'use strict';

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var Vue = _interopDefault(require('vue'));
var vueTemplateCompiler = require('vue-template-compiler');

var commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};

function createCommonjsModule(fn, module) {
	return module = { exports: {} }, fn(module, module.exports), module.exports;
}

var semver = createCommonjsModule(function (module, exports) {
exports = module.exports = SemVer;

// The debug function is excluded entirely from the minified version.
/* nomin */ var debug;
/* nomin */ if (typeof process === 'object' &&
    /* nomin */ process.env &&
    /* nomin */ process.env.NODE_DEBUG &&
    /* nomin */ /\bsemver\b/i.test(process.env.NODE_DEBUG))
  /* nomin */ { debug = function() {
    /* nomin */ var args = Array.prototype.slice.call(arguments, 0);
    /* nomin */ args.unshift('SEMVER');
    /* nomin */ console.log.apply(console, args);
    /* nomin */ }; }
/* nomin */ else
  /* nomin */ { debug = function() {}; }

// Note: this is the semver.org version of the spec that it implements
// Not necessarily the package version of this code.
exports.SEMVER_SPEC_VERSION = '2.0.0';

var MAX_LENGTH = 256;
var MAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991;

// Max safe segment length for coercion.
var MAX_SAFE_COMPONENT_LENGTH = 16;

// The actual regexps go on exports.re
var re = exports.re = [];
var src = exports.src = [];
var R = 0;

// The following Regular Expressions can be used for tokenizing,
// validating, and parsing SemVer version strings.

// ## Numeric Identifier
// A single `0`, or a non-zero digit followed by zero or more digits.

var NUMERICIDENTIFIER = R++;
src[NUMERICIDENTIFIER] = '0|[1-9]\\d*';
var NUMERICIDENTIFIERLOOSE = R++;
src[NUMERICIDENTIFIERLOOSE] = '[0-9]+';


// ## Non-numeric Identifier
// Zero or more digits, followed by a letter or hyphen, and then zero or
// more letters, digits, or hyphens.

var NONNUMERICIDENTIFIER = R++;
src[NONNUMERICIDENTIFIER] = '\\d*[a-zA-Z-][a-zA-Z0-9-]*';


// ## Main Version
// Three dot-separated numeric identifiers.

var MAINVERSION = R++;
src[MAINVERSION] = '(' + src[NUMERICIDENTIFIER] + ')\\.' +
                   '(' + src[NUMERICIDENTIFIER] + ')\\.' +
                   '(' + src[NUMERICIDENTIFIER] + ')';

var MAINVERSIONLOOSE = R++;
src[MAINVERSIONLOOSE] = '(' + src[NUMERICIDENTIFIERLOOSE] + ')\\.' +
                        '(' + src[NUMERICIDENTIFIERLOOSE] + ')\\.' +
                        '(' + src[NUMERICIDENTIFIERLOOSE] + ')';

// ## Pre-release Version Identifier
// A numeric identifier, or a non-numeric identifier.

var PRERELEASEIDENTIFIER = R++;
src[PRERELEASEIDENTIFIER] = '(?:' + src[NUMERICIDENTIFIER] +
                            '|' + src[NONNUMERICIDENTIFIER] + ')';

var PRERELEASEIDENTIFIERLOOSE = R++;
src[PRERELEASEIDENTIFIERLOOSE] = '(?:' + src[NUMERICIDENTIFIERLOOSE] +
                                 '|' + src[NONNUMERICIDENTIFIER] + ')';


// ## Pre-release Version
// Hyphen, followed by one or more dot-separated pre-release version
// identifiers.

var PRERELEASE = R++;
src[PRERELEASE] = '(?:-(' + src[PRERELEASEIDENTIFIER] +
                  '(?:\\.' + src[PRERELEASEIDENTIFIER] + ')*))';

var PRERELEASELOOSE = R++;
src[PRERELEASELOOSE] = '(?:-?(' + src[PRERELEASEIDENTIFIERLOOSE] +
                       '(?:\\.' + src[PRERELEASEIDENTIFIERLOOSE] + ')*))';

// ## Build Metadata Identifier
// Any combination of digits, letters, or hyphens.

var BUILDIDENTIFIER = R++;
src[BUILDIDENTIFIER] = '[0-9A-Za-z-]+';

// ## Build Metadata
// Plus sign, followed by one or more period-separated build metadata
// identifiers.

var BUILD = R++;
src[BUILD] = '(?:\\+(' + src[BUILDIDENTIFIER] +
             '(?:\\.' + src[BUILDIDENTIFIER] + ')*))';


// ## Full Version String
// A main version, followed optionally by a pre-release version and
// build metadata.

// Note that the only major, minor, patch, and pre-release sections of
// the version string are capturing groups.  The build metadata is not a
// capturing group, because it should not ever be used in version
// comparison.

var FULL = R++;
var FULLPLAIN = 'v?' + src[MAINVERSION] +
                src[PRERELEASE] + '?' +
                src[BUILD] + '?';

src[FULL] = '^' + FULLPLAIN + '$';

// like full, but allows v1.2.3 and =1.2.3, which people do sometimes.
// also, 1.0.0alpha1 (prerelease without the hyphen) which is pretty
// common in the npm registry.
var LOOSEPLAIN = '[v=\\s]*' + src[MAINVERSIONLOOSE] +
                 src[PRERELEASELOOSE] + '?' +
                 src[BUILD] + '?';

var LOOSE = R++;
src[LOOSE] = '^' + LOOSEPLAIN + '$';

var GTLT = R++;
src[GTLT] = '((?:<|>)?=?)';

// Something like "2.*" or "1.2.x".
// Note that "x.x" is a valid xRange identifer, meaning "any version"
// Only the first item is strictly required.
var XRANGEIDENTIFIERLOOSE = R++;
src[XRANGEIDENTIFIERLOOSE] = src[NUMERICIDENTIFIERLOOSE] + '|x|X|\\*';
var XRANGEIDENTIFIER = R++;
src[XRANGEIDENTIFIER] = src[NUMERICIDENTIFIER] + '|x|X|\\*';

var XRANGEPLAIN = R++;
src[XRANGEPLAIN] = '[v=\\s]*(' + src[XRANGEIDENTIFIER] + ')' +
                   '(?:\\.(' + src[XRANGEIDENTIFIER] + ')' +
                   '(?:\\.(' + src[XRANGEIDENTIFIER] + ')' +
                   '(?:' + src[PRERELEASE] + ')?' +
                   src[BUILD] + '?' +
                   ')?)?';

var XRANGEPLAINLOOSE = R++;
src[XRANGEPLAINLOOSE] = '[v=\\s]*(' + src[XRANGEIDENTIFIERLOOSE] + ')' +
                        '(?:\\.(' + src[XRANGEIDENTIFIERLOOSE] + ')' +
                        '(?:\\.(' + src[XRANGEIDENTIFIERLOOSE] + ')' +
                        '(?:' + src[PRERELEASELOOSE] + ')?' +
                        src[BUILD] + '?' +
                        ')?)?';

var XRANGE = R++;
src[XRANGE] = '^' + src[GTLT] + '\\s*' + src[XRANGEPLAIN] + '$';
var XRANGELOOSE = R++;
src[XRANGELOOSE] = '^' + src[GTLT] + '\\s*' + src[XRANGEPLAINLOOSE] + '$';

// Coercion.
// Extract anything that could conceivably be a part of a valid semver
var COERCE = R++;
src[COERCE] = '(?:^|[^\\d])' +
              '(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '})' +
              '(?:\\.(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '}))?' +
              '(?:\\.(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '}))?' +
              '(?:$|[^\\d])';

// Tilde ranges.
// Meaning is "reasonably at or greater than"
var LONETILDE = R++;
src[LONETILDE] = '(?:~>?)';

var TILDETRIM = R++;
src[TILDETRIM] = '(\\s*)' + src[LONETILDE] + '\\s+';
re[TILDETRIM] = new RegExp(src[TILDETRIM], 'g');
var tildeTrimReplace = '$1~';

var TILDE = R++;
src[TILDE] = '^' + src[LONETILDE] + src[XRANGEPLAIN] + '$';
var TILDELOOSE = R++;
src[TILDELOOSE] = '^' + src[LONETILDE] + src[XRANGEPLAINLOOSE] + '$';

// Caret ranges.
// Meaning is "at least and backwards compatible with"
var LONECARET = R++;
src[LONECARET] = '(?:\\^)';

var CARETTRIM = R++;
src[CARETTRIM] = '(\\s*)' + src[LONECARET] + '\\s+';
re[CARETTRIM] = new RegExp(src[CARETTRIM], 'g');
var caretTrimReplace = '$1^';

var CARET = R++;
src[CARET] = '^' + src[LONECARET] + src[XRANGEPLAIN] + '$';
var CARETLOOSE = R++;
src[CARETLOOSE] = '^' + src[LONECARET] + src[XRANGEPLAINLOOSE] + '$';

// A simple gt/lt/eq thing, or just "" to indicate "any version"
var COMPARATORLOOSE = R++;
src[COMPARATORLOOSE] = '^' + src[GTLT] + '\\s*(' + LOOSEPLAIN + ')$|^$';
var COMPARATOR = R++;
src[COMPARATOR] = '^' + src[GTLT] + '\\s*(' + FULLPLAIN + ')$|^$';


// An expression to strip any whitespace between the gtlt and the thing
// it modifies, so that `> 1.2.3` ==> `>1.2.3`
var COMPARATORTRIM = R++;
src[COMPARATORTRIM] = '(\\s*)' + src[GTLT] +
                      '\\s*(' + LOOSEPLAIN + '|' + src[XRANGEPLAIN] + ')';

// this one has to use the /g flag
re[COMPARATORTRIM] = new RegExp(src[COMPARATORTRIM], 'g');
var comparatorTrimReplace = '$1$2$3';


// Something like `1.2.3 - 1.2.4`
// Note that these all use the loose form, because they'll be
// checked against either the strict or loose comparator form
// later.
var HYPHENRANGE = R++;
src[HYPHENRANGE] = '^\\s*(' + src[XRANGEPLAIN] + ')' +
                   '\\s+-\\s+' +
                   '(' + src[XRANGEPLAIN] + ')' +
                   '\\s*$';

var HYPHENRANGELOOSE = R++;
src[HYPHENRANGELOOSE] = '^\\s*(' + src[XRANGEPLAINLOOSE] + ')' +
                        '\\s+-\\s+' +
                        '(' + src[XRANGEPLAINLOOSE] + ')' +
                        '\\s*$';

// Star ranges basically just allow anything at all.
var STAR = R++;
src[STAR] = '(<|>)?=?\\s*\\*';

// Compile to actual regexp objects.
// All are flag-free, unless they were created above with a flag.
for (var i = 0; i < R; i++) {
  debug(i, src[i]);
  if (!re[i])
    { re[i] = new RegExp(src[i]); }
}

exports.parse = parse;
function parse(version, options) {
  if (!options || typeof options !== 'object')
    { options = { loose: !!options, includePrerelease: false }; }

  if (version instanceof SemVer)
    { return version; }

  if (typeof version !== 'string')
    { return null; }

  if (version.length > MAX_LENGTH)
    { return null; }

  var r = options.loose ? re[LOOSE] : re[FULL];
  if (!r.test(version))
    { return null; }

  try {
    return new SemVer(version, options);
  } catch (er) {
    return null;
  }
}

exports.valid = valid;
function valid(version, options) {
  var v = parse(version, options);
  return v ? v.version : null;
}


exports.clean = clean;
function clean(version, options) {
  var s = parse(version.trim().replace(/^[=v]+/, ''), options);
  return s ? s.version : null;
}

exports.SemVer = SemVer;

function SemVer(version, options) {
  if (!options || typeof options !== 'object')
    { options = { loose: !!options, includePrerelease: false }; }
  if (version instanceof SemVer) {
    if (version.loose === options.loose)
      { return version; }
    else
      { version = version.version; }
  } else if (typeof version !== 'string') {
    throw new TypeError('Invalid Version: ' + version);
  }

  if (version.length > MAX_LENGTH)
    { throw new TypeError('version is longer than ' + MAX_LENGTH + ' characters') }

  if (!(this instanceof SemVer))
    { return new SemVer(version, options); }

  debug('SemVer', version, options);
  this.options = options;
  this.loose = !!options.loose;

  var m = version.trim().match(options.loose ? re[LOOSE] : re[FULL]);

  if (!m)
    { throw new TypeError('Invalid Version: ' + version); }

  this.raw = version;

  // these are actually numbers
  this.major = +m[1];
  this.minor = +m[2];
  this.patch = +m[3];

  if (this.major > MAX_SAFE_INTEGER || this.major < 0)
    { throw new TypeError('Invalid major version') }

  if (this.minor > MAX_SAFE_INTEGER || this.minor < 0)
    { throw new TypeError('Invalid minor version') }

  if (this.patch > MAX_SAFE_INTEGER || this.patch < 0)
    { throw new TypeError('Invalid patch version') }

  // numberify any prerelease numeric ids
  if (!m[4])
    { this.prerelease = []; }
  else
    { this.prerelease = m[4].split('.').map(function(id) {
      if (/^[0-9]+$/.test(id)) {
        var num = +id;
        if (num >= 0 && num < MAX_SAFE_INTEGER)
          { return num; }
      }
      return id;
    }); }

  this.build = m[5] ? m[5].split('.') : [];
  this.format();
}

SemVer.prototype.format = function() {
  this.version = this.major + '.' + this.minor + '.' + this.patch;
  if (this.prerelease.length)
    { this.version += '-' + this.prerelease.join('.'); }
  return this.version;
};

SemVer.prototype.toString = function() {
  return this.version;
};

SemVer.prototype.compare = function(other) {
  debug('SemVer.compare', this.version, this.options, other);
  if (!(other instanceof SemVer))
    { other = new SemVer(other, this.options); }

  return this.compareMain(other) || this.comparePre(other);
};

SemVer.prototype.compareMain = function(other) {
  if (!(other instanceof SemVer))
    { other = new SemVer(other, this.options); }

  return compareIdentifiers(this.major, other.major) ||
         compareIdentifiers(this.minor, other.minor) ||
         compareIdentifiers(this.patch, other.patch);
};

SemVer.prototype.comparePre = function(other) {
  var this$1 = this;

  if (!(other instanceof SemVer))
    { other = new SemVer(other, this.options); }

  // NOT having a prerelease is > having one
  if (this.prerelease.length && !other.prerelease.length)
    { return -1; }
  else if (!this.prerelease.length && other.prerelease.length)
    { return 1; }
  else if (!this.prerelease.length && !other.prerelease.length)
    { return 0; }

  var i = 0;
  do {
    var a = this$1.prerelease[i];
    var b = other.prerelease[i];
    debug('prerelease compare', i, a, b);
    if (a === undefined && b === undefined)
      { return 0; }
    else if (b === undefined)
      { return 1; }
    else if (a === undefined)
      { return -1; }
    else if (a === b)
      { continue; }
    else
      { return compareIdentifiers(a, b); }
  } while (++i);
};

// preminor will bump the version up to the next minor release, and immediately
// down to pre-release. premajor and prepatch work the same way.
SemVer.prototype.inc = function(release, identifier) {
  var this$1 = this;

  switch (release) {
    case 'premajor':
      this.prerelease.length = 0;
      this.patch = 0;
      this.minor = 0;
      this.major++;
      this.inc('pre', identifier);
      break;
    case 'preminor':
      this.prerelease.length = 0;
      this.patch = 0;
      this.minor++;
      this.inc('pre', identifier);
      break;
    case 'prepatch':
      // If this is already a prerelease, it will bump to the next version
      // drop any prereleases that might already exist, since they are not
      // relevant at this point.
      this.prerelease.length = 0;
      this.inc('patch', identifier);
      this.inc('pre', identifier);
      break;
    // If the input is a non-prerelease version, this acts the same as
    // prepatch.
    case 'prerelease':
      if (this.prerelease.length === 0)
        { this.inc('patch', identifier); }
      this.inc('pre', identifier);
      break;

    case 'major':
      // If this is a pre-major version, bump up to the same major version.
      // Otherwise increment major.
      // 1.0.0-5 bumps to 1.0.0
      // 1.1.0 bumps to 2.0.0
      if (this.minor !== 0 || this.patch !== 0 || this.prerelease.length === 0)
        { this.major++; }
      this.minor = 0;
      this.patch = 0;
      this.prerelease = [];
      break;
    case 'minor':
      // If this is a pre-minor version, bump up to the same minor version.
      // Otherwise increment minor.
      // 1.2.0-5 bumps to 1.2.0
      // 1.2.1 bumps to 1.3.0
      if (this.patch !== 0 || this.prerelease.length === 0)
        { this.minor++; }
      this.patch = 0;
      this.prerelease = [];
      break;
    case 'patch':
      // If this is not a pre-release version, it will increment the patch.
      // If it is a pre-release it will bump up to the same patch version.
      // 1.2.0-5 patches to 1.2.0
      // 1.2.0 patches to 1.2.1
      if (this.prerelease.length === 0)
        { this.patch++; }
      this.prerelease = [];
      break;
    // This probably shouldn't be used publicly.
    // 1.0.0 "pre" would become 1.0.0-0 which is the wrong direction.
    case 'pre':
      if (this.prerelease.length === 0)
        { this.prerelease = [0]; }
      else {
        var i = this.prerelease.length;
        while (--i >= 0) {
          if (typeof this$1.prerelease[i] === 'number') {
            this$1.prerelease[i]++;
            i = -2;
          }
        }
        if (i === -1) // didn't increment anything
          { this.prerelease.push(0); }
      }
      if (identifier) {
        // 1.2.0-beta.1 bumps to 1.2.0-beta.2,
        // 1.2.0-beta.fooblz or 1.2.0-beta bumps to 1.2.0-beta.0
        if (this.prerelease[0] === identifier) {
          if (isNaN(this.prerelease[1]))
            { this.prerelease = [identifier, 0]; }
        } else
          { this.prerelease = [identifier, 0]; }
      }
      break;

    default:
      throw new Error('invalid increment argument: ' + release);
  }
  this.format();
  this.raw = this.version;
  return this;
};

exports.inc = inc;
function inc(version, release, loose, identifier) {
  if (typeof(loose) === 'string') {
    identifier = loose;
    loose = undefined;
  }

  try {
    return new SemVer(version, loose).inc(release, identifier).version;
  } catch (er) {
    return null;
  }
}

exports.diff = diff;
function diff(version1, version2) {
  if (eq(version1, version2)) {
    return null;
  } else {
    var v1 = parse(version1);
    var v2 = parse(version2);
    if (v1.prerelease.length || v2.prerelease.length) {
      for (var key in v1) {
        if (key === 'major' || key === 'minor' || key === 'patch') {
          if (v1[key] !== v2[key]) {
            return 'pre'+key;
          }
        }
      }
      return 'prerelease';
    }
    for (var key in v1) {
      if (key === 'major' || key === 'minor' || key === 'patch') {
        if (v1[key] !== v2[key]) {
          return key;
        }
      }
    }
  }
}

exports.compareIdentifiers = compareIdentifiers;

var numeric = /^[0-9]+$/;
function compareIdentifiers(a, b) {
  var anum = numeric.test(a);
  var bnum = numeric.test(b);

  if (anum && bnum) {
    a = +a;
    b = +b;
  }

  return (anum && !bnum) ? -1 :
         (bnum && !anum) ? 1 :
         a < b ? -1 :
         a > b ? 1 :
         0;
}

exports.rcompareIdentifiers = rcompareIdentifiers;
function rcompareIdentifiers(a, b) {
  return compareIdentifiers(b, a);
}

exports.major = major;
function major(a, loose) {
  return new SemVer(a, loose).major;
}

exports.minor = minor;
function minor(a, loose) {
  return new SemVer(a, loose).minor;
}

exports.patch = patch;
function patch(a, loose) {
  return new SemVer(a, loose).patch;
}

exports.compare = compare;
function compare(a, b, loose) {
  return new SemVer(a, loose).compare(new SemVer(b, loose));
}

exports.compareLoose = compareLoose;
function compareLoose(a, b) {
  return compare(a, b, true);
}

exports.rcompare = rcompare;
function rcompare(a, b, loose) {
  return compare(b, a, loose);
}

exports.sort = sort;
function sort(list, loose) {
  return list.sort(function(a, b) {
    return exports.compare(a, b, loose);
  });
}

exports.rsort = rsort;
function rsort(list, loose) {
  return list.sort(function(a, b) {
    return exports.rcompare(a, b, loose);
  });
}

exports.gt = gt;
function gt(a, b, loose) {
  return compare(a, b, loose) > 0;
}

exports.lt = lt;
function lt(a, b, loose) {
  return compare(a, b, loose) < 0;
}

exports.eq = eq;
function eq(a, b, loose) {
  return compare(a, b, loose) === 0;
}

exports.neq = neq;
function neq(a, b, loose) {
  return compare(a, b, loose) !== 0;
}

exports.gte = gte;
function gte(a, b, loose) {
  return compare(a, b, loose) >= 0;
}

exports.lte = lte;
function lte(a, b, loose) {
  return compare(a, b, loose) <= 0;
}

exports.cmp = cmp;
function cmp(a, op, b, loose) {
  var ret;
  switch (op) {
    case '===':
      if (typeof a === 'object') { a = a.version; }
      if (typeof b === 'object') { b = b.version; }
      ret = a === b;
      break;
    case '!==':
      if (typeof a === 'object') { a = a.version; }
      if (typeof b === 'object') { b = b.version; }
      ret = a !== b;
      break;
    case '': case '=': case '==': ret = eq(a, b, loose); break;
    case '!=': ret = neq(a, b, loose); break;
    case '>': ret = gt(a, b, loose); break;
    case '>=': ret = gte(a, b, loose); break;
    case '<': ret = lt(a, b, loose); break;
    case '<=': ret = lte(a, b, loose); break;
    default: throw new TypeError('Invalid operator: ' + op);
  }
  return ret;
}

exports.Comparator = Comparator;
function Comparator(comp, options) {
  if (!options || typeof options !== 'object')
    { options = { loose: !!options, includePrerelease: false }; }

  if (comp instanceof Comparator) {
    if (comp.loose === !!options.loose)
      { return comp; }
    else
      { comp = comp.value; }
  }

  if (!(this instanceof Comparator))
    { return new Comparator(comp, options); }

  debug('comparator', comp, options);
  this.options = options;
  this.loose = !!options.loose;
  this.parse(comp);

  if (this.semver === ANY)
    { this.value = ''; }
  else
    { this.value = this.operator + this.semver.version; }

  debug('comp', this);
}

var ANY = {};
Comparator.prototype.parse = function(comp) {
  var r = this.options.loose ? re[COMPARATORLOOSE] : re[COMPARATOR];
  var m = comp.match(r);

  if (!m)
    { throw new TypeError('Invalid comparator: ' + comp); }

  this.operator = m[1];
  if (this.operator === '=')
    { this.operator = ''; }

  // if it literally is just '>' or '' then allow anything.
  if (!m[2])
    { this.semver = ANY; }
  else
    { this.semver = new SemVer(m[2], this.options.loose); }
};

Comparator.prototype.toString = function() {
  return this.value;
};

Comparator.prototype.test = function(version) {
  debug('Comparator.test', version, this.options.loose);

  if (this.semver === ANY)
    { return true; }

  if (typeof version === 'string')
    { version = new SemVer(version, this.options); }

  return cmp(version, this.operator, this.semver, this.options);
};

Comparator.prototype.intersects = function(comp, options) {
  if (!(comp instanceof Comparator)) {
    throw new TypeError('a Comparator is required');
  }

  if (!options || typeof options !== 'object')
    { options = { loose: !!options, includePrerelease: false }; }

  var rangeTmp;

  if (this.operator === '') {
    rangeTmp = new Range(comp.value, options);
    return satisfies(this.value, rangeTmp, options);
  } else if (comp.operator === '') {
    rangeTmp = new Range(this.value, options);
    return satisfies(comp.semver, rangeTmp, options);
  }

  var sameDirectionIncreasing =
    (this.operator === '>=' || this.operator === '>') &&
    (comp.operator === '>=' || comp.operator === '>');
  var sameDirectionDecreasing =
    (this.operator === '<=' || this.operator === '<') &&
    (comp.operator === '<=' || comp.operator === '<');
  var sameSemVer = this.semver.version === comp.semver.version;
  var differentDirectionsInclusive =
    (this.operator === '>=' || this.operator === '<=') &&
    (comp.operator === '>=' || comp.operator === '<=');
  var oppositeDirectionsLessThan =
    cmp(this.semver, '<', comp.semver, options) &&
    ((this.operator === '>=' || this.operator === '>') &&
    (comp.operator === '<=' || comp.operator === '<'));
  var oppositeDirectionsGreaterThan =
    cmp(this.semver, '>', comp.semver, options) &&
    ((this.operator === '<=' || this.operator === '<') &&
    (comp.operator === '>=' || comp.operator === '>'));

  return sameDirectionIncreasing || sameDirectionDecreasing ||
    (sameSemVer && differentDirectionsInclusive) ||
    oppositeDirectionsLessThan || oppositeDirectionsGreaterThan;
};


exports.Range = Range;
function Range(range, options) {
  if (!options || typeof options !== 'object')
    { options = { loose: !!options, includePrerelease: false }; }

  if (range instanceof Range) {
    if (range.loose === !!options.loose &&
        range.includePrerelease === !!options.includePrerelease) {
      return range;
    } else {
      return new Range(range.raw, options);
    }
  }

  if (range instanceof Comparator) {
    return new Range(range.value, options);
  }

  if (!(this instanceof Range))
    { return new Range(range, options); }

  this.options = options;
  this.loose = !!options.loose;
  this.includePrerelease = !!options.includePrerelease;

  // First, split based on boolean or ||
  this.raw = range;
  this.set = range.split(/\s*\|\|\s*/).map(function(range) {
    return this.parseRange(range.trim());
  }, this).filter(function(c) {
    // throw out any that are not relevant for whatever reason
    return c.length;
  });

  if (!this.set.length) {
    throw new TypeError('Invalid SemVer Range: ' + range);
  }

  this.format();
}

Range.prototype.format = function() {
  this.range = this.set.map(function(comps) {
    return comps.join(' ').trim();
  }).join('||').trim();
  return this.range;
};

Range.prototype.toString = function() {
  return this.range;
};

Range.prototype.parseRange = function(range) {
  var loose = this.options.loose;
  range = range.trim();
  // `1.2.3 - 1.2.4` => `>=1.2.3 <=1.2.4`
  var hr = loose ? re[HYPHENRANGELOOSE] : re[HYPHENRANGE];
  range = range.replace(hr, hyphenReplace);
  debug('hyphen replace', range);
  // `> 1.2.3 < 1.2.5` => `>1.2.3 <1.2.5`
  range = range.replace(re[COMPARATORTRIM], comparatorTrimReplace);
  debug('comparator trim', range, re[COMPARATORTRIM]);

  // `~ 1.2.3` => `~1.2.3`
  range = range.replace(re[TILDETRIM], tildeTrimReplace);

  // `^ 1.2.3` => `^1.2.3`
  range = range.replace(re[CARETTRIM], caretTrimReplace);

  // normalize spaces
  range = range.split(/\s+/).join(' ');

  // At this point, the range is completely trimmed and
  // ready to be split into comparators.

  var compRe = loose ? re[COMPARATORLOOSE] : re[COMPARATOR];
  var set = range.split(' ').map(function(comp) {
    return parseComparator(comp, this.options);
  }, this).join(' ').split(/\s+/);
  if (this.options.loose) {
    // in loose mode, throw out any that are not valid comparators
    set = set.filter(function(comp) {
      return !!comp.match(compRe);
    });
  }
  set = set.map(function(comp) {
    return new Comparator(comp, this.options);
  }, this);

  return set;
};

Range.prototype.intersects = function(range, options) {
  if (!(range instanceof Range)) {
    throw new TypeError('a Range is required');
  }

  return this.set.some(function(thisComparators) {
    return thisComparators.every(function(thisComparator) {
      return range.set.some(function(rangeComparators) {
        return rangeComparators.every(function(rangeComparator) {
          return thisComparator.intersects(rangeComparator, options);
        });
      });
    });
  });
};

// Mostly just for testing and legacy API reasons
exports.toComparators = toComparators;
function toComparators(range, options) {
  return new Range(range, options).set.map(function(comp) {
    return comp.map(function(c) {
      return c.value;
    }).join(' ').trim().split(' ');
  });
}

// comprised of xranges, tildes, stars, and gtlt's at this point.
// already replaced the hyphen ranges
// turn into a set of JUST comparators.
function parseComparator(comp, options) {
  debug('comp', comp, options);
  comp = replaceCarets(comp, options);
  debug('caret', comp);
  comp = replaceTildes(comp, options);
  debug('tildes', comp);
  comp = replaceXRanges(comp, options);
  debug('xrange', comp);
  comp = replaceStars(comp, options);
  debug('stars', comp);
  return comp;
}

function isX(id) {
  return !id || id.toLowerCase() === 'x' || id === '*';
}

// ~, ~> --> * (any, kinda silly)
// ~2, ~2.x, ~2.x.x, ~>2, ~>2.x ~>2.x.x --> >=2.0.0 <3.0.0
// ~2.0, ~2.0.x, ~>2.0, ~>2.0.x --> >=2.0.0 <2.1.0
// ~1.2, ~1.2.x, ~>1.2, ~>1.2.x --> >=1.2.0 <1.3.0
// ~1.2.3, ~>1.2.3 --> >=1.2.3 <1.3.0
// ~1.2.0, ~>1.2.0 --> >=1.2.0 <1.3.0
function replaceTildes(comp, options) {
  return comp.trim().split(/\s+/).map(function(comp) {
    return replaceTilde(comp, options);
  }).join(' ');
}

function replaceTilde(comp, options) {
  if (!options || typeof options !== 'object')
    { options = { loose: !!options, includePrerelease: false }; }
  var r = options.loose ? re[TILDELOOSE] : re[TILDE];
  return comp.replace(r, function(_, M, m, p, pr) {
    debug('tilde', comp, _, M, m, p, pr);
    var ret;

    if (isX(M))
      { ret = ''; }
    else if (isX(m))
      { ret = '>=' + M + '.0.0 <' + (+M + 1) + '.0.0'; }
    else if (isX(p))
      // ~1.2 == >=1.2.0 <1.3.0
      { ret = '>=' + M + '.' + m + '.0 <' + M + '.' + (+m + 1) + '.0'; }
    else if (pr) {
      debug('replaceTilde pr', pr);
      if (pr.charAt(0) !== '-')
        { pr = '-' + pr; }
      ret = '>=' + M + '.' + m + '.' + p + pr +
            ' <' + M + '.' + (+m + 1) + '.0';
    } else
      // ~1.2.3 == >=1.2.3 <1.3.0
      { ret = '>=' + M + '.' + m + '.' + p +
            ' <' + M + '.' + (+m + 1) + '.0'; }

    debug('tilde return', ret);
    return ret;
  });
}

// ^ --> * (any, kinda silly)
// ^2, ^2.x, ^2.x.x --> >=2.0.0 <3.0.0
// ^2.0, ^2.0.x --> >=2.0.0 <3.0.0
// ^1.2, ^1.2.x --> >=1.2.0 <2.0.0
// ^1.2.3 --> >=1.2.3 <2.0.0
// ^1.2.0 --> >=1.2.0 <2.0.0
function replaceCarets(comp, options) {
  return comp.trim().split(/\s+/).map(function(comp) {
    return replaceCaret(comp, options);
  }).join(' ');
}

function replaceCaret(comp, options) {
  debug('caret', comp, options);
  if (!options || typeof options !== 'object')
    { options = { loose: !!options, includePrerelease: false }; }
  var r = options.loose ? re[CARETLOOSE] : re[CARET];
  return comp.replace(r, function(_, M, m, p, pr) {
    debug('caret', comp, _, M, m, p, pr);
    var ret;

    if (isX(M))
      { ret = ''; }
    else if (isX(m))
      { ret = '>=' + M + '.0.0 <' + (+M + 1) + '.0.0'; }
    else if (isX(p)) {
      if (M === '0')
        { ret = '>=' + M + '.' + m + '.0 <' + M + '.' + (+m + 1) + '.0'; }
      else
        { ret = '>=' + M + '.' + m + '.0 <' + (+M + 1) + '.0.0'; }
    } else if (pr) {
      debug('replaceCaret pr', pr);
      if (pr.charAt(0) !== '-')
        { pr = '-' + pr; }
      if (M === '0') {
        if (m === '0')
          { ret = '>=' + M + '.' + m + '.' + p + pr +
                ' <' + M + '.' + m + '.' + (+p + 1); }
        else
          { ret = '>=' + M + '.' + m + '.' + p + pr +
                ' <' + M + '.' + (+m + 1) + '.0'; }
      } else
        { ret = '>=' + M + '.' + m + '.' + p + pr +
              ' <' + (+M + 1) + '.0.0'; }
    } else {
      debug('no pr');
      if (M === '0') {
        if (m === '0')
          { ret = '>=' + M + '.' + m + '.' + p +
                ' <' + M + '.' + m + '.' + (+p + 1); }
        else
          { ret = '>=' + M + '.' + m + '.' + p +
                ' <' + M + '.' + (+m + 1) + '.0'; }
      } else
        { ret = '>=' + M + '.' + m + '.' + p +
              ' <' + (+M + 1) + '.0.0'; }
    }

    debug('caret return', ret);
    return ret;
  });
}

function replaceXRanges(comp, options) {
  debug('replaceXRanges', comp, options);
  return comp.split(/\s+/).map(function(comp) {
    return replaceXRange(comp, options);
  }).join(' ');
}

function replaceXRange(comp, options) {
  comp = comp.trim();
  if (!options || typeof options !== 'object')
    { options = { loose: !!options, includePrerelease: false }; }
  var r = options.loose ? re[XRANGELOOSE] : re[XRANGE];
  return comp.replace(r, function(ret, gtlt, M, m, p, pr) {
    debug('xRange', comp, ret, gtlt, M, m, p, pr);
    var xM = isX(M);
    var xm = xM || isX(m);
    var xp = xm || isX(p);
    var anyX = xp;

    if (gtlt === '=' && anyX)
      { gtlt = ''; }

    if (xM) {
      if (gtlt === '>' || gtlt === '<') {
        // nothing is allowed
        ret = '<0.0.0';
      } else {
        // nothing is forbidden
        ret = '*';
      }
    } else if (gtlt && anyX) {
      // replace X with 0
      if (xm)
        { m = 0; }
      if (xp)
        { p = 0; }

      if (gtlt === '>') {
        // >1 => >=2.0.0
        // >1.2 => >=1.3.0
        // >1.2.3 => >= 1.2.4
        gtlt = '>=';
        if (xm) {
          M = +M + 1;
          m = 0;
          p = 0;
        } else if (xp) {
          m = +m + 1;
          p = 0;
        }
      } else if (gtlt === '<=') {
        // <=0.7.x is actually <0.8.0, since any 0.7.x should
        // pass.  Similarly, <=7.x is actually <8.0.0, etc.
        gtlt = '<';
        if (xm)
          { M = +M + 1; }
        else
          { m = +m + 1; }
      }

      ret = gtlt + M + '.' + m + '.' + p;
    } else if (xm) {
      ret = '>=' + M + '.0.0 <' + (+M + 1) + '.0.0';
    } else if (xp) {
      ret = '>=' + M + '.' + m + '.0 <' + M + '.' + (+m + 1) + '.0';
    }

    debug('xRange return', ret);

    return ret;
  });
}

// Because * is AND-ed with everything else in the comparator,
// and '' means "any version", just remove the *s entirely.
function replaceStars(comp, options) {
  debug('replaceStars', comp, options);
  // Looseness is ignored here.  star is always as loose as it gets!
  return comp.trim().replace(re[STAR], '');
}

// This function is passed to string.replace(re[HYPHENRANGE])
// M, m, patch, prerelease, build
// 1.2 - 3.4.5 => >=1.2.0 <=3.4.5
// 1.2.3 - 3.4 => >=1.2.0 <3.5.0 Any 3.4.x will do
// 1.2 - 3.4 => >=1.2.0 <3.5.0
function hyphenReplace($0,
                       from, fM, fm, fp, fpr, fb,
                       to, tM, tm, tp, tpr, tb) {

  if (isX(fM))
    { from = ''; }
  else if (isX(fm))
    { from = '>=' + fM + '.0.0'; }
  else if (isX(fp))
    { from = '>=' + fM + '.' + fm + '.0'; }
  else
    { from = '>=' + from; }

  if (isX(tM))
    { to = ''; }
  else if (isX(tm))
    { to = '<' + (+tM + 1) + '.0.0'; }
  else if (isX(tp))
    { to = '<' + tM + '.' + (+tm + 1) + '.0'; }
  else if (tpr)
    { to = '<=' + tM + '.' + tm + '.' + tp + '-' + tpr; }
  else
    { to = '<=' + to; }

  return (from + ' ' + to).trim();
}


// if ANY of the sets match ALL of its comparators, then pass
Range.prototype.test = function(version) {
  var this$1 = this;

  if (!version)
    { return false; }

  if (typeof version === 'string')
    { version = new SemVer(version, this.options); }

  for (var i = 0; i < this.set.length; i++) {
    if (testSet(this$1.set[i], version, this$1.options))
      { return true; }
  }
  return false;
};

function testSet(set, version, options) {
  for (var i = 0; i < set.length; i++) {
    if (!set[i].test(version))
      { return false; }
  }

  if (!options)
    { options = {}; }

  if (version.prerelease.length && !options.includePrerelease) {
    // Find the set of versions that are allowed to have prereleases
    // For example, ^1.2.3-pr.1 desugars to >=1.2.3-pr.1 <2.0.0
    // That should allow `1.2.3-pr.2` to pass.
    // However, `1.2.4-alpha.notready` should NOT be allowed,
    // even though it's within the range set by the comparators.
    for (var i = 0; i < set.length; i++) {
      debug(set[i].semver);
      if (set[i].semver === ANY)
        { continue; }

      if (set[i].semver.prerelease.length > 0) {
        var allowed = set[i].semver;
        if (allowed.major === version.major &&
            allowed.minor === version.minor &&
            allowed.patch === version.patch)
          { return true; }
      }
    }

    // Version has a -pre, but it's not one of the ones we like.
    return false;
  }

  return true;
}

exports.satisfies = satisfies;
function satisfies(version, range, options) {
  try {
    range = new Range(range, options);
  } catch (er) {
    return false;
  }
  return range.test(version);
}

exports.maxSatisfying = maxSatisfying;
function maxSatisfying(versions, range, options) {
  var max = null;
  var maxSV = null;
  try {
    var rangeObj = new Range(range, options);
  } catch (er) {
    return null;
  }
  versions.forEach(function (v) {
    if (rangeObj.test(v)) { // satisfies(v, range, options)
      if (!max || maxSV.compare(v) === -1) { // compare(max, v, true)
        max = v;
        maxSV = new SemVer(max, options);
      }
    }
  });
  return max;
}

exports.minSatisfying = minSatisfying;
function minSatisfying(versions, range, options) {
  var min = null;
  var minSV = null;
  try {
    var rangeObj = new Range(range, options);
  } catch (er) {
    return null;
  }
  versions.forEach(function (v) {
    if (rangeObj.test(v)) { // satisfies(v, range, options)
      if (!min || minSV.compare(v) === 1) { // compare(min, v, true)
        min = v;
        minSV = new SemVer(min, options);
      }
    }
  });
  return min;
}

exports.validRange = validRange;
function validRange(range, options) {
  try {
    // Return '*' instead of '' so that truthiness works.
    // This will throw if it's invalid anyway
    return new Range(range, options).range || '*';
  } catch (er) {
    return null;
  }
}

// Determine if version is less than all the versions possible in the range
exports.ltr = ltr;
function ltr(version, range, options) {
  return outside(version, range, '<', options);
}

// Determine if version is greater than all the versions possible in the range.
exports.gtr = gtr;
function gtr(version, range, options) {
  return outside(version, range, '>', options);
}

exports.outside = outside;
function outside(version, range, hilo, options) {
  version = new SemVer(version, options);
  range = new Range(range, options);

  var gtfn, ltefn, ltfn, comp, ecomp;
  switch (hilo) {
    case '>':
      gtfn = gt;
      ltefn = lte;
      ltfn = lt;
      comp = '>';
      ecomp = '>=';
      break;
    case '<':
      gtfn = lt;
      ltefn = gte;
      ltfn = gt;
      comp = '<';
      ecomp = '<=';
      break;
    default:
      throw new TypeError('Must provide a hilo val of "<" or ">"');
  }

  // If it satisifes the range it is not outside
  if (satisfies(version, range, options)) {
    return false;
  }

  // From now on, variable terms are as if we're in "gtr" mode.
  // but note that everything is flipped for the "ltr" function.

  for (var i = 0; i < range.set.length; ++i) {
    var comparators = range.set[i];

    var high = null;
    var low = null;

    comparators.forEach(function(comparator) {
      if (comparator.semver === ANY) {
        comparator = new Comparator('>=0.0.0');
      }
      high = high || comparator;
      low = low || comparator;
      if (gtfn(comparator.semver, high.semver, options)) {
        high = comparator;
      } else if (ltfn(comparator.semver, low.semver, options)) {
        low = comparator;
      }
    });

    // If the edge version comparator has a operator then our version
    // isn't outside it
    if (high.operator === comp || high.operator === ecomp) {
      return false;
    }

    // If the lowest version comparator has an operator and our version
    // is less than it then it isn't higher than the range
    if ((!low.operator || low.operator === comp) &&
        ltefn(version, low.semver)) {
      return false;
    } else if (low.operator === ecomp && ltfn(version, low.semver)) {
      return false;
    }
  }
  return true;
}

exports.prerelease = prerelease;
function prerelease(version, options) {
  var parsed = parse(version, options);
  return (parsed && parsed.prerelease.length) ? parsed.prerelease : null;
}

exports.intersects = intersects;
function intersects(r1, r2, options) {
  r1 = new Range(r1, options);
  r2 = new Range(r2, options);
  return r1.intersects(r2)
}

exports.coerce = coerce;
function coerce(version) {
  if (version instanceof SemVer)
    { return version; }

  if (typeof version !== 'string')
    { return null; }

  var match = version.match(re[COERCE]);

  if (match == null)
    { return null; }

  return parse((match[1] || '0') + '.' + (match[2] || '0') + '.' + (match[3] || '0')); 
}
});
var semver_1 = semver.SEMVER_SPEC_VERSION;
var semver_2 = semver.re;
var semver_3 = semver.src;
var semver_4 = semver.parse;
var semver_5 = semver.valid;
var semver_6 = semver.clean;
var semver_7 = semver.SemVer;
var semver_8 = semver.inc;
var semver_9 = semver.diff;
var semver_10 = semver.compareIdentifiers;
var semver_11 = semver.rcompareIdentifiers;
var semver_12 = semver.major;
var semver_13 = semver.minor;
var semver_14 = semver.patch;
var semver_15 = semver.compare;
var semver_16 = semver.compareLoose;
var semver_17 = semver.rcompare;
var semver_18 = semver.sort;
var semver_19 = semver.rsort;
var semver_20 = semver.gt;
var semver_21 = semver.lt;
var semver_22 = semver.eq;
var semver_23 = semver.neq;
var semver_24 = semver.gte;
var semver_25 = semver.lte;
var semver_26 = semver.cmp;
var semver_27 = semver.Comparator;
var semver_28 = semver.Range;
var semver_29 = semver.toComparators;
var semver_30 = semver.satisfies;
var semver_31 = semver.maxSatisfying;
var semver_32 = semver.minSatisfying;
var semver_33 = semver.validRange;
var semver_34 = semver.ltr;
var semver_35 = semver.gtr;
var semver_36 = semver.outside;
var semver_37 = semver.prerelease;
var semver_38 = semver.intersects;
var semver_39 = semver.coerce;

// 

function throwError(msg) {
  throw new Error(("[vue-test-utils]: " + msg))
}

function warn(msg) {
  console.error(("[vue-test-utils]: " + msg));
}

var camelizeRE = /-(\w)/g;

var camelize = function (str) {
  var camelizedStr = str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; }
  );
  return camelizedStr.charAt(0).toLowerCase() + camelizedStr.slice(1)
};

/**
 * Capitalize a string.
 */
var capitalize = function (str) { return str.charAt(0).toUpperCase() + str.slice(1); };

/**
 * Hyphenate a camelCase string.
 */
var hyphenateRE = /\B([A-Z])/g;
var hyphenate = function (str) { return str.replace(hyphenateRE, '-$1').toLowerCase(); };

function hasOwnProperty(obj, prop) {
  return Object.prototype.hasOwnProperty.call(obj, prop)
}

function resolveComponent(id, components) {
  if (typeof id !== 'string') {
    return
  }
  // check local registration variations first
  if (hasOwnProperty(components, id)) {
    return components[id]
  }
  var camelizedId = camelize(id);
  if (hasOwnProperty(components, camelizedId)) {
    return components[camelizedId]
  }
  var PascalCaseId = capitalize(camelizedId);
  if (hasOwnProperty(components, PascalCaseId)) {
    return components[PascalCaseId]
  }
  // fallback to prototype chain
  return components[id] || components[camelizedId] || components[PascalCaseId]
}

var UA =
  typeof window !== 'undefined' &&
  'navigator' in window &&
  navigator.userAgent.toLowerCase();

var isPhantomJS = UA && UA.includes && UA.match(/phantomjs/i);

var isEdge = UA && UA.indexOf('edge/') > 0;
var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;

// get the event used to trigger v-model handler that updates bound data
function getCheckedEvent() {
  var version = Vue.version;

  if (semver.satisfies(version, '2.1.9 - 2.1.10')) {
    return 'click'
  }

  if (semver.satisfies(version, '2.2 - 2.4')) {
    return isChrome ? 'click' : 'change'
  }

  // change is handler for version 2.0 - 2.1.8, and 2.5+
  return 'change'
}

// 

function isDomSelector(selector) {
  if (typeof selector !== 'string') {
    return false
  }

  try {
    if (typeof document === 'undefined') {
      throwError(
        "mount must be run in a browser environment like " +
          "PhantomJS, jsdom or chrome"
      );
    }
  } catch (error) {
    throwError(
      "mount must be run in a browser environment like " +
        "PhantomJS, jsdom or chrome"
    );
  }

  try {
    document.querySelector(selector);
    return true
  } catch (error) {
    return false
  }
}

function isVueComponent(c) {
  if (isConstructor(c)) {
    return true
  }

  if (c === null || typeof c !== 'object') {
    return false
  }

  if (c.extends || c._Ctor) {
    return true
  }

  if (typeof c.template === 'string') {
    return true
  }

  return typeof c.render === 'function'
}

function componentNeedsCompiling(component) {
  return (
    component &&
    !component.render &&
    (component.template || component.extends || component.extendOptions) &&
    !component.functional
  )
}

function isRefSelector(refOptionsObject) {
  if (
    typeof refOptionsObject !== 'object' ||
    Object.keys(refOptionsObject || {}).length !== 1
  ) {
    return false
  }

  return typeof refOptionsObject.ref === 'string'
}

function isNameSelector(nameOptionsObject) {
  if (typeof nameOptionsObject !== 'object' || nameOptionsObject === null) {
    return false
  }

  return !!nameOptionsObject.name
}

function isConstructor(c) {
  return typeof c === 'function' && c.cid
}

function isDynamicComponent(c) {
  return typeof c === 'function' && !c.cid
}

function isComponentOptions(c) {
  return typeof c === 'object' && (c.template || c.render)
}

function isFunctionalComponent(c) {
  if (!isVueComponent(c)) {
    return false
  }
  if (isConstructor(c)) {
    return c.options.functional
  }
  return c.functional
}

function templateContainsComponent(
  template,
  name
) {
  return [capitalize, camelize, hyphenate].some(function (format) {
    var re = new RegExp(("<" + (format(name)) + "\\s*(\\s|>|(/>))"), 'g');
    return re.test(template)
  })
}

function isPlainObject(c) {
  return Object.prototype.toString.call(c) === '[object Object]'
}

function makeMap(str, expectsLowerCase) {
  var map = Object.create(null);
  var list = str.split(',');
  for (var i = 0; i < list.length; i++) {
    map[list[i]] = true;
  }
  return expectsLowerCase
    ? function(val) {
        return map[val.toLowerCase()]
      }
    : function(val) {
        return map[val]
      }
}

var isHTMLTag = makeMap(
  'html,body,base,head,link,meta,style,title,' +
    'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
    'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +
    'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
    's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,' +
    'embed,object,param,source,canvas,script,noscript,del,ins,' +
    'caption,col,colgroup,table,thead,tbody,td,th,tr,video,' +
    'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
    'output,progress,select,textarea,' +
    'details,dialog,menu,menuitem,summary,' +
    'content,element,shadow,template,blockquote,iframe,tfoot'
);

// this map is intentionally selective, only covering SVG elements that may
// contain child elements.
var isSVG = makeMap(
  'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +
    'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
    'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
  true
);

var isReservedTag = function (tag) { return isHTMLTag(tag) || isSVG(tag); };

var NAME_SELECTOR = 'NAME_SELECTOR';
var COMPONENT_SELECTOR = 'COMPONENT_SELECTOR';
var REF_SELECTOR = 'REF_SELECTOR';
var DOM_SELECTOR = 'DOM_SELECTOR';
var INVALID_SELECTOR = 'INVALID_SELECTOR';
var COMPAT_SYNC_MODE = 'COMPAT_SYNC_MODE';

var VUE_VERSION = Number(
  ((Vue.version.split('.')[0]) + "." + (Vue.version.split('.')[1]))
);

var FUNCTIONAL_OPTIONS =
  VUE_VERSION >= 2.5 ? 'fnOptions' : 'functionalOptions';

var BEFORE_RENDER_LIFECYCLE_HOOK = semver.gt(Vue.version, '2.1.8')
  ? 'beforeCreate'
  : 'beforeMount';

var CREATE_ELEMENT_ALIAS = semver.gt(Vue.version, '2.1.5')
  ? '_c'
  : '_h';

// 

function getSelectorType(selector) {
  if (isDomSelector(selector)) { return DOM_SELECTOR }
  if (isVueComponent(selector)) { return COMPONENT_SELECTOR }
  if (isNameSelector(selector)) { return NAME_SELECTOR }
  if (isRefSelector(selector)) { return REF_SELECTOR }

  return INVALID_SELECTOR
}

function getSelector(
  selector,
  methodName
) {
  var type = getSelectorType(selector);
  if (type === INVALID_SELECTOR) {
    throwError(
      "wrapper." + methodName + "() must be passed a valid CSS selector, Vue " +
        "constructor, or valid find option object"
    );
  }
  return {
    type: type,
    value: selector
  }
}

// 

function getRealChild(vnode) {
  var compOptions = vnode && vnode.componentOptions;
  if (compOptions && compOptions.Ctor.options.abstract) {
    return getRealChild(getFirstComponentChild(compOptions.children))
  } else {
    return vnode
  }
}

function isSameChild(child, oldChild) {
  return oldChild.key === child.key && oldChild.tag === child.tag
}

function getFirstComponentChild(children) {
  if (Array.isArray(children)) {
    for (var i = 0; i < children.length; i++) {
      var c = children[i];
      if (c && (c.componentOptions || isAsyncPlaceholder(c))) {
        return c
      }
    }
  }
}

function isPrimitive(value) {
  return (
    typeof value === 'string' ||
    typeof value === 'number' ||
    // $FlowIgnore
    typeof value === 'symbol' ||
    typeof value === 'boolean'
  )
}

function isAsyncPlaceholder(node) {
  return node.isComment && node.asyncFactory
}

function hasParentTransition(vnode) {
  while ((vnode = vnode.parent)) {
    if (vnode.data.transition) {
      return true
    }
  }
}

var TransitionStub = {
  render: function render(h) {
    var children = this.$options._renderChildren;
    if (!children) {
      return
    }

    // filter out text nodes (possible whitespaces)
    children = children.filter(function (c) { return c.tag || isAsyncPlaceholder(c); });
    /* istanbul ignore if */
    if (!children.length) {
      return
    }

    // warn multiple elements
    if (children.length > 1) {
      warn(
        "<transition> can only be used on a single element. " +
          "Use " +
          '<transition-group> for lists.'
      );
    }

    var mode = this.mode;

    // warn invalid mode
    if (mode && mode !== 'in-out' && mode !== 'out-in') {
      warn('invalid <transition> mode: ' + mode);
    }

    var rawChild = children[0];

    // if this is a component root node and the component's
    // parent container node also has transition, skip.
    if (hasParentTransition(this.$vnode)) {
      return rawChild
    }

    // apply transition data to child
    // use getRealChild() to ignore abstract components e.g. keep-alive
    var child = getRealChild(rawChild);

    if (!child) {
      return rawChild
    }

    var id = "__transition-" + (this._uid) + "-";
    child.key =
      child.key == null
        ? child.isComment
          ? id + 'comment'
          : id + child.tag
        : isPrimitive(child.key)
        ? String(child.key).indexOf(id) === 0
          ? child.key
          : id + child.key
        : child.key;

    var data = child.data || (child.data = {});
    var oldRawChild = this._vnode;
    var oldChild = getRealChild(oldRawChild);
    if (
      child.data.directives &&
      child.data.directives.some(function (d) { return d.name === 'show'; })
    ) {
      child.data.show = true;
    }

    // mark v-show
    // so that the transition module can hand over the control
    // to the directive
    if (
      child.data.directives &&
      child.data.directives.some(function (d) { return d.name === 'show'; })
    ) {
      child.data.show = true;
    }
    if (
      oldChild &&
      oldChild.data &&
      !isSameChild(child, oldChild) &&
      !isAsyncPlaceholder(oldChild) &&
      // #6687 component root is a comment node
      !(
        oldChild.componentInstance &&
        oldChild.componentInstance._vnode.isComment
      )
    ) {
      oldChild.data = Object.assign({}, data);
    }
    return rawChild
  }
}

// 

var TransitionGroupStub = {
  render: function render(h) {
    var tag = this.tag || this.$vnode.data.tag || 'span';
    var children = this.$slots.default || [];

    return h(tag, null, children)
  }
}

var config = {
  stubs: {
    transition: TransitionStub,
    'transition-group': TransitionGroupStub
  },
  mocks: {},
  methods: {},
  provide: {},
  logModifiedComponents: true,
  silent: true
}

// 

var WrapperArray = function WrapperArray(wrappers) {
  var length = wrappers.length;
  // $FlowIgnore
  Object.defineProperty(this, 'wrappers', {
    get: function () { return wrappers; },
    set: function () { return throwError('wrapperArray.wrappers is read-only'); }
  });
  // $FlowIgnore
  Object.defineProperty(this, 'length', {
    get: function () { return length; },
    set: function () { return throwError('wrapperArray.length is read-only'); }
  });
};

WrapperArray.prototype.at = function at (index) {
  if (index > this.length - 1) {
    throwError(("no item exists at " + index));
  }
  return this.wrappers[index]
};

WrapperArray.prototype.attributes = function attributes () {
  this.throwErrorIfWrappersIsEmpty('attributes');

  throwError(
    "attributes must be called on a single wrapper, use " +
      "at(i) to access a wrapper"
  );
};

WrapperArray.prototype.classes = function classes () {
  this.throwErrorIfWrappersIsEmpty('classes');

  throwError(
    "classes must be called on a single wrapper, use " +
      "at(i) to access a wrapper"
  );
};

WrapperArray.prototype.contains = function contains (selector) {
  this.throwErrorIfWrappersIsEmpty('contains');

  return this.wrappers.every(function (wrapper) { return wrapper.contains(selector); })
};

WrapperArray.prototype.exists = function exists () {
  return this.length > 0 && this.wrappers.every(function (wrapper) { return wrapper.exists(); })
};

WrapperArray.prototype.filter = function filter (predicate) {
  return new WrapperArray(this.wrappers.filter(predicate))
};

WrapperArray.prototype.emitted = function emitted () {
  this.throwErrorIfWrappersIsEmpty('emitted');

  throwError(
    "emitted must be called on a single wrapper, use " +
      "at(i) to access a wrapper"
  );
};

WrapperArray.prototype.emittedByOrder = function emittedByOrder () {
  this.throwErrorIfWrappersIsEmpty('emittedByOrder');

  throwError(
    "emittedByOrder must be called on a single wrapper, " +
      "use at(i) to access a wrapper"
  );
};

WrapperArray.prototype.findAll = function findAll () {
  this.throwErrorIfWrappersIsEmpty('findAll');

  throwError(
    "findAll must be called on a single wrapper, use " +
      "at(i) to access a wrapper"
  );
};

WrapperArray.prototype.find = function find () {
  this.throwErrorIfWrappersIsEmpty('find');

  throwError(
    "find must be called on a single wrapper, use at(i) " +
      "to access a wrapper"
  );
};

WrapperArray.prototype.html = function html () {
  this.throwErrorIfWrappersIsEmpty('html');

  throwError(
    "html must be called on a single wrapper, use at(i) " +
      "to access a wrapper"
  );
};

WrapperArray.prototype.is = function is (selector) {
  this.throwErrorIfWrappersIsEmpty('is');

  return this.wrappers.every(function (wrapper) { return wrapper.is(selector); })
};

WrapperArray.prototype.isEmpty = function isEmpty () {
  this.throwErrorIfWrappersIsEmpty('isEmpty');

  return this.wrappers.every(function (wrapper) { return wrapper.isEmpty(); })
};

WrapperArray.prototype.isVisible = function isVisible () {
  this.throwErrorIfWrappersIsEmpty('isVisible');

  return this.wrappers.every(function (wrapper) { return wrapper.isVisible(); })
};

WrapperArray.prototype.isVueInstance = function isVueInstance () {
  this.throwErrorIfWrappersIsEmpty('isVueInstance');

  return this.wrappers.every(function (wrapper) { return wrapper.isVueInstance(); })
};

WrapperArray.prototype.name = function name () {
  this.throwErrorIfWrappersIsEmpty('name');

  throwError(
    "name must be called on a single wrapper, use at(i) " +
      "to access a wrapper"
  );
};

WrapperArray.prototype.props = function props () {
  this.throwErrorIfWrappersIsEmpty('props');

  throwError(
    "props must be called on a single wrapper, use " +
      "at(i) to access a wrapper"
  );
};

WrapperArray.prototype.text = function text () {
  this.throwErrorIfWrappersIsEmpty('text');

  throwError(
    "text must be called on a single wrapper, use at(i) " +
      "to access a wrapper"
  );
};

WrapperArray.prototype.throwErrorIfWrappersIsEmpty = function throwErrorIfWrappersIsEmpty (method) {
  if (this.wrappers.length === 0) {
    throwError((method + " cannot be called on 0 items"));
  }
};

WrapperArray.prototype.setData = function setData (data) {
  this.throwErrorIfWrappersIsEmpty('setData');

  this.wrappers.forEach(function (wrapper) { return wrapper.setData(data); });
};

WrapperArray.prototype.setMethods = function setMethods (props) {
  this.throwErrorIfWrappersIsEmpty('setMethods');

  this.wrappers.forEach(function (wrapper) { return wrapper.setMethods(props); });
};

WrapperArray.prototype.setProps = function setProps (props) {
  this.throwErrorIfWrappersIsEmpty('setProps');

  this.wrappers.forEach(function (wrapper) { return wrapper.setProps(props); });
};

WrapperArray.prototype.setValue = function setValue (value) {
  this.throwErrorIfWrappersIsEmpty('setValue');

  this.wrappers.forEach(function (wrapper) { return wrapper.setValue(value); });
};

WrapperArray.prototype.setChecked = function setChecked (checked) {
    if ( checked === void 0 ) checked = true;

  this.throwErrorIfWrappersIsEmpty('setChecked');

  this.wrappers.forEach(function (wrapper) { return wrapper.setChecked(checked); });
};

WrapperArray.prototype.setSelected = function setSelected () {
  this.throwErrorIfWrappersIsEmpty('setSelected');

  throwError(
    "setSelected must be called on a single wrapper, " +
      "use at(i) to access a wrapper"
  );
};

WrapperArray.prototype.trigger = function trigger (event, options) {
  this.throwErrorIfWrappersIsEmpty('trigger');

  this.wrappers.forEach(function (wrapper) { return wrapper.trigger(event, options); });
};

WrapperArray.prototype.update = function update () {
  this.throwErrorIfWrappersIsEmpty('update');
  warn(
    "update has been removed. All changes are now " +
      "synchrnous without calling update"
  );
};

WrapperArray.prototype.destroy = function destroy () {
  this.throwErrorIfWrappersIsEmpty('destroy');

  this.wrappers.forEach(function (wrapper) { return wrapper.destroy(); });
};

// 

var ErrorWrapper = function ErrorWrapper(selector) {
  this.selector = selector;
};

ErrorWrapper.prototype.at = function at () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call at() on empty Wrapper")
  );
};

ErrorWrapper.prototype.attributes = function attributes () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call attributes() on empty Wrapper")
  );
};

ErrorWrapper.prototype.classes = function classes () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call classes() on empty Wrapper")
  );
};

ErrorWrapper.prototype.contains = function contains () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call contains() on empty Wrapper")
  );
};

ErrorWrapper.prototype.emitted = function emitted () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call emitted() on empty Wrapper")
  );
};

ErrorWrapper.prototype.emittedByOrder = function emittedByOrder () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call emittedByOrder() on empty Wrapper")
  );
};

ErrorWrapper.prototype.exists = function exists () {
  return false
};

ErrorWrapper.prototype.filter = function filter () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call filter() on empty Wrapper")
  );
};

ErrorWrapper.prototype.visible = function visible () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call visible() on empty Wrapper")
  );
};

ErrorWrapper.prototype.hasAttribute = function hasAttribute () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call hasAttribute() on empty Wrapper")
  );
};

ErrorWrapper.prototype.hasClass = function hasClass () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call hasClass() on empty Wrapper")
  );
};

ErrorWrapper.prototype.hasProp = function hasProp () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call hasProp() on empty Wrapper")
  );
};

ErrorWrapper.prototype.hasStyle = function hasStyle () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call hasStyle() on empty Wrapper")
  );
};

ErrorWrapper.prototype.findAll = function findAll () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call findAll() on empty Wrapper")
  );
};

ErrorWrapper.prototype.find = function find () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call find() on empty Wrapper")
  );
};

ErrorWrapper.prototype.html = function html () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call html() on empty Wrapper")
  );
};

ErrorWrapper.prototype.is = function is () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call is() on empty Wrapper")
  );
};

ErrorWrapper.prototype.isEmpty = function isEmpty () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call isEmpty() on empty Wrapper")
  );
};

ErrorWrapper.prototype.isVisible = function isVisible () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call isVisible() on empty Wrapper")
  );
};

ErrorWrapper.prototype.isVueInstance = function isVueInstance () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call isVueInstance() on empty Wrapper")
  );
};

ErrorWrapper.prototype.name = function name () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call name() on empty Wrapper")
  );
};

ErrorWrapper.prototype.props = function props () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call props() on empty Wrapper")
  );
};

ErrorWrapper.prototype.text = function text () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call text() on empty Wrapper")
  );
};

ErrorWrapper.prototype.setComputed = function setComputed () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call setComputed() on empty Wrapper")
  );
};

ErrorWrapper.prototype.setData = function setData () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call setData() on empty Wrapper")
  );
};

ErrorWrapper.prototype.setMethods = function setMethods () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call setMethods() on empty Wrapper")
  );
};

ErrorWrapper.prototype.setProps = function setProps () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call setProps() on empty Wrapper")
  );
};

ErrorWrapper.prototype.setValue = function setValue () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call setValue() on empty Wrapper")
  );
};

ErrorWrapper.prototype.setChecked = function setChecked () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call setChecked() on empty Wrapper")
  );
};

ErrorWrapper.prototype.setSelected = function setSelected () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call setSelected() on empty Wrapper")
  );
};

ErrorWrapper.prototype.trigger = function trigger () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call trigger() on empty Wrapper")
  );
};

ErrorWrapper.prototype.update = function update () {
  throwError(
    "update has been removed from vue-test-utils." +
      "All updates are now synchronous by default"
  );
};

ErrorWrapper.prototype.destroy = function destroy () {
  throwError(
    ("find did not return " + (this.selector) + ", cannot call destroy() on empty Wrapper")
  );
};

// 

function findDOMNodes(
  element,
  selector
) {
  var nodes = [];
  if (!element || !element.querySelectorAll || !element.matches) {
    return nodes
  }

  if (element.matches(selector)) {
    nodes.push(element);
  }
  // $FlowIgnore
  return nodes.concat([].slice.call(element.querySelectorAll(selector)))
}

function vmMatchesName(vm, name) {
  return (
    !!name && (vm.name === name || (vm.$options && vm.$options.name === name))
  )
}

function vmCtorMatches(vm, component) {
  if (
    (vm.$options && vm.$options.$_vueTestUtils_original === component) ||
    vm.$_vueTestUtils_original === component
  ) {
    return true
  }

  var Ctor = isConstructor(component)
    ? component.options._Ctor
    : component._Ctor;

  if (!Ctor) {
    return false
  }

  if (vm.constructor.extendOptions === component) {
    return true
  }

  if (component.functional) {
    return Object.keys(vm._Ctor || {}).some(function (c) {
      return component === vm._Ctor[c].extendOptions
    })
  }
}

function matches(node, selector) {
  if (selector.type === DOM_SELECTOR) {
    var element = node instanceof Element ? node : node.elm;
    return element && element.matches && element.matches(selector.value)
  }

  var isFunctionalSelector = isConstructor(selector.value)
    ? selector.value.options.functional
    : selector.value.functional;

  var componentInstance = isFunctionalSelector
    ? node[FUNCTIONAL_OPTIONS]
    : node.child;

  if (!componentInstance) {
    return false
  }

  if (selector.type === COMPONENT_SELECTOR) {
    if (vmCtorMatches(componentInstance, selector.value)) {
      return true
    }
  }

  // Fallback to name selector for COMPONENT_SELECTOR for Vue < 2.1
  var nameSelector = isConstructor(selector.value)
    ? selector.value.extendOptions.name
    : selector.value.name;
  return vmMatchesName(componentInstance, nameSelector)
}

// 

function findAllInstances(rootVm) {
  var instances = [rootVm];
  var i = 0;
  while (i < instances.length) {
    var vm = instances[i]
    ;(vm.$children || []).forEach(function (child) {
      instances.push(child);
    });
    i++;
  }
  return instances
}

function findAllVNodes(vnode, selector) {
  var matchingNodes = [];
  var nodes = [vnode];
  while (nodes.length) {
    var node = nodes.shift();
    if (node.children) {
      var children = [].concat( node.children ).reverse();
      children.forEach(function (n) {
        nodes.unshift(n);
      });
    }
    if (node.child) {
      nodes.unshift(node.child._vnode);
    }
    if (matches(node, selector)) {
      matchingNodes.push(node);
    }
  }

  return matchingNodes
}

function removeDuplicateNodes(vNodes) {
  var vNodeElms = vNodes.map(function (vNode) { return vNode.elm; });
  return vNodes.filter(function (vNode, index) { return index === vNodeElms.indexOf(vNode.elm); })
}

function find(
  root,
  vm,
  selector
) {
  if (root instanceof Element && selector.type !== DOM_SELECTOR) {
    throwError(
      "cannot find a Vue instance on a DOM node. The node " +
        "you are calling find on does not exist in the " +
        "VDom. Are you adding the node as innerHTML?"
    );
  }

  if (
    selector.type === COMPONENT_SELECTOR &&
    (selector.value.functional ||
      (selector.value.options && selector.value.options.functional)) &&
    VUE_VERSION < 2.3
  ) {
    throwError(
      "find for functional components is not supported " + "in Vue < 2.3"
    );
  }

  if (root instanceof Element) {
    return findDOMNodes(root, selector.value)
  }

  if (!root && selector.type !== DOM_SELECTOR) {
    throwError(
      "cannot find a Vue instance on a DOM node. The node " +
        "you are calling find on does not exist in the " +
        "VDom. Are you adding the node as innerHTML?"
    );
  }

  if (!vm && selector.type === REF_SELECTOR) {
    throwError("$ref selectors can only be used on Vue component " + "wrappers");
  }

  if (vm && vm.$refs && selector.value.ref in vm.$refs) {
    var refs = vm.$refs[selector.value.ref];
    return Array.isArray(refs) ? refs : [refs]
  }

  var nodes = findAllVNodes(root, selector);
  var dedupedNodes = removeDuplicateNodes(nodes);

  if (nodes.length > 0 || selector.type !== DOM_SELECTOR) {
    return dedupedNodes
  }

  // Fallback in case element exists in HTML, but not in vnode tree
  // (e.g. if innerHTML is set as a domProp)
  return findDOMNodes(root.elm, selector.value)
}

// 

function createWrapper(
  node,
  options
) {
  if ( options === void 0 ) options = {};

  var componentInstance = node.child;
  if (componentInstance) {
    return new VueWrapper(componentInstance, options)
  }
  return node instanceof Vue
    ? new VueWrapper(node, options)
    : new Wrapper(node, options)
}

// 

var i = 0;

function orderDeps(watcher) {
  watcher.deps.forEach(function (dep) {
    if (dep._sortedId === i) {
      return
    }
    dep._sortedId = i;
    dep.subs.forEach(orderDeps);
    dep.subs = dep.subs.sort(function (a, b) { return a.id - b.id; });
  });
}

function orderVmWatchers(vm) {
  if (vm._watchers) {
    vm._watchers.forEach(orderDeps);
  }

  if (vm._computedWatchers) {
    Object.keys(vm._computedWatchers).forEach(function (computedWatcher) {
      orderDeps(vm._computedWatchers[computedWatcher]);
    });
  }

  vm._watcher && orderDeps(vm._watcher);

  vm.$children.forEach(orderVmWatchers);
}

function orderWatchers(vm) {
  orderVmWatchers(vm);
  i++;
}

function recursivelySetData(vm, target, data) {
  Object.keys(data).forEach(function (key) {
    var val = data[key];
    var targetVal = target[key];

    if (isPlainObject(val) && isPlainObject(targetVal)) {
      recursivelySetData(vm, targetVal, val);
    } else {
      vm.$set(target, key, val);
    }
  });
}

var abort = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var afterprint = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var animationend = {"eventInterface":"AnimationEvent","bubbles":true,"cancelable":false};
var animationiteration = {"eventInterface":"AnimationEvent","bubbles":true,"cancelable":false};
var animationstart = {"eventInterface":"AnimationEvent","bubbles":true,"cancelable":false};
var appinstalled = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var audioprocess = {"eventInterface":"AudioProcessingEvent"};
var audioend = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var audiostart = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var beforeprint = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var beforeunload = {"eventInterface":"BeforeUnloadEvent","bubbles":false,"cancelable":true};
var beginEvent = {"eventInterface":"TimeEvent","bubbles":false,"cancelable":false};
var blur = {"eventInterface":"FocusEvent","bubbles":false,"cancelable":false};
var boundary = {"eventInterface":"SpeechSynthesisEvent","bubbles":false,"cancelable":false};
var cached = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var canplay = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var canplaythrough = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var change = {"eventInterface":"Event","bubbles":true,"cancelable":false};
var chargingchange = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var chargingtimechange = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var checking = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var click = {"eventInterface":"MouseEvent","bubbles":true,"cancelable":true};
var close = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var complete = {"eventInterface":"OfflineAudioCompletionEvent"};
var compositionend = {"eventInterface":"CompositionEvent","bubbles":true,"cancelable":true};
var compositionstart = {"eventInterface":"CompositionEvent","bubbles":true,"cancelable":true};
var compositionupdate = {"eventInterface":"CompositionEvent","bubbles":true,"cancelable":false};
var contextmenu = {"eventInterface":"MouseEvent","bubbles":true,"cancelable":true};
var copy = {"eventInterface":"ClipboardEvent"};
var cut = {"eventInterface":"ClipboardEvent","bubbles":true,"cancelable":true};
var dblclick = {"eventInterface":"MouseEvent","bubbles":true,"cancelable":true};
var devicechange = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var devicelight = {"eventInterface":"DeviceLightEvent","bubbles":false,"cancelable":false};
var devicemotion = {"eventInterface":"DeviceMotionEvent","bubbles":false,"cancelable":false};
var deviceorientation = {"eventInterface":"DeviceOrientationEvent","bubbles":false,"cancelable":false};
var deviceproximity = {"eventInterface":"DeviceProximityEvent","bubbles":false,"cancelable":false};
var dischargingtimechange = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var DOMActivate = {"eventInterface":"UIEvent","bubbles":true,"cancelable":true};
var DOMAttributeNameChanged = {"eventInterface":"MutationNameEvent","bubbles":true,"cancelable":true};
var DOMAttrModified = {"eventInterface":"MutationEvent","bubbles":true,"cancelable":true};
var DOMCharacterDataModified = {"eventInterface":"MutationEvent","bubbles":true,"cancelable":true};
var DOMContentLoaded = {"eventInterface":"Event","bubbles":true,"cancelable":true};
var DOMElementNameChanged = {"eventInterface":"MutationNameEvent","bubbles":true,"cancelable":true};
var DOMFocusIn = {"eventInterface":"FocusEvent","bubbles":true,"cancelable":true};
var DOMFocusOut = {"eventInterface":"FocusEvent","bubbles":true,"cancelable":true};
var DOMNodeInserted = {"eventInterface":"MutationEvent","bubbles":true,"cancelable":true};
var DOMNodeInsertedIntoDocument = {"eventInterface":"MutationEvent","bubbles":true,"cancelable":true};
var DOMNodeRemoved = {"eventInterface":"MutationEvent","bubbles":true,"cancelable":true};
var DOMNodeRemovedFromDocument = {"eventInterface":"MutationEvent","bubbles":true,"cancelable":true};
var DOMSubtreeModified = {"eventInterface":"MutationEvent"};
var downloading = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var drag = {"eventInterface":"DragEvent","bubbles":true,"cancelable":true};
var dragend = {"eventInterface":"DragEvent","bubbles":true,"cancelable":false};
var dragenter = {"eventInterface":"DragEvent","bubbles":true,"cancelable":true};
var dragleave = {"eventInterface":"DragEvent","bubbles":true,"cancelable":false};
var dragover = {"eventInterface":"DragEvent","bubbles":true,"cancelable":true};
var dragstart = {"eventInterface":"DragEvent","bubbles":true,"cancelable":true};
var drop = {"eventInterface":"DragEvent","bubbles":true,"cancelable":true};
var durationchange = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var emptied = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var end = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var ended = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var endEvent = {"eventInterface":"TimeEvent","bubbles":false,"cancelable":false};
var error = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var focus = {"eventInterface":"FocusEvent","bubbles":false,"cancelable":false};
var focusin = {"eventInterface":"FocusEvent","bubbles":true,"cancelable":false};
var focusout = {"eventInterface":"FocusEvent","bubbles":true,"cancelable":false};
var fullscreenchange = {"eventInterface":"Event","bubbles":true,"cancelable":false};
var fullscreenerror = {"eventInterface":"Event","bubbles":true,"cancelable":false};
var gamepadconnected = {"eventInterface":"GamepadEvent","bubbles":false,"cancelable":false};
var gamepaddisconnected = {"eventInterface":"GamepadEvent","bubbles":false,"cancelable":false};
var gotpointercapture = {"eventInterface":"PointerEvent","bubbles":false,"cancelable":false};
var hashchange = {"eventInterface":"HashChangeEvent","bubbles":true,"cancelable":false};
var lostpointercapture = {"eventInterface":"PointerEvent","bubbles":false,"cancelable":false};
var input = {"eventInterface":"Event","bubbles":true,"cancelable":false};
var invalid = {"eventInterface":"Event","cancelable":true,"bubbles":false};
var keydown = {"eventInterface":"KeyboardEvent","bubbles":true,"cancelable":true};
var keypress = {"eventInterface":"KeyboardEvent","bubbles":true,"cancelable":true};
var keyup = {"eventInterface":"KeyboardEvent","bubbles":true,"cancelable":true};
var languagechange = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var levelchange = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var load = {"eventInterface":"UIEvent","bubbles":false,"cancelable":false};
var loadeddata = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var loadedmetadata = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var loadend = {"eventInterface":"ProgressEvent","bubbles":false,"cancelable":false};
var loadstart = {"eventInterface":"ProgressEvent","bubbles":false,"cancelable":false};
var mark = {"eventInterface":"SpeechSynthesisEvent","bubbles":false,"cancelable":false};
var message = {"eventInterface":"MessageEvent","bubbles":false,"cancelable":false};
var messageerror = {"eventInterface":"MessageEvent","bubbles":false,"cancelable":false};
var mousedown = {"eventInterface":"MouseEvent","bubbles":true,"cancelable":true};
var mouseenter = {"eventInterface":"MouseEvent","bubbles":false,"cancelable":false};
var mouseleave = {"eventInterface":"MouseEvent","bubbles":false,"cancelable":false};
var mousemove = {"eventInterface":"MouseEvent","bubbles":true,"cancelable":true};
var mouseout = {"eventInterface":"MouseEvent","bubbles":true,"cancelable":true};
var mouseover = {"eventInterface":"MouseEvent","bubbles":true,"cancelable":true};
var mouseup = {"eventInterface":"MouseEvent","bubbles":true,"cancelable":true};
var nomatch = {"eventInterface":"SpeechRecognitionEvent","bubbles":false,"cancelable":false};
var notificationclick = {"eventInterface":"NotificationEvent","bubbles":false,"cancelable":false};
var noupdate = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var obsolete = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var offline = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var online = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var open = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var orientationchange = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var pagehide = {"eventInterface":"PageTransitionEvent","bubbles":false,"cancelable":false};
var pageshow = {"eventInterface":"PageTransitionEvent","bubbles":false,"cancelable":false};
var paste = {"eventInterface":"ClipboardEvent","bubbles":true,"cancelable":true};
var pause = {"eventInterface":"SpeechSynthesisEvent","bubbles":false,"cancelable":false};
var pointercancel = {"eventInterface":"PointerEvent","bubbles":true,"cancelable":false};
var pointerdown = {"eventInterface":"PointerEvent","bubbles":true,"cancelable":true};
var pointerenter = {"eventInterface":"PointerEvent","bubbles":false,"cancelable":false};
var pointerleave = {"eventInterface":"PointerEvent","bubbles":false,"cancelable":false};
var pointerlockchange = {"eventInterface":"Event","bubbles":true,"cancelable":false};
var pointerlockerror = {"eventInterface":"Event","bubbles":true,"cancelable":false};
var pointermove = {"eventInterface":"PointerEvent","bubbles":true,"cancelable":true};
var pointerout = {"eventInterface":"PointerEvent","bubbles":true,"cancelable":true};
var pointerover = {"eventInterface":"PointerEvent","bubbles":true,"cancelable":true};
var pointerup = {"eventInterface":"PointerEvent","bubbles":true,"cancelable":true};
var play = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var playing = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var popstate = {"eventInterface":"PopStateEvent","bubbles":true,"cancelable":false};
var progress = {"eventInterface":"ProgressEvent","bubbles":false,"cancelable":false};
var push = {"eventInterface":"PushEvent","bubbles":false,"cancelable":false};
var pushsubscriptionchange = {"eventInterface":"PushEvent","bubbles":false,"cancelable":false};
var ratechange = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var readystatechange = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var repeatEvent = {"eventInterface":"TimeEvent","bubbles":false,"cancelable":false};
var reset = {"eventInterface":"Event","bubbles":true,"cancelable":true};
var resize = {"eventInterface":"UIEvent","bubbles":false,"cancelable":false};
var resourcetimingbufferfull = {"eventInterface":"Performance","bubbles":true,"cancelable":true};
var result = {"eventInterface":"SpeechRecognitionEvent","bubbles":false,"cancelable":false};
var resume = {"eventInterface":"SpeechSynthesisEvent","bubbles":false,"cancelable":false};
var scroll = {"eventInterface":"UIEvent","bubbles":false,"cancelable":false};
var seeked = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var seeking = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var select = {"eventInterface":"UIEvent","bubbles":true,"cancelable":false};
var selectstart = {"eventInterface":"Event","bubbles":true,"cancelable":true};
var selectionchange = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var show = {"eventInterface":"MouseEvent","bubbles":false,"cancelable":false};
var slotchange = {"eventInterface":"Event","bubbles":true,"cancelable":false};
var soundend = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var soundstart = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var speechend = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var speechstart = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var stalled = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var start = {"eventInterface":"SpeechSynthesisEvent","bubbles":false,"cancelable":false};
var storage = {"eventInterface":"StorageEvent","bubbles":false,"cancelable":false};
var submit = {"eventInterface":"Event","bubbles":true,"cancelable":true};
var success = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var suspend = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var SVGAbort = {"eventInterface":"SVGEvent","bubbles":true,"cancelable":false};
var SVGError = {"eventInterface":"SVGEvent","bubbles":true,"cancelable":false};
var SVGLoad = {"eventInterface":"SVGEvent","bubbles":false,"cancelable":false};
var SVGResize = {"eventInterface":"SVGEvent","bubbles":true,"cancelable":false};
var SVGScroll = {"eventInterface":"SVGEvent","bubbles":true,"cancelable":false};
var SVGUnload = {"eventInterface":"SVGEvent","bubbles":false,"cancelable":false};
var SVGZoom = {"eventInterface":"SVGZoomEvent","bubbles":true,"cancelable":false};
var timeout = {"eventInterface":"ProgressEvent","bubbles":false,"cancelable":false};
var timeupdate = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var touchcancel = {"eventInterface":"TouchEvent","bubbles":true,"cancelable":false};
var touchend = {"eventInterface":"TouchEvent","bubbles":true,"cancelable":true};
var touchmove = {"eventInterface":"TouchEvent","bubbles":true,"cancelable":true};
var touchstart = {"eventInterface":"TouchEvent","bubbles":true,"cancelable":true};
var transitionend = {"eventInterface":"TransitionEvent","bubbles":true,"cancelable":true};
var unload = {"eventInterface":"UIEvent","bubbles":false};
var updateready = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var userproximity = {"eventInterface":"UserProximityEvent","bubbles":false,"cancelable":false};
var voiceschanged = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var visibilitychange = {"eventInterface":"Event","bubbles":true,"cancelable":false};
var volumechange = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var waiting = {"eventInterface":"Event","bubbles":false,"cancelable":false};
var wheel = {"eventInterface":"WheelEvent","bubbles":true,"cancelable":true};
var domEventTypes = {
	abort: abort,
	afterprint: afterprint,
	animationend: animationend,
	animationiteration: animationiteration,
	animationstart: animationstart,
	appinstalled: appinstalled,
	audioprocess: audioprocess,
	audioend: audioend,
	audiostart: audiostart,
	beforeprint: beforeprint,
	beforeunload: beforeunload,
	beginEvent: beginEvent,
	blur: blur,
	boundary: boundary,
	cached: cached,
	canplay: canplay,
	canplaythrough: canplaythrough,
	change: change,
	chargingchange: chargingchange,
	chargingtimechange: chargingtimechange,
	checking: checking,
	click: click,
	close: close,
	complete: complete,
	compositionend: compositionend,
	compositionstart: compositionstart,
	compositionupdate: compositionupdate,
	contextmenu: contextmenu,
	copy: copy,
	cut: cut,
	dblclick: dblclick,
	devicechange: devicechange,
	devicelight: devicelight,
	devicemotion: devicemotion,
	deviceorientation: deviceorientation,
	deviceproximity: deviceproximity,
	dischargingtimechange: dischargingtimechange,
	DOMActivate: DOMActivate,
	DOMAttributeNameChanged: DOMAttributeNameChanged,
	DOMAttrModified: DOMAttrModified,
	DOMCharacterDataModified: DOMCharacterDataModified,
	DOMContentLoaded: DOMContentLoaded,
	DOMElementNameChanged: DOMElementNameChanged,
	DOMFocusIn: DOMFocusIn,
	DOMFocusOut: DOMFocusOut,
	DOMNodeInserted: DOMNodeInserted,
	DOMNodeInsertedIntoDocument: DOMNodeInsertedIntoDocument,
	DOMNodeRemoved: DOMNodeRemoved,
	DOMNodeRemovedFromDocument: DOMNodeRemovedFromDocument,
	DOMSubtreeModified: DOMSubtreeModified,
	downloading: downloading,
	drag: drag,
	dragend: dragend,
	dragenter: dragenter,
	dragleave: dragleave,
	dragover: dragover,
	dragstart: dragstart,
	drop: drop,
	durationchange: durationchange,
	emptied: emptied,
	end: end,
	ended: ended,
	endEvent: endEvent,
	error: error,
	focus: focus,
	focusin: focusin,
	focusout: focusout,
	fullscreenchange: fullscreenchange,
	fullscreenerror: fullscreenerror,
	gamepadconnected: gamepadconnected,
	gamepaddisconnected: gamepaddisconnected,
	gotpointercapture: gotpointercapture,
	hashchange: hashchange,
	lostpointercapture: lostpointercapture,
	input: input,
	invalid: invalid,
	keydown: keydown,
	keypress: keypress,
	keyup: keyup,
	languagechange: languagechange,
	levelchange: levelchange,
	load: load,
	loadeddata: loadeddata,
	loadedmetadata: loadedmetadata,
	loadend: loadend,
	loadstart: loadstart,
	mark: mark,
	message: message,
	messageerror: messageerror,
	mousedown: mousedown,
	mouseenter: mouseenter,
	mouseleave: mouseleave,
	mousemove: mousemove,
	mouseout: mouseout,
	mouseover: mouseover,
	mouseup: mouseup,
	nomatch: nomatch,
	notificationclick: notificationclick,
	noupdate: noupdate,
	obsolete: obsolete,
	offline: offline,
	online: online,
	open: open,
	orientationchange: orientationchange,
	pagehide: pagehide,
	pageshow: pageshow,
	paste: paste,
	pause: pause,
	pointercancel: pointercancel,
	pointerdown: pointerdown,
	pointerenter: pointerenter,
	pointerleave: pointerleave,
	pointerlockchange: pointerlockchange,
	pointerlockerror: pointerlockerror,
	pointermove: pointermove,
	pointerout: pointerout,
	pointerover: pointerover,
	pointerup: pointerup,
	play: play,
	playing: playing,
	popstate: popstate,
	progress: progress,
	push: push,
	pushsubscriptionchange: pushsubscriptionchange,
	ratechange: ratechange,
	readystatechange: readystatechange,
	repeatEvent: repeatEvent,
	reset: reset,
	resize: resize,
	resourcetimingbufferfull: resourcetimingbufferfull,
	result: result,
	resume: resume,
	scroll: scroll,
	seeked: seeked,
	seeking: seeking,
	select: select,
	selectstart: selectstart,
	selectionchange: selectionchange,
	show: show,
	slotchange: slotchange,
	soundend: soundend,
	soundstart: soundstart,
	speechend: speechend,
	speechstart: speechstart,
	stalled: stalled,
	start: start,
	storage: storage,
	submit: submit,
	success: success,
	suspend: suspend,
	SVGAbort: SVGAbort,
	SVGError: SVGError,
	SVGLoad: SVGLoad,
	SVGResize: SVGResize,
	SVGScroll: SVGScroll,
	SVGUnload: SVGUnload,
	SVGZoom: SVGZoom,
	timeout: timeout,
	timeupdate: timeupdate,
	touchcancel: touchcancel,
	touchend: touchend,
	touchmove: touchmove,
	touchstart: touchstart,
	transitionend: transitionend,
	unload: unload,
	updateready: updateready,
	userproximity: userproximity,
	voiceschanged: voiceschanged,
	visibilitychange: visibilitychange,
	volumechange: volumechange,
	waiting: waiting,
	wheel: wheel
};

var domEventTypes$1 = Object.freeze({
	abort: abort,
	afterprint: afterprint,
	animationend: animationend,
	animationiteration: animationiteration,
	animationstart: animationstart,
	appinstalled: appinstalled,
	audioprocess: audioprocess,
	audioend: audioend,
	audiostart: audiostart,
	beforeprint: beforeprint,
	beforeunload: beforeunload,
	beginEvent: beginEvent,
	blur: blur,
	boundary: boundary,
	cached: cached,
	canplay: canplay,
	canplaythrough: canplaythrough,
	change: change,
	chargingchange: chargingchange,
	chargingtimechange: chargingtimechange,
	checking: checking,
	click: click,
	close: close,
	complete: complete,
	compositionend: compositionend,
	compositionstart: compositionstart,
	compositionupdate: compositionupdate,
	contextmenu: contextmenu,
	copy: copy,
	cut: cut,
	dblclick: dblclick,
	devicechange: devicechange,
	devicelight: devicelight,
	devicemotion: devicemotion,
	deviceorientation: deviceorientation,
	deviceproximity: deviceproximity,
	dischargingtimechange: dischargingtimechange,
	DOMActivate: DOMActivate,
	DOMAttributeNameChanged: DOMAttributeNameChanged,
	DOMAttrModified: DOMAttrModified,
	DOMCharacterDataModified: DOMCharacterDataModified,
	DOMContentLoaded: DOMContentLoaded,
	DOMElementNameChanged: DOMElementNameChanged,
	DOMFocusIn: DOMFocusIn,
	DOMFocusOut: DOMFocusOut,
	DOMNodeInserted: DOMNodeInserted,
	DOMNodeInsertedIntoDocument: DOMNodeInsertedIntoDocument,
	DOMNodeRemoved: DOMNodeRemoved,
	DOMNodeRemovedFromDocument: DOMNodeRemovedFromDocument,
	DOMSubtreeModified: DOMSubtreeModified,
	downloading: downloading,
	drag: drag,
	dragend: dragend,
	dragenter: dragenter,
	dragleave: dragleave,
	dragover: dragover,
	dragstart: dragstart,
	drop: drop,
	durationchange: durationchange,
	emptied: emptied,
	end: end,
	ended: ended,
	endEvent: endEvent,
	error: error,
	focus: focus,
	focusin: focusin,
	focusout: focusout,
	fullscreenchange: fullscreenchange,
	fullscreenerror: fullscreenerror,
	gamepadconnected: gamepadconnected,
	gamepaddisconnected: gamepaddisconnected,
	gotpointercapture: gotpointercapture,
	hashchange: hashchange,
	lostpointercapture: lostpointercapture,
	input: input,
	invalid: invalid,
	keydown: keydown,
	keypress: keypress,
	keyup: keyup,
	languagechange: languagechange,
	levelchange: levelchange,
	load: load,
	loadeddata: loadeddata,
	loadedmetadata: loadedmetadata,
	loadend: loadend,
	loadstart: loadstart,
	mark: mark,
	message: message,
	messageerror: messageerror,
	mousedown: mousedown,
	mouseenter: mouseenter,
	mouseleave: mouseleave,
	mousemove: mousemove,
	mouseout: mouseout,
	mouseover: mouseover,
	mouseup: mouseup,
	nomatch: nomatch,
	notificationclick: notificationclick,
	noupdate: noupdate,
	obsolete: obsolete,
	offline: offline,
	online: online,
	open: open,
	orientationchange: orientationchange,
	pagehide: pagehide,
	pageshow: pageshow,
	paste: paste,
	pause: pause,
	pointercancel: pointercancel,
	pointerdown: pointerdown,
	pointerenter: pointerenter,
	pointerleave: pointerleave,
	pointerlockchange: pointerlockchange,
	pointerlockerror: pointerlockerror,
	pointermove: pointermove,
	pointerout: pointerout,
	pointerover: pointerover,
	pointerup: pointerup,
	play: play,
	playing: playing,
	popstate: popstate,
	progress: progress,
	push: push,
	pushsubscriptionchange: pushsubscriptionchange,
	ratechange: ratechange,
	readystatechange: readystatechange,
	repeatEvent: repeatEvent,
	reset: reset,
	resize: resize,
	resourcetimingbufferfull: resourcetimingbufferfull,
	result: result,
	resume: resume,
	scroll: scroll,
	seeked: seeked,
	seeking: seeking,
	select: select,
	selectstart: selectstart,
	selectionchange: selectionchange,
	show: show,
	slotchange: slotchange,
	soundend: soundend,
	soundstart: soundstart,
	speechend: speechend,
	speechstart: speechstart,
	stalled: stalled,
	start: start,
	storage: storage,
	submit: submit,
	success: success,
	suspend: suspend,
	SVGAbort: SVGAbort,
	SVGError: SVGError,
	SVGLoad: SVGLoad,
	SVGResize: SVGResize,
	SVGScroll: SVGScroll,
	SVGUnload: SVGUnload,
	SVGZoom: SVGZoom,
	timeout: timeout,
	timeupdate: timeupdate,
	touchcancel: touchcancel,
	touchend: touchend,
	touchmove: touchmove,
	touchstart: touchstart,
	transitionend: transitionend,
	unload: unload,
	updateready: updateready,
	userproximity: userproximity,
	voiceschanged: voiceschanged,
	visibilitychange: visibilitychange,
	volumechange: volumechange,
	waiting: waiting,
	wheel: wheel,
	default: domEventTypes
});

var require$$0 = ( domEventTypes$1 && domEventTypes ) || domEventTypes$1;

var domEventTypes$2 = require$$0;

var defaultEventType = {
  eventInterface: 'Event',
  cancelable: true,
  bubbles: true
};

var modifiers = {
  enter: 13,
  tab: 9,
  delete: 46,
  esc: 27,
  space: 32,
  up: 38,
  down: 40,
  left: 37,
  right: 39,
  end: 35,
  home: 36,
  backspace: 8,
  insert: 45,
  pageup: 33,
  pagedown: 34
};

function createEvent(
  type,
  modifier,
  ref,
  options
) {
  var eventInterface = ref.eventInterface;
  var bubbles = ref.bubbles;
  var cancelable = ref.cancelable;

  var SupportedEventInterface =
    typeof window[eventInterface] === 'function'
      ? window[eventInterface]
      : window.Event;

  var event = new SupportedEventInterface(type, Object.assign({}, options,
    {bubbles: bubbles,
    cancelable: cancelable,
    keyCode: modifiers[modifier]}));

  return event
}

function createOldEvent(
  type,
  modifier,
  ref
) {
  var eventInterface = ref.eventInterface;
  var bubbles = ref.bubbles;
  var cancelable = ref.cancelable;

  var event = document.createEvent('Event');
  event.initEvent(type, bubbles, cancelable);
  event.keyCode = modifiers[modifier];
  return event
}

function createDOMEvent(type, options) {
  var ref = type.split('.');
  var eventType = ref[0];
  var modifier = ref[1];
  var meta = domEventTypes$2[eventType] || defaultEventType;

  // Fallback for IE10,11 - https://stackoverflow.com/questions/26596123
  var event =
    typeof window.Event === 'function'
      ? createEvent(eventType, modifier, meta, options)
      : createOldEvent(eventType, modifier, meta);

  var eventPrototype = Object.getPrototypeOf(event);
  Object.keys(options || {}).forEach(function (key) {
    var propertyDescriptor = Object.getOwnPropertyDescriptor(
      eventPrototype,
      key
    );

    var canSetProperty = !(
      propertyDescriptor && propertyDescriptor.setter === undefined
    );
    if (canSetProperty) {
      event[key] = options[key];
    }
  });

  return event
}

function errorHandler(errorOrString, vm) {
  var error =
    typeof errorOrString === 'object' ? errorOrString : new Error(errorOrString);

  vm._error = error;
  throw error
}

function throwIfInstancesThrew(vm) {
  var instancesWithError = findAllInstances(vm).filter(function (_vm) { return _vm._error; });

  if (instancesWithError.length > 0) {
    throw instancesWithError[0]._error
  }
}

var hasWarned = false;

// Vue swallows errors thrown by instances, even if the global error handler
// throws. In order to throw in the test, we add an _error property to an
// instance when it throws. Then we loop through the instances with
// throwIfInstancesThrew and throw an error in the test context if any
// instances threw.
function addGlobalErrorHandler(_Vue) {
  var existingErrorHandler = _Vue.config.errorHandler;

  if (existingErrorHandler === errorHandler) {
    return
  }

  if (_Vue.config.errorHandler && !hasWarned) {
    warn(
      "Global error handler detected (Vue.config.errorHandler). \n" +
        "Vue Test Utils sets a custom error handler to throw errors " +
        "thrown by instances. If you want this behavior in " +
        "your tests, you must remove the global error handler."
    );
    hasWarned = true;
  } else {
    _Vue.config.errorHandler = errorHandler;
  }
}

// 

var Wrapper = function Wrapper(
  node,
  options,
  isVueWrapper
) {
  var vnode = node instanceof Element ? null : node;
  var element = node instanceof Element ? node : node.elm;
  // Prevent redefine by VueWrapper
  if (!isVueWrapper) {
    // $FlowIgnore : issue with defineProperty
    Object.defineProperty(this, 'rootNode', {
      get: function () { return vnode || element; },
      set: function () { return throwError('wrapper.rootNode is read-only'); }
    });
    // $FlowIgnore
    Object.defineProperty(this, 'vnode', {
      get: function () { return vnode; },
      set: function () { return throwError('wrapper.vnode is read-only'); }
    });
    // $FlowIgnore
    Object.defineProperty(this, 'element', {
      get: function () { return element; },
      set: function () { return throwError('wrapper.element is read-only'); }
    });
    // $FlowIgnore
    Object.defineProperty(this, 'vm', {
      get: function () { return undefined; },
      set: function () { return throwError('wrapper.vm is read-only'); }
    });
  }
  var frozenOptions = Object.freeze(options);
  // $FlowIgnore
  Object.defineProperty(this, 'options', {
    get: function () { return frozenOptions; },
    set: function () { return throwError('wrapper.options is read-only'); }
  });
  if (
    this.vnode &&
    (this.vnode[FUNCTIONAL_OPTIONS] || this.vnode.functionalContext)
  ) {
    this.isFunctionalComponent = true;
  }
};

Wrapper.prototype.at = function at () {
  throwError('at() must be called on a WrapperArray');
};

/**
 * Returns an Object containing all the attribute/value pairs on the element.
 */
Wrapper.prototype.attributes = function attributes (key) {
  var attributes = this.element.attributes;
  var attributeMap = {};
  for (var i = 0; i < attributes.length; i++) {
    var att = attributes.item(i);
    attributeMap[att.localName] = att.value;
  }

  return key ? attributeMap[key] : attributeMap
};

/**
 * Returns an Array containing all the classes on the element
 */
Wrapper.prototype.classes = function classes (className) {
    var this$1 = this;

  var classAttribute = this.element.getAttribute('class');
  var classes = classAttribute ? classAttribute.split(' ') : [];
  // Handle converting cssmodules identifiers back to the original class name
  if (this.vm && this.vm.$style) {
    var cssModuleIdentifiers = Object.keys(this.vm.$style).reduce(
      function (acc, key) {
        // $FlowIgnore
        var moduleIdent = this$1.vm.$style[key];
        if (moduleIdent) {
          acc[moduleIdent.split(' ')[0]] = key;
        }
        return acc
      },
      {}
    );
    classes = classes.map(function (name) { return cssModuleIdentifiers[name] || name; });
  }

  return className ? !!(classes.indexOf(className) > -1) : classes
};

/**
 * Checks if wrapper contains provided selector.
 */
Wrapper.prototype.contains = function contains (rawSelector) {
  var selector = getSelector(rawSelector, 'contains');
  var nodes = find(this.rootNode, this.vm, selector);
  return nodes.length > 0
};

/**
 * Calls destroy on vm
 */
Wrapper.prototype.destroy = function destroy () {
  if (!this.isVueInstance()) {
    throwError("wrapper.destroy() can only be called on a Vue instance");
  }

  if (this.element.parentNode) {
    this.element.parentNode.removeChild(this.element);
  }
  // $FlowIgnore
  this.vm.$destroy();
  throwIfInstancesThrew(this.vm);
};

/**
 * Returns an object containing custom events emitted by the Wrapper vm
 */
Wrapper.prototype.emitted = function emitted (
  event
) {
  if (!this._emitted && !this.vm) {
    throwError("wrapper.emitted() can only be called on a Vue instance");
  }
  if (event) {
    return this._emitted[event]
  }
  return this._emitted
};

/**
 * Returns an Array containing custom events emitted by the Wrapper vm
 */
Wrapper.prototype.emittedByOrder = function emittedByOrder () {
  if (!this._emittedByOrder && !this.vm) {
    throwError(
      "wrapper.emittedByOrder() can only be called on a Vue instance"
    );
  }
  return this._emittedByOrder
};

/**
 * Utility to check wrapper exists. Returns true as Wrapper always exists
 */
Wrapper.prototype.exists = function exists () {
  if (this.vm) {
    return !!this.vm && !this.vm._isDestroyed
  }
  return true
};

Wrapper.prototype.filter = function filter () {
  throwError('filter() must be called on a WrapperArray');
};

/**
 * Finds first node in tree of the current wrapper that
 * matches the provided selector.
 */
Wrapper.prototype.find = function find$1 (rawSelector) {
  var selector = getSelector(rawSelector, 'find');
  var node = find(this.rootNode, this.vm, selector)[0];

  if (!node) {
    if (selector.type === REF_SELECTOR) {
      return new ErrorWrapper(("ref=\"" + (selector.value.ref) + "\""))
    }
    return new ErrorWrapper(
      typeof selector.value === 'string' ? selector.value : 'Component'
    )
  }

  return createWrapper(node, this.options)
};

/**
 * Finds node in tree of the current wrapper that matches
 * the provided selector.
 */
Wrapper.prototype.findAll = function findAll (rawSelector) {
    var this$1 = this;

  var selector = getSelector(rawSelector, 'findAll');
  var nodes = find(this.rootNode, this.vm, selector);
  var wrappers = nodes.map(function (node) {
    // Using CSS Selector, returns a VueWrapper instance if the root element
    // binds a Vue instance.
    return createWrapper(node, this$1.options)
  });
  return new WrapperArray(wrappers)
};

/**
 * Returns HTML of element as a string
 */
Wrapper.prototype.html = function html () {
  return this.element.outerHTML
};

/**
 * Checks if node matches selector
 */
Wrapper.prototype.is = function is (rawSelector) {
  var selector = getSelector(rawSelector, 'is');

  if (selector.type === REF_SELECTOR) {
    throwError('$ref selectors can not be used with wrapper.is()');
  }

  return matches(this.rootNode, selector)
};

/**
 * Checks if node is empty
 */
Wrapper.prototype.isEmpty = function isEmpty () {
  if (!this.vnode) {
    return this.element.innerHTML === ''
  }
  var nodes = [];
  var node = this.vnode;
  var i = 0;

  while (node) {
    if (node.child) {
      nodes.push(node.child._vnode);
    }
    node.children &&
      node.children.forEach(function (n) {
        nodes.push(n);
      });
    node = nodes[i++];
  }
  return nodes.every(function (n) { return n.isComment || n.child; })
};

/**
 * Checks if node is visible
 */
Wrapper.prototype.isVisible = function isVisible () {
  var element = this.element;
  while (element) {
    if (
      element.style &&
      (element.style.visibility === 'hidden' ||
        element.style.display === 'none')
    ) {
      return false
    }
    element = element.parentElement;
  }

  return true
};

/**
 * Checks if wrapper is a vue instance
 */
Wrapper.prototype.isVueInstance = function isVueInstance () {
  return !!this.vm
};

/**
 * Returns name of component, or tag name if node is not a Vue component
 */
Wrapper.prototype.name = function name () {
  if (this.vm) {
    return (
      this.vm.$options.name ||
      // compat for Vue < 2.3
      (this.vm.$options.extendOptions && this.vm.$options.extendOptions.name)
    )
  }

  if (!this.vnode) {
    return this.element.tagName
  }

  return this.vnode.tag
};

/**
 * Returns an Object containing the prop name/value pairs on the element
 */
Wrapper.prototype.props = function props (key) {
    var this$1 = this;

  if (this.isFunctionalComponent) {
    throwError(
      "wrapper.props() cannot be called on a mounted functional component."
    );
  }
  if (!this.vm) {
    throwError('wrapper.props() must be called on a Vue instance');
  }

  var props = {};
  var keys = this.vm && this.vm.$options._propKeys;

  if (keys) {
(keys || {}).forEach(function (key) {
      if (this$1.vm) {
        props[key] = this$1.vm[key];
      }
    });
  }

  if (key) {
    return props[key]
  }

  return props
};

/**
 * Checks radio button or checkbox element
 */
Wrapper.prototype.setChecked = function setChecked (checked) {
    if ( checked === void 0 ) checked = true;

  if (typeof checked !== 'boolean') {
    throwError('wrapper.setChecked() must be passed a boolean');
  }
  var tagName = this.element.tagName;
  // $FlowIgnore
  var type = this.attributes().type;
  var event = getCheckedEvent();

  if (tagName === 'INPUT' && type === 'checkbox') {
    if (this.element.checked === checked) {
      return
    }
    if (event !== 'click' || isPhantomJS) {
      // $FlowIgnore
      this.element.checked = checked;
    }
    this.trigger(event);
    return
  }

  if (tagName === 'INPUT' && type === 'radio') {
    if (!checked) {
      throwError(
        "wrapper.setChecked() cannot be called with parameter false on a " +
          "<input type=\"radio\" /> element."
      );
    }

    if (event !== 'click' || isPhantomJS) {
      // $FlowIgnore
      this.element.selected = true;
    }
    this.trigger(event);
    return
  }

  throwError("wrapper.setChecked() cannot be called on this element");
};

/**
 * Selects <option></option> element
 */
Wrapper.prototype.setSelected = function setSelected () {
  var tagName = this.element.tagName;

  if (tagName === 'SELECT') {
    throwError(
      "wrapper.setSelected() cannot be called on select. Call it on one of " +
        "its options"
    );
  }

  if (tagName === 'OPTION') {
    // $FlowIgnore
    this.element.selected = true;
    // $FlowIgnore
    var parentElement = this.element.parentElement;

    // $FlowIgnore
    if (parentElement.tagName === 'OPTGROUP') {
      // $FlowIgnore
      parentElement = parentElement.parentElement;
    }

    // $FlowIgnore
    createWrapper(parentElement, this.options).trigger('change');
    return
  }

  throwError("wrapper.setSelected() cannot be called on this element");
};

/**
 * Sets vm data
 */
Wrapper.prototype.setData = function setData (data) {
  if (this.isFunctionalComponent) {
    throwError("wrapper.setData() cannot be called on a functional component");
  }

  if (!this.vm) {
    throwError("wrapper.setData() can only be called on a Vue instance");
  }

  recursivelySetData(this.vm, this.vm, data);
};

/**
 * Sets vm methods
 */
Wrapper.prototype.setMethods = function setMethods (methods) {
    var this$1 = this;

  if (!this.isVueInstance()) {
    throwError("wrapper.setMethods() can only be called on a Vue instance");
  }
  Object.keys(methods).forEach(function (key) {
    // $FlowIgnore : Problem with possibly null this.vm
    this$1.vm[key] = methods[key];
    // $FlowIgnore : Problem with possibly null this.vm
    this$1.vm.$options.methods[key] = methods[key];
  });

  if (this.vnode) {
    var context = this.vnode.context;
    if (context.$options.render) { context._update(context._render()); }
  }
};

/**
 * Sets vm props
 */
Wrapper.prototype.setProps = function setProps (data) {
    var this$1 = this;

  var originalConfig = Vue.config.silent;
  Vue.config.silent = config.silent;
  if (this.isFunctionalComponent) {
    throwError(
      "wrapper.setProps() cannot be called on a functional component"
    );
  }
  if (!this.vm) {
    throwError("wrapper.setProps() can only be called on a Vue instance");
  }

  Object.keys(data).forEach(function (key) {
    if (
      typeof data[key] === 'object' &&
      data[key] !== null &&
      // $FlowIgnore : Problem with possibly null this.vm
      data[key] === this$1.vm[key]
    ) {
      throwError(
        "wrapper.setProps() called with the same object of the existing " +
          key + " property. You must call wrapper.setProps() with a new " +
          "object to trigger reactivity"
      );
    }
    if (
      !this$1.vm ||
      !this$1.vm.$options._propKeys ||
      !this$1.vm.$options._propKeys.some(function (prop) { return prop === key; })
    ) {
      if (VUE_VERSION > 2.3) {
        // $FlowIgnore : Problem with possibly null this.vm
        this$1.vm.$attrs[key] = data[key];
        return
      }
      throwError(
        "wrapper.setProps() called with " + key + " property which " +
          "is not defined on the component"
      );
    }

    if (this$1.vm && this$1.vm._props) {
      // Set actual props value
      this$1.vm._props[key] = data[key];
      // $FlowIgnore : Problem with possibly null this.vm
      this$1.vm[key] = data[key];
    } else {
      // $FlowIgnore : Problem with possibly null this.vm.$options
      this$1.vm.$options.propsData[key] = data[key];
      // $FlowIgnore : Problem with possibly null this.vm
      this$1.vm[key] = data[key];
      // $FlowIgnore : Need to call this twice to fix watcher bug in 2.0.x
      this$1.vm[key] = data[key];
    }
  });
  // $FlowIgnore : Problem with possibly null this.vm
  this.vm.$forceUpdate();
  if (this.options.sync === COMPAT_SYNC_MODE) {
    // $FlowIgnore : Problem with possibly null this.vm
    orderWatchers(this.vm || this.vnode.context.$root);
  }
  Vue.config.silent = originalConfig;
};

/**
 * Sets element value and triggers input event
 */
Wrapper.prototype.setValue = function setValue (value) {
  var tagName = this.element.tagName;
  // $FlowIgnore
  var type = this.attributes().type;

  if (tagName === 'OPTION') {
    throwError(
      "wrapper.setValue() cannot be called on an <option> element. Use " +
        "wrapper.setSelected() instead"
    );
  } else if (tagName === 'INPUT' && type === 'checkbox') {
    throwError(
      "wrapper.setValue() cannot be called on a <input type=\"checkbox\" /> " +
        "element. Use wrapper.setChecked() instead"
    );
  } else if (tagName === 'INPUT' && type === 'radio') {
    throwError(
      "wrapper.setValue() cannot be called on a <input type=\"radio\" /> " +
        "element. Use wrapper.setChecked() instead"
    );
  } else if (
    tagName === 'INPUT' ||
    tagName === 'TEXTAREA' ||
    tagName === 'SELECT'
  ) {
    var event = tagName === 'SELECT' ? 'change' : 'input';
    // $FlowIgnore
    this.element.value = value;
    this.trigger(event);
  } else {
    throwError("wrapper.setValue() cannot be called on this element");
  }
};

/**
 * Return text of wrapper element
 */
Wrapper.prototype.text = function text () {
  return this.element.textContent.trim()
};

/**
 * Dispatches a DOM event on wrapper
 */
Wrapper.prototype.trigger = function trigger (type, options) {
    if ( options === void 0 ) options = {};

  if (typeof type !== 'string') {
    throwError('wrapper.trigger() must be passed a string');
  }

  if (options.target) {
    throwError(
      "you cannot set the target value of an event. See the notes section " +
        "of the docs for more details—" +
        "https://vue-test-utils.vuejs.org/api/wrapper/trigger.html"
    );
  }

  // Don't fire event on a disabled element
  if (this.attributes().disabled) {
    return
  }

  var event = createDOMEvent(type, options);
  this.element.dispatchEvent(event);

  if (this.vnode && this.options.sync === COMPAT_SYNC_MODE) {
    orderWatchers(this.vm || this.vnode.context.$root);
  }
};

Wrapper.prototype.update = function update () {
  warn(
    "update has been removed from vue-test-utils. All updates are now " +
      "synchronous by default"
  );
};

// 

function setDepsSync(dep) {
  dep.subs.forEach(setWatcherSync);
}

function setWatcherSync(watcher) {
  if (watcher.sync === true) {
    return
  }
  watcher.sync = true;
  watcher.deps.forEach(setDepsSync);
}

function setWatchersToSync(vm) {
  if (vm._watchers) {
    vm._watchers.forEach(setWatcherSync);
  }

  if (vm._computedWatchers) {
    Object.keys(vm._computedWatchers).forEach(function (computedWatcher) {
      setWatcherSync(vm._computedWatchers[computedWatcher]);
    });
  }

  setWatcherSync(vm._watcher);

  vm.$children.forEach(setWatchersToSync);
  // preventing double registration
  if (!vm.$_vueTestUtils_updateInSetWatcherSync) {
    vm.$_vueTestUtils_updateInSetWatcherSync = vm._update;
    vm._update = function(vnode, hydrating) {
      var this$1 = this;

      this.$_vueTestUtils_updateInSetWatcherSync(vnode, hydrating);
      if (VUE_VERSION >= 2.1 && this._isMounted && this.$options.updated) {
        this.$options.updated.forEach(function (handler) {
          handler.call(this$1);
        });
      }
    };
  }
}

// 

var VueWrapper = (function (Wrapper$$1) {
  function VueWrapper(vm, options) {
    var this$1 = this;

    Wrapper$$1.call(this, vm._vnode, options, true);
    // $FlowIgnore : issue with defineProperty
    Object.defineProperty(this, 'rootNode', {
      get: function () { return vm.$vnode || { child: this$1.vm }; },
      set: function () { return throwError('wrapper.vnode is read-only'); }
    });
    // $FlowIgnore : issue with defineProperty
    Object.defineProperty(this, 'vnode', {
      get: function () { return vm._vnode; },
      set: function () { return throwError('wrapper.vnode is read-only'); }
    });
    // $FlowIgnore
    Object.defineProperty(this, 'element', {
      get: function () { return vm.$el; },
      set: function () { return throwError('wrapper.element is read-only'); }
    });
    // $FlowIgnore
    Object.defineProperty(this, 'vm', {
      get: function () { return vm; },
      set: function () { return throwError('wrapper.vm is read-only'); }
    });
    if (options.sync === COMPAT_SYNC_MODE) {
      setWatchersToSync(vm);
      orderWatchers(vm);
    }
    this.isFunctionalComponent = vm.$options._isFunctionalContainer;
    this._emitted = vm.__emitted;
    this._emittedByOrder = vm.__emittedByOrder;
  }

  if ( Wrapper$$1 ) VueWrapper.__proto__ = Wrapper$$1;
  VueWrapper.prototype = Object.create( Wrapper$$1 && Wrapper$$1.prototype );
  VueWrapper.prototype.constructor = VueWrapper;

  return VueWrapper;
}(Wrapper));

// 

function createVNodes(vm, slotValue, name) {
  var el = vueTemplateCompiler.compileToFunctions(
    ("<div><template slot=" + name + ">" + slotValue + "</template></div>")
  );
  var _staticRenderFns = vm._renderProxy.$options.staticRenderFns;
  var _staticTrees = vm._renderProxy._staticTrees;
  vm._renderProxy._staticTrees = [];
  vm._renderProxy.$options.staticRenderFns = el.staticRenderFns;
  var vnode = el.render.call(vm._renderProxy, vm.$createElement);
  vm._renderProxy.$options.staticRenderFns = _staticRenderFns;
  vm._renderProxy._staticTrees = _staticTrees;
  return vnode.children[0]
}

function createVNodesForSlot(
  vm,
  slotValue,
  name
) {
  if (typeof slotValue === 'string') {
    return createVNodes(vm, slotValue, name)
  }
  var vnode = vm.$createElement(slotValue)
  ;(vnode.data || (vnode.data = {})).slot = name;
  return vnode
}

function createSlotVNodes(
  vm,
  slots
) {
  return Object.keys(slots).reduce(function (acc, key) {
    var content = slots[key];
    if (Array.isArray(content)) {
      var nodes = content.map(function (slotDef) { return createVNodesForSlot(vm, slotDef, key); }
      );
      return acc.concat(nodes)
    }

    return acc.concat(createVNodesForSlot(vm, content, key))
  }, [])
}

// 

function addMocks(
  _Vue,
  mockedProperties
) {
  if ( mockedProperties === void 0 ) mockedProperties = {};

  if (mockedProperties === false) {
    return
  }
  Object.keys(mockedProperties).forEach(function (key) {
    try {
      // $FlowIgnore
      _Vue.prototype[key] = mockedProperties[key];
    } catch (e) {
      warn(
        "could not overwrite property " + key + ", this is " +
          "usually caused by a plugin that has added " +
          "the property as a read-only value"
      );
    }
    // $FlowIgnore
    Vue.util.defineReactive(_Vue, key, mockedProperties[key]);
  });
}

// 

function logEvents(
  vm,
  emitted,
  emittedByOrder
) {
  var emit = vm.$emit;
  vm.$emit = function (name) {
    var args = [], len = arguments.length - 1;
    while ( len-- > 0 ) args[ len ] = arguments[ len + 1 ];
(emitted[name] || (emitted[name] = [])).push(args);
    emittedByOrder.push({ name: name, args: args });
    return emit.call.apply(emit, [ vm, name ].concat( args ))
  };
}

function addEventLogger(_Vue) {
  _Vue.mixin({
    beforeCreate: function() {
      this.__emitted = Object.create(null);
      this.__emittedByOrder = [];
      logEvents(this, this.__emitted, this.__emittedByOrder);
    }
  });
}

function addStubs(_Vue, stubComponents) {
  var obj;

  function addStubComponentsMixin() {
    Object.assign(this.$options.components, stubComponents);
  }

  _Vue.mixin(( obj = {}, obj[BEFORE_RENDER_LIFECYCLE_HOOK] = addStubComponentsMixin, obj));
}

// 

function compileFromString(str) {
  if (!vueTemplateCompiler.compileToFunctions) {
    throwError(
      "vueTemplateCompiler is undefined, you must pass " +
        "precompiled components if vue-template-compiler is " +
        "undefined"
    );
  }
  return vueTemplateCompiler.compileToFunctions(str)
}

function compileTemplate(component) {
  if (component.template) {
    Object.assign(component, vueTemplateCompiler.compileToFunctions(component.template));
  }

  if (component.components) {
    Object.keys(component.components).forEach(function (c) {
      var cmp = component.components[c];
      if (!cmp.render) {
        compileTemplate(cmp);
      }
    });
  }

  if (component.extends) {
    compileTemplate(component.extends);
  }

  if (component.extendOptions && !component.options.render) {
    compileTemplate(component.options);
  }
}

function compileTemplateForSlots(slots) {
  Object.keys(slots).forEach(function (key) {
    var slot = Array.isArray(slots[key]) ? slots[key] : [slots[key]];
    slot.forEach(function (slotValue) {
      if (componentNeedsCompiling(slotValue)) {
        compileTemplate(slotValue);
      }
    });
  });
}

// 

var MOUNTING_OPTIONS = [
  'attachToDocument',
  'mocks',
  'slots',
  'localVue',
  'stubs',
  'context',
  'clone',
  'attrs',
  'listeners',
  'propsData',
  'sync',
  'shouldProxy'
];

function extractInstanceOptions(options) {
  var instanceOptions = Object.assign({}, options);
  MOUNTING_OPTIONS.forEach(function (mountingOption) {
    delete instanceOptions[mountingOption];
  });
  return instanceOptions
}

// 

function isDestructuringSlotScope(slotScope) {
  return slotScope[0] === '{' && slotScope[slotScope.length - 1] === '}'
}

function getVueTemplateCompilerHelpers(
  _Vue
) {
  // $FlowIgnore
  var vue = new _Vue();
  var helpers = {};
  var names = [
    '_c',
    '_o',
    '_n',
    '_s',
    '_l',
    '_t',
    '_q',
    '_i',
    '_m',
    '_f',
    '_k',
    '_b',
    '_v',
    '_e',
    '_u',
    '_g'
  ];
  names.forEach(function (name) {
    helpers[name] = vue._renderProxy[name];
  });
  helpers.$createElement = vue._renderProxy.$createElement;
  return helpers
}

function validateEnvironment() {
  if (VUE_VERSION < 2.1) {
    throwError("the scopedSlots option is only supported in vue@2.1+.");
  }
}

var slotScopeRe = /<[^>]+ slot-scope=\"(.+)\"/;

// Hide warning about <template> disallowed as root element
function customWarn(msg) {
  if (msg.indexOf('Cannot use <template> as component root element') === -1) {
    console.error(msg);
  }
}

function createScopedSlots(
  scopedSlotsOption,
  _Vue
) {
  var scopedSlots = {};
  if (!scopedSlotsOption) {
    return scopedSlots
  }
  validateEnvironment();
  var helpers = getVueTemplateCompilerHelpers(_Vue);
  var loop = function ( scopedSlotName ) {
    var slot = scopedSlotsOption[scopedSlotName];
    var isFn = typeof slot === 'function';
    // Type check to silence flow (can't use isFn)
    var renderFn =
      typeof slot === 'function'
        ? slot
        : vueTemplateCompiler.compileToFunctions(slot, { warn: customWarn }).render;

    var hasSlotScopeAttr = !isFn && slot.match(slotScopeRe);
    var slotScope = hasSlotScopeAttr && hasSlotScopeAttr[1];
    scopedSlots[scopedSlotName] = function(props) {
      var obj;

      var res;
      if (isFn) {
        res = renderFn.call(Object.assign({}, helpers), props);
      } else if (slotScope && !isDestructuringSlotScope(slotScope)) {
        res = renderFn.call(Object.assign({}, helpers, ( obj = {}, obj[slotScope] = props, obj)));
      } else if (slotScope && isDestructuringSlotScope(slotScope)) {
        res = renderFn.call(Object.assign({}, helpers, props));
      } else {
        res = renderFn.call(Object.assign({}, helpers, {props: props}));
      }
      // res is Array if <template> is a root element
      return Array.isArray(res) ? res[0] : res
    };
  };

  for (var scopedSlotName in scopedSlotsOption) loop( scopedSlotName );
  return scopedSlots
}

// 

function isVueComponentStub(comp) {
  return (comp && comp.template) || isVueComponent(comp)
}

function isValidStub(stub) {
  return (
    typeof stub === 'boolean' ||
    (!!stub && typeof stub === 'string') ||
    isVueComponentStub(stub)
  )
}

function resolveComponent$1(obj, component) {
  return (
    obj[component] ||
    obj[hyphenate(component)] ||
    obj[camelize(component)] ||
    obj[capitalize(camelize(component))] ||
    obj[capitalize(component)] ||
    {}
  )
}

function getCoreProperties(componentOptions) {
  return {
    attrs: componentOptions.attrs,
    name: componentOptions.name,
    props: componentOptions.props,
    on: componentOptions.on,
    key: componentOptions.key,
    ref: componentOptions.ref,
    domProps: componentOptions.domProps,
    class: componentOptions.class,
    staticClass: componentOptions.staticClass,
    staticStyle: componentOptions.staticStyle,
    style: componentOptions.style,
    normalizedStyle: componentOptions.normalizedStyle,
    nativeOn: componentOptions.nativeOn,
    functional: componentOptions.functional
  }
}

function createClassString(staticClass, dynamicClass) {
  if (staticClass && dynamicClass) {
    return staticClass + ' ' + dynamicClass
  }
  return staticClass || dynamicClass
}

function resolveOptions(component, _Vue) {
  if (isDynamicComponent(component)) {
    return {}
  }

  return isConstructor(component)
    ? component.options
    : _Vue.extend(component).options
}

function createStubFromComponent(
  originalComponent,
  name,
  _Vue
) {
  var componentOptions = resolveOptions(originalComponent, _Vue);
  var tagName = (name || 'anonymous') + "-stub";

  // ignoreElements does not exist in Vue 2.0.x
  if (Vue.config.ignoredElements) {
    Vue.config.ignoredElements.push(tagName);
  }

  return Object.assign({}, getCoreProperties(componentOptions),
    {$_vueTestUtils_original: originalComponent,
    $_doNotStubChildren: true,
    render: function render(h, context) {
      return h(
        tagName,
        {
          attrs: componentOptions.functional
            ? Object.assign({}, context.props,
                context.data.attrs,
                {class: createClassString(
                  context.data.staticClass,
                  context.data.class
                )})
            : Object.assign({}, this.$props)
        },
        context ? context.children : this.$options._renderChildren
      )
    }})
}

function createStubFromString(
  templateString,
  originalComponent,
  name,
  _Vue
) {
  if ( originalComponent === void 0 ) originalComponent = {};

  if (templateContainsComponent(templateString, name)) {
    throwError('options.stub cannot contain a circular reference');
  }
  var componentOptions = resolveOptions(originalComponent, _Vue);

  return Object.assign({}, getCoreProperties(componentOptions),
    {$_doNotStubChildren: true},
    compileFromString(templateString))
}

function validateStub(stub) {
  if (!isValidStub(stub)) {
    throwError("options.stub values must be passed a string or " + "component");
  }
}

function createStubsFromStubsObject(
  originalComponents,
  stubs,
  _Vue
) {
  if ( originalComponents === void 0 ) originalComponents = {};

  return Object.keys(stubs || {}).reduce(function (acc, stubName) {
    var stub = stubs[stubName];

    validateStub(stub);

    if (stub === false) {
      return acc
    }

    if (stub === true) {
      var component = resolveComponent$1(originalComponents, stubName);
      acc[stubName] = createStubFromComponent(component, stubName, _Vue);
      return acc
    }

    if (typeof stub === 'string') {
      var component$1 = resolveComponent$1(originalComponents, stubName);
      acc[stubName] = createStubFromString(stub, component$1, stubName, _Vue);
      return acc
    }

    if (componentNeedsCompiling(stub)) {
      compileTemplate(stub);
    }

    acc[stubName] = stub;

    return acc
  }, {})
}

var isWhitelisted = function (el, whitelist) { return resolveComponent(el, whitelist); };
var isAlreadyStubbed = function (el, stubs) { return stubs.has(el); };

function shouldExtend(component, _Vue) {
  return isConstructor(component) || (component && component.extends)
}

function extend(component, _Vue) {
  var componentOptions = component.options ? component.options : component;
  var stub = _Vue.extend(componentOptions);
  stub.options.$_vueTestUtils_original = component;
  stub.options._base = _Vue;
  return stub
}

function createStubIfNeeded(shouldStub, component, _Vue, el) {
  if (shouldStub) {
    return createStubFromComponent(component || {}, el, _Vue)
  }

  if (shouldExtend(component, _Vue)) {
    return extend(component, _Vue)
  }
}

function shouldNotBeStubbed(el, whitelist, modifiedComponents) {
  return (
    (typeof el === 'string' && isReservedTag(el)) ||
    isWhitelisted(el, whitelist) ||
    isAlreadyStubbed(el, modifiedComponents)
  )
}

function patchCreateElement(_Vue, stubs, stubAllComponents) {
  var obj;

  // This mixin patches vm.$createElement so that we can stub all components
  // before they are rendered in shallow mode. We also need to ensure that
  // component constructors were created from the _Vue constructor. If not,
  // we must replace them with components created from the _Vue constructor
  // before calling the original $createElement. This ensures that components
  // have the correct instance properties and stubs when they are rendered.
  function patchCreateElementMixin() {
    var vm = this;

    if (vm.$options.$_doNotStubChildren || vm.$options._isFunctionalContainer) {
      return
    }

    var modifiedComponents = new Set();
    var originalCreateElement = vm.$createElement;
    var originalComponents = vm.$options.components;

    var createElement = function (el) {
      var obj;

      var args = [], len = arguments.length - 1;
      while ( len-- > 0 ) args[ len ] = arguments[ len + 1 ];
      if (shouldNotBeStubbed(el, stubs, modifiedComponents)) {
        return originalCreateElement.apply(void 0, [ el ].concat( args ))
      }

      if (isConstructor(el) || isComponentOptions(el)) {
        if (stubAllComponents) {
          var stub = createStubFromComponent(el, el.name || 'anonymous', _Vue);
          return originalCreateElement.apply(void 0, [ stub ].concat( args ))
        }
        var Constructor = shouldExtend(el, _Vue) ? extend(el, _Vue) : el;

        return originalCreateElement.apply(void 0, [ Constructor ].concat( args ))
      }

      if (typeof el === 'string') {
        var original = resolveComponent(el, originalComponents);

        if (!original) {
          return originalCreateElement.apply(void 0, [ el ].concat( args ))
        }

        if (isDynamicComponent(original)) {
          return originalCreateElement.apply(void 0, [ el ].concat( args ))
        }

        var stub$1 = createStubIfNeeded(stubAllComponents, original, _Vue, el);

        if (stub$1) {
          Object.assign(vm.$options.components, ( obj = {}, obj[el] = stub$1, obj));
          modifiedComponents.add(el);
        }
      }

      return originalCreateElement.apply(void 0, [ el ].concat( args ))
    };

    vm[CREATE_ELEMENT_ALIAS] = createElement;
    vm.$createElement = createElement;
  }

  _Vue.mixin(( obj = {}, obj[BEFORE_RENDER_LIFECYCLE_HOOK] = patchCreateElementMixin, obj));
}

// 

function createContext(options, scopedSlots) {
  var on = Object.assign({}, (options.context && options.context.on),
    options.listeners);
  return Object.assign({}, {attrs: Object.assign({}, options.attrs,
      // pass as attrs so that inheritAttrs works correctly
      // propsData should take precedence over attrs
      options.propsData)},
    (options.context || {}),
    {on: on,
    scopedSlots: scopedSlots})
}

function createChildren(vm, h, ref) {
  var slots = ref.slots;
  var context = ref.context;

  var slotVNodes = slots ? createSlotVNodes(vm, slots) : undefined;
  return (
    (context &&
      context.children &&
      context.children.map(function (x) { return (typeof x === 'function' ? x(h) : x); })) ||
    slotVNodes
  )
}

function createInstance(
  component,
  options,
  _Vue
) {
  var componentOptions = isConstructor(component)
    ? component.options
    : component;

  // instance options are options that are passed to the
  // root instance when it's instantiated
  var instanceOptions = extractInstanceOptions(options);

  var stubComponentsObject = createStubsFromStubsObject(
    componentOptions.components,
    // $FlowIgnore
    options.stubs,
    _Vue
  );

  addEventLogger(_Vue);
  addMocks(_Vue, options.mocks);
  addStubs(_Vue, stubComponentsObject);
  patchCreateElement(_Vue, stubComponentsObject, options.shouldProxy);

  if (componentNeedsCompiling(componentOptions)) {
    compileTemplate(componentOptions);
  }

  // used to identify extended component using constructor
  componentOptions.$_vueTestUtils_original = component;

  // make sure all extends are based on this instance

  var Constructor = _Vue.extend(componentOptions).extend(instanceOptions);

  Constructor.options._base = _Vue;

  var scopedSlots = createScopedSlots(options.scopedSlots, _Vue);

  var parentComponentOptions = options.parentComponent || {};

  parentComponentOptions.provide = options.provide;
  parentComponentOptions.$_doNotStubChildren = true;
  parentComponentOptions._isFunctionalContainer = componentOptions.functional;
  parentComponentOptions.render = function(h) {
    return h(
      Constructor,
      createContext(options, scopedSlots),
      createChildren(this, h, options)
    )
  };
  var Parent = _Vue.extend(parentComponentOptions);

  return new Parent()
}

// 

function createElement() {
  if (document) {
    var elem = document.createElement('div');

    if (document.body) {
      document.body.appendChild(elem);
    }
    return elem
  }
}

function normalizeStubs(stubs) {
  if ( stubs === void 0 ) stubs = {};

  if (stubs === false) {
    return false
  }
  if (isPlainObject(stubs)) {
    return stubs
  }
  if (Array.isArray(stubs)) {
    return stubs.reduce(function (acc, stub) {
      if (typeof stub !== 'string') {
        throwError('each item in an options.stubs array must be a string');
      }
      acc[stub] = true;
      return acc
    }, {})
  }
  throwError('options.stubs must be an object or an Array');
}

function normalizeProvide(provide) {
  // Objects are not resolved in extended components in Vue < 2.5
  // https://github.com/vuejs/vue/issues/6436
  if (typeof provide === 'object' && VUE_VERSION < 2.5) {
    var obj = Object.assign({}, provide);
    return function () { return obj; }
  }
  return provide
}

// 

function getOption(option, config) {
  if (option === false) {
    return false
  }
  if (option || (config && Object.keys(config).length > 0)) {
    if (option instanceof Function) {
      return option
    }
    if (config instanceof Function) {
      throw new Error("Config can't be a Function.")
    }
    return Object.assign({}, config,
      option)
  }
}

function mergeOptions(options, config) {
  var mocks = (getOption(options.mocks, config.mocks));
  var methods = (getOption(options.methods, config.methods));
  var provide = (getOption(options.provide, config.provide));
  return Object.assign({}, options,
    {provide: normalizeProvide(provide),
    stubs: getOption(normalizeStubs(options.stubs), config.stubs),
    mocks: mocks,
    methods: methods,
    sync: !!(options.sync || options.sync === undefined)})
}

// 

function warnIfNoWindow() {
  if (typeof window === 'undefined') {
    throwError(
      "window is undefined, vue-test-utils needs to be " +
        "run in a browser environment. \n" +
        "You can run the tests in node using jsdom \n" +
        "See https://vue-test-utils.vuejs.org/guides/#browser-environment " +
        "for more details."
    );
  }
}

/**
 * Removes all key-value entries from the list cache.
 *
 * @private
 * @name clear
 * @memberOf ListCache
 */
function listCacheClear() {
  this.__data__ = [];
  this.size = 0;
}

var _listCacheClear = listCacheClear;

/**
 * Performs a
 * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
 * comparison between two values to determine if they are equivalent.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to compare.
 * @param {*} other The other value to compare.
 * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
 * @example
 *
 * var object = { 'a': 1 };
 * var other = { 'a': 1 };
 *
 * _.eq(object, object);
 * // => true
 *
 * _.eq(object, other);
 * // => false
 *
 * _.eq('a', 'a');
 * // => true
 *
 * _.eq('a', Object('a'));
 * // => false
 *
 * _.eq(NaN, NaN);
 * // => true
 */
function eq(value, other) {
  return value === other || (value !== value && other !== other);
}

var eq_1 = eq;

/**
 * Gets the index at which the `key` is found in `array` of key-value pairs.
 *
 * @private
 * @param {Array} array The array to inspect.
 * @param {*} key The key to search for.
 * @returns {number} Returns the index of the matched value, else `-1`.
 */
function assocIndexOf(array, key) {
  var length = array.length;
  while (length--) {
    if (eq_1(array[length][0], key)) {
      return length;
    }
  }
  return -1;
}

var _assocIndexOf = assocIndexOf;

/** Used for built-in method references. */
var arrayProto = Array.prototype;

/** Built-in value references. */
var splice = arrayProto.splice;

/**
 * Removes `key` and its value from the list cache.
 *
 * @private
 * @name delete
 * @memberOf ListCache
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function listCacheDelete(key) {
  var data = this.__data__,
      index = _assocIndexOf(data, key);

  if (index < 0) {
    return false;
  }
  var lastIndex = data.length - 1;
  if (index == lastIndex) {
    data.pop();
  } else {
    splice.call(data, index, 1);
  }
  --this.size;
  return true;
}

var _listCacheDelete = listCacheDelete;

/**
 * Gets the list cache value for `key`.
 *
 * @private
 * @name get
 * @memberOf ListCache
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function listCacheGet(key) {
  var data = this.__data__,
      index = _assocIndexOf(data, key);

  return index < 0 ? undefined : data[index][1];
}

var _listCacheGet = listCacheGet;

/**
 * Checks if a list cache value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf ListCache
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function listCacheHas(key) {
  return _assocIndexOf(this.__data__, key) > -1;
}

var _listCacheHas = listCacheHas;

/**
 * Sets the list cache `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf ListCache
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the list cache instance.
 */
function listCacheSet(key, value) {
  var data = this.__data__,
      index = _assocIndexOf(data, key);

  if (index < 0) {
    ++this.size;
    data.push([key, value]);
  } else {
    data[index][1] = value;
  }
  return this;
}

var _listCacheSet = listCacheSet;

/**
 * Creates an list cache object.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function ListCache(entries) {
  var this$1 = this;

  var index = -1,
      length = entries == null ? 0 : entries.length;

  this.clear();
  while (++index < length) {
    var entry = entries[index];
    this$1.set(entry[0], entry[1]);
  }
}

// Add methods to `ListCache`.
ListCache.prototype.clear = _listCacheClear;
ListCache.prototype['delete'] = _listCacheDelete;
ListCache.prototype.get = _listCacheGet;
ListCache.prototype.has = _listCacheHas;
ListCache.prototype.set = _listCacheSet;

var _ListCache = ListCache;

/**
 * Removes all key-value entries from the stack.
 *
 * @private
 * @name clear
 * @memberOf Stack
 */
function stackClear() {
  this.__data__ = new _ListCache;
  this.size = 0;
}

var _stackClear = stackClear;

/**
 * Removes `key` and its value from the stack.
 *
 * @private
 * @name delete
 * @memberOf Stack
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function stackDelete(key) {
  var data = this.__data__,
      result = data['delete'](key);

  this.size = data.size;
  return result;
}

var _stackDelete = stackDelete;

/**
 * Gets the stack value for `key`.
 *
 * @private
 * @name get
 * @memberOf Stack
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function stackGet(key) {
  return this.__data__.get(key);
}

var _stackGet = stackGet;

/**
 * Checks if a stack value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf Stack
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function stackHas(key) {
  return this.__data__.has(key);
}

var _stackHas = stackHas;

/** Detect free variable `global` from Node.js. */
var freeGlobal = typeof commonjsGlobal == 'object' && commonjsGlobal && commonjsGlobal.Object === Object && commonjsGlobal;

var _freeGlobal = freeGlobal;

/** Detect free variable `self`. */
var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

/** Used as a reference to the global object. */
var root = _freeGlobal || freeSelf || Function('return this')();

var _root = root;

/** Built-in value references. */
var Symbol = _root.Symbol;

var _Symbol = Symbol;

/** Used for built-in method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty$1 = objectProto.hasOwnProperty;

/**
 * Used to resolve the
 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
 * of values.
 */
var nativeObjectToString = objectProto.toString;

/** Built-in value references. */
var symToStringTag = _Symbol ? _Symbol.toStringTag : undefined;

/**
 * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the raw `toStringTag`.
 */
function getRawTag(value) {
  var isOwn = hasOwnProperty$1.call(value, symToStringTag),
      tag = value[symToStringTag];

  try {
    value[symToStringTag] = undefined;
    var unmasked = true;
  } catch (e) {}

  var result = nativeObjectToString.call(value);
  if (unmasked) {
    if (isOwn) {
      value[symToStringTag] = tag;
    } else {
      delete value[symToStringTag];
    }
  }
  return result;
}

var _getRawTag = getRawTag;

/** Used for built-in method references. */
var objectProto$1 = Object.prototype;

/**
 * Used to resolve the
 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
 * of values.
 */
var nativeObjectToString$1 = objectProto$1.toString;

/**
 * Converts `value` to a string using `Object.prototype.toString`.
 *
 * @private
 * @param {*} value The value to convert.
 * @returns {string} Returns the converted string.
 */
function objectToString(value) {
  return nativeObjectToString$1.call(value);
}

var _objectToString = objectToString;

/** `Object#toString` result references. */
var nullTag = '[object Null]',
    undefinedTag = '[object Undefined]';

/** Built-in value references. */
var symToStringTag$1 = _Symbol ? _Symbol.toStringTag : undefined;

/**
 * The base implementation of `getTag` without fallbacks for buggy environments.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the `toStringTag`.
 */
function baseGetTag(value) {
  if (value == null) {
    return value === undefined ? undefinedTag : nullTag;
  }
  return (symToStringTag$1 && symToStringTag$1 in Object(value))
    ? _getRawTag(value)
    : _objectToString(value);
}

var _baseGetTag = baseGetTag;

/**
 * Checks if `value` is the
 * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
 * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
 * @example
 *
 * _.isObject({});
 * // => true
 *
 * _.isObject([1, 2, 3]);
 * // => true
 *
 * _.isObject(_.noop);
 * // => true
 *
 * _.isObject(null);
 * // => false
 */
function isObject(value) {
  var type = typeof value;
  return value != null && (type == 'object' || type == 'function');
}

var isObject_1 = isObject;

/** `Object#toString` result references. */
var asyncTag = '[object AsyncFunction]',
    funcTag = '[object Function]',
    genTag = '[object GeneratorFunction]',
    proxyTag = '[object Proxy]';

/**
 * Checks if `value` is classified as a `Function` object.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a function, else `false`.
 * @example
 *
 * _.isFunction(_);
 * // => true
 *
 * _.isFunction(/abc/);
 * // => false
 */
function isFunction(value) {
  if (!isObject_1(value)) {
    return false;
  }
  // The use of `Object#toString` avoids issues with the `typeof` operator
  // in Safari 9 which returns 'object' for typed arrays and other constructors.
  var tag = _baseGetTag(value);
  return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
}

var isFunction_1 = isFunction;

/** Used to detect overreaching core-js shims. */
var coreJsData = _root['__core-js_shared__'];

var _coreJsData = coreJsData;

/** Used to detect methods masquerading as native. */
var maskSrcKey = (function() {
  var uid = /[^.]+$/.exec(_coreJsData && _coreJsData.keys && _coreJsData.keys.IE_PROTO || '');
  return uid ? ('Symbol(src)_1.' + uid) : '';
}());

/**
 * Checks if `func` has its source masked.
 *
 * @private
 * @param {Function} func The function to check.
 * @returns {boolean} Returns `true` if `func` is masked, else `false`.
 */
function isMasked(func) {
  return !!maskSrcKey && (maskSrcKey in func);
}

var _isMasked = isMasked;

/** Used for built-in method references. */
var funcProto = Function.prototype;

/** Used to resolve the decompiled source of functions. */
var funcToString = funcProto.toString;

/**
 * Converts `func` to its source code.
 *
 * @private
 * @param {Function} func The function to convert.
 * @returns {string} Returns the source code.
 */
function toSource(func) {
  if (func != null) {
    try {
      return funcToString.call(func);
    } catch (e) {}
    try {
      return (func + '');
    } catch (e) {}
  }
  return '';
}

var _toSource = toSource;

/**
 * Used to match `RegExp`
 * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
 */
var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;

/** Used to detect host constructors (Safari). */
var reIsHostCtor = /^\[object .+?Constructor\]$/;

/** Used for built-in method references. */
var funcProto$1 = Function.prototype,
    objectProto$2 = Object.prototype;

/** Used to resolve the decompiled source of functions. */
var funcToString$1 = funcProto$1.toString;

/** Used to check objects for own properties. */
var hasOwnProperty$2 = objectProto$2.hasOwnProperty;

/** Used to detect if a method is native. */
var reIsNative = RegExp('^' +
  funcToString$1.call(hasOwnProperty$2).replace(reRegExpChar, '\\$&')
  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
);

/**
 * The base implementation of `_.isNative` without bad shim checks.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a native function,
 *  else `false`.
 */
function baseIsNative(value) {
  if (!isObject_1(value) || _isMasked(value)) {
    return false;
  }
  var pattern = isFunction_1(value) ? reIsNative : reIsHostCtor;
  return pattern.test(_toSource(value));
}

var _baseIsNative = baseIsNative;

/**
 * Gets the value at `key` of `object`.
 *
 * @private
 * @param {Object} [object] The object to query.
 * @param {string} key The key of the property to get.
 * @returns {*} Returns the property value.
 */
function getValue(object, key) {
  return object == null ? undefined : object[key];
}

var _getValue = getValue;

/**
 * Gets the native function at `key` of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @param {string} key The key of the method to get.
 * @returns {*} Returns the function if it's native, else `undefined`.
 */
function getNative(object, key) {
  var value = _getValue(object, key);
  return _baseIsNative(value) ? value : undefined;
}

var _getNative = getNative;

/* Built-in method references that are verified to be native. */
var Map = _getNative(_root, 'Map');

var _Map = Map;

/* Built-in method references that are verified to be native. */
var nativeCreate = _getNative(Object, 'create');

var _nativeCreate = nativeCreate;

/**
 * Removes all key-value entries from the hash.
 *
 * @private
 * @name clear
 * @memberOf Hash
 */
function hashClear() {
  this.__data__ = _nativeCreate ? _nativeCreate(null) : {};
  this.size = 0;
}

var _hashClear = hashClear;

/**
 * Removes `key` and its value from the hash.
 *
 * @private
 * @name delete
 * @memberOf Hash
 * @param {Object} hash The hash to modify.
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function hashDelete(key) {
  var result = this.has(key) && delete this.__data__[key];
  this.size -= result ? 1 : 0;
  return result;
}

var _hashDelete = hashDelete;

/** Used to stand-in for `undefined` hash values. */
var HASH_UNDEFINED = '__lodash_hash_undefined__';

/** Used for built-in method references. */
var objectProto$3 = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty$3 = objectProto$3.hasOwnProperty;

/**
 * Gets the hash value for `key`.
 *
 * @private
 * @name get
 * @memberOf Hash
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function hashGet(key) {
  var data = this.__data__;
  if (_nativeCreate) {
    var result = data[key];
    return result === HASH_UNDEFINED ? undefined : result;
  }
  return hasOwnProperty$3.call(data, key) ? data[key] : undefined;
}

var _hashGet = hashGet;

/** Used for built-in method references. */
var objectProto$4 = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty$4 = objectProto$4.hasOwnProperty;

/**
 * Checks if a hash value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf Hash
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function hashHas(key) {
  var data = this.__data__;
  return _nativeCreate ? (data[key] !== undefined) : hasOwnProperty$4.call(data, key);
}

var _hashHas = hashHas;

/** Used to stand-in for `undefined` hash values. */
var HASH_UNDEFINED$1 = '__lodash_hash_undefined__';

/**
 * Sets the hash `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf Hash
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the hash instance.
 */
function hashSet(key, value) {
  var data = this.__data__;
  this.size += this.has(key) ? 0 : 1;
  data[key] = (_nativeCreate && value === undefined) ? HASH_UNDEFINED$1 : value;
  return this;
}

var _hashSet = hashSet;

/**
 * Creates a hash object.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function Hash(entries) {
  var this$1 = this;

  var index = -1,
      length = entries == null ? 0 : entries.length;

  this.clear();
  while (++index < length) {
    var entry = entries[index];
    this$1.set(entry[0], entry[1]);
  }
}

// Add methods to `Hash`.
Hash.prototype.clear = _hashClear;
Hash.prototype['delete'] = _hashDelete;
Hash.prototype.get = _hashGet;
Hash.prototype.has = _hashHas;
Hash.prototype.set = _hashSet;

var _Hash = Hash;

/**
 * Removes all key-value entries from the map.
 *
 * @private
 * @name clear
 * @memberOf MapCache
 */
function mapCacheClear() {
  this.size = 0;
  this.__data__ = {
    'hash': new _Hash,
    'map': new (_Map || _ListCache),
    'string': new _Hash
  };
}

var _mapCacheClear = mapCacheClear;

/**
 * Checks if `value` is suitable for use as unique object key.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
 */
function isKeyable(value) {
  var type = typeof value;
  return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
    ? (value !== '__proto__')
    : (value === null);
}

var _isKeyable = isKeyable;

/**
 * Gets the data for `map`.
 *
 * @private
 * @param {Object} map The map to query.
 * @param {string} key The reference key.
 * @returns {*} Returns the map data.
 */
function getMapData(map, key) {
  var data = map.__data__;
  return _isKeyable(key)
    ? data[typeof key == 'string' ? 'string' : 'hash']
    : data.map;
}

var _getMapData = getMapData;

/**
 * Removes `key` and its value from the map.
 *
 * @private
 * @name delete
 * @memberOf MapCache
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function mapCacheDelete(key) {
  var result = _getMapData(this, key)['delete'](key);
  this.size -= result ? 1 : 0;
  return result;
}

var _mapCacheDelete = mapCacheDelete;

/**
 * Gets the map value for `key`.
 *
 * @private
 * @name get
 * @memberOf MapCache
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function mapCacheGet(key) {
  return _getMapData(this, key).get(key);
}

var _mapCacheGet = mapCacheGet;

/**
 * Checks if a map value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf MapCache
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function mapCacheHas(key) {
  return _getMapData(this, key).has(key);
}

var _mapCacheHas = mapCacheHas;

/**
 * Sets the map `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf MapCache
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the map cache instance.
 */
function mapCacheSet(key, value) {
  var data = _getMapData(this, key),
      size = data.size;

  data.set(key, value);
  this.size += data.size == size ? 0 : 1;
  return this;
}

var _mapCacheSet = mapCacheSet;

/**
 * Creates a map cache object to store key-value pairs.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function MapCache(entries) {
  var this$1 = this;

  var index = -1,
      length = entries == null ? 0 : entries.length;

  this.clear();
  while (++index < length) {
    var entry = entries[index];
    this$1.set(entry[0], entry[1]);
  }
}

// Add methods to `MapCache`.
MapCache.prototype.clear = _mapCacheClear;
MapCache.prototype['delete'] = _mapCacheDelete;
MapCache.prototype.get = _mapCacheGet;
MapCache.prototype.has = _mapCacheHas;
MapCache.prototype.set = _mapCacheSet;

var _MapCache = MapCache;

/** Used as the size to enable large array optimizations. */
var LARGE_ARRAY_SIZE = 200;

/**
 * Sets the stack `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf Stack
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the stack cache instance.
 */
function stackSet(key, value) {
  var data = this.__data__;
  if (data instanceof _ListCache) {
    var pairs = data.__data__;
    if (!_Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
      pairs.push([key, value]);
      this.size = ++data.size;
      return this;
    }
    data = this.__data__ = new _MapCache(pairs);
  }
  data.set(key, value);
  this.size = data.size;
  return this;
}

var _stackSet = stackSet;

/**
 * Creates a stack cache object to store key-value pairs.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function Stack(entries) {
  var data = this.__data__ = new _ListCache(entries);
  this.size = data.size;
}

// Add methods to `Stack`.
Stack.prototype.clear = _stackClear;
Stack.prototype['delete'] = _stackDelete;
Stack.prototype.get = _stackGet;
Stack.prototype.has = _stackHas;
Stack.prototype.set = _stackSet;

var _Stack = Stack;

/**
 * A specialized version of `_.forEach` for arrays without support for
 * iteratee shorthands.
 *
 * @private
 * @param {Array} [array] The array to iterate over.
 * @param {Function} iteratee The function invoked per iteration.
 * @returns {Array} Returns `array`.
 */
function arrayEach(array, iteratee) {
  var index = -1,
      length = array == null ? 0 : array.length;

  while (++index < length) {
    if (iteratee(array[index], index, array) === false) {
      break;
    }
  }
  return array;
}

var _arrayEach = arrayEach;

var defineProperty = (function() {
  try {
    var func = _getNative(Object, 'defineProperty');
    func({}, '', {});
    return func;
  } catch (e) {}
}());

var _defineProperty = defineProperty;

/**
 * The base implementation of `assignValue` and `assignMergeValue` without
 * value checks.
 *
 * @private
 * @param {Object} object The object to modify.
 * @param {string} key The key of the property to assign.
 * @param {*} value The value to assign.
 */
function baseAssignValue(object, key, value) {
  if (key == '__proto__' && _defineProperty) {
    _defineProperty(object, key, {
      'configurable': true,
      'enumerable': true,
      'value': value,
      'writable': true
    });
  } else {
    object[key] = value;
  }
}

var _baseAssignValue = baseAssignValue;

/** Used for built-in method references. */
var objectProto$5 = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty$5 = objectProto$5.hasOwnProperty;

/**
 * Assigns `value` to `key` of `object` if the existing value is not equivalent
 * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
 * for equality comparisons.
 *
 * @private
 * @param {Object} object The object to modify.
 * @param {string} key The key of the property to assign.
 * @param {*} value The value to assign.
 */
function assignValue(object, key, value) {
  var objValue = object[key];
  if (!(hasOwnProperty$5.call(object, key) && eq_1(objValue, value)) ||
      (value === undefined && !(key in object))) {
    _baseAssignValue(object, key, value);
  }
}

var _assignValue = assignValue;

/**
 * Copies properties of `source` to `object`.
 *
 * @private
 * @param {Object} source The object to copy properties from.
 * @param {Array} props The property identifiers to copy.
 * @param {Object} [object={}] The object to copy properties to.
 * @param {Function} [customizer] The function to customize copied values.
 * @returns {Object} Returns `object`.
 */
function copyObject(source, props, object, customizer) {
  var isNew = !object;
  object || (object = {});

  var index = -1,
      length = props.length;

  while (++index < length) {
    var key = props[index];

    var newValue = customizer
      ? customizer(object[key], source[key], key, object, source)
      : undefined;

    if (newValue === undefined) {
      newValue = source[key];
    }
    if (isNew) {
      _baseAssignValue(object, key, newValue);
    } else {
      _assignValue(object, key, newValue);
    }
  }
  return object;
}

var _copyObject = copyObject;

/**
 * The base implementation of `_.times` without support for iteratee shorthands
 * or max array length checks.
 *
 * @private
 * @param {number} n The number of times to invoke `iteratee`.
 * @param {Function} iteratee The function invoked per iteration.
 * @returns {Array} Returns the array of results.
 */
function baseTimes(n, iteratee) {
  var index = -1,
      result = Array(n);

  while (++index < n) {
    result[index] = iteratee(index);
  }
  return result;
}

var _baseTimes = baseTimes;

/**
 * Checks if `value` is object-like. A value is object-like if it's not `null`
 * and has a `typeof` result of "object".
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
 * @example
 *
 * _.isObjectLike({});
 * // => true
 *
 * _.isObjectLike([1, 2, 3]);
 * // => true
 *
 * _.isObjectLike(_.noop);
 * // => false
 *
 * _.isObjectLike(null);
 * // => false
 */
function isObjectLike(value) {
  return value != null && typeof value == 'object';
}

var isObjectLike_1 = isObjectLike;

/** `Object#toString` result references. */
var argsTag = '[object Arguments]';

/**
 * The base implementation of `_.isArguments`.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an `arguments` object,
 */
function baseIsArguments(value) {
  return isObjectLike_1(value) && _baseGetTag(value) == argsTag;
}

var _baseIsArguments = baseIsArguments;

/** Used for built-in method references. */
var objectProto$6 = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty$6 = objectProto$6.hasOwnProperty;

/** Built-in value references. */
var propertyIsEnumerable = objectProto$6.propertyIsEnumerable;

/**
 * Checks if `value` is likely an `arguments` object.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an `arguments` object,
 *  else `false`.
 * @example
 *
 * _.isArguments(function() { return arguments; }());
 * // => true
 *
 * _.isArguments([1, 2, 3]);
 * // => false
 */
var isArguments = _baseIsArguments(function() { return arguments; }()) ? _baseIsArguments : function(value) {
  return isObjectLike_1(value) && hasOwnProperty$6.call(value, 'callee') &&
    !propertyIsEnumerable.call(value, 'callee');
};

var isArguments_1 = isArguments;

/**
 * Checks if `value` is classified as an `Array` object.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an array, else `false`.
 * @example
 *
 * _.isArray([1, 2, 3]);
 * // => true
 *
 * _.isArray(document.body.children);
 * // => false
 *
 * _.isArray('abc');
 * // => false
 *
 * _.isArray(_.noop);
 * // => false
 */
var isArray = Array.isArray;

var isArray_1 = isArray;

/**
 * This method returns `false`.
 *
 * @static
 * @memberOf _
 * @since 4.13.0
 * @category Util
 * @returns {boolean} Returns `false`.
 * @example
 *
 * _.times(2, _.stubFalse);
 * // => [false, false]
 */
function stubFalse() {
  return false;
}

var stubFalse_1 = stubFalse;

var isBuffer_1 = createCommonjsModule(function (module, exports) {
/** Detect free variable `exports`. */
var freeExports = 'object' == 'object' && exports && !exports.nodeType && exports;

/** Detect free variable `module`. */
var freeModule = freeExports && 'object' == 'object' && module && !module.nodeType && module;

/** Detect the popular CommonJS extension `module.exports`. */
var moduleExports = freeModule && freeModule.exports === freeExports;

/** Built-in value references. */
var Buffer = moduleExports ? _root.Buffer : undefined;

/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined;

/**
 * Checks if `value` is a buffer.
 *
 * @static
 * @memberOf _
 * @since 4.3.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
 * @example
 *
 * _.isBuffer(new Buffer(2));
 * // => true
 *
 * _.isBuffer(new Uint8Array(2));
 * // => false
 */
var isBuffer = nativeIsBuffer || stubFalse_1;

module.exports = isBuffer;
});

/** Used as references for various `Number` constants. */
var MAX_SAFE_INTEGER = 9007199254740991;

/** Used to detect unsigned integer values. */
var reIsUint = /^(?:0|[1-9]\d*)$/;

/**
 * Checks if `value` is a valid array-like index.
 *
 * @private
 * @param {*} value The value to check.
 * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
 * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
 */
function isIndex(value, length) {
  length = length == null ? MAX_SAFE_INTEGER : length;
  return !!length &&
    (typeof value == 'number' || reIsUint.test(value)) &&
    (value > -1 && value % 1 == 0 && value < length);
}

var _isIndex = isIndex;

/** Used as references for various `Number` constants. */
var MAX_SAFE_INTEGER$1 = 9007199254740991;

/**
 * Checks if `value` is a valid array-like length.
 *
 * **Note:** This method is loosely based on
 * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
 * @example
 *
 * _.isLength(3);
 * // => true
 *
 * _.isLength(Number.MIN_VALUE);
 * // => false
 *
 * _.isLength(Infinity);
 * // => false
 *
 * _.isLength('3');
 * // => false
 */
function isLength(value) {
  return typeof value == 'number' &&
    value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER$1;
}

var isLength_1 = isLength;

/** `Object#toString` result references. */
var argsTag$1 = '[object Arguments]',
    arrayTag = '[object Array]',
    boolTag = '[object Boolean]',
    dateTag = '[object Date]',
    errorTag = '[object Error]',
    funcTag$1 = '[object Function]',
    mapTag = '[object Map]',
    numberTag = '[object Number]',
    objectTag = '[object Object]',
    regexpTag = '[object RegExp]',
    setTag = '[object Set]',
    stringTag = '[object String]',
    weakMapTag = '[object WeakMap]';

var arrayBufferTag = '[object ArrayBuffer]',
    dataViewTag = '[object DataView]',
    float32Tag = '[object Float32Array]',
    float64Tag = '[object Float64Array]',
    int8Tag = '[object Int8Array]',
    int16Tag = '[object Int16Array]',
    int32Tag = '[object Int32Array]',
    uint8Tag = '[object Uint8Array]',
    uint8ClampedTag = '[object Uint8ClampedArray]',
    uint16Tag = '[object Uint16Array]',
    uint32Tag = '[object Uint32Array]';

/** Used to identify `toStringTag` values of typed arrays. */
var typedArrayTags = {};
typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
typedArrayTags[uint32Tag] = true;
typedArrayTags[argsTag$1] = typedArrayTags[arrayTag] =
typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
typedArrayTags[errorTag] = typedArrayTags[funcTag$1] =
typedArrayTags[mapTag] = typedArrayTags[numberTag] =
typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
typedArrayTags[setTag] = typedArrayTags[stringTag] =
typedArrayTags[weakMapTag] = false;

/**
 * The base implementation of `_.isTypedArray` without Node.js optimizations.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
 */
function baseIsTypedArray(value) {
  return isObjectLike_1(value) &&
    isLength_1(value.length) && !!typedArrayTags[_baseGetTag(value)];
}

var _baseIsTypedArray = baseIsTypedArray;

/**
 * The base implementation of `_.unary` without support for storing metadata.
 *
 * @private
 * @param {Function} func The function to cap arguments for.
 * @returns {Function} Returns the new capped function.
 */
function baseUnary(func) {
  return function(value) {
    return func(value);
  };
}

var _baseUnary = baseUnary;

var _nodeUtil = createCommonjsModule(function (module, exports) {
/** Detect free variable `exports`. */
var freeExports = 'object' == 'object' && exports && !exports.nodeType && exports;

/** Detect free variable `module`. */
var freeModule = freeExports && 'object' == 'object' && module && !module.nodeType && module;

/** Detect the popular CommonJS extension `module.exports`. */
var moduleExports = freeModule && freeModule.exports === freeExports;

/** Detect free variable `process` from Node.js. */
var freeProcess = moduleExports && _freeGlobal.process;

/** Used to access faster Node.js helpers. */
var nodeUtil = (function() {
  try {
    return freeProcess && freeProcess.binding && freeProcess.binding('util');
  } catch (e) {}
}());

module.exports = nodeUtil;
});

/* Node.js helper references. */
var nodeIsTypedArray = _nodeUtil && _nodeUtil.isTypedArray;

/**
 * Checks if `value` is classified as a typed array.
 *
 * @static
 * @memberOf _
 * @since 3.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
 * @example
 *
 * _.isTypedArray(new Uint8Array);
 * // => true
 *
 * _.isTypedArray([]);
 * // => false
 */
var isTypedArray = nodeIsTypedArray ? _baseUnary(nodeIsTypedArray) : _baseIsTypedArray;

var isTypedArray_1 = isTypedArray;

/** Used for built-in method references. */
var objectProto$7 = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty$7 = objectProto$7.hasOwnProperty;

/**
 * Creates an array of the enumerable property names of the array-like `value`.
 *
 * @private
 * @param {*} value The value to query.
 * @param {boolean} inherited Specify returning inherited property names.
 * @returns {Array} Returns the array of property names.
 */
function arrayLikeKeys(value, inherited) {
  var isArr = isArray_1(value),
      isArg = !isArr && isArguments_1(value),
      isBuff = !isArr && !isArg && isBuffer_1(value),
      isType = !isArr && !isArg && !isBuff && isTypedArray_1(value),
      skipIndexes = isArr || isArg || isBuff || isType,
      result = skipIndexes ? _baseTimes(value.length, String) : [],
      length = result.length;

  for (var key in value) {
    if ((inherited || hasOwnProperty$7.call(value, key)) &&
        !(skipIndexes && (
           // Safari 9 has enumerable `arguments.length` in strict mode.
           key == 'length' ||
           // Node.js 0.10 has enumerable non-index properties on buffers.
           (isBuff && (key == 'offset' || key == 'parent')) ||
           // PhantomJS 2 has enumerable non-index properties on typed arrays.
           (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
           // Skip index properties.
           _isIndex(key, length)
        ))) {
      result.push(key);
    }
  }
  return result;
}

var _arrayLikeKeys = arrayLikeKeys;

/** Used for built-in method references. */
var objectProto$8 = Object.prototype;

/**
 * Checks if `value` is likely a prototype object.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
 */
function isPrototype(value) {
  var Ctor = value && value.constructor,
      proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto$8;

  return value === proto;
}

var _isPrototype = isPrototype;

/**
 * Creates a unary function that invokes `func` with its argument transformed.
 *
 * @private
 * @param {Function} func The function to wrap.
 * @param {Function} transform The argument transform.
 * @returns {Function} Returns the new function.
 */
function overArg(func, transform) {
  return function(arg) {
    return func(transform(arg));
  };
}

var _overArg = overArg;

/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeKeys = _overArg(Object.keys, Object);

var _nativeKeys = nativeKeys;

/** Used for built-in method references. */
var objectProto$9 = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty$8 = objectProto$9.hasOwnProperty;

/**
 * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names.
 */
function baseKeys(object) {
  if (!_isPrototype(object)) {
    return _nativeKeys(object);
  }
  var result = [];
  for (var key in Object(object)) {
    if (hasOwnProperty$8.call(object, key) && key != 'constructor') {
      result.push(key);
    }
  }
  return result;
}

var _baseKeys = baseKeys;

/**
 * Checks if `value` is array-like. A value is considered array-like if it's
 * not a function and has a `value.length` that's an integer greater than or
 * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
 * @example
 *
 * _.isArrayLike([1, 2, 3]);
 * // => true
 *
 * _.isArrayLike(document.body.children);
 * // => true
 *
 * _.isArrayLike('abc');
 * // => true
 *
 * _.isArrayLike(_.noop);
 * // => false
 */
function isArrayLike(value) {
  return value != null && isLength_1(value.length) && !isFunction_1(value);
}

var isArrayLike_1 = isArrayLike;

/**
 * Creates an array of the own enumerable property names of `object`.
 *
 * **Note:** Non-object values are coerced to objects. See the
 * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
 * for more details.
 *
 * @static
 * @since 0.1.0
 * @memberOf _
 * @category Object
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names.
 * @example
 *
 * function Foo() {
 *   this.a = 1;
 *   this.b = 2;
 * }
 *
 * Foo.prototype.c = 3;
 *
 * _.keys(new Foo);
 * // => ['a', 'b'] (iteration order is not guaranteed)
 *
 * _.keys('hi');
 * // => ['0', '1']
 */
function keys(object) {
  return isArrayLike_1(object) ? _arrayLikeKeys(object) : _baseKeys(object);
}

var keys_1 = keys;

/**
 * The base implementation of `_.assign` without support for multiple sources
 * or `customizer` functions.
 *
 * @private
 * @param {Object} object The destination object.
 * @param {Object} source The source object.
 * @returns {Object} Returns `object`.
 */
function baseAssign(object, source) {
  return object && _copyObject(source, keys_1(source), object);
}

var _baseAssign = baseAssign;

/**
 * This function is like
 * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
 * except that it includes inherited enumerable properties.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names.
 */
function nativeKeysIn(object) {
  var result = [];
  if (object != null) {
    for (var key in Object(object)) {
      result.push(key);
    }
  }
  return result;
}

var _nativeKeysIn = nativeKeysIn;

/** Used for built-in method references. */
var objectProto$10 = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty$9 = objectProto$10.hasOwnProperty;

/**
 * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names.
 */
function baseKeysIn(object) {
  if (!isObject_1(object)) {
    return _nativeKeysIn(object);
  }
  var isProto = _isPrototype(object),
      result = [];

  for (var key in object) {
    if (!(key == 'constructor' && (isProto || !hasOwnProperty$9.call(object, key)))) {
      result.push(key);
    }
  }
  return result;
}

var _baseKeysIn = baseKeysIn;

/**
 * Creates an array of the own and inherited enumerable property names of `object`.
 *
 * **Note:** Non-object values are coerced to objects.
 *
 * @static
 * @memberOf _
 * @since 3.0.0
 * @category Object
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names.
 * @example
 *
 * function Foo() {
 *   this.a = 1;
 *   this.b = 2;
 * }
 *
 * Foo.prototype.c = 3;
 *
 * _.keysIn(new Foo);
 * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
 */
function keysIn$1(object) {
  return isArrayLike_1(object) ? _arrayLikeKeys(object, true) : _baseKeysIn(object);
}

var keysIn_1 = keysIn$1;

/**
 * The base implementation of `_.assignIn` without support for multiple sources
 * or `customizer` functions.
 *
 * @private
 * @param {Object} object The destination object.
 * @param {Object} source The source object.
 * @returns {Object} Returns `object`.
 */
function baseAssignIn(object, source) {
  return object && _copyObject(source, keysIn_1(source), object);
}

var _baseAssignIn = baseAssignIn;

var _cloneBuffer = createCommonjsModule(function (module, exports) {
/** Detect free variable `exports`. */
var freeExports = 'object' == 'object' && exports && !exports.nodeType && exports;

/** Detect free variable `module`. */
var freeModule = freeExports && 'object' == 'object' && module && !module.nodeType && module;

/** Detect the popular CommonJS extension `module.exports`. */
var moduleExports = freeModule && freeModule.exports === freeExports;

/** Built-in value references. */
var Buffer = moduleExports ? _root.Buffer : undefined,
    allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined;

/**
 * Creates a clone of  `buffer`.
 *
 * @private
 * @param {Buffer} buffer The buffer to clone.
 * @param {boolean} [isDeep] Specify a deep clone.
 * @returns {Buffer} Returns the cloned buffer.
 */
function cloneBuffer(buffer, isDeep) {
  if (isDeep) {
    return buffer.slice();
  }
  var length = buffer.length,
      result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);

  buffer.copy(result);
  return result;
}

module.exports = cloneBuffer;
});

/**
 * Copies the values of `source` to `array`.
 *
 * @private
 * @param {Array} source The array to copy values from.
 * @param {Array} [array=[]] The array to copy values to.
 * @returns {Array} Returns `array`.
 */
function copyArray(source, array) {
  var index = -1,
      length = source.length;

  array || (array = Array(length));
  while (++index < length) {
    array[index] = source[index];
  }
  return array;
}

var _copyArray = copyArray;

/**
 * A specialized version of `_.filter` for arrays without support for
 * iteratee shorthands.
 *
 * @private
 * @param {Array} [array] The array to iterate over.
 * @param {Function} predicate The function invoked per iteration.
 * @returns {Array} Returns the new filtered array.
 */
function arrayFilter(array, predicate) {
  var index = -1,
      length = array == null ? 0 : array.length,
      resIndex = 0,
      result = [];

  while (++index < length) {
    var value = array[index];
    if (predicate(value, index, array)) {
      result[resIndex++] = value;
    }
  }
  return result;
}

var _arrayFilter = arrayFilter;

/**
 * This method returns a new empty array.
 *
 * @static
 * @memberOf _
 * @since 4.13.0
 * @category Util
 * @returns {Array} Returns the new empty array.
 * @example
 *
 * var arrays = _.times(2, _.stubArray);
 *
 * console.log(arrays);
 * // => [[], []]
 *
 * console.log(arrays[0] === arrays[1]);
 * // => false
 */
function stubArray() {
  return [];
}

var stubArray_1 = stubArray;

/** Used for built-in method references. */
var objectProto$11 = Object.prototype;

/** Built-in value references. */
var propertyIsEnumerable$1 = objectProto$11.propertyIsEnumerable;

/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeGetSymbols = Object.getOwnPropertySymbols;

/**
 * Creates an array of the own enumerable symbols of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of symbols.
 */
var getSymbols = !nativeGetSymbols ? stubArray_1 : function(object) {
  if (object == null) {
    return [];
  }
  object = Object(object);
  return _arrayFilter(nativeGetSymbols(object), function(symbol) {
    return propertyIsEnumerable$1.call(object, symbol);
  });
};

var _getSymbols = getSymbols;

/**
 * Copies own symbols of `source` to `object`.
 *
 * @private
 * @param {Object} source The object to copy symbols from.
 * @param {Object} [object={}] The object to copy symbols to.
 * @returns {Object} Returns `object`.
 */
function copySymbols(source, object) {
  return _copyObject(source, _getSymbols(source), object);
}

var _copySymbols = copySymbols;

/**
 * Appends the elements of `values` to `array`.
 *
 * @private
 * @param {Array} array The array to modify.
 * @param {Array} values The values to append.
 * @returns {Array} Returns `array`.
 */
function arrayPush(array, values) {
  var index = -1,
      length = values.length,
      offset = array.length;

  while (++index < length) {
    array[offset + index] = values[index];
  }
  return array;
}

var _arrayPush = arrayPush;

/** Built-in value references. */
var getPrototype = _overArg(Object.getPrototypeOf, Object);

var _getPrototype = getPrototype;

/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeGetSymbols$1 = Object.getOwnPropertySymbols;

/**
 * Creates an array of the own and inherited enumerable symbols of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of symbols.
 */
var getSymbolsIn = !nativeGetSymbols$1 ? stubArray_1 : function(object) {
  var result = [];
  while (object) {
    _arrayPush(result, _getSymbols(object));
    object = _getPrototype(object);
  }
  return result;
};

var _getSymbolsIn = getSymbolsIn;

/**
 * Copies own and inherited symbols of `source` to `object`.
 *
 * @private
 * @param {Object} source The object to copy symbols from.
 * @param {Object} [object={}] The object to copy symbols to.
 * @returns {Object} Returns `object`.
 */
function copySymbolsIn(source, object) {
  return _copyObject(source, _getSymbolsIn(source), object);
}

var _copySymbolsIn = copySymbolsIn;

/**
 * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
 * `keysFunc` and `symbolsFunc` to get the enumerable property names and
 * symbols of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @param {Function} keysFunc The function to get the keys of `object`.
 * @param {Function} symbolsFunc The function to get the symbols of `object`.
 * @returns {Array} Returns the array of property names and symbols.
 */
function baseGetAllKeys(object, keysFunc, symbolsFunc) {
  var result = keysFunc(object);
  return isArray_1(object) ? result : _arrayPush(result, symbolsFunc(object));
}

var _baseGetAllKeys = baseGetAllKeys;

/**
 * Creates an array of own enumerable property names and symbols of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names and symbols.
 */
function getAllKeys(object) {
  return _baseGetAllKeys(object, keys_1, _getSymbols);
}

var _getAllKeys = getAllKeys;

/**
 * Creates an array of own and inherited enumerable property names and
 * symbols of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names and symbols.
 */
function getAllKeysIn(object) {
  return _baseGetAllKeys(object, keysIn_1, _getSymbolsIn);
}

var _getAllKeysIn = getAllKeysIn;

/* Built-in method references that are verified to be native. */
var DataView = _getNative(_root, 'DataView');

var _DataView = DataView;

/* Built-in method references that are verified to be native. */
var Promise = _getNative(_root, 'Promise');

var _Promise = Promise;

/* Built-in method references that are verified to be native. */
var Set$1 = _getNative(_root, 'Set');

var _Set = Set$1;

/* Built-in method references that are verified to be native. */
var WeakMap = _getNative(_root, 'WeakMap');

var _WeakMap = WeakMap;

/** `Object#toString` result references. */
var mapTag$1 = '[object Map]',
    objectTag$1 = '[object Object]',
    promiseTag = '[object Promise]',
    setTag$1 = '[object Set]',
    weakMapTag$1 = '[object WeakMap]';

var dataViewTag$1 = '[object DataView]';

/** Used to detect maps, sets, and weakmaps. */
var dataViewCtorString = _toSource(_DataView),
    mapCtorString = _toSource(_Map),
    promiseCtorString = _toSource(_Promise),
    setCtorString = _toSource(_Set),
    weakMapCtorString = _toSource(_WeakMap);

/**
 * Gets the `toStringTag` of `value`.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the `toStringTag`.
 */
var getTag = _baseGetTag;

// Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
if ((_DataView && getTag(new _DataView(new ArrayBuffer(1))) != dataViewTag$1) ||
    (_Map && getTag(new _Map) != mapTag$1) ||
    (_Promise && getTag(_Promise.resolve()) != promiseTag) ||
    (_Set && getTag(new _Set) != setTag$1) ||
    (_WeakMap && getTag(new _WeakMap) != weakMapTag$1)) {
  getTag = function(value) {
    var result = _baseGetTag(value),
        Ctor = result == objectTag$1 ? value.constructor : undefined,
        ctorString = Ctor ? _toSource(Ctor) : '';

    if (ctorString) {
      switch (ctorString) {
        case dataViewCtorString: return dataViewTag$1;
        case mapCtorString: return mapTag$1;
        case promiseCtorString: return promiseTag;
        case setCtorString: return setTag$1;
        case weakMapCtorString: return weakMapTag$1;
      }
    }
    return result;
  };
}

var _getTag = getTag;

/** Used for built-in method references. */
var objectProto$12 = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty$10 = objectProto$12.hasOwnProperty;

/**
 * Initializes an array clone.
 *
 * @private
 * @param {Array} array The array to clone.
 * @returns {Array} Returns the initialized clone.
 */
function initCloneArray(array) {
  var length = array.length,
      result = array.constructor(length);

  // Add properties assigned by `RegExp#exec`.
  if (length && typeof array[0] == 'string' && hasOwnProperty$10.call(array, 'index')) {
    result.index = array.index;
    result.input = array.input;
  }
  return result;
}

var _initCloneArray = initCloneArray;

/** Built-in value references. */
var Uint8Array = _root.Uint8Array;

var _Uint8Array = Uint8Array;

/**
 * Creates a clone of `arrayBuffer`.
 *
 * @private
 * @param {ArrayBuffer} arrayBuffer The array buffer to clone.
 * @returns {ArrayBuffer} Returns the cloned array buffer.
 */
function cloneArrayBuffer(arrayBuffer) {
  var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
  new _Uint8Array(result).set(new _Uint8Array(arrayBuffer));
  return result;
}

var _cloneArrayBuffer = cloneArrayBuffer;

/**
 * Creates a clone of `dataView`.
 *
 * @private
 * @param {Object} dataView The data view to clone.
 * @param {boolean} [isDeep] Specify a deep clone.
 * @returns {Object} Returns the cloned data view.
 */
function cloneDataView(dataView, isDeep) {
  var buffer = isDeep ? _cloneArrayBuffer(dataView.buffer) : dataView.buffer;
  return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);
}

var _cloneDataView = cloneDataView;

/**
 * Adds the key-value `pair` to `map`.
 *
 * @private
 * @param {Object} map The map to modify.
 * @param {Array} pair The key-value pair to add.
 * @returns {Object} Returns `map`.
 */
function addMapEntry(map, pair) {
  // Don't return `map.set` because it's not chainable in IE 11.
  map.set(pair[0], pair[1]);
  return map;
}

var _addMapEntry = addMapEntry;

/**
 * A specialized version of `_.reduce` for arrays without support for
 * iteratee shorthands.
 *
 * @private
 * @param {Array} [array] The array to iterate over.
 * @param {Function} iteratee The function invoked per iteration.
 * @param {*} [accumulator] The initial value.
 * @param {boolean} [initAccum] Specify using the first element of `array` as
 *  the initial value.
 * @returns {*} Returns the accumulated value.
 */
function arrayReduce(array, iteratee, accumulator, initAccum) {
  var index = -1,
      length = array == null ? 0 : array.length;

  if (initAccum && length) {
    accumulator = array[++index];
  }
  while (++index < length) {
    accumulator = iteratee(accumulator, array[index], index, array);
  }
  return accumulator;
}

var _arrayReduce = arrayReduce;

/**
 * Converts `map` to its key-value pairs.
 *
 * @private
 * @param {Object} map The map to convert.
 * @returns {Array} Returns the key-value pairs.
 */
function mapToArray(map) {
  var index = -1,
      result = Array(map.size);

  map.forEach(function(value, key) {
    result[++index] = [key, value];
  });
  return result;
}

var _mapToArray = mapToArray;

/** Used to compose bitmasks for cloning. */
var CLONE_DEEP_FLAG = 1;

/**
 * Creates a clone of `map`.
 *
 * @private
 * @param {Object} map The map to clone.
 * @param {Function} cloneFunc The function to clone values.
 * @param {boolean} [isDeep] Specify a deep clone.
 * @returns {Object} Returns the cloned map.
 */
function cloneMap(map, isDeep, cloneFunc) {
  var array = isDeep ? cloneFunc(_mapToArray(map), CLONE_DEEP_FLAG) : _mapToArray(map);
  return _arrayReduce(array, _addMapEntry, new map.constructor);
}

var _cloneMap = cloneMap;

/** Used to match `RegExp` flags from their coerced string values. */
var reFlags = /\w*$/;

/**
 * Creates a clone of `regexp`.
 *
 * @private
 * @param {Object} regexp The regexp to clone.
 * @returns {Object} Returns the cloned regexp.
 */
function cloneRegExp(regexp) {
  var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));
  result.lastIndex = regexp.lastIndex;
  return result;
}

var _cloneRegExp = cloneRegExp;

/**
 * Adds `value` to `set`.
 *
 * @private
 * @param {Object} set The set to modify.
 * @param {*} value The value to add.
 * @returns {Object} Returns `set`.
 */
function addSetEntry(set, value) {
  // Don't return `set.add` because it's not chainable in IE 11.
  set.add(value);
  return set;
}

var _addSetEntry = addSetEntry;

/**
 * Converts `set` to an array of its values.
 *
 * @private
 * @param {Object} set The set to convert.
 * @returns {Array} Returns the values.
 */
function setToArray(set) {
  var index = -1,
      result = Array(set.size);

  set.forEach(function(value) {
    result[++index] = value;
  });
  return result;
}

var _setToArray = setToArray;

/** Used to compose bitmasks for cloning. */
var CLONE_DEEP_FLAG$1 = 1;

/**
 * Creates a clone of `set`.
 *
 * @private
 * @param {Object} set The set to clone.
 * @param {Function} cloneFunc The function to clone values.
 * @param {boolean} [isDeep] Specify a deep clone.
 * @returns {Object} Returns the cloned set.
 */
function cloneSet(set, isDeep, cloneFunc) {
  var array = isDeep ? cloneFunc(_setToArray(set), CLONE_DEEP_FLAG$1) : _setToArray(set);
  return _arrayReduce(array, _addSetEntry, new set.constructor);
}

var _cloneSet = cloneSet;

/** Used to convert symbols to primitives and strings. */
var symbolProto = _Symbol ? _Symbol.prototype : undefined,
    symbolValueOf = symbolProto ? symbolProto.valueOf : undefined;

/**
 * Creates a clone of the `symbol` object.
 *
 * @private
 * @param {Object} symbol The symbol object to clone.
 * @returns {Object} Returns the cloned symbol object.
 */
function cloneSymbol(symbol) {
  return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};
}

var _cloneSymbol = cloneSymbol;

/**
 * Creates a clone of `typedArray`.
 *
 * @private
 * @param {Object} typedArray The typed array to clone.
 * @param {boolean} [isDeep] Specify a deep clone.
 * @returns {Object} Returns the cloned typed array.
 */
function cloneTypedArray(typedArray, isDeep) {
  var buffer = isDeep ? _cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
  return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
}

var _cloneTypedArray = cloneTypedArray;

/** `Object#toString` result references. */
var boolTag$1 = '[object Boolean]',
    dateTag$1 = '[object Date]',
    mapTag$2 = '[object Map]',
    numberTag$1 = '[object Number]',
    regexpTag$1 = '[object RegExp]',
    setTag$2 = '[object Set]',
    stringTag$1 = '[object String]',
    symbolTag = '[object Symbol]';

var arrayBufferTag$1 = '[object ArrayBuffer]',
    dataViewTag$2 = '[object DataView]',
    float32Tag$1 = '[object Float32Array]',
    float64Tag$1 = '[object Float64Array]',
    int8Tag$1 = '[object Int8Array]',
    int16Tag$1 = '[object Int16Array]',
    int32Tag$1 = '[object Int32Array]',
    uint8Tag$1 = '[object Uint8Array]',
    uint8ClampedTag$1 = '[object Uint8ClampedArray]',
    uint16Tag$1 = '[object Uint16Array]',
    uint32Tag$1 = '[object Uint32Array]';

/**
 * Initializes an object clone based on its `toStringTag`.
 *
 * **Note:** This function only supports cloning values with tags of
 * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
 *
 * @private
 * @param {Object} object The object to clone.
 * @param {string} tag The `toStringTag` of the object to clone.
 * @param {Function} cloneFunc The function to clone values.
 * @param {boolean} [isDeep] Specify a deep clone.
 * @returns {Object} Returns the initialized clone.
 */
function initCloneByTag(object, tag, cloneFunc, isDeep) {
  var Ctor = object.constructor;
  switch (tag) {
    case arrayBufferTag$1:
      return _cloneArrayBuffer(object);

    case boolTag$1:
    case dateTag$1:
      return new Ctor(+object);

    case dataViewTag$2:
      return _cloneDataView(object, isDeep);

    case float32Tag$1: case float64Tag$1:
    case int8Tag$1: case int16Tag$1: case int32Tag$1:
    case uint8Tag$1: case uint8ClampedTag$1: case uint16Tag$1: case uint32Tag$1:
      return _cloneTypedArray(object, isDeep);

    case mapTag$2:
      return _cloneMap(object, isDeep, cloneFunc);

    case numberTag$1:
    case stringTag$1:
      return new Ctor(object);

    case regexpTag$1:
      return _cloneRegExp(object);

    case setTag$2:
      return _cloneSet(object, isDeep, cloneFunc);

    case symbolTag:
      return _cloneSymbol(object);
  }
}

var _initCloneByTag = initCloneByTag;

/** Built-in value references. */
var objectCreate = Object.create;

/**
 * The base implementation of `_.create` without support for assigning
 * properties to the created object.
 *
 * @private
 * @param {Object} proto The object to inherit from.
 * @returns {Object} Returns the new object.
 */
var baseCreate = (function() {
  function object() {}
  return function(proto) {
    if (!isObject_1(proto)) {
      return {};
    }
    if (objectCreate) {
      return objectCreate(proto);
    }
    object.prototype = proto;
    var result = new object;
    object.prototype = undefined;
    return result;
  };
}());

var _baseCreate = baseCreate;

/**
 * Initializes an object clone.
 *
 * @private
 * @param {Object} object The object to clone.
 * @returns {Object} Returns the initialized clone.
 */
function initCloneObject(object) {
  return (typeof object.constructor == 'function' && !_isPrototype(object))
    ? _baseCreate(_getPrototype(object))
    : {};
}

var _initCloneObject = initCloneObject;

/** Used to compose bitmasks for cloning. */
var CLONE_DEEP_FLAG$2 = 1,
    CLONE_FLAT_FLAG = 2,
    CLONE_SYMBOLS_FLAG = 4;

/** `Object#toString` result references. */
var argsTag$2 = '[object Arguments]',
    arrayTag$1 = '[object Array]',
    boolTag$2 = '[object Boolean]',
    dateTag$2 = '[object Date]',
    errorTag$1 = '[object Error]',
    funcTag$2 = '[object Function]',
    genTag$1 = '[object GeneratorFunction]',
    mapTag$3 = '[object Map]',
    numberTag$2 = '[object Number]',
    objectTag$2 = '[object Object]',
    regexpTag$2 = '[object RegExp]',
    setTag$3 = '[object Set]',
    stringTag$2 = '[object String]',
    symbolTag$1 = '[object Symbol]',
    weakMapTag$2 = '[object WeakMap]';

var arrayBufferTag$2 = '[object ArrayBuffer]',
    dataViewTag$3 = '[object DataView]',
    float32Tag$2 = '[object Float32Array]',
    float64Tag$2 = '[object Float64Array]',
    int8Tag$2 = '[object Int8Array]',
    int16Tag$2 = '[object Int16Array]',
    int32Tag$2 = '[object Int32Array]',
    uint8Tag$2 = '[object Uint8Array]',
    uint8ClampedTag$2 = '[object Uint8ClampedArray]',
    uint16Tag$2 = '[object Uint16Array]',
    uint32Tag$2 = '[object Uint32Array]';

/** Used to identify `toStringTag` values supported by `_.clone`. */
var cloneableTags = {};
cloneableTags[argsTag$2] = cloneableTags[arrayTag$1] =
cloneableTags[arrayBufferTag$2] = cloneableTags[dataViewTag$3] =
cloneableTags[boolTag$2] = cloneableTags[dateTag$2] =
cloneableTags[float32Tag$2] = cloneableTags[float64Tag$2] =
cloneableTags[int8Tag$2] = cloneableTags[int16Tag$2] =
cloneableTags[int32Tag$2] = cloneableTags[mapTag$3] =
cloneableTags[numberTag$2] = cloneableTags[objectTag$2] =
cloneableTags[regexpTag$2] = cloneableTags[setTag$3] =
cloneableTags[stringTag$2] = cloneableTags[symbolTag$1] =
cloneableTags[uint8Tag$2] = cloneableTags[uint8ClampedTag$2] =
cloneableTags[uint16Tag$2] = cloneableTags[uint32Tag$2] = true;
cloneableTags[errorTag$1] = cloneableTags[funcTag$2] =
cloneableTags[weakMapTag$2] = false;

/**
 * The base implementation of `_.clone` and `_.cloneDeep` which tracks
 * traversed objects.
 *
 * @private
 * @param {*} value The value to clone.
 * @param {boolean} bitmask The bitmask flags.
 *  1 - Deep clone
 *  2 - Flatten inherited properties
 *  4 - Clone symbols
 * @param {Function} [customizer] The function to customize cloning.
 * @param {string} [key] The key of `value`.
 * @param {Object} [object] The parent object of `value`.
 * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
 * @returns {*} Returns the cloned value.
 */
function baseClone(value, bitmask, customizer, key, object, stack) {
  var result,
      isDeep = bitmask & CLONE_DEEP_FLAG$2,
      isFlat = bitmask & CLONE_FLAT_FLAG,
      isFull = bitmask & CLONE_SYMBOLS_FLAG;

  if (customizer) {
    result = object ? customizer(value, key, object, stack) : customizer(value);
  }
  if (result !== undefined) {
    return result;
  }
  if (!isObject_1(value)) {
    return value;
  }
  var isArr = isArray_1(value);
  if (isArr) {
    result = _initCloneArray(value);
    if (!isDeep) {
      return _copyArray(value, result);
    }
  } else {
    var tag = _getTag(value),
        isFunc = tag == funcTag$2 || tag == genTag$1;

    if (isBuffer_1(value)) {
      return _cloneBuffer(value, isDeep);
    }
    if (tag == objectTag$2 || tag == argsTag$2 || (isFunc && !object)) {
      result = (isFlat || isFunc) ? {} : _initCloneObject(value);
      if (!isDeep) {
        return isFlat
          ? _copySymbolsIn(value, _baseAssignIn(result, value))
          : _copySymbols(value, _baseAssign(result, value));
      }
    } else {
      if (!cloneableTags[tag]) {
        return object ? value : {};
      }
      result = _initCloneByTag(value, tag, baseClone, isDeep);
    }
  }
  // Check for circular references and return its corresponding clone.
  stack || (stack = new _Stack);
  var stacked = stack.get(value);
  if (stacked) {
    return stacked;
  }
  stack.set(value, result);

  var keysFunc = isFull
    ? (isFlat ? _getAllKeysIn : _getAllKeys)
    : (isFlat ? keysIn : keys_1);

  var props = isArr ? undefined : keysFunc(value);
  _arrayEach(props || value, function(subValue, key) {
    if (props) {
      key = subValue;
      subValue = value[key];
    }
    // Recursively populate clone (susceptible to call stack limits).
    _assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
  });
  return result;
}

var _baseClone = baseClone;

/** Used to compose bitmasks for cloning. */
var CLONE_DEEP_FLAG$3 = 1,
    CLONE_SYMBOLS_FLAG$1 = 4;

/**
 * This method is like `_.clone` except that it recursively clones `value`.
 *
 * @static
 * @memberOf _
 * @since 1.0.0
 * @category Lang
 * @param {*} value The value to recursively clone.
 * @returns {*} Returns the deep cloned value.
 * @see _.clone
 * @example
 *
 * var objects = [{ 'a': 1 }, { 'b': 2 }];
 *
 * var deep = _.cloneDeep(objects);
 * console.log(deep[0] === objects[0]);
 * // => false
 */
function cloneDeep(value) {
  return _baseClone(value, CLONE_DEEP_FLAG$3 | CLONE_SYMBOLS_FLAG$1);
}

var cloneDeep_1 = cloneDeep;

// 

function createLocalVue(_Vue) {
  if ( _Vue === void 0 ) _Vue = Vue;

  var instance = _Vue.extend();

  // clone global APIs
  Object.keys(_Vue).forEach(function (key) {
    if (!instance.hasOwnProperty(key)) {
      var original = _Vue[key];
      // cloneDeep can fail when cloning Vue instances
      // cloneDeep checks that the instance has a Symbol
      // which errors in Vue < 2.17 (https://github.com/vuejs/vue/pull/7878)
      try {
        instance[key] =
          typeof original === 'object' ? cloneDeep_1(original) : original;
      } catch (e) {
        instance[key] = original;
      }
    }
  });

  // config is not enumerable
  instance.config = cloneDeep_1(Vue.config);

  instance.config.errorHandler = Vue.config.errorHandler;

  // option merge strategies need to be exposed by reference
  // so that merge strats registered by plugins can work properly
  instance.config.optionMergeStrategies = Vue.config.optionMergeStrategies;

  // make sure all extends are based on this instance.
  // this is important so that global components registered by plugins,
  // e.g. router-link are created using the correct base constructor
  instance.options._base = instance;

  // compat for vue-router < 2.7.1 where it does not allow multiple installs
  if (instance._installedPlugins && instance._installedPlugins.length) {
    instance._installedPlugins.length = 0;
  }
  var use = instance.use;
  instance.use = function (plugin) {
    var rest = [], len = arguments.length - 1;
    while ( len-- > 0 ) rest[ len ] = arguments[ len + 1 ];

    if (plugin.installed === true) {
      plugin.installed = false;
    }
    if (plugin.install && plugin.install.installed === true) {
      plugin.install.installed = false;
    }
    use.call.apply(use, [ instance, plugin ].concat( rest ));
  };
  return instance
}

var semver$1 = createCommonjsModule(function (module, exports) {
exports = module.exports = SemVer;

// The debug function is excluded entirely from the minified version.
/* nomin */ var debug;
/* nomin */ if (typeof process === 'object' &&
    /* nomin */ process.env &&
    /* nomin */ process.env.NODE_DEBUG &&
    /* nomin */ /\bsemver\b/i.test(process.env.NODE_DEBUG))
  /* nomin */ { debug = function() {
    /* nomin */ var args = Array.prototype.slice.call(arguments, 0);
    /* nomin */ args.unshift('SEMVER');
    /* nomin */ console.log.apply(console, args);
    /* nomin */ }; }
/* nomin */ else
  /* nomin */ { debug = function() {}; }

// Note: this is the semver.org version of the spec that it implements
// Not necessarily the package version of this code.
exports.SEMVER_SPEC_VERSION = '2.0.0';

var MAX_LENGTH = 256;
var MAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991;

// Max safe segment length for coercion.
var MAX_SAFE_COMPONENT_LENGTH = 16;

// The actual regexps go on exports.re
var re = exports.re = [];
var src = exports.src = [];
var R = 0;

// The following Regular Expressions can be used for tokenizing,
// validating, and parsing SemVer version strings.

// ## Numeric Identifier
// A single `0`, or a non-zero digit followed by zero or more digits.

var NUMERICIDENTIFIER = R++;
src[NUMERICIDENTIFIER] = '0|[1-9]\\d*';
var NUMERICIDENTIFIERLOOSE = R++;
src[NUMERICIDENTIFIERLOOSE] = '[0-9]+';


// ## Non-numeric Identifier
// Zero or more digits, followed by a letter or hyphen, and then zero or
// more letters, digits, or hyphens.

var NONNUMERICIDENTIFIER = R++;
src[NONNUMERICIDENTIFIER] = '\\d*[a-zA-Z-][a-zA-Z0-9-]*';


// ## Main Version
// Three dot-separated numeric identifiers.

var MAINVERSION = R++;
src[MAINVERSION] = '(' + src[NUMERICIDENTIFIER] + ')\\.' +
                   '(' + src[NUMERICIDENTIFIER] + ')\\.' +
                   '(' + src[NUMERICIDENTIFIER] + ')';

var MAINVERSIONLOOSE = R++;
src[MAINVERSIONLOOSE] = '(' + src[NUMERICIDENTIFIERLOOSE] + ')\\.' +
                        '(' + src[NUMERICIDENTIFIERLOOSE] + ')\\.' +
                        '(' + src[NUMERICIDENTIFIERLOOSE] + ')';

// ## Pre-release Version Identifier
// A numeric identifier, or a non-numeric identifier.

var PRERELEASEIDENTIFIER = R++;
src[PRERELEASEIDENTIFIER] = '(?:' + src[NUMERICIDENTIFIER] +
                            '|' + src[NONNUMERICIDENTIFIER] + ')';

var PRERELEASEIDENTIFIERLOOSE = R++;
src[PRERELEASEIDENTIFIERLOOSE] = '(?:' + src[NUMERICIDENTIFIERLOOSE] +
                                 '|' + src[NONNUMERICIDENTIFIER] + ')';


// ## Pre-release Version
// Hyphen, followed by one or more dot-separated pre-release version
// identifiers.

var PRERELEASE = R++;
src[PRERELEASE] = '(?:-(' + src[PRERELEASEIDENTIFIER] +
                  '(?:\\.' + src[PRERELEASEIDENTIFIER] + ')*))';

var PRERELEASELOOSE = R++;
src[PRERELEASELOOSE] = '(?:-?(' + src[PRERELEASEIDENTIFIERLOOSE] +
                       '(?:\\.' + src[PRERELEASEIDENTIFIERLOOSE] + ')*))';

// ## Build Metadata Identifier
// Any combination of digits, letters, or hyphens.

var BUILDIDENTIFIER = R++;
src[BUILDIDENTIFIER] = '[0-9A-Za-z-]+';

// ## Build Metadata
// Plus sign, followed by one or more period-separated build metadata
// identifiers.

var BUILD = R++;
src[BUILD] = '(?:\\+(' + src[BUILDIDENTIFIER] +
             '(?:\\.' + src[BUILDIDENTIFIER] + ')*))';


// ## Full Version String
// A main version, followed optionally by a pre-release version and
// build metadata.

// Note that the only major, minor, patch, and pre-release sections of
// the version string are capturing groups.  The build metadata is not a
// capturing group, because it should not ever be used in version
// comparison.

var FULL = R++;
var FULLPLAIN = 'v?' + src[MAINVERSION] +
                src[PRERELEASE] + '?' +
                src[BUILD] + '?';

src[FULL] = '^' + FULLPLAIN + '$';

// like full, but allows v1.2.3 and =1.2.3, which people do sometimes.
// also, 1.0.0alpha1 (prerelease without the hyphen) which is pretty
// common in the npm registry.
var LOOSEPLAIN = '[v=\\s]*' + src[MAINVERSIONLOOSE] +
                 src[PRERELEASELOOSE] + '?' +
                 src[BUILD] + '?';

var LOOSE = R++;
src[LOOSE] = '^' + LOOSEPLAIN + '$';

var GTLT = R++;
src[GTLT] = '((?:<|>)?=?)';

// Something like "2.*" or "1.2.x".
// Note that "x.x" is a valid xRange identifer, meaning "any version"
// Only the first item is strictly required.
var XRANGEIDENTIFIERLOOSE = R++;
src[XRANGEIDENTIFIERLOOSE] = src[NUMERICIDENTIFIERLOOSE] + '|x|X|\\*';
var XRANGEIDENTIFIER = R++;
src[XRANGEIDENTIFIER] = src[NUMERICIDENTIFIER] + '|x|X|\\*';

var XRANGEPLAIN = R++;
src[XRANGEPLAIN] = '[v=\\s]*(' + src[XRANGEIDENTIFIER] + ')' +
                   '(?:\\.(' + src[XRANGEIDENTIFIER] + ')' +
                   '(?:\\.(' + src[XRANGEIDENTIFIER] + ')' +
                   '(?:' + src[PRERELEASE] + ')?' +
                   src[BUILD] + '?' +
                   ')?)?';

var XRANGEPLAINLOOSE = R++;
src[XRANGEPLAINLOOSE] = '[v=\\s]*(' + src[XRANGEIDENTIFIERLOOSE] + ')' +
                        '(?:\\.(' + src[XRANGEIDENTIFIERLOOSE] + ')' +
                        '(?:\\.(' + src[XRANGEIDENTIFIERLOOSE] + ')' +
                        '(?:' + src[PRERELEASELOOSE] + ')?' +
                        src[BUILD] + '?' +
                        ')?)?';

var XRANGE = R++;
src[XRANGE] = '^' + src[GTLT] + '\\s*' + src[XRANGEPLAIN] + '$';
var XRANGELOOSE = R++;
src[XRANGELOOSE] = '^' + src[GTLT] + '\\s*' + src[XRANGEPLAINLOOSE] + '$';

// Coercion.
// Extract anything that could conceivably be a part of a valid semver
var COERCE = R++;
src[COERCE] = '(?:^|[^\\d])' +
              '(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '})' +
              '(?:\\.(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '}))?' +
              '(?:\\.(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '}))?' +
              '(?:$|[^\\d])';

// Tilde ranges.
// Meaning is "reasonably at or greater than"
var LONETILDE = R++;
src[LONETILDE] = '(?:~>?)';

var TILDETRIM = R++;
src[TILDETRIM] = '(\\s*)' + src[LONETILDE] + '\\s+';
re[TILDETRIM] = new RegExp(src[TILDETRIM], 'g');
var tildeTrimReplace = '$1~';

var TILDE = R++;
src[TILDE] = '^' + src[LONETILDE] + src[XRANGEPLAIN] + '$';
var TILDELOOSE = R++;
src[TILDELOOSE] = '^' + src[LONETILDE] + src[XRANGEPLAINLOOSE] + '$';

// Caret ranges.
// Meaning is "at least and backwards compatible with"
var LONECARET = R++;
src[LONECARET] = '(?:\\^)';

var CARETTRIM = R++;
src[CARETTRIM] = '(\\s*)' + src[LONECARET] + '\\s+';
re[CARETTRIM] = new RegExp(src[CARETTRIM], 'g');
var caretTrimReplace = '$1^';

var CARET = R++;
src[CARET] = '^' + src[LONECARET] + src[XRANGEPLAIN] + '$';
var CARETLOOSE = R++;
src[CARETLOOSE] = '^' + src[LONECARET] + src[XRANGEPLAINLOOSE] + '$';

// A simple gt/lt/eq thing, or just "" to indicate "any version"
var COMPARATORLOOSE = R++;
src[COMPARATORLOOSE] = '^' + src[GTLT] + '\\s*(' + LOOSEPLAIN + ')$|^$';
var COMPARATOR = R++;
src[COMPARATOR] = '^' + src[GTLT] + '\\s*(' + FULLPLAIN + ')$|^$';


// An expression to strip any whitespace between the gtlt and the thing
// it modifies, so that `> 1.2.3` ==> `>1.2.3`
var COMPARATORTRIM = R++;
src[COMPARATORTRIM] = '(\\s*)' + src[GTLT] +
                      '\\s*(' + LOOSEPLAIN + '|' + src[XRANGEPLAIN] + ')';

// this one has to use the /g flag
re[COMPARATORTRIM] = new RegExp(src[COMPARATORTRIM], 'g');
var comparatorTrimReplace = '$1$2$3';


// Something like `1.2.3 - 1.2.4`
// Note that these all use the loose form, because they'll be
// checked against either the strict or loose comparator form
// later.
var HYPHENRANGE = R++;
src[HYPHENRANGE] = '^\\s*(' + src[XRANGEPLAIN] + ')' +
                   '\\s+-\\s+' +
                   '(' + src[XRANGEPLAIN] + ')' +
                   '\\s*$';

var HYPHENRANGELOOSE = R++;
src[HYPHENRANGELOOSE] = '^\\s*(' + src[XRANGEPLAINLOOSE] + ')' +
                        '\\s+-\\s+' +
                        '(' + src[XRANGEPLAINLOOSE] + ')' +
                        '\\s*$';

// Star ranges basically just allow anything at all.
var STAR = R++;
src[STAR] = '(<|>)?=?\\s*\\*';

// Compile to actual regexp objects.
// All are flag-free, unless they were created above with a flag.
for (var i = 0; i < R; i++) {
  debug(i, src[i]);
  if (!re[i])
    { re[i] = new RegExp(src[i]); }
}

exports.parse = parse;
function parse(version, loose) {
  if (version instanceof SemVer)
    { return version; }

  if (typeof version !== 'string')
    { return null; }

  if (version.length > MAX_LENGTH)
    { return null; }

  var r = loose ? re[LOOSE] : re[FULL];
  if (!r.test(version))
    { return null; }

  try {
    return new SemVer(version, loose);
  } catch (er) {
    return null;
  }
}

exports.valid = valid;
function valid(version, loose) {
  var v = parse(version, loose);
  return v ? v.version : null;
}


exports.clean = clean;
function clean(version, loose) {
  var s = parse(version.trim().replace(/^[=v]+/, ''), loose);
  return s ? s.version : null;
}

exports.SemVer = SemVer;

function SemVer(version, loose) {
  if (version instanceof SemVer) {
    if (version.loose === loose)
      { return version; }
    else
      { version = version.version; }
  } else if (typeof version !== 'string') {
    throw new TypeError('Invalid Version: ' + version);
  }

  if (version.length > MAX_LENGTH)
    { throw new TypeError('version is longer than ' + MAX_LENGTH + ' characters') }

  if (!(this instanceof SemVer))
    { return new SemVer(version, loose); }

  debug('SemVer', version, loose);
  this.loose = loose;
  var m = version.trim().match(loose ? re[LOOSE] : re[FULL]);

  if (!m)
    { throw new TypeError('Invalid Version: ' + version); }

  this.raw = version;

  // these are actually numbers
  this.major = +m[1];
  this.minor = +m[2];
  this.patch = +m[3];

  if (this.major > MAX_SAFE_INTEGER || this.major < 0)
    { throw new TypeError('Invalid major version') }

  if (this.minor > MAX_SAFE_INTEGER || this.minor < 0)
    { throw new TypeError('Invalid minor version') }

  if (this.patch > MAX_SAFE_INTEGER || this.patch < 0)
    { throw new TypeError('Invalid patch version') }

  // numberify any prerelease numeric ids
  if (!m[4])
    { this.prerelease = []; }
  else
    { this.prerelease = m[4].split('.').map(function(id) {
      if (/^[0-9]+$/.test(id)) {
        var num = +id;
        if (num >= 0 && num < MAX_SAFE_INTEGER)
          { return num; }
      }
      return id;
    }); }

  this.build = m[5] ? m[5].split('.') : [];
  this.format();
}

SemVer.prototype.format = function() {
  this.version = this.major + '.' + this.minor + '.' + this.patch;
  if (this.prerelease.length)
    { this.version += '-' + this.prerelease.join('.'); }
  return this.version;
};

SemVer.prototype.toString = function() {
  return this.version;
};

SemVer.prototype.compare = function(other) {
  debug('SemVer.compare', this.version, this.loose, other);
  if (!(other instanceof SemVer))
    { other = new SemVer(other, this.loose); }

  return this.compareMain(other) || this.comparePre(other);
};

SemVer.prototype.compareMain = function(other) {
  if (!(other instanceof SemVer))
    { other = new SemVer(other, this.loose); }

  return compareIdentifiers(this.major, other.major) ||
         compareIdentifiers(this.minor, other.minor) ||
         compareIdentifiers(this.patch, other.patch);
};

SemVer.prototype.comparePre = function(other) {
  var this$1 = this;

  if (!(other instanceof SemVer))
    { other = new SemVer(other, this.loose); }

  // NOT having a prerelease is > having one
  if (this.prerelease.length && !other.prerelease.length)
    { return -1; }
  else if (!this.prerelease.length && other.prerelease.length)
    { return 1; }
  else if (!this.prerelease.length && !other.prerelease.length)
    { return 0; }

  var i = 0;
  do {
    var a = this$1.prerelease[i];
    var b = other.prerelease[i];
    debug('prerelease compare', i, a, b);
    if (a === undefined && b === undefined)
      { return 0; }
    else if (b === undefined)
      { return 1; }
    else if (a === undefined)
      { return -1; }
    else if (a === b)
      { continue; }
    else
      { return compareIdentifiers(a, b); }
  } while (++i);
};

// preminor will bump the version up to the next minor release, and immediately
// down to pre-release. premajor and prepatch work the same way.
SemVer.prototype.inc = function(release, identifier) {
  var this$1 = this;

  switch (release) {
    case 'premajor':
      this.prerelease.length = 0;
      this.patch = 0;
      this.minor = 0;
      this.major++;
      this.inc('pre', identifier);
      break;
    case 'preminor':
      this.prerelease.length = 0;
      this.patch = 0;
      this.minor++;
      this.inc('pre', identifier);
      break;
    case 'prepatch':
      // If this is already a prerelease, it will bump to the next version
      // drop any prereleases that might already exist, since they are not
      // relevant at this point.
      this.prerelease.length = 0;
      this.inc('patch', identifier);
      this.inc('pre', identifier);
      break;
    // If the input is a non-prerelease version, this acts the same as
    // prepatch.
    case 'prerelease':
      if (this.prerelease.length === 0)
        { this.inc('patch', identifier); }
      this.inc('pre', identifier);
      break;

    case 'major':
      // If this is a pre-major version, bump up to the same major version.
      // Otherwise increment major.
      // 1.0.0-5 bumps to 1.0.0
      // 1.1.0 bumps to 2.0.0
      if (this.minor !== 0 || this.patch !== 0 || this.prerelease.length === 0)
        { this.major++; }
      this.minor = 0;
      this.patch = 0;
      this.prerelease = [];
      break;
    case 'minor':
      // If this is a pre-minor version, bump up to the same minor version.
      // Otherwise increment minor.
      // 1.2.0-5 bumps to 1.2.0
      // 1.2.1 bumps to 1.3.0
      if (this.patch !== 0 || this.prerelease.length === 0)
        { this.minor++; }
      this.patch = 0;
      this.prerelease = [];
      break;
    case 'patch':
      // If this is not a pre-release version, it will increment the patch.
      // If it is a pre-release it will bump up to the same patch version.
      // 1.2.0-5 patches to 1.2.0
      // 1.2.0 patches to 1.2.1
      if (this.prerelease.length === 0)
        { this.patch++; }
      this.prerelease = [];
      break;
    // This probably shouldn't be used publicly.
    // 1.0.0 "pre" would become 1.0.0-0 which is the wrong direction.
    case 'pre':
      if (this.prerelease.length === 0)
        { this.prerelease = [0]; }
      else {
        var i = this.prerelease.length;
        while (--i >= 0) {
          if (typeof this$1.prerelease[i] === 'number') {
            this$1.prerelease[i]++;
            i = -2;
          }
        }
        if (i === -1) // didn't increment anything
          { this.prerelease.push(0); }
      }
      if (identifier) {
        // 1.2.0-beta.1 bumps to 1.2.0-beta.2,
        // 1.2.0-beta.fooblz or 1.2.0-beta bumps to 1.2.0-beta.0
        if (this.prerelease[0] === identifier) {
          if (isNaN(this.prerelease[1]))
            { this.prerelease = [identifier, 0]; }
        } else
          { this.prerelease = [identifier, 0]; }
      }
      break;

    default:
      throw new Error('invalid increment argument: ' + release);
  }
  this.format();
  this.raw = this.version;
  return this;
};

exports.inc = inc;
function inc(version, release, loose, identifier) {
  if (typeof(loose) === 'string') {
    identifier = loose;
    loose = undefined;
  }

  try {
    return new SemVer(version, loose).inc(release, identifier).version;
  } catch (er) {
    return null;
  }
}

exports.diff = diff;
function diff(version1, version2) {
  if (eq(version1, version2)) {
    return null;
  } else {
    var v1 = parse(version1);
    var v2 = parse(version2);
    if (v1.prerelease.length || v2.prerelease.length) {
      for (var key in v1) {
        if (key === 'major' || key === 'minor' || key === 'patch') {
          if (v1[key] !== v2[key]) {
            return 'pre'+key;
          }
        }
      }
      return 'prerelease';
    }
    for (var key in v1) {
      if (key === 'major' || key === 'minor' || key === 'patch') {
        if (v1[key] !== v2[key]) {
          return key;
        }
      }
    }
  }
}

exports.compareIdentifiers = compareIdentifiers;

var numeric = /^[0-9]+$/;
function compareIdentifiers(a, b) {
  var anum = numeric.test(a);
  var bnum = numeric.test(b);

  if (anum && bnum) {
    a = +a;
    b = +b;
  }

  return (anum && !bnum) ? -1 :
         (bnum && !anum) ? 1 :
         a < b ? -1 :
         a > b ? 1 :
         0;
}

exports.rcompareIdentifiers = rcompareIdentifiers;
function rcompareIdentifiers(a, b) {
  return compareIdentifiers(b, a);
}

exports.major = major;
function major(a, loose) {
  return new SemVer(a, loose).major;
}

exports.minor = minor;
function minor(a, loose) {
  return new SemVer(a, loose).minor;
}

exports.patch = patch;
function patch(a, loose) {
  return new SemVer(a, loose).patch;
}

exports.compare = compare;
function compare(a, b, loose) {
  return new SemVer(a, loose).compare(new SemVer(b, loose));
}

exports.compareLoose = compareLoose;
function compareLoose(a, b) {
  return compare(a, b, true);
}

exports.rcompare = rcompare;
function rcompare(a, b, loose) {
  return compare(b, a, loose);
}

exports.sort = sort;
function sort(list, loose) {
  return list.sort(function(a, b) {
    return exports.compare(a, b, loose);
  });
}

exports.rsort = rsort;
function rsort(list, loose) {
  return list.sort(function(a, b) {
    return exports.rcompare(a, b, loose);
  });
}

exports.gt = gt;
function gt(a, b, loose) {
  return compare(a, b, loose) > 0;
}

exports.lt = lt;
function lt(a, b, loose) {
  return compare(a, b, loose) < 0;
}

exports.eq = eq;
function eq(a, b, loose) {
  return compare(a, b, loose) === 0;
}

exports.neq = neq;
function neq(a, b, loose) {
  return compare(a, b, loose) !== 0;
}

exports.gte = gte;
function gte(a, b, loose) {
  return compare(a, b, loose) >= 0;
}

exports.lte = lte;
function lte(a, b, loose) {
  return compare(a, b, loose) <= 0;
}

exports.cmp = cmp;
function cmp(a, op, b, loose) {
  var ret;
  switch (op) {
    case '===':
      if (typeof a === 'object') { a = a.version; }
      if (typeof b === 'object') { b = b.version; }
      ret = a === b;
      break;
    case '!==':
      if (typeof a === 'object') { a = a.version; }
      if (typeof b === 'object') { b = b.version; }
      ret = a !== b;
      break;
    case '': case '=': case '==': ret = eq(a, b, loose); break;
    case '!=': ret = neq(a, b, loose); break;
    case '>': ret = gt(a, b, loose); break;
    case '>=': ret = gte(a, b, loose); break;
    case '<': ret = lt(a, b, loose); break;
    case '<=': ret = lte(a, b, loose); break;
    default: throw new TypeError('Invalid operator: ' + op);
  }
  return ret;
}

exports.Comparator = Comparator;
function Comparator(comp, loose) {
  if (comp instanceof Comparator) {
    if (comp.loose === loose)
      { return comp; }
    else
      { comp = comp.value; }
  }

  if (!(this instanceof Comparator))
    { return new Comparator(comp, loose); }

  debug('comparator', comp, loose);
  this.loose = loose;
  this.parse(comp);

  if (this.semver === ANY)
    { this.value = ''; }
  else
    { this.value = this.operator + this.semver.version; }

  debug('comp', this);
}

var ANY = {};
Comparator.prototype.parse = function(comp) {
  var r = this.loose ? re[COMPARATORLOOSE] : re[COMPARATOR];
  var m = comp.match(r);

  if (!m)
    { throw new TypeError('Invalid comparator: ' + comp); }

  this.operator = m[1];
  if (this.operator === '=')
    { this.operator = ''; }

  // if it literally is just '>' or '' then allow anything.
  if (!m[2])
    { this.semver = ANY; }
  else
    { this.semver = new SemVer(m[2], this.loose); }
};

Comparator.prototype.toString = function() {
  return this.value;
};

Comparator.prototype.test = function(version) {
  debug('Comparator.test', version, this.loose);

  if (this.semver === ANY)
    { return true; }

  if (typeof version === 'string')
    { version = new SemVer(version, this.loose); }

  return cmp(version, this.operator, this.semver, this.loose);
};

Comparator.prototype.intersects = function(comp, loose) {
  if (!(comp instanceof Comparator)) {
    throw new TypeError('a Comparator is required');
  }

  var rangeTmp;

  if (this.operator === '') {
    rangeTmp = new Range(comp.value, loose);
    return satisfies(this.value, rangeTmp, loose);
  } else if (comp.operator === '') {
    rangeTmp = new Range(this.value, loose);
    return satisfies(comp.semver, rangeTmp, loose);
  }

  var sameDirectionIncreasing =
    (this.operator === '>=' || this.operator === '>') &&
    (comp.operator === '>=' || comp.operator === '>');
  var sameDirectionDecreasing =
    (this.operator === '<=' || this.operator === '<') &&
    (comp.operator === '<=' || comp.operator === '<');
  var sameSemVer = this.semver.version === comp.semver.version;
  var differentDirectionsInclusive =
    (this.operator === '>=' || this.operator === '<=') &&
    (comp.operator === '>=' || comp.operator === '<=');
  var oppositeDirectionsLessThan =
    cmp(this.semver, '<', comp.semver, loose) &&
    ((this.operator === '>=' || this.operator === '>') &&
    (comp.operator === '<=' || comp.operator === '<'));
  var oppositeDirectionsGreaterThan =
    cmp(this.semver, '>', comp.semver, loose) &&
    ((this.operator === '<=' || this.operator === '<') &&
    (comp.operator === '>=' || comp.operator === '>'));

  return sameDirectionIncreasing || sameDirectionDecreasing ||
    (sameSemVer && differentDirectionsInclusive) ||
    oppositeDirectionsLessThan || oppositeDirectionsGreaterThan;
};


exports.Range = Range;
function Range(range, loose) {
  if (range instanceof Range) {
    if (range.loose === loose) {
      return range;
    } else {
      return new Range(range.raw, loose);
    }
  }

  if (range instanceof Comparator) {
    return new Range(range.value, loose);
  }

  if (!(this instanceof Range))
    { return new Range(range, loose); }

  this.loose = loose;

  // First, split based on boolean or ||
  this.raw = range;
  this.set = range.split(/\s*\|\|\s*/).map(function(range) {
    return this.parseRange(range.trim());
  }, this).filter(function(c) {
    // throw out any that are not relevant for whatever reason
    return c.length;
  });

  if (!this.set.length) {
    throw new TypeError('Invalid SemVer Range: ' + range);
  }

  this.format();
}

Range.prototype.format = function() {
  this.range = this.set.map(function(comps) {
    return comps.join(' ').trim();
  }).join('||').trim();
  return this.range;
};

Range.prototype.toString = function() {
  return this.range;
};

Range.prototype.parseRange = function(range) {
  var loose = this.loose;
  range = range.trim();
  debug('range', range, loose);
  // `1.2.3 - 1.2.4` => `>=1.2.3 <=1.2.4`
  var hr = loose ? re[HYPHENRANGELOOSE] : re[HYPHENRANGE];
  range = range.replace(hr, hyphenReplace);
  debug('hyphen replace', range);
  // `> 1.2.3 < 1.2.5` => `>1.2.3 <1.2.5`
  range = range.replace(re[COMPARATORTRIM], comparatorTrimReplace);
  debug('comparator trim', range, re[COMPARATORTRIM]);

  // `~ 1.2.3` => `~1.2.3`
  range = range.replace(re[TILDETRIM], tildeTrimReplace);

  // `^ 1.2.3` => `^1.2.3`
  range = range.replace(re[CARETTRIM], caretTrimReplace);

  // normalize spaces
  range = range.split(/\s+/).join(' ');

  // At this point, the range is completely trimmed and
  // ready to be split into comparators.

  var compRe = loose ? re[COMPARATORLOOSE] : re[COMPARATOR];
  var set = range.split(' ').map(function(comp) {
    return parseComparator(comp, loose);
  }).join(' ').split(/\s+/);
  if (this.loose) {
    // in loose mode, throw out any that are not valid comparators
    set = set.filter(function(comp) {
      return !!comp.match(compRe);
    });
  }
  set = set.map(function(comp) {
    return new Comparator(comp, loose);
  });

  return set;
};

Range.prototype.intersects = function(range, loose) {
  if (!(range instanceof Range)) {
    throw new TypeError('a Range is required');
  }

  return this.set.some(function(thisComparators) {
    return thisComparators.every(function(thisComparator) {
      return range.set.some(function(rangeComparators) {
        return rangeComparators.every(function(rangeComparator) {
          return thisComparator.intersects(rangeComparator, loose);
        });
      });
    });
  });
};

// Mostly just for testing and legacy API reasons
exports.toComparators = toComparators;
function toComparators(range, loose) {
  return new Range(range, loose).set.map(function(comp) {
    return comp.map(function(c) {
      return c.value;
    }).join(' ').trim().split(' ');
  });
}

// comprised of xranges, tildes, stars, and gtlt's at this point.
// already replaced the hyphen ranges
// turn into a set of JUST comparators.
function parseComparator(comp, loose) {
  debug('comp', comp);
  comp = replaceCarets(comp, loose);
  debug('caret', comp);
  comp = replaceTildes(comp, loose);
  debug('tildes', comp);
  comp = replaceXRanges(comp, loose);
  debug('xrange', comp);
  comp = replaceStars(comp, loose);
  debug('stars', comp);
  return comp;
}

function isX(id) {
  return !id || id.toLowerCase() === 'x' || id === '*';
}

// ~, ~> --> * (any, kinda silly)
// ~2, ~2.x, ~2.x.x, ~>2, ~>2.x ~>2.x.x --> >=2.0.0 <3.0.0
// ~2.0, ~2.0.x, ~>2.0, ~>2.0.x --> >=2.0.0 <2.1.0
// ~1.2, ~1.2.x, ~>1.2, ~>1.2.x --> >=1.2.0 <1.3.0
// ~1.2.3, ~>1.2.3 --> >=1.2.3 <1.3.0
// ~1.2.0, ~>1.2.0 --> >=1.2.0 <1.3.0
function replaceTildes(comp, loose) {
  return comp.trim().split(/\s+/).map(function(comp) {
    return replaceTilde(comp, loose);
  }).join(' ');
}

function replaceTilde(comp, loose) {
  var r = loose ? re[TILDELOOSE] : re[TILDE];
  return comp.replace(r, function(_, M, m, p, pr) {
    debug('tilde', comp, _, M, m, p, pr);
    var ret;

    if (isX(M))
      { ret = ''; }
    else if (isX(m))
      { ret = '>=' + M + '.0.0 <' + (+M + 1) + '.0.0'; }
    else if (isX(p))
      // ~1.2 == >=1.2.0 <1.3.0
      { ret = '>=' + M + '.' + m + '.0 <' + M + '.' + (+m + 1) + '.0'; }
    else if (pr) {
      debug('replaceTilde pr', pr);
      if (pr.charAt(0) !== '-')
        { pr = '-' + pr; }
      ret = '>=' + M + '.' + m + '.' + p + pr +
            ' <' + M + '.' + (+m + 1) + '.0';
    } else
      // ~1.2.3 == >=1.2.3 <1.3.0
      { ret = '>=' + M + '.' + m + '.' + p +
            ' <' + M + '.' + (+m + 1) + '.0'; }

    debug('tilde return', ret);
    return ret;
  });
}

// ^ --> * (any, kinda silly)
// ^2, ^2.x, ^2.x.x --> >=2.0.0 <3.0.0
// ^2.0, ^2.0.x --> >=2.0.0 <3.0.0
// ^1.2, ^1.2.x --> >=1.2.0 <2.0.0
// ^1.2.3 --> >=1.2.3 <2.0.0
// ^1.2.0 --> >=1.2.0 <2.0.0
function replaceCarets(comp, loose) {
  return comp.trim().split(/\s+/).map(function(comp) {
    return replaceCaret(comp, loose);
  }).join(' ');
}

function replaceCaret(comp, loose) {
  debug('caret', comp, loose);
  var r = loose ? re[CARETLOOSE] : re[CARET];
  return comp.replace(r, function(_, M, m, p, pr) {
    debug('caret', comp, _, M, m, p, pr);
    var ret;

    if (isX(M))
      { ret = ''; }
    else if (isX(m))
      { ret = '>=' + M + '.0.0 <' + (+M + 1) + '.0.0'; }
    else if (isX(p)) {
      if (M === '0')
        { ret = '>=' + M + '.' + m + '.0 <' + M + '.' + (+m + 1) + '.0'; }
      else
        { ret = '>=' + M + '.' + m + '.0 <' + (+M + 1) + '.0.0'; }
    } else if (pr) {
      debug('replaceCaret pr', pr);
      if (pr.charAt(0) !== '-')
        { pr = '-' + pr; }
      if (M === '0') {
        if (m === '0')
          { ret = '>=' + M + '.' + m + '.' + p + pr +
                ' <' + M + '.' + m + '.' + (+p + 1); }
        else
          { ret = '>=' + M + '.' + m + '.' + p + pr +
                ' <' + M + '.' + (+m + 1) + '.0'; }
      } else
        { ret = '>=' + M + '.' + m + '.' + p + pr +
              ' <' + (+M + 1) + '.0.0'; }
    } else {
      debug('no pr');
      if (M === '0') {
        if (m === '0')
          { ret = '>=' + M + '.' + m + '.' + p +
                ' <' + M + '.' + m + '.' + (+p + 1); }
        else
          { ret = '>=' + M + '.' + m + '.' + p +
                ' <' + M + '.' + (+m + 1) + '.0'; }
      } else
        { ret = '>=' + M + '.' + m + '.' + p +
              ' <' + (+M + 1) + '.0.0'; }
    }

    debug('caret return', ret);
    return ret;
  });
}

function replaceXRanges(comp, loose) {
  debug('replaceXRanges', comp, loose);
  return comp.split(/\s+/).map(function(comp) {
    return replaceXRange(comp, loose);
  }).join(' ');
}

function replaceXRange(comp, loose) {
  comp = comp.trim();
  var r = loose ? re[XRANGELOOSE] : re[XRANGE];
  return comp.replace(r, function(ret, gtlt, M, m, p, pr) {
    debug('xRange', comp, ret, gtlt, M, m, p, pr);
    var xM = isX(M);
    var xm = xM || isX(m);
    var xp = xm || isX(p);
    var anyX = xp;

    if (gtlt === '=' && anyX)
      { gtlt = ''; }

    if (xM) {
      if (gtlt === '>' || gtlt === '<') {
        // nothing is allowed
        ret = '<0.0.0';
      } else {
        // nothing is forbidden
        ret = '*';
      }
    } else if (gtlt && anyX) {
      // replace X with 0
      if (xm)
        { m = 0; }
      if (xp)
        { p = 0; }

      if (gtlt === '>') {
        // >1 => >=2.0.0
        // >1.2 => >=1.3.0
        // >1.2.3 => >= 1.2.4
        gtlt = '>=';
        if (xm) {
          M = +M + 1;
          m = 0;
          p = 0;
        } else if (xp) {
          m = +m + 1;
          p = 0;
        }
      } else if (gtlt === '<=') {
        // <=0.7.x is actually <0.8.0, since any 0.7.x should
        // pass.  Similarly, <=7.x is actually <8.0.0, etc.
        gtlt = '<';
        if (xm)
          { M = +M + 1; }
        else
          { m = +m + 1; }
      }

      ret = gtlt + M + '.' + m + '.' + p;
    } else if (xm) {
      ret = '>=' + M + '.0.0 <' + (+M + 1) + '.0.0';
    } else if (xp) {
      ret = '>=' + M + '.' + m + '.0 <' + M + '.' + (+m + 1) + '.0';
    }

    debug('xRange return', ret);

    return ret;
  });
}

// Because * is AND-ed with everything else in the comparator,
// and '' means "any version", just remove the *s entirely.
function replaceStars(comp, loose) {
  debug('replaceStars', comp, loose);
  // Looseness is ignored here.  star is always as loose as it gets!
  return comp.trim().replace(re[STAR], '');
}

// This function is passed to string.replace(re[HYPHENRANGE])
// M, m, patch, prerelease, build
// 1.2 - 3.4.5 => >=1.2.0 <=3.4.5
// 1.2.3 - 3.4 => >=1.2.0 <3.5.0 Any 3.4.x will do
// 1.2 - 3.4 => >=1.2.0 <3.5.0
function hyphenReplace($0,
                       from, fM, fm, fp, fpr, fb,
                       to, tM, tm, tp, tpr, tb) {

  if (isX(fM))
    { from = ''; }
  else if (isX(fm))
    { from = '>=' + fM + '.0.0'; }
  else if (isX(fp))
    { from = '>=' + fM + '.' + fm + '.0'; }
  else
    { from = '>=' + from; }

  if (isX(tM))
    { to = ''; }
  else if (isX(tm))
    { to = '<' + (+tM + 1) + '.0.0'; }
  else if (isX(tp))
    { to = '<' + tM + '.' + (+tm + 1) + '.0'; }
  else if (tpr)
    { to = '<=' + tM + '.' + tm + '.' + tp + '-' + tpr; }
  else
    { to = '<=' + to; }

  return (from + ' ' + to).trim();
}


// if ANY of the sets match ALL of its comparators, then pass
Range.prototype.test = function(version) {
  var this$1 = this;

  if (!version)
    { return false; }

  if (typeof version === 'string')
    { version = new SemVer(version, this.loose); }

  for (var i = 0; i < this.set.length; i++) {
    if (testSet(this$1.set[i], version))
      { return true; }
  }
  return false;
};

function testSet(set, version) {
  for (var i = 0; i < set.length; i++) {
    if (!set[i].test(version))
      { return false; }
  }

  if (version.prerelease.length) {
    // Find the set of versions that are allowed to have prereleases
    // For example, ^1.2.3-pr.1 desugars to >=1.2.3-pr.1 <2.0.0
    // That should allow `1.2.3-pr.2` to pass.
    // However, `1.2.4-alpha.notready` should NOT be allowed,
    // even though it's within the range set by the comparators.
    for (var i = 0; i < set.length; i++) {
      debug(set[i].semver);
      if (set[i].semver === ANY)
        { continue; }

      if (set[i].semver.prerelease.length > 0) {
        var allowed = set[i].semver;
        if (allowed.major === version.major &&
            allowed.minor === version.minor &&
            allowed.patch === version.patch)
          { return true; }
      }
    }

    // Version has a -pre, but it's not one of the ones we like.
    return false;
  }

  return true;
}

exports.satisfies = satisfies;
function satisfies(version, range, loose) {
  try {
    range = new Range(range, loose);
  } catch (er) {
    return false;
  }
  return range.test(version);
}

exports.maxSatisfying = maxSatisfying;
function maxSatisfying(versions, range, loose) {
  var max = null;
  var maxSV = null;
  try {
    var rangeObj = new Range(range, loose);
  } catch (er) {
    return null;
  }
  versions.forEach(function (v) {
    if (rangeObj.test(v)) { // satisfies(v, range, loose)
      if (!max || maxSV.compare(v) === -1) { // compare(max, v, true)
        max = v;
        maxSV = new SemVer(max, loose);
      }
    }
  });
  return max;
}

exports.minSatisfying = minSatisfying;
function minSatisfying(versions, range, loose) {
  var min = null;
  var minSV = null;
  try {
    var rangeObj = new Range(range, loose);
  } catch (er) {
    return null;
  }
  versions.forEach(function (v) {
    if (rangeObj.test(v)) { // satisfies(v, range, loose)
      if (!min || minSV.compare(v) === 1) { // compare(min, v, true)
        min = v;
        minSV = new SemVer(min, loose);
      }
    }
  });
  return min;
}

exports.validRange = validRange;
function validRange(range, loose) {
  try {
    // Return '*' instead of '' so that truthiness works.
    // This will throw if it's invalid anyway
    return new Range(range, loose).range || '*';
  } catch (er) {
    return null;
  }
}

// Determine if version is less than all the versions possible in the range
exports.ltr = ltr;
function ltr(version, range, loose) {
  return outside(version, range, '<', loose);
}

// Determine if version is greater than all the versions possible in the range.
exports.gtr = gtr;
function gtr(version, range, loose) {
  return outside(version, range, '>', loose);
}

exports.outside = outside;
function outside(version, range, hilo, loose) {
  version = new SemVer(version, loose);
  range = new Range(range, loose);

  var gtfn, ltefn, ltfn, comp, ecomp;
  switch (hilo) {
    case '>':
      gtfn = gt;
      ltefn = lte;
      ltfn = lt;
      comp = '>';
      ecomp = '>=';
      break;
    case '<':
      gtfn = lt;
      ltefn = gte;
      ltfn = gt;
      comp = '<';
      ecomp = '<=';
      break;
    default:
      throw new TypeError('Must provide a hilo val of "<" or ">"');
  }

  // If it satisifes the range it is not outside
  if (satisfies(version, range, loose)) {
    return false;
  }

  // From now on, variable terms are as if we're in "gtr" mode.
  // but note that everything is flipped for the "ltr" function.

  for (var i = 0; i < range.set.length; ++i) {
    var comparators = range.set[i];

    var high = null;
    var low = null;

    comparators.forEach(function(comparator) {
      if (comparator.semver === ANY) {
        comparator = new Comparator('>=0.0.0');
      }
      high = high || comparator;
      low = low || comparator;
      if (gtfn(comparator.semver, high.semver, loose)) {
        high = comparator;
      } else if (ltfn(comparator.semver, low.semver, loose)) {
        low = comparator;
      }
    });

    // If the edge version comparator has a operator then our version
    // isn't outside it
    if (high.operator === comp || high.operator === ecomp) {
      return false;
    }

    // If the lowest version comparator has an operator and our version
    // is less than it then it isn't higher than the range
    if ((!low.operator || low.operator === comp) &&
        ltefn(version, low.semver)) {
      return false;
    } else if (low.operator === ecomp && ltfn(version, low.semver)) {
      return false;
    }
  }
  return true;
}

exports.prerelease = prerelease;
function prerelease(version, loose) {
  var parsed = parse(version, loose);
  return (parsed && parsed.prerelease.length) ? parsed.prerelease : null;
}

exports.intersects = intersects;
function intersects(r1, r2, loose) {
  r1 = new Range(r1, loose);
  r2 = new Range(r2, loose);
  return r1.intersects(r2)
}

exports.coerce = coerce;
function coerce(version) {
  if (version instanceof SemVer)
    { return version; }

  if (typeof version !== 'string')
    { return null; }

  var match = version.match(re[COERCE]);

  if (match == null)
    { return null; }

  return parse((match[1] || '0') + '.' + (match[2] || '0') + '.' + (match[3] || '0')); 
}
});
var semver_1$1 = semver$1.SEMVER_SPEC_VERSION;
var semver_2$1 = semver$1.re;
var semver_3$1 = semver$1.src;
var semver_4$1 = semver$1.parse;
var semver_5$1 = semver$1.valid;
var semver_6$1 = semver$1.clean;
var semver_7$1 = semver$1.SemVer;
var semver_8$1 = semver$1.inc;
var semver_9$1 = semver$1.diff;
var semver_10$1 = semver$1.compareIdentifiers;
var semver_11$1 = semver$1.rcompareIdentifiers;
var semver_12$1 = semver$1.major;
var semver_13$1 = semver$1.minor;
var semver_14$1 = semver$1.patch;
var semver_15$1 = semver$1.compare;
var semver_16$1 = semver$1.compareLoose;
var semver_17$1 = semver$1.rcompare;
var semver_18$1 = semver$1.sort;
var semver_19$1 = semver$1.rsort;
var semver_20$1 = semver$1.gt;
var semver_21$1 = semver$1.lt;
var semver_22$1 = semver$1.eq;
var semver_23$1 = semver$1.neq;
var semver_24$1 = semver$1.gte;
var semver_25$1 = semver$1.lte;
var semver_26$1 = semver$1.cmp;
var semver_27$1 = semver$1.Comparator;
var semver_28$1 = semver$1.Range;
var semver_29$1 = semver$1.toComparators;
var semver_30$1 = semver$1.satisfies;
var semver_31$1 = semver$1.maxSatisfying;
var semver_32$1 = semver$1.minSatisfying;
var semver_33$1 = semver$1.validRange;
var semver_34$1 = semver$1.ltr;
var semver_35$1 = semver$1.gtr;
var semver_36$1 = semver$1.outside;
var semver_37$1 = semver$1.prerelease;
var semver_38$1 = semver$1.intersects;
var semver_39$1 = semver$1.coerce;

// 

function isValidSlot(slot) {
  return isVueComponent(slot) || typeof slot === 'string'
}

function requiresTemplateCompiler(slot) {
  if (typeof slot === 'string' && !vueTemplateCompiler.compileToFunctions) {
    throwError(
      "vueTemplateCompiler is undefined, you must pass " +
        "precompiled components if vue-template-compiler is " +
        "undefined"
    );
  }
}

function validateSlots(slots) {
  Object.keys(slots).forEach(function (key) {
    var slot = Array.isArray(slots[key]) ? slots[key] : [slots[key]];

    slot.forEach(function (slotValue) {
      if (!isValidSlot(slotValue)) {
        throwError(
          "slots[key] must be a Component, string or an array " +
            "of Components"
        );
      }
      requiresTemplateCompiler(slotValue);
    });
  });
}

function vueExtendUnsupportedOption(option) {
  return (
    "options." + option + " is not supported for " +
    "components created with Vue.extend in Vue < 2.3. " +
    "You can set " + option + " to false to mount the component."
  )
}
// these options aren't supported if Vue is version < 2.3
// for components using Vue.extend. This is due to a bug
// that means the mixins we use to add properties are not applied
// correctly
var UNSUPPORTED_VERSION_OPTIONS = ['mocks', 'stubs', 'localVue'];

function validateOptions(options, component) {
  if (options.parentComponent && !isPlainObject(options.parentComponent)) {
    throwError(
      "options.parentComponent should be a valid Vue component options object"
    );
  }

  if (!isFunctionalComponent(component) && options.context) {
    throwError(
      "mount.context can only be used when mounting a functional component"
    );
  }

  if (options.context && !isPlainObject(options.context)) {
    throwError('mount.context must be an object');
  }

  if (VUE_VERSION < 2.3 && isConstructor(component)) {
    UNSUPPORTED_VERSION_OPTIONS.forEach(function (option) {
      if (options[option]) {
        throwError(vueExtendUnsupportedOption(option));
      }
    });
  }

  if (options.slots) {
    compileTemplateForSlots(options.slots);
    // validate slots outside of the createSlots function so
    // that we can throw an error without it being caught by
    // the Vue error handler
    // $FlowIgnore
    validateSlots(options.slots);
  }
}

// 

Vue.config.productionTip = false;
Vue.config.devtools = false;

function getSyncOption(syncOption) {
  if (syncOption === false) {
    Vue.config.async = true;
    return false
  }
  if (semver$1.lt(Vue.version, '2.5.18')) {
    warn(
      "Vue Test Utils runs in sync mode by default. Due to bugs, sync mode " +
        "requires Vue > 2.5.18. In Vue Test Utils 1.0 sync mode will only be " +
        "supported with Vue 2.5.18+ running in development mode. If you are " +
        "unable to upgrade, you should rewrite your tests to run asynchronously" +
        "you can do this by setting the sync mounting option to false."
    );
    return COMPAT_SYNC_MODE
  }

  if (typeof Vue.config.async === 'undefined') {
    warn(
      "Sync mode only works when Vue runs in dev mode. " +
        "Please set Vue to run in dev mode, or set sync to false"
    );
  }

  Vue.config.async = false;
  return true
}

function mount(
  component,
  options
) {
  if ( options === void 0 ) options = {};

  warnIfNoWindow();

  addGlobalErrorHandler(Vue);

  var _Vue = createLocalVue(options.localVue);

  var mergedOptions = mergeOptions(options, config);

  validateOptions(mergedOptions, component);

  var parentVm = createInstance(component, mergedOptions, _Vue);

  var el = options.attachToDocument ? createElement() : undefined;
  var vm = parentVm.$mount(el);

  component._Ctor = {};

  throwIfInstancesThrew(vm);
  var sync = getSyncOption(mergedOptions.sync);

  var wrapperOptions = {
    attachedToDocument: !!mergedOptions.attachToDocument,
    sync: sync
  };

  var root = parentVm.$options._isFunctionalContainer
    ? vm._vnode
    : vm.$children[0];

  return createWrapper(root, wrapperOptions)
}

// 


function shallowMount(
  component,
  options
) {
  if ( options === void 0 ) options = {};

  return mount(component, Object.assign({}, options,
    {shouldProxy: true}))
}

// 
var toTypes = [String, Object];
var eventTypes = [String, Array];

var RouterLinkStub = {
  name: 'RouterLinkStub',
  props: {
    to: {
      type: toTypes,
      required: true
    },
    tag: {
      type: String,
      default: 'a'
    },
    exact: Boolean,
    append: Boolean,
    replace: Boolean,
    activeClass: String,
    exactActiveClass: String,
    event: {
      type: eventTypes,
      default: 'click'
    }
  },
  render: function render(h) {
    return h(this.tag, undefined, this.$slots.default)
  }
}

function shallow(component, options) {
  warn(
    "shallow has been renamed to shallowMount. shallow " +
      "will be removed in 1.0.0, use shallowMount instead"
  );
  return shallowMount(component, options)
}

var index = {
  createLocalVue: createLocalVue,
  createWrapper: createWrapper,
  config: config,
  mount: mount,
  shallow: shallow,
  shallowMount: shallowMount,
  TransitionStub: TransitionStub,
  TransitionGroupStub: TransitionGroupStub,
  RouterLinkStub: RouterLinkStub,
  Wrapper: Wrapper,
  WrapperArray: WrapperArray
}

module.exports = index;