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From mradhakrish...@apache.org
Subject [16/56] [abbrv] ambari git commit: AMBARI-21955. Update React version to 15.6.2 to get MIT license. (Sanket Shah via yusaku)
Date Mon, 30 Oct 2017 22:35:42 GMT
http://git-wip-us.apache.org/repos/asf/ambari/blob/5bdede50/contrib/views/storm/src/main/resources/libs/jsx/JSXTransformer.js
----------------------------------------------------------------------
diff --git a/contrib/views/storm/src/main/resources/libs/jsx/JSXTransformer.js b/contrib/views/storm/src/main/resources/libs/jsx/JSXTransformer.js
deleted file mode 100644
index efc63ff..0000000
--- a/contrib/views/storm/src/main/resources/libs/jsx/JSXTransformer.js
+++ /dev/null
@@ -1,15201 +0,0 @@
-/**
- * JSXTransformer v0.12.2
- */
-!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.JSXTransformer=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
-/**
- * Copyright 2013-2014, Facebook, Inc.
- * All rights reserved.
- *
- * This source code is licensed under the BSD-style license found in the
- * LICENSE file in the root directory of this source tree. An additional grant
- * of patent rights can be found in the PATENTS file in the same directory.
- */
-/* jshint browser: true */
-/* jslint evil: true */
-
-'use strict';
-
-var buffer = _dereq_('buffer');
-var transform = _dereq_('jstransform').transform;
-var typesSyntax = _dereq_('jstransform/visitors/type-syntax');
-var visitors = _dereq_('./fbtransform/visitors');
-
-var headEl;
-var dummyAnchor;
-var inlineScriptCount = 0;
-
-// The source-map library relies on Object.defineProperty, but IE8 doesn't
-// support it fully even with es5-sham. Indeed, es5-sham's defineProperty
-// throws when Object.prototype.__defineGetter__ is missing, so we skip building
-// the source map in that case.
-var supportsAccessors = Object.prototype.hasOwnProperty('__defineGetter__');
-
-/**
- * Run provided code through jstransform.
- *
- * @param {string} source Original source code
- * @param {object?} options Options to pass to jstransform
- * @return {object} object as returned from jstransform
- */
-function transformReact(source, options) {
-  // TODO: just use react-tools
-  options = options || {};
-  var visitorList;
-  if (options.harmony) {
-    visitorList = visitors.getAllVisitors();
-  } else {
-    visitorList = visitors.transformVisitors.react;
-  }
-
-  if (options.stripTypes) {
-    // Stripping types needs to happen before the other transforms
-    // unfortunately, due to bad interactions. For example,
-    // es6-rest-param-visitors conflict with stripping rest param type
-    // annotation
-    source = transform(typesSyntax.visitorList, source, options).code;
-  }
-
-  return transform(visitorList, source, {
-    sourceMap: supportsAccessors && options.sourceMap
-  });
-}
-
-/**
- * Eval provided source after transforming it.
- *
- * @param {string} source Original source code
- * @param {object?} options Options to pass to jstransform
- */
-function exec(source, options) {
-  return eval(transformReact(source, options).code);
-}
-
-/**
- * This method returns a nicely formated line of code pointing to the exact
- * location of the error `e`. The line is limited in size so big lines of code
- * are also shown in a readable way.
- *
- * Example:
- * ... x', overflow:'scroll'}} id={} onScroll={this.scroll} class=" ...
- * ^
- *
- * @param {string} code The full string of code
- * @param {Error} e The error being thrown
- * @return {string} formatted message
- * @internal
- */
-function createSourceCodeErrorMessage(code, e) {
-  var sourceLines = code.split('\n');
-  var erroneousLine = sourceLines[e.lineNumber - 1];
-
-  // Removes any leading indenting spaces and gets the number of
-  // chars indenting the `erroneousLine`
-  var indentation = 0;
-  erroneousLine = erroneousLine.replace(/^\s+/, function(leadingSpaces) {
-    indentation = leadingSpaces.length;
-    return '';
-  });
-
-  // Defines the number of characters that are going to show
-  // before and after the erroneous code
-  var LIMIT = 30;
-  var errorColumn = e.column - indentation;
-
-  if (errorColumn > LIMIT) {
-    erroneousLine = '... ' + erroneousLine.slice(errorColumn - LIMIT);
-    errorColumn = 4 + LIMIT;
-  }
-  if (erroneousLine.length - errorColumn > LIMIT) {
-    erroneousLine = erroneousLine.slice(0, errorColumn + LIMIT) + ' ...';
-  }
-  var message = '\n\n' + erroneousLine + '\n';
-  message += new Array(errorColumn - 1).join(' ') + '^';
-  return message;
-}
-
-/**
- * Actually transform the code.
- *
- * @param {string} code
- * @param {string?} url
- * @param {object?} options
- * @return {string} The transformed code.
- * @internal
- */
-function transformCode(code, url, options) {
-  try {
-    var transformed = transformReact(code, options);
-  } catch(e) {
-    e.message += '\n    at ';
-    if (url) {
-      if ('fileName' in e) {
-        // We set `fileName` if it's supported by this error object and
-        // a `url` was provided.
-        // The error will correctly point to `url` in Firefox.
-        e.fileName = url;
-      }
-      e.message += url + ':' + e.lineNumber + ':' + e.column;
-    } else {
-      e.message += location.href;
-    }
-    e.message += createSourceCodeErrorMessage(code, e);
-    throw e;
-  }
-
-  if (!transformed.sourceMap) {
-    return transformed.code;
-  }
-
-  var map = transformed.sourceMap.toJSON();
-  var source;
-  if (url == null) {
-    source = "Inline JSX script";
-    inlineScriptCount++;
-    if (inlineScriptCount > 1) {
-      source += ' (' + inlineScriptCount + ')';
-    }
-  } else if (dummyAnchor) {
-    // Firefox has problems when the sourcemap source is a proper URL with a
-    // protocol and hostname, so use the pathname. We could use just the
-    // filename, but hopefully using the full path will prevent potential
-    // issues where the same filename exists in multiple directories.
-    dummyAnchor.href = url;
-    source = dummyAnchor.pathname.substr(1);
-  }
-  map.sources = [source];
-  map.sourcesContent = [code];
-
-  return (
-    transformed.code +
-    '\n//# sourceMappingURL=data:application/json;base64,' +
-    buffer.Buffer(JSON.stringify(map)).toString('base64')
-  );
-}
-
-
-/**
- * Appends a script element at the end of the <head> with the content of code,
- * after transforming it.
- *
- * @param {string} code The original source code
- * @param {string?} url Where the code came from. null if inline
- * @param {object?} options Options to pass to jstransform
- * @internal
- */
-function run(code, url, options) {
-  var scriptEl = document.createElement('script');
-  scriptEl.text = transformCode(code, url, options);
-  headEl.appendChild(scriptEl);
-}
-
-/**
- * Load script from the provided url and pass the content to the callback.
- *
- * @param {string} url The location of the script src
- * @param {function} callback Function to call with the content of url
- * @internal
- */
-function load(url, successCallback, errorCallback) {
-  var xhr;
-  xhr = window.ActiveXObject ? new window.ActiveXObject('Microsoft.XMLHTTP')
-                             : new XMLHttpRequest();
-
-  // async, however scripts will be executed in the order they are in the
-  // DOM to mirror normal script loading.
-  xhr.open('GET', url, true);
-  if ('overrideMimeType' in xhr) {
-    xhr.overrideMimeType('text/plain');
-  }
-  xhr.onreadystatechange = function() {
-    if (xhr.readyState === 4) {
-      if (xhr.status === 0 || xhr.status === 200) {
-        successCallback(xhr.responseText);
-      } else {
-        errorCallback();
-        throw new Error("Could not load " + url);
-      }
-    }
-  };
-  return xhr.send(null);
-}
-
-/**
- * Loop over provided script tags and get the content, via innerHTML if an
- * inline script, or by using XHR. Transforms are applied if needed. The scripts
- * are executed in the order they are found on the page.
- *
- * @param {array} scripts The <script> elements to load and run.
- * @internal
- */
-function loadScripts(scripts) {
-  var result = [];
-  var count = scripts.length;
-
-  function check() {
-    var script, i;
-
-    for (i = 0; i < count; i++) {
-      script = result[i];
-
-      if (script.loaded && !script.executed) {
-        script.executed = true;
-        run(script.content, script.url, script.options);
-      } else if (!script.loaded && !script.error && !script.async) {
-        break;
-      }
-    }
-  }
-
-  scripts.forEach(function(script, i) {
-    var options = {
-      // @philix: sourceMap support breaks r.js optimization. Leave it off by
-      // default.
-      sourceMap: false
-    };
-    if (/;harmony=true(;|$)/.test(script.type)) {
-      options.harmony = true
-    }
-    if (/;stripTypes=true(;|$)/.test(script.type)) {
-      options.stripTypes = true;
-    }
-
-    // script.async is always true for non-javascript script tags
-    var async = script.hasAttribute('async');
-
-    if (script.src) {
-      result[i] = {
-        async: async,
-        error: false,
-        executed: false,
-        content: null,
-        loaded: false,
-        url: script.src,
-        options: options
-      };
-
-      load(script.src, function(content) {
-        result[i].loaded = true;
-        result[i].content = content;
-        check();
-      }, function() {
-        result[i].error = true;
-        check();
-      });
-    } else {
-      result[i] = {
-        async: async,
-        error: false,
-        executed: false,
-        content: script.innerHTML,
-        loaded: true,
-        url: null,
-        options: options
-      };
-    }
-  });
-
-  check();
-}
-
-/**
- * Find and run all script tags with type="text/jsx".
- *
- * @internal
- */
-function runScripts() {
-  var scripts = document.getElementsByTagName('script');
-
-  // Array.prototype.slice cannot be used on NodeList on IE8
-  var jsxScripts = [];
-  for (var i = 0; i < scripts.length; i++) {
-    if (/^text\/jsx(;|$)/.test(scripts.item(i).type)) {
-      jsxScripts.push(scripts.item(i));
-    }
-  }
-
-  if (jsxScripts.length < 1) {
-    return;
-  }
-
-  console.warn(
-    'You are using the in-browser JSX transformer. Be sure to precompile ' +
-    'your JSX for production - ' +
-    'http://facebook.github.io/react/docs/tooling-integration.html#jsx'
-  );
-
-  loadScripts(jsxScripts);
-}
-
-// Listen for load event if we're in a browser and then kick off finding and
-// running of scripts.
-if (typeof window !== "undefined" && window !== null) {
-  headEl = document.getElementsByTagName('head')[0];
-  dummyAnchor = document.createElement('a');
-
-  if (window.addEventListener) {
-    window.addEventListener('DOMContentLoaded', runScripts, false);
-  } else {
-    window.attachEvent('onload', runScripts);
-  }
-}
-
-module.exports = {
-  transform: transformReact,
-  exec: exec
-};
-
-},{"./fbtransform/visitors":37,"buffer":2,"jstransform":21,"jstransform/visitors/type-syntax":33}],2:[function(_dereq_,module,exports){
-/*!
- * The buffer module from node.js, for the browser.
- *
- * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
- * @license  MIT
- */
-
-var base64 = _dereq_('base64-js')
-var ieee754 = _dereq_('ieee754')
-var isArray = _dereq_('is-array')
-
-exports.Buffer = Buffer
-exports.SlowBuffer = Buffer
-exports.INSPECT_MAX_BYTES = 50
-Buffer.poolSize = 8192 // not used by this implementation
-
-var kMaxLength = 0x3fffffff
-
-/**
- * If `Buffer.TYPED_ARRAY_SUPPORT`:
- *   === true    Use Uint8Array implementation (fastest)
- *   === false   Use 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+.
- *
- * Note:
- *
- * - Implementation must support adding new properties to `Uint8Array` instances.
- *   Firefox 4-29 lacked support, fixed in Firefox 30+.
- *   See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
- *
- *  - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
- *
- *  - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
- *    incorrect length in some situations.
- *
- * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they will
- * get the Object implementation, which is slower but will work correctly.
- */
-Buffer.TYPED_ARRAY_SUPPORT = (function () {
-  try {
-    var buf = new ArrayBuffer(0)
-    var arr = new Uint8Array(buf)
-    arr.foo = function () { return 42 }
-    return 42 === arr.foo() && // typed array instances can be augmented
-        typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`
-        new Uint8Array(1).subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`
-  } catch (e) {
-    return false
-  }
-})()
-
-/**
- * Class: Buffer
- * =============
- *
- * The Buffer constructor returns instances of `Uint8Array` that are augmented
- * with function properties for all the node `Buffer` API functions. We use
- * `Uint8Array` so that square bracket notation works as expected -- it returns
- * a single octet.
- *
- * By augmenting the instances, we can avoid modifying the `Uint8Array`
- * prototype.
- */
-function Buffer (subject, encoding, noZero) {
-  if (!(this instanceof Buffer))
-    return new Buffer(subject, encoding, noZero)
-
-  var type = typeof subject
-
-  // Find the length
-  var length
-  if (type === 'number')
-    length = subject > 0 ? subject >>> 0 : 0
-  else if (type === 'string') {
-    if (encoding === 'base64')
-      subject = base64clean(subject)
-    length = Buffer.byteLength(subject, encoding)
-  } else if (type === 'object' && subject !== null) { // assume object is array-like
-    if (subject.type === 'Buffer' && isArray(subject.data))
-      subject = subject.data
-    length = +subject.length > 0 ? Math.floor(+subject.length) : 0
-  } else
-    throw new TypeError('must start with number, buffer, array or string')
-
-  if (this.length > kMaxLength)
-    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
-      'size: 0x' + kMaxLength.toString(16) + ' bytes')
-
-  var buf
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    // Preferred: Return an augmented `Uint8Array` instance for best performance
-    buf = Buffer._augment(new Uint8Array(length))
-  } else {
-    // Fallback: Return THIS instance of Buffer (created by `new`)
-    buf = this
-    buf.length = length
-    buf._isBuffer = true
-  }
-
-  var i
-  if (Buffer.TYPED_ARRAY_SUPPORT && typeof subject.byteLength === 'number') {
-    // Speed optimization -- use set if we're copying from a typed array
-    buf._set(subject)
-  } else if (isArrayish(subject)) {
-    // Treat array-ish objects as a byte array
-    if (Buffer.isBuffer(subject)) {
-      for (i = 0; i < length; i++)
-        buf[i] = subject.readUInt8(i)
-    } else {
-      for (i = 0; i < length; i++)
-        buf[i] = ((subject[i] % 256) + 256) % 256
-    }
-  } else if (type === 'string') {
-    buf.write(subject, 0, encoding)
-  } else if (type === 'number' && !Buffer.TYPED_ARRAY_SUPPORT && !noZero) {
-    for (i = 0; i < length; i++) {
-      buf[i] = 0
-    }
-  }
-
-  return buf
-}
-
-Buffer.isBuffer = function (b) {
-  return !!(b != null && b._isBuffer)
-}
-
-Buffer.compare = function (a, b) {
-  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b))
-    throw new TypeError('Arguments must be Buffers')
-
-  var x = a.length
-  var y = b.length
-  for (var i = 0, len = Math.min(x, y); i < len && a[i] === b[i]; i++) {}
-  if (i !== len) {
-    x = a[i]
-    y = b[i]
-  }
-  if (x < y) return -1
-  if (y < x) return 1
-  return 0
-}
-
-Buffer.isEncoding = function (encoding) {
-  switch (String(encoding).toLowerCase()) {
-    case 'hex':
-    case 'utf8':
-    case 'utf-8':
-    case 'ascii':
-    case 'binary':
-    case 'base64':
-    case 'raw':
-    case 'ucs2':
-    case 'ucs-2':
-    case 'utf16le':
-    case 'utf-16le':
-      return true
-    default:
-      return false
-  }
-}
-
-Buffer.concat = function (list, totalLength) {
-  if (!isArray(list)) throw new TypeError('Usage: Buffer.concat(list[, length])')
-
-  if (list.length === 0) {
-    return new Buffer(0)
-  } else if (list.length === 1) {
-    return list[0]
-  }
-
-  var i
-  if (totalLength === undefined) {
-    totalLength = 0
-    for (i = 0; i < list.length; i++) {
-      totalLength += list[i].length
-    }
-  }
-
-  var buf = new Buffer(totalLength)
-  var pos = 0
-  for (i = 0; i < list.length; i++) {
-    var item = list[i]
-    item.copy(buf, pos)
-    pos += item.length
-  }
-  return buf
-}
-
-Buffer.byteLength = function (str, encoding) {
-  var ret
-  str = str + ''
-  switch (encoding || 'utf8') {
-    case 'ascii':
-    case 'binary':
-    case 'raw':
-      ret = str.length
-      break
-    case 'ucs2':
-    case 'ucs-2':
-    case 'utf16le':
-    case 'utf-16le':
-      ret = str.length * 2
-      break
-    case 'hex':
-      ret = str.length >>> 1
-      break
-    case 'utf8':
-    case 'utf-8':
-      ret = utf8ToBytes(str).length
-      break
-    case 'base64':
-      ret = base64ToBytes(str).length
-      break
-    default:
-      ret = str.length
-  }
-  return ret
-}
-
-// pre-set for values that may exist in the future
-Buffer.prototype.length = undefined
-Buffer.prototype.parent = undefined
-
-// toString(encoding, start=0, end=buffer.length)
-Buffer.prototype.toString = function (encoding, start, end) {
-  var loweredCase = false
-
-  start = start >>> 0
-  end = end === undefined || end === Infinity ? this.length : end >>> 0
-
-  if (!encoding) encoding = 'utf8'
-  if (start < 0) start = 0
-  if (end > this.length) end = this.length
-  if (end <= start) return ''
-
-  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 'binary':
-        return binarySlice(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
-    }
-  }
-}
-
-Buffer.prototype.equals = function (b) {
-  if(!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
-  return Buffer.compare(this, b) === 0
-}
-
-Buffer.prototype.inspect = function () {
-  var str = ''
-  var max = exports.INSPECT_MAX_BYTES
-  if (this.length > 0) {
-    str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')
-    if (this.length > max)
-      str += ' ... '
-  }
-  return '<Buffer ' + str + '>'
-}
-
-Buffer.prototype.compare = function (b) {
-  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
-  return Buffer.compare(this, b)
-}
-
-// `get` will be removed in Node 0.13+
-Buffer.prototype.get = function (offset) {
-  console.log('.get() is deprecated. Access using array indexes instead.')
-  return this.readUInt8(offset)
-}
-
-// `set` will be removed in Node 0.13+
-Buffer.prototype.set = function (v, offset) {
-  console.log('.set() is deprecated. Access using array indexes instead.')
-  return this.writeUInt8(v, offset)
-}
-
-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
-    }
-  }
-
-  // must be an even number of digits
-  var strLen = string.length
-  if (strLen % 2 !== 0) throw new Error('Invalid hex string')
-
-  if (length > strLen / 2) {
-    length = strLen / 2
-  }
-  for (var i = 0; i < length; i++) {
-    var byte = parseInt(string.substr(i * 2, 2), 16)
-    if (isNaN(byte)) throw new Error('Invalid hex string')
-    buf[offset + i] = byte
-  }
-  return i
-}
-
-function utf8Write (buf, string, offset, length) {
-  var charsWritten = blitBuffer(utf8ToBytes(string), buf, offset, length)
-  return charsWritten
-}
-
-function asciiWrite (buf, string, offset, length) {
-  var charsWritten = blitBuffer(asciiToBytes(string), buf, offset, length)
-  return charsWritten
-}
-
-function binaryWrite (buf, string, offset, length) {
-  return asciiWrite(buf, string, offset, length)
-}
-
-function base64Write (buf, string, offset, length) {
-  var charsWritten = blitBuffer(base64ToBytes(string), buf, offset, length)
-  return charsWritten
-}
-
-function utf16leWrite (buf, string, offset, length) {
-  var charsWritten = blitBuffer(utf16leToBytes(string), buf, offset, length)
-  return charsWritten
-}
-
-Buffer.prototype.write = function (string, offset, length, encoding) {
-  // Support both (string, offset, length, encoding)
-  // and the legacy (string, encoding, offset, length)
-  if (isFinite(offset)) {
-    if (!isFinite(length)) {
-      encoding = length
-      length = undefined
-    }
-  } else {  // legacy
-    var swap = encoding
-    encoding = offset
-    offset = length
-    length = swap
-  }
-
-  offset = Number(offset) || 0
-  var remaining = this.length - offset
-  if (!length) {
-    length = remaining
-  } else {
-    length = Number(length)
-    if (length > remaining) {
-      length = remaining
-    }
-  }
-  encoding = String(encoding || 'utf8').toLowerCase()
-
-  var ret
-  switch (encoding) {
-    case 'hex':
-      ret = hexWrite(this, string, offset, length)
-      break
-    case 'utf8':
-    case 'utf-8':
-      ret = utf8Write(this, string, offset, length)
-      break
-    case 'ascii':
-      ret = asciiWrite(this, string, offset, length)
-      break
-    case 'binary':
-      ret = binaryWrite(this, string, offset, length)
-      break
-    case 'base64':
-      ret = base64Write(this, string, offset, length)
-      break
-    case 'ucs2':
-    case 'ucs-2':
-    case 'utf16le':
-    case 'utf-16le':
-      ret = utf16leWrite(this, string, offset, length)
-      break
-    default:
-      throw new TypeError('Unknown encoding: ' + encoding)
-  }
-  return ret
-}
-
-Buffer.prototype.toJSON = function () {
-  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) {
-  var res = ''
-  var tmp = ''
-  end = Math.min(buf.length, end)
-
-  for (var i = start; i < end; i++) {
-    if (buf[i] <= 0x7F) {
-      res += decodeUtf8Char(tmp) + String.fromCharCode(buf[i])
-      tmp = ''
-    } else {
-      tmp += '%' + buf[i].toString(16)
-    }
-  }
-
-  return res + decodeUtf8Char(tmp)
-}
-
-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])
-  }
-  return ret
-}
-
-function binarySlice (buf, start, end) {
-  return asciiSlice(buf, start, end)
-}
-
-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 (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
-
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    return Buffer._augment(this.subarray(start, end))
-  } else {
-    var sliceLen = end - start
-    var newBuf = new Buffer(sliceLen, undefined, true)
-    for (var i = 0; i < sliceLen; i++) {
-      newBuf[i] = this[i + start]
-    }
-    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.readUInt8 = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 1, this.length)
-  return this[offset]
-}
-
-Buffer.prototype.readUInt16LE = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 2, this.length)
-  return this[offset] | (this[offset + 1] << 8)
-}
-
-Buffer.prototype.readUInt16BE = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 2, this.length)
-  return (this[offset] << 8) | this[offset + 1]
-}
-
-Buffer.prototype.readUInt32LE = function (offset, noAssert) {
-  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 (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 4, this.length)
-
-  return (this[offset] * 0x1000000) +
-      ((this[offset + 1] << 16) |
-      (this[offset + 2] << 8) |
-      this[offset + 3])
-}
-
-Buffer.prototype.readInt8 = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 1, this.length)
-  if (!(this[offset] & 0x80))
-    return (this[offset])
-  return ((0xff - this[offset] + 1) * -1)
-}
-
-Buffer.prototype.readInt16LE = function (offset, noAssert) {
-  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 (offset, noAssert) {
-  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 (offset, noAssert) {
-  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 (offset, noAssert) {
-  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 (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 4, this.length)
-  return ieee754.read(this, offset, true, 23, 4)
-}
-
-Buffer.prototype.readFloatBE = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 4, this.length)
-  return ieee754.read(this, offset, false, 23, 4)
-}
-
-Buffer.prototype.readDoubleLE = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 8, this.length)
-  return ieee754.read(this, offset, true, 52, 8)
-}
-
-Buffer.prototype.readDoubleBE = function (offset, noAssert) {
-  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 must be a Buffer instance')
-  if (value > max || value < min) throw new TypeError('value is out of bounds')
-  if (offset + ext > buf.length) throw new TypeError('index out of range')
-}
-
-Buffer.prototype.writeUInt8 = function (value, offset, noAssert) {
-  value = +value
-  offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 1, 0xff, 0)
-  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
-  this[offset] = value
-  return offset + 1
-}
-
-function objectWriteUInt16 (buf, value, offset, littleEndian) {
-  if (value < 0) value = 0xffff + value + 1
-  for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; i++) {
-    buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>
-      (littleEndian ? i : 1 - i) * 8
-  }
-}
-
-Buffer.prototype.writeUInt16LE = function (value, offset, noAssert) {
-  value = +value
-  offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 2, 0xffff, 0)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = value
-    this[offset + 1] = (value >>> 8)
-  } else objectWriteUInt16(this, value, offset, true)
-  return offset + 2
-}
-
-Buffer.prototype.writeUInt16BE = function (value, offset, noAssert) {
-  value = +value
-  offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 2, 0xffff, 0)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 8)
-    this[offset + 1] = value
-  } else objectWriteUInt16(this, value, offset, false)
-  return offset + 2
-}
-
-function objectWriteUInt32 (buf, value, offset, littleEndian) {
-  if (value < 0) value = 0xffffffff + value + 1
-  for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; i++) {
-    buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff
-  }
-}
-
-Buffer.prototype.writeUInt32LE = function (value, offset, noAssert) {
-  value = +value
-  offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 4, 0xffffffff, 0)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset + 3] = (value >>> 24)
-    this[offset + 2] = (value >>> 16)
-    this[offset + 1] = (value >>> 8)
-    this[offset] = value
-  } else objectWriteUInt32(this, value, offset, true)
-  return offset + 4
-}
-
-Buffer.prototype.writeUInt32BE = function (value, offset, noAssert) {
-  value = +value
-  offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 4, 0xffffffff, 0)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 24)
-    this[offset + 1] = (value >>> 16)
-    this[offset + 2] = (value >>> 8)
-    this[offset + 3] = value
-  } else objectWriteUInt32(this, value, offset, false)
-  return offset + 4
-}
-
-Buffer.prototype.writeInt8 = function (value, offset, noAssert) {
-  value = +value
-  offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 1, 0x7f, -0x80)
-  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
-  if (value < 0) value = 0xff + value + 1
-  this[offset] = value
-  return offset + 1
-}
-
-Buffer.prototype.writeInt16LE = function (value, offset, noAssert) {
-  value = +value
-  offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 2, 0x7fff, -0x8000)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = value
-    this[offset + 1] = (value >>> 8)
-  } else objectWriteUInt16(this, value, offset, true)
-  return offset + 2
-}
-
-Buffer.prototype.writeInt16BE = function (value, offset, noAssert) {
-  value = +value
-  offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 2, 0x7fff, -0x8000)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 8)
-    this[offset + 1] = value
-  } else objectWriteUInt16(this, value, offset, false)
-  return offset + 2
-}
-
-Buffer.prototype.writeInt32LE = function (value, offset, noAssert) {
-  value = +value
-  offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = value
-    this[offset + 1] = (value >>> 8)
-    this[offset + 2] = (value >>> 16)
-    this[offset + 3] = (value >>> 24)
-  } else objectWriteUInt32(this, value, offset, true)
-  return offset + 4
-}
-
-Buffer.prototype.writeInt32BE = function (value, offset, noAssert) {
-  value = +value
-  offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
-  if (value < 0) value = 0xffffffff + value + 1
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 24)
-    this[offset + 1] = (value >>> 16)
-    this[offset + 2] = (value >>> 8)
-    this[offset + 3] = value
-  } else objectWriteUInt32(this, value, offset, false)
-  return offset + 4
-}
-
-function checkIEEE754 (buf, value, offset, ext, max, min) {
-  if (value > max || value < min) throw new TypeError('value is out of bounds')
-  if (offset + ext > buf.length) throw new TypeError('index out of range')
-}
-
-function writeFloat (buf, value, offset, littleEndian, noAssert) {
-  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 (value, offset, noAssert) {
-  return writeFloat(this, value, offset, true, noAssert)
-}
-
-Buffer.prototype.writeFloatBE = function (value, offset, noAssert) {
-  return writeFloat(this, value, offset, false, noAssert)
-}
-
-function writeDouble (buf, value, offset, littleEndian, noAssert) {
-  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 (value, offset, noAssert) {
-  return writeDouble(this, value, offset, true, noAssert)
-}
-
-Buffer.prototype.writeDoubleBE = function (value, offset, noAssert) {
-  return writeDouble(this, value, offset, false, noAssert)
-}
-
-// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
-Buffer.prototype.copy = function (target, target_start, start, end) {
-  var source = this
-
-  if (!start) start = 0
-  if (!end && end !== 0) end = this.length
-  if (!target_start) target_start = 0
-
-  // Copy 0 bytes; we're done
-  if (end === start) return
-  if (target.length === 0 || source.length === 0) return
-
-  // Fatal error conditions
-  if (end < start) throw new TypeError('sourceEnd < sourceStart')
-  if (target_start < 0 || target_start >= target.length)
-    throw new TypeError('targetStart out of bounds')
-  if (start < 0 || start >= source.length) throw new TypeError('sourceStart out of bounds')
-  if (end < 0 || end > source.length) throw new TypeError('sourceEnd out of bounds')
-
-  // Are we oob?
-  if (end > this.length)
-    end = this.length
-  if (target.length - target_start < end - start)
-    end = target.length - target_start + start
-
-  var len = end - start
-
-  if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {
-    for (var i = 0; i < len; i++) {
-      target[i + target_start] = this[i + start]
-    }
-  } else {
-    target._set(this.subarray(start, start + len), target_start)
-  }
-}
-
-// fill(value, start=0, end=buffer.length)
-Buffer.prototype.fill = function (value, start, end) {
-  if (!value) value = 0
-  if (!start) start = 0
-  if (!end) end = this.length
-
-  if (end < start) throw new TypeError('end < start')
-
-  // Fill 0 bytes; we're done
-  if (end === start) return
-  if (this.length === 0) return
-
-  if (start < 0 || start >= this.length) throw new TypeError('start out of bounds')
-  if (end < 0 || end > this.length) throw new TypeError('end out of bounds')
-
-  var i
-  if (typeof value === 'number') {
-    for (i = start; i < end; i++) {
-      this[i] = value
-    }
-  } else {
-    var bytes = utf8ToBytes(value.toString())
-    var len = bytes.length
-    for (i = start; i < end; i++) {
-      this[i] = bytes[i % len]
-    }
-  }
-
-  return this
-}
-
-/**
- * Creates a new `ArrayBuffer` with the *copied* memory of the buffer instance.
- * Added in Node 0.12. Only available in browsers that support ArrayBuffer.
- */
-Buffer.prototype.toArrayBuffer = function () {
-  if (typeof Uint8Array !== 'undefined') {
-    if (Buffer.TYPED_ARRAY_SUPPORT) {
-      return (new Buffer(this)).buffer
-    } else {
-      var buf = new Uint8Array(this.length)
-      for (var i = 0, len = buf.length; i < len; i += 1) {
-        buf[i] = this[i]
-      }
-      return buf.buffer
-    }
-  } else {
-    throw new TypeError('Buffer.toArrayBuffer not supported in this browser')
-  }
-}
-
-// HELPER FUNCTIONS
-// ================
-
-var BP = Buffer.prototype
-
-/**
- * Augment a Uint8Array *instance* (not the Uint8Array class!) with Buffer methods
- */
-Buffer._augment = function (arr) {
-  arr.constructor = Buffer
-  arr._isBuffer = true
-
-  // save reference to original Uint8Array get/set methods before overwriting
-  arr._get = arr.get
-  arr._set = arr.set
-
-  // deprecated, will be removed in node 0.13+
-  arr.get = BP.get
-  arr.set = BP.set
-
-  arr.write = BP.write
-  arr.toString = BP.toString
-  arr.toLocaleString = BP.toString
-  arr.toJSON = BP.toJSON
-  arr.equals = BP.equals
-  arr.compare = BP.compare
-  arr.copy = BP.copy
-  arr.slice = BP.slice
-  arr.readUInt8 = BP.readUInt8
-  arr.readUInt16LE = BP.readUInt16LE
-  arr.readUInt16BE = BP.readUInt16BE
-  arr.readUInt32LE = BP.readUInt32LE
-  arr.readUInt32BE = BP.readUInt32BE
-  arr.readInt8 = BP.readInt8
-  arr.readInt16LE = BP.readInt16LE
-  arr.readInt16BE = BP.readInt16BE
-  arr.readInt32LE = BP.readInt32LE
-  arr.readInt32BE = BP.readInt32BE
-  arr.readFloatLE = BP.readFloatLE
-  arr.readFloatBE = BP.readFloatBE
-  arr.readDoubleLE = BP.readDoubleLE
-  arr.readDoubleBE = BP.readDoubleBE
-  arr.writeUInt8 = BP.writeUInt8
-  arr.writeUInt16LE = BP.writeUInt16LE
-  arr.writeUInt16BE = BP.writeUInt16BE
-  arr.writeUInt32LE = BP.writeUInt32LE
-  arr.writeUInt32BE = BP.writeUInt32BE
-  arr.writeInt8 = BP.writeInt8
-  arr.writeInt16LE = BP.writeInt16LE
-  arr.writeInt16BE = BP.writeInt16BE
-  arr.writeInt32LE = BP.writeInt32LE
-  arr.writeInt32BE = BP.writeInt32BE
-  arr.writeFloatLE = BP.writeFloatLE
-  arr.writeFloatBE = BP.writeFloatBE
-  arr.writeDoubleLE = BP.writeDoubleLE
-  arr.writeDoubleBE = BP.writeDoubleBE
-  arr.fill = BP.fill
-  arr.inspect = BP.inspect
-  arr.toArrayBuffer = BP.toArrayBuffer
-
-  return arr
-}
-
-var INVALID_BASE64_RE = /[^+\/0-9A-z]/g
-
-function base64clean (str) {
-  // Node strips out invalid characters like \n and \t from the string, base64-js does not
-  str = stringtrim(str).replace(INVALID_BASE64_RE, '')
-  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
-  while (str.length % 4 !== 0) {
-    str = str + '='
-  }
-  return str
-}
-
-function stringtrim (str) {
-  if (str.trim) return str.trim()
-  return str.replace(/^\s+|\s+$/g, '')
-}
-
-function isArrayish (subject) {
-  return isArray(subject) || Buffer.isBuffer(subject) ||
-      subject && typeof subject === 'object' &&
-      typeof subject.length === 'number'
-}
-
-function toHex (n) {
-  if (n < 16) return '0' + n.toString(16)
-  return n.toString(16)
-}
-
-function utf8ToBytes (str) {
-  var byteArray = []
-  for (var i = 0; i < str.length; i++) {
-    var b = str.charCodeAt(i)
-    if (b <= 0x7F) {
-      byteArray.push(b)
-    } else {
-      var start = i
-      if (b >= 0xD800 && b <= 0xDFFF) i++
-      var h = encodeURIComponent(str.slice(start, i+1)).substr(1).split('%')
-      for (var j = 0; j < h.length; j++) {
-        byteArray.push(parseInt(h[j], 16))
-      }
-    }
-  }
-  return byteArray
-}
-
-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) {
-  var c, hi, lo
-  var byteArray = []
-  for (var i = 0; i < str.length; i++) {
-    c = str.charCodeAt(i)
-    hi = c >> 8
-    lo = c % 256
-    byteArray.push(lo)
-    byteArray.push(hi)
-  }
-
-  return byteArray
-}
-
-function base64ToBytes (str) {
-  return base64.toByteArray(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
-}
-
-function decodeUtf8Char (str) {
-  try {
-    return decodeURIComponent(str)
-  } catch (err) {
-    return String.fromCharCode(0xFFFD) // UTF 8 invalid char
-  }
-}
-
-},{"base64-js":3,"ieee754":4,"is-array":5}],3:[function(_dereq_,module,exports){
-var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
-
-;(function (exports) {
-  'use strict';
-
-  var Arr = (typeof Uint8Array !== 'undefined')
-    ? Uint8Array
-    : Array
-
-  var PLUS   = '+'.charCodeAt(0)
-  var SLASH  = '/'.charCodeAt(0)
-  var NUMBER = '0'.charCodeAt(0)
-  var LOWER  = 'a'.charCodeAt(0)
-  var UPPER  = 'A'.charCodeAt(0)
-
-  function decode (elt) {
-    var code = elt.charCodeAt(0)
-    if (code === PLUS)
-      return 62 // '+'
-    if (code === SLASH)
-      return 63 // '/'
-    if (code < NUMBER)
-      return -1 //no match
-    if (code < NUMBER + 10)
-      return code - NUMBER + 26 + 26
-    if (code < UPPER + 26)
-      return code - UPPER
-    if (code < LOWER + 26)
-      return code - LOWER + 26
-  }
-
-  function b64ToByteArray (b64) {
-    var i, j, l, tmp, placeHolders, arr
-
-    if (b64.length % 4 > 0) {
-      throw new Error('Invalid string. Length must be a multiple of 4')
-    }
-
-    // the number of equal signs (place holders)
-    // if there are two placeholders, than the two characters before it
-    // represent one byte
-    // if there is only one, then the three characters before it represent 2 bytes
-    // this is just a cheap hack to not do indexOf twice
-    var len = b64.length
-    placeHolders = '=' === b64.charAt(len - 2) ? 2 : '=' === b64.charAt(len - 1) ? 1 : 0
-
-    // base64 is 4/3 + up to two characters of the original data
-    arr = new Arr(b64.length * 3 / 4 - placeHolders)
-
-    // if there are placeholders, only get up to the last complete 4 chars
-    l = placeHolders > 0 ? b64.length - 4 : b64.length
-
-    var L = 0
-
-    function push (v) {
-      arr[L++] = v
-    }
-
-    for (i = 0, j = 0; i < l; i += 4, j += 3) {
-      tmp = (decode(b64.charAt(i)) << 18) | (decode(b64.charAt(i + 1)) << 12) | (decode(b64.charAt(i + 2)) << 6) | decode(b64.charAt(i + 3))
-      push((tmp & 0xFF0000) >> 16)
-      push((tmp & 0xFF00) >> 8)
-      push(tmp & 0xFF)
-    }
-
-    if (placeHolders === 2) {
-      tmp = (decode(b64.charAt(i)) << 2) | (decode(b64.charAt(i + 1)) >> 4)
-      push(tmp & 0xFF)
-    } else if (placeHolders === 1) {
-      tmp = (decode(b64.charAt(i)) << 10) | (decode(b64.charAt(i + 1)) << 4) | (decode(b64.charAt(i + 2)) >> 2)
-      push((tmp >> 8) & 0xFF)
-      push(tmp & 0xFF)
-    }
-
-    return arr
-  }
-
-  function uint8ToBase64 (uint8) {
-    var i,
-      extraBytes = uint8.length % 3, // if we have 1 byte left, pad 2 bytes
-      output = "",
-      temp, length
-
-    function encode (num) {
-      return lookup.charAt(num)
-    }
-
-    function tripletToBase64 (num) {
-      return encode(num >> 18 & 0x3F) + encode(num >> 12 & 0x3F) + encode(num >> 6 & 0x3F) + encode(num & 0x3F)
-    }
-
-    // go through the array every three bytes, we'll deal with trailing stuff later
-    for (i = 0, length = uint8.length - extraBytes; i < length; i += 3) {
-      temp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2])
-      output += tripletToBase64(temp)
-    }
-
-    // pad the end with zeros, but make sure to not forget the extra bytes
-    switch (extraBytes) {
-      case 1:
-        temp = uint8[uint8.length - 1]
-        output += encode(temp >> 2)
-        output += encode((temp << 4) & 0x3F)
-        output += '=='
-        break
-      case 2:
-        temp = (uint8[uint8.length - 2] << 8) + (uint8[uint8.length - 1])
-        output += encode(temp >> 10)
-        output += encode((temp >> 4) & 0x3F)
-        output += encode((temp << 2) & 0x3F)
-        output += '='
-        break
-    }
-
-    return output
-  }
-
-  exports.toByteArray = b64ToByteArray
-  exports.fromByteArray = uint8ToBase64
-}(typeof exports === 'undefined' ? (this.base64js = {}) : exports))
-
-},{}],4:[function(_dereq_,module,exports){
-exports.read = function(buffer, offset, isLE, mLen, nBytes) {
-  var e, m,
-      eLen = nBytes * 8 - mLen - 1,
-      eMax = (1 << eLen) - 1,
-      eBias = eMax >> 1,
-      nBits = -7,
-      i = isLE ? (nBytes - 1) : 0,
-      d = isLE ? -1 : 1,
-      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,
-      eLen = nBytes * 8 - mLen - 1,
-      eMax = (1 << eLen) - 1,
-      eBias = eMax >> 1,
-      rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0),
-      i = isLE ? 0 : (nBytes - 1),
-      d = isLE ? 1 : -1,
-      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;
-};
-
-},{}],5:[function(_dereq_,module,exports){
-
-/**
- * isArray
- */
-
-var isArray = Array.isArray;
-
-/**
- * toString
- */
-
-var str = Object.prototype.toString;
-
-/**
- * Whether or not the given `val`
- * is an array.
- *
- * example:
- *
- *        isArray([]);
- *        // > true
- *        isArray(arguments);
- *        // > false
- *        isArray('');
- *        // > false
- *
- * @param {mixed} val
- * @return {bool}
- */
-
-module.exports = isArray || function (val) {
-  return !! val && '[object Array]' == str.call(val);
-};
-
-},{}],6:[function(_dereq_,module,exports){
-(function (process){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-// resolves . and .. elements in a path array with directory names there
-// must be no slashes, empty elements, or device names (c:\) in the array
-// (so also no leading and trailing slashes - it does not distinguish
-// relative and absolute paths)
-function normalizeArray(parts, allowAboveRoot) {
-  // if the path tries to go above the root, `up` ends up > 0
-  var up = 0;
-  for (var i = parts.length - 1; i >= 0; i--) {
-    var last = parts[i];
-    if (last === '.') {
-      parts.splice(i, 1);
-    } else if (last === '..') {
-      parts.splice(i, 1);
-      up++;
-    } else if (up) {
-      parts.splice(i, 1);
-      up--;
-    }
-  }
-
-  // if the path is allowed to go above the root, restore leading ..s
-  if (allowAboveRoot) {
-    for (; up--; up) {
-      parts.unshift('..');
-    }
-  }
-
-  return parts;
-}
-
-// Split a filename into [root, dir, basename, ext], unix version
-// 'root' is just a slash, or nothing.
-var splitPathRe =
-    /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
-var splitPath = function(filename) {
-  return splitPathRe.exec(filename).slice(1);
-};
-
-// path.resolve([from ...], to)
-// posix version
-exports.resolve = function() {
-  var resolvedPath = '',
-      resolvedAbsolute = false;
-
-  for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
-    var path = (i >= 0) ? arguments[i] : process.cwd();
-
-    // Skip empty and invalid entries
-    if (typeof path !== 'string') {
-      throw new TypeError('Arguments to path.resolve must be strings');
-    } else if (!path) {
-      continue;
-    }
-
-    resolvedPath = path + '/' + resolvedPath;
-    resolvedAbsolute = path.charAt(0) === '/';
-  }
-
-  // At this point the path should be resolved to a full absolute path, but
-  // handle relative paths to be safe (might happen when process.cwd() fails)
-
-  // Normalize the path
-  resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) {
-    return !!p;
-  }), !resolvedAbsolute).join('/');
-
-  return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
-};
-
-// path.normalize(path)
-// posix version
-exports.normalize = function(path) {
-  var isAbsolute = exports.isAbsolute(path),
-      trailingSlash = substr(path, -1) === '/';
-
-  // Normalize the path
-  path = normalizeArray(filter(path.split('/'), function(p) {
-    return !!p;
-  }), !isAbsolute).join('/');
-
-  if (!path && !isAbsolute) {
-    path = '.';
-  }
-  if (path && trailingSlash) {
-    path += '/';
-  }
-
-  return (isAbsolute ? '/' : '') + path;
-};
-
-// posix version
-exports.isAbsolute = function(path) {
-  return path.charAt(0) === '/';
-};
-
-// posix version
-exports.join = function() {
-  var paths = Array.prototype.slice.call(arguments, 0);
-  return exports.normalize(filter(paths, function(p, index) {
-    if (typeof p !== 'string') {
-      throw new TypeError('Arguments to path.join must be strings');
-    }
-    return p;
-  }).join('/'));
-};
-
-
-// path.relative(from, to)
-// posix version
-exports.relative = function(from, to) {
-  from = exports.resolve(from).substr(1);
-  to = exports.resolve(to).substr(1);
-
-  function trim(arr) {
-    var start = 0;
-    for (; start < arr.length; start++) {
-      if (arr[start] !== '') break;
-    }
-
-    var end = arr.length - 1;
-    for (; end >= 0; end--) {
-      if (arr[end] !== '') break;
-    }
-
-    if (start > end) return [];
-    return arr.slice(start, end - start + 1);
-  }
-
-  var fromParts = trim(from.split('/'));
-  var toParts = trim(to.split('/'));
-
-  var length = Math.min(fromParts.length, toParts.length);
-  var samePartsLength = length;
-  for (var i = 0; i < length; i++) {
-    if (fromParts[i] !== toParts[i]) {
-      samePartsLength = i;
-      break;
-    }
-  }
-
-  var outputParts = [];
-  for (var i = samePartsLength; i < fromParts.length; i++) {
-    outputParts.push('..');
-  }
-
-  outputParts = outputParts.concat(toParts.slice(samePartsLength));
-
-  return outputParts.join('/');
-};
-
-exports.sep = '/';
-exports.delimiter = ':';
-
-exports.dirname = function(path) {
-  var result = splitPath(path),
-      root = result[0],
-      dir = result[1];
-
-  if (!root && !dir) {
-    // No dirname whatsoever
-    return '.';
-  }
-
-  if (dir) {
-    // It has a dirname, strip trailing slash
-    dir = dir.substr(0, dir.length - 1);
-  }
-
-  return root + dir;
-};
-
-
-exports.basename = function(path, ext) {
-  var f = splitPath(path)[2];
-  // TODO: make this comparison case-insensitive on windows?
-  if (ext && f.substr(-1 * ext.length) === ext) {
-    f = f.substr(0, f.length - ext.length);
-  }
-  return f;
-};
-
-
-exports.extname = function(path) {
-  return splitPath(path)[3];
-};
-
-function filter (xs, f) {
-    if (xs.filter) return xs.filter(f);
-    var res = [];
-    for (var i = 0; i < xs.length; i++) {
-        if (f(xs[i], i, xs)) res.push(xs[i]);
-    }
-    return res;
-}
-
-// String.prototype.substr - negative index don't work in IE8
-var substr = 'ab'.substr(-1) === 'b'
-    ? function (str, start, len) { return str.substr(start, len) }
-    : function (str, start, len) {
-        if (start < 0) start = str.length + start;
-        return str.substr(start, len);
-    }
-;
-
-}).call(this,_dereq_('_process'))
-},{"_process":7}],7:[function(_dereq_,module,exports){
-// shim for using process in browser
-
-var process = module.exports = {};
-
-process.nextTick = (function () {
-    var canSetImmediate = typeof window !== 'undefined'
-    && window.setImmediate;
-    var canMutationObserver = typeof window !== 'undefined'
-    && window.MutationObserver;
-    var canPost = typeof window !== 'undefined'
-    && window.postMessage && window.addEventListener
-    ;
-
-    if (canSetImmediate) {
-        return function (f) { return window.setImmediate(f) };
-    }
-
-    var queue = [];
-
-    if (canMutationObserver) {
-        var hiddenDiv = document.createElement("div");
-        var observer = new MutationObserver(function () {
-            var queueList = queue.slice();
-            queue.length = 0;
-            queueList.forEach(function (fn) {
-                fn();
-            });
-        });
-
-        observer.observe(hiddenDiv, { attributes: true });
-
-        return function nextTick(fn) {
-            if (!queue.length) {
-                hiddenDiv.setAttribute('yes', 'no');
-            }
-            queue.push(fn);
-        };
-    }
-
-    if (canPost) {
-        window.addEventListener('message', function (ev) {
-            var source = ev.source;
-            if ((source === window || source === null) && ev.data === 'process-tick') {
-                ev.stopPropagation();
-                if (queue.length > 0) {
-                    var fn = queue.shift();
-                    fn();
-                }
-            }
-        }, true);
-
-        return function nextTick(fn) {
-            queue.push(fn);
-            window.postMessage('process-tick', '*');
-        };
-    }
-
-    return function nextTick(fn) {
-        setTimeout(fn, 0);
-    };
-})();
-
-process.title = 'browser';
-process.browser = true;
-process.env = {};
-process.argv = [];
-
-function noop() {}
-
-process.on = noop;
-process.addListener = noop;
-process.once = noop;
-process.off = noop;
-process.removeListener = noop;
-process.removeAllListeners = noop;
-process.emit = noop;
-
-process.binding = function (name) {
-    throw new Error('process.binding is not supported');
-};
-
-// TODO(shtylman)
-process.cwd = function () { return '/' };
-process.chdir = function (dir) {
-    throw new Error('process.chdir is not supported');
-};
-
-},{}],8:[function(_dereq_,module,exports){
-var Base62 = (function (my) {
-  my.chars = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"]
-
-  my.encode = function(i){
-    if (i === 0) {return '0'}
-    var s = ''
-    while (i > 0) {
-      s = this.chars[i % 62] + s
-      i = Math.floor(i/62)
-    }
-    return s
-  };
-  my.decode = function(a,b,c,d){
-    for (
-      b = c = (
-        a === (/\W|_|^$/.test(a += "") || a)
-      ) - 1;
-      d = a.charCodeAt(c++);
-    )
-    b = b * 62 + d - [, 48, 29, 87][d >> 5];
-    return b
-  };
-
-  return my;
-}({}));
-
-module.exports = Base62
-},{}],9:[function(_dereq_,module,exports){
-/*
-  Copyright (C) 2013 Ariya Hidayat <ariya.hidayat@gmail.com>
-  Copyright (C) 2013 Thaddee Tyl <thaddee.tyl@gmail.com>
-  Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
-  Copyright (C) 2012 Mathias Bynens <mathias@qiwi.be>
-  Copyright (C) 2012 Joost-Wim Boekesteijn <joost-wim@boekesteijn.nl>
-  Copyright (C) 2012 Kris Kowal <kris.kowal@cixar.com>
-  Copyright (C) 2012 Yusuke Suzuki <utatane.tea@gmail.com>
-  Copyright (C) 2012 Arpad Borsos <arpad.borsos@googlemail.com>
-  Copyright (C) 2011 Ariya Hidayat <ariya.hidayat@gmail.com>
-
-  Redistribution and use in source and binary forms, with or without
-  modification, are permitted provided that the following conditions are met:
-
-    * Redistributions of source code must retain the above copyright
-      notice, this list of conditions and the following disclaimer.
-    * Redistributions in binary form must reproduce the above copyright
-      notice, this list of conditions and the following disclaimer in the
-      documentation and/or other materials provided with the distribution.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
-  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-/*jslint bitwise:true plusplus:true */
-/*global esprima:true, define:true, exports:true, window: true,
-throwError: true, generateStatement: true, peek: true,
-parseAssignmentExpression: true, parseBlock: true,
-parseClassExpression: true, parseClassDeclaration: true, parseExpression: true,
-parseDeclareClass: true, parseDeclareFunction: true,
-parseDeclareModule: true, parseDeclareVariable: true,
-parseForStatement: true,
-parseFunctionDeclaration: true, parseFunctionExpression: true,
-parseFunctionSourceElements: true, parseVariableIdentifier: true,
-parseImportSpecifier: true, parseInterface: true,
-parseLeftHandSideExpression: true, parseParams: true, validateParam: true,
-parseSpreadOrAssignmentExpression: true,
-parseStatement: true, parseSourceElement: true, parseConciseBody: true,
-advanceXJSChild: true, isXJSIdentifierStart: true, isXJSIdentifierPart: true,
-scanXJSStringLiteral: true, scanXJSIdentifier: true,
-parseXJSAttributeValue: true, parseXJSChild: true, parseXJSElement: true, parseXJSExpressionContainer: true, parseXJSEmptyExpression: true,
-parseFunctionTypeParam: true,
-parsePrimaryType: true,
-parseTypeAlias: true,
-parseType: true, parseTypeAnnotatableIdentifier: true, parseTypeAnnotation: true,
-parseYieldExpression: true, parseAwaitExpression: true
-*/
-
-(function (root, factory) {
-    'use strict';
-
-    // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js,
-    // Rhino, and plain browser loading.
-    if (typeof define === 'function' && define.amd) {
-        define(['exports'], factory);
-    } else if (typeof exports !== 'undefined') {
-        factory(exports);
-    } else {
-        factory((root.esprima = {}));
-    }
-}(this, function (exports) {
-    'use strict';
-
-    var Token,
-        TokenName,
-        FnExprTokens,
-        Syntax,
-        PropertyKind,
-        Messages,
-        Regex,
-        SyntaxTreeDelegate,
-        XHTMLEntities,
-        ClassPropertyType,
-        source,
-        strict,
-        index,
-        lineNumber,
-        lineStart,
-        length,
-        delegate,
-        lookahead,
-        state,
-        extra;
-
-    Token = {
-        BooleanLiteral: 1,
-        EOF: 2,
-        Identifier: 3,
-        Keyword: 4,
-        NullLiteral: 5,
-        NumericLiteral: 6,
-        Punctuator: 7,
-        StringLiteral: 8,
-        RegularExpression: 9,
-        Template: 10,
-        XJSIdentifier: 11,
-        XJSText: 12
-    };
-
-    TokenName = {};
-    TokenName[Token.BooleanLiteral] = 'Boolean';
-    TokenName[Token.EOF] = '<end>';
-    TokenName[Token.Identifier] = 'Identifier';
-    TokenName[Token.Keyword] = 'Keyword';
-    TokenName[Token.NullLiteral] = 'Null';
-    TokenName[Token.NumericLiteral] = 'Numeric';
-    TokenName[Token.Punctuator] = 'Punctuator';
-    TokenName[Token.StringLiteral] = 'String';
-    TokenName[Token.XJSIdentifier] = 'XJSIdentifier';
-    TokenName[Token.XJSText] = 'XJSText';
-    TokenName[Token.RegularExpression] = 'RegularExpression';
-
-    // A function following one of those tokens is an expression.
-    FnExprTokens = ['(', '{', '[', 'in', 'typeof', 'instanceof', 'new',
-                    'return', 'case', 'delete', 'throw', 'void',
-                    // assignment operators
-                    '=', '+=', '-=', '*=', '/=', '%=', '<<=', '>>=', '>>>=',
-                    '&=', '|=', '^=', ',',
-                    // binary/unary operators
-                    '+', '-', '*', '/', '%', '++', '--', '<<', '>>', '>>>', '&',
-                    '|', '^', '!', '~', '&&', '||', '?', ':', '===', '==', '>=',
-                    '<=', '<', '>', '!=', '!=='];
-
-    Syntax = {
-        AnyTypeAnnotation: 'AnyTypeAnnotation',
-        ArrayExpression: 'ArrayExpression',
-        ArrayPattern: 'ArrayPattern',
-        ArrayTypeAnnotation: 'ArrayTypeAnnotation',
-        ArrowFunctionExpression: 'ArrowFunctionExpression',
-        AssignmentExpression: 'AssignmentExpression',
-        BinaryExpression: 'BinaryExpression',
-        BlockStatement: 'BlockStatement',
-        BooleanTypeAnnotation: 'BooleanTypeAnnotation',
-        BreakStatement: 'BreakStatement',
-        CallExpression: 'CallExpression',
-        CatchClause: 'CatchClause',
-        ClassBody: 'ClassBody',
-        ClassDeclaration: 'ClassDeclaration',
-        ClassExpression: 'ClassExpression',
-        ClassImplements: 'ClassImplements',
-        ClassProperty: 'ClassProperty',
-        ComprehensionBlock: 'ComprehensionBlock',
-        ComprehensionExpression: 'ComprehensionExpression',
-        ConditionalExpression: 'ConditionalExpression',
-        ContinueStatement: 'ContinueStatement',
-        DebuggerStatement: 'DebuggerStatement',
-        DeclareClass: 'DeclareClass',
-        DeclareFunction: 'DeclareFunction',
-        DeclareModule: 'DeclareModule',
-        DeclareVariable: 'DeclareVariable',
-        DoWhileStatement: 'DoWhileStatement',
-        EmptyStatement: 'EmptyStatement',
-        ExportDeclaration: 'ExportDeclaration',
-        ExportBatchSpecifier: 'ExportBatchSpecifier',
-        ExportSpecifier: 'ExportSpecifier',
-        ExpressionStatement: 'ExpressionStatement',
-        ForInStatement: 'ForInStatement',
-        ForOfStatement: 'ForOfStatement',
-        ForStatement: 'ForStatement',
-        FunctionDeclaration: 'FunctionDeclaration',
-        FunctionExpression: 'FunctionExpression',
-        FunctionTypeAnnotation: 'FunctionTypeAnnotation',
-        FunctionTypeParam: 'FunctionTypeParam',
-        GenericTypeAnnotation: 'GenericTypeAnnotation',
-        Identifier: 'Identifier',
-        IfStatement: 'IfStatement',
-        ImportDeclaration: 'ImportDeclaration',
-        ImportDefaultSpecifier: 'ImportDefaultSpecifier',
-        ImportNamespaceSpecifier: 'ImportNamespaceSpecifier',
-        ImportSpecifier: 'ImportSpecifier',
-        InterfaceDeclaration: 'InterfaceDeclaration',
-        InterfaceExtends: 'InterfaceExtends',
-        IntersectionTypeAnnotation: 'IntersectionTypeAnnotation',
-        LabeledStatement: 'LabeledStatement',
-        Literal: 'Literal',
-        LogicalExpression: 'LogicalExpression',
-        MemberExpression: 'MemberExpression',
-        MethodDefinition: 'MethodDefinition',
-        ModuleSpecifier: 'ModuleSpecifier',
-        NewExpression: 'NewExpression',
-        NullableTypeAnnotation: 'NullableTypeAnnotation',
-        NumberTypeAnnotation: 'NumberTypeAnnotation',
-        ObjectExpression: 'ObjectExpression',
-        ObjectPattern: 'ObjectPattern',
-        ObjectTypeAnnotation: 'ObjectTypeAnnotation',
-        ObjectTypeCallProperty: 'ObjectTypeCallProperty',
-        ObjectTypeIndexer: 'ObjectTypeIndexer',
-        ObjectTypeProperty: 'ObjectTypeProperty',
-        Program: 'Program',
-        Property: 'Property',
-        QualifiedTypeIdentifier: 'QualifiedTypeIdentifier',
-        ReturnStatement: 'ReturnStatement',
-        SequenceExpression: 'SequenceExpression',
-        SpreadElement: 'SpreadElement',
-        SpreadProperty: 'SpreadProperty',
-        StringLiteralTypeAnnotation: 'StringLiteralTypeAnnotation',
-        StringTypeAnnotation: 'StringTypeAnnotation',
-        SwitchCase: 'SwitchCase',
-        SwitchStatement: 'SwitchStatement',
-        TaggedTemplateExpression: 'TaggedTemplateExpression',
-        TemplateElement: 'TemplateElement',
-        TemplateLiteral: 'TemplateLiteral',
-        ThisExpression: 'ThisExpression',
-        ThrowStatement: 'ThrowStatement',
-        TupleTypeAnnotation: 'TupleTypeAnnotation',
-        TryStatement: 'TryStatement',
-        TypeAlias: 'TypeAlias',
-        TypeAnnotation: 'TypeAnnotation',
-        TypeofTypeAnnotation: 'TypeofTypeAnnotation',
-        TypeParameterDeclaration: 'TypeParameterDeclaration',
-        TypeParameterInstantiation: 'TypeParameterInstantiation',
-        UnaryExpression: 'UnaryExpression',
-        UnionTypeAnnotation: 'UnionTypeAnnotation',
-        UpdateExpression: 'UpdateExpression',
-        VariableDeclaration: 'VariableDeclaration',
-        VariableDeclarator: 'VariableDeclarator',
-        VoidTypeAnnotation: 'VoidTypeAnnotation',
-        WhileStatement: 'WhileStatement',
-        WithStatement: 'WithStatement',
-        XJSIdentifier: 'XJSIdentifier',
-        XJSNamespacedName: 'XJSNamespacedName',
-        XJSMemberExpression: 'XJSMemberExpression',
-        XJSEmptyExpression: 'XJSEmptyExpression',
-        XJSExpressionContainer: 'XJSExpressionContainer',
-        XJSElement: 'XJSElement',
-        XJSClosingElement: 'XJSClosingElement',
-        XJSOpeningElement: 'XJSOpeningElement',
-        XJSAttribute: 'XJSAttribute',
-        XJSSpreadAttribute: 'XJSSpreadAttribute',
-        XJSText: 'XJSText',
-        YieldExpression: 'YieldExpression',
-        AwaitExpression: 'AwaitExpression'
-    };
-
-    PropertyKind = {
-        Data: 1,
-        Get: 2,
-        Set: 4
-    };
-
-    ClassPropertyType = {
-        'static': 'static',
-        prototype: 'prototype'
-    };
-
-    // Error messages should be identical to V8.
-    Messages = {
-        UnexpectedToken:  'Unexpected token %0',
-        UnexpectedNumber:  'Unexpected number',
-        UnexpectedString:  'Unexpected string',
-        UnexpectedIdentifier:  'Unexpected identifier',
-        UnexpectedReserved:  'Unexpected reserved word',
-        UnexpectedTemplate:  'Unexpected quasi %0',
-        UnexpectedEOS:  'Unexpected end of input',
-        NewlineAfterThrow:  'Illegal newline after throw',
-        InvalidRegExp: 'Invalid regular expression',
-        UnterminatedRegExp:  'Invalid regular expression: missing /',
-        InvalidLHSInAssignment:  'Invalid left-hand side in assignment',
-        InvalidLHSInFormalsList:  'Invalid left-hand side in formals list',
-        InvalidLHSInForIn:  'Invalid left-hand side in for-in',
-        MultipleDefaultsInSwitch: 'More than one default clause in switch statement',
-        NoCatchOrFinally:  'Missing catch or finally after try',
-        UnknownLabel: 'Undefined label \'%0\'',
-        Redeclaration: '%0 \'%1\' has already been declared',
-        IllegalContinue: 'Illegal continue statement',
-        IllegalBreak: 'Illegal break statement',
-        IllegalDuplicateClassProperty: 'Illegal duplicate property in class definition',
-        IllegalReturn: 'Illegal return statement',
-        IllegalSpread: 'Illegal spread element',
-        StrictModeWith:  'Strict mode code may not include a with statement',
-        StrictCatchVariable:  'Catch variable may not be eval or arguments in strict mode',
-        StrictVarName:  'Variable name may not be eval or arguments in strict mode',
-        StrictParamName:  'Parameter name eval or arguments is not allowed in strict mode',
-        StrictParamDupe: 'Strict mode function may not have duplicate parameter names',
-        ParameterAfterRestParameter: 'Rest parameter must be final parameter of an argument list',
-        DefaultRestParameter: 'Rest parameter can not have a default value',
-        ElementAfterSpreadElement: 'Spread must be the final element of an element list',
-        PropertyAfterSpreadProperty: 'A rest property must be the final property of an object literal',
-        ObjectPatternAsRestParameter: 'Invalid rest parameter',
-        ObjectPatternAsSpread: 'Invalid spread argument',
-        StrictFunctionName:  'Function name may not be eval or arguments in strict mode',
-        StrictOctalLiteral:  'Octal literals are not allowed in strict mode.',
-        StrictDelete:  'Delete of an unqualified identifier in strict mode.',
-        StrictDuplicateProperty:  'Duplicate data property in object literal not allowed in strict mode',
-        AccessorDataProperty:  'Object literal may not have data and accessor property with the same name',
-        AccessorGetSet:  'Object literal may not have multiple get/set accessors with the same name',
-        StrictLHSAssignment:  'Assignment to eval or arguments is not allowed in strict mode',
-        StrictLHSPostfix:  'Postfix increment/decrement may not have eval or arguments operand in strict mode',
-        StrictLHSPrefix:  'Prefix increment/decrement may not have eval or arguments operand in strict mode',
-        StrictReservedWord:  'Use of future reserved word in strict mode',
-        MissingFromClause: 'Missing from clause',
-        NoAsAfterImportNamespace: 'Missing as after import *',
-        InvalidModuleSpecifier: 'Invalid module specifier',
-        NoUnintializedConst: 'Const must be initialized',
-        ComprehensionRequiresBlock: 'Comprehension must have at least one block',
-        ComprehensionError:  'Comprehension Error',
-        EachNotAllowed:  'Each is not supported',
-        InvalidXJSAttributeValue: 'XJS value should be either an expression or a quoted XJS text',
-        ExpectedXJSClosingTag: 'Expected corresponding XJS closing tag for %0',
-        AdjacentXJSElements: 'Adjacent XJS elements must be wrapped in an enclosing tag',
-        ConfusedAboutFunctionType: 'Unexpected token =>. It looks like ' +
-            'you are trying to write a function type, but you ended up ' +
-            'writing a grouped type followed by an =>, which is a syntax ' +
-            'error. Remember, function type parameters are named so function ' +
-            'types look like (name1: type1, name2: type2) => returnType. You ' +
-            'probably wrote (type1) => returnType'
-    };
-
-    // See also tools/generate-unicode-regex.py.
-    Regex = {
-        NonAsciiIdentifierStart: new RegExp('[\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u0527\u0531-\u0556\u0559\u0561-\u0587\u05d0-\u05ea\u05f0-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u08a0\u08a2-\u08ac\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0977\u0979-\u097f\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\
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 b1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc]'),
-        NonAsciiIdentifierPart: new RegExp('[\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0300-\u0374\u0376\u0377\u037a-\u037d\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u0483-\u0487\u048a-\u0527\u0531-\u0556\u0559\u0561-\u0587\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u05d0-\u05ea\u05f0-\u05f2\u0610-\u061a\u0620-\u0669\u066e-\u06d3\u06d5-\u06dc\u06df-\u06e8\u06ea-\u06fc\u06ff\u0710-\u074a\u074d-\u07b1\u07c0-\u07f5\u07fa\u0800-\u082d\u0840-\u085b\u08a0\u08a2-\u08ac\u08e4-\u08fe\u0900-\u0963\u0966-\u096f\u0971-\u0977\u0979-\u097f\u0981-\u0983\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bc-\u09c4\u09c7\u09c8\u09cb-\u09ce\u09d7\u09dc\u09dd\u09df-\u09e3\u09e6-\u09f1\u0a01-\u0a03\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a59-\u0a5c\u0a5e\u0a66-\u0a75\u0a81-\u0a83\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8
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 920-\u192b\u1930-\u193b\u1946-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u19d0-\u19d9\u1a00-\u1a1b\u1a20-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1aa7\u1b00-\u1b4b\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1bf3\u1c00-\u1c37\u1c40-\u1c49\u1c4d-\u1c7d\u1cd0-\u1cd2\u1cd4-\u1cf6\u1d00-\u1de6\u1dfc-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u200c\u200d\u203f\u2040\u2054\u2071\u207f\u2090-\u209c\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2102\u2107\u210a-\u2113\u2115\u2119-\u211d\u2124\u2126\u2128\u212a-\u212d\u212f-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d7f-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u2de0-\u2dff\u2e2f\u3005-\u3007\u3021-\u302f\u3031-\u30
 35\u3038-\u303c\u3041-\u3096\u3099\u309a\u309d-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312d\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fcc\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua62b\ua640-\ua66f\ua674-\ua67d\ua67f-\ua697\ua69f-\ua6f1\ua717-\ua71f\ua722-\ua788\ua78b-\ua78e\ua790-\ua793\ua7a0-\ua7aa\ua7f8-\ua827\ua840-\ua873\ua880-\ua8c4\ua8d0-\ua8d9\ua8e0-\ua8f7\ua8fb\ua900-\ua92d\ua930-\ua953\ua960-\ua97c\ua980-\ua9c0\ua9cf-\ua9d9\uaa00-\uaa36\uaa40-\uaa4d\uaa50-\uaa59\uaa60-\uaa76\uaa7a\uaa7b\uaa80-\uaac2\uaadb-\uaadd\uaae0-\uaaef\uaaf2-\uaaf6\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uabc0-\uabea\uabec\uabed\uabf0-\uabf9\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe00-\ufe0f\ufe20-\ufe26\ufe33\ufe34\ufe4d-\ufe4f\ufe70-\ufe74\ufe76-\ufefc\uff10-\uff19\
 uff21-\uff3a\uff3f\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc]'),
-        LeadingZeros: new RegExp('^0+(?!$)')
-    };
-
-    // Ensure the condition is true, otherwise throw an error.
-    // This is only to have a better contract semantic, i.e. another safety net
-    // to catch a logic error. The condition shall be fulfilled in normal case.
-    // Do NOT use this to enforce a certain condition on any user input.
-
-    function assert(condition, message) {
-        if (!condition) {
-            throw new Error('ASSERT: ' + message);
-        }
-    }
-
-    function isDecimalDigit(ch) {
-        return (ch >= 48 && ch <= 57);   // 0..9
-    }
-
-    function isHexDigit(ch) {
-        return '0123456789abcdefABCDEF'.indexOf(ch) >= 0;
-    }
-
-    function isOctalDigit(ch) {
-        return '01234567'.indexOf(ch) >= 0;
-    }
-
-
-    // 7.2 White Space
-
-    function isWhiteSpace(ch) {
-        return (ch === 32) ||  // space
-            (ch === 9) ||      // tab
-            (ch === 0xB) ||
-            (ch === 0xC) ||
-            (ch === 0xA0) ||
-            (ch >= 0x1680 && '\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\uFEFF'.indexOf(String.fromCharCode(ch)) > 0);
-    }
-
-    // 7.3 Line Terminators
-
-    function isLineTerminator(ch) {
-        return (ch === 10) || (ch === 13) || (ch === 0x2028) || (ch === 0x2029);
-    }
-
-    // 7.6 Identifier Names and Identifiers
-
-    function isIdentifierStart(ch) {
-        return (ch === 36) || (ch === 95) ||  // $ (dollar) and _ (underscore)
-            (ch >= 65 && ch <= 90) ||         // A..Z
-            (ch >= 97 && ch <= 122) ||        // a..z
-            (ch === 92) ||                    // \ (backslash)
-            ((ch >= 0x80) && Regex.NonAsciiIdentifierStart.test(String.fromCharCode(ch)));
-    }
-
-    function isIdentifierPart(ch) {
-        return (ch === 36) || (ch === 95) ||  // $ (dollar) and _ (underscore)
-            (ch >= 65 && ch <= 90) ||         // A..Z
-            (ch >= 97 && ch <= 122) ||        // a..z
-            (ch >= 48 && ch <= 57) ||         // 0..9
-            (ch === 92) ||                    // \ (backslash)
-            ((ch >= 0x80) && Regex.NonAsciiIdentifierPart.test(String.fromCharCode(ch)));
-    }
-
-    // 7.6.1.2 Future Reserved Words
-
-    function isFutureReservedWord(id) {
-        switch (id) {
-        case 'class':
-        case 'enum':
-        case 'export':
-        case 'extends':
-        case 'import':
-        case 'super':
-            return true;
-        default:
-            return false;
-        }
-    }
-
-    function isStrictModeReservedWord(id) {
-        switch (id) {
-        case 'implements':
-        case 'interface':
-        case 'package':
-        case 'private':
-        case 'protected':
-        case 'public':
-        case 'static':
-        case 'yield':
-        case 'let':
-            return true;
-        default:
-            return false;
-        }
-    }
-
-    function isRestrictedWord(id) {
-        return id === 'eval' || id === 'arguments';
-    }
-
-    // 7.6.1.1 Keywords
-
-    function isKeyword(id) {
-        if (strict && isStrictModeReservedWord(id)) {
-            return true;
-        }
-
-        // 'const' is specialized as Keyword in V8.
-        // 'yield' is only treated as a keyword in strict mode.
-        // 'let' is for compatiblity with SpiderMonkey and ES.next.
-        // Some others are from future reserved words.
-
-        switch (id.length) {
-        case 2:
-            return (id === 'if') || (id === 'in') || (id === 'do');
-        case 3:
-            return (id === 'var') || (id === 'for') || (id === 'new') ||
-                (id === 'try') || (id === 'let');
-        case 4:
-            return (id === 'this') || (id === 'else') || (id === 'case') ||
-                (id === 'void') || (id === 'with') || (id === 'enum');
-        case 5:
-            return (id === 'while') || (id === 'break') || (id === 'catch') ||
-                (id === 'throw') || (id === 'const') ||
-                (id === 'class') || (id === 'super');
-        case 6:
-            return (id === 'return') || (id === 'typeof') || (id === 'delete') ||
-                (id === 'switch') || (id === 'export') || (id === 'import');
-        case 7:
-            return (id === 'default') || (id === 'finally') || (id === 'extends');
-        case 8:
-            return (id === 'function') || (id === 'continue') || (id === 'debugger');
-        case 10:
-            return (id === 'instanceof');
-        default:
-            return false;
-        }
-    }
-
-    // 7.4 Comments
-
-    function skipComment() {
-        var ch, blockComment, lineComment;
-
-        blockComment = false;
-        lineComment = false;
-
-        while (index < length) {
-            ch = source.charCodeAt(index);
-
-            if (lineComment) {
-                ++index;
-                if (isLineTerminator(ch)) {
-                    lineComment = false;
-                    if (ch === 13 && source.charCodeAt(index) === 10) {
-                        ++index;
-                    }
-                    ++lineNumber;
-                    lineStart = index;
-                }
-            } else if (blockComment) {
-                if (isLineTerminator(ch)) {
-                    if (ch === 13) {
-                        ++index;
-                    }
-                    if (ch !== 13 || source.charCodeAt(index) === 10) {
-                        ++lineNumber;
-                        ++index;
-                        lineStart = index;
-                        if (index >= length) {
-                            throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-                        }
-                    }
-                } else {
-                    ch = source.charCodeAt(index++);
-                    if (index >= length) {
-                        throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-                    }
-                    // Block comment ends with '*/' (char #42, char #47).
-                    if (ch === 42) {
-                        ch = source.charCodeAt(index);
-                        if (ch === 47) {
-                            ++index;
-                            blockComment = false;
-                        }
-                    }
-                }
-            } else if (ch === 47) {
-                ch = source.charCodeAt(index + 1);
-                // Line comment starts with '//' (char #47, char #47).
-                if (ch === 47) {
-                    index += 2;
-                    lineComment = true;
-                } else if (ch === 42) {
-                    // Block comment starts with '/*' (char #47, char #42).
-                    index += 2;
-                    blockComment = true;
-                    if (index >= length) {
-                        throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-                    }
-                } else {
-                    break;
-                }
-            } else if (isWhiteSpace(ch)) {
-                ++index;
-            } else if (isLineTerminator(ch)) {
-                ++index;
-                if (ch === 13 && source.charCodeAt(index) === 10) {
-                    ++index;
-                }
-                ++lineNumber;
-                lineStart = index;
-            } el

<TRUNCATED>

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