] = "Legacy";
    /** Only allow entities terminated with a semicolon. */
    DecodingMode[DecodingMode["Strict"] = 1] = "Strict";
    /** Entities in attributes have limitations on ending characters. */
    DecodingMode[DecodingMode["Attribute"] = 2] = "Attribute";
})(DecodingMode = exports.DecodingMode || (exports.DecodingMode = {}));
/**
 * Token decoder with support of writing partial entities.
 */
var EntityDecoder = /** @class */ (function () {
    function EntityDecoder(
    /** The tree used to decode entities. */
    decodeTree, 
    /**
     * The function that is called when a codepoint is decoded.
     *
     * For multi-byte named entities, this will be called multiple times,
     * with the second codepoint, and the same `consumed` value.
     *
     * @param codepoint The decoded codepoint.
     * @param consumed The number of bytes consumed by the decoder.
     */
    emitCodePoint, 
    /** An object that is used to produce errors. */
    errors) {
        this.decodeTree = decodeTree;
        this.emitCodePoint = emitCodePoint;
        this.errors = errors;
        /** The current state of the decoder. */
        this.state = EntityDecoderState.EntityStart;
        /** Characters that were consumed while parsing an entity. */
        this.consumed = 1;
        /**
         * The result of the entity.
         *
         * Either the result index of a numeric entity, or the codepoint of a
         * numeric entity.
         */
        this.result = 0;
        /** The current index in the decode tree. */
        this.treeIndex = 0;
        /** The number of characters that were consumed in excess. */
        this.excess = 1;
        /** The mode in which the decoder is operating. */
        this.decodeMode = DecodingMode.Strict;
    }
    /** Resets the instance to make it reusable. */
    EntityDecoder.prototype.startEntity = function (decodeMode) {
        this.decodeMode = decodeMode;
        this.state = EntityDecoderState.EntityStart;
        this.result = 0;
        this.treeIndex = 0;
        this.excess = 1;
        this.consumed = 1;
    };
    /**
     * Write an entity to the decoder. This can be called multiple times with partial entities.
     * If the entity is incomplete, the decoder will return -1.
     *
     * Mirrors the implementation of `getDecoder`, but with the ability to stop decoding if the
     * entity is incomplete, and resume when the next string is written.
     *
     * @param string The string containing the entity (or a continuation of the entity).
     * @param offset The offset at which the entity begins. Should be 0 if this is not the first call.
     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
     */
    EntityDecoder.prototype.write = function (str, offset) {
        switch (this.state) {
            case EntityDecoderState.EntityStart: {
                if (str.charCodeAt(offset) === CharCodes.NUM) {
                    this.state = EntityDecoderState.NumericStart;
                    this.consumed += 1;
                    return this.stateNumericStart(str, offset + 1);
                }
                this.state = EntityDecoderState.NamedEntity;
                return this.stateNamedEntity(str, offset);
            }
            case EntityDecoderState.NumericStart: {
                return this.stateNumericStart(str, offset);
            }
            case EntityDecoderState.NumericDecimal: {
                return this.stateNumericDecimal(str, offset);
            }
            case EntityDecoderState.NumericHex: {
                return this.stateNumericHex(str, offset);
            }
            case EntityDecoderState.NamedEntity: {
                return this.stateNamedEntity(str, offset);
            }
        }
    };
    /**
     * Switches between the numeric decimal and hexadecimal states.
     *
     * Equivalent to the `Numeric character reference state` in the HTML spec.
     *
     * @param str The string containing the entity (or a continuation of the entity).
     * @param offset The current offset.
     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
     */
    EntityDecoder.prototype.stateNumericStart = function (str, offset) {
        if (offset >= str.length) {
            return -1;
        }
        if ((str.charCodeAt(offset) | TO_LOWER_BIT) === CharCodes.LOWER_X) {
            this.state = EntityDecoderState.NumericHex;
            this.consumed += 1;
            return this.stateNumericHex(str, offset + 1);
        }
        this.state = EntityDecoderState.NumericDecimal;
        return this.stateNumericDecimal(str, offset);
    };
    EntityDecoder.prototype.addToNumericResult = function (str, start, end, base) {
        if (start !== end) {
            var digitCount = end - start;
            this.result =
                this.result * Math.pow(base, digitCount) +
                    parseInt(str.substr(start, digitCount), base);
            this.consumed += digitCount;
        }
    };
    /**
     * Parses a hexadecimal numeric entity.
     *
     * Equivalent to the `Hexademical character reference state` in the HTML spec.
     *
     * @param str The string containing the entity (or a continuation of the entity).
     * @param offset The current offset.
     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
     */
    EntityDecoder.prototype.stateNumericHex = function (str, offset) {
        var startIdx = offset;
        while (offset < str.length) {
            var char = str.charCodeAt(offset);
            if (isNumber(char) || isHexadecimalCharacter(char)) {
                offset += 1;
            }
            else {
                this.addToNumericResult(str, startIdx, offset, 16);
                return this.emitNumericEntity(char, 3);
            }
        }
        this.addToNumericResult(str, startIdx, offset, 16);
        return -1;
    };
    /**
     * Parses a decimal numeric entity.
     *
     * Equivalent to the `Decimal character reference state` in the HTML spec.
     *
     * @param str The string containing the entity (or a continuation of the entity).
     * @param offset The current offset.
     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
     */
    EntityDecoder.prototype.stateNumericDecimal = function (str, offset) {
        var startIdx = offset;
        while (offset < str.length) {
            var char = str.charCodeAt(offset);
            if (isNumber(char)) {
                offset += 1;
            }
            else {
                this.addToNumericResult(str, startIdx, offset, 10);
                return this.emitNumericEntity(char, 2);
            }
        }
        this.addToNumericResult(str, startIdx, offset, 10);
        return -1;
    };
    /**
     * Validate and emit a numeric entity.
     *
     * Implements the logic from the `Hexademical character reference start
     * state` and `Numeric character reference end state` in the HTML spec.
     *
     * @param lastCp The last code point of the entity. Used to see if the
     *               entity was terminated with a semicolon.
     * @param expectedLength The minimum number of characters that should be
     *                       consumed. Used to validate that at least one digit
     *                       was consumed.
     * @returns The number of characters that were consumed.
     */
    EntityDecoder.prototype.emitNumericEntity = function (lastCp, expectedLength) {
        var _a;
        // Ensure we consumed at least one digit.
        if (this.consumed <= expectedLength) {
            (_a = this.errors) === null || _a === void 0 ? void 0 : _a.absenceOfDigitsInNumericCharacterReference(this.consumed);
            return 0;
        }
        // Figure out if this is a legit end of the entity
        if (lastCp === CharCodes.SEMI) {
            this.consumed += 1;
        }
        else if (this.decodeMode === DecodingMode.Strict) {
            return 0;
        }
        this.emitCodePoint((0, decode_codepoint_js_1.replaceCodePoint)(this.result), this.consumed);
        if (this.errors) {
            if (lastCp !== CharCodes.SEMI) {
                this.errors.missingSemicolonAfterCharacterReference();
            }
            this.errors.validateNumericCharacterReference(this.result);
        }
        return this.consumed;
    };
    /**
     * Parses a named entity.
     *
     * Equivalent to the `Named character reference state` in the HTML spec.
     *
     * @param str The string containing the entity (or a continuation of the entity).
     * @param offset The current offset.
     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
     */
    EntityDecoder.prototype.stateNamedEntity = function (str, offset) {
        var decodeTree = this.decodeTree;
        var current = decodeTree[this.treeIndex];
        // The mask is the number of bytes of the value, including the current byte.
        var valueLength = (current & BinTrieFlags.VALUE_LENGTH) >> 14;
        for (; offset < str.length; offset++, this.excess++) {
            var char = str.charCodeAt(offset);
            this.treeIndex = determineBranch(decodeTree, current, this.treeIndex + Math.max(1, valueLength), char);
            if (this.treeIndex < 0) {
                return this.result === 0 ||
                    // If we are parsing an attribute
                    (this.decodeMode === DecodingMode.Attribute &&
                        // We shouldn't have consumed any characters after the entity,
                        (valueLength === 0 ||
                            // And there should be no invalid characters.
                            isEntityInAttributeInvalidEnd(char)))
                    ? 0
                    : this.emitNotTerminatedNamedEntity();
            }
            current = decodeTree[this.treeIndex];
            valueLength = (current & BinTrieFlags.VALUE_LENGTH) >> 14;
            // If the branch is a value, store it and continue
            if (valueLength !== 0) {
                // If the entity is terminated by a semicolon, we are done.
                if (char === CharCodes.SEMI) {
                    return this.emitNamedEntityData(this.treeIndex, valueLength, this.consumed + this.excess);
                }
                // If we encounter a non-terminated (legacy) entity while parsing strictly, then ignore it.
                if (this.decodeMode !== DecodingMode.Strict) {
                    this.result = this.treeIndex;
                    this.consumed += this.excess;
                    this.excess = 0;
                }
            }
        }
        return -1;
    };
    /**
     * Emit a named entity that was not terminated with a semicolon.
     *
     * @returns The number of characters consumed.
     */
    EntityDecoder.prototype.emitNotTerminatedNamedEntity = function () {
        var _a;
        var _b = this, result = _b.result, decodeTree = _b.decodeTree;
        var valueLength = (decodeTree[result] & BinTrieFlags.VALUE_LENGTH) >> 14;
        this.emitNamedEntityData(result, valueLength, this.consumed);
        (_a = this.errors) === null || _a === void 0 ? void 0 : _a.missingSemicolonAfterCharacterReference();
        return this.consumed;
    };
    /**
     * Emit a named entity.
     *
     * @param result The index of the entity in the decode tree.
     * @param valueLength The number of bytes in the entity.
     * @param consumed The number of characters consumed.
     *
     * @returns The number of characters consumed.
     */
    EntityDecoder.prototype.emitNamedEntityData = function (result, valueLength, consumed) {
        var decodeTree = this.decodeTree;
        this.emitCodePoint(valueLength === 1
            ? decodeTree[result] & ~BinTrieFlags.VALUE_LENGTH
            : decodeTree[result + 1], consumed);
        if (valueLength === 3) {
            // For multi-byte values, we need to emit the second byte.
            this.emitCodePoint(decodeTree[result + 2], consumed);
        }
        return consumed;
    };
    /**
     * Signal to the parser that the end of the input was reached.
     *
     * Remaining data will be emitted and relevant errors will be produced.
     *
     * @returns The number of characters consumed.
     */
    EntityDecoder.prototype.end = function () {
        var _a;
        switch (this.state) {
            case EntityDecoderState.NamedEntity: {
                // Emit a named entity if we have one.
                return this.result !== 0 &&
                    (this.decodeMode !== DecodingMode.Attribute ||
                        this.result === this.treeIndex)
                    ? this.emitNotTerminatedNamedEntity()
                    : 0;
            }
            // Otherwise, emit a numeric entity if we have one.
            case EntityDecoderState.NumericDecimal: {
                return this.emitNumericEntity(0, 2);
            }
            case EntityDecoderState.NumericHex: {
                return this.emitNumericEntity(0, 3);
            }
            case EntityDecoderState.NumericStart: {
                (_a = this.errors) === null || _a === void 0 ? void 0 : _a.absenceOfDigitsInNumericCharacterReference(this.consumed);
                return 0;
            }
            case EntityDecoderState.EntityStart: {
                // Return 0 if we have no entity.
                return 0;
            }
        }
    };
    return EntityDecoder;
}());
exports.EntityDecoder = EntityDecoder;
/**
 * Creates a function that decodes entities in a string.
 *
 * @param decodeTree The decode tree.
 * @returns A function that decodes entities in a string.
 */
function getDecoder(decodeTree) {
    var ret = "";
    var decoder = new EntityDecoder(decodeTree, function (str) { return (ret += (0, decode_codepoint_js_1.fromCodePoint)(str)); });
    return function decodeWithTrie(str, decodeMode) {
        var lastIndex = 0;
        var offset = 0;
        while ((offset = str.indexOf("&", offset)) >= 0) {
            ret += str.slice(lastIndex, offset);
            decoder.startEntity(decodeMode);
            var len = decoder.write(str, 
            // Skip the "&"
            offset + 1);
            if (len < 0) {
                lastIndex = offset + decoder.end();
                break;
            }
            lastIndex = offset + len;
            // If `len` is 0, skip the current `&` and continue.
            offset = len === 0 ? lastIndex + 1 : lastIndex;
        }
        var result = ret + str.slice(lastIndex);
        // Make sure we don't keep a reference to the final string.
        ret = "";
        return result;
    };
}
/**
 * Determines the branch of the current node that is taken given the current
 * character. This function is used to traverse the trie.
 *
 * @param decodeTree The trie.
 * @param current The current node.
 * @param nodeIdx The index right after the current node and its value.
 * @param char The current character.
 * @returns The index of the next node, or -1 if no branch is taken.
 */
function determineBranch(decodeTree, current, nodeIdx, char) {
    var branchCount = (current & BinTrieFlags.BRANCH_LENGTH) >> 7;
    var jumpOffset = current & BinTrieFlags.JUMP_TABLE;
    // Case 1: Single branch encoded in jump offset
    if (branchCount === 0) {
        return jumpOffset !== 0 && char === jumpOffset ? nodeIdx : -1;
    }
    // Case 2: Multiple branches encoded in jump table
    if (jumpOffset) {
        var value = char - jumpOffset;
        return value < 0 || value >= branchCount
            ? -1
            : decodeTree[nodeIdx + value] - 1;
    }
    // Case 3: Multiple branches encoded in dictionary
    // Binary search for the character.
    var lo = nodeIdx;
    var hi = lo + branchCount - 1;
    while (lo <= hi) {
        var mid = (lo + hi) >>> 1;
        var midVal = decodeTree[mid];
        if (midVal < char) {
            lo = mid + 1;
        }
        else if (midVal > char) {
            hi = mid - 1;
        }
        else {
            return decodeTree[mid + branchCount];
        }
    }
    return -1;
}
exports.determineBranch = determineBranch;
var htmlDecoder = getDecoder(decode_data_html_js_1.default);
var xmlDecoder = getDecoder(decode_data_xml_js_1.default);
/**
 * Decodes an HTML string.
 *
 * @param str The string to decode.
 * @param mode The decoding mode.
 * @returns The decoded string.
 */
function decodeHTML(str, mode) {
    if (mode === void 0) { mode = DecodingMode.Legacy; }
    return htmlDecoder(str, mode);
}
exports.decodeHTML = decodeHTML;
/**
 * Decodes an HTML string in an attribute.
 *
 * @param str The string to decode.
 * @returns The decoded string.
 */
function decodeHTMLAttribute(str) {
    return htmlDecoder(str, DecodingMode.Attribute);
}
exports.decodeHTMLAttribute = decodeHTMLAttribute;
/**
 * Decodes an HTML string, requiring all entities to be terminated by a semicolon.
 *
 * @param str The string to decode.
 * @returns The decoded string.
 */
function decodeHTMLStrict(str) {
    return htmlDecoder(str, DecodingMode.Strict);
}
exports.decodeHTMLStrict = decodeHTMLStrict;
/**
 * Decodes an XML string, requiring all entities to be terminated by a semicolon.
 *
 * @param str The string to decode.
 * @returns The decoded string.
 */
function decodeXML(str) {
    return xmlDecoder(str, DecodingMode.Strict);
}
exports.decodeXML = decodeXML;

},{"./decode_codepoint.js":19,"./generated/decode-data-html.js":22,"./generated/decode-data-xml.js":23}],19:[function(require,module,exports){
"use strict";
// Adapted from https://github.com/mathiasbynens/he/blob/36afe179392226cf1b6ccdb16ebbb7a5a844d93a/src/he.js#L106-L134
var _a;
Object.defineProperty(exports, "__esModule", { value: true });
exports.replaceCodePoint = exports.fromCodePoint = void 0;
var decodeMap = new Map([
    [0, 65533],
    // C1 Unicode control character reference replacements
    [128, 8364],
    [130, 8218],
    [131, 402],
    [132, 8222],
    [133, 8230],
    [134, 8224],
    [135, 8225],
    [136, 710],
    [137, 8240],
    [138, 352],
    [139, 8249],
    [140, 338],
    [142, 381],
    [145, 8216],
    [146, 8217],
    [147, 8220],
    [148, 8221],
    [149, 8226],
    [150, 8211],
    [151, 8212],
    [152, 732],
    [153, 8482],
    [154, 353],
    [155, 8250],
    [156, 339],
    [158, 382],
    [159, 376],
]);
/**
 * Polyfill for `String.fromCodePoint`. It is used to create a string from a Unicode code point.
 */
exports.fromCodePoint = 
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition, node/no-unsupported-features/es-builtins
(_a = String.fromCodePoint) !== null && _a !== void 0 ? _a : function (codePoint) {
    var output = "";
    if (codePoint > 0xffff) {
        codePoint -= 0x10000;
        output += String.fromCharCode(((codePoint >>> 10) & 0x3ff) | 0xd800);
        codePoint = 0xdc00 | (codePoint & 0x3ff);
    }
    output += String.fromCharCode(codePoint);
    return output;
};
/**
 * Replace the given code point with a replacement character if it is a
 * surrogate or is outside the valid range. Otherwise return the code
 * point unchanged.
 */
function replaceCodePoint(codePoint) {
    var _a;
    if ((codePoint >= 0xd800 && codePoint <= 0xdfff) || codePoint > 0x10ffff) {
        return 0xfffd;
    }
    return (_a = decodeMap.get(codePoint)) !== null && _a !== void 0 ? _a : codePoint;
}
exports.replaceCodePoint = replaceCodePoint;
/**
 * Replace the code point if relevant, then convert it to a string.
 *
 * @deprecated Use `fromCodePoint(replaceCodePoint(codePoint))` instead.
 * @param codePoint The code point to decode.
 * @returns The decoded code point.
 */
function decodeCodePoint(codePoint) {
    return (0, exports.fromCodePoint)(replaceCodePoint(codePoint));
}
exports.default = decodeCodePoint;

},{}],20:[function(require,module,exports){
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.encodeNonAsciiHTML = exports.encodeHTML = void 0;
var encode_html_js_1 = __importDefault(require("./generated/encode-html.js"));
var escape_js_1 = require("./escape.js");
var htmlReplacer = /[\t\n!-,./:-@[-`\f{-}$\x80-\uFFFF]/g;
/**
 * Encodes all characters in the input using HTML entities. This includes
 * characters that are valid ASCII characters in HTML documents, such as `#`.
 *
 * To get a more compact output, consider using the `encodeNonAsciiHTML`
 * function, which will only encode characters that are not valid in HTML
 * documents, as well as non-ASCII characters.
 *
 * If a character has no equivalent entity, a numeric hexadecimal reference
 * (eg. `&#xfc;`) will be used.
 */
function encodeHTML(data) {
    return encodeHTMLTrieRe(htmlReplacer, data);
}
exports.encodeHTML = encodeHTML;
/**
 * Encodes all non-ASCII characters, as well as characters not valid in HTML
 * documents using HTML entities. This function will not encode characters that
 * are valid in HTML documents, such as `#`.
 *
 * If a character has no equivalent entity, a numeric hexadecimal reference
 * (eg. `&#xfc;`) will be used.
 */
function encodeNonAsciiHTML(data) {
    return encodeHTMLTrieRe(escape_js_1.xmlReplacer, data);
}
exports.encodeNonAsciiHTML = encodeNonAsciiHTML;
function encodeHTMLTrieRe(regExp, str) {
    var ret = "";
    var lastIdx = 0;
    var match;
    while ((match = regExp.exec(str)) !== null) {
        var i = match.index;
        ret += str.substring(lastIdx, i);
        var char = str.charCodeAt(i);
        var next = encode_html_js_1.default.get(char);
        if (typeof next === "object") {
            // We are in a branch. Try to match the next char.
            if (i + 1 < str.length) {
                var nextChar = str.charCodeAt(i + 1);
                var value = typeof next.n === "number"
                    ? next.n === nextChar
                        ? next.o
                        : undefined
                    : next.n.get(nextChar);
                if (value !== undefined) {
                    ret += value;
                    lastIdx = regExp.lastIndex += 1;
                    continue;
                }
            }
            next = next.v;
        }
        // We might have a tree node without a value; skip and use a numeric entity.
        if (next !== undefined) {
            ret += next;
            lastIdx = i + 1;
        }
        else {
            var cp = (0, escape_js_1.getCodePoint)(str, i);
            ret += "&#x".concat(cp.toString(16), ";");
            // Increase by 1 if we have a surrogate pair
            lastIdx = regExp.lastIndex += Number(cp !== char);
        }
    }
    return ret + str.substr(lastIdx);
}

},{"./escape.js":21,"./generated/encode-html.js":24}],21:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.escapeText = exports.escapeAttribute = exports.escapeUTF8 = exports.escape = exports.encodeXML = exports.getCodePoint = exports.xmlReplacer = void 0;
exports.xmlReplacer = /["&'<>$\x80-\uFFFF]/g;
var xmlCodeMap = new Map([
    [34, "&quot;"],
    [38, "&amp;"],
    [39, "&apos;"],
    [60, "&lt;"],
    [62, "&gt;"],
]);
// For compatibility with node < 4, we wrap `codePointAt`
exports.getCodePoint = 
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
String.prototype.codePointAt != null
    ? function (str, index) { return str.codePointAt(index); }
    : // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
        function (c, index) {
            return (c.charCodeAt(index) & 0xfc00) === 0xd800
                ? (c.charCodeAt(index) - 0xd800) * 0x400 +
                    c.charCodeAt(index + 1) -
                    0xdc00 +
                    0x10000
                : c.charCodeAt(index);
        };
/**
 * Encodes all non-ASCII characters, as well as characters not valid in XML
 * documents using XML entities.
 *
 * If a character has no equivalent entity, a
 * numeric hexadecimal reference (eg. `&#xfc;`) will be used.
 */
function encodeXML(str) {
    var ret = "";
    var lastIdx = 0;
    var match;
    while ((match = exports.xmlReplacer.exec(str)) !== null) {
        var i = match.index;
        var char = str.charCodeAt(i);
        var next = xmlCodeMap.get(char);
        if (next !== undefined) {
            ret += str.substring(lastIdx, i) + next;
            lastIdx = i + 1;
        }
        else {
            ret += "".concat(str.substring(lastIdx, i), "&#x").concat((0, exports.getCodePoint)(str, i).toString(16), ";");
            // Increase by 1 if we have a surrogate pair
            lastIdx = exports.xmlReplacer.lastIndex += Number((char & 0xfc00) === 0xd800);
        }
    }
    return ret + str.substr(lastIdx);
}
exports.encodeXML = encodeXML;
/**
 * Encodes all non-ASCII characters, as well as characters not valid in XML
 * documents using numeric hexadecimal reference (eg. `&#xfc;`).
 *
 * Have a look at `escapeUTF8` if you want a more concise output at the expense
 * of reduced transportability.
 *
 * @param data String to escape.
 */
exports.escape = encodeXML;
/**
 * Creates a function that escapes all characters matched by the given regular
 * expression using the given map of characters to escape to their entities.
 *
 * @param regex Regular expression to match characters to escape.
 * @param map Map of characters to escape to their entities.
 *
 * @returns Function that escapes all characters matched by the given regular
 * expression using the given map of characters to escape to their entities.
 */
function getEscaper(regex, map) {
    return function escape(data) {
        var match;
        var lastIdx = 0;
        var result = "";
        while ((match = regex.exec(data))) {
            if (lastIdx !== match.index) {
                result += data.substring(lastIdx, match.index);
            }
            // We know that this character will be in the map.
            result += map.get(match[0].charCodeAt(0));
            // Every match will be of length 1
            lastIdx = match.index + 1;
        }
        return result + data.substring(lastIdx);
    };
}
/**
 * Encodes all characters not valid in XML documents using XML entities.
 *
 * Note that the output will be character-set dependent.
 *
 * @param data String to escape.
 */
exports.escapeUTF8 = getEscaper(/[&<>'"]/g, xmlCodeMap);
/**
 * Encodes all characters that have to be escaped in HTML attributes,
 * following {@link https://html.spec.whatwg.org/multipage/parsing.html#escapingString}.
 *
 * @param data String to escape.
 */
exports.escapeAttribute = getEscaper(/["&\u00A0]/g, new Map([
    [34, "&quot;"],
    [38, "&amp;"],
    [160, "&nbsp;"],
]));
/**
 * Encodes all characters that have to be escaped in HTML text,
 * following {@link https://html.spec.whatwg.org/multipage/parsing.html#escapingString}.
 *
 * @param data String to escape.
 */
exports.escapeText = getEscaper(/[&<>\u00A0]/g, new Map([
    [38, "&amp;"],
    [60, "&lt;"],
    [62, "&gt;"],
    [160, "&nbsp;"],
]));

},{}],22:[function(require,module,exports){
"use strict";
// Generated using scripts/write-decode-map.ts
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = new Uint16Array(
// prettier-ignore
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    .split("")
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},{}],23:[function(require,module,exports){
"use strict";
// Generated using scripts/write-decode-map.ts
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = new Uint16Array(
// prettier-ignore
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},{}],24:[function(require,module,exports){
"use strict";
// Generated using scripts/write-encode-map.ts
Object.defineProperty(exports, "__esModule", { value: true });
function restoreDiff(arr) {
    for (var i = 1; i < arr.length; i++) {
        arr[i][0] += arr[i - 1][0] + 1;
    }
    return arr;
}
// prettier-ignore
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},{}],25:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.decodeXMLStrict = exports.decodeHTML5Strict = exports.decodeHTML4Strict = exports.decodeHTML5 = exports.decodeHTML4 = exports.decodeHTMLAttribute = exports.decodeHTMLStrict = exports.decodeHTML = exports.decodeXML = exports.DecodingMode = exports.EntityDecoder = exports.encodeHTML5 = exports.encodeHTML4 = exports.encodeNonAsciiHTML = exports.encodeHTML = exports.escapeText = exports.escapeAttribute = exports.escapeUTF8 = exports.escape = exports.encodeXML = exports.encode = exports.decodeStrict = exports.decode = exports.EncodingMode = exports.EntityLevel = void 0;
var decode_js_1 = require("./decode.js");
var encode_js_1 = require("./encode.js");
var escape_js_1 = require("./escape.js");
/** The level of entities to support. */
var EntityLevel;
(function (EntityLevel) {
    /** Support only XML entities. */
    EntityLevel[EntityLevel["XML"] = 0] = "XML";
    /** Support HTML entities, which are a superset of XML entities. */
    EntityLevel[EntityLevel["HTML"] = 1] = "HTML";
})(EntityLevel = exports.EntityLevel || (exports.EntityLevel = {}));
var EncodingMode;
(function (EncodingMode) {
    /**
     * The output is UTF-8 encoded. Only characters that need escaping within
     * XML will be escaped.
     */
    EncodingMode[EncodingMode["UTF8"] = 0] = "UTF8";
    /**
     * The output consists only of ASCII characters. Characters that need
     * escaping within HTML, and characters that aren't ASCII characters will
     * be escaped.
     */
    EncodingMode[EncodingMode["ASCII"] = 1] = "ASCII";
    /**
     * Encode all characters that have an equivalent entity, as well as all
     * characters that are not ASCII characters.
     */
    EncodingMode[EncodingMode["Extensive"] = 2] = "Extensive";
    /**
     * Encode all characters that have to be escaped in HTML attributes,
     * following {@link https://html.spec.whatwg.org/multipage/parsing.html#escapingString}.
     */
    EncodingMode[EncodingMode["Attribute"] = 3] = "Attribute";
    /**
     * Encode all characters that have to be escaped in HTML text,
     * following {@link https://html.spec.whatwg.org/multipage/parsing.html#escapingString}.
     */
    EncodingMode[EncodingMode["Text"] = 4] = "Text";
})(EncodingMode = exports.EncodingMode || (exports.EncodingMode = {}));
/**
 * Decodes a string with entities.
 *
 * @param data String to decode.
 * @param options Decoding options.
 */
function decode(data, options) {
    if (options === void 0) { options = EntityLevel.XML; }
    var level = typeof options === "number" ? options : options.level;
    if (level === EntityLevel.HTML) {
        var mode = typeof options === "object" ? options.mode : undefined;
        return (0, decode_js_1.decodeHTML)(data, mode);
    }
    return (0, decode_js_1.decodeXML)(data);
}
exports.decode = decode;
/**
 * Decodes a string with entities. Does not allow missing trailing semicolons for entities.
 *
 * @param data String to decode.
 * @param options Decoding options.
 * @deprecated Use `decode` with the `mode` set to `Strict`.
 */
function decodeStrict(data, options) {
    var _a;
    if (options === void 0) { options = EntityLevel.XML; }
    var opts = typeof options === "number" ? { level: options } : options;
    (_a = opts.mode) !== null && _a !== void 0 ? _a : (opts.mode = decode_js_1.DecodingMode.Strict);
    return decode(data, opts);
}
exports.decodeStrict = decodeStrict;
/**
 * Encodes a string with entities.
 *
 * @param data String to encode.
 * @param options Encoding options.
 */
function encode(data, options) {
    if (options === void 0) { options = EntityLevel.XML; }
    var opts = typeof options === "number" ? { level: options } : options;
    // Mode `UTF8` just escapes XML entities
    if (opts.mode === EncodingMode.UTF8)
        return (0, escape_js_1.escapeUTF8)(data);
    if (opts.mode === EncodingMode.Attribute)
        return (0, escape_js_1.escapeAttribute)(data);
    if (opts.mode === EncodingMode.Text)
        return (0, escape_js_1.escapeText)(data);
    if (opts.level === EntityLevel.HTML) {
        if (opts.mode === EncodingMode.ASCII) {
            return (0, encode_js_1.encodeNonAsciiHTML)(data);
        }
        return (0, encode_js_1.encodeHTML)(data);
    }
    // ASCII and Extensive are equivalent
    return (0, escape_js_1.encodeXML)(data);
}
exports.encode = encode;
var escape_js_2 = require("./escape.js");
Object.defineProperty(exports, "encodeXML", { enumerable: true, get: function () { return escape_js_2.encodeXML; } });
Object.defineProperty(exports, "escape", { enumerable: true, get: function () { return escape_js_2.escape; } });
Object.defineProperty(exports, "escapeUTF8", { enumerable: true, get: function () { return escape_js_2.escapeUTF8; } });
Object.defineProperty(exports, "escapeAttribute", { enumerable: true, get: function () { return escape_js_2.escapeAttribute; } });
Object.defineProperty(exports, "escapeText", { enumerable: true, get: function () { return escape_js_2.escapeText; } });
var encode_js_2 = require("./encode.js");
Object.defineProperty(exports, "encodeHTML", { enumerable: true, get: function () { return encode_js_2.encodeHTML; } });
Object.defineProperty(exports, "encodeNonAsciiHTML", { enumerable: true, get: function () { return encode_js_2.encodeNonAsciiHTML; } });
// Legacy aliases (deprecated)
Object.defineProperty(exports, "encodeHTML4", { enumerable: true, get: function () { return encode_js_2.encodeHTML; } });
Object.defineProperty(exports, "encodeHTML5", { enumerable: true, get: function () { return encode_js_2.encodeHTML; } });
var decode_js_2 = require("./decode.js");
Object.defineProperty(exports, "EntityDecoder", { enumerable: true, get: function () { return decode_js_2.EntityDecoder; } });
Object.defineProperty(exports, "DecodingMode", { enumerable: true, get: function () { return decode_js_2.DecodingMode; } });
Object.defineProperty(exports, "decodeXML", { enumerable: true, get: function () { return decode_js_2.decodeXML; } });
Object.defineProperty(exports, "decodeHTML", { enumerable: true, get: function () { return decode_js_2.decodeHTML; } });
Object.defineProperty(exports, "decodeHTMLStrict", { enumerable: true, get: function () { return decode_js_2.decodeHTMLStrict; } });
Object.defineProperty(exports, "decodeHTMLAttribute", { enumerable: true, get: function () { return decode_js_2.decodeHTMLAttribute; } });
// Legacy aliases (deprecated)
Object.defineProperty(exports, "decodeHTML4", { enumerable: true, get: function () { return decode_js_2.decodeHTML; } });
Object.defineProperty(exports, "decodeHTML5", { enumerable: true, get: function () { return decode_js_2.decodeHTML; } });
Object.defineProperty(exports, "decodeHTML4Strict", { enumerable: true, get: function () { return decode_js_2.decodeHTMLStrict; } });
Object.defineProperty(exports, "decodeHTML5Strict", { enumerable: true, get: function () { return decode_js_2.decodeHTMLStrict; } });
Object.defineProperty(exports, "decodeXMLStrict", { enumerable: true, get: function () { return decode_js_2.decodeXML; } });

},{"./decode.js":18,"./encode.js":20,"./escape.js":21}],26:[function(require,module,exports){
'use strict';

module.exports = string => {
	if (typeof string !== 'string') {
		throw new TypeError('Expected a string');
	}

	// Escape characters with special meaning either inside or outside character sets.
	// Use a simple backslash escape when it’s always valid, and a \unnnn escape when the simpler form would be disallowed by Unicode patterns’ stricter grammar.
	return string
		.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&')
		.replace(/-/g, '\\x2d');
};

},{}],27:[function(require,module,exports){
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Parser = void 0;
var Tokenizer_js_1 = __importStar(require("./Tokenizer.js"));
var decode_js_1 = require("entities/lib/decode.js");
var formTags = new Set([
    "input",
    "option",
    "optgroup",
    "select",
    "button",
    "datalist",
    "textarea",
]);
var pTag = new Set(["p"]);
var tableSectionTags = new Set(["thead", "tbody"]);
var ddtTags = new Set(["dd", "dt"]);
var rtpTags = new Set(["rt", "rp"]);
var openImpliesClose = new Map([
    ["tr", new Set(["tr", "th", "td"])],
    ["th", new Set(["th"])],
    ["td", new Set(["thead", "th", "td"])],
    ["body", new Set(["head", "link", "script"])],
    ["li", new Set(["li"])],
    ["p", pTag],
    ["h1", pTag],
    ["h2", pTag],
    ["h3", pTag],
    ["h4", pTag],
    ["h5", pTag],
    ["h6", pTag],
    ["select", formTags],
    ["input", formTags],
    ["output", formTags],
    ["button", formTags],
    ["datalist", formTags],
    ["textarea", formTags],
    ["option", new Set(["option"])],
    ["optgroup", new Set(["optgroup", "option"])],
    ["dd", ddtTags],
    ["dt", ddtTags],
    ["address", pTag],
    ["article", pTag],
    ["aside", pTag],
    ["blockquote", pTag],
    ["details", pTag],
    ["div", pTag],
    ["dl", pTag],
    ["fieldset", pTag],
    ["figcaption", pTag],
    ["figure", pTag],
    ["footer", pTag],
    ["form", pTag],
    ["header", pTag],
    ["hr", pTag],
    ["main", pTag],
    ["nav", pTag],
    ["ol", pTag],
    ["pre", pTag],
    ["section", pTag],
    ["table", pTag],
    ["ul", pTag],
    ["rt", rtpTags],
    ["rp", rtpTags],
    ["tbody", tableSectionTags],
    ["tfoot", tableSectionTags],
]);
var voidElements = new Set([
    "area",
    "base",
    "basefont",
    "br",
    "col",
    "command",
    "embed",
    "frame",
    "hr",
    "img",
    "input",
    "isindex",
    "keygen",
    "link",
    "meta",
    "param",
    "source",
    "track",
    "wbr",
]);
var foreignContextElements = new Set(["math", "svg"]);
var htmlIntegrationElements = new Set([
    "mi",
    "mo",
    "mn",
    "ms",
    "mtext",
    "annotation-xml",
    "foreignobject",
    "desc",
    "title",
]);
var reNameEnd = /\s|\//;
var Parser = /** @class */ (function () {
    function Parser(cbs, options) {
        if (options === void 0) { options = {}; }
        var _a, _b, _c, _d, _e;
        this.options = options;
        /** The start index of the last event. */
        this.startIndex = 0;
        /** The end index of the last event. */
        this.endIndex = 0;
        /**
         * Store the start index of the current open tag,
         * so we can update the start index for attributes.
         */
        this.openTagStart = 0;
        this.tagname = "";
        this.attribname = "";
        this.attribvalue = "";
        this.attribs = null;
        this.stack = [];
        this.foreignContext = [];
        this.buffers = [];
        this.bufferOffset = 0;
        /** The index of the last written buffer. Used when resuming after a `pause()`. */
        this.writeIndex = 0;
        /** Indicates whether the parser has finished running / `.end` has been called. */
        this.ended = false;
        this.cbs = cbs !== null && cbs !== void 0 ? cbs : {};
        this.lowerCaseTagNames = (_a = options.lowerCaseTags) !== null && _a !== void 0 ? _a : !options.xmlMode;
        this.lowerCaseAttributeNames =
            (_b = options.lowerCaseAttributeNames) !== null && _b !== void 0 ? _b : !options.xmlMode;
        this.tokenizer = new ((_c = options.Tokenizer) !== null && _c !== void 0 ? _c : Tokenizer_js_1.default)(this.options, this);
        (_e = (_d = this.cbs).onparserinit) === null || _e === void 0 ? void 0 : _e.call(_d, this);
    }
    // Tokenizer event handlers
    /** @internal */
    Parser.prototype.ontext = function (start, endIndex) {
        var _a, _b;
        var data = this.getSlice(start, endIndex);
        this.endIndex = endIndex - 1;
        (_b = (_a = this.cbs).ontext) === null || _b === void 0 ? void 0 : _b.call(_a, data);
        this.startIndex = endIndex;
    };
    /** @internal */
    Parser.prototype.ontextentity = function (cp) {
        var _a, _b;
        /*
         * Entities can be emitted on the character, or directly after.
         * We use the section start here to get accurate indices.
         */
        var index = this.tokenizer.getSectionStart();
        this.endIndex = index - 1;
        (_b = (_a = this.cbs).ontext) === null || _b === void 0 ? void 0 : _b.call(_a, (0, decode_js_1.fromCodePoint)(cp));
        this.startIndex = index;
    };
    Parser.prototype.isVoidElement = function (name) {
        return !this.options.xmlMode && voidElements.has(name);
    };
    /** @internal */
    Parser.prototype.onopentagname = function (start, endIndex) {
        this.endIndex = endIndex;
        var name = this.getSlice(start, endIndex);
        if (this.lowerCaseTagNames) {
            name = name.toLowerCase();
        }
        this.emitOpenTag(name);
    };
    Parser.prototype.emitOpenTag = function (name) {
        var _a, _b, _c, _d;
        this.openTagStart = this.startIndex;
        this.tagname = name;
        var impliesClose = !this.options.xmlMode && openImpliesClose.get(name);
        if (impliesClose) {
            while (this.stack.length > 0 &&
                impliesClose.has(this.stack[this.stack.length - 1])) {
                var element = this.stack.pop();
                (_b = (_a = this.cbs).onclosetag) === null || _b === void 0 ? void 0 : _b.call(_a, element, true);
            }
        }
        if (!this.isVoidElement(name)) {
            this.stack.push(name);
            if (foreignContextElements.has(name)) {
                this.foreignContext.push(true);
            }
            else if (htmlIntegrationElements.has(name)) {
                this.foreignContext.push(false);
            }
        }
        (_d = (_c = this.cbs).onopentagname) === null || _d === void 0 ? void 0 : _d.call(_c, name);
        if (this.cbs.onopentag)
            this.attribs = {};
    };
    Parser.prototype.endOpenTag = function (isImplied) {
        var _a, _b;
        this.startIndex = this.openTagStart;
        if (this.attribs) {
            (_b = (_a = this.cbs).onopentag) === null || _b === void 0 ? void 0 : _b.call(_a, this.tagname, this.attribs, isImplied);
            this.attribs = null;
        }
        if (this.cbs.onclosetag && this.isVoidElement(this.tagname)) {
            this.cbs.onclosetag(this.tagname, true);
        }
        this.tagname = "";
    };
    /** @internal */
    Parser.prototype.onopentagend = function (endIndex) {
        this.endIndex = endIndex;
        this.endOpenTag(false);
        // Set `startIndex` for next node
        this.startIndex = endIndex + 1;
    };
    /** @internal */
    Parser.prototype.onclosetag = function (start, endIndex) {
        var _a, _b, _c, _d, _e, _f;
        this.endIndex = endIndex;
        var name = this.getSlice(start, endIndex);
        if (this.lowerCaseTagNames) {
            name = name.toLowerCase();
        }
        if (foreignContextElements.has(name) ||
            htmlIntegrationElements.has(name)) {
            this.foreignContext.pop();
        }
        if (!this.isVoidElement(name)) {
            var pos = this.stack.lastIndexOf(name);
            if (pos !== -1) {
                if (this.cbs.onclosetag) {
                    var count = this.stack.length - pos;
                    while (count--) {
                        // We know the stack has sufficient elements.
                        this.cbs.onclosetag(this.stack.pop(), count !== 0);
                    }
                }
                else
                    this.stack.length = pos;
            }
            else if (!this.options.xmlMode && name === "p") {
                // Implicit open before close
                this.emitOpenTag("p");
                this.closeCurrentTag(true);
            }
        }
        else if (!this.options.xmlMode && name === "br") {
            // We can't use `emitOpenTag` for implicit open, as `br` would be implicitly closed.
            (_b = (_a = this.cbs).onopentagname) === null || _b === void 0 ? void 0 : _b.call(_a, "br");
            (_d = (_c = this.cbs).onopentag) === null || _d === void 0 ? void 0 : _d.call(_c, "br", {}, true);
            (_f = (_e = this.cbs).onclosetag) === null || _f === void 0 ? void 0 : _f.call(_e, "br", false);
        }
        // Set `startIndex` for next node
        this.startIndex = endIndex + 1;
    };
    /** @internal */
    Parser.prototype.onselfclosingtag = function (endIndex) {
        this.endIndex = endIndex;
        if (this.options.xmlMode ||
            this.options.recognizeSelfClosing ||
            this.foreignContext[this.foreignContext.length - 1]) {
            this.closeCurrentTag(false);
            // Set `startIndex` for next node
            this.startIndex = endIndex + 1;
        }
        else {
            // Ignore the fact that the tag is self-closing.
            this.onopentagend(endIndex);
        }
    };
    Parser.prototype.closeCurrentTag = function (isOpenImplied) {
        var _a, _b;
        var name = this.tagname;
        this.endOpenTag(isOpenImplied);
        // Self-closing tags will be on the top of the stack
        if (this.stack[this.stack.length - 1] === name) {
            // If the opening tag isn't implied, the closing tag has to be implied.
            (_b = (_a = this.cbs).onclosetag) === null || _b === void 0 ? void 0 : _b.call(_a, name, !isOpenImplied);
            this.stack.pop();
        }
    };
    /** @internal */
    Parser.prototype.onattribname = function (start, endIndex) {
        this.startIndex = start;
        var name = this.getSlice(start, endIndex);
        this.attribname = this.lowerCaseAttributeNames
            ? name.toLowerCase()
            : name;
    };
    /** @internal */
    Parser.prototype.onattribdata = function (start, endIndex) {
        this.attribvalue += this.getSlice(start, endIndex);
    };
    /** @internal */
    Parser.prototype.onattribentity = function (cp) {
        this.attribvalue += (0, decode_js_1.fromCodePoint)(cp);
    };
    /** @internal */
    Parser.prototype.onattribend = function (quote, endIndex) {
        var _a, _b;
        this.endIndex = endIndex;
        (_b = (_a = this.cbs).onattribute) === null || _b === void 0 ? void 0 : _b.call(_a, this.attribname, this.attribvalue, quote === Tokenizer_js_1.QuoteType.Double
            ? '"'
            : quote === Tokenizer_js_1.QuoteType.Single
                ? "'"
                : quote === Tokenizer_js_1.QuoteType.NoValue
                    ? undefined
                    : null);
        if (this.attribs &&
            !Object.prototype.hasOwnProperty.call(this.attribs, this.attribname)) {
            this.attribs[this.attribname] = this.attribvalue;
        }
        this.attribvalue = "";
    };
    Parser.prototype.getInstructionName = function (value) {
        var index = value.search(reNameEnd);
        var name = index < 0 ? value : value.substr(0, index);
        if (this.lowerCaseTagNames) {
            name = name.toLowerCase();
        }
        return name;
    };
    /** @internal */
    Parser.prototype.ondeclaration = function (start, endIndex) {
        this.endIndex = endIndex;
        var value = this.getSlice(start, endIndex);
        if (this.cbs.onprocessinginstruction) {
            var name = this.getInstructionName(value);
            this.cbs.onprocessinginstruction("!".concat(name), "!".concat(value));
        }
        // Set `startIndex` for next node
        this.startIndex = endIndex + 1;
    };
    /** @internal */
    Parser.prototype.onprocessinginstruction = function (start, endIndex) {
        this.endIndex = endIndex;
        var value = this.getSlice(start, endIndex);
        if (this.cbs.onprocessinginstruction) {
            var name = this.getInstructionName(value);
            this.cbs.onprocessinginstruction("?".concat(name), "?".concat(value));
        }
        // Set `startIndex` for next node
        this.startIndex = endIndex + 1;
    };
    /** @internal */
    Parser.prototype.oncomment = function (start, endIndex, offset) {
        var _a, _b, _c, _d;
        this.endIndex = endIndex;
        (_b = (_a = this.cbs).oncomment) === null || _b === void 0 ? void 0 : _b.call(_a, this.getSlice(start, endIndex - offset));
        (_d = (_c = this.cbs).oncommentend) === null || _d === void 0 ? void 0 : _d.call(_c);
        // Set `startIndex` for next node
        this.startIndex = endIndex + 1;
    };
    /** @internal */
    Parser.prototype.oncdata = function (start, endIndex, offset) {
        var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k;
        this.endIndex = endIndex;
        var value = this.getSlice(start, endIndex - offset);
        if (this.options.xmlMode || this.options.recognizeCDATA) {
            (_b = (_a = this.cbs).oncdatastart) === null || _b === void 0 ? void 0 : _b.call(_a);
            (_d = (_c = this.cbs).ontext) === null || _d === void 0 ? void 0 : _d.call(_c, value);
            (_f = (_e = this.cbs).oncdataend) === null || _f === void 0 ? void 0 : _f.call(_e);
        }
        else {
            (_h = (_g = this.cbs).oncomment) === null || _h === void 0 ? void 0 : _h.call(_g, "[CDATA[".concat(value, "]]"));
            (_k = (_j = this.cbs).oncommentend) === null || _k === void 0 ? void 0 : _k.call(_j);
        }
        // Set `startIndex` for next node
        this.startIndex = endIndex + 1;
    };
    /** @internal */
    Parser.prototype.onend = function () {
        var _a, _b;
        if (this.cbs.onclosetag) {
            // Set the end index for all remaining tags
            this.endIndex = this.startIndex;
            for (var index = this.stack.length; index > 0; this.cbs.onclosetag(this.stack[--index], true))
                ;
        }
        (_b = (_a = this.cbs).onend) === null || _b === void 0 ? void 0 : _b.call(_a);
    };
    /**
     * Resets the parser to a blank state, ready to parse a new HTML document
     */
    Parser.prototype.reset = function () {
        var _a, _b, _c, _d;
        (_b = (_a = this.cbs).onreset) === null || _b === void 0 ? void 0 : _b.call(_a);
        this.tokenizer.reset();
        this.tagname = "";
        this.attribname = "";
        this.attribs = null;
        this.stack.length = 0;
        this.startIndex = 0;
        this.endIndex = 0;
        (_d = (_c = this.cbs).onparserinit) === null || _d === void 0 ? void 0 : _d.call(_c, this);
        this.buffers.length = 0;
        this.bufferOffset = 0;
        this.writeIndex = 0;
        this.ended = false;
    };
    /**
     * Resets the parser, then parses a complete document and
     * pushes it to the handler.
     *
     * @param data Document to parse.
     */
    Parser.prototype.parseComplete = function (data) {
        this.reset();
        this.end(data);
    };
    Parser.prototype.getSlice = function (start, end) {
        while (start - this.bufferOffset >= this.buffers[0].length) {
            this.shiftBuffer();
        }
        var slice = this.buffers[0].slice(start - this.bufferOffset, end - this.bufferOffset);
        while (end - this.bufferOffset > this.buffers[0].length) {
            this.shiftBuffer();
            slice += this.buffers[0].slice(0, end - this.bufferOffset);
        }
        return slice;
    };
    Parser.prototype.shiftBuffer = function () {
        this.bufferOffset += this.buffers[0].length;
        this.writeIndex--;
        this.buffers.shift();
    };
    /**
     * Parses a chunk of data and calls the corresponding callbacks.
     *
     * @param chunk Chunk to parse.
     */
    Parser.prototype.write = function (chunk) {
        var _a, _b;
        if (this.ended) {
            (_b = (_a = this.cbs).onerror) === null || _b === void 0 ? void 0 : _b.call(_a, new Error(".write() after done!"));
            return;
        }
        this.buffers.push(chunk);
        if (this.tokenizer.running) {
            this.tokenizer.write(chunk);
            this.writeIndex++;
        }
    };
    /**
     * Parses the end of the buffer and clears the stack, calls onend.
     *
     * @param chunk Optional final chunk to parse.
     */
    Parser.prototype.end = function (chunk) {
        var _a, _b;
        if (this.ended) {
            (_b = (_a = this.cbs).onerror) === null || _b === void 0 ? void 0 : _b.call(_a, new Error(".end() after done!"));
            return;
        }
        if (chunk)
            this.write(chunk);
        this.ended = true;
        this.tokenizer.end();
    };
    /**
     * Pauses parsing. The parser won't emit events until `resume` is called.
     */
    Parser.prototype.pause = function () {
        this.tokenizer.pause();
    };
    /**
     * Resumes parsing after `pause` was called.
     */
    Parser.prototype.resume = function () {
        this.tokenizer.resume();
        while (this.tokenizer.running &&
            this.writeIndex < this.buffers.length) {
            this.tokenizer.write(this.buffers[this.writeIndex++]);
        }
        if (this.ended)
            this.tokenizer.end();
    };
    /**
     * Alias of `write`, for backwards compatibility.
     *
     * @param chunk Chunk to parse.
     * @deprecated
     */
    Parser.prototype.parseChunk = function (chunk) {
        this.write(chunk);
    };
    /**
     * Alias of `end`, for backwards compatibility.
     *
     * @param chunk Optional final chunk to parse.
     * @deprecated
     */
    Parser.prototype.done = function (chunk) {
        this.end(chunk);
    };
    return Parser;
}());
exports.Parser = Parser;

},{"./Tokenizer.js":28,"entities/lib/decode.js":18}],28:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.QuoteType = void 0;
var decode_js_1 = require("entities/lib/decode.js");
var CharCodes;
(function (CharCodes) {
    CharCodes[CharCodes["Tab"] = 9] = "Tab";
    CharCodes[CharCodes["NewLine"] = 10] = "NewLine";
    CharCodes[CharCodes["FormFeed"] = 12] = "FormFeed";
    CharCodes[CharCodes["CarriageReturn"] = 13] = "CarriageReturn";
    CharCodes[CharCodes["Space"] = 32] = "Space";
    CharCodes[CharCodes["ExclamationMark"] = 33] = "ExclamationMark";
    CharCodes[CharCodes["Number"] = 35] = "Number";
    CharCodes[CharCodes["Amp"] = 38] = "Amp";
    CharCodes[CharCodes["SingleQuote"] = 39] = "SingleQuote";
    CharCodes[CharCodes["DoubleQuote"] = 34] = "DoubleQuote";
    CharCodes[CharCodes["Dash"] = 45] = "Dash";
    CharCodes[CharCodes["Slash"] = 47] = "Slash";
    CharCodes[CharCodes["Zero"] = 48] = "Zero";
    CharCodes[CharCodes["Nine"] = 57] = "Nine";
    CharCodes[CharCodes["Semi"] = 59] = "Semi";
    CharCodes[CharCodes["Lt"] = 60] = "Lt";
    CharCodes[CharCodes["Eq"] = 61] = "Eq";
    CharCodes[CharCodes["Gt"] = 62] = "Gt";
    CharCodes[CharCodes["Questionmark"] = 63] = "Questionmark";
    CharCodes[CharCodes["UpperA"] = 65] = "UpperA";
    CharCodes[CharCodes["LowerA"] = 97] = "LowerA";
    CharCodes[CharCodes["UpperF"] = 70] = "UpperF";
    CharCodes[CharCodes["LowerF"] = 102] = "LowerF";
    CharCodes[CharCodes["UpperZ"] = 90] = "UpperZ";
    CharCodes[CharCodes["LowerZ"] = 122] = "LowerZ";
    CharCodes[CharCodes["LowerX"] = 120] = "LowerX";
    CharCodes[CharCodes["OpeningSquareBracket"] = 91] = "OpeningSquareBracket";
})(CharCodes || (CharCodes = {}));
/** All the states the tokenizer can be in. */
var State;
(function (State) {
    State[State["Text"] = 1] = "Text";
    State[State["BeforeTagName"] = 2] = "BeforeTagName";
    State[State["InTagName"] = 3] = "InTagName";
    State[State["InSelfClosingTag"] = 4] = "InSelfClosingTag";
    State[State["BeforeClosingTagName"] = 5] = "BeforeClosingTagName";
    State[State["InClosingTagName"] = 6] = "InClosingTagName";
    State[State["AfterClosingTagName"] = 7] = "AfterClosingTagName";
    // Attributes
    State[State["BeforeAttributeName"] = 8] = "BeforeAttributeName";
    State[State["InAttributeName"] = 9] = "InAttributeName";
    State[State["AfterAttributeName"] = 10] = "AfterAttributeName";
    State[State["BeforeAttributeValue"] = 11] = "BeforeAttributeValue";
    State[State["InAttributeValueDq"] = 12] = "InAttributeValueDq";
    State[State["InAttributeValueSq"] = 13] = "InAttributeValueSq";
    State[State["InAttributeValueNq"] = 14] = "InAttributeValueNq";
    // Declarations
    State[State["BeforeDeclaration"] = 15] = "BeforeDeclaration";
    State[State["InDeclaration"] = 16] = "InDeclaration";
    // Processing instructions
    State[State["InProcessingInstruction"] = 17] = "InProcessingInstruction";
    // Comments & CDATA
    State[State["BeforeComment"] = 18] = "BeforeComment";
    State[State["CDATASequence"] = 19] = "CDATASequence";
    State[State["InSpecialComment"] = 20] = "InSpecialComment";
    State[State["InCommentLike"] = 21] = "InCommentLike";
    // Special tags
    State[State["BeforeSpecialS"] = 22] = "BeforeSpecialS";
    State[State["SpecialStartSequence"] = 23] = "SpecialStartSequence";
    State[State["InSpecialTag"] = 24] = "InSpecialTag";
    State[State["BeforeEntity"] = 25] = "BeforeEntity";
    State[State["BeforeNumericEntity"] = 26] = "BeforeNumericEntity";
    State[State["InNamedEntity"] = 27] = "InNamedEntity";
    State[State["InNumericEntity"] = 28] = "InNumericEntity";
    State[State["InHexEntity"] = 29] = "InHexEntity";
})(State || (State = {}));
function isWhitespace(c) {
    return (c === CharCodes.Space ||
        c === CharCodes.NewLine ||
        c === CharCodes.Tab ||
        c === CharCodes.FormFeed ||
        c === CharCodes.CarriageReturn);
}
function isEndOfTagSection(c) {
    return c === CharCodes.Slash || c === CharCodes.Gt || isWhitespace(c);
}
function isNumber(c) {
    return c >= CharCodes.Zero && c <= CharCodes.Nine;
}
function isASCIIAlpha(c) {
    return ((c >= CharCodes.LowerA && c <= CharCodes.LowerZ) ||
        (c >= CharCodes.UpperA && c <= CharCodes.UpperZ));
}
function isHexDigit(c) {
    return ((c >= CharCodes.UpperA && c <= CharCodes.UpperF) ||
        (c >= CharCodes.LowerA && c <= CharCodes.LowerF));
}
var QuoteType;
(function (QuoteType) {
    QuoteType[QuoteType["NoValue"] = 0] = "NoValue";
    QuoteType[QuoteType["Unquoted"] = 1] = "Unquoted";
    QuoteType[QuoteType["Single"] = 2] = "Single";
    QuoteType[QuoteType["Double"] = 3] = "Double";
})(QuoteType = exports.QuoteType || (exports.QuoteType = {}));
/**
 * Sequences used to match longer strings.
 *
 * We don't have `Script`, `Style`, or `Title` here. Instead, we re-use the *End
 * sequences with an increased offset.
 */
var Sequences = {
    Cdata: new Uint8Array([0x43, 0x44, 0x41, 0x54, 0x41, 0x5b]),
    CdataEnd: new Uint8Array([0x5d, 0x5d, 0x3e]),
    CommentEnd: new Uint8Array([0x2d, 0x2d, 0x3e]),
    ScriptEnd: new Uint8Array([0x3c, 0x2f, 0x73, 0x63, 0x72, 0x69, 0x70, 0x74]),
    StyleEnd: new Uint8Array([0x3c, 0x2f, 0x73, 0x74, 0x79, 0x6c, 0x65]),
    TitleEnd: new Uint8Array([0x3c, 0x2f, 0x74, 0x69, 0x74, 0x6c, 0x65]), // `</title`
};
var Tokenizer = /** @class */ (function () {
    function Tokenizer(_a, cbs) {
        var _b = _a.xmlMode, xmlMode = _b === void 0 ? false : _b, _c = _a.decodeEntities, decodeEntities = _c === void 0 ? true : _c;
        this.cbs = cbs;
        /** The current state the tokenizer is in. */
        this.state = State.Text;
        /** The read buffer. */
        this.buffer = "";
        /** The beginning of the section that is currently being read. */
        this.sectionStart = 0;
        /** The index within the buffer that we are currently looking at. */
        this.index = 0;
        /** Some behavior, eg. when decoding entities, is done while we are in another state. This keeps track of the other state type. */
        this.baseState = State.Text;
        /** For special parsing behavior inside of script and style tags. */
        this.isSpecial = false;
        /** Indicates whether the tokenizer has been paused. */
        this.running = true;
        /** The offset of the current buffer. */
        this.offset = 0;
        this.currentSequence = undefined;
        this.sequenceIndex = 0;
        this.trieIndex = 0;
        this.trieCurrent = 0;
        /** For named entities, the index of the value. For numeric entities, the code point. */
        this.entityResult = 0;
        this.entityExcess = 0;
        this.xmlMode = xmlMode;
        this.decodeEntities = decodeEntities;
        this.entityTrie = xmlMode ? decode_js_1.xmlDecodeTree : decode_js_1.htmlDecodeTree;
    }
    Tokenizer.prototype.reset = function () {
        this.state = State.Text;
        this.buffer = "";
        this.sectionStart = 0;
        this.index = 0;
        this.baseState = State.Text;
        this.currentSequence = undefined;
        this.running = true;
        this.offset = 0;
    };
    Tokenizer.prototype.write = function (chunk) {
        this.offset += this.buffer.length;
        this.buffer = chunk;
        this.parse();
    };
    Tokenizer.prototype.end = function () {
        if (this.running)
            this.finish();
    };
    Tokenizer.prototype.pause = function () {
        this.running = false;
    };
    Tokenizer.prototype.resume = function () {
        this.running = true;
        if (this.index < this.buffer.length + this.offset) {
            this.parse();
        }
    };
    /**
     * The current index within all of the written data.
     */
    Tokenizer.prototype.getIndex = function () {
        return this.index;
    };
    /**
     * The start of the current section.
     */
    Tokenizer.prototype.getSectionStart = function () {
        return this.sectionStart;
    };
    Tokenizer.prototype.stateText = function (c) {
        if (c === CharCodes.Lt ||
            (!this.decodeEntities && this.fastForwardTo(CharCodes.Lt))) {
            if (this.index > this.sectionStart) {
                this.cbs.ontext(this.sectionStart, this.index);
            }
            this.state = State.BeforeTagName;
            this.sectionStart = this.index;
        }
        else if (this.decodeEntities && c === CharCodes.Amp) {
            this.state = State.BeforeEntity;
        }
    };
    Tokenizer.prototype.stateSpecialStartSequence = function (c) {
        var isEnd = this.sequenceIndex === this.currentSequence.length;
        var isMatch = isEnd
            ? // If we are at the end of the sequence, make sure the tag name has ended
                isEndOfTagSection(c)
            : // Otherwise, do a case-insensitive comparison
                (c | 0x20) === this.currentSequence[this.sequenceIndex];
        if (!isMatch) {
            this.isSpecial = false;
        }
        else if (!isEnd) {
            this.sequenceIndex++;
            return;
        }
        this.sequenceIndex = 0;
        this.state = State.InTagName;
        this.stateInTagName(c);
    };
    /** Look for an end tag. For <title> tags, also decode entities. */
    Tokenizer.prototype.stateInSpecialTag = function (c) {
        if (this.sequenceIndex === this.currentSequence.length) {
            if (c === CharCodes.Gt || isWhitespace(c)) {
                var endOfText = this.index - this.currentSequence.length;
                if (this.sectionStart < endOfText) {
                    // Spoof the index so that reported locations match up.
                    var actualIndex = this.index;
                    this.index = endOfText;
                    this.cbs.ontext(this.sectionStart, endOfText);
                    this.index = actualIndex;
                }
                this.isSpecial = false;
                this.sectionStart = endOfText + 2; // Skip over the `</`
                this.stateInClosingTagName(c);
                return; // We are done; skip the rest of the function.
            }
            this.sequenceIndex = 0;
        }
        if ((c | 0x20) === this.currentSequence[this.sequenceIndex]) {
            this.sequenceIndex += 1;
        }
        else if (this.sequenceIndex === 0) {
            if (this.currentSequence === Sequences.TitleEnd) {
                // We have to parse entities in <title> tags.
                if (this.decodeEntities && c === CharCodes.Amp) {
                    this.state = State.BeforeEntity;
                }
            }
            else if (this.fastForwardTo(CharCodes.Lt)) {
                // Outside of <title> tags, we can fast-forward.
                this.sequenceIndex = 1;
            }
        }
        else {
            // If we see a `<`, set the sequence index to 1; useful for eg. `<</script>`.
            this.sequenceIndex = Number(c === CharCodes.Lt);
        }
    };
    Tokenizer.prototype.stateCDATASequence = function (c) {
        if (c === Sequences.Cdata[this.sequenceIndex]) {
            if (++this.sequenceIndex === Sequences.Cdata.length) {
                this.state = State.InCommentLike;
                this.currentSequence = Sequences.CdataEnd;
                this.sequenceIndex = 0;
                this.sectionStart = this.index + 1;
            }
        }
        else {
            this.sequenceIndex = 0;
            this.state = State.InDeclaration;
            this.stateInDeclaration(c); // Reconsume the character
        }
    };
    /**
     * When we wait for one specific character, we can speed things up
     * by skipping through the buffer until we find it.
     *
     * @returns Whether the character was found.
     */
    Tokenizer.prototype.fastForwardTo = function (c) {
        while (++this.index < this.buffer.length + this.offset) {
            if (this.buffer.charCodeAt(this.index - this.offset) === c) {
                return true;
            }
        }
        /*
         * We increment the index at the end of the `parse` loop,
         * so set it to `buffer.length - 1` here.
         *
         * TODO: Refactor `parse` to increment index before calling states.
         */
        this.index = this.buffer.length + this.offset - 1;
        return false;
    };
    /**
     * Comments and CDATA end with `-->` and `]]>`.
     *
     * Their common qualities are:
     * - Their end sequences have a distinct character they start with.
     * - That character is then repeated, so we have to check multiple repeats.
     * - All characters but the start character of the sequence can be skipped.
     */
    Tokenizer.prototype.stateInCommentLike = function (c) {
        if (c === this.currentSequence[this.sequenceIndex]) {
            if (++this.sequenceIndex === this.currentSequence.length) {
                if (this.currentSequence === Sequences.CdataEnd) {
                    this.cbs.oncdata(this.sectionStart, this.index, 2);
                }
                else {
                    this.cbs.oncomment(this.sectionStart, this.index, 2);
                }
                this.sequenceIndex = 0;
                this.sectionStart = this.index + 1;
                this.state = State.Text;
            }
        }
        else if (this.sequenceIndex === 0) {
            // Fast-forward to the first character of the sequence
            if (this.fastForwardTo(this.currentSequence[0])) {
                this.sequenceIndex = 1;
            }
        }
        else if (c !== this.currentSequence[this.sequenceIndex - 1]) {
            // Allow long sequences, eg. --->, ]]]>
            this.sequenceIndex = 0;
        }
    };
    /**
     * HTML only allows ASCII alpha characters (a-z and A-Z) at the beginning of a tag name.
     *
     * XML allows a lot more characters here (@see https://www.w3.org/TR/REC-xml/#NT-NameStartChar).
     * We allow anything that wouldn't end the tag.
     */
    Tokenizer.prototype.isTagStartChar = function (c) {
        return this.xmlMode ? !isEndOfTagSection(c) : isASCIIAlpha(c);
    };
    Tokenizer.prototype.startSpecial = function (sequence, offset) {
        this.isSpecial = true;
        this.currentSequence = sequence;
        this.sequenceIndex = offset;
        this.state = State.SpecialStartSequence;
    };
    Tokenizer.prototype.stateBeforeTagName = function (c) {
        if (c === CharCodes.ExclamationMark) {
            this.state = State.BeforeDeclaration;
            this.sectionStart = this.index + 1;
        }
        else if (c === CharCodes.Questionmark) {
            this.state = State.InProcessingInstruction;
            this.sectionStart = this.index + 1;
        }
        else if (this.isTagStartChar(c)) {
            var lower = c | 0x20;
            this.sectionStart = this.index;
            if (!this.xmlMode && lower === Sequences.TitleEnd[2]) {
                this.startSpecial(Sequences.TitleEnd, 3);
            }
            else {
                this.state =
                    !this.xmlMode && lower === Sequences.ScriptEnd[2]
                        ? State.BeforeSpecialS
                        : State.InTagName;
            }
        }
        else if (c === CharCodes.Slash) {
            this.state = State.BeforeClosingTagName;
        }
        else {
            this.state = State.Text;
            this.stateText(c);
        }
    };
    Tokenizer.prototype.stateInTagName = function (c) {
        if (isEndOfTagSection(c)) {
            this.cbs.onopentagname(this.sectionStart, this.index);
            this.sectionStart = -1;
            this.state = State.BeforeAttributeName;
            this.stateBeforeAttributeName(c);
        }
    };
    Tokenizer.prototype.stateBeforeClosingTagName = function (c) {
        if (isWhitespace(c)) {
            // Ignore
        }
        else if (c === CharCodes.Gt) {
            this.state = State.Text;
        }
        else {
            this.state = this.isTagStartChar(c)
                ? State.InClosingTagName
                : State.InSpecialComment;
            this.sectionStart = this.index;
        }
    };
    Tokenizer.prototype.stateInClosingTagName = function (c) {
        if (c === CharCodes.Gt || isWhitespace(c)) {
            this.cbs.onclosetag(this.sectionStart, this.index);
            this.sectionStart = -1;
            this.state = State.AfterClosingTagName;
            this.stateAfterClosingTagName(c);
        }
    };
    Tokenizer.prototype.stateAfterClosingTagName = function (c) {
        // Skip everything until ">"
        if (c === CharCodes.Gt || this.fastForwardTo(CharCodes.Gt)) {
            this.state = State.Text;
            this.baseState = State.Text;
            this.sectionStart = this.index + 1;
        }
    };
    Tokenizer.prototype.stateBeforeAttributeName = function (c) {
        if (c === CharCodes.Gt) {
            this.cbs.onopentagend(this.index);
            if (this.isSpecial) {
                this.state = State.InSpecialTag;
                this.sequenceIndex = 0;
            }
            else {
                this.state = State.Text;
            }
            this.baseState = this.state;
            this.sectionStart = this.index + 1;
        }
        else if (c === CharCodes.Slash) {
            this.state = State.InSelfClosingTag;
        }
        else if (!isWhitespace(c)) {
            this.state = State.InAttributeName;
            this.sectionStart = this.index;
        }
    };
    Tokenizer.prototype.stateInSelfClosingTag = function (c) {
        if (c === CharCodes.Gt) {
            this.cbs.onselfclosingtag(this.index);
            this.state = State.Text;
            this.baseState = State.Text;
            this.sectionStart = this.index + 1;
            this.isSpecial = false; // Reset special state, in case of self-closing special tags
        }
        else if (!isWhitespace(c)) {
            this.state = State.BeforeAttributeName;
            this.stateBeforeAttributeName(c);
        }
    };
    Tokenizer.prototype.stateInAttributeName = function (c) {
        if (c === CharCodes.Eq || isEndOfTagSection(c)) {
            this.cbs.onattribname(this.sectionStart, this.index);
            this.sectionStart = -1;
            this.state = State.AfterAttributeName;
            this.stateAfterAttributeName(c);
        }
    };
    Tokenizer.prototype.stateAfterAttributeName = function (c) {
        if (c === CharCodes.Eq) {
            this.state = State.BeforeAttributeValue;
        }
        else if (c === CharCodes.Slash || c === CharCodes.Gt) {
            this.cbs.onattribend(QuoteType.NoValue, this.index);
            this.state = State.BeforeAttributeName;
            this.stateBeforeAttributeName(c);
        }
        else if (!isWhitespace(c)) {
            this.cbs.onattribend(QuoteType.NoValue, this.index);
            this.state = State.InAttributeName;
            this.sectionStart = this.index;
        }
    };
    Tokenizer.prototype.stateBeforeAttributeValue = function (c) {
        if (c === CharCodes.DoubleQuote) {
            this.state = State.InAttributeValueDq;
            this.sectionStart = this.index + 1;
        }
        else if (c === CharCodes.SingleQuote) {
            this.state = State.InAttributeValueSq;
            this.sectionStart = this.index + 1;
        }
        else if (!isWhitespace(c)) {
            this.sectionStart = this.index;
            this.state = State.InAttributeValueNq;
            this.stateInAttributeValueNoQuotes(c); // Reconsume token
        }
    };
    Tokenizer.prototype.handleInAttributeValue = function (c, quote) {
        if (c === quote ||
            (!this.decodeEntities && this.fastForwardTo(quote))) {
            this.cbs.onattribdata(this.sectionStart, this.index);
            this.sectionStart = -1;
            this.cbs.onattribend(quote === CharCodes.DoubleQuote
                ? QuoteType.Double
                : QuoteType.Single, this.index);
            this.state = State.BeforeAttributeName;
        }
        else if (this.decodeEntities && c === CharCodes.Amp) {
            this.baseState = this.state;
            this.state = State.BeforeEntity;
        }
    };
    Tokenizer.prototype.stateInAttributeValueDoubleQuotes = function (c) {
        this.handleInAttributeValue(c, CharCodes.DoubleQuote);
    };
    Tokenizer.prototype.stateInAttributeValueSingleQuotes = function (c) {
        this.handleInAttributeValue(c, CharCodes.SingleQuote);
    };
    Tokenizer.prototype.stateInAttributeValueNoQuotes = function (c) {
        if (isWhitespace(c) || c === CharCodes.Gt) {
            this.cbs.onattribdata(this.sectionStart, this.index);
            this.sectionStart = -1;
            this.cbs.onattribend(QuoteType.Unquoted, this.index);
            this.state = State.BeforeAttributeName;
            this.stateBeforeAttributeName(c);
        }
        else if (this.decodeEntities && c === CharCodes.Amp) {
            this.baseState = this.state;
            this.state = State.BeforeEntity;
        }
    };
    Tokenizer.prototype.stateBeforeDeclaration = function (c) {
        if (c === CharCodes.OpeningSquareBracket) {
            this.state = State.CDATASequence;
            this.sequenceIndex = 0;
        }
        else {
            this.state =
                c === CharCodes.Dash
                    ? State.BeforeComment
                    : State.InDeclaration;
        }
    };
    Tokenizer.prototype.stateInDeclaration = function (c) {
        if (c === CharCodes.Gt || this.fastForwardTo(CharCodes.Gt)) {
            this.cbs.ondeclaration(this.sectionStart, this.index);
            this.state = State.Text;
            this.sectionStart = this.index + 1;
        }
    };
    Tokenizer.prototype.stateInProcessingInstruction = function (c) {
        if (c === CharCodes.Gt || this.fastForwardTo(CharCodes.Gt)) {
            this.cbs.onprocessinginstruction(this.sectionStart, this.index);
            this.state = State.Text;
            this.sectionStart = this.index + 1;
        }
    };
    Tokenizer.prototype.stateBeforeComment = function (c) {
        if (c === CharCodes.Dash) {
            this.state = State.InCommentLike;
            this.currentSequence = Sequences.CommentEnd;
            // Allow short comments (eg. <!-->)
            this.sequenceIndex = 2;
            this.sectionStart = this.index + 1;
        }
        else {
            this.state = State.InDeclaration;
        }
    };
    Tokenizer.prototype.stateInSpecialComment = function (c) {
        if (c === CharCodes.Gt || this.fastForwardTo(CharCodes.Gt)) {
            this.cbs.oncomment(this.sectionStart, this.index, 0);
            this.state = State.Text;
            this.sectionStart = this.index + 1;
        }
    };
    Tokenizer.prototype.stateBeforeSpecialS = function (c) {
        var lower = c | 0x20;
        if (lower === Sequences.ScriptEnd[3]) {
            this.startSpecial(Sequences.ScriptEnd, 4);
        }
        else if (lower === Sequences.StyleEnd[3]) {
            this.startSpecial(Sequences.StyleEnd, 4);
        }
        else {
            this.state = State.InTagName;
            this.stateInTagName(c); // Consume the token again
        }
    };
    Tokenizer.prototype.stateBeforeEntity = function (c) {
        // Start excess with 1 to include the '&'
        this.entityExcess = 1;
        this.entityResult = 0;
        if (c === CharCodes.Number) {
            this.state = State.BeforeNumericEntity;
        }
        else if (c === CharCodes.Amp) {
            // We have two `&` characters in a row. Stay in the current state.
        }
        else {
            this.trieIndex = 0;
            this.trieCurrent = this.entityTrie[0];
            this.state = State.InNamedEntity;
            this.stateInNamedEntity(c);
        }
    };
    Tokenizer.prototype.stateInNamedEntity = function (c) {
        this.entityExcess += 1;
        this.trieIndex = (0, decode_js_1.determineBranch)(this.entityTrie, this.trieCurrent, this.trieIndex + 1, c);
        if (this.trieIndex < 0) {
            this.emitNamedEntity();
            this.index--;
            return;
        }
        this.trieCurrent = this.entityTrie[this.trieIndex];
        var masked = this.trieCurrent & decode_js_1.BinTrieFlags.VALUE_LENGTH;
        // If the branch is a value, store it and continue
        if (masked) {
            // The mask is the number of bytes of the value, including the current byte.
            var valueLength = (masked >> 14) - 1;
            // If we have a legacy entity while parsing strictly, just skip the number of bytes
            if (!this.allowLegacyEntity() && c !== CharCodes.Semi) {
                this.trieIndex += valueLength;
            }
            else {
                // Add 1 as we have already incremented the excess
                var entityStart = this.index - this.entityExcess + 1;
                if (entityStart > this.sectionStart) {
                    this.emitPartial(this.sectionStart, entityStart);
                }
                // If this is a surrogate pair, consume the next two bytes
                this.entityResult = this.trieIndex;
                this.trieIndex += valueLength;
                this.entityExcess = 0;
                this.sectionStart = this.index + 1;
                if (valueLength === 0) {
                    this.emitNamedEntity();
                }
            }
        }
    };
    Tokenizer.prototype.emitNamedEntity = function () {
        this.state = this.baseState;
        if (this.entityResult === 0) {
            return;
        }
        var valueLength = (this.entityTrie[this.entityResult] & decode_js_1.BinTrieFlags.VALUE_LENGTH) >>
            14;
        switch (valueLength) {
            case 1: {
                this.emitCodePoint(this.entityTrie[this.entityResult] &
                    ~decode_js_1.BinTrieFlags.VALUE_LENGTH);
                break;
            }
            case 2: {
                this.emitCodePoint(this.entityTrie[this.entityResult + 1]);
                break;
            }
            case 3: {
                this.emitCodePoint(this.entityTrie[this.entityResult + 1]);
                this.emitCodePoint(this.entityTrie[this.entityResult + 2]);
            }
        }
    };
    Tokenizer.prototype.stateBeforeNumericEntity = function (c) {
        if ((c | 0x20) === CharCodes.LowerX) {
            this.entityExcess++;
            this.state = State.InHexEntity;
        }
        else {
            this.state = State.InNumericEntity;
            this.stateInNumericEntity(c);
        }
    };
    Tokenizer.prototype.emitNumericEntity = function (strict) {
        var entityStart = this.index - this.entityExcess - 1;
        var numberStart = entityStart + 2 + Number(this.state === State.InHexEntity);
        if (numberStart !== this.index) {
            // Emit leading data if any
            if (entityStart > this.sectionStart) {
                this.emitPartial(this.sectionStart, entityStart);
            }
            this.sectionStart = this.index + Number(strict);
            this.emitCodePoint((0, decode_js_1.replaceCodePoint)(this.entityResult));
        }
        this.state = this.baseState;
    };
    Tokenizer.prototype.stateInNumericEntity = function (c) {
        if (c === CharCodes.Semi) {
            this.emitNumericEntity(true);
        }
        else if (isNumber(c)) {
            this.entityResult = this.entityResult * 10 + (c - CharCodes.Zero);
            this.entityExcess++;
        }
        else {
            if (this.allowLegacyEntity()) {
                this.emitNumericEntity(false);
            }
            else {
                this.state = this.baseState;
            }
            this.index--;
        }
    };
    Tokenizer.prototype.stateInHexEntity = function (c) {
        if (c === CharCodes.Semi) {
            this.emitNumericEntity(true);
        }
        else if (isNumber(c)) {
            this.entityResult = this.entityResult * 16 + (c - CharCodes.Zero);
            this.entityExcess++;
        }
        else if (isHexDigit(c)) {
            this.entityResult =
                this.entityResult * 16 + ((c | 0x20) - CharCodes.LowerA + 10);
            this.entityExcess++;
        }
        else {
            if (this.allowLegacyEntity()) {
                this.emitNumericEntity(false);
            }
            else {
                this.state = this.baseState;
            }
            this.index--;
        }
    };
    Tokenizer.prototype.allowLegacyEntity = function () {
        return (!this.xmlMode &&
            (this.baseState === State.Text ||
                this.baseState === State.InSpecialTag));
    };
    /**
     * Remove data that has already been consumed from the buffer.
     */
    Tokenizer.prototype.cleanup = function () {
        // If we are inside of text or attributes, emit what we already have.
        if (this.running && this.sectionStart !== this.index) {
            if (this.state === State.Text ||
                (this.state === State.InSpecialTag && this.sequenceIndex === 0)) {
                this.cbs.ontext(this.sectionStart, this.index);
                this.sectionStart = this.index;
            }
            else if (this.state === State.InAttributeValueDq ||
                this.state === State.InAttributeValueSq ||
                this.state === State.InAttributeValueNq) {
                this.cbs.onattribdata(this.sectionStart, this.index);
                this.sectionStart = this.index;
            }
        }
    };
    Tokenizer.prototype.shouldContinue = function () {
        return this.index < this.buffer.length + this.offset && this.running;
    };
    /**
     * Iterates through the buffer, calling the function corresponding to the current state.
     *
     * States that are more likely to be hit are higher up, as a performance improvement.
     */
    Tokenizer.prototype.parse = function () {
        while (this.shouldContinue()) {
            var c = this.buffer.charCodeAt(this.index - this.offset);
            switch (this.state) {
                case State.Text: {
                    this.stateText(c);
                    break;
                }
                case State.SpecialStartSequence: {
                    this.stateSpecialStartSequence(c);
                    break;
                }
                case State.InSpecialTag: {
                    this.stateInSpecialTag(c);
                    break;
                }
                case State.CDATASequence: {
                    this.stateCDATASequence(c);
                    break;
                }
                case State.InAttributeValueDq: {
                    this.stateInAttributeValueDoubleQuotes(c);
                    break;
                }
                case State.InAttributeName: {
                    this.stateInAttributeName(c);
                    break;
                }
                case State.InCommentLike: {
                    this.stateInCommentLike(c);
                    break;
                }
                case State.InSpecialComment: {
                    this.stateInSpecialComment(c);
                    break;
                }
                case State.BeforeAttributeName: {
                    this.stateBeforeAttributeName(c);
                    break;
                }
                case State.InTagName: {
                    this.stateInTagName(c);
                    break;
                }
                case State.InClosingTagName: {
                    this.stateInClosingTagName(c);
                    break;
                }
                case State.BeforeTagName: {
                    this.stateBeforeTagName(c);
                    break;
                }
                case State.AfterAttributeName: {
                    this.stateAfterAttributeName(c);
                    break;
                }
                case State.InAttributeValueSq: {
                    this.stateInAttributeValueSingleQuotes(c);
                    break;
                }
                case State.BeforeAttributeValue: {
                    this.stateBeforeAttributeValue(c);
                    break;
                }
                case State.BeforeClosingTagName: {
                    this.stateBeforeClosingTagName(c);
                    break;
                }
                case State.AfterClosingTagName: {
                    this.stateAfterClosingTagName(c);
                    break;
                }
                case State.BeforeSpecialS: {
                    this.stateBeforeSpecialS(c);
                    break;
                }
                case State.InAttributeValueNq: {
                    this.stateInAttributeValueNoQuotes(c);
                    break;
                }
                case State.InSelfClosingTag: {
                    this.stateInSelfClosingTag(c);
                    break;
                }
                case State.InDeclaration: {
                    this.stateInDeclaration(c);
                    break;
                }
                case State.BeforeDeclaration: {
                    this.stateBeforeDeclaration(c);
                    break;
                }
                case State.BeforeComment: {
                    this.stateBeforeComment(c);
                    break;
                }
                case State.InProcessingInstruction: {
                    this.stateInProcessingInstruction(c);
                    break;
                }
                case State.InNamedEntity: {
                    this.stateInNamedEntity(c);
                    break;
                }
                case State.BeforeEntity: {
                    this.stateBeforeEntity(c);
                    break;
                }
                case State.InHexEntity: {
                    this.stateInHexEntity(c);
                    break;
                }
                case State.InNumericEntity: {
                    this.stateInNumericEntity(c);
                    break;
                }
                default: {
                    // `this._state === State.BeforeNumericEntity`
                    this.stateBeforeNumericEntity(c);
                }
            }
            this.index++;
        }
        this.cleanup();
    };
    Tokenizer.prototype.finish = function () {
        if (this.state === State.InNamedEntity) {
            this.emitNamedEntity();
        }
        // If there is remaining data, emit it in a reasonable way
        if (this.sectionStart < this.index) {
            this.handleTrailingData();
        }
        this.cbs.onend();
    };
    /** Handle any trailing data. */
    Tokenizer.prototype.handleTrailingData = function () {
        var endIndex = this.buffer.length + this.offset;
        if (this.state === State.InCommentLike) {
            if (this.currentSequence === Sequences.CdataEnd) {
                this.cbs.oncdata(this.sectionStart, endIndex, 0);
            }
            else {
                this.cbs.oncomment(this.sectionStart, endIndex, 0);
            }
        }
        else if (this.state === State.InNumericEntity &&
            this.allowLegacyEntity()) {
            this.emitNumericEntity(false);
            // All trailing data will have been consumed
        }
        else if (this.state === State.InHexEntity &&
            this.allowLegacyEntity()) {
            this.emitNumericEntity(false);
            // All trailing data will have been consumed
        }
        else if (this.state === State.InTagName ||
            this.state === State.BeforeAttributeName ||
            this.state === State.BeforeAttributeValue ||
            this.state === State.AfterAttributeName ||
            this.state === State.InAttributeName ||
            this.state === State.InAttributeValueSq ||
            this.state === State.InAttributeValueDq ||
            this.state === State.InAttributeValueNq ||
            this.state === State.InClosingTagName) {
            /*
             * If we are currently in an opening or closing tag, us not calling the
             * respective callback signals that the tag should be ignored.
             */
        }
        else {
            this.cbs.ontext(this.sectionStart, endIndex);
        }
    };
    Tokenizer.prototype.emitPartial = function (start, endIndex) {
        if (this.baseState !== State.Text &&
            this.baseState !== State.InSpecialTag) {
            this.cbs.onattribdata(start, endIndex);
        }
        else {
            this.cbs.ontext(start, endIndex);
        }
    };
    Tokenizer.prototype.emitCodePoint = function (cp) {
        if (this.baseState !== State.Text &&
            this.baseState !== State.InSpecialTag) {
            this.cbs.onattribentity(cp);
        }
        else {
            this.cbs.ontextentity(cp);
        }
    };
    return Tokenizer;
}());
exports.default = Tokenizer;

},{"entities/lib/decode.js":18}],29:[function(require,module,exports){
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.DomUtils = exports.parseFeed = exports.getFeed = exports.ElementType = exports.Tokenizer = exports.createDomStream = exports.parseDOM = exports.parseDocument = exports.DefaultHandler = exports.DomHandler = exports.Parser = void 0;
var Parser_js_1 = require("./Parser.js");
var Parser_js_2 = require("./Parser.js");
Object.defineProperty(exports, "Parser", { enumerable: true, get: function () { return Parser_js_2.Parser; } });
var domhandler_1 = require("domhandler");
var domhandler_2 = require("domhandler");
Object.defineProperty(exports, "DomHandler", { enumerable: true, get: function () { return domhandler_2.DomHandler; } });
// Old name for DomHandler
Object.defineProperty(exports, "DefaultHandler", { enumerable: true, get: function () { return domhandler_2.DomHandler; } });
// Helper methods
/**
 * Parses the data, returns the resulting document.
 *
 * @param data The data that should be parsed.
 * @param options Optional options for the parser and DOM builder.
 */
function parseDocument(data, options) {
    var handler = new domhandler_1.DomHandler(undefined, options);
    new Parser_js_1.Parser(handler, options).end(data);
    return handler.root;
}
exports.parseDocument = parseDocument;
/**
 * Parses data, returns an array of the root nodes.
 *
 * Note that the root nodes still have a `Document` node as their parent.
 * Use `parseDocument` to get the `Document` node instead.
 *
 * @param data The data that should be parsed.
 * @param options Optional options for the parser and DOM builder.
 * @deprecated Use `parseDocument` instead.
 */
function parseDOM(data, options) {
    return parseDocument(data, options).children;
}
exports.parseDOM = parseDOM;
/**
 * Creates a parser instance, with an attached DOM handler.
 *
 * @param callback A callback that will be called once parsing has been completed.
 * @param options Optional options for the parser and DOM builder.
 * @param elementCallback An optional callback that will be called every time a tag has been completed inside of the DOM.
 */
function createDomStream(callback, options, elementCallback) {
    var handler = new domhandler_1.DomHandler(callback, options, elementCallback);
    return new Parser_js_1.Parser(handler, options);
}
exports.createDomStream = createDomStream;
var Tokenizer_js_1 = require("./Tokenizer.js");
Object.defineProperty(exports, "Tokenizer", { enumerable: true, get: function () { return __importDefault(Tokenizer_js_1).default; } });
/*
 * All of the following exports exist for backwards-compatibility.
 * They should probably be removed eventually.
 */
exports.ElementType = __importStar(require("domelementtype"));
var domutils_1 = require("domutils");
var domutils_2 = require("domutils");
Object.defineProperty(exports, "getFeed", { enumerable: true, get: function () { return domutils_2.getFeed; } });
var parseFeedDefaultOptions = { xmlMode: true };
/**
 * Parse a feed.
 *
 * @param feed The feed that should be parsed, as a string.
 * @param options Optionally, options for parsing. When using this, you should set `xmlMode` to `true`.
 */
function parseFeed(feed, options) {
    if (options === void 0) { options = parseFeedDefaultOptions; }
    return (0, domutils_1.getFeed)(parseDOM(feed, options));
}
exports.parseFeed = parseFeed;
exports.DomUtils = __importStar(require("domutils"));

},{"./Parser.js":27,"./Tokenizer.js":28,"domelementtype":7,"domhandler":8,"domutils":12}],30:[function(require,module,exports){
/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */
exports.read = function (buffer, offset, isLE, mLen, nBytes) {
  var e, m
  var eLen = (nBytes * 8) - mLen - 1
  var eMax = (1 << eLen) - 1
  var eBias = eMax >> 1
  var nBits = -7
  var i = isLE ? (nBytes - 1) : 0
  var d = isLE ? -1 : 1
  var s = buffer[offset + i]

  i += d

  e = s & ((1 << (-nBits)) - 1)
  s >>= (-nBits)
  nBits += eLen
  for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {}

  m = e & ((1 << (-nBits)) - 1)
  e >>= (-nBits)
  nBits += mLen
  for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {}

  if (e === 0) {
    e = 1 - eBias
  } else if (e === eMax) {
    return m ? NaN : ((s ? -1 : 1) * Infinity)
  } else {
    m = m + Math.pow(2, mLen)
    e = e - eBias
  }
  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
}

exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
  var e, m, c
  var eLen = (nBytes * 8) - mLen - 1
  var eMax = (1 << eLen) - 1
  var eBias = eMax >> 1
  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
  var i = isLE ? 0 : (nBytes - 1)
  var d = isLE ? 1 : -1
  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0

  value = Math.abs(value)

  if (isNaN(value) || value === Infinity) {
    m = isNaN(value) ? 1 : 0
    e = eMax
  } else {
    e = Math.floor(Math.log(value) / Math.LN2)
    if (value * (c = Math.pow(2, -e)) < 1) {
      e--
      c *= 2
    }
    if (e + eBias >= 1) {
      value += rt / c
    } else {
      value += rt * Math.pow(2, 1 - eBias)
    }
    if (value * c >= 2) {
      e++
      c /= 2
    }

    if (e + eBias >= eMax) {
      m = 0
      e = eMax
    } else if (e + eBias >= 1) {
      m = ((value * c) - 1) * Math.pow(2, mLen)
      e = e + eBias
    } else {
      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
      e = 0
    }
  }

  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}

  e = (e << mLen) | m
  eLen += mLen
  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}

  buffer[offset + i - d] |= s * 128
}

},{}],31:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

/*!
 * is-plain-object <https://github.com/jonschlinkert/is-plain-object>
 *
 * Copyright (c) 2014-2017, Jon Schlinkert.
 * Released under the MIT License.
 */

function isObject(o) {
  return Object.prototype.toString.call(o) === '[object Object]';
}

function isPlainObject(o) {
  var ctor,prot;

  if (isObject(o) === false) return false;

  // If has modified constructor
  ctor = o.constructor;
  if (ctor === undefined) return true;

  // If has modified prototype
  prot = ctor.prototype;
  if (isObject(prot) === false) return false;

  // If constructor does not have an Object-specific method
  if (prot.hasOwnProperty('isPrototypeOf') === false) {
    return false;
  }

  // Most likely a plain Object
  return true;
}

exports.isPlainObject = isPlainObject;

},{}],32:[function(require,module,exports){
let urlAlphabet =
  'useandom-26T198340PX75pxJACKVERYMINDBUSHWOLF_GQZbfghjklqvwyzrict'
let customAlphabet = (alphabet, defaultSize = 21) => {
  return (size = defaultSize) => {
    let id = ''
    let i = size
    while (i--) {
      id += alphabet[(Math.random() * alphabet.length) | 0]
    }
    return id
  }
}
let nanoid = (size = 21) => {
  let id = ''
  let i = size
  while (i--) {
    id += urlAlphabet[(Math.random() * 64) | 0]
  }
  return id
}
module.exports = { nanoid, customAlphabet }

},{}],33:[function(require,module,exports){
/**
 * Srcset Parser
 *
 * By Alex Bell |  MIT License
 *
 * JS Parser for the string value that appears in markup <img srcset="here">
 *
 * @returns Array [{url: _, d: _, w: _, h:_}, ...]
 *
 * Based super duper closely on the reference algorithm at:
 * https://html.spec.whatwg.org/multipage/embedded-content.html#parse-a-srcset-attribute
 *
 * Most comments are copied in directly from the spec
 * (except for comments in parens).
 */

(function (root, factory) {
	if (typeof define === 'function' && define.amd) {
		// AMD. Register as an anonymous module.
		define([], factory);
	} else if (typeof module === 'object' && module.exports) {
		// Node. Does not work with strict CommonJS, but
		// only CommonJS-like environments that support module.exports,
		// like Node.
		module.exports = factory();
	} else {
		// Browser globals (root is window)
		root.parseSrcset = factory();
	}
}(this, function () {

	// 1. Let input be the value passed to this algorithm.
	return function (input) {

		// UTILITY FUNCTIONS

		// Manual is faster than RegEx
		// http://bjorn.tipling.com/state-and-regular-expressions-in-javascript
		// http://jsperf.com/whitespace-character/5
		function isSpace(c) {
			return (c === "\u0020" || // space
			c === "\u0009" || // horizontal tab
			c === "\u000A" || // new line
			c === "\u000C" || // form feed
			c === "\u000D");  // carriage return
		}

		function collectCharacters(regEx) {
			var chars,
				match = regEx.exec(input.substring(pos));
			if (match) {
				chars = match[ 0 ];
				pos += chars.length;
				return chars;
			}
		}

		var inputLength = input.length,

			// (Don't use \s, to avoid matching non-breaking space)
			regexLeadingSpaces = /^[ \t\n\r\u000c]+/,
			regexLeadingCommasOrSpaces = /^[, \t\n\r\u000c]+/,
			regexLeadingNotSpaces = /^[^ \t\n\r\u000c]+/,
			regexTrailingCommas = /[,]+$/,
			regexNonNegativeInteger = /^\d+$/,

			// ( Positive or negative or unsigned integers or decimals, without or without exponents.
			// Must include at least one digit.
			// According to spec tests any decimal point must be followed by a digit.
			// No leading plus sign is allowed.)
			// https://html.spec.whatwg.org/multipage/infrastructure.html#valid-floating-point-number
			regexFloatingPoint = /^-?(?:[0-9]+|[0-9]*\.[0-9]+)(?:[eE][+-]?[0-9]+)?$/,

			url,
			descriptors,
			currentDescriptor,
			state,
			c,

			// 2. Let position be a pointer into input, initially pointing at the start
			//    of the string.
			pos = 0,

			// 3. Let candidates be an initially empty source set.
			candidates = [];

		// 4. Splitting loop: Collect a sequence of characters that are space
		//    characters or U+002C COMMA characters. If any U+002C COMMA characters
		//    were collected, that is a parse error.
		while (true) {
			collectCharacters(regexLeadingCommasOrSpaces);

			// 5. If position is past the end of input, return candidates and abort these steps.
			if (pos >= inputLength) {
				return candidates; // (we're done, this is the sole return path)
			}

			// 6. Collect a sequence of characters that are not space characters,
			//    and let that be url.
			url = collectCharacters(regexLeadingNotSpaces);

			// 7. Let descriptors be a new empty list.
			descriptors = [];

			// 8. If url ends with a U+002C COMMA character (,), follow these substeps:
			//		(1). Remove all trailing U+002C COMMA characters from url. If this removed
			//         more than one character, that is a parse error.
			if (url.slice(-1) === ",") {
				url = url.replace(regexTrailingCommas, "");
				// (Jump ahead to step 9 to skip tokenization and just push the candidate).
				parseDescriptors();

				//	Otherwise, follow these substeps:
			} else {
				tokenize();
			} // (close else of step 8)

			// 16. Return to the step labeled splitting loop.
		} // (Close of big while loop.)

		/**
		 * Tokenizes descriptor properties prior to parsing
		 * Returns undefined.
		 */
		function tokenize() {

			// 8.1. Descriptor tokeniser: Skip whitespace
			collectCharacters(regexLeadingSpaces);

			// 8.2. Let current descriptor be the empty string.
			currentDescriptor = "";

			// 8.3. Let state be in descriptor.
			state = "in descriptor";

			while (true) {

				// 8.4. Let c be the character at position.
				c = input.charAt(pos);

				//  Do the following depending on the value of state.
				//  For the purpose of this step, "EOF" is a special character representing
				//  that position is past the end of input.

				// In descriptor
				if (state === "in descriptor") {
					// Do the following, depending on the value of c:

					// Space character
					// If current descriptor is not empty, append current descriptor to
					// descriptors and let current descriptor be the empty string.
					// Set state to after descriptor.
					if (isSpace(c)) {
						if (currentDescriptor) {
							descriptors.push(currentDescriptor);
							currentDescriptor = "";
							state = "after descriptor";
						}

						// U+002C COMMA (,)
						// Advance position to the next character in input. If current descriptor
						// is not empty, append current descriptor to descriptors. Jump to the step
						// labeled descriptor parser.
					} else if (c === ",") {
						pos += 1;
						if (currentDescriptor) {
							descriptors.push(currentDescriptor);
						}
						parseDescriptors();
						return;

						// U+0028 LEFT PARENTHESIS (()
						// Append c to current descriptor. Set state to in parens.
					} else if (c === "\u0028") {
						currentDescriptor = currentDescriptor + c;
						state = "in parens";

						// EOF
						// If current descriptor is not empty, append current descriptor to
						// descriptors. Jump to the step labeled descriptor parser.
					} else if (c === "") {
						if (currentDescriptor) {
							descriptors.push(currentDescriptor);
						}
						parseDescriptors();
						return;

						// Anything else
						// Append c to current descriptor.
					} else {
						currentDescriptor = currentDescriptor + c;
					}
					// (end "in descriptor"

					// In parens
				} else if (state === "in parens") {

					// U+0029 RIGHT PARENTHESIS ())
					// Append c to current descriptor. Set state to in descriptor.
					if (c === ")") {
						currentDescriptor = currentDescriptor + c;
						state = "in descriptor";

						// EOF
						// Append current descriptor to descriptors. Jump to the step labeled
						// descriptor parser.
					} else if (c === "") {
						descriptors.push(currentDescriptor);
						parseDescriptors();
						return;

						// Anything else
						// Append c to current descriptor.
					} else {
						currentDescriptor = currentDescriptor + c;
					}

					// After descriptor
				} else if (state === "after descriptor") {

					// Do the following, depending on the value of c:
					// Space character: Stay in this state.
					if (isSpace(c)) {

						// EOF: Jump to the step labeled descriptor parser.
					} else if (c === "") {
						parseDescriptors();
						return;

						// Anything else
						// Set state to in descriptor. Set position to the previous character in input.
					} else {
						state = "in descriptor";
						pos -= 1;

					}
				}

				// Advance position to the next character in input.
				pos += 1;

				// Repeat this step.
			} // (close while true loop)
		}

		/**
		 * Adds descriptor properties to a candidate, pushes to the candidates array
		 * @return undefined
		 */
		// Declared outside of the while loop so that it's only created once.
		function parseDescriptors() {

			// 9. Descriptor parser: Let error be no.
			var pError = false,

				// 10. Let width be absent.
				// 11. Let density be absent.
				// 12. Let future-compat-h be absent. (We're implementing it now as h)
				w, d, h, i,
				candidate = {},
				desc, lastChar, value, intVal, floatVal;

			// 13. For each descriptor in descriptors, run the appropriate set of steps
			// from the following list:
			for (i = 0 ; i < descriptors.length; i++) {
				desc = descriptors[ i ];

				lastChar = desc[ desc.length - 1 ];
				value = desc.substring(0, desc.length - 1);
				intVal = parseInt(value, 10);
				floatVal = parseFloat(value);

				// If the descriptor consists of a valid non-negative integer followed by
				// a U+0077 LATIN SMALL LETTER W character
				if (regexNonNegativeInteger.test(value) && (lastChar === "w")) {

					// If width and density are not both absent, then let error be yes.
					if (w || d) {pError = true;}

					// Apply the rules for parsing non-negative integers to the descriptor.
					// If the result is zero, let error be yes.
					// Otherwise, let width be the result.
					if (intVal === 0) {pError = true;} else {w = intVal;}

					// If the descriptor consists of a valid floating-point number followed by
					// a U+0078 LATIN SMALL LETTER X character
				} else if (regexFloatingPoint.test(value) && (lastChar === "x")) {

					// If width, density and future-compat-h are not all absent, then let error
					// be yes.
					if (w || d || h) {pError = true;}

					// Apply the rules for parsing floating-point number values to the descriptor.
					// If the result is less than zero, let error be yes. Otherwise, let density
					// be the result.
					if (floatVal < 0) {pError = true;} else {d = floatVal;}

					// If the descriptor consists of a valid non-negative integer followed by
					// a U+0068 LATIN SMALL LETTER H character
				} else if (regexNonNegativeInteger.test(value) && (lastChar === "h")) {

					// If height and density are not both absent, then let error be yes.
					if (h || d) {pError = true;}

					// Apply the rules for parsing non-negative integers to the descriptor.
					// If the result is zero, let error be yes. Otherwise, let future-compat-h
					// be the result.
					if (intVal === 0) {pError = true;} else {h = intVal;}

					// Anything else, Let error be yes.
				} else {pError = true;}
			} // (close step 13 for loop)

			// 15. If error is still no, then append a new image source to candidates whose
			// URL is url, associated with a width width if not absent and a pixel
			// density density if not absent. Otherwise, there is a parse error.
			if (!pError) {
				candidate.url = url;
				if (w) { candidate.w = w;}
				if (d) { candidate.d = d;}
				if (h) { candidate.h = h;}
				candidates.push(candidate);
			} else if (console && console.log) {
				console.log("Invalid srcset descriptor found in '" +
					input + "' at '" + desc + "'.");
			}
		} // (close parseDescriptors fn)

	}
}));

},{}],34:[function(require,module,exports){
var x=String;
var create=function() {return {isColorSupported:false,reset:x,bold:x,dim:x,italic:x,underline:x,inverse:x,hidden:x,strikethrough:x,black:x,red:x,green:x,yellow:x,blue:x,magenta:x,cyan:x,white:x,gray:x,bgBlack:x,bgRed:x,bgGreen:x,bgYellow:x,bgBlue:x,bgMagenta:x,bgCyan:x,bgWhite:x}};
module.exports=create();
module.exports.createColors = create;

},{}],35:[function(require,module,exports){
'use strict'

let Container = require('./container')

class AtRule extends Container {
  constructor(defaults) {
    super(defaults)
    this.type = 'atrule'
  }

  append(...children) {
    if (!this.proxyOf.nodes) this.nodes = []
    return super.append(...children)
  }

  prepend(...children) {
    if (!this.proxyOf.nodes) this.nodes = []
    return super.prepend(...children)
  }
}

module.exports = AtRule
AtRule.default = AtRule

Container.registerAtRule(AtRule)

},{"./container":37}],36:[function(require,module,exports){
'use strict'

let Node = require('./node')

class Comment extends Node {
  constructor(defaults) {
    super(defaults)
    this.type = 'comment'
  }
}

module.exports = Comment
Comment.default = Comment

},{"./node":47}],37:[function(require,module,exports){
'use strict'

let { isClean, my } = require('./symbols')
let Declaration = require('./declaration')
let Comment = require('./comment')
let Node = require('./node')

let parse, Rule, AtRule, Root

function cleanSource(nodes) {
  return nodes.map(i => {
    if (i.nodes) i.nodes = cleanSource(i.nodes)
    delete i.source
    return i
  })
}

function markDirtyUp(node) {
  node[isClean] = false
  if (node.proxyOf.nodes) {
    for (let i of node.proxyOf.nodes) {
      markDirtyUp(i)
    }
  }
}

class Container extends Node {
  append(...children) {
    for (let child of children) {
      let nodes = this.normalize(child, this.last)
      for (let node of nodes) this.proxyOf.nodes.push(node)
    }

    this.markDirty()

    return this
  }

  cleanRaws(keepBetween) {
    super.cleanRaws(keepBetween)
    if (this.nodes) {
      for (let node of this.nodes) node.cleanRaws(keepBetween)
    }
  }

  each(callback) {
    if (!this.proxyOf.nodes) return undefined
    let iterator = this.getIterator()

    let index, result
    while (this.indexes[iterator] < this.proxyOf.nodes.length) {
      index = this.indexes[iterator]
      result = callback(this.proxyOf.nodes[index], index)
      if (result === false) break

      this.indexes[iterator] += 1
    }

    delete this.indexes[iterator]
    return result
  }

  every(condition) {
    return this.nodes.every(condition)
  }

  getIterator() {
    if (!this.lastEach) this.lastEach = 0
    if (!this.indexes) this.indexes = {}

    this.lastEach += 1
    let iterator = this.lastEach
    this.indexes[iterator] = 0

    return iterator
  }

  getProxyProcessor() {
    return {
      get(node, prop) {
        if (prop === 'proxyOf') {
          return node
        } else if (!node[prop]) {
          return node[prop]
        } else if (
          prop === 'each' ||
          (typeof prop === 'string' && prop.startsWith('walk'))
        ) {
          return (...args) => {
            return node[prop](
              ...args.map(i => {
                if (typeof i === 'function') {
                  return (child, index) => i(child.toProxy(), index)
                } else {
                  return i
                }
              })
            )
          }
        } else if (prop === 'every' || prop === 'some') {
          return cb => {
            return node[prop]((child, ...other) =>
              cb(child.toProxy(), ...other)
            )
          }
        } else if (prop === 'root') {
          return () => node.root().toProxy()
        } else if (prop === 'nodes') {
          return node.nodes.map(i => i.toProxy())
        } else if (prop === 'first' || prop === 'last') {
          return node[prop].toProxy()
        } else {
          return node[prop]
        }
      },

      set(node, prop, value) {
        if (node[prop] === value) return true
        node[prop] = value
        if (prop === 'name' || prop === 'params' || prop === 'selector') {
          node.markDirty()
        }
        return true
      }
    }
  }

  index(child) {
    if (typeof child === 'number') return child
    if (child.proxyOf) child = child.proxyOf
    return this.proxyOf.nodes.indexOf(child)
  }

  insertAfter(exist, add) {
    let existIndex = this.index(exist)
    let nodes = this.normalize(add, this.proxyOf.nodes[existIndex]).reverse()
    existIndex = this.index(exist)
    for (let node of nodes) this.proxyOf.nodes.splice(existIndex + 1, 0, node)

    let index
    for (let id in this.indexes) {
      index = this.indexes[id]
      if (existIndex < index) {
        this.indexes[id] = index + nodes.length
      }
    }

    this.markDirty()

    return this
  }

  insertBefore(exist, add) {
    let existIndex = this.index(exist)
    let type = existIndex === 0 ? 'prepend' : false
    let nodes = this.normalize(add, this.proxyOf.nodes[existIndex], type).reverse()
    existIndex = this.index(exist)
    for (let node of nodes) this.proxyOf.nodes.splice(existIndex, 0, node)

    let index
    for (let id in this.indexes) {
      index = this.indexes[id]
      if (existIndex <= index) {
        this.indexes[id] = index + nodes.length
      }
    }

    this.markDirty()

    return this
  }

  normalize(nodes, sample) {
    if (typeof nodes === 'string') {
      nodes = cleanSource(parse(nodes).nodes)
    } else if (Array.isArray(nodes)) {
      nodes = nodes.slice(0)
      for (let i of nodes) {
        if (i.parent) i.parent.removeChild(i, 'ignore')
      }
    } else if (nodes.type === 'root' && this.type !== 'document') {
      nodes = nodes.nodes.slice(0)
      for (let i of nodes) {
        if (i.parent) i.parent.removeChild(i, 'ignore')
      }
    } else if (nodes.type) {
      nodes = [nodes]
    } else if (nodes.prop) {
      if (typeof nodes.value === 'undefined') {
        throw new Error('Value field is missed in node creation')
      } else if (typeof nodes.value !== 'string') {
        nodes.value = String(nodes.value)
      }
      nodes = [new Declaration(nodes)]
    } else if (nodes.selector) {
      nodes = [new Rule(nodes)]
    } else if (nodes.name) {
      nodes = [new AtRule(nodes)]
    } else if (nodes.text) {
      nodes = [new Comment(nodes)]
    } else {
      throw new Error('Unknown node type in node creation')
    }

    let processed = nodes.map(i => {
      /* c8 ignore next */
      if (!i[my]) Container.rebuild(i)
      i = i.proxyOf
      if (i.parent) i.parent.removeChild(i)
      if (i[isClean]) markDirtyUp(i)
      if (typeof i.raws.before === 'undefined') {
        if (sample && typeof sample.raws.before !== 'undefined') {
          i.raws.before = sample.raws.before.replace(/\S/g, '')
        }
      }
      i.parent = this.proxyOf
      return i
    })

    return processed
  }

  prepend(...children) {
    children = children.reverse()
    for (let child of children) {
      let nodes = this.normalize(child, this.first, 'prepend').reverse()
      for (let node of nodes) this.proxyOf.nodes.unshift(node)
      for (let id in this.indexes) {
        this.indexes[id] = this.indexes[id] + nodes.length
      }
    }

    this.markDirty()

    return this
  }

  push(child) {
    child.parent = this
    this.proxyOf.nodes.push(child)
    return this
  }

  removeAll() {
    for (let node of this.proxyOf.nodes) node.parent = undefined
    this.proxyOf.nodes = []

    this.markDirty()

    return this
  }

  removeChild(child) {
    child = this.index(child)
    this.proxyOf.nodes[child].parent = undefined
    this.proxyOf.nodes.splice(child, 1)

    let index
    for (let id in this.indexes) {
      index = this.indexes[id]
      if (index >= child) {
        this.indexes[id] = index - 1
      }
    }

    this.markDirty()

    return this
  }

  replaceValues(pattern, opts, callback) {
    if (!callback) {
      callback = opts
      opts = {}
    }

    this.walkDecls(decl => {
      if (opts.props && !opts.props.includes(decl.prop)) return
      if (opts.fast && !decl.value.includes(opts.fast)) return

      decl.value = decl.value.replace(pattern, callback)
    })

    this.markDirty()

    return this
  }

  some(condition) {
    return this.nodes.some(condition)
  }

  walk(callback) {
    return this.each((child, i) => {
      let result
      try {
        result = callback(child, i)
      } catch (e) {
        throw child.addToError(e)
      }
      if (result !== false && child.walk) {
        result = child.walk(callback)
      }

      return result
    })
  }

  walkAtRules(name, callback) {
    if (!callback) {
      callback = name
      return this.walk((child, i) => {
        if (child.type === 'atrule') {
          return callback(child, i)
        }
      })
    }
    if (name instanceof RegExp) {
      return this.walk((child, i) => {
        if (child.type === 'atrule' && name.test(child.name)) {
          return callback(child, i)
        }
      })
    }
    return this.walk((child, i) => {
      if (child.type === 'atrule' && child.name === name) {
        return callback(child, i)
      }
    })
  }

  walkComments(callback) {
    return this.walk((child, i) => {
      if (child.type === 'comment') {
        return callback(child, i)
      }
    })
  }

  walkDecls(prop, callback) {
    if (!callback) {
      callback = prop
      return this.walk((child, i) => {
        if (child.type === 'decl') {
          return callback(child, i)
        }
      })
    }
    if (prop instanceof RegExp) {
      return this.walk((child, i) => {
        if (child.type === 'decl' && prop.test(child.prop)) {
          return callback(child, i)
        }
      })
    }
    return this.walk((child, i) => {
      if (child.type === 'decl' && child.prop === prop) {
        return callback(child, i)
      }
    })
  }

  walkRules(selector, callback) {
    if (!callback) {
      callback = selector

      return this.walk((child, i) => {
        if (child.type === 'rule') {
          return callback(child, i)
        }
      })
    }
    if (selector instanceof RegExp) {
      return this.walk((child, i) => {
        if (child.type === 'rule' && selector.test(child.selector)) {
          return callback(child, i)
        }
      })
    }
    return this.walk((child, i) => {
      if (child.type === 'rule' && child.selector === selector) {
        return callback(child, i)
      }
    })
  }

  get first() {
    if (!this.proxyOf.nodes) return undefined
    return this.proxyOf.nodes[0]
  }

  get last() {
    if (!this.proxyOf.nodes) return undefined
    return this.proxyOf.nodes[this.proxyOf.nodes.length - 1]
  }
}

Container.registerParse = dependant => {
  parse = dependant
}

Container.registerRule = dependant => {
  Rule = dependant
}

Container.registerAtRule = dependant => {
  AtRule = dependant
}

Container.registerRoot = dependant => {
  Root = dependant
}

module.exports = Container
Container.default = Container

/* c8 ignore start */
Container.rebuild = node => {
  if (node.type === 'atrule') {
    Object.setPrototypeOf(node, AtRule.prototype)
  } else if (node.type === 'rule') {
    Object.setPrototypeOf(node, Rule.prototype)
  } else if (node.type === 'decl') {
    Object.setPrototypeOf(node, Declaration.prototype)
  } else if (node.type === 'comment') {
    Object.setPrototypeOf(node, Comment.prototype)
  } else if (node.type === 'root') {
    Object.setPrototypeOf(node, Root.prototype)
  }

  node[my] = true

  if (node.nodes) {
    node.nodes.forEach(child => {
      Container.rebuild(child)
    })
  }
}
/* c8 ignore stop */

},{"./comment":36,"./declaration":39,"./node":47,"./symbols":58}],38:[function(require,module,exports){
'use strict'

let pico = require('picocolors')

let terminalHighlight = require('./terminal-highlight')

class CssSyntaxError extends Error {
  constructor(message, line, column, source, file, plugin) {
    super(message)
    this.name = 'CssSyntaxError'
    this.reason = message

    if (file) {
      this.file = file
    }
    if (source) {
      this.source = source
    }
    if (plugin) {
      this.plugin = plugin
    }
    if (typeof line !== 'undefined' && typeof column !== 'undefined') {
      if (typeof line === 'number') {
        this.line = line
        this.column = column
      } else {
        this.line = line.line
        this.column = line.column
        this.endLine = column.line
        this.endColumn = column.column
      }
    }

    this.setMessage()

    if (Error.captureStackTrace) {
      Error.captureStackTrace(this, CssSyntaxError)
    }
  }

  setMessage() {
    this.message = this.plugin ? this.plugin + ': ' : ''
    this.message += this.file ? this.file : '<css input>'
    if (typeof this.line !== 'undefined') {
      this.message += ':' + this.line + ':' + this.column
    }
    this.message += ': ' + this.reason
  }

  showSourceCode(color) {
    if (!this.source) return ''

    let css = this.source
    if (color == null) color = pico.isColorSupported
    if (terminalHighlight) {
      if (color) css = terminalHighlight(css)
    }

    let lines = css.split(/\r?\n/)
    let start = Math.max(this.line - 3, 0)
    let end = Math.min(this.line + 2, lines.length)

    let maxWidth = String(end).length

    let mark, aside
    if (color) {
      let { bold, gray, red } = pico.createColors(true)
      mark = text => bold(red(text))
      aside = text => gray(text)
    } else {
      mark = aside = str => str
    }

    return lines
      .slice(start, end)
      .map((line, index) => {
        let number = start + 1 + index
        let gutter = ' ' + (' ' + number).slice(-maxWidth) + ' | '
        if (number === this.line) {
          let spacing =
            aside(gutter.replace(/\d/g, ' ')) +
            line.slice(0, this.column - 1).replace(/[^\t]/g, ' ')
          return mark('>') + aside(gutter) + line + '\n ' + spacing + mark('^')
        }
        return ' ' + aside(gutter) + line
      })
      .join('\n')
  }

  toString() {
    let code = this.showSourceCode()
    if (code) {
      code = '\n\n' + code + '\n'
    }
    return this.name + ': ' + this.message + code
  }
}

module.exports = CssSyntaxError
CssSyntaxError.default = CssSyntaxError

},{"./terminal-highlight":2,"picocolors":34}],39:[function(require,module,exports){
'use strict'

let Node = require('./node')

class Declaration extends Node {
  constructor(defaults) {
    if (
      defaults &&
      typeof defaults.value !== 'undefined' &&
      typeof defaults.value !== 'string'
    ) {
      defaults = { ...defaults, value: String(defaults.value) }
    }
    super(defaults)
    this.type = 'decl'
  }

  get variable() {
    return this.prop.startsWith('--') || this.prop[0] === '$'
  }
}

module.exports = Declaration
Declaration.default = Declaration

},{"./node":47}],40:[function(require,module,exports){
'use strict'

let Container = require('./container')

let LazyResult, Processor

class Document extends Container {
  constructor(defaults) {
    // type needs to be passed to super, otherwise child roots won't be normalized correctly
    super({ type: 'document', ...defaults })

    if (!this.nodes) {
      this.nodes = []
    }
  }

  toResult(opts = {}) {
    let lazy = new LazyResult(new Processor(), this, opts)

    return lazy.stringify()
  }
}

Document.registerLazyResult = dependant => {
  LazyResult = dependant
}

Document.registerProcessor = dependant => {
  Processor = dependant
}

module.exports = Document
Document.default = Document

},{"./container":37}],41:[function(require,module,exports){
'use strict'

let Declaration = require('./declaration')
let PreviousMap = require('./previous-map')
let Comment = require('./comment')
let AtRule = require('./at-rule')
let Input = require('./input')
let Root = require('./root')
let Rule = require('./rule')

function fromJSON(json, inputs) {
  if (Array.isArray(json)) return json.map(n => fromJSON(n))

  let { inputs: ownInputs, ...defaults } = json
  if (ownInputs) {
    inputs = []
    for (let input of ownInputs) {
      let inputHydrated = { ...input, __proto__: Input.prototype }
      if (inputHydrated.map) {
        inputHydrated.map = {
          ...inputHydrated.map,
          __proto__: PreviousMap.prototype
        }
      }
      inputs.push(inputHydrated)
    }
  }
  if (defaults.nodes) {
    defaults.nodes = json.nodes.map(n => fromJSON(n, inputs))
  }
  if (defaults.source) {
    let { inputId, ...source } = defaults.source
    defaults.source = source
    if (inputId != null) {
      defaults.source.input = inputs[inputId]
    }
  }
  if (defaults.type === 'root') {
    return new Root(defaults)
  } else if (defaults.type === 'decl') {
    return new Declaration(defaults)
  } else if (defaults.type === 'rule') {
    return new Rule(defaults)
  } else if (defaults.type === 'comment') {
    return new Comment(defaults)
  } else if (defaults.type === 'atrule') {
    return new AtRule(defaults)
  } else {
    throw new Error('Unknown node type: ' + json.type)
  }
}

module.exports = fromJSON
fromJSON.default = fromJSON

},{"./at-rule":35,"./comment":36,"./declaration":39,"./input":42,"./previous-map":51,"./root":54,"./rule":55}],42:[function(require,module,exports){
'use strict'

let { SourceMapConsumer, SourceMapGenerator } = require('source-map-js')
let { fileURLToPath, pathToFileURL } = require('url')
let { isAbsolute, resolve } = require('path')
let { nanoid } = require('nanoid/non-secure')

let terminalHighlight = require('./terminal-highlight')
let CssSyntaxError = require('./css-syntax-error')
let PreviousMap = require('./previous-map')

let fromOffsetCache = Symbol('fromOffsetCache')

let sourceMapAvailable = Boolean(SourceMapConsumer && SourceMapGenerator)
let pathAvailable = Boolean(resolve && isAbsolute)

class Input {
  constructor(css, opts = {}) {
    if (
      css === null ||
      typeof css === 'undefined' ||
      (typeof css === 'object' && !css.toString)
    ) {
      throw new Error(`PostCSS received ${css} instead of CSS string`)
    }

    this.css = css.toString()

    if (this.css[0] === '\uFEFF' || this.css[0] === '\uFFFE') {
      this.hasBOM = true
      this.css = this.css.slice(1)
    } else {
      this.hasBOM = false
    }

    if (opts.from) {
      if (
        !pathAvailable ||
        /^\w+:\/\//.test(opts.from) ||
        isAbsolute(opts.from)
      ) {
        this.file = opts.from
      } else {
        this.file = resolve(opts.from)
      }
    }

    if (pathAvailable && sourceMapAvailable) {
      let map = new PreviousMap(this.css, opts)
      if (map.text) {
        this.map = map
        let file = map.consumer().file
        if (!this.file && file) this.file = this.mapResolve(file)
      }
    }

    if (!this.file) {
      this.id = '<input css ' + nanoid(6) + '>'
    }
    if (this.map) this.map.file = this.from
  }

  error(message, line, column, opts = {}) {
    let result, endLine, endColumn

    if (line && typeof line === 'object') {
      let start = line
      let end = column
      if (typeof start.offset === 'number') {
        let pos = this.fromOffset(start.offset)
        line = pos.line
        column = pos.col
      } else {
        line = start.line
        column = start.column
      }
      if (typeof end.offset === 'number') {
        let pos = this.fromOffset(end.offset)
        endLine = pos.line
        endColumn = pos.col
      } else {
        endLine = end.line
        endColumn = end.column
      }
    } else if (!column) {
      let pos = this.fromOffset(line)
      line = pos.line
      column = pos.col
    }

    let origin = this.origin(line, column, endLine, endColumn)
    if (origin) {
      result = new CssSyntaxError(
        message,
        origin.endLine === undefined
          ? origin.line
          : { column: origin.column, line: origin.line },
        origin.endLine === undefined
          ? origin.column
          : { column: origin.endColumn, line: origin.endLine },
        origin.source,
        origin.file,
        opts.plugin
      )
    } else {
      result = new CssSyntaxError(
        message,
        endLine === undefined ? line : { column, line },
        endLine === undefined ? column : { column: endColumn, line: endLine },
        this.css,
        this.file,
        opts.plugin
      )
    }

    result.input = { column, endColumn, endLine, line, source: this.css }
    if (this.file) {
      if (pathToFileURL) {
        result.input.url = pathToFileURL(this.file).toString()
      }
      result.input.file = this.file
    }

    return result
  }

  fromOffset(offset) {
    let lastLine, lineToIndex
    if (!this[fromOffsetCache]) {
      let lines = this.css.split('\n')
      lineToIndex = new Array(lines.length)
      let prevIndex = 0

      for (let i = 0, l = lines.length; i < l; i++) {
        lineToIndex[i] = prevIndex
        prevIndex += lines[i].length + 1
      }

      this[fromOffsetCache] = lineToIndex
    } else {
      lineToIndex = this[fromOffsetCache]
    }
    lastLine = lineToIndex[lineToIndex.length - 1]

    let min = 0
    if (offset >= lastLine) {
      min = lineToIndex.length - 1
    } else {
      let max = lineToIndex.length - 2
      let mid
      while (min < max) {
        mid = min + ((max - min) >> 1)
        if (offset < lineToIndex[mid]) {
          max = mid - 1
        } else if (offset >= lineToIndex[mid + 1]) {
          min = mid + 1
        } else {
          min = mid
          break
        }
      }
    }
    return {
      col: offset - lineToIndex[min] + 1,
      line: min + 1
    }
  }

  mapResolve(file) {
    if (/^\w+:\/\//.test(file)) {
      return file
    }
    return resolve(this.map.consumer().sourceRoot || this.map.root || '.', file)
  }

  origin(line, column, endLine, endColumn) {
    if (!this.map) return false
    let consumer = this.map.consumer()

    let from = consumer.originalPositionFor({ column, line })
    if (!from.source) return false

    let to
    if (typeof endLine === 'number') {
      to = consumer.originalPositionFor({ column: endColumn, line: endLine })
    }

    let fromUrl

    if (isAbsolute(from.source)) {
      fromUrl = pathToFileURL(from.source)
    } else {
      fromUrl = new URL(
        from.source,
        this.map.consumer().sourceRoot || pathToFileURL(this.map.mapFile)
      )
    }

    let result = {
      column: from.column,
      endColumn: to && to.column,
      endLine: to && to.line,
      line: from.line,
      url: fromUrl.toString()
    }

    if (fromUrl.protocol === 'file:') {
      if (fileURLToPath) {
        result.file = fileURLToPath(fromUrl)
      } else {
        /* c8 ignore next 2 */
        throw new Error(`file: protocol is not available in this PostCSS build`)
      }
    }

    let source = consumer.sourceContentFor(from.source)
    if (source) result.source = source

    return result
  }

  toJSON() {
    let json = {}
    for (let name of ['hasBOM', 'css', 'file', 'id']) {
      if (this[name] != null) {
        json[name] = this[name]
      }
    }
    if (this.map) {
      json.map = { ...this.map }
      if (json.map.consumerCache) {
        json.map.consumerCache = undefined
      }
    }
    return json
  }

  get from() {
    return this.file || this.id
  }
}

module.exports = Input
Input.default = Input

if (terminalHighlight && terminalHighlight.registerInput) {
  terminalHighlight.registerInput(Input)
}

},{"./css-syntax-error":38,"./previous-map":51,"./terminal-highlight":2,"nanoid/non-secure":32,"path":2,"source-map-js":2,"url":2}],43:[function(require,module,exports){
(function (process){(function (){
'use strict'

let { isClean, my } = require('./symbols')
let MapGenerator = require('./map-generator')
let stringify = require('./stringify')
let Container = require('./container')
let Document = require('./document')
let warnOnce = require('./warn-once')
let Result = require('./result')
let parse = require('./parse')
let Root = require('./root')

const TYPE_TO_CLASS_NAME = {
  atrule: 'AtRule',
  comment: 'Comment',
  decl: 'Declaration',
  document: 'Document',
  root: 'Root',
  rule: 'Rule'
}

const PLUGIN_PROPS = {
  AtRule: true,
  AtRuleExit: true,
  Comment: true,
  CommentExit: true,
  Declaration: true,
  DeclarationExit: true,
  Document: true,
  DocumentExit: true,
  Once: true,
  OnceExit: true,
  postcssPlugin: true,
  prepare: true,
  Root: true,
  RootExit: true,
  Rule: true,
  RuleExit: true
}

const NOT_VISITORS = {
  Once: true,
  postcssPlugin: true,
  prepare: true
}

const CHILDREN = 0

function isPromise(obj) {
  return typeof obj === 'object' && typeof obj.then === 'function'
}

function getEvents(node) {
  let key = false
  let type = TYPE_TO_CLASS_NAME[node.type]
  if (node.type === 'decl') {
    key = node.prop.toLowerCase()
  } else if (node.type === 'atrule') {
    key = node.name.toLowerCase()
  }

  if (key && node.append) {
    return [
      type,
      type + '-' + key,
      CHILDREN,
      type + 'Exit',
      type + 'Exit-' + key
    ]
  } else if (key) {
    return [type, type + '-' + key, type + 'Exit', type + 'Exit-' + key]
  } else if (node.append) {
    return [type, CHILDREN, type + 'Exit']
  } else {
    return [type, type + 'Exit']
  }
}

function toStack(node) {
  let events
  if (node.type === 'document') {
    events = ['Document', CHILDREN, 'DocumentExit']
  } else if (node.type === 'root') {
    events = ['Root', CHILDREN, 'RootExit']
  } else {
    events = getEvents(node)
  }

  return {
    eventIndex: 0,
    events,
    iterator: 0,
    node,
    visitorIndex: 0,
    visitors: []
  }
}

function cleanMarks(node) {
  node[isClean] = false
  if (node.nodes) node.nodes.forEach(i => cleanMarks(i))
  return node
}

let postcss = {}

class LazyResult {
  constructor(processor, css, opts) {
    this.stringified = false
    this.processed = false

    let root
    if (
      typeof css === 'object' &&
      css !== null &&
      (css.type === 'root' || css.type === 'document')
    ) {
      root = cleanMarks(css)
    } else if (css instanceof LazyResult || css instanceof Result) {
      root = cleanMarks(css.root)
      if (css.map) {
        if (typeof opts.map === 'undefined') opts.map = {}
        if (!opts.map.inline) opts.map.inline = false
        opts.map.prev = css.map
      }
    } else {
      let parser = parse
      if (opts.syntax) parser = opts.syntax.parse
      if (opts.parser) parser = opts.parser
      if (parser.parse) parser = parser.parse

      try {
        root = parser(css, opts)
      } catch (error) {
        this.processed = true
        this.error = error
      }

      if (root && !root[my]) {
        /* c8 ignore next 2 */
        Container.rebuild(root)
      }
    }

    this.result = new Result(processor, root, opts)
    this.helpers = { ...postcss, postcss, result: this.result }
    this.plugins = this.processor.plugins.map(plugin => {
      if (typeof plugin === 'object' && plugin.prepare) {
        return { ...plugin, ...plugin.prepare(this.result) }
      } else {
        return plugin
      }
    })
  }

  async() {
    if (this.error) return Promise.reject(this.error)
    if (this.processed) return Promise.resolve(this.result)
    if (!this.processing) {
      this.processing = this.runAsync()
    }
    return this.processing
  }

  catch(onRejected) {
    return this.async().catch(onRejected)
  }

  finally(onFinally) {
    return this.async().then(onFinally, onFinally)
  }

  getAsyncError() {
    throw new Error('Use process(css).then(cb) to work with async plugins')
  }

  handleError(error, node) {
    let plugin = this.result.lastPlugin
    try {
      if (node) node.addToError(error)
      this.error = error
      if (error.name === 'CssSyntaxError' && !error.plugin) {
        error.plugin = plugin.postcssPlugin
        error.setMessage()
      } else if (plugin.postcssVersion) {
        if (process.env.NODE_ENV !== 'production') {
          let pluginName = plugin.postcssPlugin
          let pluginVer = plugin.postcssVersion
          let runtimeVer = this.result.processor.version
          let a = pluginVer.split('.')
          let b = runtimeVer.split('.')

          if (a[0] !== b[0] || parseInt(a[1]) > parseInt(b[1])) {
            // eslint-disable-next-line no-console
            console.error(
              'Unknown error from PostCSS plugin. Your current PostCSS ' +
                'version is ' +
                runtimeVer +
                ', but ' +
                pluginName +
                ' uses ' +
                pluginVer +
                '. Perhaps this is the source of the error below.'
            )
          }
        }
      }
    } catch (err) {
      /* c8 ignore next 3 */
      // eslint-disable-next-line no-console
      if (console && console.error) console.error(err)
    }
    return error
  }

  prepareVisitors() {
    this.listeners = {}
    let add = (plugin, type, cb) => {
      if (!this.listeners[type]) this.listeners[type] = []
      this.listeners[type].push([plugin, cb])
    }
    for (let plugin of this.plugins) {
      if (typeof plugin === 'object') {
        for (let event in plugin) {
          if (!PLUGIN_PROPS[event] && /^[A-Z]/.test(event)) {
            throw new Error(
              `Unknown event ${event} in ${plugin.postcssPlugin}. ` +
                `Try to update PostCSS (${this.processor.version} now).`
            )
          }
          if (!NOT_VISITORS[event]) {
            if (typeof plugin[event] === 'object') {
              for (let filter in plugin[event]) {
                if (filter === '*') {
                  add(plugin, event, plugin[event][filter])
                } else {
                  add(
                    plugin,
                    event + '-' + filter.toLowerCase(),
                    plugin[event][filter]
                  )
                }
              }
            } else if (typeof plugin[event] === 'function') {
              add(plugin, event, plugin[event])
            }
          }
        }
      }
    }
    this.hasListener = Object.keys(this.listeners).length > 0
  }

  async runAsync() {
    this.plugin = 0
    for (let i = 0; i < this.plugins.length; i++) {
      let plugin = this.plugins[i]
      let promise = this.runOnRoot(plugin)
      if (isPromise(promise)) {
        try {
          await promise
        } catch (error) {
          throw this.handleError(error)
        }
      }
    }

    this.prepareVisitors()
    if (this.hasListener) {
      let root = this.result.root
      while (!root[isClean]) {
        root[isClean] = true
        let stack = [toStack(root)]
        while (stack.length > 0) {
          let promise = this.visitTick(stack)
          if (isPromise(promise)) {
            try {
              await promise
            } catch (e) {
              let node = stack[stack.length - 1].node
              throw this.handleError(e, node)
            }
          }
        }
      }

      if (this.listeners.OnceExit) {
        for (let [plugin, visitor] of this.listeners.OnceExit) {
          this.result.lastPlugin = plugin
          try {
            if (root.type === 'document') {
              let roots = root.nodes.map(subRoot =>
                visitor(subRoot, this.helpers)
              )

              await Promise.all(roots)
            } else {
              await visitor(root, this.helpers)
            }
          } catch (e) {
            throw this.handleError(e)
          }
        }
      }
    }

    this.processed = true
    return this.stringify()
  }

  runOnRoot(plugin) {
    this.result.lastPlugin = plugin
    try {
      if (typeof plugin === 'object' && plugin.Once) {
        if (this.result.root.type === 'document') {
          let roots = this.result.root.nodes.map(root =>
            plugin.Once(root, this.helpers)
          )

          if (isPromise(roots[0])) {
            return Promise.all(roots)
          }

          return roots
        }

        return plugin.Once(this.result.root, this.helpers)
      } else if (typeof plugin === 'function') {
        return plugin(this.result.root, this.result)
      }
    } catch (error) {
      throw this.handleError(error)
    }
  }

  stringify() {
    if (this.error) throw this.error
    if (this.stringified) return this.result
    this.stringified = true

    this.sync()

    let opts = this.result.opts
    let str = stringify
    if (opts.syntax) str = opts.syntax.stringify
    if (opts.stringifier) str = opts.stringifier
    if (str.stringify) str = str.stringify

    let map = new MapGenerator(str, this.result.root, this.result.opts)
    let data = map.generate()
    this.result.css = data[0]
    this.result.map = data[1]

    return this.result
  }

  sync() {
    if (this.error) throw this.error
    if (this.processed) return this.result
    this.processed = true

    if (this.processing) {
      throw this.getAsyncError()
    }

    for (let plugin of this.plugins) {
      let promise = this.runOnRoot(plugin)
      if (isPromise(promise)) {
        throw this.getAsyncError()
      }
    }

    this.prepareVisitors()
    if (this.hasListener) {
      let root = this.result.root
      while (!root[isClean]) {
        root[isClean] = true
        this.walkSync(root)
      }
      if (this.listeners.OnceExit) {
        if (root.type === 'document') {
          for (let subRoot of root.nodes) {
            this.visitSync(this.listeners.OnceExit, subRoot)
          }
        } else {
          this.visitSync(this.listeners.OnceExit, root)
        }
      }
    }

    return this.result
  }

  then(onFulfilled, onRejected) {
    if (process.env.NODE_ENV !== 'production') {
      if (!('from' in this.opts)) {
        warnOnce(
          'Without `from` option PostCSS could generate wrong source map ' +
            'and will not find Browserslist config. Set it to CSS file path ' +
            'or to `undefined` to prevent this warning.'
        )
      }
    }
    return this.async().then(onFulfilled, onRejected)
  }

  toString() {
    return this.css
  }

  visitSync(visitors, node) {
    for (let [plugin, visitor] of visitors) {
      this.result.lastPlugin = plugin
      let promise
      try {
        promise = visitor(node, this.helpers)
      } catch (e) {
        throw this.handleError(e, node.proxyOf)
      }
      if (node.type !== 'root' && node.type !== 'document' && !node.parent) {
        return true
      }
      if (isPromise(promise)) {
        throw this.getAsyncError()
      }
    }
  }

  visitTick(stack) {
    let visit = stack[stack.length - 1]
    let { node, visitors } = visit

    if (node.type !== 'root' && node.type !== 'document' && !node.parent) {
      stack.pop()
      return
    }

    if (visitors.length > 0 && visit.visitorIndex < visitors.length) {
      let [plugin, visitor] = visitors[visit.visitorIndex]
      visit.visitorIndex += 1
      if (visit.visitorIndex === visitors.length) {
        visit.visitors = []
        visit.visitorIndex = 0
      }
      this.result.lastPlugin = plugin
      try {
        return visitor(node.toProxy(), this.helpers)
      } catch (e) {
        throw this.handleError(e, node)
      }
    }

    if (visit.iterator !== 0) {
      let iterator = visit.iterator
      let child
      while ((child = node.nodes[node.indexes[iterator]])) {
        node.indexes[iterator] += 1
        if (!child[isClean]) {
          child[isClean] = true
          stack.push(toStack(child))
          return
        }
      }
      visit.iterator = 0
      delete node.indexes[iterator]
    }

    let events = visit.events
    while (visit.eventIndex < events.length) {
      let event = events[visit.eventIndex]
      visit.eventIndex += 1
      if (event === CHILDREN) {
        if (node.nodes && node.nodes.length) {
          node[isClean] = true
          visit.iterator = node.getIterator()
        }
        return
      } else if (this.listeners[event]) {
        visit.visitors = this.listeners[event]
        return
      }
    }
    stack.pop()
  }

  walkSync(node) {
    node[isClean] = true
    let events = getEvents(node)
    for (let event of events) {
      if (event === CHILDREN) {
        if (node.nodes) {
          node.each(child => {
            if (!child[isClean]) this.walkSync(child)
          })
        }
      } else {
        let visitors = this.listeners[event]
        if (visitors) {
          if (this.visitSync(visitors, node.toProxy())) return
        }
      }
    }
  }

  warnings() {
    return this.sync().warnings()
  }

  get content() {
    return this.stringify().content
  }

  get css() {
    return this.stringify().css
  }

  get map() {
    return this.stringify().map
  }

  get messages() {
    return this.sync().messages
  }

  get opts() {
    return this.result.opts
  }

  get processor() {
    return this.result.processor
  }

  get root() {
    return this.sync().root
  }

  get [Symbol.toStringTag]() {
    return 'LazyResult'
  }
}

LazyResult.registerPostcss = dependant => {
  postcss = dependant
}

module.exports = LazyResult
LazyResult.default = LazyResult

Root.registerLazyResult(LazyResult)
Document.registerLazyResult(LazyResult)

}).call(this)}).call(this,require('_process'))
},{"./container":37,"./document":40,"./map-generator":45,"./parse":48,"./result":53,"./root":54,"./stringify":57,"./symbols":58,"./warn-once":60,"_process":62}],44:[function(require,module,exports){
'use strict'

let list = {
  comma(string) {
    return list.split(string, [','], true)
  },

  space(string) {
    let spaces = [' ', '\n', '\t']
    return list.split(string, spaces)
  },

  split(string, separators, last) {
    let array = []
    let current = ''
    let split = false

    let func = 0
    let inQuote = false
    let prevQuote = ''
    let escape = false

    for (let letter of string) {
      if (escape) {
        escape = false
      } else if (letter === '\\') {
        escape = true
      } else if (inQuote) {
        if (letter === prevQuote) {
          inQuote = false
        }
      } else if (letter === '"' || letter === "'") {
        inQuote = true
        prevQuote = letter
      } else if (letter === '(') {
        func += 1
      } else if (letter === ')') {
        if (func > 0) func -= 1
      } else if (func === 0) {
        if (separators.includes(letter)) split = true
      }

      if (split) {
        if (current !== '') array.push(current.trim())
        current = ''
        split = false
      } else {
        current += letter
      }
    }

    if (last || current !== '') array.push(current.trim())
    return array
  }
}

module.exports = list
list.default = list

},{}],45:[function(require,module,exports){
(function (Buffer){(function (){
'use strict'

let { SourceMapConsumer, SourceMapGenerator } = require('source-map-js')
let { dirname, relative, resolve, sep } = require('path')
let { pathToFileURL } = require('url')

let Input = require('./input')

let sourceMapAvailable = Boolean(SourceMapConsumer && SourceMapGenerator)
let pathAvailable = Boolean(dirname && resolve && relative && sep)

class MapGenerator {
  constructor(stringify, root, opts, cssString) {
    this.stringify = stringify
    this.mapOpts = opts.map || {}
    this.root = root
    this.opts = opts
    this.css = cssString
    this.usesFileUrls = !this.mapOpts.from && this.mapOpts.absolute

    this.memoizedFileURLs = new Map()
    this.memoizedPaths = new Map()
    this.memoizedURLs = new Map()
  }

  addAnnotation() {
    let content

    if (this.isInline()) {
      content =
        'data:application/json;base64,' + this.toBase64(this.map.toString())
    } else if (typeof this.mapOpts.annotation === 'string') {
      content = this.mapOpts.annotation
    } else if (typeof this.mapOpts.annotation === 'function') {
      content = this.mapOpts.annotation(this.opts.to, this.root)
    } else {
      content = this.outputFile() + '.map'
    }
    let eol = '\n'
    if (this.css.includes('\r\n')) eol = '\r\n'

    this.css += eol + '/*# sourceMappingURL=' + content + ' */'
  }

  applyPrevMaps() {
    for (let prev of this.previous()) {
      let from = this.toUrl(this.path(prev.file))
      let root = prev.root || dirname(prev.file)
      let map

      if (this.mapOpts.sourcesContent === false) {
        map = new SourceMapConsumer(prev.text)
        if (map.sourcesContent) {
          map.sourcesContent = map.sourcesContent.map(() => null)
        }
      } else {
        map = prev.consumer()
      }

      this.map.applySourceMap(map, from, this.toUrl(this.path(root)))
    }
  }

  clearAnnotation() {
    if (this.mapOpts.annotation === false) return

    if (this.root) {
      let node
      for (let i = this.root.nodes.length - 1; i >= 0; i--) {
        node = this.root.nodes[i]
        if (node.type !== 'comment') continue
        if (node.text.indexOf('# sourceMappingURL=') === 0) {
          this.root.removeChild(i)
        }
      }
    } else if (this.css) {
      this.css = this.css.replace(/(\n)?\/\*#[\S\s]*?\*\/$/gm, '')
    }
  }

  generate() {
    this.clearAnnotation()
    if (pathAvailable && sourceMapAvailable && this.isMap()) {
      return this.generateMap()
    } else {
      let result = ''
      this.stringify(this.root, i => {
        result += i
      })
      return [result]
    }
  }

  generateMap() {
    if (this.root) {
      this.generateString()
    } else if (this.previous().length === 1) {
      let prev = this.previous()[0].consumer()
      prev.file = this.outputFile()
      this.map = SourceMapGenerator.fromSourceMap(prev)
    } else {
      this.map = new SourceMapGenerator({ file: this.outputFile() })
      this.map.addMapping({
        generated: { column: 0, line: 1 },
        original: { column: 0, line: 1 },
        source: this.opts.from
          ? this.toUrl(this.path(this.opts.from))
          : '<no source>'
      })
    }

    if (this.isSourcesContent()) this.setSourcesContent()
    if (this.root && this.previous().length > 0) this.applyPrevMaps()
    if (this.isAnnotation()) this.addAnnotation()

    if (this.isInline()) {
      return [this.css]
    } else {
      return [this.css, this.map]
    }
  }

  generateString() {
    this.css = ''
    this.map = new SourceMapGenerator({ file: this.outputFile() })

    let line = 1
    let column = 1

    let noSource = '<no source>'
    let mapping = {
      generated: { column: 0, line: 0 },
      original: { column: 0, line: 0 },
      source: ''
    }

    let lines, last
    this.stringify(this.root, (str, node, type) => {
      this.css += str

      if (node && type !== 'end') {
        mapping.generated.line = line
        mapping.generated.column = column - 1
        if (node.source && node.source.start) {
          mapping.source = this.sourcePath(node)
          mapping.original.line = node.source.start.line
          mapping.original.column = node.source.start.column - 1
          this.map.addMapping(mapping)
        } else {
          mapping.source = noSource
          mapping.original.line = 1
          mapping.original.column = 0
          this.map.addMapping(mapping)
        }
      }

      lines = str.match(/\n/g)
      if (lines) {
        line += lines.length
        last = str.lastIndexOf('\n')
        column = str.length - last
      } else {
        column += str.length
      }

      if (node && type !== 'start') {
        let p = node.parent || { raws: {} }
        let childless =
          node.type === 'decl' || (node.type === 'atrule' && !node.nodes)
        if (!childless || node !== p.last || p.raws.semicolon) {
          if (node.source && node.source.end) {
            mapping.source = this.sourcePath(node)
            mapping.original.line = node.source.end.line
            mapping.original.column = node.source.end.column - 1
            mapping.generated.line = line
            mapping.generated.column = column - 2
            this.map.addMapping(mapping)
          } else {
            mapping.source = noSource
            mapping.original.line = 1
            mapping.original.column = 0
            mapping.generated.line = line
            mapping.generated.column = column - 1
            this.map.addMapping(mapping)
          }
        }
      }
    })
  }

  isAnnotation() {
    if (this.isInline()) {
      return true
    }
    if (typeof this.mapOpts.annotation !== 'undefined') {
      return this.mapOpts.annotation
    }
    if (this.previous().length) {
      return this.previous().some(i => i.annotation)
    }
    return true
  }

  isInline() {
    if (typeof this.mapOpts.inline !== 'undefined') {
      return this.mapOpts.inline
    }

    let annotation = this.mapOpts.annotation
    if (typeof annotation !== 'undefined' && annotation !== true) {
      return false
    }

    if (this.previous().length) {
      return this.previous().some(i => i.inline)
    }
    return true
  }

  isMap() {
    if (typeof this.opts.map !== 'undefined') {
      return !!this.opts.map
    }
    return this.previous().length > 0
  }

  isSourcesContent() {
    if (typeof this.mapOpts.sourcesContent !== 'undefined') {
      return this.mapOpts.sourcesContent
    }
    if (this.previous().length) {
      return this.previous().some(i => i.withContent())
    }
    return true
  }

  outputFile() {
    if (this.opts.to) {
      return this.path(this.opts.to)
    } else if (this.opts.from) {
      return this.path(this.opts.from)
    } else {
      return 'to.css'
    }
  }

  path(file) {
    if (this.mapOpts.absolute) return file
    if (file.charCodeAt(0) === 60 /* `<` */) return file
    if (/^\w+:\/\//.test(file)) return file
    let cached = this.memoizedPaths.get(file)
    if (cached) return cached

    let from = this.opts.to ? dirname(this.opts.to) : '.'

    if (typeof this.mapOpts.annotation === 'string') {
      from = dirname(resolve(from, this.mapOpts.annotation))
    }

    let path = relative(from, file)
    this.memoizedPaths.set(file, path)

    return path
  }

  previous() {
    if (!this.previousMaps) {
      this.previousMaps = []
      if (this.root) {
        this.root.walk(node => {
          if (node.source && node.source.input.map) {
            let map = node.source.input.map
            if (!this.previousMaps.includes(map)) {
              this.previousMaps.push(map)
            }
          }
        })
      } else {
        let input = new Input(this.css, this.opts)
        if (input.map) this.previousMaps.push(input.map)
      }
    }

    return this.previousMaps
  }

  setSourcesContent() {
    let already = {}
    if (this.root) {
      this.root.walk(node => {
        if (node.source) {
          let from = node.source.input.from
          if (from && !already[from]) {
            already[from] = true
            let fromUrl = this.usesFileUrls
              ? this.toFileUrl(from)
              : this.toUrl(this.path(from))
            this.map.setSourceContent(fromUrl, node.source.input.css)
          }
        }
      })
    } else if (this.css) {
      let from = this.opts.from
        ? this.toUrl(this.path(this.opts.from))
        : '<no source>'
      this.map.setSourceContent(from, this.css)
    }
  }

  sourcePath(node) {
    if (this.mapOpts.from) {
      return this.toUrl(this.mapOpts.from)
    } else if (this.usesFileUrls) {
      return this.toFileUrl(node.source.input.from)
    } else {
      return this.toUrl(this.path(node.source.input.from))
    }
  }

  toBase64(str) {
    if (Buffer) {
      return Buffer.from(str).toString('base64')
    } else {
      return window.btoa(unescape(encodeURIComponent(str)))
    }
  }

  toFileUrl(path) {
    let cached = this.memoizedFileURLs.get(path)
    if (cached) return cached

    if (pathToFileURL) {
      let fileURL = pathToFileURL(path).toString()
      this.memoizedFileURLs.set(path, fileURL)

      return fileURL
    } else {
      throw new Error(
        '`map.absolute` option is not available in this PostCSS build'
      )
    }
  }

  toUrl(path) {
    let cached = this.memoizedURLs.get(path)
    if (cached) return cached

    if (sep === '\\') {
      path = path.replace(/\\/g, '/')
    }

    let url = encodeURI(path).replace(/[#?]/g, encodeURIComponent)
    this.memoizedURLs.set(path, url)

    return url
  }
}

module.exports = MapGenerator

}).call(this)}).call(this,require("buffer").Buffer)
},{"./input":42,"buffer":3,"path":2,"source-map-js":2,"url":2}],46:[function(require,module,exports){
(function (process){(function (){
'use strict'

let MapGenerator = require('./map-generator')
let stringify = require('./stringify')
let warnOnce = require('./warn-once')
let parse = require('./parse')
const Result = require('./result')

class NoWorkResult {
  constructor(processor, css, opts) {
    css = css.toString()
    this.stringified = false

    this._processor = processor
    this._css = css
    this._opts = opts
    this._map = undefined
    let root

    let str = stringify
    this.result = new Result(this._processor, root, this._opts)
    this.result.css = css

    let self = this
    Object.defineProperty(this.result, 'root', {
      get() {
        return self.root
      }
    })

    let map = new MapGenerator(str, root, this._opts, css)
    if (map.isMap()) {
      let [generatedCSS, generatedMap] = map.generate()
      if (generatedCSS) {
        this.result.css = generatedCSS
      }
      if (generatedMap) {
        this.result.map = generatedMap
      }
    }
  }

  async() {
    if (this.error) return Promise.reject(this.error)
    return Promise.resolve(this.result)
  }

  catch(onRejected) {
    return this.async().catch(onRejected)
  }

  finally(onFinally) {
    return this.async().then(onFinally, onFinally)
  }

  sync() {
    if (this.error) throw this.error
    return this.result
  }

  then(onFulfilled, onRejected) {
    if (process.env.NODE_ENV !== 'production') {
      if (!('from' in this._opts)) {
        warnOnce(
          'Without `from` option PostCSS could generate wrong source map ' +
            'and will not find Browserslist config. Set it to CSS file path ' +
            'or to `undefined` to prevent this warning.'
        )
      }
    }

    return this.async().then(onFulfilled, onRejected)
  }

  toString() {
    return this._css
  }

  warnings() {
    return []
  }

  get content() {
    return this.result.css
  }

  get css() {
    return this.result.css
  }

  get map() {
    return this.result.map
  }

  get messages() {
    return []
  }

  get opts() {
    return this.result.opts
  }

  get processor() {
    return this.result.processor
  }

  get root() {
    if (this._root) {
      return this._root
    }

    let root
    let parser = parse

    try {
      root = parser(this._css, this._opts)
    } catch (error) {
      this.error = error
    }

    if (this.error) {
      throw this.error
    } else {
      this._root = root
      return root
    }
  }

  get [Symbol.toStringTag]() {
    return 'NoWorkResult'
  }
}

module.exports = NoWorkResult
NoWorkResult.default = NoWorkResult

}).call(this)}).call(this,require('_process'))
},{"./map-generator":45,"./parse":48,"./result":53,"./stringify":57,"./warn-once":60,"_process":62}],47:[function(require,module,exports){
'use strict'

let { isClean, my } = require('./symbols')
let CssSyntaxError = require('./css-syntax-error')
let Stringifier = require('./stringifier')
let stringify = require('./stringify')

function cloneNode(obj, parent) {
  let cloned = new obj.constructor()

  for (let i in obj) {
    if (!Object.prototype.hasOwnProperty.call(obj, i)) {
      /* c8 ignore next 2 */
      continue
    }
    if (i === 'proxyCache') continue
    let value = obj[i]
    let type = typeof value

    if (i === 'parent' && type === 'object') {
      if (parent) cloned[i] = parent
    } else if (i === 'source') {
      cloned[i] = value
    } else if (Array.isArray(value)) {
      cloned[i] = value.map(j => cloneNode(j, cloned))
    } else {
      if (type === 'object' && value !== null) value = cloneNode(value)
      cloned[i] = value
    }
  }

  return cloned
}

class Node {
  constructor(defaults = {}) {
    this.raws = {}
    this[isClean] = false
    this[my] = true

    for (let name in defaults) {
      if (name === 'nodes') {
        this.nodes = []
        for (let node of defaults[name]) {
          if (typeof node.clone === 'function') {
            this.append(node.clone())
          } else {
            this.append(node)
          }
        }
      } else {
        this[name] = defaults[name]
      }
    }
  }

  addToError(error) {
    error.postcssNode = this
    if (error.stack && this.source && /\n\s{4}at /.test(error.stack)) {
      let s = this.source
      error.stack = error.stack.replace(
        /\n\s{4}at /,
        `$&${s.input.from}:${s.start.line}:${s.start.column}$&`
      )
    }
    return error
  }

  after(add) {
    this.parent.insertAfter(this, add)
    return this
  }

  assign(overrides = {}) {
    for (let name in overrides) {
      this[name] = overrides[name]
    }
    return this
  }

  before(add) {
    this.parent.insertBefore(this, add)
    return this
  }

  cleanRaws(keepBetween) {
    delete this.raws.before
    delete this.raws.after
    if (!keepBetween) delete this.raws.between
  }

  clone(overrides = {}) {
    let cloned = cloneNode(this)
    for (let name in overrides) {
      cloned[name] = overrides[name]
    }
    return cloned
  }

  cloneAfter(overrides = {}) {
    let cloned = this.clone(overrides)
    this.parent.insertAfter(this, cloned)
    return cloned
  }

  cloneBefore(overrides = {}) {
    let cloned = this.clone(overrides)
    this.parent.insertBefore(this, cloned)
    return cloned
  }

  error(message, opts = {}) {
    if (this.source) {
      let { end, start } = this.rangeBy(opts)
      return this.source.input.error(
        message,
        { column: start.column, line: start.line },
        { column: end.column, line: end.line },
        opts
      )
    }
    return new CssSyntaxError(message)
  }

  getProxyProcessor() {
    return {
      get(node, prop) {
        if (prop === 'proxyOf') {
          return node
        } else if (prop === 'root') {
          return () => node.root().toProxy()
        } else {
          return node[prop]
        }
      },

      set(node, prop, value) {
        if (node[prop] === value) return true
        node[prop] = value
        if (
          prop === 'prop' ||
          prop === 'value' ||
          prop === 'name' ||
          prop === 'params' ||
          prop === 'important' ||
          /* c8 ignore next */
          prop === 'text'
        ) {
          node.markDirty()
        }
        return true
      }
    }
  }

  markDirty() {
    if (this[isClean]) {
      this[isClean] = false
      let next = this
      while ((next = next.parent)) {
        next[isClean] = false
      }
    }
  }

  next() {
    if (!this.parent) return undefined
    let index = this.parent.index(this)
    return this.parent.nodes[index + 1]
  }

  positionBy(opts, stringRepresentation) {
    let pos = this.source.start
    if (opts.index) {
      pos = this.positionInside(opts.index, stringRepresentation)
    } else if (opts.word) {
      stringRepresentation = this.toString()
      let index = stringRepresentation.indexOf(opts.word)
      if (index !== -1) pos = this.positionInside(index, stringRepresentation)
    }
    return pos
  }

  positionInside(index, stringRepresentation) {
    let string = stringRepresentation || this.toString()
    let column = this.source.start.column
    let line = this.source.start.line

    for (let i = 0; i < index; i++) {
      if (string[i] === '\n') {
        column = 1
        line += 1
      } else {
        column += 1
      }
    }

    return { column, line }
  }

  prev() {
    if (!this.parent) return undefined
    let index = this.parent.index(this)
    return this.parent.nodes[index - 1]
  }

  rangeBy(opts) {
    let start = {
      column: this.source.start.column,
      line: this.source.start.line
    }
    let end = this.source.end
      ? {
        column: this.source.end.column + 1,
        line: this.source.end.line
      }
      : {
        column: start.column + 1,
        line: start.line
      }

    if (opts.word) {
      let stringRepresentation = this.toString()
      let index = stringRepresentation.indexOf(opts.word)
      if (index !== -1) {
        start = this.positionInside(index, stringRepresentation)
        end = this.positionInside(index + opts.word.length, stringRepresentation)
      }
    } else {
      if (opts.start) {
        start = {
          column: opts.start.column,
          line: opts.start.line
        }
      } else if (opts.index) {
        start = this.positionInside(opts.index)
      }

      if (opts.end) {
        end = {
          column: opts.end.column,
          line: opts.end.line
        }
      } else if (opts.endIndex) {
        end = this.positionInside(opts.endIndex)
      } else if (opts.index) {
        end = this.positionInside(opts.index + 1)
      }
    }

    if (
      end.line < start.line ||
      (end.line === start.line && end.column <= start.column)
    ) {
      end = { column: start.column + 1, line: start.line }
    }

    return { end, start }
  }

  raw(prop, defaultType) {
    let str = new Stringifier()
    return str.raw(this, prop, defaultType)
  }

  remove() {
    if (this.parent) {
      this.parent.removeChild(this)
    }
    this.parent = undefined
    return this
  }

  replaceWith(...nodes) {
    if (this.parent) {
      let bookmark = this
      let foundSelf = false
      for (let node of nodes) {
        if (node === this) {
          foundSelf = true
        } else if (foundSelf) {
          this.parent.insertAfter(bookmark, node)
          bookmark = node
        } else {
          this.parent.insertBefore(bookmark, node)
        }
      }

      if (!foundSelf) {
        this.remove()
      }
    }

    return this
  }

  root() {
    let result = this
    while (result.parent && result.parent.type !== 'document') {
      result = result.parent
    }
    return result
  }

  toJSON(_, inputs) {
    let fixed = {}
    let emitInputs = inputs == null
    inputs = inputs || new Map()
    let inputsNextIndex = 0

    for (let name in this) {
      if (!Object.prototype.hasOwnProperty.call(this, name)) {
        /* c8 ignore next 2 */
        continue
      }
      if (name === 'parent' || name === 'proxyCache') continue
      let value = this[name]

      if (Array.isArray(value)) {
        fixed[name] = value.map(i => {
          if (typeof i === 'object' && i.toJSON) {
            return i.toJSON(null, inputs)
          } else {
            return i
          }
        })
      } else if (typeof value === 'object' && value.toJSON) {
        fixed[name] = value.toJSON(null, inputs)
      } else if (name === 'source') {
        let inputId = inputs.get(value.input)
        if (inputId == null) {
          inputId = inputsNextIndex
          inputs.set(value.input, inputsNextIndex)
          inputsNextIndex++
        }
        fixed[name] = {
          end: value.end,
          inputId,
          start: value.start
        }
      } else {
        fixed[name] = value
      }
    }

    if (emitInputs) {
      fixed.inputs = [...inputs.keys()].map(input => input.toJSON())
    }

    return fixed
  }

  toProxy() {
    if (!this.proxyCache) {
      this.proxyCache = new Proxy(this, this.getProxyProcessor())
    }
    return this.proxyCache
  }

  toString(stringifier = stringify) {
    if (stringifier.stringify) stringifier = stringifier.stringify
    let result = ''
    stringifier(this, i => {
      result += i
    })
    return result
  }

  warn(result, text, opts) {
    let data = { node: this }
    for (let i in opts) data[i] = opts[i]
    return result.warn(text, data)
  }

  get proxyOf() {
    return this
  }
}

module.exports = Node
Node.default = Node

},{"./css-syntax-error":38,"./stringifier":56,"./stringify":57,"./symbols":58}],48:[function(require,module,exports){
(function (process){(function (){
'use strict'

let Container = require('./container')
let Parser = require('./parser')
let Input = require('./input')

function parse(css, opts) {
  let input = new Input(css, opts)
  let parser = new Parser(input)
  try {
    parser.parse()
  } catch (e) {
    if (process.env.NODE_ENV !== 'production') {
      if (e.name === 'CssSyntaxError' && opts && opts.from) {
        if (/\.scss$/i.test(opts.from)) {
          e.message +=
            '\nYou tried to parse SCSS with ' +
            'the standard CSS parser; ' +
            'try again with the postcss-scss parser'
        } else if (/\.sass/i.test(opts.from)) {
          e.message +=
            '\nYou tried to parse Sass with ' +
            'the standard CSS parser; ' +
            'try again with the postcss-sass parser'
        } else if (/\.less$/i.test(opts.from)) {
          e.message +=
            '\nYou tried to parse Less with ' +
            'the standard CSS parser; ' +
            'try again with the postcss-less parser'
        }
      }
    }
    throw e
  }

  return parser.root
}

module.exports = parse
parse.default = parse

Container.registerParse(parse)

}).call(this)}).call(this,require('_process'))
},{"./container":37,"./input":42,"./parser":49,"_process":62}],49:[function(require,module,exports){
'use strict'

let Declaration = require('./declaration')
let tokenizer = require('./tokenize')
let Comment = require('./comment')
let AtRule = require('./at-rule')
let Root = require('./root')
let Rule = require('./rule')

const SAFE_COMMENT_NEIGHBOR = {
  empty: true,
  space: true
}

function findLastWithPosition(tokens) {
  for (let i = tokens.length - 1; i >= 0; i--) {
    let token = tokens[i]
    let pos = token[3] || token[2]
    if (pos) return pos
  }
}

class Parser {
  constructor(input) {
    this.input = input

    this.root = new Root()
    this.current = this.root
    this.spaces = ''
    this.semicolon = false
    this.customProperty = false

    this.createTokenizer()
    this.root.source = { input, start: { column: 1, line: 1, offset: 0 } }
  }

  atrule(token) {
    let node = new AtRule()
    node.name = token[1].slice(1)
    if (node.name === '') {
      this.unnamedAtrule(node, token)
    }
    this.init(node, token[2])

    let type
    let prev
    let shift
    let last = false
    let open = false
    let params = []
    let brackets = []

    while (!this.tokenizer.endOfFile()) {
      token = this.tokenizer.nextToken()
      type = token[0]

      if (type === '(' || type === '[') {
        brackets.push(type === '(' ? ')' : ']')
      } else if (type === '{' && brackets.length > 0) {
        brackets.push('}')
      } else if (type === brackets[brackets.length - 1]) {
        brackets.pop()
      }

      if (brackets.length === 0) {
        if (type === ';') {
          node.source.end = this.getPosition(token[2])
          node.source.end.offset++
          this.semicolon = true
          break
        } else if (type === '{') {
          open = true
          break
        } else if (type === '}') {
          if (params.length > 0) {
            shift = params.length - 1
            prev = params[shift]
            while (prev && prev[0] === 'space') {
              prev = params[--shift]
            }
            if (prev) {
              node.source.end = this.getPosition(prev[3] || prev[2])
              node.source.end.offset++
            }
          }
          this.end(token)
          break
        } else {
          params.push(token)
        }
      } else {
        params.push(token)
      }

      if (this.tokenizer.endOfFile()) {
        last = true
        break
      }
    }

    node.raws.between = this.spacesAndCommentsFromEnd(params)
    if (params.length) {
      node.raws.afterName = this.spacesAndCommentsFromStart(params)
      this.raw(node, 'params', params)
      if (last) {
        token = params[params.length - 1]
        node.source.end = this.getPosition(token[3] || token[2])
        node.source.end.offset++
        this.spaces = node.raws.between
        node.raws.between = ''
      }
    } else {
      node.raws.afterName = ''
      node.params = ''
    }

    if (open) {
      node.nodes = []
      this.current = node
    }
  }

  checkMissedSemicolon(tokens) {
    let colon = this.colon(tokens)
    if (colon === false) return

    let founded = 0
    let token
    for (let j = colon - 1; j >= 0; j--) {
      token = tokens[j]
      if (token[0] !== 'space') {
        founded += 1
        if (founded === 2) break
      }
    }
    // If the token is a word, e.g. `!important`, `red` or any other valid property's value.
    // Then we need to return the colon after that word token. [3] is the "end" colon of that word.
    // And because we need it after that one we do +1 to get the next one.
    throw this.input.error(
      'Missed semicolon',
      token[0] === 'word' ? token[3] + 1 : token[2]
    )
  }

  colon(tokens) {
    let brackets = 0
    let token, type, prev
    for (let [i, element] of tokens.entries()) {
      token = element
      type = token[0]

      if (type === '(') {
        brackets += 1
      }
      if (type === ')') {
        brackets -= 1
      }
      if (brackets === 0 && type === ':') {
        if (!prev) {
          this.doubleColon(token)
        } else if (prev[0] === 'word' && prev[1] === 'progid') {
          continue
        } else {
          return i
        }
      }

      prev = token
    }
    return false
  }

  comment(token) {
    let node = new Comment()
    this.init(node, token[2])
    node.source.end = this.getPosition(token[3] || token[2])
    node.source.end.offset++

    let text = token[1].slice(2, -2)
    if (/^\s*$/.test(text)) {
      node.text = ''
      node.raws.left = text
      node.raws.right = ''
    } else {
      let match = text.match(/^(\s*)([^]*\S)(\s*)$/)
      node.text = match[2]
      node.raws.left = match[1]
      node.raws.right = match[3]
    }
  }

  createTokenizer() {
    this.tokenizer = tokenizer(this.input)
  }

  decl(tokens, customProperty) {
    let node = new Declaration()
    this.init(node, tokens[0][2])

    let last = tokens[tokens.length - 1]
    if (last[0] === ';') {
      this.semicolon = true
      tokens.pop()
    }

    node.source.end = this.getPosition(
      last[3] || last[2] || findLastWithPosition(tokens)
    )
    node.source.end.offset++

    while (tokens[0][0] !== 'word') {
      if (tokens.length === 1) this.unknownWord(tokens)
      node.raws.before += tokens.shift()[1]
    }
    node.source.start = this.getPosition(tokens[0][2])

    node.prop = ''
    while (tokens.length) {
      let type = tokens[0][0]
      if (type === ':' || type === 'space' || type === 'comment') {
        break
      }
      node.prop += tokens.shift()[1]
    }

    node.raws.between = ''

    let token
    while (tokens.length) {
      token = tokens.shift()

      if (token[0] === ':') {
        node.raws.between += token[1]
        break
      } else {
        if (token[0] === 'word' && /\w/.test(token[1])) {
          this.unknownWord([token])
        }
        node.raws.between += token[1]
      }
    }

    if (node.prop[0] === '_' || node.prop[0] === '*') {
      node.raws.before += node.prop[0]
      node.prop = node.prop.slice(1)
    }

    let firstSpaces = []
    let next
    while (tokens.length) {
      next = tokens[0][0]
      if (next !== 'space' && next !== 'comment') break
      firstSpaces.push(tokens.shift())
    }

    this.precheckMissedSemicolon(tokens)

    for (let i = tokens.length - 1; i >= 0; i--) {
      token = tokens[i]
      if (token[1].toLowerCase() === '!important') {
        node.important = true
        let string = this.stringFrom(tokens, i)
        string = this.spacesFromEnd(tokens) + string
        if (string !== ' !important') node.raws.important = string
        break
      } else if (token[1].toLowerCase() === 'important') {
        let cache = tokens.slice(0)
        let str = ''
        for (let j = i; j > 0; j--) {
          let type = cache[j][0]
          if (str.trim().indexOf('!') === 0 && type !== 'space') {
            break
          }
          str = cache.pop()[1] + str
        }
        if (str.trim().indexOf('!') === 0) {
          node.important = true
          node.raws.important = str
          tokens = cache
        }
      }

      if (token[0] !== 'space' && token[0] !== 'comment') {
        break
      }
    }

    let hasWord = tokens.some(i => i[0] !== 'space' && i[0] !== 'comment')

    if (hasWord) {
      node.raws.between += firstSpaces.map(i => i[1]).join('')
      firstSpaces = []
    }
    this.raw(node, 'value', firstSpaces.concat(tokens), customProperty)

    if (node.value.includes(':') && !customProperty) {
      this.checkMissedSemicolon(tokens)
    }
  }

  doubleColon(token) {
    throw this.input.error(
      'Double colon',
      { offset: token[2] },
      { offset: token[2] + token[1].length }
    )
  }

  emptyRule(token) {
    let node = new Rule()
    this.init(node, token[2])
    node.selector = ''
    node.raws.between = ''
    this.current = node
  }

  end(token) {
    if (this.current.nodes && this.current.nodes.length) {
      this.current.raws.semicolon = this.semicolon
    }
    this.semicolon = false

    this.current.raws.after = (this.current.raws.after || '') + this.spaces
    this.spaces = ''

    if (this.current.parent) {
      this.current.source.end = this.getPosition(token[2])
      this.current.source.end.offset++
      this.current = this.current.parent
    } else {
      this.unexpectedClose(token)
    }
  }

  endFile() {
    if (this.current.parent) this.unclosedBlock()
    if (this.current.nodes && this.current.nodes.length) {
      this.current.raws.semicolon = this.semicolon
    }
    this.current.raws.after = (this.current.raws.after || '') + this.spaces
    this.root.source.end = this.getPosition(this.tokenizer.position())
  }

  freeSemicolon(token) {
    this.spaces += token[1]
    if (this.current.nodes) {
      let prev = this.current.nodes[this.current.nodes.length - 1]
      if (prev && prev.type === 'rule' && !prev.raws.ownSemicolon) {
        prev.raws.ownSemicolon = this.spaces
        this.spaces = ''
      }
    }
  }

  // Helpers

  getPosition(offset) {
    let pos = this.input.fromOffset(offset)
    return {
      column: pos.col,
      line: pos.line,
      offset
    }
  }

  init(node, offset) {
    this.current.push(node)
    node.source = {
      input: this.input,
      start: this.getPosition(offset)
    }
    node.raws.before = this.spaces
    this.spaces = ''
    if (node.type !== 'comment') this.semicolon = false
  }

  other(start) {
    let end = false
    let type = null
    let colon = false
    let bracket = null
    let brackets = []
    let customProperty = start[1].startsWith('--')

    let tokens = []
    let token = start
    while (token) {
      type = token[0]
      tokens.push(token)

      if (type === '(' || type === '[') {
        if (!bracket) bracket = token
        brackets.push(type === '(' ? ')' : ']')
      } else if (customProperty && colon && type === '{') {
        if (!bracket) bracket = token
        brackets.push('}')
      } else if (brackets.length === 0) {
        if (type === ';') {
          if (colon) {
            this.decl(tokens, customProperty)
            return
          } else {
            break
          }
        } else if (type === '{') {
          this.rule(tokens)
          return
        } else if (type === '}') {
          this.tokenizer.back(tokens.pop())
          end = true
          break
        } else if (type === ':') {
          colon = true
        }
      } else if (type === brackets[brackets.length - 1]) {
        brackets.pop()
        if (brackets.length === 0) bracket = null
      }

      token = this.tokenizer.nextToken()
    }

    if (this.tokenizer.endOfFile()) end = true
    if (brackets.length > 0) this.unclosedBracket(bracket)

    if (end && colon) {
      if (!customProperty) {
        while (tokens.length) {
          token = tokens[tokens.length - 1][0]
          if (token !== 'space' && token !== 'comment') break
          this.tokenizer.back(tokens.pop())
        }
      }
      this.decl(tokens, customProperty)
    } else {
      this.unknownWord(tokens)
    }
  }

  parse() {
    let token
    while (!this.tokenizer.endOfFile()) {
      token = this.tokenizer.nextToken()

      switch (token[0]) {
        case 'space':
          this.spaces += token[1]
          break

        case ';':
          this.freeSemicolon(token)
          break

        case '}':
          this.end(token)
          break

        case 'comment':
          this.comment(token)
          break

        case 'at-word':
          this.atrule(token)
          break

        case '{':
          this.emptyRule(token)
          break

        default:
          this.other(token)
          break
      }
    }
    this.endFile()
  }

  precheckMissedSemicolon(/* tokens */) {
    // Hook for Safe Parser
  }

  raw(node, prop, tokens, customProperty) {
    let token, type
    let length = tokens.length
    let value = ''
    let clean = true
    let next, prev

    for (let i = 0; i < length; i += 1) {
      token = tokens[i]
      type = token[0]
      if (type === 'space' && i === length - 1 && !customProperty) {
        clean = false
      } else if (type === 'comment') {
        prev = tokens[i - 1] ? tokens[i - 1][0] : 'empty'
        next = tokens[i + 1] ? tokens[i + 1][0] : 'empty'
        if (!SAFE_COMMENT_NEIGHBOR[prev] && !SAFE_COMMENT_NEIGHBOR[next]) {
          if (value.slice(-1) === ',') {
            clean = false
          } else {
            value += token[1]
          }
        } else {
          clean = false
        }
      } else {
        value += token[1]
      }
    }
    if (!clean) {
      let raw = tokens.reduce((all, i) => all + i[1], '')
      node.raws[prop] = { raw, value }
    }
    node[prop] = value
  }

  rule(tokens) {
    tokens.pop()

    let node = new Rule()
    this.init(node, tokens[0][2])

    node.raws.between = this.spacesAndCommentsFromEnd(tokens)
    this.raw(node, 'selector', tokens)
    this.current = node
  }

  spacesAndCommentsFromEnd(tokens) {
    let lastTokenType
    let spaces = ''
    while (tokens.length) {
      lastTokenType = tokens[tokens.length - 1][0]
      if (lastTokenType !== 'space' && lastTokenType !== 'comment') break
      spaces = tokens.pop()[1] + spaces
    }
    return spaces
  }

  // Errors

  spacesAndCommentsFromStart(tokens) {
    let next
    let spaces = ''
    while (tokens.length) {
      next = tokens[0][0]
      if (next !== 'space' && next !== 'comment') break
      spaces += tokens.shift()[1]
    }
    return spaces
  }

  spacesFromEnd(tokens) {
    let lastTokenType
    let spaces = ''
    while (tokens.length) {
      lastTokenType = tokens[tokens.length - 1][0]
      if (lastTokenType !== 'space') break
      spaces = tokens.pop()[1] + spaces
    }
    return spaces
  }

  stringFrom(tokens, from) {
    let result = ''
    for (let i = from; i < tokens.length; i++) {
      result += tokens[i][1]
    }
    tokens.splice(from, tokens.length - from)
    return result
  }

  unclosedBlock() {
    let pos = this.current.source.start
    throw this.input.error('Unclosed block', pos.line, pos.column)
  }

  unclosedBracket(bracket) {
    throw this.input.error(
      'Unclosed bracket',
      { offset: bracket[2] },
      { offset: bracket[2] + 1 }
    )
  }

  unexpectedClose(token) {
    throw this.input.error(
      'Unexpected }',
      { offset: token[2] },
      { offset: token[2] + 1 }
    )
  }

  unknownWord(tokens) {
    throw this.input.error(
      'Unknown word',
      { offset: tokens[0][2] },
      { offset: tokens[0][2] + tokens[0][1].length }
    )
  }

  unnamedAtrule(node, token) {
    throw this.input.error(
      'At-rule without name',
      { offset: token[2] },
      { offset: token[2] + token[1].length }
    )
  }
}

module.exports = Parser

},{"./at-rule":35,"./comment":36,"./declaration":39,"./root":54,"./rule":55,"./tokenize":59}],50:[function(require,module,exports){
(function (process){(function (){
'use strict'

let CssSyntaxError = require('./css-syntax-error')
let Declaration = require('./declaration')
let LazyResult = require('./lazy-result')
let Container = require('./container')
let Processor = require('./processor')
let stringify = require('./stringify')
let fromJSON = require('./fromJSON')
let Document = require('./document')
let Warning = require('./warning')
let Comment = require('./comment')
let AtRule = require('./at-rule')
let Result = require('./result.js')
let Input = require('./input')
let parse = require('./parse')
let list = require('./list')
let Rule = require('./rule')
let Root = require('./root')
let Node = require('./node')

function postcss(...plugins) {
  if (plugins.length === 1 && Array.isArray(plugins[0])) {
    plugins = plugins[0]
  }
  return new Processor(plugins)
}

postcss.plugin = function plugin(name, initializer) {
  let warningPrinted = false
  function creator(...args) {
    // eslint-disable-next-line no-console
    if (console && console.warn && !warningPrinted) {
      warningPrinted = true
      // eslint-disable-next-line no-console
      console.warn(
        name +
          ': postcss.plugin was deprecated. Migration guide:\n' +
          'https://evilmartians.com/chronicles/postcss-8-plugin-migration'
      )
      if (process.env.LANG && process.env.LANG.startsWith('cn')) {
        /* c8 ignore next 7 */
        // eslint-disable-next-line no-console
        console.warn(
          name +
            ': 里面 postcss.plugin 被弃用. 迁移指南:\n' +
            'https://www.w3ctech.com/topic/2226'
        )
      }
    }
    let transformer = initializer(...args)
    transformer.postcssPlugin = name
    transformer.postcssVersion = new Processor().version
    return transformer
  }

  let cache
  Object.defineProperty(creator, 'postcss', {
    get() {
      if (!cache) cache = creator()
      return cache
    }
  })

  creator.process = function (css, processOpts, pluginOpts) {
    return postcss([creator(pluginOpts)]).process(css, processOpts)
  }

  return creator
}

postcss.stringify = stringify
postcss.parse = parse
postcss.fromJSON = fromJSON
postcss.list = list

postcss.comment = defaults => new Comment(defaults)
postcss.atRule = defaults => new AtRule(defaults)
postcss.decl = defaults => new Declaration(defaults)
postcss.rule = defaults => new Rule(defaults)
postcss.root = defaults => new Root(defaults)
postcss.document = defaults => new Document(defaults)

postcss.CssSyntaxError = CssSyntaxError
postcss.Declaration = Declaration
postcss.Container = Container
postcss.Processor = Processor
postcss.Document = Document
postcss.Comment = Comment
postcss.Warning = Warning
postcss.AtRule = AtRule
postcss.Result = Result
postcss.Input = Input
postcss.Rule = Rule
postcss.Root = Root
postcss.Node = Node

LazyResult.registerPostcss(postcss)

module.exports = postcss
postcss.default = postcss

}).call(this)}).call(this,require('_process'))
},{"./at-rule":35,"./comment":36,"./container":37,"./css-syntax-error":38,"./declaration":39,"./document":40,"./fromJSON":41,"./input":42,"./lazy-result":43,"./list":44,"./node":47,"./parse":48,"./processor":52,"./result.js":53,"./root":54,"./rule":55,"./stringify":57,"./warning":61,"_process":62}],51:[function(require,module,exports){
(function (Buffer){(function (){
'use strict'

let { SourceMapConsumer, SourceMapGenerator } = require('source-map-js')
let { existsSync, readFileSync } = require('fs')
let { dirname, join } = require('path')

function fromBase64(str) {
  if (Buffer) {
    return Buffer.from(str, 'base64').toString()
  } else {
    /* c8 ignore next 2 */
    return window.atob(str)
  }
}

class PreviousMap {
  constructor(css, opts) {
    if (opts.map === false) return
    this.loadAnnotation(css)
    this.inline = this.startWith(this.annotation, 'data:')

    let prev = opts.map ? opts.map.prev : undefined
    let text = this.loadMap(opts.from, prev)
    if (!this.mapFile && opts.from) {
      this.mapFile = opts.from
    }
    if (this.mapFile) this.root = dirname(this.mapFile)
    if (text) this.text = text
  }

  consumer() {
    if (!this.consumerCache) {
      this.consumerCache = new SourceMapConsumer(this.text)
    }
    return this.consumerCache
  }

  decodeInline(text) {
    let baseCharsetUri = /^data:application\/json;charset=utf-?8;base64,/
    let baseUri = /^data:application\/json;base64,/
    let charsetUri = /^data:application\/json;charset=utf-?8,/
    let uri = /^data:application\/json,/

    if (charsetUri.test(text) || uri.test(text)) {
      return decodeURIComponent(text.substr(RegExp.lastMatch.length))
    }

    if (baseCharsetUri.test(text) || baseUri.test(text)) {
      return fromBase64(text.substr(RegExp.lastMatch.length))
    }

    let encoding = text.match(/data:application\/json;([^,]+),/)[1]
    throw new Error('Unsupported source map encoding ' + encoding)
  }

  getAnnotationURL(sourceMapString) {
    return sourceMapString.replace(/^\/\*\s*# sourceMappingURL=/, '').trim()
  }

  isMap(map) {
    if (typeof map !== 'object') return false
    return (
      typeof map.mappings === 'string' ||
      typeof map._mappings === 'string' ||
      Array.isArray(map.sections)
    )
  }

  loadAnnotation(css) {
    let comments = css.match(/\/\*\s*# sourceMappingURL=/gm)
    if (!comments) return

    // sourceMappingURLs from comments, strings, etc.
    let start = css.lastIndexOf(comments.pop())
    let end = css.indexOf('*/', start)

    if (start > -1 && end > -1) {
      // Locate the last sourceMappingURL to avoid pickin
      this.annotation = this.getAnnotationURL(css.substring(start, end))
    }
  }

  loadFile(path) {
    this.root = dirname(path)
    if (existsSync(path)) {
      this.mapFile = path
      return readFileSync(path, 'utf-8').toString().trim()
    }
  }

  loadMap(file, prev) {
    if (prev === false) return false

    if (prev) {
      if (typeof prev === 'string') {
        return prev
      } else if (typeof prev === 'function') {
        let prevPath = prev(file)
        if (prevPath) {
          let map = this.loadFile(prevPath)
          if (!map) {
            throw new Error(
              'Unable to load previous source map: ' + prevPath.toString()
            )
          }
          return map
        }
      } else if (prev instanceof SourceMapConsumer) {
        return SourceMapGenerator.fromSourceMap(prev).toString()
      } else if (prev instanceof SourceMapGenerator) {
        return prev.toString()
      } else if (this.isMap(prev)) {
        return JSON.stringify(prev)
      } else {
        throw new Error(
          'Unsupported previous source map format: ' + prev.toString()
        )
      }
    } else if (this.inline) {
      return this.decodeInline(this.annotation)
    } else if (this.annotation) {
      let map = this.annotation
      if (file) map = join(dirname(file), map)
      return this.loadFile(map)
    }
  }

  startWith(string, start) {
    if (!string) return false
    return string.substr(0, start.length) === start
  }

  withContent() {
    return !!(
      this.consumer().sourcesContent &&
      this.consumer().sourcesContent.length > 0
    )
  }
}

module.exports = PreviousMap
PreviousMap.default = PreviousMap

}).call(this)}).call(this,require("buffer").Buffer)
},{"buffer":3,"fs":2,"path":2,"source-map-js":2}],52:[function(require,module,exports){
(function (process){(function (){
'use strict'

let NoWorkResult = require('./no-work-result')
let LazyResult = require('./lazy-result')
let Document = require('./document')
let Root = require('./root')

class Processor {
  constructor(plugins = []) {
    this.version = '8.4.31'
    this.plugins = this.normalize(plugins)
  }

  normalize(plugins) {
    let normalized = []
    for (let i of plugins) {
      if (i.postcss === true) {
        i = i()
      } else if (i.postcss) {
        i = i.postcss
      }

      if (typeof i === 'object' && Array.isArray(i.plugins)) {
        normalized = normalized.concat(i.plugins)
      } else if (typeof i === 'object' && i.postcssPlugin) {
        normalized.push(i)
      } else if (typeof i === 'function') {
        normalized.push(i)
      } else if (typeof i === 'object' && (i.parse || i.stringify)) {
        if (process.env.NODE_ENV !== 'production') {
          throw new Error(
            'PostCSS syntaxes cannot be used as plugins. Instead, please use ' +
              'one of the syntax/parser/stringifier options as outlined ' +
              'in your PostCSS runner documentation.'
          )
        }
      } else {
        throw new Error(i + ' is not a PostCSS plugin')
      }
    }
    return normalized
  }

  process(css, opts = {}) {
    if (
      this.plugins.length === 0 &&
      typeof opts.parser === 'undefined' &&
      typeof opts.stringifier === 'undefined' &&
      typeof opts.syntax === 'undefined'
    ) {
      return new NoWorkResult(this, css, opts)
    } else {
      return new LazyResult(this, css, opts)
    }
  }

  use(plugin) {
    this.plugins = this.plugins.concat(this.normalize([plugin]))
    return this
  }
}

module.exports = Processor
Processor.default = Processor

Root.registerProcessor(Processor)
Document.registerProcessor(Processor)

}).call(this)}).call(this,require('_process'))
},{"./document":40,"./lazy-result":43,"./no-work-result":46,"./root":54,"_process":62}],53:[function(require,module,exports){
'use strict'

let Warning = require('./warning')

class Result {
  constructor(processor, root, opts) {
    this.processor = processor
    this.messages = []
    this.root = root
    this.opts = opts
    this.css = undefined
    this.map = undefined
  }

  toString() {
    return this.css
  }

  warn(text, opts = {}) {
    if (!opts.plugin) {
      if (this.lastPlugin && this.lastPlugin.postcssPlugin) {
        opts.plugin = this.lastPlugin.postcssPlugin
      }
    }

    let warning = new Warning(text, opts)
    this.messages.push(warning)

    return warning
  }

  warnings() {
    return this.messages.filter(i => i.type === 'warning')
  }

  get content() {
    return this.css
  }
}

module.exports = Result
Result.default = Result

},{"./warning":61}],54:[function(require,module,exports){
'use strict'

let Container = require('./container')

let LazyResult, Processor

class Root extends Container {
  constructor(defaults) {
    super(defaults)
    this.type = 'root'
    if (!this.nodes) this.nodes = []
  }

  normalize(child, sample, type) {
    let nodes = super.normalize(child)

    if (sample) {
      if (type === 'prepend') {
        if (this.nodes.length > 1) {
          sample.raws.before = this.nodes[1].raws.before
        } else {
          delete sample.raws.before
        }
      } else if (this.first !== sample) {
        for (let node of nodes) {
          node.raws.before = sample.raws.before
        }
      }
    }

    return nodes
  }

  removeChild(child, ignore) {
    let index = this.index(child)

    if (!ignore && index === 0 && this.nodes.length > 1) {
      this.nodes[1].raws.before = this.nodes[index].raws.before
    }

    return super.removeChild(child)
  }

  toResult(opts = {}) {
    let lazy = new LazyResult(new Processor(), this, opts)
    return lazy.stringify()
  }
}

Root.registerLazyResult = dependant => {
  LazyResult = dependant
}

Root.registerProcessor = dependant => {
  Processor = dependant
}

module.exports = Root
Root.default = Root

Container.registerRoot(Root)

},{"./container":37}],55:[function(require,module,exports){
'use strict'

let Container = require('./container')
let list = require('./list')

class Rule extends Container {
  constructor(defaults) {
    super(defaults)
    this.type = 'rule'
    if (!this.nodes) this.nodes = []
  }

  get selectors() {
    return list.comma(this.selector)
  }

  set selectors(values) {
    let match = this.selector ? this.selector.match(/,\s*/) : null
    let sep = match ? match[0] : ',' + this.raw('between', 'beforeOpen')
    this.selector = values.join(sep)
  }
}

module.exports = Rule
Rule.default = Rule

Container.registerRule(Rule)

},{"./container":37,"./list":44}],56:[function(require,module,exports){
'use strict'

const DEFAULT_RAW = {
  after: '\n',
  beforeClose: '\n',
  beforeComment: '\n',
  beforeDecl: '\n',
  beforeOpen: ' ',
  beforeRule: '\n',
  colon: ': ',
  commentLeft: ' ',
  commentRight: ' ',
  emptyBody: '',
  indent: '    ',
  semicolon: false
}

function capitalize(str) {
  return str[0].toUpperCase() + str.slice(1)
}

class Stringifier {
  constructor(builder) {
    this.builder = builder
  }

  atrule(node, semicolon) {
    let name = '@' + node.name
    let params = node.params ? this.rawValue(node, 'params') : ''

    if (typeof node.raws.afterName !== 'undefined') {
      name += node.raws.afterName
    } else if (params) {
      name += ' '
    }

    if (node.nodes) {
      this.block(node, name + params)
    } else {
      let end = (node.raws.between || '') + (semicolon ? ';' : '')
      this.builder(name + params + end, node)
    }
  }

  beforeAfter(node, detect) {
    let value
    if (node.type === 'decl') {
      value = this.raw(node, null, 'beforeDecl')
    } else if (node.type === 'comment') {
      value = this.raw(node, null, 'beforeComment')
    } else if (detect === 'before') {
      value = this.raw(node, null, 'beforeRule')
    } else {
      value = this.raw(node, null, 'beforeClose')
    }

    let buf = node.parent
    let depth = 0
    while (buf && buf.type !== 'root') {
      depth += 1
      buf = buf.parent
    }

    if (value.includes('\n')) {
      let indent = this.raw(node, null, 'indent')
      if (indent.length) {
        for (let step = 0; step < depth; step++) value += indent
      }
    }

    return value
  }

  block(node, start) {
    let between = this.raw(node, 'between', 'beforeOpen')
    this.builder(start + between + '{', node, 'start')

    let after
    if (node.nodes && node.nodes.length) {
      this.body(node)
      after = this.raw(node, 'after')
    } else {
      after = this.raw(node, 'after', 'emptyBody')
    }

    if (after) this.builder(after)
    this.builder('}', node, 'end')
  }

  body(node) {
    let last = node.nodes.length - 1
    while (last > 0) {
      if (node.nodes[last].type !== 'comment') break
      last -= 1
    }

    let semicolon = this.raw(node, 'semicolon')
    for (let i = 0; i < node.nodes.length; i++) {
      let child = node.nodes[i]
      let before = this.raw(child, 'before')
      if (before) this.builder(before)
      this.stringify(child, last !== i || semicolon)
    }
  }

  comment(node) {
    let left = this.raw(node, 'left', 'commentLeft')
    let right = this.raw(node, 'right', 'commentRight')
    this.builder('/*' + left + node.text + right + '*/', node)
  }

  decl(node, semicolon) {
    let between = this.raw(node, 'between', 'colon')
    let string = node.prop + between + this.rawValue(node, 'value')

    if (node.important) {
      string += node.raws.important || ' !important'
    }

    if (semicolon) string += ';'
    this.builder(string, node)
  }

  document(node) {
    this.body(node)
  }

  raw(node, own, detect) {
    let value
    if (!detect) detect = own

    // Already had
    if (own) {
      value = node.raws[own]
      if (typeof value !== 'undefined') return value
    }

    let parent = node.parent

    if (detect === 'before') {
      // Hack for first rule in CSS
      if (!parent || (parent.type === 'root' && parent.first === node)) {
        return ''
      }

      // `root` nodes in `document` should use only their own raws
      if (parent && parent.type === 'document') {
        return ''
      }
    }

    // Floating child without parent
    if (!parent) return DEFAULT_RAW[detect]

    // Detect style by other nodes
    let root = node.root()
    if (!root.rawCache) root.rawCache = {}
    if (typeof root.rawCache[detect] !== 'undefined') {
      return root.rawCache[detect]
    }

    if (detect === 'before' || detect === 'after') {
      return this.beforeAfter(node, detect)
    } else {
      let method = 'raw' + capitalize(detect)
      if (this[method]) {
        value = this[method](root, node)
      } else {
        root.walk(i => {
          value = i.raws[own]
          if (typeof value !== 'undefined') return false
        })
      }
    }

    if (typeof value === 'undefined') value = DEFAULT_RAW[detect]

    root.rawCache[detect] = value
    return value
  }

  rawBeforeClose(root) {
    let value
    root.walk(i => {
      if (i.nodes && i.nodes.length > 0) {
        if (typeof i.raws.after !== 'undefined') {
          value = i.raws.after
          if (value.includes('\n')) {
            value = value.replace(/[^\n]+$/, '')
          }
          return false
        }
      }
    })
    if (value) value = value.replace(/\S/g, '')
    return value
  }

  rawBeforeComment(root, node) {
    let value
    root.walkComments(i => {
      if (typeof i.raws.before !== 'undefined') {
        value = i.raws.before
        if (value.includes('\n')) {
          value = value.replace(/[^\n]+$/, '')
        }
        return false
      }
    })
    if (typeof value === 'undefined') {
      value = this.raw(node, null, 'beforeDecl')
    } else if (value) {
      value = value.replace(/\S/g, '')
    }
    return value
  }

  rawBeforeDecl(root, node) {
    let value
    root.walkDecls(i => {
      if (typeof i.raws.before !== 'undefined') {
        value = i.raws.before
        if (value.includes('\n')) {
          value = value.replace(/[^\n]+$/, '')
        }
        return false
      }
    })
    if (typeof value === 'undefined') {
      value = this.raw(node, null, 'beforeRule')
    } else if (value) {
      value = value.replace(/\S/g, '')
    }
    return value
  }

  rawBeforeOpen(root) {
    let value
    root.walk(i => {
      if (i.type !== 'decl') {
        value = i.raws.between
        if (typeof value !== 'undefined') return false
      }
    })
    return value
  }

  rawBeforeRule(root) {
    let value
    root.walk(i => {
      if (i.nodes && (i.parent !== root || root.first !== i)) {
        if (typeof i.raws.before !== 'undefined') {
          value = i.raws.before
          if (value.includes('\n')) {
            value = value.replace(/[^\n]+$/, '')
          }
          return false
        }
      }
    })
    if (value) value = value.replace(/\S/g, '')
    return value
  }

  rawColon(root) {
    let value
    root.walkDecls(i => {
      if (typeof i.raws.between !== 'undefined') {
        value = i.raws.between.replace(/[^\s:]/g, '')
        return false
      }
    })
    return value
  }

  rawEmptyBody(root) {
    let value
    root.walk(i => {
      if (i.nodes && i.nodes.length === 0) {
        value = i.raws.after
        if (typeof value !== 'undefined') return false
      }
    })
    return value
  }

  rawIndent(root) {
    if (root.raws.indent) return root.raws.indent
    let value
    root.walk(i => {
      let p = i.parent
      if (p && p !== root && p.parent && p.parent === root) {
        if (typeof i.raws.before !== 'undefined') {
          let parts = i.raws.before.split('\n')
          value = parts[parts.length - 1]
          value = value.replace(/\S/g, '')
          return false
        }
      }
    })
    return value
  }

  rawSemicolon(root) {
    let value
    root.walk(i => {
      if (i.nodes && i.nodes.length && i.last.type === 'decl') {
        value = i.raws.semicolon
        if (typeof value !== 'undefined') return false
      }
    })
    return value
  }

  rawValue(node, prop) {
    let value = node[prop]
    let raw = node.raws[prop]
    if (raw && raw.value === value) {
      return raw.raw
    }

    return value
  }

  root(node) {
    this.body(node)
    if (node.raws.after) this.builder(node.raws.after)
  }

  rule(node) {
    this.block(node, this.rawValue(node, 'selector'))
    if (node.raws.ownSemicolon) {
      this.builder(node.raws.ownSemicolon, node, 'end')
    }
  }

  stringify(node, semicolon) {
    /* c8 ignore start */
    if (!this[node.type]) {
      throw new Error(
        'Unknown AST node type ' +
          node.type +
          '. ' +
          'Maybe you need to change PostCSS stringifier.'
      )
    }
    /* c8 ignore stop */
    this[node.type](node, semicolon)
  }
}

module.exports = Stringifier
Stringifier.default = Stringifier

},{}],57:[function(require,module,exports){
'use strict'

let Stringifier = require('./stringifier')

function stringify(node, builder) {
  let str = new Stringifier(builder)
  str.stringify(node)
}

module.exports = stringify
stringify.default = stringify

},{"./stringifier":56}],58:[function(require,module,exports){
'use strict'

module.exports.isClean = Symbol('isClean')

module.exports.my = Symbol('my')

},{}],59:[function(require,module,exports){
'use strict'

const SINGLE_QUOTE = "'".charCodeAt(0)
const DOUBLE_QUOTE = '"'.charCodeAt(0)
const BACKSLASH = '\\'.charCodeAt(0)
const SLASH = '/'.charCodeAt(0)
const NEWLINE = '\n'.charCodeAt(0)
const SPACE = ' '.charCodeAt(0)
const FEED = '\f'.charCodeAt(0)
const TAB = '\t'.charCodeAt(0)
const CR = '\r'.charCodeAt(0)
const OPEN_SQUARE = '['.charCodeAt(0)
const CLOSE_SQUARE = ']'.charCodeAt(0)
const OPEN_PARENTHESES = '('.charCodeAt(0)
const CLOSE_PARENTHESES = ')'.charCodeAt(0)
const OPEN_CURLY = '{'.charCodeAt(0)
const CLOSE_CURLY = '}'.charCodeAt(0)
const SEMICOLON = ';'.charCodeAt(0)
const ASTERISK = '*'.charCodeAt(0)
const COLON = ':'.charCodeAt(0)
const AT = '@'.charCodeAt(0)

const RE_AT_END = /[\t\n\f\r "#'()/;[\\\]{}]/g
const RE_WORD_END = /[\t\n\f\r !"#'():;@[\\\]{}]|\/(?=\*)/g
const RE_BAD_BRACKET = /.[\r\n"'(/\\]/
const RE_HEX_ESCAPE = /[\da-f]/i

module.exports = function tokenizer(input, options = {}) {
  let css = input.css.valueOf()
  let ignore = options.ignoreErrors

  let code, next, quote, content, escape
  let escaped, escapePos, prev, n, currentToken

  let length = css.length
  let pos = 0
  let buffer = []
  let returned = []

  function position() {
    return pos
  }

  function unclosed(what) {
    throw input.error('Unclosed ' + what, pos)
  }

  function endOfFile() {
    return returned.length === 0 && pos >= length
  }

  function nextToken(opts) {
    if (returned.length) return returned.pop()
    if (pos >= length) return

    let ignoreUnclosed = opts ? opts.ignoreUnclosed : false

    code = css.charCodeAt(pos)

    switch (code) {
      case NEWLINE:
      case SPACE:
      case TAB:
      case CR:
      case FEED: {
        next = pos
        do {
          next += 1
          code = css.charCodeAt(next)
        } while (
          code === SPACE ||
          code === NEWLINE ||
          code === TAB ||
          code === CR ||
          code === FEED
        )

        currentToken = ['space', css.slice(pos, next)]
        pos = next - 1
        break
      }

      case OPEN_SQUARE:
      case CLOSE_SQUARE:
      case OPEN_CURLY:
      case CLOSE_CURLY:
      case COLON:
      case SEMICOLON:
      case CLOSE_PARENTHESES: {
        let controlChar = String.fromCharCode(code)
        currentToken = [controlChar, controlChar, pos]
        break
      }

      case OPEN_PARENTHESES: {
        prev = buffer.length ? buffer.pop()[1] : ''
        n = css.charCodeAt(pos + 1)
        if (
          prev === 'url' &&
          n !== SINGLE_QUOTE &&
          n !== DOUBLE_QUOTE &&
          n !== SPACE &&
          n !== NEWLINE &&
          n !== TAB &&
          n !== FEED &&
          n !== CR
        ) {
          next = pos
          do {
            escaped = false
            next = css.indexOf(')', next + 1)
            if (next === -1) {
              if (ignore || ignoreUnclosed) {
                next = pos
                break
              } else {
                unclosed('bracket')
              }
            }
            escapePos = next
            while (css.charCodeAt(escapePos - 1) === BACKSLASH) {
              escapePos -= 1
              escaped = !escaped
            }
          } while (escaped)

          currentToken = ['brackets', css.slice(pos, next + 1), pos, next]

          pos = next
        } else {
          next = css.indexOf(')', pos + 1)
          content = css.slice(pos, next + 1)

          if (next === -1 || RE_BAD_BRACKET.test(content)) {
            currentToken = ['(', '(', pos]
          } else {
            currentToken = ['brackets', content, pos, next]
            pos = next
          }
        }

        break
      }

      case SINGLE_QUOTE:
      case DOUBLE_QUOTE: {
        quote = code === SINGLE_QUOTE ? "'" : '"'
        next = pos
        do {
          escaped = false
          next = css.indexOf(quote, next + 1)
          if (next === -1) {
            if (ignore || ignoreUnclosed) {
              next = pos + 1
              break
            } else {
              unclosed('string')
            }
          }
          escapePos = next
          while (css.charCodeAt(escapePos - 1) === BACKSLASH) {
            escapePos -= 1
            escaped = !escaped
          }
        } while (escaped)

        currentToken = ['string', css.slice(pos, next + 1), pos, next]
        pos = next
        break
      }

      case AT: {
        RE_AT_END.lastIndex = pos + 1
        RE_AT_END.test(css)
        if (RE_AT_END.lastIndex === 0) {
          next = css.length - 1
        } else {
          next = RE_AT_END.lastIndex - 2
        }

        currentToken = ['at-word', css.slice(pos, next + 1), pos, next]

        pos = next
        break
      }

      case BACKSLASH: {
        next = pos
        escape = true
        while (css.charCodeAt(next + 1) === BACKSLASH) {
          next += 1
          escape = !escape
        }
        code = css.charCodeAt(next + 1)
        if (
          escape &&
          code !== SLASH &&
          code !== SPACE &&
          code !== NEWLINE &&
          code !== TAB &&
          code !== CR &&
          code !== FEED
        ) {
          next += 1
          if (RE_HEX_ESCAPE.test(css.charAt(next))) {
            while (RE_HEX_ESCAPE.test(css.charAt(next + 1))) {
              next += 1
            }
            if (css.charCodeAt(next + 1) === SPACE) {
              next += 1
            }
          }
        }

        currentToken = ['word', css.slice(pos, next + 1), pos, next]

        pos = next
        break
      }

      default: {
        if (code === SLASH && css.charCodeAt(pos + 1) === ASTERISK) {
          next = css.indexOf('*/', pos + 2) + 1
          if (next === 0) {
            if (ignore || ignoreUnclosed) {
              next = css.length
            } else {
              unclosed('comment')
            }
          }

          currentToken = ['comment', css.slice(pos, next + 1), pos, next]
          pos = next
        } else {
          RE_WORD_END.lastIndex = pos + 1
          RE_WORD_END.test(css)
          if (RE_WORD_END.lastIndex === 0) {
            next = css.length - 1
          } else {
            next = RE_WORD_END.lastIndex - 2
          }

          currentToken = ['word', css.slice(pos, next + 1), pos, next]
          buffer.push(currentToken)
          pos = next
        }

        break
      }
    }

    pos++
    return currentToken
  }

  function back(token) {
    returned.push(token)
  }

  return {
    back,
    endOfFile,
    nextToken,
    position
  }
}

},{}],60:[function(require,module,exports){
/* eslint-disable no-console */
'use strict'

let printed = {}

module.exports = function warnOnce(message) {
  if (printed[message]) return
  printed[message] = true

  if (typeof console !== 'undefined' && console.warn) {
    console.warn(message)
  }
}

},{}],61:[function(require,module,exports){
'use strict'

class Warning {
  constructor(text, opts = {}) {
    this.type = 'warning'
    this.text = text

    if (opts.node && opts.node.source) {
      let range = opts.node.rangeBy(opts)
      this.line = range.start.line
      this.column = range.start.column
      this.endLine = range.end.line
      this.endColumn = range.end.column
    }

    for (let opt in opts) this[opt] = opts[opt]
  }

  toString() {
    if (this.node) {
      return this.node.error(this.text, {
        index: this.index,
        plugin: this.plugin,
        word: this.word
      }).message
    }

    if (this.plugin) {
      return this.plugin + ': ' + this.text
    }

    return this.text
  }
}

module.exports = Warning
Warning.default = Warning

},{}],62:[function(require,module,exports){
// shim for using process in browser
var process = module.exports = {};

// cached from whatever global is present so that test runners that stub it
// don't break things.  But we need to wrap it in a try catch in case it is
// wrapped in strict mode code which doesn't define any globals.  It's inside a
// function because try/catches deoptimize in certain engines.

var cachedSetTimeout;
var cachedClearTimeout;

function defaultSetTimout() {
    throw new Error('setTimeout has not been defined');
}
function defaultClearTimeout () {
    throw new Error('clearTimeout has not been defined');
}
(function () {
    try {
        if (typeof setTimeout === 'function') {
            cachedSetTimeout = setTimeout;
        } else {
            cachedSetTimeout = defaultSetTimout;
        }
    } catch (e) {
        cachedSetTimeout = defaultSetTimout;
    }
    try {
        if (typeof clearTimeout === 'function') {
            cachedClearTimeout = clearTimeout;
        } else {
            cachedClearTimeout = defaultClearTimeout;
        }
    } catch (e) {
        cachedClearTimeout = defaultClearTimeout;
    }
} ())
function runTimeout(fun) {
    if (cachedSetTimeout === setTimeout) {
        //normal enviroments in sane situations
        return setTimeout(fun, 0);
    }
    // if setTimeout wasn't available but was latter defined
    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
        cachedSetTimeout = setTimeout;
        return setTimeout(fun, 0);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedSetTimeout(fun, 0);
    } catch(e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
            return cachedSetTimeout.call(null, fun, 0);
        } catch(e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
            return cachedSetTimeout.call(this, fun, 0);
        }
    }


}
function runClearTimeout(marker) {
    if (cachedClearTimeout === clearTimeout) {
        //normal enviroments in sane situations
        return clearTimeout(marker);
    }
    // if clearTimeout wasn't available but was latter defined
    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
        cachedClearTimeout = clearTimeout;
        return clearTimeout(marker);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedClearTimeout(marker);
    } catch (e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
            return cachedClearTimeout.call(null, marker);
        } catch (e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
            return cachedClearTimeout.call(this, marker);
        }
    }



}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;

function cleanUpNextTick() {
    if (!draining || !currentQueue) {
        return;
    }
    draining = false;
    if (currentQueue.length) {
        queue = currentQueue.concat(queue);
    } else {
        queueIndex = -1;
    }
    if (queue.length) {
        drainQueue();
    }
}

function drainQueue() {
    if (draining) {
        return;
    }
    var timeout = runTimeout(cleanUpNextTick);
    draining = true;

    var len = queue.length;
    while(len) {
        currentQueue = queue;
        queue = [];
        while (++queueIndex < len) {
            if (currentQueue) {
                currentQueue[queueIndex].run();
            }
        }
        queueIndex = -1;
        len = queue.length;
    }
    currentQueue = null;
    draining = false;
    runClearTimeout(timeout);
}

process.nextTick = function (fun) {
    var args = new Array(arguments.length - 1);
    if (arguments.length > 1) {
        for (var i = 1; i < arguments.length; i++) {
            args[i - 1] = arguments[i];
        }
    }
    queue.push(new Item(fun, args));
    if (queue.length === 1 && !draining) {
        runTimeout(drainQueue);
    }
};

// v8 likes predictible objects
function Item(fun, array) {
    this.fun = fun;
    this.array = array;
}
Item.prototype.run = function () {
    this.fun.apply(null, this.array);
};
process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];
process.version = ''; // empty string to avoid regexp issues
process.versions = {};

function noop() {}

process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;
process.prependListener = noop;
process.prependOnceListener = noop;

process.listeners = function (name) { return [] }

process.binding = function (name) {
    throw new Error('process.binding is not supported');
};

process.cwd = function () { return '/' };
process.chdir = function (dir) {
    throw new Error('process.chdir is not supported');
};
process.umask = function() { return 0; };

},{}],63:[function(require,module,exports){
const htmlparser = require('htmlparser2');
const escapeStringRegexp = require('escape-string-regexp');
const { isPlainObject } = require('is-plain-object');
const deepmerge = require('deepmerge');
const parseSrcset = require('parse-srcset');
const { parse: postcssParse } = require('postcss');
// Tags that can conceivably represent stand-alone media.
const mediaTags = [
  'img', 'audio', 'video', 'picture', 'svg',
  'object', 'map', 'iframe', 'embed'
];
// Tags that are inherently vulnerable to being used in XSS attacks.
const vulnerableTags = [ 'script', 'style' ];

function each(obj, cb) {
  if (obj) {
    Object.keys(obj).forEach(function (key) {
      cb(obj[key], key);
    });
  }
}

// Avoid false positives with .__proto__, .hasOwnProperty, etc.
function has(obj, key) {
  return ({}).hasOwnProperty.call(obj, key);
}

// Returns those elements of `a` for which `cb(a)` returns truthy
function filter(a, cb) {
  const n = [];
  each(a, function(v) {
    if (cb(v)) {
      n.push(v);
    }
  });
  return n;
}

function isEmptyObject(obj) {
  for (const key in obj) {
    if (has(obj, key)) {
      return false;
    }
  }
  return true;
}

function stringifySrcset(parsedSrcset) {
  return parsedSrcset.map(function(part) {
    if (!part.url) {
      throw new Error('URL missing');
    }

    return (
      part.url +
      (part.w ? ` ${part.w}w` : '') +
      (part.h ? ` ${part.h}h` : '') +
      (part.d ? ` ${part.d}x` : '')
    );
  }).join(', ');
}

module.exports = sanitizeHtml;

// A valid attribute name.
// We use a tolerant definition based on the set of strings defined by
// html.spec.whatwg.org/multipage/parsing.html#before-attribute-name-state
// and html.spec.whatwg.org/multipage/parsing.html#attribute-name-state .
// The characters accepted are ones which can be appended to the attribute
// name buffer without triggering a parse error:
//   * unexpected-equals-sign-before-attribute-name
//   * unexpected-null-character
//   * unexpected-character-in-attribute-name
// We exclude the empty string because it's impossible to get to the after
// attribute name state with an empty attribute name buffer.
const VALID_HTML_ATTRIBUTE_NAME = /^[^\0\t\n\f\r /<=>]+$/;

// Ignore the _recursing flag; it's there for recursive
// invocation as a guard against this exploit:
// https://github.com/fb55/htmlparser2/issues/105

function sanitizeHtml(html, options, _recursing) {
  if (html == null) {
    return '';
  }
  if (typeof html === 'number') {
    html = html.toString();
  }

  let result = '';
  // Used for hot swapping the result variable with an empty string in order to "capture" the text written to it.
  let tempResult = '';

  function Frame(tag, attribs) {
    const that = this;
    this.tag = tag;
    this.attribs = attribs || {};
    this.tagPosition = result.length;
    this.text = ''; // Node inner text
    this.mediaChildren = [];

    this.updateParentNodeText = function() {
      if (stack.length) {
        const parentFrame = stack[stack.length - 1];
        parentFrame.text += that.text;
      }
    };

    this.updateParentNodeMediaChildren = function() {
      if (stack.length && mediaTags.includes(this.tag)) {
        const parentFrame = stack[stack.length - 1];
        parentFrame.mediaChildren.push(this.tag);
      }
    };
  }

  options = Object.assign({}, sanitizeHtml.defaults, options);
  options.parser = Object.assign({}, htmlParserDefaults, options.parser);

  const tagAllowed = function (name) {
    return options.allowedTags === false || (options.allowedTags || []).indexOf(name) > -1;
  };

  // vulnerableTags
  vulnerableTags.forEach(function (tag) {
    if (tagAllowed(tag) && !options.allowVulnerableTags) {
      console.warn(`\n\n⚠️ Your \`allowedTags\` option includes, \`${tag}\`, which is inherently\nvulnerable to XSS attacks. Please remove it from \`allowedTags\`.\nOr, to disable this warning, add the \`allowVulnerableTags\` option\nand ensure you are accounting for this risk.\n\n`);
    }
  });

  // Tags that contain something other than HTML, or where discarding
  // the text when the tag is disallowed makes sense for other reasons.
  // If we are not allowing these tags, we should drop their content too.
  // For other tags you would drop the tag but keep its content.
  const nonTextTagsArray = options.nonTextTags || [
    'script',
    'style',
    'textarea',
    'option'
  ];
  let allowedAttributesMap;
  let allowedAttributesGlobMap;
  if (options.allowedAttributes) {
    allowedAttributesMap = {};
    allowedAttributesGlobMap = {};
    each(options.allowedAttributes, function(attributes, tag) {
      allowedAttributesMap[tag] = [];
      const globRegex = [];
      attributes.forEach(function(obj) {
        if (typeof obj === 'string' && obj.indexOf('*') >= 0) {
          globRegex.push(escapeStringRegexp(obj).replace(/\\\*/g, '.*'));
        } else {
          allowedAttributesMap[tag].push(obj);
        }
      });
      if (globRegex.length) {
        allowedAttributesGlobMap[tag] = new RegExp('^(' + globRegex.join('|') + ')$');
      }
    });
  }
  const allowedClassesMap = {};
  const allowedClassesGlobMap = {};
  const allowedClassesRegexMap = {};
  each(options.allowedClasses, function(classes, tag) {
    // Implicitly allows the class attribute
    if (allowedAttributesMap) {
      if (!has(allowedAttributesMap, tag)) {
        allowedAttributesMap[tag] = [];
      }
      allowedAttributesMap[tag].push('class');
    }

    allowedClassesMap[tag] = classes;

    if (Array.isArray(classes)) {
      const globRegex = [];
      allowedClassesMap[tag] = [];
      allowedClassesRegexMap[tag] = [];
      classes.forEach(function(obj) {
        if (typeof obj === 'string' && obj.indexOf('*') >= 0) {
          globRegex.push(escapeStringRegexp(obj).replace(/\\\*/g, '.*'));
        } else if (obj instanceof RegExp) {
          allowedClassesRegexMap[tag].push(obj);
        } else {
          allowedClassesMap[tag].push(obj);
        }
      });
      if (globRegex.length) {
        allowedClassesGlobMap[tag] = new RegExp('^(' + globRegex.join('|') + ')$');
      }
    }
  });

  const transformTagsMap = {};
  let transformTagsAll;
  each(options.transformTags, function(transform, tag) {
    let transFun;
    if (typeof transform === 'function') {
      transFun = transform;
    } else if (typeof transform === 'string') {
      transFun = sanitizeHtml.simpleTransform(transform);
    }
    if (tag === '*') {
      transformTagsAll = transFun;
    } else {
      transformTagsMap[tag] = transFun;
    }
  });

  let depth;
  let stack;
  let skipMap;
  let transformMap;
  let skipText;
  let skipTextDepth;
  let addedText = false;

  initializeState();

  const parser = new htmlparser.Parser({
    onopentag: function(name, attribs) {
      // If `enforceHtmlBoundary` is `true` and this has found the opening
      // `html` tag, reset the state.
      if (options.enforceHtmlBoundary && name === 'html') {
        initializeState();
      }

      if (skipText) {
        skipTextDepth++;
        return;
      }
      const frame = new Frame(name, attribs);
      stack.push(frame);

      let skip = false;
      const hasText = !!frame.text;
      let transformedTag;
      if (has(transformTagsMap, name)) {
        transformedTag = transformTagsMap[name](name, attribs);

        frame.attribs = attribs = transformedTag.attribs;

        if (transformedTag.text !== undefined) {
          frame.innerText = transformedTag.text;
        }

        if (name !== transformedTag.tagName) {
          frame.name = name = transformedTag.tagName;
          transformMap[depth] = transformedTag.tagName;
        }
      }
      if (transformTagsAll) {
        transformedTag = transformTagsAll(name, attribs);

        frame.attribs = attribs = transformedTag.attribs;
        if (name !== transformedTag.tagName) {
          frame.name = name = transformedTag.tagName;
          transformMap[depth] = transformedTag.tagName;
        }
      }

      if (!tagAllowed(name) || (options.disallowedTagsMode === 'recursiveEscape' && !isEmptyObject(skipMap)) || (options.nestingLimit != null && depth >= options.nestingLimit)) {
        skip = true;
        skipMap[depth] = true;
        if (options.disallowedTagsMode === 'discard') {
          if (nonTextTagsArray.indexOf(name) !== -1) {
            skipText = true;
            skipTextDepth = 1;
          }
        }
        skipMap[depth] = true;
      }
      depth++;
      if (skip) {
        if (options.disallowedTagsMode === 'discard') {
          // We want the contents but not this tag
          return;
        }
        tempResult = result;
        result = '';
      }
      result += '<' + name;

      if (name === 'script') {
        if (options.allowedScriptHostnames || options.allowedScriptDomains) {
          frame.innerText = '';
        }
      }

      if (!allowedAttributesMap || has(allowedAttributesMap, name) || allowedAttributesMap['*']) {
        each(attribs, function(value, a) {
          if (!VALID_HTML_ATTRIBUTE_NAME.test(a)) {
            // This prevents part of an attribute name in the output from being
            // interpreted as the end of an attribute, or end of a tag.
            delete frame.attribs[a];
            return;
          }
          // If the value is empty, and this is a known non-boolean attribute, delete it
          // List taken from https://html.spec.whatwg.org/multipage/indices.html#attributes-3
          if (value === '' && (options.nonBooleanAttributes.includes(a) || options.nonBooleanAttributes.includes('*'))) {
            delete frame.attribs[a];
            return;
          }
          // check allowedAttributesMap for the element and attribute and modify the value
          // as necessary if there are specific values defined.
          let passedAllowedAttributesMapCheck = false;
          if (!allowedAttributesMap ||
            (has(allowedAttributesMap, name) && allowedAttributesMap[name].indexOf(a) !== -1) ||
            (allowedAttributesMap['*'] && allowedAttributesMap['*'].indexOf(a) !== -1) ||
            (has(allowedAttributesGlobMap, name) && allowedAttributesGlobMap[name].test(a)) ||
            (allowedAttributesGlobMap['*'] && allowedAttributesGlobMap['*'].test(a))) {
            passedAllowedAttributesMapCheck = true;
          } else if (allowedAttributesMap && allowedAttributesMap[name]) {
            for (const o of allowedAttributesMap[name]) {
              if (isPlainObject(o) && o.name && (o.name === a)) {
                passedAllowedAttributesMapCheck = true;
                let newValue = '';
                if (o.multiple === true) {
                  // verify the values that are allowed
                  const splitStrArray = value.split(' ');
                  for (const s of splitStrArray) {
                    if (o.values.indexOf(s) !== -1) {
                      if (newValue === '') {
                        newValue = s;
                      } else {
                        newValue += ' ' + s;
                      }
                    }
                  }
                } else if (o.values.indexOf(value) >= 0) {
                  // verified an allowed value matches the entire attribute value
                  newValue = value;
                }
                value = newValue;
              }
            }
          }
          if (passedAllowedAttributesMapCheck) {
            if (options.allowedSchemesAppliedToAttributes.indexOf(a) !== -1) {
              if (naughtyHref(name, value)) {
                delete frame.attribs[a];
                return;
              }
            }

            if (name === 'script' && a === 'src') {

              let allowed = true;

              try {
                const parsed = parseUrl(value);

                if (options.allowedScriptHostnames || options.allowedScriptDomains) {
                  const allowedHostname = (options.allowedScriptHostnames || []).find(function (hostname) {
                    return hostname === parsed.url.hostname;
                  });
                  const allowedDomain = (options.allowedScriptDomains || []).find(function(domain) {
                    return parsed.url.hostname === domain || parsed.url.hostname.endsWith(`.${domain}`);
                  });
                  allowed = allowedHostname || allowedDomain;
                }
              } catch (e) {
                allowed = false;
              }

              if (!allowed) {
                delete frame.attribs[a];
                return;
              }
            }

            if (name === 'iframe' && a === 'src') {
              let allowed = true;
              try {
                const parsed = parseUrl(value);

                if (parsed.isRelativeUrl) {
                  // default value of allowIframeRelativeUrls is true
                  // unless allowedIframeHostnames or allowedIframeDomains specified
                  allowed = has(options, 'allowIframeRelativeUrls')
                    ? options.allowIframeRelativeUrls
                    : (!options.allowedIframeHostnames && !options.allowedIframeDomains);
                } else if (options.allowedIframeHostnames || options.allowedIframeDomains) {
                  const allowedHostname = (options.allowedIframeHostnames || []).find(function (hostname) {
                    return hostname === parsed.url.hostname;
                  });
                  const allowedDomain = (options.allowedIframeDomains || []).find(function(domain) {
                    return parsed.url.hostname === domain || parsed.url.hostname.endsWith(`.${domain}`);
                  });
                  allowed = allowedHostname || allowedDomain;
                }
              } catch (e) {
                // Unparseable iframe src
                allowed = false;
              }
              if (!allowed) {
                delete frame.attribs[a];
                return;
              }
            }
            if (a === 'srcset') {
              try {
                let parsed = parseSrcset(value);
                parsed.forEach(function(value) {
                  if (naughtyHref('srcset', value.url)) {
                    value.evil = true;
                  }
                });
                parsed = filter(parsed, function(v) {
                  return !v.evil;
                });
                if (!parsed.length) {
                  delete frame.attribs[a];
                  return;
                } else {
                  value = stringifySrcset(filter(parsed, function(v) {
                    return !v.evil;
                  }));
                  frame.attribs[a] = value;
                }
              } catch (e) {
                // Unparseable srcset
                delete frame.attribs[a];
                return;
              }
            }
            if (a === 'class') {
              const allowedSpecificClasses = allowedClassesMap[name];
              const allowedWildcardClasses = allowedClassesMap['*'];
              const allowedSpecificClassesGlob = allowedClassesGlobMap[name];
              const allowedSpecificClassesRegex = allowedClassesRegexMap[name];
              const allowedWildcardClassesGlob = allowedClassesGlobMap['*'];
              const allowedClassesGlobs = [
                allowedSpecificClassesGlob,
                allowedWildcardClassesGlob
              ]
                .concat(allowedSpecificClassesRegex)
                .filter(function (t) {
                  return t;
                });
              if (allowedSpecificClasses && allowedWildcardClasses) {
                value = filterClasses(value, deepmerge(allowedSpecificClasses, allowedWildcardClasses), allowedClassesGlobs);
              } else {
                value = filterClasses(value, allowedSpecificClasses || allowedWildcardClasses, allowedClassesGlobs);
              }
              if (!value.length) {
                delete frame.attribs[a];
                return;
              }
            }
            if (a === 'style') {
              if (options.parseStyleAttributes) {
                try {
                  const abstractSyntaxTree = postcssParse(name + ' {' + value + '}');
                  const filteredAST = filterCss(abstractSyntaxTree, options.allowedStyles);

                  value = stringifyStyleAttributes(filteredAST);

                  if (value.length === 0) {
                    delete frame.attribs[a];
                    return;
                  }
                } catch (e) {
                  if (typeof window !== 'undefined') {
                    console.warn('Failed to parse "' + name + ' {' + value + '}' + '", If you\'re running this in a browser, we recommend to disable style parsing: options.parseStyleAttributes: false, since this only works in a node environment due to a postcss dependency, More info: https://github.com/apostrophecms/sanitize-html/issues/547');
                  }
                  delete frame.attribs[a];
                  return;
                }
              } else if (options.allowedStyles) {
                throw new Error('allowedStyles option cannot be used together with parseStyleAttributes: false.');
              }
            }
            result += ' ' + a;
            if (value && value.length) {
              result += '="' + escapeHtml(value, true) + '"';
            }
          } else {
            delete frame.attribs[a];
          }
        });
      }
      if (options.selfClosing.indexOf(name) !== -1) {
        result += ' />';
      } else {
        result += '>';
        if (frame.innerText && !hasText && !options.textFilter) {
          result += escapeHtml(frame.innerText);
          addedText = true;
        }
      }
      if (skip) {
        result = tempResult + escapeHtml(result);
        tempResult = '';
      }
    },
    ontext: function(text) {
      if (skipText) {
        return;
      }
      const lastFrame = stack[stack.length - 1];
      let tag;

      if (lastFrame) {
        tag = lastFrame.tag;
        // If inner text was set by transform function then let's use it
        text = lastFrame.innerText !== undefined ? lastFrame.innerText : text;
      }

      if (options.disallowedTagsMode === 'discard' && ((tag === 'script') || (tag === 'style'))) {
        // htmlparser2 gives us these as-is. Escaping them ruins the content. Allowing
        // script tags is, by definition, game over for XSS protection, so if that's
        // your concern, don't allow them. The same is essentially true for style tags
        // which have their own collection of XSS vectors.
        result += text;
      } else {
        const escaped = escapeHtml(text, false);
        if (options.textFilter && !addedText) {
          result += options.textFilter(escaped, tag);
        } else if (!addedText) {
          result += escaped;
        }
      }
      if (stack.length) {
        const frame = stack[stack.length - 1];
        frame.text += text;
      }
    },
    onclosetag: function(name, isImplied) {

      if (skipText) {
        skipTextDepth--;
        if (!skipTextDepth) {
          skipText = false;
        } else {
          return;
        }
      }

      const frame = stack.pop();
      if (!frame) {
        // Do not crash on bad markup
        return;
      }

      if (frame.tag !== name) {
        // Another case of bad markup.
        // Push to stack, so that it will be used in future closing tags.
        stack.push(frame);
        return;
      }

      skipText = options.enforceHtmlBoundary ? name === 'html' : false;
      depth--;
      const skip = skipMap[depth];
      if (skip) {
        delete skipMap[depth];
        if (options.disallowedTagsMode === 'discard') {
          frame.updateParentNodeText();
          return;
        }
        tempResult = result;
        result = '';
      }

      if (transformMap[depth]) {
        name = transformMap[depth];
        delete transformMap[depth];
      }

      if (options.exclusiveFilter && options.exclusiveFilter(frame)) {
        result = result.substr(0, frame.tagPosition);
        return;
      }

      frame.updateParentNodeMediaChildren();
      frame.updateParentNodeText();

      if (
        // Already output />
        options.selfClosing.indexOf(name) !== -1 ||
        // Escaped tag, closing tag is implied
        (isImplied && !tagAllowed(name) && [ 'escape', 'recursiveEscape' ].indexOf(options.disallowedTagsMode) >= 0)
      ) {
        if (skip) {
          result = tempResult;
          tempResult = '';
        }
        return;
      }

      result += '</' + name + '>';
      if (skip) {
        result = tempResult + escapeHtml(result);
        tempResult = '';
      }
      addedText = false;
    }
  }, options.parser);
  parser.write(html);
  parser.end();

  return result;

  function initializeState() {
    result = '';
    depth = 0;
    stack = [];
    skipMap = {};
    transformMap = {};
    skipText = false;
    skipTextDepth = 0;
  }

  function escapeHtml(s, quote) {
    if (typeof (s) !== 'string') {
      s = s + '';
    }
    if (options.parser.decodeEntities) {
      s = s.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
      if (quote) {
        s = s.replace(/"/g, '&quot;');
      }
    }
    // TODO: this is inadequate because it will pass `&0;`. This approach
    // will not work, each & must be considered with regard to whether it
    // is followed by a 100% syntactically valid entity or not, and escaped
    // if it is not. If this bothers you, don't set parser.decodeEntities
    // to false. (The default is true.)
    s = s.replace(/&(?![a-zA-Z0-9#]{1,20};)/g, '&amp;') // Match ampersands not part of existing HTML entity
      .replace(/</g, '&lt;')
      .replace(/>/g, '&gt;');
    if (quote) {
      s = s.replace(/"/g, '&quot;');
    }
    return s;
  }

  function naughtyHref(name, href) {
    // Browsers ignore character codes of 32 (space) and below in a surprising
    // number of situations. Start reading here:
    // https://www.owasp.org/index.php/XSS_Filter_Evasion_Cheat_Sheet#Embedded_tab
    // eslint-disable-next-line no-control-regex
    href = href.replace(/[\x00-\x20]+/g, '');
    // Clobber any comments in URLs, which the browser might
    // interpret inside an XML data island, allowing
    // a javascript: URL to be snuck through
    while (true) {
      const firstIndex = href.indexOf('<!--');
      if (firstIndex === -1) {
        break;
      }
      const lastIndex = href.indexOf('-->', firstIndex + 4);
      if (lastIndex === -1) {
        break;
      }
      href = href.substring(0, firstIndex) + href.substring(lastIndex + 3);
    }
    // Case insensitive so we don't get faked out by JAVASCRIPT #1
    // Allow more characters after the first so we don't get faked
    // out by certain schemes browsers accept
    const matches = href.match(/^([a-zA-Z][a-zA-Z0-9.\-+]*):/);
    if (!matches) {
      // Protocol-relative URL starting with any combination of '/' and '\'
      if (href.match(/^[/\\]{2}/)) {
        return !options.allowProtocolRelative;
      }

      // No scheme
      return false;
    }
    const scheme = matches[1].toLowerCase();

    if (has(options.allowedSchemesByTag, name)) {
      return options.allowedSchemesByTag[name].indexOf(scheme) === -1;
    }

    return !options.allowedSchemes || options.allowedSchemes.indexOf(scheme) === -1;
  }

  function parseUrl(value) {
    value = value.replace(/^(\w+:)?\s*[\\/]\s*[\\/]/, '$1//');
    if (value.startsWith('relative:')) {
      // An attempt to exploit our workaround for base URLs being
      // mandatory for relative URL validation in the WHATWG
      // URL parser, reject it
      throw new Error('relative: exploit attempt');
    }
    // naughtyHref is in charge of whether protocol relative URLs
    // are cool. Here we are concerned just with allowed hostnames and
    // whether to allow relative URLs.
    //
    // Build a placeholder "base URL" against which any reasonable
    // relative URL may be parsed successfully
    let base = 'relative://relative-site';
    for (let i = 0; (i < 100); i++) {
      base += `/${i}`;
    }

    const parsed = new URL(value, base);

    const isRelativeUrl = parsed && parsed.hostname === 'relative-site' && parsed.protocol === 'relative:';
    return {
      isRelativeUrl,
      url: parsed
    };
  }
  /**
   * Filters user input css properties by allowlisted regex attributes.
   * Modifies the abstractSyntaxTree object.
   *
   * @param {object} abstractSyntaxTree  - Object representation of CSS attributes.
   * @property {array[Declaration]} abstractSyntaxTree.nodes[0] - Each object cointains prop and value key, i.e { prop: 'color', value: 'red' }.
   * @param {object} allowedStyles       - Keys are properties (i.e color), value is list of permitted regex rules (i.e /green/i).
   * @return {object}                    - The modified tree.
   */
  function filterCss(abstractSyntaxTree, allowedStyles) {
    if (!allowedStyles) {
      return abstractSyntaxTree;
    }

    const astRules = abstractSyntaxTree.nodes[0];
    let selectedRule;

    // Merge global and tag-specific styles into new AST.
    if (allowedStyles[astRules.selector] && allowedStyles['*']) {
      selectedRule = deepmerge(
        allowedStyles[astRules.selector],
        allowedStyles['*']
      );
    } else {
      selectedRule = allowedStyles[astRules.selector] || allowedStyles['*'];
    }

    if (selectedRule) {
      abstractSyntaxTree.nodes[0].nodes = astRules.nodes.reduce(filterDeclarations(selectedRule), []);
    }

    return abstractSyntaxTree;
  }

  /**
   * Extracts the style attributes from an AbstractSyntaxTree and formats those
   * values in the inline style attribute format.
   *
   * @param  {AbstractSyntaxTree} filteredAST
   * @return {string}             - Example: "color:yellow;text-align:center !important;font-family:helvetica;"
   */
  function stringifyStyleAttributes(filteredAST) {
    return filteredAST.nodes[0].nodes
      .reduce(function(extractedAttributes, attrObject) {
        extractedAttributes.push(
          `${attrObject.prop}:${attrObject.value}${attrObject.important ? ' !important' : ''}`
        );
        return extractedAttributes;
      }, [])
      .join(';');
  }

  /**
    * Filters the existing attributes for the given property. Discards any attributes
    * which don't match the allowlist.
    *
    * @param  {object} selectedRule             - Example: { color: red, font-family: helvetica }
    * @param  {array} allowedDeclarationsList   - List of declarations which pass the allowlist.
    * @param  {object} attributeObject          - Object representing the current css property.
    * @property {string} attributeObject.type   - Typically 'declaration'.
    * @property {string} attributeObject.prop   - The CSS property, i.e 'color'.
    * @property {string} attributeObject.value  - The corresponding value to the css property, i.e 'red'.
    * @return {function}                        - When used in Array.reduce, will return an array of Declaration objects
    */
  function filterDeclarations(selectedRule) {
    return function (allowedDeclarationsList, attributeObject) {
      // If this property is allowlisted...
      if (has(selectedRule, attributeObject.prop)) {
        const matchesRegex = selectedRule[attributeObject.prop].some(function(regularExpression) {
          return regularExpression.test(attributeObject.value);
        });

        if (matchesRegex) {
          allowedDeclarationsList.push(attributeObject);
        }
      }
      return allowedDeclarationsList;
    };
  }

  function filterClasses(classes, allowed, allowedGlobs) {
    if (!allowed) {
      // The class attribute is allowed without filtering on this tag
      return classes;
    }
    classes = classes.split(/\s+/);
    return classes.filter(function(clss) {
      return allowed.indexOf(clss) !== -1 || allowedGlobs.some(function(glob) {
        return glob.test(clss);
      });
    }).join(' ');
  }
}

// Defaults are accessible to you so that you can use them as a starting point
// programmatically if you wish

const htmlParserDefaults = {
  decodeEntities: true
};
sanitizeHtml.defaults = {
  allowedTags: [
    // Sections derived from MDN element categories and limited to the more
    // benign categories.
    // https://developer.mozilla.org/en-US/docs/Web/HTML/Element
    // Content sectioning
    'address', 'article', 'aside', 'footer', 'header',
    'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'hgroup',
    'main', 'nav', 'section',
    // Text content
    'blockquote', 'dd', 'div', 'dl', 'dt', 'figcaption', 'figure',
    'hr', 'li', 'main', 'ol', 'p', 'pre', 'ul',
    // Inline text semantics
    'a', 'abbr', 'b', 'bdi', 'bdo', 'br', 'cite', 'code', 'data', 'dfn',
    'em', 'i', 'kbd', 'mark', 'q',
    'rb', 'rp', 'rt', 'rtc', 'ruby',
    's', 'samp', 'small', 'span', 'strong', 'sub', 'sup', 'time', 'u', 'var', 'wbr',
    // Table content
    'caption', 'col', 'colgroup', 'table', 'tbody', 'td', 'tfoot', 'th',
    'thead', 'tr'
  ],
  // Tags that cannot be boolean
  nonBooleanAttributes: [
    'abbr', 'accept', 'accept-charset', 'accesskey', 'action',
    'allow', 'alt', 'as', 'autocapitalize', 'autocomplete',
    'blocking', 'charset', 'cite', 'class', 'color', 'cols',
    'colspan', 'content', 'contenteditable', 'coords', 'crossorigin',
    'data', 'datetime', 'decoding', 'dir', 'dirname', 'download',
    'draggable', 'enctype', 'enterkeyhint', 'fetchpriority', 'for',
    'form', 'formaction', 'formenctype', 'formmethod', 'formtarget',
    'headers', 'height', 'hidden', 'high', 'href', 'hreflang',
    'http-equiv', 'id', 'imagesizes', 'imagesrcset', 'inputmode',
    'integrity', 'is', 'itemid', 'itemprop', 'itemref', 'itemtype',
    'kind', 'label', 'lang', 'list', 'loading', 'low', 'max',
    'maxlength', 'media', 'method', 'min', 'minlength', 'name',
    'nonce', 'optimum', 'pattern', 'ping', 'placeholder', 'popover',
    'popovertarget', 'popovertargetaction', 'poster', 'preload',
    'referrerpolicy', 'rel', 'rows', 'rowspan', 'sandbox', 'scope',
    'shape', 'size', 'sizes', 'slot', 'span', 'spellcheck', 'src',
    'srcdoc', 'srclang', 'srcset', 'start', 'step', 'style',
    'tabindex', 'target', 'title', 'translate', 'type', 'usemap',
    'value', 'width', 'wrap',
    // Event handlers
    'onauxclick', 'onafterprint', 'onbeforematch', 'onbeforeprint',
    'onbeforeunload', 'onbeforetoggle', 'onblur', 'oncancel',
    'oncanplay', 'oncanplaythrough', 'onchange', 'onclick', 'onclose',
    'oncontextlost', 'oncontextmenu', 'oncontextrestored', 'oncopy',
    'oncuechange', 'oncut', 'ondblclick', 'ondrag', 'ondragend',
    'ondragenter', 'ondragleave', 'ondragover', 'ondragstart',
    'ondrop', 'ondurationchange', 'onemptied', 'onended',
    'onerror', 'onfocus', 'onformdata', 'onhashchange', 'oninput',
    'oninvalid', 'onkeydown', 'onkeypress', 'onkeyup',
    'onlanguagechange', 'onload', 'onloadeddata', 'onloadedmetadata',
    'onloadstart', 'onmessage', 'onmessageerror', 'onmousedown',
    'onmouseenter', 'onmouseleave', 'onmousemove', 'onmouseout',
    'onmouseover', 'onmouseup', 'onoffline', 'ononline', 'onpagehide',
    'onpageshow', 'onpaste', 'onpause', 'onplay', 'onplaying',
    'onpopstate', 'onprogress', 'onratechange', 'onreset', 'onresize',
    'onrejectionhandled', 'onscroll', 'onscrollend',
    'onsecuritypolicyviolation', 'onseeked', 'onseeking', 'onselect',
    'onslotchange', 'onstalled', 'onstorage', 'onsubmit', 'onsuspend',
    'ontimeupdate', 'ontoggle', 'onunhandledrejection', 'onunload',
    'onvolumechange', 'onwaiting', 'onwheel'
  ],
  disallowedTagsMode: 'discard',
  allowedAttributes: {
    a: [ 'href', 'name', 'target' ],
    // We don't currently allow img itself by default, but
    // these attributes would make sense if we did.
    img: [ 'src', 'srcset', 'alt', 'title', 'width', 'height', 'loading' ]
  },
  // Lots of these won't come up by default because we don't allow them
  selfClosing: [ 'img', 'br', 'hr', 'area', 'base', 'basefont', 'input', 'link', 'meta' ],
  // URL schemes we permit
  allowedSchemes: [ 'http', 'https', 'ftp', 'mailto', 'tel' ],
  allowedSchemesByTag: {},
  allowedSchemesAppliedToAttributes: [ 'href', 'src', 'cite' ],
  allowProtocolRelative: true,
  enforceHtmlBoundary: false,
  parseStyleAttributes: true
};

sanitizeHtml.simpleTransform = function(newTagName, newAttribs, merge) {
  merge = (merge === undefined) ? true : merge;
  newAttribs = newAttribs || {};

  return function(tagName, attribs) {
    let attrib;
    if (merge) {
      for (attrib in newAttribs) {
        attribs[attrib] = newAttribs[attrib];
      }
    } else {
      attribs = newAttribs;
    }

    return {
      tagName: newTagName,
      attribs: attribs
    };
  };
};

},{"deepmerge":4,"escape-string-regexp":26,"htmlparser2":29,"is-plain-object":31,"parse-srcset":33,"postcss":50}],64:[function(require,module,exports){
const sanitizeHtml = require("sanitize-html");

/** @typedef {{removeExtraParagraphSpacing?: boolean}} Options */

const loadingGif =
    "https://raw.githubusercontent.com/LNReader/lnreader/plugins/android/app/src/main/assets/images/loading.gif";

/**
 *
 * @param {string} html
 * @param {Options?} options
 */
window.sanitizeChapterText = (html, options) => {
    if (html) {
        html = html.replace(/&lt;/g, "<").replace(/&gt;/g, ">");
    }
    let text = sanitizeHtml(html, {
        allowedTags: sanitizeHtml.defaults.allowedTags.concat([
            "img",
            "i",
            "em",
            "b",
            "a",
            "div",
        ]),
        allowedAttributes: {
            img: ["src"],
            a: ["href"],
        },
        allowedSchemes: ["data", "http", "https", "file"],
    });
    if (text) {
        if (options?.removeExtraParagraphSpacing) {
            text = text
                .replace(/<\s*br[^>]*>/gi, "\n")
                .replace(/\n{2,}/g, "\n\n");
        }
        const imgHandlerRegex = /<img([^>]*src="[^"]+"[^>]*)>/g;
        const ttsHandlerRegex =
            /(< *\w+ *>[^<.?!]+< *\/\w+ *>|< *a *href *= *"[^"]+" *>\s*(<img[^>]+>|[^<]+|(< *\w+ *>[^]+< *\/\w+ *>)*)\s*< *\/a *>|< *img[^>]+>|[^<>.?!]+[.?!])/g;
        // first -> match whole tags which dont have attribute and [.?!] inside
        // second -> match a tags and its childs
        // third -> match img tags
        // match sentence split by [.?!]

        text = text
            .replace(
                imgHandlerRegex,
                `<img alt="Plugin can't fetch this img" onload="reader.refresh()" onerror="this.setAttribute('error-src', this.src);reader.post({type:'error-img',data:this.src});this.src='${loadingGif}';this.onerror=undefined" $1>`
            )
            .replace(ttsHandlerRegex, "<t-t-s>$1</t-t-s>");
    } else {
        text = "HTML is empty";
    }
    return text;
};

},{"sanitize-html":63}]},{},[64]);