]].\n var optionsProp = options['[[' + _property + ']]'];\n\n // ii. Let formatPropDesc be the result of calling the [[GetOwnProperty]] internal method of format\n // with argument property.\n // iii. If formatPropDesc is not undefined, then\n // 1. Let formatProp be the result of calling the [[Get]] internal method of format with argument property.\n var formatProp = hop.call(format, _property) ? format[_property] : undefined;\n\n // Diverging: using the default properties produced by the pattern/skeleton\n // to match it with user options, and apply a penalty\n var patternProp = hop.call(format._, _property) ? format._[_property] : undefined;\n if (optionsProp !== patternProp) {\n score -= patternPenalty;\n }\n\n // iv. If optionsProp is undefined and formatProp is not undefined, then decrease score by\n // additionPenalty.\n if (optionsProp === undefined && formatProp !== undefined) score -= additionPenalty;\n\n // v. Else if optionsProp is not undefined and formatProp is undefined, then decrease score by\n // removalPenalty.\n else if (optionsProp !== undefined && formatProp === undefined) score -= removalPenalty;\n\n // vi. Else\n else {\n // 1. Let values be the array [\"2-digit\", \"numeric\", \"narrow\", \"short\",\n // \"long\"].\n var values = ['2-digit', 'numeric', 'narrow', 'short', 'long'];\n\n // 2. Let optionsPropIndex be the index of optionsProp within values.\n var optionsPropIndex = arrIndexOf.call(values, optionsProp);\n\n // 3. Let formatPropIndex be the index of formatProp within values.\n var formatPropIndex = arrIndexOf.call(values, formatProp);\n\n // 4. Let delta be max(min(formatPropIndex - optionsPropIndex, 2), -2).\n var delta = Math.max(Math.min(formatPropIndex - optionsPropIndex, 2), -2);\n\n {\n // diverging from spec\n // When the bestFit argument is true, subtract additional penalty where data types are not the same\n if (formatPropIndex <= 1 && optionsPropIndex >= 2 || formatPropIndex >= 2 && optionsPropIndex <= 1) {\n // 5. If delta = 2, decrease score by longMorePenalty.\n if (delta > 0) score -= longMorePenalty;else if (delta < 0) score -= longLessPenalty;\n } else {\n // 5. If delta = 2, decrease score by longMorePenalty.\n if (delta > 1) score -= shortMorePenalty;else if (delta < -1) score -= shortLessPenalty;\n }\n }\n }\n }\n\n {\n // diverging to also take into consideration differences between 12 or 24 hours\n // which is special for the best fit only.\n if (format._.hour12 !== options.hour12) {\n score -= hour12Penalty;\n }\n }\n\n // d. If score > bestScore, then\n if (score > bestScore) {\n // i. Let bestScore be score.\n bestScore = score;\n // ii. Let bestFormat be format.\n bestFormat = format;\n }\n\n // e. Increase i by 1.\n i++;\n }\n\n // 13. Return bestFormat.\n return bestFormat;\n}\n\n/* 12.2.3 */internals.DateTimeFormat = {\n '[[availableLocales]]': [],\n '[[relevantExtensionKeys]]': ['ca', 'nu'],\n '[[localeData]]': {}\n};\n\n/**\n * When the supportedLocalesOf method of Intl.DateTimeFormat is called, the\n * following steps are taken:\n */\n/* 12.2.2 */\ndefineProperty(Intl.DateTimeFormat, 'supportedLocalesOf', {\n configurable: true,\n writable: true,\n value: fnBind.call(function (locales) {\n // Bound functions only have the `this` value altered if being used as a constructor,\n // this lets us imitate a native function that has no constructor\n if (!hop.call(this, '[[availableLocales]]')) throw new TypeError('supportedLocalesOf() is not a constructor');\n\n // Create an object whose props can be used to restore the values of RegExp props\n var regexpRestore = createRegExpRestore(),\n\n\n // 1. If options is not provided, then let options be undefined.\n options = arguments[1],\n\n\n // 2. Let availableLocales be the value of the [[availableLocales]] internal\n // property of the standard built-in object that is the initial value of\n // Intl.NumberFormat.\n\n availableLocales = this['[[availableLocales]]'],\n\n\n // 3. Let requestedLocales be the result of calling the CanonicalizeLocaleList\n // abstract operation (defined in 9.2.1) with argument locales.\n requestedLocales = CanonicalizeLocaleList(locales);\n\n // Restore the RegExp properties\n regexpRestore();\n\n // 4. Return the result of calling the SupportedLocales abstract operation\n // (defined in 9.2.8) with arguments availableLocales, requestedLocales,\n // and options.\n return SupportedLocales(availableLocales, requestedLocales, options);\n }, internals.NumberFormat)\n});\n\n/**\n * This named accessor property returns a function that formats a number\n * according to the effective locale and the formatting options of this\n * DateTimeFormat object.\n */\n/* 12.3.2 */defineProperty(Intl.DateTimeFormat.prototype, 'format', {\n configurable: true,\n get: GetFormatDateTime\n});\n\nfunction GetFormatDateTime() {\n var internal = this !== null && babelHelpers$1[\"typeof\"](this) === 'object' && getInternalProperties(this);\n\n // Satisfy test 12.3_b\n if (!internal || !internal['[[initializedDateTimeFormat]]']) throw new TypeError('`this` value for format() is not an initialized Intl.DateTimeFormat object.');\n\n // The value of the [[Get]] attribute is a function that takes the following\n // steps:\n\n // 1. If the [[boundFormat]] internal property of this DateTimeFormat object\n // is undefined, then:\n if (internal['[[boundFormat]]'] === undefined) {\n // a. Let F be a Function object, with internal properties set as\n // specified for built-in functions in ES5, 15, or successor, and the\n // length property set to 0, that takes the argument date and\n // performs the following steps:\n var F = function F() {\n var date = arguments.length <= 0 || arguments[0] === undefined ? undefined : arguments[0];\n\n // i. If date is not provided or is undefined, then let x be the\n // result as if by the expression Date.now() where Date.now is\n // the standard built-in function defined in ES5, 15.9.4.4.\n // ii. Else let x be ToNumber(date).\n // iii. Return the result of calling the FormatDateTime abstract\n // operation (defined below) with arguments this and x.\n var x = date === undefined ? Date.now() : toNumber(date);\n return FormatDateTime(this, x);\n };\n // b. Let bind be the standard built-in function object defined in ES5,\n // 15.3.4.5.\n // c. Let bf be the result of calling the [[Call]] internal method of\n // bind with F as the this value and an argument list containing\n // the single item this.\n var bf = fnBind.call(F, this);\n // d. Set the [[boundFormat]] internal property of this NumberFormat\n // object to bf.\n internal['[[boundFormat]]'] = bf;\n }\n // Return the value of the [[boundFormat]] internal property of this\n // NumberFormat object.\n return internal['[[boundFormat]]'];\n}\n\nfunction formatToParts$1() {\n var date = arguments.length <= 0 || arguments[0] === undefined ? undefined : arguments[0];\n\n var internal = this !== null && babelHelpers$1[\"typeof\"](this) === 'object' && getInternalProperties(this);\n\n if (!internal || !internal['[[initializedDateTimeFormat]]']) throw new TypeError('`this` value for formatToParts() is not an initialized Intl.DateTimeFormat object.');\n\n var x = date === undefined ? Date.now() : toNumber(date);\n return FormatToPartsDateTime(this, x);\n}\n\nObject.defineProperty(Intl.DateTimeFormat.prototype, 'formatToParts', {\n enumerable: false,\n writable: true,\n configurable: true,\n value: formatToParts$1\n});\n\nfunction CreateDateTimeParts(dateTimeFormat, x) {\n // 1. If x is not a finite Number, then throw a RangeError exception.\n if (!isFinite(x)) throw new RangeError('Invalid valid date passed to format');\n\n var internal = dateTimeFormat.__getInternalProperties(secret);\n\n // Creating restore point for properties on the RegExp object... please wait\n /* let regexpRestore = */createRegExpRestore(); // ###TODO: review this\n\n // 2. Let locale be the value of the [[locale]] internal property of dateTimeFormat.\n var locale = internal['[[locale]]'];\n\n // 3. Let nf be the result of creating a new NumberFormat object as if by the\n // expression new Intl.NumberFormat([locale], {useGrouping: false}) where\n // Intl.NumberFormat is the standard built-in constructor defined in 11.1.3.\n var nf = new Intl.NumberFormat([locale], { useGrouping: false });\n\n // 4. Let nf2 be the result of creating a new NumberFormat object as if by the\n // expression new Intl.NumberFormat([locale], {minimumIntegerDigits: 2, useGrouping:\n // false}) where Intl.NumberFormat is the standard built-in constructor defined in\n // 11.1.3.\n var nf2 = new Intl.NumberFormat([locale], { minimumIntegerDigits: 2, useGrouping: false });\n\n // 5. Let tm be the result of calling the ToLocalTime abstract operation (defined\n // below) with x, the value of the [[calendar]] internal property of dateTimeFormat,\n // and the value of the [[timeZone]] internal property of dateTimeFormat.\n var tm = ToLocalTime(x, internal['[[calendar]]'], internal['[[timeZone]]']);\n\n // 6. Let result be the value of the [[pattern]] internal property of dateTimeFormat.\n var pattern = internal['[[pattern]]'];\n\n // 7.\n var result = new List();\n\n // 8.\n var index = 0;\n\n // 9.\n var beginIndex = pattern.indexOf('{');\n\n // 10.\n var endIndex = 0;\n\n // Need the locale minus any extensions\n var dataLocale = internal['[[dataLocale]]'];\n\n // Need the calendar data from CLDR\n var localeData = internals.DateTimeFormat['[[localeData]]'][dataLocale].calendars;\n var ca = internal['[[calendar]]'];\n\n // 11.\n while (beginIndex !== -1) {\n var fv = void 0;\n // a.\n endIndex = pattern.indexOf('}', beginIndex);\n // b.\n if (endIndex === -1) {\n throw new Error('Unclosed pattern');\n }\n // c.\n if (beginIndex > index) {\n arrPush.call(result, {\n type: 'literal',\n value: pattern.substring(index, beginIndex)\n });\n }\n // d.\n var p = pattern.substring(beginIndex + 1, endIndex);\n // e.\n if (dateTimeComponents.hasOwnProperty(p)) {\n // i. Let f be the value of the [[]] internal property of dateTimeFormat.\n var f = internal['[[' + p + ']]'];\n // ii. Let v be the value of tm.[[
]].\n var v = tm['[[' + p + ']]'];\n // iii. If p is \"year\" and v ≤ 0, then let v be 1 - v.\n if (p === 'year' && v <= 0) {\n v = 1 - v;\n }\n // iv. If p is \"month\", then increase v by 1.\n else if (p === 'month') {\n v++;\n }\n // v. If p is \"hour\" and the value of the [[hour12]] internal property of\n // dateTimeFormat is true, then\n else if (p === 'hour' && internal['[[hour12]]'] === true) {\n // 1. Let v be v modulo 12.\n v = v % 12;\n // 2. If v is 0 and the value of the [[hourNo0]] internal property of\n // dateTimeFormat is true, then let v be 12.\n if (v === 0 && internal['[[hourNo0]]'] === true) {\n v = 12;\n }\n }\n\n // vi. If f is \"numeric\", then\n if (f === 'numeric') {\n // 1. Let fv be the result of calling the FormatNumber abstract operation\n // (defined in 11.3.2) with arguments nf and v.\n fv = FormatNumber(nf, v);\n }\n // vii. Else if f is \"2-digit\", then\n else if (f === '2-digit') {\n // 1. Let fv be the result of calling the FormatNumber abstract operation\n // with arguments nf2 and v.\n fv = FormatNumber(nf2, v);\n // 2. If the length of fv is greater than 2, let fv be the substring of fv\n // containing the last two characters.\n if (fv.length > 2) {\n fv = fv.slice(-2);\n }\n }\n // viii. Else if f is \"narrow\", \"short\", or \"long\", then let fv be a String\n // value representing f in the desired form; the String value depends upon\n // the implementation and the effective locale and calendar of\n // dateTimeFormat. If p is \"month\", then the String value may also depend\n // on whether dateTimeFormat has a [[day]] internal property. If p is\n // \"timeZoneName\", then the String value may also depend on the value of\n // the [[inDST]] field of tm.\n else if (f in dateWidths) {\n switch (p) {\n case 'month':\n fv = resolveDateString(localeData, ca, 'months', f, tm['[[' + p + ']]']);\n break;\n\n case 'weekday':\n try {\n fv = resolveDateString(localeData, ca, 'days', f, tm['[[' + p + ']]']);\n // fv = resolveDateString(ca.days, f)[tm['[['+ p +']]']];\n } catch (e) {\n throw new Error('Could not find weekday data for locale ' + locale);\n }\n break;\n\n case 'timeZoneName':\n fv = ''; // ###TODO\n break;\n\n case 'era':\n try {\n fv = resolveDateString(localeData, ca, 'eras', f, tm['[[' + p + ']]']);\n } catch (e) {\n throw new Error('Could not find era data for locale ' + locale);\n }\n break;\n\n default:\n fv = tm['[[' + p + ']]'];\n }\n }\n // ix\n arrPush.call(result, {\n type: p,\n value: fv\n });\n // f.\n } else if (p === 'ampm') {\n // i.\n var _v = tm['[[hour]]'];\n // ii./iii.\n fv = resolveDateString(localeData, ca, 'dayPeriods', _v > 11 ? 'pm' : 'am', null);\n // iv.\n arrPush.call(result, {\n type: 'dayPeriod',\n value: fv\n });\n // g.\n } else {\n arrPush.call(result, {\n type: 'literal',\n value: pattern.substring(beginIndex, endIndex + 1)\n });\n }\n // h.\n index = endIndex + 1;\n // i.\n beginIndex = pattern.indexOf('{', index);\n }\n // 12.\n if (endIndex < pattern.length - 1) {\n arrPush.call(result, {\n type: 'literal',\n value: pattern.substr(endIndex + 1)\n });\n }\n // 13.\n return result;\n}\n\n/**\n * When the FormatDateTime abstract operation is called with arguments dateTimeFormat\n * (which must be an object initialized as a DateTimeFormat) and x (which must be a Number\n * value), it returns a String value representing x (interpreted as a time value as\n * specified in ES5, 15.9.1.1) according to the effective locale and the formatting\n * options of dateTimeFormat.\n */\nfunction FormatDateTime(dateTimeFormat, x) {\n var parts = CreateDateTimeParts(dateTimeFormat, x);\n var result = '';\n\n for (var i = 0; parts.length > i; i++) {\n var part = parts[i];\n result += part.value;\n }\n return result;\n}\n\nfunction FormatToPartsDateTime(dateTimeFormat, x) {\n var parts = CreateDateTimeParts(dateTimeFormat, x);\n var result = [];\n for (var i = 0; parts.length > i; i++) {\n var part = parts[i];\n result.push({\n type: part.type,\n value: part.value\n });\n }\n return result;\n}\n\n/**\n * When the ToLocalTime abstract operation is called with arguments date, calendar, and\n * timeZone, the following steps are taken:\n */\nfunction ToLocalTime(date, calendar, timeZone) {\n // 1. Apply calendrical calculations on date for the given calendar and time zone to\n // produce weekday, era, year, month, day, hour, minute, second, and inDST values.\n // The calculations should use best available information about the specified\n // calendar and time zone. If the calendar is \"gregory\", then the calculations must\n // match the algorithms specified in ES5, 15.9.1, except that calculations are not\n // bound by the restrictions on the use of best available information on time zones\n // for local time zone adjustment and daylight saving time adjustment imposed by\n // ES5, 15.9.1.7 and 15.9.1.8.\n // ###TODO###\n var d = new Date(date),\n m = 'get' + (timeZone || '');\n\n // 2. Return a Record with fields [[weekday]], [[era]], [[year]], [[month]], [[day]],\n // [[hour]], [[minute]], [[second]], and [[inDST]], each with the corresponding\n // calculated value.\n return new Record({\n '[[weekday]]': d[m + 'Day'](),\n '[[era]]': +(d[m + 'FullYear']() >= 0),\n '[[year]]': d[m + 'FullYear'](),\n '[[month]]': d[m + 'Month'](),\n '[[day]]': d[m + 'Date'](),\n '[[hour]]': d[m + 'Hours'](),\n '[[minute]]': d[m + 'Minutes'](),\n '[[second]]': d[m + 'Seconds'](),\n '[[inDST]]': false // ###TODO###\n });\n}\n\n/**\n * The function returns a new object whose properties and attributes are set as if\n * constructed by an object literal assigning to each of the following properties the\n * value of the corresponding internal property of this DateTimeFormat object (see 12.4):\n * locale, calendar, numberingSystem, timeZone, hour12, weekday, era, year, month, day,\n * hour, minute, second, and timeZoneName. Properties whose corresponding internal\n * properties are not present are not assigned.\n */\n/* 12.3.3 */defineProperty(Intl.DateTimeFormat.prototype, 'resolvedOptions', {\n writable: true,\n configurable: true,\n value: function value() {\n var prop = void 0,\n descs = new Record(),\n props = ['locale', 'calendar', 'numberingSystem', 'timeZone', 'hour12', 'weekday', 'era', 'year', 'month', 'day', 'hour', 'minute', 'second', 'timeZoneName'],\n internal = this !== null && babelHelpers$1[\"typeof\"](this) === 'object' && getInternalProperties(this);\n\n // Satisfy test 12.3_b\n if (!internal || !internal['[[initializedDateTimeFormat]]']) throw new TypeError('`this` value for resolvedOptions() is not an initialized Intl.DateTimeFormat object.');\n\n for (var i = 0, max = props.length; i < max; i++) {\n if (hop.call(internal, prop = '[[' + props[i] + ']]')) descs[props[i]] = { value: internal[prop], writable: true, configurable: true, enumerable: true };\n }\n\n return objCreate({}, descs);\n }\n});\n\nvar ls = Intl.__localeSensitiveProtos = {\n Number: {},\n Date: {}\n};\n\n/**\n * When the toLocaleString method is called with optional arguments locales and options,\n * the following steps are taken:\n */\n/* 13.2.1 */ls.Number.toLocaleString = function () {\n // Satisfy test 13.2.1_1\n if (Object.prototype.toString.call(this) !== '[object Number]') throw new TypeError('`this` value must be a number for Number.prototype.toLocaleString()');\n\n // 1. Let x be this Number value (as defined in ES5, 15.7.4).\n // 2. If locales is not provided, then let locales be undefined.\n // 3. If options is not provided, then let options be undefined.\n // 4. Let numberFormat be the result of creating a new object as if by the\n // expression new Intl.NumberFormat(locales, options) where\n // Intl.NumberFormat is the standard built-in constructor defined in 11.1.3.\n // 5. Return the result of calling the FormatNumber abstract operation\n // (defined in 11.3.2) with arguments numberFormat and x.\n return FormatNumber(new NumberFormatConstructor(arguments[0], arguments[1]), this);\n};\n\n/**\n * When the toLocaleString method is called with optional arguments locales and options,\n * the following steps are taken:\n */\n/* 13.3.1 */ls.Date.toLocaleString = function () {\n // Satisfy test 13.3.0_1\n if (Object.prototype.toString.call(this) !== '[object Date]') throw new TypeError('`this` value must be a Date instance for Date.prototype.toLocaleString()');\n\n // 1. Let x be this time value (as defined in ES5, 15.9.5).\n var x = +this;\n\n // 2. If x is NaN, then return \"Invalid Date\".\n if (isNaN(x)) return 'Invalid Date';\n\n // 3. If locales is not provided, then let locales be undefined.\n var locales = arguments[0];\n\n // 4. If options is not provided, then let options be undefined.\n var options = arguments[1];\n\n // 5. Let options be the result of calling the ToDateTimeOptions abstract\n // operation (defined in 12.1.1) with arguments options, \"any\", and \"all\".\n options = ToDateTimeOptions(options, 'any', 'all');\n\n // 6. Let dateTimeFormat be the result of creating a new object as if by the\n // expression new Intl.DateTimeFormat(locales, options) where\n // Intl.DateTimeFormat is the standard built-in constructor defined in 12.1.3.\n var dateTimeFormat = new DateTimeFormatConstructor(locales, options);\n\n // 7. Return the result of calling the FormatDateTime abstract operation (defined\n // in 12.3.2) with arguments dateTimeFormat and x.\n return FormatDateTime(dateTimeFormat, x);\n};\n\n/**\n * When the toLocaleDateString method is called with optional arguments locales and\n * options, the following steps are taken:\n */\n/* 13.3.2 */ls.Date.toLocaleDateString = function () {\n // Satisfy test 13.3.0_1\n if (Object.prototype.toString.call(this) !== '[object Date]') throw new TypeError('`this` value must be a Date instance for Date.prototype.toLocaleDateString()');\n\n // 1. Let x be this time value (as defined in ES5, 15.9.5).\n var x = +this;\n\n // 2. If x is NaN, then return \"Invalid Date\".\n if (isNaN(x)) return 'Invalid Date';\n\n // 3. If locales is not provided, then let locales be undefined.\n var locales = arguments[0],\n\n\n // 4. If options is not provided, then let options be undefined.\n options = arguments[1];\n\n // 5. Let options be the result of calling the ToDateTimeOptions abstract\n // operation (defined in 12.1.1) with arguments options, \"date\", and \"date\".\n options = ToDateTimeOptions(options, 'date', 'date');\n\n // 6. Let dateTimeFormat be the result of creating a new object as if by the\n // expression new Intl.DateTimeFormat(locales, options) where\n // Intl.DateTimeFormat is the standard built-in constructor defined in 12.1.3.\n var dateTimeFormat = new DateTimeFormatConstructor(locales, options);\n\n // 7. Return the result of calling the FormatDateTime abstract operation (defined\n // in 12.3.2) with arguments dateTimeFormat and x.\n return FormatDateTime(dateTimeFormat, x);\n};\n\n/**\n * When the toLocaleTimeString method is called with optional arguments locales and\n * options, the following steps are taken:\n */\n/* 13.3.3 */ls.Date.toLocaleTimeString = function () {\n // Satisfy test 13.3.0_1\n if (Object.prototype.toString.call(this) !== '[object Date]') throw new TypeError('`this` value must be a Date instance for Date.prototype.toLocaleTimeString()');\n\n // 1. Let x be this time value (as defined in ES5, 15.9.5).\n var x = +this;\n\n // 2. If x is NaN, then return \"Invalid Date\".\n if (isNaN(x)) return 'Invalid Date';\n\n // 3. If locales is not provided, then let locales be undefined.\n var locales = arguments[0];\n\n // 4. If options is not provided, then let options be undefined.\n var options = arguments[1];\n\n // 5. Let options be the result of calling the ToDateTimeOptions abstract\n // operation (defined in 12.1.1) with arguments options, \"time\", and \"time\".\n options = ToDateTimeOptions(options, 'time', 'time');\n\n // 6. Let dateTimeFormat be the result of creating a new object as if by the\n // expression new Intl.DateTimeFormat(locales, options) where\n // Intl.DateTimeFormat is the standard built-in constructor defined in 12.1.3.\n var dateTimeFormat = new DateTimeFormatConstructor(locales, options);\n\n // 7. Return the result of calling the FormatDateTime abstract operation (defined\n // in 12.3.2) with arguments dateTimeFormat and x.\n return FormatDateTime(dateTimeFormat, x);\n};\n\ndefineProperty(Intl, '__applyLocaleSensitivePrototypes', {\n writable: true,\n configurable: true,\n value: function value() {\n defineProperty(Number.prototype, 'toLocaleString', { writable: true, configurable: true, value: ls.Number.toLocaleString });\n // Need this here for IE 8, to avoid the _DontEnum_ bug\n defineProperty(Date.prototype, 'toLocaleString', { writable: true, configurable: true, value: ls.Date.toLocaleString });\n\n for (var k in ls.Date) {\n if (hop.call(ls.Date, k)) defineProperty(Date.prototype, k, { writable: true, configurable: true, value: ls.Date[k] });\n }\n }\n});\n\n/**\n * Can't really ship a single script with data for hundreds of locales, so we provide\n * this __addLocaleData method as a means for the developer to add the data on an\n * as-needed basis\n */\ndefineProperty(Intl, '__addLocaleData', {\n value: function value(data) {\n if (!IsStructurallyValidLanguageTag(data.locale)) throw new Error(\"Object passed doesn't identify itself with a valid language tag\");\n\n addLocaleData(data, data.locale);\n }\n});\n\nfunction addLocaleData(data, tag) {\n // Both NumberFormat and DateTimeFormat require number data, so throw if it isn't present\n if (!data.number) throw new Error(\"Object passed doesn't contain locale data for Intl.NumberFormat\");\n\n var locale = void 0,\n locales = [tag],\n parts = tag.split('-');\n\n // Create fallbacks for locale data with scripts, e.g. Latn, Hans, Vaii, etc\n if (parts.length > 2 && parts[1].length === 4) arrPush.call(locales, parts[0] + '-' + parts[2]);\n\n while (locale = arrShift.call(locales)) {\n // Add to NumberFormat internal properties as per 11.2.3\n arrPush.call(internals.NumberFormat['[[availableLocales]]'], locale);\n internals.NumberFormat['[[localeData]]'][locale] = data.number;\n\n // ...and DateTimeFormat internal properties as per 12.2.3\n if (data.date) {\n data.date.nu = data.number.nu;\n arrPush.call(internals.DateTimeFormat['[[availableLocales]]'], locale);\n internals.DateTimeFormat['[[localeData]]'][locale] = data.date;\n }\n }\n\n // If this is the first set of locale data added, make it the default\n if (defaultLocale === undefined) setDefaultLocale(tag);\n}\n\ndefineProperty(Intl, '__disableRegExpRestore', {\n value: function value() {\n internals.disableRegExpRestore = true;\n }\n});\n\nmodule.exports = Intl;","'use strict';\nvar fixRegExpWellKnownSymbolLogic = require('../internals/fix-regexp-well-known-symbol-logic');\nvar anObject = require('../internals/an-object');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\nvar sameValue = require('../internals/same-value');\nvar regExpExec = require('../internals/regexp-exec-abstract');\n\n// @@search logic\nfixRegExpWellKnownSymbolLogic('search', 1, function (SEARCH, nativeSearch, maybeCallNative) {\n return [\n // `String.prototype.search` method\n // https://tc39.github.io/ecma262/#sec-string.prototype.search\n function search(regexp) {\n var O = requireObjectCoercible(this);\n var searcher = regexp == undefined ? undefined : regexp[SEARCH];\n return searcher !== undefined ? searcher.call(regexp, O) : new RegExp(regexp)[SEARCH](String(O));\n },\n // `RegExp.prototype[@@search]` method\n // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@search\n function (regexp) {\n var res = maybeCallNative(nativeSearch, regexp, this);\n if (res.done) return res.value;\n\n var rx = anObject(regexp);\n var S = String(this);\n\n var previousLastIndex = rx.lastIndex;\n if (!sameValue(previousLastIndex, 0)) rx.lastIndex = 0;\n var result = regExpExec(rx, S);\n if (!sameValue(rx.lastIndex, previousLastIndex)) rx.lastIndex = previousLastIndex;\n return result === null ? -1 : result.index;\n }\n ];\n});\n","var metadata = require('./_metadata');\nvar anObject = require('./_an-object');\nvar ordinaryOwnMetadataKeys = metadata.keys;\nvar toMetaKey = metadata.key;\n\nmetadata.exp({ getOwnMetadataKeys: function getOwnMetadataKeys(target /* , targetKey */) {\n return ordinaryOwnMetadataKeys(anObject(target), arguments.length < 2 ? undefined : toMetaKey(arguments[1]));\n} });\n","// 20.1.2.3 Number.isInteger(number)\nvar $export = require('./_export');\n\n$export($export.S, 'Number', { isInteger: require('./_is-integer') });\n","var def = require('./_object-dp').f;\nvar has = require('./_has');\nvar TAG = require('./_wks')('toStringTag');\n\nmodule.exports = function (it, tag, stat) {\n if (it && !has(it = stat ? it : it.prototype, TAG)) def(it, TAG, { configurable: true, value: tag });\n};\n","// 20.2.2.3 Math.acosh(x)\nvar $export = require('./_export');\nvar log1p = require('./_math-log1p');\nvar sqrt = Math.sqrt;\nvar $acosh = Math.acosh;\n\n$export($export.S + $export.F * !($acosh\n // V8 bug: https://code.google.com/p/v8/issues/detail?id=3509\n && Math.floor($acosh(Number.MAX_VALUE)) == 710\n // Tor Browser bug: Math.acosh(Infinity) -> NaN\n && $acosh(Infinity) == Infinity\n), 'Math', {\n acosh: function acosh(x) {\n return (x = +x) < 1 ? NaN : x > 94906265.62425156\n ? Math.log(x) + Math.LN2\n : log1p(x - 1 + sqrt(x - 1) * sqrt(x + 1));\n }\n});\n","var core = module.exports = { version: '2.6.11' };\nif (typeof __e == 'number') __e = core; // eslint-disable-line no-undef\n","'use strict';\nvar anObject = require('./_an-object');\nvar toPrimitive = require('./_to-primitive');\nvar NUMBER = 'number';\n\nmodule.exports = function (hint) {\n if (hint !== 'string' && hint !== NUMBER && hint !== 'default') throw TypeError('Incorrect hint');\n return toPrimitive(anObject(this), hint != NUMBER);\n};\n","var $ = require('../internals/export');\nvar fails = require('../internals/fails');\nvar nativeGetOwnPropertyNames = require('../internals/object-get-own-property-names-external').f;\n\nvar FAILS_ON_PRIMITIVES = fails(function () { return !Object.getOwnPropertyNames(1); });\n\n// `Object.getOwnPropertyNames` method\n// https://tc39.github.io/ecma262/#sec-object.getownpropertynames\n$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, {\n getOwnPropertyNames: nativeGetOwnPropertyNames\n});\n","// 7.2.9 SameValue(x, y)\nmodule.exports = Object.is || function is(x, y) {\n // eslint-disable-next-line no-self-compare\n return x === y ? x !== 0 || 1 / x === 1 / y : x != x && y != y;\n};\n","module.exports = false;\n","'use strict';\nvar $ = require('../internals/export');\nvar createHTML = require('../internals/create-html');\nvar forcedStringHTMLMethod = require('../internals/string-html-forced');\n\n// `String.prototype.big` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.big\n$({ target: 'String', proto: true, forced: forcedStringHTMLMethod('big') }, {\n big: function big() {\n return createHTML(this, 'big', '', '');\n }\n});\n","'use strict';\nvar $ = require('../internals/export');\nvar $filter = require('../internals/array-iteration').filter;\nvar arrayMethodHasSpeciesSupport = require('../internals/array-method-has-species-support');\nvar arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');\n\nvar HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('filter');\n// Edge 14- issue\nvar USES_TO_LENGTH = arrayMethodUsesToLength('filter');\n\n// `Array.prototype.filter` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.filter\n// with adding support of @@species\n$({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH }, {\n filter: function filter(callbackfn /* , thisArg */) {\n return $filter(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);\n }\n});\n","'use strict';\nvar nativePropertyIsEnumerable = {}.propertyIsEnumerable;\nvar getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;\n\n// Nashorn ~ JDK8 bug\nvar NASHORN_BUG = getOwnPropertyDescriptor && !nativePropertyIsEnumerable.call({ 1: 2 }, 1);\n\n// `Object.prototype.propertyIsEnumerable` method implementation\n// https://tc39.github.io/ecma262/#sec-object.prototype.propertyisenumerable\nexports.f = NASHORN_BUG ? function propertyIsEnumerable(V) {\n var descriptor = getOwnPropertyDescriptor(this, V);\n return !!descriptor && descriptor.enumerable;\n} : nativePropertyIsEnumerable;\n","// 20.1.2.6 Number.MAX_SAFE_INTEGER\nvar $export = require('./_export');\n\n$export($export.S, 'Number', { MAX_SAFE_INTEGER: 0x1fffffffffffff });\n","var DateProto = Date.prototype;\nvar INVALID_DATE = 'Invalid Date';\nvar TO_STRING = 'toString';\nvar $toString = DateProto[TO_STRING];\nvar getTime = DateProto.getTime;\nif (new Date(NaN) + '' != INVALID_DATE) {\n require('./_redefine')(DateProto, TO_STRING, function toString() {\n var value = getTime.call(this);\n // eslint-disable-next-line no-self-compare\n return value === value ? $toString.call(this) : INVALID_DATE;\n });\n}\n","'use strict';\n// B.2.3.2 String.prototype.anchor(name)\nrequire('./_string-html')('anchor', function (createHTML) {\n return function anchor(name) {\n return createHTML(this, 'a', 'name', name);\n };\n});\n","var classof = require('../internals/classof-raw');\n\n// `thisNumberValue` abstract operation\n// https://tc39.github.io/ecma262/#sec-thisnumbervalue\nmodule.exports = function (value) {\n if (typeof value != 'number' && classof(value) != 'Number') {\n throw TypeError('Incorrect invocation');\n }\n return +value;\n};\n","var $export = require('./_export');\n// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\n$export($export.S, 'Object', { create: require('./_object-create') });\n","// 20.2.2.34 Math.trunc(x)\nvar $export = require('./_export');\n\n$export($export.S, 'Math', {\n trunc: function trunc(it) {\n return (it > 0 ? Math.floor : Math.ceil)(it);\n }\n});\n","/**\n * This file includes polyfills needed by Angular and is loaded before the app.\n * You can add your own extra polyfills to this file.\n *\n * This file is divided into 2 sections:\n * 1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.\n * 2. Application imports. Files imported after ZoneJS that should be loaded before your main\n * file.\n *\n * The current setup is for so-called \"evergreen\" browsers; the last versions of browsers that\n * automatically update themselves. This includes Safari >= 10, Chrome >= 55 (including Opera),\n * Edge >= 13 on the desktop, and iOS 10 and Chrome on mobile.\n *\n * Learn more in https://angular.io/docs/ts/latest/guide/browser-support.html\n */\n\n/** *************************************************************************************************\n * BROWSER POLYFILLS\n */\n\n/** IE9, IE10 and IE11 requires all of the following polyfills. **/\nimport 'core-js/es6/symbol';\nimport 'core-js/es6/object';\nimport 'core-js/es6/function';\nimport 'core-js/es6/parse-int';\nimport 'core-js/es6/parse-float';\nimport 'core-js/es6/number';\nimport 'core-js/es6/math';\nimport 'core-js/es6/string';\nimport 'core-js/es6/date';\nimport 'core-js/es6/array';\nimport 'core-js/es6/regexp';\nimport 'core-js/es6/map';\nimport 'core-js/es6/weak-map';\nimport 'core-js/es6/set';\n\n/** IE10 and IE11 requires the following for NgClass support on SVG elements */\nimport 'classlist.js'; // Run `npm install --save classlist.js`.\n\n/** Evergreen browsers require these. **/\nimport 'core-js/es6/reflect';\nimport 'core-js/es7/reflect';\n\n\n/**\n * Required to support Web Animations `@angular/animation`.\n * Needed for: All but Chrome, Firefox and Opera. http://caniuse.com/#feat=web-animation\n **/\n// import 'web-animations-js'; // Run `npm install --save web-animations-js`.\n\n\n\n/** *************************************************************************************************\n * Zone JS is required by Angular itself.\n */\nimport 'zone.js/dist/zone'; // Included with Angular CLI.\n\n\n\n/** *************************************************************************************************\n * APPLICATION IMPORTS\n */\n\n/**\n * Date, currency, decimal and percent pipes.\n * Needed for: All but Chrome, Firefox, Edge, IE11 and Safari 10\n */\nimport 'intl'; // Run `npm install --save intl`.\n/**\n * Need to import at least one locale-data with intl.\n */\nimport 'intl/locale-data/jsonp/it';\n","module.exports = {};\n","require('../modules/es6.object.to-string');\nrequire('../modules/es6.array.iterator');\nrequire('../modules/es6.weak-map');\nmodule.exports = require('../modules/_core').WeakMap;\n","'use strict';\nvar global = require('../internals/global');\nvar redefineAll = require('../internals/redefine-all');\nvar InternalMetadataModule = require('../internals/internal-metadata');\nvar collection = require('../internals/collection');\nvar collectionWeak = require('../internals/collection-weak');\nvar isObject = require('../internals/is-object');\nvar enforceIternalState = require('../internals/internal-state').enforce;\nvar NATIVE_WEAK_MAP = require('../internals/native-weak-map');\n\nvar IS_IE11 = !global.ActiveXObject && 'ActiveXObject' in global;\nvar isExtensible = Object.isExtensible;\nvar InternalWeakMap;\n\nvar wrapper = function (init) {\n return function WeakMap() {\n return init(this, arguments.length ? arguments[0] : undefined);\n };\n};\n\n// `WeakMap` constructor\n// https://tc39.github.io/ecma262/#sec-weakmap-constructor\nvar $WeakMap = module.exports = collection('WeakMap', wrapper, collectionWeak);\n\n// IE11 WeakMap frozen keys fix\n// We can't use feature detection because it crash some old IE builds\n// https://github.com/zloirock/core-js/issues/485\nif (NATIVE_WEAK_MAP && IS_IE11) {\n InternalWeakMap = collectionWeak.getConstructor(wrapper, 'WeakMap', true);\n InternalMetadataModule.REQUIRED = true;\n var WeakMapPrototype = $WeakMap.prototype;\n var nativeDelete = WeakMapPrototype['delete'];\n var nativeHas = WeakMapPrototype.has;\n var nativeGet = WeakMapPrototype.get;\n var nativeSet = WeakMapPrototype.set;\n redefineAll(WeakMapPrototype, {\n 'delete': function (key) {\n if (isObject(key) && !isExtensible(key)) {\n var state = enforceIternalState(this);\n if (!state.frozen) state.frozen = new InternalWeakMap();\n return nativeDelete.call(this, key) || state.frozen['delete'](key);\n } return nativeDelete.call(this, key);\n },\n has: function has(key) {\n if (isObject(key) && !isExtensible(key)) {\n var state = enforceIternalState(this);\n if (!state.frozen) state.frozen = new InternalWeakMap();\n return nativeHas.call(this, key) || state.frozen.has(key);\n } return nativeHas.call(this, key);\n },\n get: function get(key) {\n if (isObject(key) && !isExtensible(key)) {\n var state = enforceIternalState(this);\n if (!state.frozen) state.frozen = new InternalWeakMap();\n return nativeHas.call(this, key) ? nativeGet.call(this, key) : state.frozen.get(key);\n } return nativeGet.call(this, key);\n },\n set: function set(key, value) {\n if (isObject(key) && !isExtensible(key)) {\n var state = enforceIternalState(this);\n if (!state.frozen) state.frozen = new InternalWeakMap();\n nativeHas.call(this, key) ? nativeSet.call(this, key, value) : state.frozen.set(key, value);\n } else nativeSet.call(this, key, value);\n return this;\n }\n });\n}\n","// `RequireObjectCoercible` abstract operation\n// https://tc39.github.io/ecma262/#sec-requireobjectcoercible\nmodule.exports = function (it) {\n if (it == undefined) throw TypeError(\"Can't call method on \" + it);\n return it;\n};\n","var anObject = require('./_an-object');\nvar IE8_DOM_DEFINE = require('./_ie8-dom-define');\nvar toPrimitive = require('./_to-primitive');\nvar dP = Object.defineProperty;\n\nexports.f = require('./_descriptors') ? Object.defineProperty : function defineProperty(O, P, Attributes) {\n anObject(O);\n P = toPrimitive(P, true);\n anObject(Attributes);\n if (IE8_DOM_DEFINE) try {\n return dP(O, P, Attributes);\n } catch (e) { /* empty */ }\n if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');\n if ('value' in Attributes) O[P] = Attributes.value;\n return O;\n};\n","// Works with __proto__ only. Old v8 can't work with null proto objects.\n/* eslint-disable no-proto */\nvar isObject = require('./_is-object');\nvar anObject = require('./_an-object');\nvar check = function (O, proto) {\n anObject(O);\n if (!isObject(proto) && proto !== null) throw TypeError(proto + \": can't set as prototype!\");\n};\nmodule.exports = {\n set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line\n function (test, buggy, set) {\n try {\n set = require('./_ctx')(Function.call, require('./_object-gopd').f(Object.prototype, '__proto__').set, 2);\n set(test, []);\n buggy = !(test instanceof Array);\n } catch (e) { buggy = true; }\n return function setPrototypeOf(O, proto) {\n check(O, proto);\n if (buggy) O.__proto__ = proto;\n else set(O, proto);\n return O;\n };\n }({}, false) : undefined),\n check: check\n};\n","var NATIVE_SYMBOL = require('../internals/native-symbol');\n\nmodule.exports = NATIVE_SYMBOL\n // eslint-disable-next-line no-undef\n && !Symbol.sham\n // eslint-disable-next-line no-undef\n && typeof Symbol.iterator == 'symbol';\n","// 26.1.3 Reflect.defineProperty(target, propertyKey, attributes)\nvar dP = require('./_object-dp');\nvar $export = require('./_export');\nvar anObject = require('./_an-object');\nvar toPrimitive = require('./_to-primitive');\n\n// MS Edge has broken Reflect.defineProperty - throwing instead of returning false\n$export($export.S + $export.F * require('./_fails')(function () {\n // eslint-disable-next-line no-undef\n Reflect.defineProperty(dP.f({}, 1, { value: 1 }), 1, { value: 2 });\n}), 'Reflect', {\n defineProperty: function defineProperty(target, propertyKey, attributes) {\n anObject(target);\n propertyKey = toPrimitive(propertyKey, true);\n anObject(attributes);\n try {\n dP.f(target, propertyKey, attributes);\n return true;\n } catch (e) {\n return false;\n }\n }\n});\n","var metadata = require('./_metadata');\nvar anObject = require('./_an-object');\nvar getPrototypeOf = require('./_object-gpo');\nvar ordinaryHasOwnMetadata = metadata.has;\nvar toMetaKey = metadata.key;\n\nvar ordinaryHasMetadata = function (MetadataKey, O, P) {\n var hasOwn = ordinaryHasOwnMetadata(MetadataKey, O, P);\n if (hasOwn) return true;\n var parent = getPrototypeOf(O);\n return parent !== null ? ordinaryHasMetadata(MetadataKey, parent, P) : false;\n};\n\nmetadata.exp({ hasMetadata: function hasMetadata(metadataKey, target /* , targetKey */) {\n return ordinaryHasMetadata(metadataKey, anObject(target), arguments.length < 3 ? undefined : toMetaKey(arguments[2]));\n} });\n","require('../modules/es6.parse-float');\nmodule.exports = require('../modules/_core').parseFloat;\n","'use strict';\n// ECMAScript 6 symbols shim\nvar global = require('./_global');\nvar has = require('./_has');\nvar DESCRIPTORS = require('./_descriptors');\nvar $export = require('./_export');\nvar redefine = require('./_redefine');\nvar META = require('./_meta').KEY;\nvar $fails = require('./_fails');\nvar shared = require('./_shared');\nvar setToStringTag = require('./_set-to-string-tag');\nvar uid = require('./_uid');\nvar wks = require('./_wks');\nvar wksExt = require('./_wks-ext');\nvar wksDefine = require('./_wks-define');\nvar enumKeys = require('./_enum-keys');\nvar isArray = require('./_is-array');\nvar anObject = require('./_an-object');\nvar isObject = require('./_is-object');\nvar toObject = require('./_to-object');\nvar toIObject = require('./_to-iobject');\nvar toPrimitive = require('./_to-primitive');\nvar createDesc = require('./_property-desc');\nvar _create = require('./_object-create');\nvar gOPNExt = require('./_object-gopn-ext');\nvar $GOPD = require('./_object-gopd');\nvar $GOPS = require('./_object-gops');\nvar $DP = require('./_object-dp');\nvar $keys = require('./_object-keys');\nvar gOPD = $GOPD.f;\nvar dP = $DP.f;\nvar gOPN = gOPNExt.f;\nvar $Symbol = global.Symbol;\nvar $JSON = global.JSON;\nvar _stringify = $JSON && $JSON.stringify;\nvar PROTOTYPE = 'prototype';\nvar HIDDEN = wks('_hidden');\nvar TO_PRIMITIVE = wks('toPrimitive');\nvar isEnum = {}.propertyIsEnumerable;\nvar SymbolRegistry = shared('symbol-registry');\nvar AllSymbols = shared('symbols');\nvar OPSymbols = shared('op-symbols');\nvar ObjectProto = Object[PROTOTYPE];\nvar USE_NATIVE = typeof $Symbol == 'function' && !!$GOPS.f;\nvar QObject = global.QObject;\n// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173\nvar setter = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;\n\n// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687\nvar setSymbolDesc = DESCRIPTORS && $fails(function () {\n return _create(dP({}, 'a', {\n get: function () { return dP(this, 'a', { value: 7 }).a; }\n })).a != 7;\n}) ? function (it, key, D) {\n var protoDesc = gOPD(ObjectProto, key);\n if (protoDesc) delete ObjectProto[key];\n dP(it, key, D);\n if (protoDesc && it !== ObjectProto) dP(ObjectProto, key, protoDesc);\n} : dP;\n\nvar wrap = function (tag) {\n var sym = AllSymbols[tag] = _create($Symbol[PROTOTYPE]);\n sym._k = tag;\n return sym;\n};\n\nvar isSymbol = USE_NATIVE && typeof $Symbol.iterator == 'symbol' ? function (it) {\n return typeof it == 'symbol';\n} : function (it) {\n return it instanceof $Symbol;\n};\n\nvar $defineProperty = function defineProperty(it, key, D) {\n if (it === ObjectProto) $defineProperty(OPSymbols, key, D);\n anObject(it);\n key = toPrimitive(key, true);\n anObject(D);\n if (has(AllSymbols, key)) {\n if (!D.enumerable) {\n if (!has(it, HIDDEN)) dP(it, HIDDEN, createDesc(1, {}));\n it[HIDDEN][key] = true;\n } else {\n if (has(it, HIDDEN) && it[HIDDEN][key]) it[HIDDEN][key] = false;\n D = _create(D, { enumerable: createDesc(0, false) });\n } return setSymbolDesc(it, key, D);\n } return dP(it, key, D);\n};\nvar $defineProperties = function defineProperties(it, P) {\n anObject(it);\n var keys = enumKeys(P = toIObject(P));\n var i = 0;\n var l = keys.length;\n var key;\n while (l > i) $defineProperty(it, key = keys[i++], P[key]);\n return it;\n};\nvar $create = function create(it, P) {\n return P === undefined ? _create(it) : $defineProperties(_create(it), P);\n};\nvar $propertyIsEnumerable = function propertyIsEnumerable(key) {\n var E = isEnum.call(this, key = toPrimitive(key, true));\n if (this === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key)) return false;\n return E || !has(this, key) || !has(AllSymbols, key) || has(this, HIDDEN) && this[HIDDEN][key] ? E : true;\n};\nvar $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key) {\n it = toIObject(it);\n key = toPrimitive(key, true);\n if (it === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key)) return;\n var D = gOPD(it, key);\n if (D && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) D.enumerable = true;\n return D;\n};\nvar $getOwnPropertyNames = function getOwnPropertyNames(it) {\n var names = gOPN(toIObject(it));\n var result = [];\n var i = 0;\n var key;\n while (names.length > i) {\n if (!has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META) result.push(key);\n } return result;\n};\nvar $getOwnPropertySymbols = function getOwnPropertySymbols(it) {\n var IS_OP = it === ObjectProto;\n var names = gOPN(IS_OP ? OPSymbols : toIObject(it));\n var result = [];\n var i = 0;\n var key;\n while (names.length > i) {\n if (has(AllSymbols, key = names[i++]) && (IS_OP ? has(ObjectProto, key) : true)) result.push(AllSymbols[key]);\n } return result;\n};\n\n// 19.4.1.1 Symbol([description])\nif (!USE_NATIVE) {\n $Symbol = function Symbol() {\n if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor!');\n var tag = uid(arguments.length > 0 ? arguments[0] : undefined);\n var $set = function (value) {\n if (this === ObjectProto) $set.call(OPSymbols, value);\n if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;\n setSymbolDesc(this, tag, createDesc(1, value));\n };\n if (DESCRIPTORS && setter) setSymbolDesc(ObjectProto, tag, { configurable: true, set: $set });\n return wrap(tag);\n };\n redefine($Symbol[PROTOTYPE], 'toString', function toString() {\n return this._k;\n });\n\n $GOPD.f = $getOwnPropertyDescriptor;\n $DP.f = $defineProperty;\n require('./_object-gopn').f = gOPNExt.f = $getOwnPropertyNames;\n require('./_object-pie').f = $propertyIsEnumerable;\n $GOPS.f = $getOwnPropertySymbols;\n\n if (DESCRIPTORS && !require('./_library')) {\n redefine(ObjectProto, 'propertyIsEnumerable', $propertyIsEnumerable, true);\n }\n\n wksExt.f = function (name) {\n return wrap(wks(name));\n };\n}\n\n$export($export.G + $export.W + $export.F * !USE_NATIVE, { Symbol: $Symbol });\n\nfor (var es6Symbols = (\n // 19.4.2.2, 19.4.2.3, 19.4.2.4, 19.4.2.6, 19.4.2.8, 19.4.2.9, 19.4.2.10, 19.4.2.11, 19.4.2.12, 19.4.2.13, 19.4.2.14\n 'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'\n).split(','), j = 0; es6Symbols.length > j;)wks(es6Symbols[j++]);\n\nfor (var wellKnownSymbols = $keys(wks.store), k = 0; wellKnownSymbols.length > k;) wksDefine(wellKnownSymbols[k++]);\n\n$export($export.S + $export.F * !USE_NATIVE, 'Symbol', {\n // 19.4.2.1 Symbol.for(key)\n 'for': function (key) {\n return has(SymbolRegistry, key += '')\n ? SymbolRegistry[key]\n : SymbolRegistry[key] = $Symbol(key);\n },\n // 19.4.2.5 Symbol.keyFor(sym)\n keyFor: function keyFor(sym) {\n if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol!');\n for (var key in SymbolRegistry) if (SymbolRegistry[key] === sym) return key;\n },\n useSetter: function () { setter = true; },\n useSimple: function () { setter = false; }\n});\n\n$export($export.S + $export.F * !USE_NATIVE, 'Object', {\n // 19.1.2.2 Object.create(O [, Properties])\n create: $create,\n // 19.1.2.4 Object.defineProperty(O, P, Attributes)\n defineProperty: $defineProperty,\n // 19.1.2.3 Object.defineProperties(O, Properties)\n defineProperties: $defineProperties,\n // 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)\n getOwnPropertyDescriptor: $getOwnPropertyDescriptor,\n // 19.1.2.7 Object.getOwnPropertyNames(O)\n getOwnPropertyNames: $getOwnPropertyNames,\n // 19.1.2.8 Object.getOwnPropertySymbols(O)\n getOwnPropertySymbols: $getOwnPropertySymbols\n});\n\n// Chrome 38 and 39 `Object.getOwnPropertySymbols` fails on primitives\n// https://bugs.chromium.org/p/v8/issues/detail?id=3443\nvar FAILS_ON_PRIMITIVES = $fails(function () { $GOPS.f(1); });\n\n$export($export.S + $export.F * FAILS_ON_PRIMITIVES, 'Object', {\n getOwnPropertySymbols: function getOwnPropertySymbols(it) {\n return $GOPS.f(toObject(it));\n }\n});\n\n// 24.3.2 JSON.stringify(value [, replacer [, space]])\n$JSON && $export($export.S + $export.F * (!USE_NATIVE || $fails(function () {\n var S = $Symbol();\n // MS Edge converts symbol values to JSON as {}\n // WebKit converts symbol values to JSON as null\n // V8 throws on boxed symbols\n return _stringify([S]) != '[null]' || _stringify({ a: S }) != '{}' || _stringify(Object(S)) != '{}';\n})), 'JSON', {\n stringify: function stringify(it) {\n var args = [it];\n var i = 1;\n var replacer, $replacer;\n while (arguments.length > i) args.push(arguments[i++]);\n $replacer = replacer = args[1];\n if (!isObject(replacer) && it === undefined || isSymbol(it)) return; // IE8 returns string on undefined\n if (!isArray(replacer)) replacer = function (key, value) {\n if (typeof $replacer == 'function') value = $replacer.call(this, key, value);\n if (!isSymbol(value)) return value;\n };\n args[1] = replacer;\n return _stringify.apply($JSON, args);\n }\n});\n\n// 19.4.3.4 Symbol.prototype[@@toPrimitive](hint)\n$Symbol[PROTOTYPE][TO_PRIMITIVE] || require('./_hide')($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);\n// 19.4.3.5 Symbol.prototype[@@toStringTag]\nsetToStringTag($Symbol, 'Symbol');\n// 20.2.1.9 Math[@@toStringTag]\nsetToStringTag(Math, 'Math', true);\n// 24.3.3 JSON[@@toStringTag]\nsetToStringTag(global.JSON, 'JSON', true);\n","var anObject = require('../internals/an-object');\n\n// call something on iterator step with safe closing on error\nmodule.exports = function (iterator, fn, value, ENTRIES) {\n try {\n return ENTRIES ? fn(anObject(value)[0], value[1]) : fn(value);\n // 7.4.6 IteratorClose(iterator, completion)\n } catch (error) {\n var returnMethod = iterator['return'];\n if (returnMethod !== undefined) anObject(returnMethod.call(iterator));\n throw error;\n }\n};\n","var requireObjectCoercible = require('../internals/require-object-coercible');\nvar whitespaces = require('../internals/whitespaces');\n\nvar whitespace = '[' + whitespaces + ']';\nvar ltrim = RegExp('^' + whitespace + whitespace + '*');\nvar rtrim = RegExp(whitespace + whitespace + '*$');\n\n// `String.prototype.{ trim, trimStart, trimEnd, trimLeft, trimRight }` methods implementation\nvar createMethod = function (TYPE) {\n return function ($this) {\n var string = String(requireObjectCoercible($this));\n if (TYPE & 1) string = string.replace(ltrim, '');\n if (TYPE & 2) string = string.replace(rtrim, '');\n return string;\n };\n};\n\nmodule.exports = {\n // `String.prototype.{ trimLeft, trimStart }` methods\n // https://tc39.github.io/ecma262/#sec-string.prototype.trimstart\n start: createMethod(1),\n // `String.prototype.{ trimRight, trimEnd }` methods\n // https://tc39.github.io/ecma262/#sec-string.prototype.trimend\n end: createMethod(2),\n // `String.prototype.trim` method\n // https://tc39.github.io/ecma262/#sec-string.prototype.trim\n trim: createMethod(3)\n};\n","// 20.3.4.36 / 15.9.5.43 Date.prototype.toISOString()\nvar $export = require('./_export');\nvar toISOString = require('./_date-to-iso-string');\n\n// PhantomJS / old WebKit has a broken implementations\n$export($export.P + $export.F * (Date.prototype.toISOString !== toISOString), 'Date', {\n toISOString: toISOString\n});\n","'use strict';\n// 20.3.4.36 / 15.9.5.43 Date.prototype.toISOString()\nvar fails = require('./_fails');\nvar getTime = Date.prototype.getTime;\nvar $toISOString = Date.prototype.toISOString;\n\nvar lz = function (num) {\n return num > 9 ? num : '0' + num;\n};\n\n// PhantomJS / old WebKit has a broken implementations\nmodule.exports = (fails(function () {\n return $toISOString.call(new Date(-5e13 - 1)) != '0385-07-25T07:06:39.999Z';\n}) || !fails(function () {\n $toISOString.call(new Date(NaN));\n})) ? function toISOString() {\n if (!isFinite(getTime.call(this))) throw RangeError('Invalid time value');\n var d = this;\n var y = d.getUTCFullYear();\n var m = d.getUTCMilliseconds();\n var s = y < 0 ? '-' : y > 9999 ? '+' : '';\n return s + ('00000' + Math.abs(y)).slice(s ? -6 : -4) +\n '-' + lz(d.getUTCMonth() + 1) + '-' + lz(d.getUTCDate()) +\n 'T' + lz(d.getUTCHours()) + ':' + lz(d.getUTCMinutes()) +\n ':' + lz(d.getUTCSeconds()) + '.' + (m > 99 ? m : '0' + lz(m)) + 'Z';\n} : $toISOString;\n","var global = require('../internals/global');\nvar DOMIterables = require('../internals/dom-iterables');\nvar forEach = require('../internals/array-for-each');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\n\nfor (var COLLECTION_NAME in DOMIterables) {\n var Collection = global[COLLECTION_NAME];\n var CollectionPrototype = Collection && Collection.prototype;\n // some Chrome versions have non-configurable methods on DOMTokenList\n if (CollectionPrototype && CollectionPrototype.forEach !== forEach) try {\n createNonEnumerableProperty(CollectionPrototype, 'forEach', forEach);\n } catch (error) {\n CollectionPrototype.forEach = forEach;\n }\n}\n","// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)\nvar $keys = require('./_object-keys-internal');\nvar hiddenKeys = require('./_enum-bug-keys').concat('length', 'prototype');\n\nexports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {\n return $keys(O, hiddenKeys);\n};\n","var $ = require('../internals/export');\nvar copyWithin = require('../internals/array-copy-within');\nvar addToUnscopables = require('../internals/add-to-unscopables');\n\n// `Array.prototype.copyWithin` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.copywithin\n$({ target: 'Array', proto: true }, {\n copyWithin: copyWithin\n});\n\n// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables\naddToUnscopables('copyWithin');\n","var $ = require('../internals/export');\nvar toISOString = require('../internals/date-to-iso-string');\n\n// `Date.prototype.toISOString` method\n// https://tc39.github.io/ecma262/#sec-date.prototype.toisostring\n// PhantomJS / old WebKit has a broken implementations\n$({ target: 'Date', proto: true, forced: Date.prototype.toISOString !== toISOString }, {\n toISOString: toISOString\n});\n","// 20.2.2.16 Math.fround(x)\nvar sign = require('./_math-sign');\nvar pow = Math.pow;\nvar EPSILON = pow(2, -52);\nvar EPSILON32 = pow(2, -23);\nvar MAX32 = pow(2, 127) * (2 - EPSILON32);\nvar MIN32 = pow(2, -126);\n\nvar roundTiesToEven = function (n) {\n return n + 1 / EPSILON - 1 / EPSILON;\n};\n\nmodule.exports = Math.fround || function fround(x) {\n var $abs = Math.abs(x);\n var $sign = sign(x);\n var a, result;\n if ($abs < MIN32) return $sign * roundTiesToEven($abs / MIN32 / EPSILON32) * MIN32 * EPSILON32;\n a = (1 + EPSILON32 / EPSILON) * $abs;\n result = a - (a - $abs);\n // eslint-disable-next-line no-self-compare\n if (result > MAX32 || result != result) return $sign * Infinity;\n return $sign * result;\n};\n","var bind = require('../internals/function-bind-context');\nvar IndexedObject = require('../internals/indexed-object');\nvar toObject = require('../internals/to-object');\nvar toLength = require('../internals/to-length');\nvar arraySpeciesCreate = require('../internals/array-species-create');\n\nvar push = [].push;\n\n// `Array.prototype.{ forEach, map, filter, some, every, find, findIndex }` methods implementation\nvar createMethod = function (TYPE) {\n var IS_MAP = TYPE == 1;\n var IS_FILTER = TYPE == 2;\n var IS_SOME = TYPE == 3;\n var IS_EVERY = TYPE == 4;\n var IS_FIND_INDEX = TYPE == 6;\n var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;\n return function ($this, callbackfn, that, specificCreate) {\n var O = toObject($this);\n var self = IndexedObject(O);\n var boundFunction = bind(callbackfn, that, 3);\n var length = toLength(self.length);\n var index = 0;\n var create = specificCreate || arraySpeciesCreate;\n var target = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;\n var value, result;\n for (;length > index; index++) if (NO_HOLES || index in self) {\n value = self[index];\n result = boundFunction(value, index, O);\n if (TYPE) {\n if (IS_MAP) target[index] = result; // map\n else if (result) switch (TYPE) {\n case 3: return true; // some\n case 5: return value; // find\n case 6: return index; // findIndex\n case 2: push.call(target, value); // filter\n } else if (IS_EVERY) return false; // every\n }\n }\n return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : target;\n };\n};\n\nmodule.exports = {\n // `Array.prototype.forEach` method\n // https://tc39.github.io/ecma262/#sec-array.prototype.foreach\n forEach: createMethod(0),\n // `Array.prototype.map` method\n // https://tc39.github.io/ecma262/#sec-array.prototype.map\n map: createMethod(1),\n // `Array.prototype.filter` method\n // https://tc39.github.io/ecma262/#sec-array.prototype.filter\n filter: createMethod(2),\n // `Array.prototype.some` method\n // https://tc39.github.io/ecma262/#sec-array.prototype.some\n some: createMethod(3),\n // `Array.prototype.every` method\n // https://tc39.github.io/ecma262/#sec-array.prototype.every\n every: createMethod(4),\n // `Array.prototype.find` method\n // https://tc39.github.io/ecma262/#sec-array.prototype.find\n find: createMethod(5),\n // `Array.prototype.findIndex` method\n // https://tc39.github.io/ecma262/#sec-array.prototype.findIndex\n findIndex: createMethod(6)\n};\n","// 26.1.13 Reflect.set(target, propertyKey, V [, receiver])\nvar dP = require('./_object-dp');\nvar gOPD = require('./_object-gopd');\nvar getPrototypeOf = require('./_object-gpo');\nvar has = require('./_has');\nvar $export = require('./_export');\nvar createDesc = require('./_property-desc');\nvar anObject = require('./_an-object');\nvar isObject = require('./_is-object');\n\nfunction set(target, propertyKey, V /* , receiver */) {\n var receiver = arguments.length < 4 ? target : arguments[3];\n var ownDesc = gOPD.f(anObject(target), propertyKey);\n var existingDescriptor, proto;\n if (!ownDesc) {\n if (isObject(proto = getPrototypeOf(target))) {\n return set(proto, propertyKey, V, receiver);\n }\n ownDesc = createDesc(0);\n }\n if (has(ownDesc, 'value')) {\n if (ownDesc.writable === false || !isObject(receiver)) return false;\n if (existingDescriptor = gOPD.f(receiver, propertyKey)) {\n if (existingDescriptor.get || existingDescriptor.set || existingDescriptor.writable === false) return false;\n existingDescriptor.value = V;\n dP.f(receiver, propertyKey, existingDescriptor);\n } else dP.f(receiver, propertyKey, createDesc(0, V));\n return true;\n }\n return ownDesc.set === undefined ? false : (ownDesc.set.call(receiver, V), true);\n}\n\n$export($export.S, 'Reflect', { set: set });\n","// 26.1.14 Reflect.setPrototypeOf(target, proto)\nvar $export = require('./_export');\nvar setProto = require('./_set-proto');\n\nif (setProto) $export($export.S, 'Reflect', {\n setPrototypeOf: function setPrototypeOf(target, proto) {\n setProto.check(target, proto);\n try {\n setProto.set(target, proto);\n return true;\n } catch (e) {\n return false;\n }\n }\n});\n","// 20.1.2.10 Number.MIN_SAFE_INTEGER\nvar $export = require('./_export');\n\n$export($export.S, 'Number', { MIN_SAFE_INTEGER: -0x1fffffffffffff });\n","var $ = require('../internals/export');\nvar isInteger = require('../internals/is-integer');\n\nvar abs = Math.abs;\n\n// `Number.isSafeInteger` method\n// https://tc39.github.io/ecma262/#sec-number.issafeinteger\n$({ target: 'Number', stat: true }, {\n isSafeInteger: function isSafeInteger(number) {\n return isInteger(number) && abs(number) <= 0x1FFFFFFFFFFFFF;\n }\n});\n","var global = require('../internals/global');\n\nmodule.exports = function (a, b) {\n var console = global.console;\n if (console && console.error) {\n arguments.length === 1 ? console.error(a) : console.error(a, b);\n }\n};\n","'use strict';\nvar toInteger = require('./_to-integer');\nvar defined = require('./_defined');\n\nmodule.exports = function repeat(count) {\n var str = String(defined(this));\n var res = '';\n var n = toInteger(count);\n if (n < 0 || n == Infinity) throw RangeError(\"Count can't be negative\");\n for (;n > 0; (n >>>= 1) && (str += str)) if (n & 1) res += str;\n return res;\n};\n","require('../../modules/es.date.now');\nrequire('../../modules/es.date.to-json');\nrequire('../../modules/es.date.to-iso-string');\nrequire('../../modules/es.date.to-string');\nrequire('../../modules/es.date.to-primitive');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Date;\n","var fails = require('../internals/fails');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar V8_VERSION = require('../internals/engine-v8-version');\n\nvar SPECIES = wellKnownSymbol('species');\n\nmodule.exports = function (METHOD_NAME) {\n // We can't use this feature detection in V8 since it causes\n // deoptimization and serious performance degradation\n // https://github.com/zloirock/core-js/issues/677\n return V8_VERSION >= 51 || !fails(function () {\n var array = [];\n var constructor = array.constructor = {};\n constructor[SPECIES] = function () {\n return { foo: 1 };\n };\n return array[METHOD_NAME](Boolean).foo !== 1;\n });\n};\n","/**\n * Copyright (c) 2014-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\nvar runtime = (function (exports) {\n \"use strict\";\n\n var Op = Object.prototype;\n var hasOwn = Op.hasOwnProperty;\n var undefined; // More compressible than void 0.\n var $Symbol = typeof Symbol === \"function\" ? Symbol : {};\n var iteratorSymbol = $Symbol.iterator || \"@@iterator\";\n var asyncIteratorSymbol = $Symbol.asyncIterator || \"@@asyncIterator\";\n var toStringTagSymbol = $Symbol.toStringTag || \"@@toStringTag\";\n\n function define(obj, key, value) {\n Object.defineProperty(obj, key, {\n value: value,\n enumerable: true,\n configurable: true,\n writable: true\n });\n return obj[key];\n }\n try {\n // IE 8 has a broken Object.defineProperty that only works on DOM objects.\n define({}, \"\");\n } catch (err) {\n define = function(obj, key, value) {\n return obj[key] = value;\n };\n }\n\n function wrap(innerFn, outerFn, self, tryLocsList) {\n // If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.\n var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;\n var generator = Object.create(protoGenerator.prototype);\n var context = new Context(tryLocsList || []);\n\n // The ._invoke method unifies the implementations of the .next,\n // .throw, and .return methods.\n generator._invoke = makeInvokeMethod(innerFn, self, context);\n\n return generator;\n }\n exports.wrap = wrap;\n\n // Try/catch helper to minimize deoptimizations. Returns a completion\n // record like context.tryEntries[i].completion. This interface could\n // have been (and was previously) designed to take a closure to be\n // invoked without arguments, but in all the cases we care about we\n // already have an existing method we want to call, so there's no need\n // to create a new function object. We can even get away with assuming\n // the method takes exactly one argument, since that happens to be true\n // in every case, so we don't have to touch the arguments object. The\n // only additional allocation required is the completion record, which\n // has a stable shape and so hopefully should be cheap to allocate.\n function tryCatch(fn, obj, arg) {\n try {\n return { type: \"normal\", arg: fn.call(obj, arg) };\n } catch (err) {\n return { type: \"throw\", arg: err };\n }\n }\n\n var GenStateSuspendedStart = \"suspendedStart\";\n var GenStateSuspendedYield = \"suspendedYield\";\n var GenStateExecuting = \"executing\";\n var GenStateCompleted = \"completed\";\n\n // Returning this object from the innerFn has the same effect as\n // breaking out of the dispatch switch statement.\n var ContinueSentinel = {};\n\n // Dummy constructor functions that we use as the .constructor and\n // .constructor.prototype properties for functions that return Generator\n // objects. For full spec compliance, you may wish to configure your\n // minifier not to mangle the names of these two functions.\n function Generator() {}\n function GeneratorFunction() {}\n function GeneratorFunctionPrototype() {}\n\n // This is a polyfill for %IteratorPrototype% for environments that\n // don't natively support it.\n var IteratorPrototype = {};\n IteratorPrototype[iteratorSymbol] = function () {\n return this;\n };\n\n var getProto = Object.getPrototypeOf;\n var NativeIteratorPrototype = getProto && getProto(getProto(values([])));\n if (NativeIteratorPrototype &&\n NativeIteratorPrototype !== Op &&\n hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {\n // This environment has a native %IteratorPrototype%; use it instead\n // of the polyfill.\n IteratorPrototype = NativeIteratorPrototype;\n }\n\n var Gp = GeneratorFunctionPrototype.prototype =\n Generator.prototype = Object.create(IteratorPrototype);\n GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;\n GeneratorFunctionPrototype.constructor = GeneratorFunction;\n GeneratorFunction.displayName = define(\n GeneratorFunctionPrototype,\n toStringTagSymbol,\n \"GeneratorFunction\"\n );\n\n // Helper for defining the .next, .throw, and .return methods of the\n // Iterator interface in terms of a single ._invoke method.\n function defineIteratorMethods(prototype) {\n [\"next\", \"throw\", \"return\"].forEach(function(method) {\n define(prototype, method, function(arg) {\n return this._invoke(method, arg);\n });\n });\n }\n\n exports.isGeneratorFunction = function(genFun) {\n var ctor = typeof genFun === \"function\" && genFun.constructor;\n return ctor\n ? ctor === GeneratorFunction ||\n // For the native GeneratorFunction constructor, the best we can\n // do is to check its .name property.\n (ctor.displayName || ctor.name) === \"GeneratorFunction\"\n : false;\n };\n\n exports.mark = function(genFun) {\n if (Object.setPrototypeOf) {\n Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);\n } else {\n genFun.__proto__ = GeneratorFunctionPrototype;\n define(genFun, toStringTagSymbol, \"GeneratorFunction\");\n }\n genFun.prototype = Object.create(Gp);\n return genFun;\n };\n\n // Within the body of any async function, `await x` is transformed to\n // `yield regeneratorRuntime.awrap(x)`, so that the runtime can test\n // `hasOwn.call(value, \"__await\")` to determine if the yielded value is\n // meant to be awaited.\n exports.awrap = function(arg) {\n return { __await: arg };\n };\n\n function AsyncIterator(generator, PromiseImpl) {\n function invoke(method, arg, resolve, reject) {\n var record = tryCatch(generator[method], generator, arg);\n if (record.type === \"throw\") {\n reject(record.arg);\n } else {\n var result = record.arg;\n var value = result.value;\n if (value &&\n typeof value === \"object\" &&\n hasOwn.call(value, \"__await\")) {\n return PromiseImpl.resolve(value.__await).then(function(value) {\n invoke(\"next\", value, resolve, reject);\n }, function(err) {\n invoke(\"throw\", err, resolve, reject);\n });\n }\n\n return PromiseImpl.resolve(value).then(function(unwrapped) {\n // When a yielded Promise is resolved, its final value becomes\n // the .value of the Promise<{value,done}> result for the\n // current iteration.\n result.value = unwrapped;\n resolve(result);\n }, function(error) {\n // If a rejected Promise was yielded, throw the rejection back\n // into the async generator function so it can be handled there.\n return invoke(\"throw\", error, resolve, reject);\n });\n }\n }\n\n var previousPromise;\n\n function enqueue(method, arg) {\n function callInvokeWithMethodAndArg() {\n return new PromiseImpl(function(resolve, reject) {\n invoke(method, arg, resolve, reject);\n });\n }\n\n return previousPromise =\n // If enqueue has been called before, then we want to wait until\n // all previous Promises have been resolved before calling invoke,\n // so that results are always delivered in the correct order. If\n // enqueue has not been called before, then it is important to\n // call invoke immediately, without waiting on a callback to fire,\n // so that the async generator function has the opportunity to do\n // any necessary setup in a predictable way. This predictability\n // is why the Promise constructor synchronously invokes its\n // executor callback, and why async functions synchronously\n // execute code before the first await. Since we implement simple\n // async functions in terms of async generators, it is especially\n // important to get this right, even though it requires care.\n previousPromise ? previousPromise.then(\n callInvokeWithMethodAndArg,\n // Avoid propagating failures to Promises returned by later\n // invocations of the iterator.\n callInvokeWithMethodAndArg\n ) : callInvokeWithMethodAndArg();\n }\n\n // Define the unified helper method that is used to implement .next,\n // .throw, and .return (see defineIteratorMethods).\n this._invoke = enqueue;\n }\n\n defineIteratorMethods(AsyncIterator.prototype);\n AsyncIterator.prototype[asyncIteratorSymbol] = function () {\n return this;\n };\n exports.AsyncIterator = AsyncIterator;\n\n // Note that simple async functions are implemented on top of\n // AsyncIterator objects; they just return a Promise for the value of\n // the final result produced by the iterator.\n exports.async = function(innerFn, outerFn, self, tryLocsList, PromiseImpl) {\n if (PromiseImpl === void 0) PromiseImpl = Promise;\n\n var iter = new AsyncIterator(\n wrap(innerFn, outerFn, self, tryLocsList),\n PromiseImpl\n );\n\n return exports.isGeneratorFunction(outerFn)\n ? iter // If outerFn is a generator, return the full iterator.\n : iter.next().then(function(result) {\n return result.done ? result.value : iter.next();\n });\n };\n\n function makeInvokeMethod(innerFn, self, context) {\n var state = GenStateSuspendedStart;\n\n return function invoke(method, arg) {\n if (state === GenStateExecuting) {\n throw new Error(\"Generator is already running\");\n }\n\n if (state === GenStateCompleted) {\n if (method === \"throw\") {\n throw arg;\n }\n\n // Be forgiving, per 25.3.3.3.3 of the spec:\n // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume\n return doneResult();\n }\n\n context.method = method;\n context.arg = arg;\n\n while (true) {\n var delegate = context.delegate;\n if (delegate) {\n var delegateResult = maybeInvokeDelegate(delegate, context);\n if (delegateResult) {\n if (delegateResult === ContinueSentinel) continue;\n return delegateResult;\n }\n }\n\n if (context.method === \"next\") {\n // Setting context._sent for legacy support of Babel's\n // function.sent implementation.\n context.sent = context._sent = context.arg;\n\n } else if (context.method === \"throw\") {\n if (state === GenStateSuspendedStart) {\n state = GenStateCompleted;\n throw context.arg;\n }\n\n context.dispatchException(context.arg);\n\n } else if (context.method === \"return\") {\n context.abrupt(\"return\", context.arg);\n }\n\n state = GenStateExecuting;\n\n var record = tryCatch(innerFn, self, context);\n if (record.type === \"normal\") {\n // If an exception is thrown from innerFn, we leave state ===\n // GenStateExecuting and loop back for another invocation.\n state = context.done\n ? GenStateCompleted\n : GenStateSuspendedYield;\n\n if (record.arg === ContinueSentinel) {\n continue;\n }\n\n return {\n value: record.arg,\n done: context.done\n };\n\n } else if (record.type === \"throw\") {\n state = GenStateCompleted;\n // Dispatch the exception by looping back around to the\n // context.dispatchException(context.arg) call above.\n context.method = \"throw\";\n context.arg = record.arg;\n }\n }\n };\n }\n\n // Call delegate.iterator[context.method](context.arg) and handle the\n // result, either by returning a { value, done } result from the\n // delegate iterator, or by modifying context.method and context.arg,\n // setting context.delegate to null, and returning the ContinueSentinel.\n function maybeInvokeDelegate(delegate, context) {\n var method = delegate.iterator[context.method];\n if (method === undefined) {\n // A .throw or .return when the delegate iterator has no .throw\n // method always terminates the yield* loop.\n context.delegate = null;\n\n if (context.method === \"throw\") {\n // Note: [\"return\"] must be used for ES3 parsing compatibility.\n if (delegate.iterator[\"return\"]) {\n // If the delegate iterator has a return method, give it a\n // chance to clean up.\n context.method = \"return\";\n context.arg = undefined;\n maybeInvokeDelegate(delegate, context);\n\n if (context.method === \"throw\") {\n // If maybeInvokeDelegate(context) changed context.method from\n // \"return\" to \"throw\", let that override the TypeError below.\n return ContinueSentinel;\n }\n }\n\n context.method = \"throw\";\n context.arg = new TypeError(\n \"The iterator does not provide a 'throw' method\");\n }\n\n return ContinueSentinel;\n }\n\n var record = tryCatch(method, delegate.iterator, context.arg);\n\n if (record.type === \"throw\") {\n context.method = \"throw\";\n context.arg = record.arg;\n context.delegate = null;\n return ContinueSentinel;\n }\n\n var info = record.arg;\n\n if (! info) {\n context.method = \"throw\";\n context.arg = new TypeError(\"iterator result is not an object\");\n context.delegate = null;\n return ContinueSentinel;\n }\n\n if (info.done) {\n // Assign the result of the finished delegate to the temporary\n // variable specified by delegate.resultName (see delegateYield).\n context[delegate.resultName] = info.value;\n\n // Resume execution at the desired location (see delegateYield).\n context.next = delegate.nextLoc;\n\n // If context.method was \"throw\" but the delegate handled the\n // exception, let the outer generator proceed normally. If\n // context.method was \"next\", forget context.arg since it has been\n // \"consumed\" by the delegate iterator. If context.method was\n // \"return\", allow the original .return call to continue in the\n // outer generator.\n if (context.method !== \"return\") {\n context.method = \"next\";\n context.arg = undefined;\n }\n\n } else {\n // Re-yield the result returned by the delegate method.\n return info;\n }\n\n // The delegate iterator is finished, so forget it and continue with\n // the outer generator.\n context.delegate = null;\n return ContinueSentinel;\n }\n\n // Define Generator.prototype.{next,throw,return} in terms of the\n // unified ._invoke helper method.\n defineIteratorMethods(Gp);\n\n define(Gp, toStringTagSymbol, \"Generator\");\n\n // A Generator should always return itself as the iterator object when the\n // @@iterator function is called on it. Some browsers' implementations of the\n // iterator prototype chain incorrectly implement this, causing the Generator\n // object to not be returned from this call. This ensures that doesn't happen.\n // See https://github.com/facebook/regenerator/issues/274 for more details.\n Gp[iteratorSymbol] = function() {\n return this;\n };\n\n Gp.toString = function() {\n return \"[object Generator]\";\n };\n\n function pushTryEntry(locs) {\n var entry = { tryLoc: locs[0] };\n\n if (1 in locs) {\n entry.catchLoc = locs[1];\n }\n\n if (2 in locs) {\n entry.finallyLoc = locs[2];\n entry.afterLoc = locs[3];\n }\n\n this.tryEntries.push(entry);\n }\n\n function resetTryEntry(entry) {\n var record = entry.completion || {};\n record.type = \"normal\";\n delete record.arg;\n entry.completion = record;\n }\n\n function Context(tryLocsList) {\n // The root entry object (effectively a try statement without a catch\n // or a finally block) gives us a place to store values thrown from\n // locations where there is no enclosing try statement.\n this.tryEntries = [{ tryLoc: \"root\" }];\n tryLocsList.forEach(pushTryEntry, this);\n this.reset(true);\n }\n\n exports.keys = function(object) {\n var keys = [];\n for (var key in object) {\n keys.push(key);\n }\n keys.reverse();\n\n // Rather than returning an object with a next method, we keep\n // things simple and return the next function itself.\n return function next() {\n while (keys.length) {\n var key = keys.pop();\n if (key in object) {\n next.value = key;\n next.done = false;\n return next;\n }\n }\n\n // To avoid creating an additional object, we just hang the .value\n // and .done properties off the next function object itself. This\n // also ensures that the minifier will not anonymize the function.\n next.done = true;\n return next;\n };\n };\n\n function values(iterable) {\n if (iterable) {\n var iteratorMethod = iterable[iteratorSymbol];\n if (iteratorMethod) {\n return iteratorMethod.call(iterable);\n }\n\n if (typeof iterable.next === \"function\") {\n return iterable;\n }\n\n if (!isNaN(iterable.length)) {\n var i = -1, next = function next() {\n while (++i < iterable.length) {\n if (hasOwn.call(iterable, i)) {\n next.value = iterable[i];\n next.done = false;\n return next;\n }\n }\n\n next.value = undefined;\n next.done = true;\n\n return next;\n };\n\n return next.next = next;\n }\n }\n\n // Return an iterator with no values.\n return { next: doneResult };\n }\n exports.values = values;\n\n function doneResult() {\n return { value: undefined, done: true };\n }\n\n Context.prototype = {\n constructor: Context,\n\n reset: function(skipTempReset) {\n this.prev = 0;\n this.next = 0;\n // Resetting context._sent for legacy support of Babel's\n // function.sent implementation.\n this.sent = this._sent = undefined;\n this.done = false;\n this.delegate = null;\n\n this.method = \"next\";\n this.arg = undefined;\n\n this.tryEntries.forEach(resetTryEntry);\n\n if (!skipTempReset) {\n for (var name in this) {\n // Not sure about the optimal order of these conditions:\n if (name.charAt(0) === \"t\" &&\n hasOwn.call(this, name) &&\n !isNaN(+name.slice(1))) {\n this[name] = undefined;\n }\n }\n }\n },\n\n stop: function() {\n this.done = true;\n\n var rootEntry = this.tryEntries[0];\n var rootRecord = rootEntry.completion;\n if (rootRecord.type === \"throw\") {\n throw rootRecord.arg;\n }\n\n return this.rval;\n },\n\n dispatchException: function(exception) {\n if (this.done) {\n throw exception;\n }\n\n var context = this;\n function handle(loc, caught) {\n record.type = \"throw\";\n record.arg = exception;\n context.next = loc;\n\n if (caught) {\n // If the dispatched exception was caught by a catch block,\n // then let that catch block handle the exception normally.\n context.method = \"next\";\n context.arg = undefined;\n }\n\n return !! caught;\n }\n\n for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n var entry = this.tryEntries[i];\n var record = entry.completion;\n\n if (entry.tryLoc === \"root\") {\n // Exception thrown outside of any try block that could handle\n // it, so set the completion value of the entire function to\n // throw the exception.\n return handle(\"end\");\n }\n\n if (entry.tryLoc <= this.prev) {\n var hasCatch = hasOwn.call(entry, \"catchLoc\");\n var hasFinally = hasOwn.call(entry, \"finallyLoc\");\n\n if (hasCatch && hasFinally) {\n if (this.prev < entry.catchLoc) {\n return handle(entry.catchLoc, true);\n } else if (this.prev < entry.finallyLoc) {\n return handle(entry.finallyLoc);\n }\n\n } else if (hasCatch) {\n if (this.prev < entry.catchLoc) {\n return handle(entry.catchLoc, true);\n }\n\n } else if (hasFinally) {\n if (this.prev < entry.finallyLoc) {\n return handle(entry.finallyLoc);\n }\n\n } else {\n throw new Error(\"try statement without catch or finally\");\n }\n }\n }\n },\n\n abrupt: function(type, arg) {\n for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n var entry = this.tryEntries[i];\n if (entry.tryLoc <= this.prev &&\n hasOwn.call(entry, \"finallyLoc\") &&\n this.prev < entry.finallyLoc) {\n var finallyEntry = entry;\n break;\n }\n }\n\n if (finallyEntry &&\n (type === \"break\" ||\n type === \"continue\") &&\n finallyEntry.tryLoc <= arg &&\n arg <= finallyEntry.finallyLoc) {\n // Ignore the finally entry if control is not jumping to a\n // location outside the try/catch block.\n finallyEntry = null;\n }\n\n var record = finallyEntry ? finallyEntry.completion : {};\n record.type = type;\n record.arg = arg;\n\n if (finallyEntry) {\n this.method = \"next\";\n this.next = finallyEntry.finallyLoc;\n return ContinueSentinel;\n }\n\n return this.complete(record);\n },\n\n complete: function(record, afterLoc) {\n if (record.type === \"throw\") {\n throw record.arg;\n }\n\n if (record.type === \"break\" ||\n record.type === \"continue\") {\n this.next = record.arg;\n } else if (record.type === \"return\") {\n this.rval = this.arg = record.arg;\n this.method = \"return\";\n this.next = \"end\";\n } else if (record.type === \"normal\" && afterLoc) {\n this.next = afterLoc;\n }\n\n return ContinueSentinel;\n },\n\n finish: function(finallyLoc) {\n for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n var entry = this.tryEntries[i];\n if (entry.finallyLoc === finallyLoc) {\n this.complete(entry.completion, entry.afterLoc);\n resetTryEntry(entry);\n return ContinueSentinel;\n }\n }\n },\n\n \"catch\": function(tryLoc) {\n for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n var entry = this.tryEntries[i];\n if (entry.tryLoc === tryLoc) {\n var record = entry.completion;\n if (record.type === \"throw\") {\n var thrown = record.arg;\n resetTryEntry(entry);\n }\n return thrown;\n }\n }\n\n // The context.catch method must only be called with a location\n // argument that corresponds to a known catch block.\n throw new Error(\"illegal catch attempt\");\n },\n\n delegateYield: function(iterable, resultName, nextLoc) {\n this.delegate = {\n iterator: values(iterable),\n resultName: resultName,\n nextLoc: nextLoc\n };\n\n if (this.method === \"next\") {\n // Deliberately forget the last sent value so that we don't\n // accidentally pass it on to the delegate.\n this.arg = undefined;\n }\n\n return ContinueSentinel;\n }\n };\n\n // Regardless of whether this script is executing as a CommonJS module\n // or not, return the runtime object so that we can declare the variable\n // regeneratorRuntime in the outer scope, which allows this module to be\n // injected easily by `bin/regenerator --include-runtime script.js`.\n return exports;\n\n}(\n // If this script is executing as a CommonJS module, use module.exports\n // as the regeneratorRuntime namespace. Otherwise create a new empty\n // object. Either way, the resulting object will be used to initialize\n // the regeneratorRuntime variable at the top of this file.\n typeof module === \"object\" ? module.exports : {}\n));\n\ntry {\n regeneratorRuntime = runtime;\n} catch (accidentalStrictMode) {\n // This module should not be running in strict mode, so the above\n // assignment should always work unless something is misconfigured. Just\n // in case runtime.js accidentally runs in strict mode, we can escape\n // strict mode using a global Function call. This could conceivably fail\n // if a Content Security Policy forbids using Function, but in that case\n // the proper solution is to fix the accidental strict mode problem. If\n // you've misconfigured your bundler to force strict mode and applied a\n // CSP to forbid Function, and you're not willing to fix either of those\n // problems, please detail your unique predicament in a GitHub issue.\n Function(\"r\", \"regeneratorRuntime = r\")(runtime);\n}\n","// 20.2.2.28 Math.sign(x)\nmodule.exports = Math.sign || function sign(x) {\n // eslint-disable-next-line no-self-compare\n return (x = +x) == 0 || x != x ? x : x < 0 ? -1 : 1;\n};\n","// optional / simple context binding\nvar aFunction = require('./_a-function');\nmodule.exports = function (fn, that, length) {\n aFunction(fn);\n if (that === undefined) return fn;\n switch (length) {\n case 1: return function (a) {\n return fn.call(that, a);\n };\n case 2: return function (a, b) {\n return fn.call(that, a, b);\n };\n case 3: return function (a, b, c) {\n return fn.call(that, a, b, c);\n };\n }\n return function (/* ...args */) {\n return fn.apply(that, arguments);\n };\n};\n","var $ = require('../internals/export');\nvar from = require('../internals/array-from');\nvar checkCorrectnessOfIteration = require('../internals/check-correctness-of-iteration');\n\nvar INCORRECT_ITERATION = !checkCorrectnessOfIteration(function (iterable) {\n Array.from(iterable);\n});\n\n// `Array.from` method\n// https://tc39.github.io/ecma262/#sec-array.from\n$({ target: 'Array', stat: true, forced: INCORRECT_ITERATION }, {\n from: from\n});\n","var global = require('../internals/global');\nvar shared = require('../internals/shared');\nvar has = require('../internals/has');\nvar uid = require('../internals/uid');\nvar NATIVE_SYMBOL = require('../internals/native-symbol');\nvar USE_SYMBOL_AS_UID = require('../internals/use-symbol-as-uid');\n\nvar WellKnownSymbolsStore = shared('wks');\nvar Symbol = global.Symbol;\nvar createWellKnownSymbol = USE_SYMBOL_AS_UID ? Symbol : Symbol && Symbol.withoutSetter || uid;\n\nmodule.exports = function (name) {\n if (!has(WellKnownSymbolsStore, name)) {\n if (NATIVE_SYMBOL && has(Symbol, name)) WellKnownSymbolsStore[name] = Symbol[name];\n else WellKnownSymbolsStore[name] = createWellKnownSymbol('Symbol.' + name);\n } return WellKnownSymbolsStore[name];\n};\n","var $ = require('../internals/export');\nvar bind = require('../internals/function-bind');\n\n// `Function.prototype.bind` method\n// https://tc39.github.io/ecma262/#sec-function.prototype.bind\n$({ target: 'Function', proto: true }, {\n bind: bind\n});\n","'use strict';\nvar $export = require('./_export');\nvar toIObject = require('./_to-iobject');\nvar toInteger = require('./_to-integer');\nvar toLength = require('./_to-length');\nvar $native = [].lastIndexOf;\nvar NEGATIVE_ZERO = !!$native && 1 / [1].lastIndexOf(1, -0) < 0;\n\n$export($export.P + $export.F * (NEGATIVE_ZERO || !require('./_strict-method')($native)), 'Array', {\n // 22.1.3.14 / 15.4.4.15 Array.prototype.lastIndexOf(searchElement [, fromIndex])\n lastIndexOf: function lastIndexOf(searchElement /* , fromIndex = @[*-1] */) {\n // convert -0 to +0\n if (NEGATIVE_ZERO) return $native.apply(this, arguments) || 0;\n var O = toIObject(this);\n var length = toLength(O.length);\n var index = length - 1;\n if (arguments.length > 1) index = Math.min(index, toInteger(arguments[1]));\n if (index < 0) index = length + index;\n for (;index >= 0; index--) if (index in O) if (O[index] === searchElement) return index || 0;\n return -1;\n }\n});\n","var TO_STRING_TAG_SUPPORT = require('../internals/to-string-tag-support');\nvar classofRaw = require('../internals/classof-raw');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar TO_STRING_TAG = wellKnownSymbol('toStringTag');\n// ES3 wrong here\nvar CORRECT_ARGUMENTS = classofRaw(function () { return arguments; }()) == 'Arguments';\n\n// fallback for IE11 Script Access Denied error\nvar tryGet = function (it, key) {\n try {\n return it[key];\n } catch (error) { /* empty */ }\n};\n\n// getting tag from ES6+ `Object.prototype.toString`\nmodule.exports = TO_STRING_TAG_SUPPORT ? classofRaw : function (it) {\n var O, tag, result;\n return it === undefined ? 'Undefined' : it === null ? 'Null'\n // @@toStringTag case\n : typeof (tag = tryGet(O = Object(it), TO_STRING_TAG)) == 'string' ? tag\n // builtinTag case\n : CORRECT_ARGUMENTS ? classofRaw(O)\n // ES3 arguments fallback\n : (result = classofRaw(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : result;\n};\n","// all object keys, includes non-enumerable and symbols\nvar gOPN = require('./_object-gopn');\nvar gOPS = require('./_object-gops');\nvar anObject = require('./_an-object');\nvar Reflect = require('./_global').Reflect;\nmodule.exports = Reflect && Reflect.ownKeys || function ownKeys(it) {\n var keys = gOPN.f(anObject(it));\n var getSymbols = gOPS.f;\n return getSymbols ? keys.concat(getSymbols(it)) : keys;\n};\n","// 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)\nvar toIObject = require('./_to-iobject');\nvar $getOwnPropertyDescriptor = require('./_object-gopd').f;\n\nrequire('./_object-sap')('getOwnPropertyDescriptor', function () {\n return function getOwnPropertyDescriptor(it, key) {\n return $getOwnPropertyDescriptor(toIObject(it), key);\n };\n});\n","// 19.1.2.15 Object.preventExtensions(O)\nvar isObject = require('./_is-object');\nvar meta = require('./_meta').onFreeze;\n\nrequire('./_object-sap')('preventExtensions', function ($preventExtensions) {\n return function preventExtensions(it) {\n return $preventExtensions && isObject(it) ? $preventExtensions(meta(it)) : it;\n };\n});\n","// `Math.sign` method implementation\n// https://tc39.github.io/ecma262/#sec-math.sign\nmodule.exports = Math.sign || function sign(x) {\n // eslint-disable-next-line no-self-compare\n return (x = +x) == 0 || x != x ? x : x < 0 ? -1 : 1;\n};\n","var $ = require('../internals/export');\nvar fails = require('../internals/fails');\nvar expm1 = require('../internals/math-expm1');\n\nvar abs = Math.abs;\nvar exp = Math.exp;\nvar E = Math.E;\n\nvar FORCED = fails(function () {\n return Math.sinh(-2e-17) != -2e-17;\n});\n\n// `Math.sinh` method\n// https://tc39.github.io/ecma262/#sec-math.sinh\n// V8 near Chromium 38 has a problem with very small numbers\n$({ target: 'Math', stat: true, forced: FORCED }, {\n sinh: function sinh(x) {\n return abs(x = +x) < 1 ? (expm1(x) - expm1(-x)) / 2 : (exp(x - 1) - exp(-x - 1)) * (E / 2);\n }\n});\n","var redefine = require('../internals/redefine');\n\nvar DatePrototype = Date.prototype;\nvar INVALID_DATE = 'Invalid Date';\nvar TO_STRING = 'toString';\nvar nativeDateToString = DatePrototype[TO_STRING];\nvar getTime = DatePrototype.getTime;\n\n// `Date.prototype.toString` method\n// https://tc39.github.io/ecma262/#sec-date.prototype.tostring\nif (new Date(NaN) + '' != INVALID_DATE) {\n redefine(DatePrototype, TO_STRING, function toString() {\n var value = getTime.call(this);\n // eslint-disable-next-line no-self-compare\n return value === value ? nativeDateToString.call(this) : INVALID_DATE;\n });\n}\n","// 20.1.2.3 Number.isInteger(number)\nvar isObject = require('./_is-object');\nvar floor = Math.floor;\nmodule.exports = function isInteger(it) {\n return !isObject(it) && isFinite(it) && floor(it) === it;\n};\n","// 22.1.3.31 Array.prototype[@@unscopables]\nvar UNSCOPABLES = require('./_wks')('unscopables');\nvar ArrayProto = Array.prototype;\nif (ArrayProto[UNSCOPABLES] == undefined) require('./_hide')(ArrayProto, UNSCOPABLES, {});\nmodule.exports = function (key) {\n ArrayProto[UNSCOPABLES][key] = true;\n};\n","'use strict';\nvar defineProperty = require('../internals/object-define-property').f;\nvar create = require('../internals/object-create');\nvar redefineAll = require('../internals/redefine-all');\nvar bind = require('../internals/function-bind-context');\nvar anInstance = require('../internals/an-instance');\nvar iterate = require('../internals/iterate');\nvar defineIterator = require('../internals/define-iterator');\nvar setSpecies = require('../internals/set-species');\nvar DESCRIPTORS = require('../internals/descriptors');\nvar fastKey = require('../internals/internal-metadata').fastKey;\nvar InternalStateModule = require('../internals/internal-state');\n\nvar setInternalState = InternalStateModule.set;\nvar internalStateGetterFor = InternalStateModule.getterFor;\n\nmodule.exports = {\n getConstructor: function (wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {\n var C = wrapper(function (that, iterable) {\n anInstance(that, C, CONSTRUCTOR_NAME);\n setInternalState(that, {\n type: CONSTRUCTOR_NAME,\n index: create(null),\n first: undefined,\n last: undefined,\n size: 0\n });\n if (!DESCRIPTORS) that.size = 0;\n if (iterable != undefined) iterate(iterable, that[ADDER], that, IS_MAP);\n });\n\n var getInternalState = internalStateGetterFor(CONSTRUCTOR_NAME);\n\n var define = function (that, key, value) {\n var state = getInternalState(that);\n var entry = getEntry(that, key);\n var previous, index;\n // change existing entry\n if (entry) {\n entry.value = value;\n // create new entry\n } else {\n state.last = entry = {\n index: index = fastKey(key, true),\n key: key,\n value: value,\n previous: previous = state.last,\n next: undefined,\n removed: false\n };\n if (!state.first) state.first = entry;\n if (previous) previous.next = entry;\n if (DESCRIPTORS) state.size++;\n else that.size++;\n // add to index\n if (index !== 'F') state.index[index] = entry;\n } return that;\n };\n\n var getEntry = function (that, key) {\n var state = getInternalState(that);\n // fast case\n var index = fastKey(key);\n var entry;\n if (index !== 'F') return state.index[index];\n // frozen object case\n for (entry = state.first; entry; entry = entry.next) {\n if (entry.key == key) return entry;\n }\n };\n\n redefineAll(C.prototype, {\n // 23.1.3.1 Map.prototype.clear()\n // 23.2.3.2 Set.prototype.clear()\n clear: function clear() {\n var that = this;\n var state = getInternalState(that);\n var data = state.index;\n var entry = state.first;\n while (entry) {\n entry.removed = true;\n if (entry.previous) entry.previous = entry.previous.next = undefined;\n delete data[entry.index];\n entry = entry.next;\n }\n state.first = state.last = undefined;\n if (DESCRIPTORS) state.size = 0;\n else that.size = 0;\n },\n // 23.1.3.3 Map.prototype.delete(key)\n // 23.2.3.4 Set.prototype.delete(value)\n 'delete': function (key) {\n var that = this;\n var state = getInternalState(that);\n var entry = getEntry(that, key);\n if (entry) {\n var next = entry.next;\n var prev = entry.previous;\n delete state.index[entry.index];\n entry.removed = true;\n if (prev) prev.next = next;\n if (next) next.previous = prev;\n if (state.first == entry) state.first = next;\n if (state.last == entry) state.last = prev;\n if (DESCRIPTORS) state.size--;\n else that.size--;\n } return !!entry;\n },\n // 23.2.3.6 Set.prototype.forEach(callbackfn, thisArg = undefined)\n // 23.1.3.5 Map.prototype.forEach(callbackfn, thisArg = undefined)\n forEach: function forEach(callbackfn /* , that = undefined */) {\n var state = getInternalState(this);\n var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);\n var entry;\n while (entry = entry ? entry.next : state.first) {\n boundFunction(entry.value, entry.key, this);\n // revert to the last existing entry\n while (entry && entry.removed) entry = entry.previous;\n }\n },\n // 23.1.3.7 Map.prototype.has(key)\n // 23.2.3.7 Set.prototype.has(value)\n has: function has(key) {\n return !!getEntry(this, key);\n }\n });\n\n redefineAll(C.prototype, IS_MAP ? {\n // 23.1.3.6 Map.prototype.get(key)\n get: function get(key) {\n var entry = getEntry(this, key);\n return entry && entry.value;\n },\n // 23.1.3.9 Map.prototype.set(key, value)\n set: function set(key, value) {\n return define(this, key === 0 ? 0 : key, value);\n }\n } : {\n // 23.2.3.1 Set.prototype.add(value)\n add: function add(value) {\n return define(this, value = value === 0 ? 0 : value, value);\n }\n });\n if (DESCRIPTORS) defineProperty(C.prototype, 'size', {\n get: function () {\n return getInternalState(this).size;\n }\n });\n return C;\n },\n setStrong: function (C, CONSTRUCTOR_NAME, IS_MAP) {\n var ITERATOR_NAME = CONSTRUCTOR_NAME + ' Iterator';\n var getInternalCollectionState = internalStateGetterFor(CONSTRUCTOR_NAME);\n var getInternalIteratorState = internalStateGetterFor(ITERATOR_NAME);\n // add .keys, .values, .entries, [@@iterator]\n // 23.1.3.4, 23.1.3.8, 23.1.3.11, 23.1.3.12, 23.2.3.5, 23.2.3.8, 23.2.3.10, 23.2.3.11\n defineIterator(C, CONSTRUCTOR_NAME, function (iterated, kind) {\n setInternalState(this, {\n type: ITERATOR_NAME,\n target: iterated,\n state: getInternalCollectionState(iterated),\n kind: kind,\n last: undefined\n });\n }, function () {\n var state = getInternalIteratorState(this);\n var kind = state.kind;\n var entry = state.last;\n // revert to the last existing entry\n while (entry && entry.removed) entry = entry.previous;\n // get next entry\n if (!state.target || !(state.last = entry = entry ? entry.next : state.state.first)) {\n // or finish the iteration\n state.target = undefined;\n return { value: undefined, done: true };\n }\n // return step by kind\n if (kind == 'keys') return { value: entry.key, done: false };\n if (kind == 'values') return { value: entry.value, done: false };\n return { value: [entry.key, entry.value], done: false };\n }, IS_MAP ? 'entries' : 'values', !IS_MAP, true);\n\n // add [@@species], 23.1.2.2, 23.2.2.2\n setSpecies(CONSTRUCTOR_NAME);\n }\n};\n","'use strict';\n// B.2.3.3 String.prototype.big()\nrequire('./_string-html')('big', function (createHTML) {\n return function big() {\n return createHTML(this, 'big', '', '');\n };\n});\n","'use strict';\nvar $forEach = require('../internals/array-iteration').forEach;\nvar arrayMethodIsStrict = require('../internals/array-method-is-strict');\nvar arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');\n\nvar STRICT_METHOD = arrayMethodIsStrict('forEach');\nvar USES_TO_LENGTH = arrayMethodUsesToLength('forEach');\n\n// `Array.prototype.forEach` method implementation\n// https://tc39.github.io/ecma262/#sec-array.prototype.foreach\nmodule.exports = (!STRICT_METHOD || !USES_TO_LENGTH) ? function forEach(callbackfn /* , thisArg */) {\n return $forEach(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);\n} : [].forEach;\n","// 7.1.15 ToLength\nvar toInteger = require('./_to-integer');\nvar min = Math.min;\nmodule.exports = function (it) {\n return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991\n};\n","// Thank's IE8 for his funny defineProperty\nmodule.exports = !require('./_fails')(function () {\n return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;\n});\n","'use strict';\n// B.2.3.8 String.prototype.fontsize(size)\nrequire('./_string-html')('fontsize', function (createHTML) {\n return function fontsize(size) {\n return createHTML(this, 'font', 'size', size);\n };\n});\n","'use strict';\nvar $ = require('../internals/export');\nvar IndexedObject = require('../internals/indexed-object');\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar arrayMethodIsStrict = require('../internals/array-method-is-strict');\n\nvar nativeJoin = [].join;\n\nvar ES3_STRINGS = IndexedObject != Object;\nvar STRICT_METHOD = arrayMethodIsStrict('join', ',');\n\n// `Array.prototype.join` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.join\n$({ target: 'Array', proto: true, forced: ES3_STRINGS || !STRICT_METHOD }, {\n join: function join(separator) {\n return nativeJoin.call(toIndexedObject(this), separator === undefined ? ',' : separator);\n }\n});\n","var $ = require('../internals/export');\nvar assign = require('../internals/object-assign');\n\n// `Object.assign` method\n// https://tc39.github.io/ecma262/#sec-object.assign\n$({ target: 'Object', stat: true, forced: Object.assign !== assign }, {\n assign: assign\n});\n","require('../modules/es6.date.now');\nrequire('../modules/es6.date.to-json');\nrequire('../modules/es6.date.to-iso-string');\nrequire('../modules/es6.date.to-string');\nrequire('../modules/es6.date.to-primitive');\nmodule.exports = Date;\n","// 20.2.2.14 Math.expm1(x)\nvar $export = require('./_export');\nvar $expm1 = require('./_math-expm1');\n\n$export($export.S + $export.F * ($expm1 != Math.expm1), 'Math', { expm1: $expm1 });\n","'use strict';\nvar aFunction = require('../internals/a-function');\n\nvar PromiseCapability = function (C) {\n var resolve, reject;\n this.promise = new C(function ($$resolve, $$reject) {\n if (resolve !== undefined || reject !== undefined) throw TypeError('Bad Promise constructor');\n resolve = $$resolve;\n reject = $$reject;\n });\n this.resolve = aFunction(resolve);\n this.reject = aFunction(reject);\n};\n\n// 25.4.1.5 NewPromiseCapability(C)\nmodule.exports.f = function (C) {\n return new PromiseCapability(C);\n};\n","'use strict';\nvar $export = require('./_export');\nvar $at = require('./_string-at')(false);\n$export($export.P, 'String', {\n // 21.1.3.3 String.prototype.codePointAt(pos)\n codePointAt: function codePointAt(pos) {\n return $at(this, pos);\n }\n});\n","// 26.1.12 Reflect.preventExtensions(target)\nvar $export = require('./_export');\nvar anObject = require('./_an-object');\nvar $preventExtensions = Object.preventExtensions;\n\n$export($export.S, 'Reflect', {\n preventExtensions: function preventExtensions(target) {\n anObject(target);\n try {\n if ($preventExtensions) $preventExtensions(target);\n return true;\n } catch (e) {\n return false;\n }\n }\n});\n","'use strict';\nvar $ = require('../internals/export');\nvar getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;\nvar toLength = require('../internals/to-length');\nvar notARegExp = require('../internals/not-a-regexp');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\nvar correctIsRegExpLogic = require('../internals/correct-is-regexp-logic');\nvar IS_PURE = require('../internals/is-pure');\n\nvar nativeStartsWith = ''.startsWith;\nvar min = Math.min;\n\nvar CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('startsWith');\n// https://github.com/zloirock/core-js/pull/702\nvar MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {\n var descriptor = getOwnPropertyDescriptor(String.prototype, 'startsWith');\n return descriptor && !descriptor.writable;\n}();\n\n// `String.prototype.startsWith` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.startswith\n$({ target: 'String', proto: true, forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC }, {\n startsWith: function startsWith(searchString /* , position = 0 */) {\n var that = String(requireObjectCoercible(this));\n notARegExp(searchString);\n var index = toLength(min(arguments.length > 1 ? arguments[1] : undefined, that.length));\n var search = String(searchString);\n return nativeStartsWith\n ? nativeStartsWith.call(that, search, index)\n : that.slice(index, index + search.length) === search;\n }\n});\n","var check = function (it) {\n return it && it.Math == Math && it;\n};\n\n// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nmodule.exports =\n // eslint-disable-next-line no-undef\n check(typeof globalThis == 'object' && globalThis) ||\n check(typeof window == 'object' && window) ||\n check(typeof self == 'object' && self) ||\n check(typeof global == 'object' && global) ||\n // eslint-disable-next-line no-new-func\n Function('return this')();\n","require('../modules/es6.parse-int');\nmodule.exports = require('../modules/_core').parseInt;\n","var $ = require('../internals/export');\n\n// `Number.MIN_SAFE_INTEGER` constant\n// https://tc39.github.io/ecma262/#sec-number.min_safe_integer\n$({ target: 'Number', stat: true }, {\n MIN_SAFE_INTEGER: -0x1FFFFFFFFFFFFF\n});\n","var anObject = require('../internals/an-object');\nvar aFunction = require('../internals/a-function');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar SPECIES = wellKnownSymbol('species');\n\n// `SpeciesConstructor` abstract operation\n// https://tc39.github.io/ecma262/#sec-speciesconstructor\nmodule.exports = function (O, defaultConstructor) {\n var C = anObject(O).constructor;\n var S;\n return C === undefined || (S = anObject(C)[SPECIES]) == undefined ? defaultConstructor : aFunction(S);\n};\n","/**\n* @license Angular v9.1.0-next.4+61.sha-e552591.with-local-changes\n* (c) 2010-2020 Google LLC. https://angular.io/\n* License: MIT\n*/\n(function (factory) {\n typeof define === 'function' && define.amd ? define(factory) :\n factory();\n}((function () { 'use strict';\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n const Zone$1 = (function (global) {\n const performance = global['performance'];\n function mark(name) { performance && performance['mark'] && performance['mark'](name); }\n function performanceMeasure(name, label) {\n performance && performance['measure'] && performance['measure'](name, label);\n }\n mark('Zone');\n // Initialize before it's accessed below.\n // __Zone_symbol_prefix global can be used to override the default zone\n // symbol prefix with a custom one if needed.\n const symbolPrefix = global['__Zone_symbol_prefix'] || '__zone_symbol__';\n function __symbol__(name) { return symbolPrefix + name; }\n const checkDuplicate = global[__symbol__('forceDuplicateZoneCheck')] === true;\n if (global['Zone']) {\n // if global['Zone'] already exists (maybe zone.js was already loaded or\n // some other lib also registered a global object named Zone), we may need\n // to throw an error, but sometimes user may not want this error.\n // For example,\n // we have two web pages, page1 includes zone.js, page2 doesn't.\n // and the 1st time user load page1 and page2, everything work fine,\n // but when user load page2 again, error occurs because global['Zone'] already exists.\n // so we add a flag to let user choose whether to throw this error or not.\n // By default, if existing Zone is from zone.js, we will not throw the error.\n if (checkDuplicate || typeof global['Zone'].__symbol__ !== 'function') {\n throw new Error('Zone already loaded.');\n }\n else {\n return global['Zone'];\n }\n }\n class Zone {\n constructor(parent, zoneSpec) {\n this._parent = parent;\n this._name = zoneSpec ? zoneSpec.name || 'unnamed' : '';\n this._properties = zoneSpec && zoneSpec.properties || {};\n this._zoneDelegate =\n new ZoneDelegate(this, this._parent && this._parent._zoneDelegate, zoneSpec);\n }\n static assertZonePatched() {\n if (global['Promise'] !== patches['ZoneAwarePromise']) {\n throw new Error('Zone.js has detected that ZoneAwarePromise `(window|global).Promise` ' +\n 'has been overwritten.\\n' +\n 'Most likely cause is that a Promise polyfill has been loaded ' +\n 'after Zone.js (Polyfilling Promise api is not necessary when zone.js is loaded. ' +\n 'If you must load one, do so before loading zone.js.)');\n }\n }\n static get root() {\n let zone = Zone.current;\n while (zone.parent) {\n zone = zone.parent;\n }\n return zone;\n }\n static get current() { return _currentZoneFrame.zone; }\n static get currentTask() { return _currentTask; }\n // tslint:disable-next-line:require-internal-with-underscore\n static __load_patch(name, fn) {\n if (patches.hasOwnProperty(name)) {\n if (checkDuplicate) {\n throw Error('Already loaded patch: ' + name);\n }\n }\n else if (!global['__Zone_disable_' + name]) {\n const perfName = 'Zone:' + name;\n mark(perfName);\n patches[name] = fn(global, Zone, _api);\n performanceMeasure(perfName, perfName);\n }\n }\n get parent() { return this._parent; }\n get name() { return this._name; }\n get(key) {\n const zone = this.getZoneWith(key);\n if (zone)\n return zone._properties[key];\n }\n getZoneWith(key) {\n let current = this;\n while (current) {\n if (current._properties.hasOwnProperty(key)) {\n return current;\n }\n current = current._parent;\n }\n return null;\n }\n fork(zoneSpec) {\n if (!zoneSpec)\n throw new Error('ZoneSpec required!');\n return this._zoneDelegate.fork(this, zoneSpec);\n }\n wrap(callback, source) {\n if (typeof callback !== 'function') {\n throw new Error('Expecting function got: ' + callback);\n }\n const _callback = this._zoneDelegate.intercept(this, callback, source);\n const zone = this;\n return function () {\n return zone.runGuarded(_callback, this, arguments, source);\n };\n }\n run(callback, applyThis, applyArgs, source) {\n _currentZoneFrame = { parent: _currentZoneFrame, zone: this };\n try {\n return this._zoneDelegate.invoke(this, callback, applyThis, applyArgs, source);\n }\n finally {\n _currentZoneFrame = _currentZoneFrame.parent;\n }\n }\n runGuarded(callback, applyThis = null, applyArgs, source) {\n _currentZoneFrame = { parent: _currentZoneFrame, zone: this };\n try {\n try {\n return this._zoneDelegate.invoke(this, callback, applyThis, applyArgs, source);\n }\n catch (error) {\n if (this._zoneDelegate.handleError(this, error)) {\n throw error;\n }\n }\n }\n finally {\n _currentZoneFrame = _currentZoneFrame.parent;\n }\n }\n runTask(task, applyThis, applyArgs) {\n if (task.zone != this) {\n throw new Error('A task can only be run in the zone of creation! (Creation: ' +\n (task.zone || NO_ZONE).name + '; Execution: ' + this.name + ')');\n }\n // https://github.com/angular/zone.js/issues/778, sometimes eventTask\n // will run in notScheduled(canceled) state, we should not try to\n // run such kind of task but just return\n if (task.state === notScheduled && (task.type === eventTask || task.type === macroTask)) {\n return;\n }\n const reEntryGuard = task.state != running;\n reEntryGuard && task._transitionTo(running, scheduled);\n task.runCount++;\n const previousTask = _currentTask;\n _currentTask = task;\n _currentZoneFrame = { parent: _currentZoneFrame, zone: this };\n try {\n if (task.type == macroTask && task.data && !task.data.isPeriodic) {\n task.cancelFn = undefined;\n }\n try {\n return this._zoneDelegate.invokeTask(this, task, applyThis, applyArgs);\n }\n catch (error) {\n if (this._zoneDelegate.handleError(this, error)) {\n throw error;\n }\n }\n }\n finally {\n // if the task's state is notScheduled or unknown, then it has already been cancelled\n // we should not reset the state to scheduled\n if (task.state !== notScheduled && task.state !== unknown) {\n if (task.type == eventTask || (task.data && task.data.isPeriodic)) {\n reEntryGuard && task._transitionTo(scheduled, running);\n }\n else {\n task.runCount = 0;\n this._updateTaskCount(task, -1);\n reEntryGuard &&\n task._transitionTo(notScheduled, running, notScheduled);\n }\n }\n _currentZoneFrame = _currentZoneFrame.parent;\n _currentTask = previousTask;\n }\n }\n scheduleTask(task) {\n if (task.zone && task.zone !== this) {\n // check if the task was rescheduled, the newZone\n // should not be the children of the original zone\n let newZone = this;\n while (newZone) {\n if (newZone === task.zone) {\n throw Error(`can not reschedule task to ${this.name} which is descendants of the original zone ${task.zone.name}`);\n }\n newZone = newZone.parent;\n }\n }\n task._transitionTo(scheduling, notScheduled);\n const zoneDelegates = [];\n task._zoneDelegates = zoneDelegates;\n task._zone = this;\n try {\n task = this._zoneDelegate.scheduleTask(this, task);\n }\n catch (err) {\n // should set task's state to unknown when scheduleTask throw error\n // because the err may from reschedule, so the fromState maybe notScheduled\n task._transitionTo(unknown, scheduling, notScheduled);\n // TODO: @JiaLiPassion, should we check the result from handleError?\n this._zoneDelegate.handleError(this, err);\n throw err;\n }\n if (task._zoneDelegates === zoneDelegates) {\n // we have to check because internally the delegate can reschedule the task.\n this._updateTaskCount(task, 1);\n }\n if (task.state == scheduling) {\n task._transitionTo(scheduled, scheduling);\n }\n return task;\n }\n scheduleMicroTask(source, callback, data, customSchedule) {\n return this.scheduleTask(new ZoneTask(microTask, source, callback, data, customSchedule, undefined));\n }\n scheduleMacroTask(source, callback, data, customSchedule, customCancel) {\n return this.scheduleTask(new ZoneTask(macroTask, source, callback, data, customSchedule, customCancel));\n }\n scheduleEventTask(source, callback, data, customSchedule, customCancel) {\n return this.scheduleTask(new ZoneTask(eventTask, source, callback, data, customSchedule, customCancel));\n }\n cancelTask(task) {\n if (task.zone != this)\n throw new Error('A task can only be cancelled in the zone of creation! (Creation: ' +\n (task.zone || NO_ZONE).name + '; Execution: ' + this.name + ')');\n task._transitionTo(canceling, scheduled, running);\n try {\n this._zoneDelegate.cancelTask(this, task);\n }\n catch (err) {\n // if error occurs when cancelTask, transit the state to unknown\n task._transitionTo(unknown, canceling);\n this._zoneDelegate.handleError(this, err);\n throw err;\n }\n this._updateTaskCount(task, -1);\n task._transitionTo(notScheduled, canceling);\n task.runCount = 0;\n return task;\n }\n _updateTaskCount(task, count) {\n const zoneDelegates = task._zoneDelegates;\n if (count == -1) {\n task._zoneDelegates = null;\n }\n for (let i = 0; i < zoneDelegates.length; i++) {\n zoneDelegates[i]._updateTaskCount(task.type, count);\n }\n }\n }\n // tslint:disable-next-line:require-internal-with-underscore\n Zone.__symbol__ = __symbol__;\n const DELEGATE_ZS = {\n name: '',\n onHasTask: (delegate, _, target, hasTaskState) => delegate.hasTask(target, hasTaskState),\n onScheduleTask: (delegate, _, target, task) => delegate.scheduleTask(target, task),\n onInvokeTask: (delegate, _, target, task, applyThis, applyArgs) => delegate.invokeTask(target, task, applyThis, applyArgs),\n onCancelTask: (delegate, _, target, task) => delegate.cancelTask(target, task)\n };\n class ZoneDelegate {\n constructor(zone, parentDelegate, zoneSpec) {\n this._taskCounts = { 'microTask': 0, 'macroTask': 0, 'eventTask': 0 };\n this.zone = zone;\n this._parentDelegate = parentDelegate;\n this._forkZS =\n zoneSpec && (zoneSpec && zoneSpec.onFork ? zoneSpec : parentDelegate._forkZS);\n this._forkDlgt = zoneSpec && (zoneSpec.onFork ? parentDelegate : parentDelegate._forkDlgt);\n this._forkCurrZone =\n zoneSpec && (zoneSpec.onFork ? this.zone : parentDelegate._forkCurrZone);\n this._interceptZS =\n zoneSpec && (zoneSpec.onIntercept ? zoneSpec : parentDelegate._interceptZS);\n this._interceptDlgt =\n zoneSpec && (zoneSpec.onIntercept ? parentDelegate : parentDelegate._interceptDlgt);\n this._interceptCurrZone =\n zoneSpec && (zoneSpec.onIntercept ? this.zone : parentDelegate._interceptCurrZone);\n this._invokeZS = zoneSpec && (zoneSpec.onInvoke ? zoneSpec : parentDelegate._invokeZS);\n this._invokeDlgt =\n zoneSpec && (zoneSpec.onInvoke ? parentDelegate : parentDelegate._invokeDlgt);\n this._invokeCurrZone =\n zoneSpec && (zoneSpec.onInvoke ? this.zone : parentDelegate._invokeCurrZone);\n this._handleErrorZS =\n zoneSpec && (zoneSpec.onHandleError ? zoneSpec : parentDelegate._handleErrorZS);\n this._handleErrorDlgt = zoneSpec &&\n (zoneSpec.onHandleError ? parentDelegate : parentDelegate._handleErrorDlgt);\n this._handleErrorCurrZone =\n zoneSpec && (zoneSpec.onHandleError ? this.zone : parentDelegate._handleErrorCurrZone);\n this._scheduleTaskZS =\n zoneSpec && (zoneSpec.onScheduleTask ? zoneSpec : parentDelegate._scheduleTaskZS);\n this._scheduleTaskDlgt = zoneSpec &&\n (zoneSpec.onScheduleTask ? parentDelegate : parentDelegate._scheduleTaskDlgt);\n this._scheduleTaskCurrZone = zoneSpec &&\n (zoneSpec.onScheduleTask ? this.zone : parentDelegate._scheduleTaskCurrZone);\n this._invokeTaskZS =\n zoneSpec && (zoneSpec.onInvokeTask ? zoneSpec : parentDelegate._invokeTaskZS);\n this._invokeTaskDlgt =\n zoneSpec && (zoneSpec.onInvokeTask ? parentDelegate : parentDelegate._invokeTaskDlgt);\n this._invokeTaskCurrZone =\n zoneSpec && (zoneSpec.onInvokeTask ? this.zone : parentDelegate._invokeTaskCurrZone);\n this._cancelTaskZS =\n zoneSpec && (zoneSpec.onCancelTask ? zoneSpec : parentDelegate._cancelTaskZS);\n this._cancelTaskDlgt =\n zoneSpec && (zoneSpec.onCancelTask ? parentDelegate : parentDelegate._cancelTaskDlgt);\n this._cancelTaskCurrZone =\n zoneSpec && (zoneSpec.onCancelTask ? this.zone : parentDelegate._cancelTaskCurrZone);\n this._hasTaskZS = null;\n this._hasTaskDlgt = null;\n this._hasTaskDlgtOwner = null;\n this._hasTaskCurrZone = null;\n const zoneSpecHasTask = zoneSpec && zoneSpec.onHasTask;\n const parentHasTask = parentDelegate && parentDelegate._hasTaskZS;\n if (zoneSpecHasTask || parentHasTask) {\n // If we need to report hasTask, than this ZS needs to do ref counting on tasks. In such\n // a case all task related interceptors must go through this ZD. We can't short circuit it.\n this._hasTaskZS = zoneSpecHasTask ? zoneSpec : DELEGATE_ZS;\n this._hasTaskDlgt = parentDelegate;\n this._hasTaskDlgtOwner = this;\n this._hasTaskCurrZone = zone;\n if (!zoneSpec.onScheduleTask) {\n this._scheduleTaskZS = DELEGATE_ZS;\n this._scheduleTaskDlgt = parentDelegate;\n this._scheduleTaskCurrZone = this.zone;\n }\n if (!zoneSpec.onInvokeTask) {\n this._invokeTaskZS = DELEGATE_ZS;\n this._invokeTaskDlgt = parentDelegate;\n this._invokeTaskCurrZone = this.zone;\n }\n if (!zoneSpec.onCancelTask) {\n this._cancelTaskZS = DELEGATE_ZS;\n this._cancelTaskDlgt = parentDelegate;\n this._cancelTaskCurrZone = this.zone;\n }\n }\n }\n fork(targetZone, zoneSpec) {\n return this._forkZS ?\n this._forkZS.onFork(this._forkDlgt, this.zone, targetZone, zoneSpec) :\n new Zone(targetZone, zoneSpec);\n }\n intercept(targetZone, callback, source) {\n return this._interceptZS ?\n this._interceptZS.onIntercept(this._interceptDlgt, this._interceptCurrZone, targetZone, callback, source) :\n callback;\n }\n invoke(targetZone, callback, applyThis, applyArgs, source) {\n return this._invokeZS ?\n this._invokeZS.onInvoke(this._invokeDlgt, this._invokeCurrZone, targetZone, callback, applyThis, applyArgs, source) :\n callback.apply(applyThis, applyArgs);\n }\n handleError(targetZone, error) {\n return this._handleErrorZS ?\n this._handleErrorZS.onHandleError(this._handleErrorDlgt, this._handleErrorCurrZone, targetZone, error) :\n true;\n }\n scheduleTask(targetZone, task) {\n let returnTask = task;\n if (this._scheduleTaskZS) {\n if (this._hasTaskZS) {\n returnTask._zoneDelegates.push(this._hasTaskDlgtOwner);\n }\n // clang-format off\n returnTask = this._scheduleTaskZS.onScheduleTask(this._scheduleTaskDlgt, this._scheduleTaskCurrZone, targetZone, task);\n // clang-format on\n if (!returnTask)\n returnTask = task;\n }\n else {\n if (task.scheduleFn) {\n task.scheduleFn(task);\n }\n else if (task.type == microTask) {\n scheduleMicroTask(task);\n }\n else {\n throw new Error('Task is missing scheduleFn.');\n }\n }\n return returnTask;\n }\n invokeTask(targetZone, task, applyThis, applyArgs) {\n return this._invokeTaskZS ?\n this._invokeTaskZS.onInvokeTask(this._invokeTaskDlgt, this._invokeTaskCurrZone, targetZone, task, applyThis, applyArgs) :\n task.callback.apply(applyThis, applyArgs);\n }\n cancelTask(targetZone, task) {\n let value;\n if (this._cancelTaskZS) {\n value = this._cancelTaskZS.onCancelTask(this._cancelTaskDlgt, this._cancelTaskCurrZone, targetZone, task);\n }\n else {\n if (!task.cancelFn) {\n throw Error('Task is not cancelable');\n }\n value = task.cancelFn(task);\n }\n return value;\n }\n hasTask(targetZone, isEmpty) {\n // hasTask should not throw error so other ZoneDelegate\n // can still trigger hasTask callback\n try {\n this._hasTaskZS &&\n this._hasTaskZS.onHasTask(this._hasTaskDlgt, this._hasTaskCurrZone, targetZone, isEmpty);\n }\n catch (err) {\n this.handleError(targetZone, err);\n }\n }\n // tslint:disable-next-line:require-internal-with-underscore\n _updateTaskCount(type, count) {\n const counts = this._taskCounts;\n const prev = counts[type];\n const next = counts[type] = prev + count;\n if (next < 0) {\n throw new Error('More tasks executed then were scheduled.');\n }\n if (prev == 0 || next == 0) {\n const isEmpty = {\n microTask: counts['microTask'] > 0,\n macroTask: counts['macroTask'] > 0,\n eventTask: counts['eventTask'] > 0,\n change: type\n };\n this.hasTask(this.zone, isEmpty);\n }\n }\n }\n class ZoneTask {\n constructor(type, source, callback, options, scheduleFn, cancelFn) {\n // tslint:disable-next-line:require-internal-with-underscore\n this._zone = null;\n this.runCount = 0;\n // tslint:disable-next-line:require-internal-with-underscore\n this._zoneDelegates = null;\n // tslint:disable-next-line:require-internal-with-underscore\n this._state = 'notScheduled';\n this.type = type;\n this.source = source;\n this.data = options;\n this.scheduleFn = scheduleFn;\n this.cancelFn = cancelFn;\n if (!callback) {\n throw new Error('callback is not defined');\n }\n this.callback = callback;\n const self = this;\n // TODO: @JiaLiPassion options should have interface\n if (type === eventTask && options && options.useG) {\n this.invoke = ZoneTask.invokeTask;\n }\n else {\n this.invoke = function () {\n return ZoneTask.invokeTask.call(global, self, this, arguments);\n };\n }\n }\n static invokeTask(task, target, args) {\n if (!task) {\n task = this;\n }\n _numberOfNestedTaskFrames++;\n try {\n task.runCount++;\n return task.zone.runTask(task, target, args);\n }\n finally {\n if (_numberOfNestedTaskFrames == 1) {\n drainMicroTaskQueue();\n }\n _numberOfNestedTaskFrames--;\n }\n }\n get zone() { return this._zone; }\n get state() { return this._state; }\n cancelScheduleRequest() { this._transitionTo(notScheduled, scheduling); }\n // tslint:disable-next-line:require-internal-with-underscore\n _transitionTo(toState, fromState1, fromState2) {\n if (this._state === fromState1 || this._state === fromState2) {\n this._state = toState;\n if (toState == notScheduled) {\n this._zoneDelegates = null;\n }\n }\n else {\n throw new Error(`${this.type} '${this.source}': can not transition to '${toState}', expecting state '${fromState1}'${fromState2 ? ' or \\'' + fromState2 + '\\'' : ''}, was '${this._state}'.`);\n }\n }\n toString() {\n if (this.data && typeof this.data.handleId !== 'undefined') {\n return this.data.handleId.toString();\n }\n else {\n return Object.prototype.toString.call(this);\n }\n }\n // add toJSON method to prevent cyclic error when\n // call JSON.stringify(zoneTask)\n toJSON() {\n return {\n type: this.type,\n state: this.state,\n source: this.source,\n zone: this.zone.name,\n runCount: this.runCount\n };\n }\n }\n //////////////////////////////////////////////////////\n //////////////////////////////////////////////////////\n /// MICROTASK QUEUE\n //////////////////////////////////////////////////////\n //////////////////////////////////////////////////////\n const symbolSetTimeout = __symbol__('setTimeout');\n const symbolPromise = __symbol__('Promise');\n const symbolThen = __symbol__('then');\n let _microTaskQueue = [];\n let _isDrainingMicrotaskQueue = false;\n let nativeMicroTaskQueuePromise;\n function scheduleMicroTask(task) {\n // if we are not running in any task, and there has not been anything scheduled\n // we must bootstrap the initial task creation by manually scheduling the drain\n if (_numberOfNestedTaskFrames === 0 && _microTaskQueue.length === 0) {\n // We are not running in Task, so we need to kickstart the microtask queue.\n if (!nativeMicroTaskQueuePromise) {\n if (global[symbolPromise]) {\n nativeMicroTaskQueuePromise = global[symbolPromise].resolve(0);\n }\n }\n if (nativeMicroTaskQueuePromise) {\n let nativeThen = nativeMicroTaskQueuePromise[symbolThen];\n if (!nativeThen) {\n // native Promise is not patchable, we need to use `then` directly\n // issue 1078\n nativeThen = nativeMicroTaskQueuePromise['then'];\n }\n nativeThen.call(nativeMicroTaskQueuePromise, drainMicroTaskQueue);\n }\n else {\n global[symbolSetTimeout](drainMicroTaskQueue, 0);\n }\n }\n task && _microTaskQueue.push(task);\n }\n function drainMicroTaskQueue() {\n if (!_isDrainingMicrotaskQueue) {\n _isDrainingMicrotaskQueue = true;\n while (_microTaskQueue.length) {\n const queue = _microTaskQueue;\n _microTaskQueue = [];\n for (let i = 0; i < queue.length; i++) {\n const task = queue[i];\n try {\n task.zone.runTask(task, null, null);\n }\n catch (error) {\n _api.onUnhandledError(error);\n }\n }\n }\n _api.microtaskDrainDone();\n _isDrainingMicrotaskQueue = false;\n }\n }\n //////////////////////////////////////////////////////\n //////////////////////////////////////////////////////\n /// BOOTSTRAP\n //////////////////////////////////////////////////////\n //////////////////////////////////////////////////////\n const NO_ZONE = { name: 'NO ZONE' };\n const notScheduled = 'notScheduled', scheduling = 'scheduling', scheduled = 'scheduled', running = 'running', canceling = 'canceling', unknown = 'unknown';\n const microTask = 'microTask', macroTask = 'macroTask', eventTask = 'eventTask';\n const patches = {};\n const _api = {\n symbol: __symbol__,\n currentZoneFrame: () => _currentZoneFrame,\n onUnhandledError: noop,\n microtaskDrainDone: noop,\n scheduleMicroTask: scheduleMicroTask,\n showUncaughtError: () => !Zone[__symbol__('ignoreConsoleErrorUncaughtError')],\n patchEventTarget: () => [],\n patchOnProperties: noop,\n patchMethod: () => noop,\n bindArguments: () => [],\n patchThen: () => noop,\n patchMacroTask: () => noop,\n setNativePromise: (NativePromise) => {\n // sometimes NativePromise.resolve static function\n // is not ready yet, (such as core-js/es6.promise)\n // so we need to check here.\n if (NativePromise && typeof NativePromise.resolve === 'function') {\n nativeMicroTaskQueuePromise = NativePromise.resolve(0);\n }\n },\n patchEventPrototype: () => noop,\n isIEOrEdge: () => false,\n getGlobalObjects: () => undefined,\n ObjectDefineProperty: () => noop,\n ObjectGetOwnPropertyDescriptor: () => undefined,\n ObjectCreate: () => undefined,\n ArraySlice: () => [],\n patchClass: () => noop,\n wrapWithCurrentZone: () => noop,\n filterProperties: () => [],\n attachOriginToPatched: () => noop,\n _redefineProperty: () => noop,\n patchCallbacks: () => noop\n };\n let _currentZoneFrame = { parent: null, zone: new Zone(null, null) };\n let _currentTask = null;\n let _numberOfNestedTaskFrames = 0;\n function noop() { }\n performanceMeasure('Zone', 'Zone');\n return global['Zone'] = Zone;\n })(typeof window !== 'undefined' && window || typeof self !== 'undefined' && self || global);\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n Zone.__load_patch('ZoneAwarePromise', (global, Zone, api) => {\n const ObjectGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;\n const ObjectDefineProperty = Object.defineProperty;\n function readableObjectToString(obj) {\n if (obj && obj.toString === Object.prototype.toString) {\n const className = obj.constructor && obj.constructor.name;\n return (className ? className : '') + ': ' + JSON.stringify(obj);\n }\n return obj ? obj.toString() : Object.prototype.toString.call(obj);\n }\n const __symbol__ = api.symbol;\n const _uncaughtPromiseErrors = [];\n const isDisableWrappingUncaughtPromiseRejection = global[__symbol__('DISABLE_WRAPPING_UNCAUGHT_PROMISE_REJECTION')] === true;\n const symbolPromise = __symbol__('Promise');\n const symbolThen = __symbol__('then');\n const creationTrace = '__creationTrace__';\n api.onUnhandledError = (e) => {\n if (api.showUncaughtError()) {\n const rejection = e && e.rejection;\n if (rejection) {\n console.error('Unhandled Promise rejection:', rejection instanceof Error ? rejection.message : rejection, '; Zone:', e.zone.name, '; Task:', e.task && e.task.source, '; Value:', rejection, rejection instanceof Error ? rejection.stack : undefined);\n }\n else {\n console.error(e);\n }\n }\n };\n api.microtaskDrainDone = () => {\n while (_uncaughtPromiseErrors.length) {\n const uncaughtPromiseError = _uncaughtPromiseErrors.shift();\n try {\n uncaughtPromiseError.zone.runGuarded(() => { throw uncaughtPromiseError; });\n }\n catch (error) {\n handleUnhandledRejection(error);\n }\n }\n };\n const UNHANDLED_PROMISE_REJECTION_HANDLER_SYMBOL = __symbol__('unhandledPromiseRejectionHandler');\n function handleUnhandledRejection(e) {\n api.onUnhandledError(e);\n try {\n const handler = Zone[UNHANDLED_PROMISE_REJECTION_HANDLER_SYMBOL];\n if (typeof handler === 'function') {\n handler.call(this, e);\n }\n }\n catch (err) {\n }\n }\n function isThenable(value) { return value && value.then; }\n function forwardResolution(value) { return value; }\n function forwardRejection(rejection) { return ZoneAwarePromise.reject(rejection); }\n const symbolState = __symbol__('state');\n const symbolValue = __symbol__('value');\n const symbolFinally = __symbol__('finally');\n const symbolParentPromiseValue = __symbol__('parentPromiseValue');\n const symbolParentPromiseState = __symbol__('parentPromiseState');\n const source = 'Promise.then';\n const UNRESOLVED = null;\n const RESOLVED = true;\n const REJECTED = false;\n const REJECTED_NO_CATCH = 0;\n function makeResolver(promise, state) {\n return (v) => {\n try {\n resolvePromise(promise, state, v);\n }\n catch (err) {\n resolvePromise(promise, false, err);\n }\n // Do not return value or you will break the Promise spec.\n };\n }\n const once = function () {\n let wasCalled = false;\n return function wrapper(wrappedFunction) {\n return function () {\n if (wasCalled) {\n return;\n }\n wasCalled = true;\n wrappedFunction.apply(null, arguments);\n };\n };\n };\n const TYPE_ERROR = 'Promise resolved with itself';\n const CURRENT_TASK_TRACE_SYMBOL = __symbol__('currentTaskTrace');\n // Promise Resolution\n function resolvePromise(promise, state, value) {\n const onceWrapper = once();\n if (promise === value) {\n throw new TypeError(TYPE_ERROR);\n }\n if (promise[symbolState] === UNRESOLVED) {\n // should only get value.then once based on promise spec.\n let then = null;\n try {\n if (typeof value === 'object' || typeof value === 'function') {\n then = value && value.then;\n }\n }\n catch (err) {\n onceWrapper(() => { resolvePromise(promise, false, err); })();\n return promise;\n }\n // if (value instanceof ZoneAwarePromise) {\n if (state !== REJECTED && value instanceof ZoneAwarePromise &&\n value.hasOwnProperty(symbolState) && value.hasOwnProperty(symbolValue) &&\n value[symbolState] !== UNRESOLVED) {\n clearRejectedNoCatch(value);\n resolvePromise(promise, value[symbolState], value[symbolValue]);\n }\n else if (state !== REJECTED && typeof then === 'function') {\n try {\n then.call(value, onceWrapper(makeResolver(promise, state)), onceWrapper(makeResolver(promise, false)));\n }\n catch (err) {\n onceWrapper(() => { resolvePromise(promise, false, err); })();\n }\n }\n else {\n promise[symbolState] = state;\n const queue = promise[symbolValue];\n promise[symbolValue] = value;\n if (promise[symbolFinally] === symbolFinally) {\n // the promise is generated by Promise.prototype.finally\n if (state === RESOLVED) {\n // the state is resolved, should ignore the value\n // and use parent promise value\n promise[symbolState] = promise[symbolParentPromiseState];\n promise[symbolValue] = promise[symbolParentPromiseValue];\n }\n }\n // record task information in value when error occurs, so we can\n // do some additional work such as render longStackTrace\n if (state === REJECTED && value instanceof Error) {\n // check if longStackTraceZone is here\n const trace = Zone.currentTask && Zone.currentTask.data &&\n Zone.currentTask.data[creationTrace];\n if (trace) {\n // only keep the long stack trace into error when in longStackTraceZone\n ObjectDefineProperty(value, CURRENT_TASK_TRACE_SYMBOL, { configurable: true, enumerable: false, writable: true, value: trace });\n }\n }\n for (let i = 0; i < queue.length;) {\n scheduleResolveOrReject(promise, queue[i++], queue[i++], queue[i++], queue[i++]);\n }\n if (queue.length == 0 && state == REJECTED) {\n promise[symbolState] = REJECTED_NO_CATCH;\n let uncaughtPromiseError = value;\n if (!isDisableWrappingUncaughtPromiseRejection) {\n // If disable wrapping uncaught promise reject\n // and the rejected value is an Error object,\n // use the value instead of wrapping it.\n try {\n // Here we throws a new Error to print more readable error log\n // and if the value is not an error, zone.js builds an `Error`\n // Object here to attach the stack information.\n throw new Error('Uncaught (in promise): ' + readableObjectToString(value) +\n (value && value.stack ? '\\n' + value.stack : ''));\n }\n catch (err) {\n uncaughtPromiseError = err;\n }\n }\n uncaughtPromiseError.rejection = value;\n uncaughtPromiseError.promise = promise;\n uncaughtPromiseError.zone = Zone.current;\n uncaughtPromiseError.task = Zone.currentTask;\n _uncaughtPromiseErrors.push(uncaughtPromiseError);\n api.scheduleMicroTask(); // to make sure that it is running\n }\n }\n }\n // Resolving an already resolved promise is a noop.\n return promise;\n }\n const REJECTION_HANDLED_HANDLER = __symbol__('rejectionHandledHandler');\n function clearRejectedNoCatch(promise) {\n if (promise[symbolState] === REJECTED_NO_CATCH) {\n // if the promise is rejected no catch status\n // and queue.length > 0, means there is a error handler\n // here to handle the rejected promise, we should trigger\n // windows.rejectionhandled eventHandler or nodejs rejectionHandled\n // eventHandler\n try {\n const handler = Zone[REJECTION_HANDLED_HANDLER];\n if (handler && typeof handler === 'function') {\n handler.call(this, { rejection: promise[symbolValue], promise: promise });\n }\n }\n catch (err) {\n }\n promise[symbolState] = REJECTED;\n for (let i = 0; i < _uncaughtPromiseErrors.length; i++) {\n if (promise === _uncaughtPromiseErrors[i].promise) {\n _uncaughtPromiseErrors.splice(i, 1);\n }\n }\n }\n }\n function scheduleResolveOrReject(promise, zone, chainPromise, onFulfilled, onRejected) {\n clearRejectedNoCatch(promise);\n const promiseState = promise[symbolState];\n const delegate = promiseState ?\n (typeof onFulfilled === 'function') ? onFulfilled : forwardResolution :\n (typeof onRejected === 'function') ? onRejected : forwardRejection;\n zone.scheduleMicroTask(source, () => {\n try {\n const parentPromiseValue = promise[symbolValue];\n const isFinallyPromise = !!chainPromise && symbolFinally === chainPromise[symbolFinally];\n if (isFinallyPromise) {\n // if the promise is generated from finally call, keep parent promise's state and value\n chainPromise[symbolParentPromiseValue] = parentPromiseValue;\n chainPromise[symbolParentPromiseState] = promiseState;\n }\n // should not pass value to finally callback\n const value = zone.run(delegate, undefined, isFinallyPromise && delegate !== forwardRejection && delegate !== forwardResolution ?\n [] :\n [parentPromiseValue]);\n resolvePromise(chainPromise, true, value);\n }\n catch (error) {\n // if error occurs, should always return this error\n resolvePromise(chainPromise, false, error);\n }\n }, chainPromise);\n }\n const ZONE_AWARE_PROMISE_TO_STRING = 'function ZoneAwarePromise() { [native code] }';\n const noop = function () { };\n class ZoneAwarePromise {\n static toString() { return ZONE_AWARE_PROMISE_TO_STRING; }\n static resolve(value) {\n return resolvePromise(new this(null), RESOLVED, value);\n }\n static reject(error) {\n return resolvePromise(new this(null), REJECTED, error);\n }\n static race(values) {\n let resolve;\n let reject;\n let promise = new this((res, rej) => {\n resolve = res;\n reject = rej;\n });\n function onResolve(value) { resolve(value); }\n function onReject(error) { reject(error); }\n for (let value of values) {\n if (!isThenable(value)) {\n value = this.resolve(value);\n }\n value.then(onResolve, onReject);\n }\n return promise;\n }\n static all(values) { return ZoneAwarePromise.allWithCallback(values); }\n static allSettled(values) {\n const P = this && this.prototype instanceof ZoneAwarePromise ? this : ZoneAwarePromise;\n return P.allWithCallback(values, {\n thenCallback: (value) => ({ status: 'fulfilled', value }),\n errorCallback: (err) => ({ status: 'rejected', reason: err })\n });\n }\n static allWithCallback(values, callback) {\n let resolve;\n let reject;\n let promise = new this((res, rej) => {\n resolve = res;\n reject = rej;\n });\n // Start at 2 to prevent prematurely resolving if .then is called immediately.\n let unresolvedCount = 2;\n let valueIndex = 0;\n const resolvedValues = [];\n for (let value of values) {\n if (!isThenable(value)) {\n value = this.resolve(value);\n }\n const curValueIndex = valueIndex;\n try {\n value.then((value) => {\n resolvedValues[curValueIndex] = callback ? callback.thenCallback(value) : value;\n unresolvedCount--;\n if (unresolvedCount === 0) {\n resolve(resolvedValues);\n }\n }, (err) => {\n if (!callback) {\n reject(err);\n }\n else {\n resolvedValues[curValueIndex] = callback.errorCallback(err);\n unresolvedCount--;\n if (unresolvedCount === 0) {\n resolve(resolvedValues);\n }\n }\n });\n }\n catch (thenErr) {\n reject(thenErr);\n }\n unresolvedCount++;\n valueIndex++;\n }\n // Make the unresolvedCount zero-based again.\n unresolvedCount -= 2;\n if (unresolvedCount === 0) {\n resolve(resolvedValues);\n }\n return promise;\n }\n constructor(executor) {\n const promise = this;\n if (!(promise instanceof ZoneAwarePromise)) {\n throw new Error('Must be an instanceof Promise.');\n }\n promise[symbolState] = UNRESOLVED;\n promise[symbolValue] = []; // queue;\n try {\n executor && executor(makeResolver(promise, RESOLVED), makeResolver(promise, REJECTED));\n }\n catch (error) {\n resolvePromise(promise, false, error);\n }\n }\n get [Symbol.toStringTag]() { return 'Promise'; }\n get [Symbol.species]() { return ZoneAwarePromise; }\n then(onFulfilled, onRejected) {\n let C = this.constructor[Symbol.species];\n if (!C || typeof C !== 'function') {\n C = this.constructor || ZoneAwarePromise;\n }\n const chainPromise = new C(noop);\n const zone = Zone.current;\n if (this[symbolState] == UNRESOLVED) {\n this[symbolValue].push(zone, chainPromise, onFulfilled, onRejected);\n }\n else {\n scheduleResolveOrReject(this, zone, chainPromise, onFulfilled, onRejected);\n }\n return chainPromise;\n }\n catch(onRejected) {\n return this.then(null, onRejected);\n }\n finally(onFinally) {\n let C = this.constructor[Symbol.species];\n if (!C || typeof C !== 'function') {\n C = ZoneAwarePromise;\n }\n const chainPromise = new C(noop);\n chainPromise[symbolFinally] = symbolFinally;\n const zone = Zone.current;\n if (this[symbolState] == UNRESOLVED) {\n this[symbolValue].push(zone, chainPromise, onFinally, onFinally);\n }\n else {\n scheduleResolveOrReject(this, zone, chainPromise, onFinally, onFinally);\n }\n return chainPromise;\n }\n }\n // Protect against aggressive optimizers dropping seemingly unused properties.\n // E.g. Closure Compiler in advanced mode.\n ZoneAwarePromise['resolve'] = ZoneAwarePromise.resolve;\n ZoneAwarePromise['reject'] = ZoneAwarePromise.reject;\n ZoneAwarePromise['race'] = ZoneAwarePromise.race;\n ZoneAwarePromise['all'] = ZoneAwarePromise.all;\n const NativePromise = global[symbolPromise] = global['Promise'];\n const ZONE_AWARE_PROMISE = Zone.__symbol__('ZoneAwarePromise');\n let desc = ObjectGetOwnPropertyDescriptor(global, 'Promise');\n if (!desc || desc.configurable) {\n desc && delete desc.writable;\n desc && delete desc.value;\n if (!desc) {\n desc = { configurable: true, enumerable: true };\n }\n desc.get = function () {\n // if we already set ZoneAwarePromise, use patched one\n // otherwise return native one.\n return global[ZONE_AWARE_PROMISE] ? global[ZONE_AWARE_PROMISE] : global[symbolPromise];\n };\n desc.set = function (NewNativePromise) {\n if (NewNativePromise === ZoneAwarePromise) {\n // if the NewNativePromise is ZoneAwarePromise\n // save to global\n global[ZONE_AWARE_PROMISE] = NewNativePromise;\n }\n else {\n // if the NewNativePromise is not ZoneAwarePromise\n // for example: after load zone.js, some library just\n // set es6-promise to global, if we set it to global\n // directly, assertZonePatched will fail and angular\n // will not loaded, so we just set the NewNativePromise\n // to global[symbolPromise], so the result is just like\n // we load ES6 Promise before zone.js\n global[symbolPromise] = NewNativePromise;\n if (!NewNativePromise.prototype[symbolThen]) {\n patchThen(NewNativePromise);\n }\n api.setNativePromise(NewNativePromise);\n }\n };\n ObjectDefineProperty(global, 'Promise', desc);\n }\n global['Promise'] = ZoneAwarePromise;\n const symbolThenPatched = __symbol__('thenPatched');\n function patchThen(Ctor) {\n const proto = Ctor.prototype;\n const prop = ObjectGetOwnPropertyDescriptor(proto, 'then');\n if (prop && (prop.writable === false || !prop.configurable)) {\n // check Ctor.prototype.then propertyDescriptor is writable or not\n // in meteor env, writable is false, we should ignore such case\n return;\n }\n const originalThen = proto.then;\n // Keep a reference to the original method.\n proto[symbolThen] = originalThen;\n Ctor.prototype.then = function (onResolve, onReject) {\n const wrapped = new ZoneAwarePromise((resolve, reject) => { originalThen.call(this, resolve, reject); });\n return wrapped.then(onResolve, onReject);\n };\n Ctor[symbolThenPatched] = true;\n }\n api.patchThen = patchThen;\n function zoneify(fn) {\n return function () {\n let resultPromise = fn.apply(this, arguments);\n if (resultPromise instanceof ZoneAwarePromise) {\n return resultPromise;\n }\n let ctor = resultPromise.constructor;\n if (!ctor[symbolThenPatched]) {\n patchThen(ctor);\n }\n return resultPromise;\n };\n }\n if (NativePromise) {\n patchThen(NativePromise);\n const fetch = global['fetch'];\n if (typeof fetch == 'function') {\n global[api.symbol('fetch')] = fetch;\n global['fetch'] = zoneify(fetch);\n }\n }\n // This is not part of public API, but it is useful for tests, so we expose it.\n Promise[Zone.__symbol__('uncaughtPromiseErrors')] = _uncaughtPromiseErrors;\n return ZoneAwarePromise;\n });\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n /**\n * Suppress closure compiler errors about unknown 'Zone' variable\n * @fileoverview\n * @suppress {undefinedVars,globalThis,missingRequire}\n */\n /// \n // issue #989, to reduce bundle size, use short name\n /** Object.getOwnPropertyDescriptor */\n const ObjectGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;\n /** Object.defineProperty */\n const ObjectDefineProperty = Object.defineProperty;\n /** Object.getPrototypeOf */\n const ObjectGetPrototypeOf = Object.getPrototypeOf;\n /** Object.create */\n const ObjectCreate = Object.create;\n /** Array.prototype.slice */\n const ArraySlice = Array.prototype.slice;\n /** addEventListener string const */\n const ADD_EVENT_LISTENER_STR = 'addEventListener';\n /** removeEventListener string const */\n const REMOVE_EVENT_LISTENER_STR = 'removeEventListener';\n /** zoneSymbol addEventListener */\n const ZONE_SYMBOL_ADD_EVENT_LISTENER = Zone.__symbol__(ADD_EVENT_LISTENER_STR);\n /** zoneSymbol removeEventListener */\n const ZONE_SYMBOL_REMOVE_EVENT_LISTENER = Zone.__symbol__(REMOVE_EVENT_LISTENER_STR);\n /** true string const */\n const TRUE_STR = 'true';\n /** false string const */\n const FALSE_STR = 'false';\n /** Zone symbol prefix string const. */\n const ZONE_SYMBOL_PREFIX = Zone.__symbol__('');\n function wrapWithCurrentZone(callback, source) {\n return Zone.current.wrap(callback, source);\n }\n function scheduleMacroTaskWithCurrentZone(source, callback, data, customSchedule, customCancel) {\n return Zone.current.scheduleMacroTask(source, callback, data, customSchedule, customCancel);\n }\n const zoneSymbol = Zone.__symbol__;\n const isWindowExists = typeof window !== 'undefined';\n const internalWindow = isWindowExists ? window : undefined;\n const _global = isWindowExists && internalWindow || typeof self === 'object' && self || global;\n const REMOVE_ATTRIBUTE = 'removeAttribute';\n const NULL_ON_PROP_VALUE = [null];\n function bindArguments(args, source) {\n for (let i = args.length - 1; i >= 0; i--) {\n if (typeof args[i] === 'function') {\n args[i] = wrapWithCurrentZone(args[i], source + '_' + i);\n }\n }\n return args;\n }\n function patchPrototype(prototype, fnNames) {\n const source = prototype.constructor['name'];\n for (let i = 0; i < fnNames.length; i++) {\n const name = fnNames[i];\n const delegate = prototype[name];\n if (delegate) {\n const prototypeDesc = ObjectGetOwnPropertyDescriptor(prototype, name);\n if (!isPropertyWritable(prototypeDesc)) {\n continue;\n }\n prototype[name] = ((delegate) => {\n const patched = function () {\n return delegate.apply(this, bindArguments(arguments, source + '.' + name));\n };\n attachOriginToPatched(patched, delegate);\n return patched;\n })(delegate);\n }\n }\n }\n function isPropertyWritable(propertyDesc) {\n if (!propertyDesc) {\n return true;\n }\n if (propertyDesc.writable === false) {\n return false;\n }\n return !(typeof propertyDesc.get === 'function' && typeof propertyDesc.set === 'undefined');\n }\n const isWebWorker = (typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope);\n // Make sure to access `process` through `_global` so that WebPack does not accidentally browserify\n // this code.\n const isNode = (!('nw' in _global) && typeof _global.process !== 'undefined' &&\n {}.toString.call(_global.process) === '[object process]');\n const isBrowser = !isNode && !isWebWorker && !!(isWindowExists && internalWindow['HTMLElement']);\n // we are in electron of nw, so we are both browser and nodejs\n // Make sure to access `process` through `_global` so that WebPack does not accidentally browserify\n // this code.\n const isMix = typeof _global.process !== 'undefined' &&\n {}.toString.call(_global.process) === '[object process]' && !isWebWorker &&\n !!(isWindowExists && internalWindow['HTMLElement']);\n const zoneSymbolEventNames = {};\n const wrapFn = function (event) {\n // https://github.com/angular/zone.js/issues/911, in IE, sometimes\n // event will be undefined, so we need to use window.event\n event = event || _global.event;\n if (!event) {\n return;\n }\n let eventNameSymbol = zoneSymbolEventNames[event.type];\n if (!eventNameSymbol) {\n eventNameSymbol = zoneSymbolEventNames[event.type] = zoneSymbol('ON_PROPERTY' + event.type);\n }\n const target = this || event.target || _global;\n const listener = target[eventNameSymbol];\n let result;\n if (isBrowser && target === internalWindow && event.type === 'error') {\n // window.onerror have different signiture\n // https://developer.mozilla.org/en-US/docs/Web/API/GlobalEventHandlers/onerror#window.onerror\n // and onerror callback will prevent default when callback return true\n const errorEvent = event;\n result = listener &&\n listener.call(this, errorEvent.message, errorEvent.filename, errorEvent.lineno, errorEvent.colno, errorEvent.error);\n if (result === true) {\n event.preventDefault();\n }\n }\n else {\n result = listener && listener.apply(this, arguments);\n if (result != undefined && !result) {\n event.preventDefault();\n }\n }\n return result;\n };\n function patchProperty(obj, prop, prototype) {\n let desc = ObjectGetOwnPropertyDescriptor(obj, prop);\n if (!desc && prototype) {\n // when patch window object, use prototype to check prop exist or not\n const prototypeDesc = ObjectGetOwnPropertyDescriptor(prototype, prop);\n if (prototypeDesc) {\n desc = { enumerable: true, configurable: true };\n }\n }\n // if the descriptor not exists or is not configurable\n // just return\n if (!desc || !desc.configurable) {\n return;\n }\n const onPropPatchedSymbol = zoneSymbol('on' + prop + 'patched');\n if (obj.hasOwnProperty(onPropPatchedSymbol) && obj[onPropPatchedSymbol]) {\n return;\n }\n // A property descriptor cannot have getter/setter and be writable\n // deleting the writable and value properties avoids this error:\n //\n // TypeError: property descriptors must not specify a value or be writable when a\n // getter or setter has been specified\n delete desc.writable;\n delete desc.value;\n const originalDescGet = desc.get;\n const originalDescSet = desc.set;\n // substr(2) cuz 'onclick' -> 'click', etc\n const eventName = prop.substr(2);\n let eventNameSymbol = zoneSymbolEventNames[eventName];\n if (!eventNameSymbol) {\n eventNameSymbol = zoneSymbolEventNames[eventName] = zoneSymbol('ON_PROPERTY' + eventName);\n }\n desc.set = function (newValue) {\n // in some of windows's onproperty callback, this is undefined\n // so we need to check it\n let target = this;\n if (!target && obj === _global) {\n target = _global;\n }\n if (!target) {\n return;\n }\n let previousValue = target[eventNameSymbol];\n if (previousValue) {\n target.removeEventListener(eventName, wrapFn);\n }\n // issue #978, when onload handler was added before loading zone.js\n // we should remove it with originalDescSet\n if (originalDescSet) {\n originalDescSet.apply(target, NULL_ON_PROP_VALUE);\n }\n if (typeof newValue === 'function') {\n target[eventNameSymbol] = newValue;\n target.addEventListener(eventName, wrapFn, false);\n }\n else {\n target[eventNameSymbol] = null;\n }\n };\n // The getter would return undefined for unassigned properties but the default value of an\n // unassigned property is null\n desc.get = function () {\n // in some of windows's onproperty callback, this is undefined\n // so we need to check it\n let target = this;\n if (!target && obj === _global) {\n target = _global;\n }\n if (!target) {\n return null;\n }\n const listener = target[eventNameSymbol];\n if (listener) {\n return listener;\n }\n else if (originalDescGet) {\n // result will be null when use inline event attribute,\n // such as \n // because the onclick function is internal raw uncompiled handler\n // the onclick will be evaluated when first time event was triggered or\n // the property is accessed, https://github.com/angular/zone.js/issues/525\n // so we should use original native get to retrieve the handler\n let value = originalDescGet && originalDescGet.call(this);\n if (value) {\n desc.set.call(this, value);\n if (typeof target[REMOVE_ATTRIBUTE] === 'function') {\n target.removeAttribute(prop);\n }\n return value;\n }\n }\n return null;\n };\n ObjectDefineProperty(obj, prop, desc);\n obj[onPropPatchedSymbol] = true;\n }\n function patchOnProperties(obj, properties, prototype) {\n if (properties) {\n for (let i = 0; i < properties.length; i++) {\n patchProperty(obj, 'on' + properties[i], prototype);\n }\n }\n else {\n const onProperties = [];\n for (const prop in obj) {\n if (prop.substr(0, 2) == 'on') {\n onProperties.push(prop);\n }\n }\n for (let j = 0; j < onProperties.length; j++) {\n patchProperty(obj, onProperties[j], prototype);\n }\n }\n }\n const originalInstanceKey = zoneSymbol('originalInstance');\n // wrap some native API on `window`\n function patchClass(className) {\n const OriginalClass = _global[className];\n if (!OriginalClass)\n return;\n // keep original class in global\n _global[zoneSymbol(className)] = OriginalClass;\n _global[className] = function () {\n const a = bindArguments(arguments, className);\n switch (a.length) {\n case 0:\n this[originalInstanceKey] = new OriginalClass();\n break;\n case 1:\n this[originalInstanceKey] = new OriginalClass(a[0]);\n break;\n case 2:\n this[originalInstanceKey] = new OriginalClass(a[0], a[1]);\n break;\n case 3:\n this[originalInstanceKey] = new OriginalClass(a[0], a[1], a[2]);\n break;\n case 4:\n this[originalInstanceKey] = new OriginalClass(a[0], a[1], a[2], a[3]);\n break;\n default:\n throw new Error('Arg list too long.');\n }\n };\n // attach original delegate to patched function\n attachOriginToPatched(_global[className], OriginalClass);\n const instance = new OriginalClass(function () { });\n let prop;\n for (prop in instance) {\n // https://bugs.webkit.org/show_bug.cgi?id=44721\n if (className === 'XMLHttpRequest' && prop === 'responseBlob')\n continue;\n (function (prop) {\n if (typeof instance[prop] === 'function') {\n _global[className].prototype[prop] = function () {\n return this[originalInstanceKey][prop].apply(this[originalInstanceKey], arguments);\n };\n }\n else {\n ObjectDefineProperty(_global[className].prototype, prop, {\n set: function (fn) {\n if (typeof fn === 'function') {\n this[originalInstanceKey][prop] = wrapWithCurrentZone(fn, className + '.' + prop);\n // keep callback in wrapped function so we can\n // use it in Function.prototype.toString to return\n // the native one.\n attachOriginToPatched(this[originalInstanceKey][prop], fn);\n }\n else {\n this[originalInstanceKey][prop] = fn;\n }\n },\n get: function () { return this[originalInstanceKey][prop]; }\n });\n }\n }(prop));\n }\n for (prop in OriginalClass) {\n if (prop !== 'prototype' && OriginalClass.hasOwnProperty(prop)) {\n _global[className][prop] = OriginalClass[prop];\n }\n }\n }\n function copySymbolProperties(src, dest) {\n if (typeof Object.getOwnPropertySymbols !== 'function') {\n return;\n }\n const symbols = Object.getOwnPropertySymbols(src);\n symbols.forEach((symbol) => {\n const desc = Object.getOwnPropertyDescriptor(src, symbol);\n Object.defineProperty(dest, symbol, {\n get: function () { return src[symbol]; },\n set: function (value) {\n if (desc && (!desc.writable || typeof desc.set !== 'function')) {\n // if src[symbol] is not writable or not have a setter, just return\n return;\n }\n src[symbol] = value;\n },\n enumerable: desc ? desc.enumerable : true,\n configurable: desc ? desc.configurable : true\n });\n });\n }\n let shouldCopySymbolProperties = false;\n function patchMethod(target, name, patchFn) {\n let proto = target;\n while (proto && !proto.hasOwnProperty(name)) {\n proto = ObjectGetPrototypeOf(proto);\n }\n if (!proto && target[name]) {\n // somehow we did not find it, but we can see it. This happens on IE for Window properties.\n proto = target;\n }\n const delegateName = zoneSymbol(name);\n let delegate = null;\n if (proto && !(delegate = proto[delegateName])) {\n delegate = proto[delegateName] = proto[name];\n // check whether proto[name] is writable\n // some property is readonly in safari, such as HtmlCanvasElement.prototype.toBlob\n const desc = proto && ObjectGetOwnPropertyDescriptor(proto, name);\n if (isPropertyWritable(desc)) {\n const patchDelegate = patchFn(delegate, delegateName, name);\n proto[name] = function () { return patchDelegate(this, arguments); };\n attachOriginToPatched(proto[name], delegate);\n if (shouldCopySymbolProperties) {\n copySymbolProperties(delegate, proto[name]);\n }\n }\n }\n return delegate;\n }\n // TODO: @JiaLiPassion, support cancel task later if necessary\n function patchMacroTask(obj, funcName, metaCreator) {\n let setNative = null;\n function scheduleTask(task) {\n const data = task.data;\n data.args[data.cbIdx] = function () { task.invoke.apply(this, arguments); };\n setNative.apply(data.target, data.args);\n return task;\n }\n setNative = patchMethod(obj, funcName, (delegate) => function (self, args) {\n const meta = metaCreator(self, args);\n if (meta.cbIdx >= 0 && typeof args[meta.cbIdx] === 'function') {\n return scheduleMacroTaskWithCurrentZone(meta.name, args[meta.cbIdx], meta, scheduleTask);\n }\n else {\n // cause an error by calling it directly.\n return delegate.apply(self, args);\n }\n });\n }\n function attachOriginToPatched(patched, original) {\n patched[zoneSymbol('OriginalDelegate')] = original;\n }\n let isDetectedIEOrEdge = false;\n let ieOrEdge = false;\n function isIE() {\n try {\n const ua = internalWindow.navigator.userAgent;\n if (ua.indexOf('MSIE ') !== -1 || ua.indexOf('Trident/') !== -1) {\n return true;\n }\n }\n catch (error) {\n }\n return false;\n }\n function isIEOrEdge() {\n if (isDetectedIEOrEdge) {\n return ieOrEdge;\n }\n isDetectedIEOrEdge = true;\n try {\n const ua = internalWindow.navigator.userAgent;\n if (ua.indexOf('MSIE ') !== -1 || ua.indexOf('Trident/') !== -1 || ua.indexOf('Edge/') !== -1) {\n ieOrEdge = true;\n }\n }\n catch (error) {\n }\n return ieOrEdge;\n }\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n // override Function.prototype.toString to make zone.js patched function\n // look like native function\n Zone.__load_patch('toString', (global) => {\n // patch Func.prototype.toString to let them look like native\n const originalFunctionToString = Function.prototype.toString;\n const ORIGINAL_DELEGATE_SYMBOL = zoneSymbol('OriginalDelegate');\n const PROMISE_SYMBOL = zoneSymbol('Promise');\n const ERROR_SYMBOL = zoneSymbol('Error');\n const newFunctionToString = function toString() {\n if (typeof this === 'function') {\n const originalDelegate = this[ORIGINAL_DELEGATE_SYMBOL];\n if (originalDelegate) {\n if (typeof originalDelegate === 'function') {\n return originalFunctionToString.call(originalDelegate);\n }\n else {\n return Object.prototype.toString.call(originalDelegate);\n }\n }\n if (this === Promise) {\n const nativePromise = global[PROMISE_SYMBOL];\n if (nativePromise) {\n return originalFunctionToString.call(nativePromise);\n }\n }\n if (this === Error) {\n const nativeError = global[ERROR_SYMBOL];\n if (nativeError) {\n return originalFunctionToString.call(nativeError);\n }\n }\n }\n return originalFunctionToString.call(this);\n };\n newFunctionToString[ORIGINAL_DELEGATE_SYMBOL] = originalFunctionToString;\n Function.prototype.toString = newFunctionToString;\n // patch Object.prototype.toString to let them look like native\n const originalObjectToString = Object.prototype.toString;\n const PROMISE_OBJECT_TO_STRING = '[object Promise]';\n Object.prototype.toString = function () {\n if (this instanceof Promise) {\n return PROMISE_OBJECT_TO_STRING;\n }\n return originalObjectToString.call(this);\n };\n });\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n let passiveSupported = false;\n if (typeof window !== 'undefined') {\n try {\n const options = Object.defineProperty({}, 'passive', { get: function () { passiveSupported = true; } });\n window.addEventListener('test', options, options);\n window.removeEventListener('test', options, options);\n }\n catch (err) {\n passiveSupported = false;\n }\n }\n // an identifier to tell ZoneTask do not create a new invoke closure\n const OPTIMIZED_ZONE_EVENT_TASK_DATA = {\n useG: true\n };\n const zoneSymbolEventNames$1 = {};\n const globalSources = {};\n const EVENT_NAME_SYMBOL_REGX = new RegExp('^' + ZONE_SYMBOL_PREFIX + '(\\\\w+)(true|false)$');\n const IMMEDIATE_PROPAGATION_SYMBOL = zoneSymbol('propagationStopped');\n function prepareEventNames(eventName, eventNameToString) {\n const falseEventName = (eventNameToString ? eventNameToString(eventName) : eventName) + FALSE_STR;\n const trueEventName = (eventNameToString ? eventNameToString(eventName) : eventName) + TRUE_STR;\n const symbol = ZONE_SYMBOL_PREFIX + falseEventName;\n const symbolCapture = ZONE_SYMBOL_PREFIX + trueEventName;\n zoneSymbolEventNames$1[eventName] = {};\n zoneSymbolEventNames$1[eventName][FALSE_STR] = symbol;\n zoneSymbolEventNames$1[eventName][TRUE_STR] = symbolCapture;\n }\n function patchEventTarget(_global, apis, patchOptions) {\n const ADD_EVENT_LISTENER = (patchOptions && patchOptions.add) || ADD_EVENT_LISTENER_STR;\n const REMOVE_EVENT_LISTENER = (patchOptions && patchOptions.rm) || REMOVE_EVENT_LISTENER_STR;\n const LISTENERS_EVENT_LISTENER = (patchOptions && patchOptions.listeners) || 'eventListeners';\n const REMOVE_ALL_LISTENERS_EVENT_LISTENER = (patchOptions && patchOptions.rmAll) || 'removeAllListeners';\n const zoneSymbolAddEventListener = zoneSymbol(ADD_EVENT_LISTENER);\n const ADD_EVENT_LISTENER_SOURCE = '.' + ADD_EVENT_LISTENER + ':';\n const PREPEND_EVENT_LISTENER = 'prependListener';\n const PREPEND_EVENT_LISTENER_SOURCE = '.' + PREPEND_EVENT_LISTENER + ':';\n const invokeTask = function (task, target, event) {\n // for better performance, check isRemoved which is set\n // by removeEventListener\n if (task.isRemoved) {\n return;\n }\n const delegate = task.callback;\n if (typeof delegate === 'object' && delegate.handleEvent) {\n // create the bind version of handleEvent when invoke\n task.callback = (event) => delegate.handleEvent(event);\n task.originalDelegate = delegate;\n }\n // invoke static task.invoke\n task.invoke(task, target, [event]);\n const options = task.options;\n if (options && typeof options === 'object' && options.once) {\n // if options.once is true, after invoke once remove listener here\n // only browser need to do this, nodejs eventEmitter will cal removeListener\n // inside EventEmitter.once\n const delegate = task.originalDelegate ? task.originalDelegate : task.callback;\n target[REMOVE_EVENT_LISTENER].call(target, event.type, delegate, options);\n }\n };\n // global shared zoneAwareCallback to handle all event callback with capture = false\n const globalZoneAwareCallback = function (event) {\n // https://github.com/angular/zone.js/issues/911, in IE, sometimes\n // event will be undefined, so we need to use window.event\n event = event || _global.event;\n if (!event) {\n return;\n }\n // event.target is needed for Samsung TV and SourceBuffer\n // || global is needed https://github.com/angular/zone.js/issues/190\n const target = this || event.target || _global;\n const tasks = target[zoneSymbolEventNames$1[event.type][FALSE_STR]];\n if (tasks) {\n // invoke all tasks which attached to current target with given event.type and capture = false\n // for performance concern, if task.length === 1, just invoke\n if (tasks.length === 1) {\n invokeTask(tasks[0], target, event);\n }\n else {\n // https://github.com/angular/zone.js/issues/836\n // copy the tasks array before invoke, to avoid\n // the callback will remove itself or other listener\n const copyTasks = tasks.slice();\n for (let i = 0; i < copyTasks.length; i++) {\n if (event && event[IMMEDIATE_PROPAGATION_SYMBOL] === true) {\n break;\n }\n invokeTask(copyTasks[i], target, event);\n }\n }\n }\n };\n // global shared zoneAwareCallback to handle all event callback with capture = true\n const globalZoneAwareCaptureCallback = function (event) {\n // https://github.com/angular/zone.js/issues/911, in IE, sometimes\n // event will be undefined, so we need to use window.event\n event = event || _global.event;\n if (!event) {\n return;\n }\n // event.target is needed for Samsung TV and SourceBuffer\n // || global is needed https://github.com/angular/zone.js/issues/190\n const target = this || event.target || _global;\n const tasks = target[zoneSymbolEventNames$1[event.type][TRUE_STR]];\n if (tasks) {\n // invoke all tasks which attached to current target with given event.type and capture = false\n // for performance concern, if task.length === 1, just invoke\n if (tasks.length === 1) {\n invokeTask(tasks[0], target, event);\n }\n else {\n // https://github.com/angular/zone.js/issues/836\n // copy the tasks array before invoke, to avoid\n // the callback will remove itself or other listener\n const copyTasks = tasks.slice();\n for (let i = 0; i < copyTasks.length; i++) {\n if (event && event[IMMEDIATE_PROPAGATION_SYMBOL] === true) {\n break;\n }\n invokeTask(copyTasks[i], target, event);\n }\n }\n }\n };\n function patchEventTargetMethods(obj, patchOptions) {\n if (!obj) {\n return false;\n }\n let useGlobalCallback = true;\n if (patchOptions && patchOptions.useG !== undefined) {\n useGlobalCallback = patchOptions.useG;\n }\n const validateHandler = patchOptions && patchOptions.vh;\n let checkDuplicate = true;\n if (patchOptions && patchOptions.chkDup !== undefined) {\n checkDuplicate = patchOptions.chkDup;\n }\n let returnTarget = false;\n if (patchOptions && patchOptions.rt !== undefined) {\n returnTarget = patchOptions.rt;\n }\n let proto = obj;\n while (proto && !proto.hasOwnProperty(ADD_EVENT_LISTENER)) {\n proto = ObjectGetPrototypeOf(proto);\n }\n if (!proto && obj[ADD_EVENT_LISTENER]) {\n // somehow we did not find it, but we can see it. This happens on IE for Window properties.\n proto = obj;\n }\n if (!proto) {\n return false;\n }\n if (proto[zoneSymbolAddEventListener]) {\n return false;\n }\n const eventNameToString = patchOptions && patchOptions.eventNameToString;\n // a shared global taskData to pass data for scheduleEventTask\n // so we do not need to create a new object just for pass some data\n const taskData = {};\n const nativeAddEventListener = proto[zoneSymbolAddEventListener] = proto[ADD_EVENT_LISTENER];\n const nativeRemoveEventListener = proto[zoneSymbol(REMOVE_EVENT_LISTENER)] =\n proto[REMOVE_EVENT_LISTENER];\n const nativeListeners = proto[zoneSymbol(LISTENERS_EVENT_LISTENER)] =\n proto[LISTENERS_EVENT_LISTENER];\n const nativeRemoveAllListeners = proto[zoneSymbol(REMOVE_ALL_LISTENERS_EVENT_LISTENER)] =\n proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER];\n let nativePrependEventListener;\n if (patchOptions && patchOptions.prepend) {\n nativePrependEventListener = proto[zoneSymbol(patchOptions.prepend)] =\n proto[patchOptions.prepend];\n }\n /**\n * This util function will build an option object with passive option\n * to handle all possible input from the user.\n */\n function buildEventListenerOptions(options, passive) {\n if (!passiveSupported && typeof options === 'object' && options) {\n // doesn't support passive but user want to pass an object as options.\n // this will not work on some old browser, so we just pass a boolean\n // as useCapture parameter\n return !!options.capture;\n }\n if (!passiveSupported || !passive) {\n return options;\n }\n if (typeof options === 'boolean') {\n return { capture: options, passive: true };\n }\n if (!options) {\n return { passive: true };\n }\n if (typeof options === 'object' && options.passive !== false) {\n return Object.assign(Object.assign({}, options), { passive: true });\n }\n return options;\n }\n const customScheduleGlobal = function (task) {\n // if there is already a task for the eventName + capture,\n // just return, because we use the shared globalZoneAwareCallback here.\n if (taskData.isExisting) {\n return;\n }\n return nativeAddEventListener.call(taskData.target, taskData.eventName, taskData.capture ? globalZoneAwareCaptureCallback : globalZoneAwareCallback, taskData.options);\n };\n const customCancelGlobal = function (task) {\n // if task is not marked as isRemoved, this call is directly\n // from Zone.prototype.cancelTask, we should remove the task\n // from tasksList of target first\n if (!task.isRemoved) {\n const symbolEventNames = zoneSymbolEventNames$1[task.eventName];\n let symbolEventName;\n if (symbolEventNames) {\n symbolEventName = symbolEventNames[task.capture ? TRUE_STR : FALSE_STR];\n }\n const existingTasks = symbolEventName && task.target[symbolEventName];\n if (existingTasks) {\n for (let i = 0; i < existingTasks.length; i++) {\n const existingTask = existingTasks[i];\n if (existingTask === task) {\n existingTasks.splice(i, 1);\n // set isRemoved to data for faster invokeTask check\n task.isRemoved = true;\n if (existingTasks.length === 0) {\n // all tasks for the eventName + capture have gone,\n // remove globalZoneAwareCallback and remove the task cache from target\n task.allRemoved = true;\n task.target[symbolEventName] = null;\n }\n break;\n }\n }\n }\n }\n // if all tasks for the eventName + capture have gone,\n // we will really remove the global event callback,\n // if not, return\n if (!task.allRemoved) {\n return;\n }\n return nativeRemoveEventListener.call(task.target, task.eventName, task.capture ? globalZoneAwareCaptureCallback : globalZoneAwareCallback, task.options);\n };\n const customScheduleNonGlobal = function (task) {\n return nativeAddEventListener.call(taskData.target, taskData.eventName, task.invoke, taskData.options);\n };\n const customSchedulePrepend = function (task) {\n return nativePrependEventListener.call(taskData.target, taskData.eventName, task.invoke, taskData.options);\n };\n const customCancelNonGlobal = function (task) {\n return nativeRemoveEventListener.call(task.target, task.eventName, task.invoke, task.options);\n };\n const customSchedule = useGlobalCallback ? customScheduleGlobal : customScheduleNonGlobal;\n const customCancel = useGlobalCallback ? customCancelGlobal : customCancelNonGlobal;\n const compareTaskCallbackVsDelegate = function (task, delegate) {\n const typeOfDelegate = typeof delegate;\n return (typeOfDelegate === 'function' && task.callback === delegate) ||\n (typeOfDelegate === 'object' && task.originalDelegate === delegate);\n };\n const compare = (patchOptions && patchOptions.diff) ? patchOptions.diff : compareTaskCallbackVsDelegate;\n const blackListedEvents = Zone[zoneSymbol('BLACK_LISTED_EVENTS')];\n const passiveEvents = _global[zoneSymbol('PASSIVE_EVENTS')];\n const makeAddListener = function (nativeListener, addSource, customScheduleFn, customCancelFn, returnTarget = false, prepend = false) {\n return function () {\n const target = this || _global;\n let eventName = arguments[0];\n if (patchOptions && patchOptions.transferEventName) {\n eventName = patchOptions.transferEventName(eventName);\n }\n let delegate = arguments[1];\n if (!delegate) {\n return nativeListener.apply(this, arguments);\n }\n if (isNode && eventName === 'uncaughtException') {\n // don't patch uncaughtException of nodejs to prevent endless loop\n return nativeListener.apply(this, arguments);\n }\n // don't create the bind delegate function for handleEvent\n // case here to improve addEventListener performance\n // we will create the bind delegate when invoke\n let isHandleEvent = false;\n if (typeof delegate !== 'function') {\n if (!delegate.handleEvent) {\n return nativeListener.apply(this, arguments);\n }\n isHandleEvent = true;\n }\n if (validateHandler && !validateHandler(nativeListener, delegate, target, arguments)) {\n return;\n }\n const passive = passiveSupported && !!passiveEvents && passiveEvents.indexOf(eventName) !== -1;\n const options = buildEventListenerOptions(arguments[2], passive);\n if (blackListedEvents) {\n // check black list\n for (let i = 0; i < blackListedEvents.length; i++) {\n if (eventName === blackListedEvents[i]) {\n if (passive) {\n return nativeListener.call(target, eventName, delegate, options);\n }\n else {\n return nativeListener.apply(this, arguments);\n }\n }\n }\n }\n const capture = !options ? false : typeof options === 'boolean' ? true : options.capture;\n const once = options && typeof options === 'object' ? options.once : false;\n const zone = Zone.current;\n let symbolEventNames = zoneSymbolEventNames$1[eventName];\n if (!symbolEventNames) {\n prepareEventNames(eventName, eventNameToString);\n symbolEventNames = zoneSymbolEventNames$1[eventName];\n }\n const symbolEventName = symbolEventNames[capture ? TRUE_STR : FALSE_STR];\n let existingTasks = target[symbolEventName];\n let isExisting = false;\n if (existingTasks) {\n // already have task registered\n isExisting = true;\n if (checkDuplicate) {\n for (let i = 0; i < existingTasks.length; i++) {\n if (compare(existingTasks[i], delegate)) {\n // same callback, same capture, same event name, just return\n return;\n }\n }\n }\n }\n else {\n existingTasks = target[symbolEventName] = [];\n }\n let source;\n const constructorName = target.constructor['name'];\n const targetSource = globalSources[constructorName];\n if (targetSource) {\n source = targetSource[eventName];\n }\n if (!source) {\n source = constructorName + addSource +\n (eventNameToString ? eventNameToString(eventName) : eventName);\n }\n // do not create a new object as task.data to pass those things\n // just use the global shared one\n taskData.options = options;\n if (once) {\n // if addEventListener with once options, we don't pass it to\n // native addEventListener, instead we keep the once setting\n // and handle ourselves.\n taskData.options.once = false;\n }\n taskData.target = target;\n taskData.capture = capture;\n taskData.eventName = eventName;\n taskData.isExisting = isExisting;\n const data = useGlobalCallback ? OPTIMIZED_ZONE_EVENT_TASK_DATA : undefined;\n // keep taskData into data to allow onScheduleEventTask to access the task information\n if (data) {\n data.taskData = taskData;\n }\n const task = zone.scheduleEventTask(source, delegate, data, customScheduleFn, customCancelFn);\n // should clear taskData.target to avoid memory leak\n // issue, https://github.com/angular/angular/issues/20442\n taskData.target = null;\n // need to clear up taskData because it is a global object\n if (data) {\n data.taskData = null;\n }\n // have to save those information to task in case\n // application may call task.zone.cancelTask() directly\n if (once) {\n options.once = true;\n }\n if (!(!passiveSupported && typeof task.options === 'boolean')) {\n // if not support passive, and we pass an option object\n // to addEventListener, we should save the options to task\n task.options = options;\n }\n task.target = target;\n task.capture = capture;\n task.eventName = eventName;\n if (isHandleEvent) {\n // save original delegate for compare to check duplicate\n task.originalDelegate = delegate;\n }\n if (!prepend) {\n existingTasks.push(task);\n }\n else {\n existingTasks.unshift(task);\n }\n if (returnTarget) {\n return target;\n }\n };\n };\n proto[ADD_EVENT_LISTENER] = makeAddListener(nativeAddEventListener, ADD_EVENT_LISTENER_SOURCE, customSchedule, customCancel, returnTarget);\n if (nativePrependEventListener) {\n proto[PREPEND_EVENT_LISTENER] = makeAddListener(nativePrependEventListener, PREPEND_EVENT_LISTENER_SOURCE, customSchedulePrepend, customCancel, returnTarget, true);\n }\n proto[REMOVE_EVENT_LISTENER] = function () {\n const target = this || _global;\n let eventName = arguments[0];\n if (patchOptions && patchOptions.transferEventName) {\n eventName = patchOptions.transferEventName(eventName);\n }\n const options = arguments[2];\n const capture = !options ? false : typeof options === 'boolean' ? true : options.capture;\n const delegate = arguments[1];\n if (!delegate) {\n return nativeRemoveEventListener.apply(this, arguments);\n }\n if (validateHandler &&\n !validateHandler(nativeRemoveEventListener, delegate, target, arguments)) {\n return;\n }\n const symbolEventNames = zoneSymbolEventNames$1[eventName];\n let symbolEventName;\n if (symbolEventNames) {\n symbolEventName = symbolEventNames[capture ? TRUE_STR : FALSE_STR];\n }\n const existingTasks = symbolEventName && target[symbolEventName];\n if (existingTasks) {\n for (let i = 0; i < existingTasks.length; i++) {\n const existingTask = existingTasks[i];\n if (compare(existingTask, delegate)) {\n existingTasks.splice(i, 1);\n // set isRemoved to data for faster invokeTask check\n existingTask.isRemoved = true;\n if (existingTasks.length === 0) {\n // all tasks for the eventName + capture have gone,\n // remove globalZoneAwareCallback and remove the task cache from target\n existingTask.allRemoved = true;\n target[symbolEventName] = null;\n // in the target, we have an event listener which is added by on_property\n // such as target.onclick = function() {}, so we need to clear this internal\n // property too if all delegates all removed\n if (typeof eventName === 'string') {\n const onPropertySymbol = ZONE_SYMBOL_PREFIX + 'ON_PROPERTY' + eventName;\n target[onPropertySymbol] = null;\n }\n }\n existingTask.zone.cancelTask(existingTask);\n if (returnTarget) {\n return target;\n }\n return;\n }\n }\n }\n // issue 930, didn't find the event name or callback\n // from zone kept existingTasks, the callback maybe\n // added outside of zone, we need to call native removeEventListener\n // to try to remove it.\n return nativeRemoveEventListener.apply(this, arguments);\n };\n proto[LISTENERS_EVENT_LISTENER] = function () {\n const target = this || _global;\n let eventName = arguments[0];\n if (patchOptions && patchOptions.transferEventName) {\n eventName = patchOptions.transferEventName(eventName);\n }\n const listeners = [];\n const tasks = findEventTasks(target, eventNameToString ? eventNameToString(eventName) : eventName);\n for (let i = 0; i < tasks.length; i++) {\n const task = tasks[i];\n let delegate = task.originalDelegate ? task.originalDelegate : task.callback;\n listeners.push(delegate);\n }\n return listeners;\n };\n proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER] = function () {\n const target = this || _global;\n let eventName = arguments[0];\n if (!eventName) {\n const keys = Object.keys(target);\n for (let i = 0; i < keys.length; i++) {\n const prop = keys[i];\n const match = EVENT_NAME_SYMBOL_REGX.exec(prop);\n let evtName = match && match[1];\n // in nodejs EventEmitter, removeListener event is\n // used for monitoring the removeListener call,\n // so just keep removeListener eventListener until\n // all other eventListeners are removed\n if (evtName && evtName !== 'removeListener') {\n this[REMOVE_ALL_LISTENERS_EVENT_LISTENER].call(this, evtName);\n }\n }\n // remove removeListener listener finally\n this[REMOVE_ALL_LISTENERS_EVENT_LISTENER].call(this, 'removeListener');\n }\n else {\n if (patchOptions && patchOptions.transferEventName) {\n eventName = patchOptions.transferEventName(eventName);\n }\n const symbolEventNames = zoneSymbolEventNames$1[eventName];\n if (symbolEventNames) {\n const symbolEventName = symbolEventNames[FALSE_STR];\n const symbolCaptureEventName = symbolEventNames[TRUE_STR];\n const tasks = target[symbolEventName];\n const captureTasks = target[symbolCaptureEventName];\n if (tasks) {\n const removeTasks = tasks.slice();\n for (let i = 0; i < removeTasks.length; i++) {\n const task = removeTasks[i];\n let delegate = task.originalDelegate ? task.originalDelegate : task.callback;\n this[REMOVE_EVENT_LISTENER].call(this, eventName, delegate, task.options);\n }\n }\n if (captureTasks) {\n const removeTasks = captureTasks.slice();\n for (let i = 0; i < removeTasks.length; i++) {\n const task = removeTasks[i];\n let delegate = task.originalDelegate ? task.originalDelegate : task.callback;\n this[REMOVE_EVENT_LISTENER].call(this, eventName, delegate, task.options);\n }\n }\n }\n }\n if (returnTarget) {\n return this;\n }\n };\n // for native toString patch\n attachOriginToPatched(proto[ADD_EVENT_LISTENER], nativeAddEventListener);\n attachOriginToPatched(proto[REMOVE_EVENT_LISTENER], nativeRemoveEventListener);\n if (nativeRemoveAllListeners) {\n attachOriginToPatched(proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER], nativeRemoveAllListeners);\n }\n if (nativeListeners) {\n attachOriginToPatched(proto[LISTENERS_EVENT_LISTENER], nativeListeners);\n }\n return true;\n }\n let results = [];\n for (let i = 0; i < apis.length; i++) {\n results[i] = patchEventTargetMethods(apis[i], patchOptions);\n }\n return results;\n }\n function findEventTasks(target, eventName) {\n if (!eventName) {\n const foundTasks = [];\n for (let prop in target) {\n const match = EVENT_NAME_SYMBOL_REGX.exec(prop);\n let evtName = match && match[1];\n if (evtName && (!eventName || evtName === eventName)) {\n const tasks = target[prop];\n if (tasks) {\n for (let i = 0; i < tasks.length; i++) {\n foundTasks.push(tasks[i]);\n }\n }\n }\n }\n return foundTasks;\n }\n let symbolEventName = zoneSymbolEventNames$1[eventName];\n if (!symbolEventName) {\n prepareEventNames(eventName);\n symbolEventName = zoneSymbolEventNames$1[eventName];\n }\n const captureFalseTasks = target[symbolEventName[FALSE_STR]];\n const captureTrueTasks = target[symbolEventName[TRUE_STR]];\n if (!captureFalseTasks) {\n return captureTrueTasks ? captureTrueTasks.slice() : [];\n }\n else {\n return captureTrueTasks ? captureFalseTasks.concat(captureTrueTasks) :\n captureFalseTasks.slice();\n }\n }\n function patchEventPrototype(global, api) {\n const Event = global['Event'];\n if (Event && Event.prototype) {\n api.patchMethod(Event.prototype, 'stopImmediatePropagation', (delegate) => function (self, args) {\n self[IMMEDIATE_PROPAGATION_SYMBOL] = true;\n // we need to call the native stopImmediatePropagation\n // in case in some hybrid application, some part of\n // application will be controlled by zone, some are not\n delegate && delegate.apply(self, args);\n });\n }\n }\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n function patchCallbacks(api, target, targetName, method, callbacks) {\n const symbol = Zone.__symbol__(method);\n if (target[symbol]) {\n return;\n }\n const nativeDelegate = target[symbol] = target[method];\n target[method] = function (name, opts, options) {\n if (opts && opts.prototype) {\n callbacks.forEach(function (callback) {\n const source = `${targetName}.${method}::` + callback;\n const prototype = opts.prototype;\n if (prototype.hasOwnProperty(callback)) {\n const descriptor = api.ObjectGetOwnPropertyDescriptor(prototype, callback);\n if (descriptor && descriptor.value) {\n descriptor.value = api.wrapWithCurrentZone(descriptor.value, source);\n api._redefineProperty(opts.prototype, callback, descriptor);\n }\n else if (prototype[callback]) {\n prototype[callback] = api.wrapWithCurrentZone(prototype[callback], source);\n }\n }\n else if (prototype[callback]) {\n prototype[callback] = api.wrapWithCurrentZone(prototype[callback], source);\n }\n });\n }\n return nativeDelegate.call(target, name, opts, options);\n };\n api.attachOriginToPatched(target[method], nativeDelegate);\n }\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n const globalEventHandlersEventNames = [\n 'abort',\n 'animationcancel',\n 'animationend',\n 'animationiteration',\n 'auxclick',\n 'beforeinput',\n 'blur',\n 'cancel',\n 'canplay',\n 'canplaythrough',\n 'change',\n 'compositionstart',\n 'compositionupdate',\n 'compositionend',\n 'cuechange',\n 'click',\n 'close',\n 'contextmenu',\n 'curechange',\n 'dblclick',\n 'drag',\n 'dragend',\n 'dragenter',\n 'dragexit',\n 'dragleave',\n 'dragover',\n 'drop',\n 'durationchange',\n 'emptied',\n 'ended',\n 'error',\n 'focus',\n 'focusin',\n 'focusout',\n 'gotpointercapture',\n 'input',\n 'invalid',\n 'keydown',\n 'keypress',\n 'keyup',\n 'load',\n 'loadstart',\n 'loadeddata',\n 'loadedmetadata',\n 'lostpointercapture',\n 'mousedown',\n 'mouseenter',\n 'mouseleave',\n 'mousemove',\n 'mouseout',\n 'mouseover',\n 'mouseup',\n 'mousewheel',\n 'orientationchange',\n 'pause',\n 'play',\n 'playing',\n 'pointercancel',\n 'pointerdown',\n 'pointerenter',\n 'pointerleave',\n 'pointerlockchange',\n 'mozpointerlockchange',\n 'webkitpointerlockerchange',\n 'pointerlockerror',\n 'mozpointerlockerror',\n 'webkitpointerlockerror',\n 'pointermove',\n 'pointout',\n 'pointerover',\n 'pointerup',\n 'progress',\n 'ratechange',\n 'reset',\n 'resize',\n 'scroll',\n 'seeked',\n 'seeking',\n 'select',\n 'selectionchange',\n 'selectstart',\n 'show',\n 'sort',\n 'stalled',\n 'submit',\n 'suspend',\n 'timeupdate',\n 'volumechange',\n 'touchcancel',\n 'touchmove',\n 'touchstart',\n 'touchend',\n 'transitioncancel',\n 'transitionend',\n 'waiting',\n 'wheel'\n ];\n const documentEventNames = [\n 'afterscriptexecute', 'beforescriptexecute', 'DOMContentLoaded', 'freeze', 'fullscreenchange',\n 'mozfullscreenchange', 'webkitfullscreenchange', 'msfullscreenchange', 'fullscreenerror',\n 'mozfullscreenerror', 'webkitfullscreenerror', 'msfullscreenerror', 'readystatechange',\n 'visibilitychange', 'resume'\n ];\n const windowEventNames = [\n 'absolutedeviceorientation',\n 'afterinput',\n 'afterprint',\n 'appinstalled',\n 'beforeinstallprompt',\n 'beforeprint',\n 'beforeunload',\n 'devicelight',\n 'devicemotion',\n 'deviceorientation',\n 'deviceorientationabsolute',\n 'deviceproximity',\n 'hashchange',\n 'languagechange',\n 'message',\n 'mozbeforepaint',\n 'offline',\n 'online',\n 'paint',\n 'pageshow',\n 'pagehide',\n 'popstate',\n 'rejectionhandled',\n 'storage',\n 'unhandledrejection',\n 'unload',\n 'userproximity',\n 'vrdisplayconnected',\n 'vrdisplaydisconnected',\n 'vrdisplaypresentchange'\n ];\n const htmlElementEventNames = [\n 'beforecopy', 'beforecut', 'beforepaste', 'copy', 'cut', 'paste', 'dragstart', 'loadend',\n 'animationstart', 'search', 'transitionrun', 'transitionstart', 'webkitanimationend',\n 'webkitanimationiteration', 'webkitanimationstart', 'webkittransitionend'\n ];\n const mediaElementEventNames = ['encrypted', 'waitingforkey', 'msneedkey', 'mozinterruptbegin', 'mozinterruptend'];\n const ieElementEventNames = [\n 'activate',\n 'afterupdate',\n 'ariarequest',\n 'beforeactivate',\n 'beforedeactivate',\n 'beforeeditfocus',\n 'beforeupdate',\n 'cellchange',\n 'controlselect',\n 'dataavailable',\n 'datasetchanged',\n 'datasetcomplete',\n 'errorupdate',\n 'filterchange',\n 'layoutcomplete',\n 'losecapture',\n 'move',\n 'moveend',\n 'movestart',\n 'propertychange',\n 'resizeend',\n 'resizestart',\n 'rowenter',\n 'rowexit',\n 'rowsdelete',\n 'rowsinserted',\n 'command',\n 'compassneedscalibration',\n 'deactivate',\n 'help',\n 'mscontentzoom',\n 'msmanipulationstatechanged',\n 'msgesturechange',\n 'msgesturedoubletap',\n 'msgestureend',\n 'msgesturehold',\n 'msgesturestart',\n 'msgesturetap',\n 'msgotpointercapture',\n 'msinertiastart',\n 'mslostpointercapture',\n 'mspointercancel',\n 'mspointerdown',\n 'mspointerenter',\n 'mspointerhover',\n 'mspointerleave',\n 'mspointermove',\n 'mspointerout',\n 'mspointerover',\n 'mspointerup',\n 'pointerout',\n 'mssitemodejumplistitemremoved',\n 'msthumbnailclick',\n 'stop',\n 'storagecommit'\n ];\n const webglEventNames = ['webglcontextrestored', 'webglcontextlost', 'webglcontextcreationerror'];\n const formEventNames = ['autocomplete', 'autocompleteerror'];\n const detailEventNames = ['toggle'];\n const frameEventNames = ['load'];\n const frameSetEventNames = ['blur', 'error', 'focus', 'load', 'resize', 'scroll', 'messageerror'];\n const marqueeEventNames = ['bounce', 'finish', 'start'];\n const XMLHttpRequestEventNames = [\n 'loadstart', 'progress', 'abort', 'error', 'load', 'progress', 'timeout', 'loadend',\n 'readystatechange'\n ];\n const IDBIndexEventNames = ['upgradeneeded', 'complete', 'abort', 'success', 'error', 'blocked', 'versionchange', 'close'];\n const websocketEventNames = ['close', 'error', 'open', 'message'];\n const workerEventNames = ['error', 'message'];\n const eventNames = globalEventHandlersEventNames.concat(webglEventNames, formEventNames, detailEventNames, documentEventNames, windowEventNames, htmlElementEventNames, ieElementEventNames);\n function filterProperties(target, onProperties, ignoreProperties) {\n if (!ignoreProperties || ignoreProperties.length === 0) {\n return onProperties;\n }\n const tip = ignoreProperties.filter(ip => ip.target === target);\n if (!tip || tip.length === 0) {\n return onProperties;\n }\n const targetIgnoreProperties = tip[0].ignoreProperties;\n return onProperties.filter(op => targetIgnoreProperties.indexOf(op) === -1);\n }\n function patchFilteredProperties(target, onProperties, ignoreProperties, prototype) {\n // check whether target is available, sometimes target will be undefined\n // because different browser or some 3rd party plugin.\n if (!target) {\n return;\n }\n const filteredProperties = filterProperties(target, onProperties, ignoreProperties);\n patchOnProperties(target, filteredProperties, prototype);\n }\n function propertyDescriptorPatch(api, _global) {\n if (isNode && !isMix) {\n return;\n }\n if (Zone[api.symbol('patchEvents')]) {\n // events are already been patched by legacy patch.\n return;\n }\n const supportsWebSocket = typeof WebSocket !== 'undefined';\n const ignoreProperties = _global['__Zone_ignore_on_properties'];\n // for browsers that we can patch the descriptor: Chrome & Firefox\n if (isBrowser) {\n const internalWindow = window;\n const ignoreErrorProperties = isIE ? [{ target: internalWindow, ignoreProperties: ['error'] }] : [];\n // in IE/Edge, onProp not exist in window object, but in WindowPrototype\n // so we need to pass WindowPrototype to check onProp exist or not\n patchFilteredProperties(internalWindow, eventNames.concat(['messageerror']), ignoreProperties ? ignoreProperties.concat(ignoreErrorProperties) : ignoreProperties, ObjectGetPrototypeOf(internalWindow));\n patchFilteredProperties(Document.prototype, eventNames, ignoreProperties);\n if (typeof internalWindow['SVGElement'] !== 'undefined') {\n patchFilteredProperties(internalWindow['SVGElement'].prototype, eventNames, ignoreProperties);\n }\n patchFilteredProperties(Element.prototype, eventNames, ignoreProperties);\n patchFilteredProperties(HTMLElement.prototype, eventNames, ignoreProperties);\n patchFilteredProperties(HTMLMediaElement.prototype, mediaElementEventNames, ignoreProperties);\n patchFilteredProperties(HTMLFrameSetElement.prototype, windowEventNames.concat(frameSetEventNames), ignoreProperties);\n patchFilteredProperties(HTMLBodyElement.prototype, windowEventNames.concat(frameSetEventNames), ignoreProperties);\n patchFilteredProperties(HTMLFrameElement.prototype, frameEventNames, ignoreProperties);\n patchFilteredProperties(HTMLIFrameElement.prototype, frameEventNames, ignoreProperties);\n const HTMLMarqueeElement = internalWindow['HTMLMarqueeElement'];\n if (HTMLMarqueeElement) {\n patchFilteredProperties(HTMLMarqueeElement.prototype, marqueeEventNames, ignoreProperties);\n }\n const Worker = internalWindow['Worker'];\n if (Worker) {\n patchFilteredProperties(Worker.prototype, workerEventNames, ignoreProperties);\n }\n }\n const XMLHttpRequest = _global['XMLHttpRequest'];\n if (XMLHttpRequest) {\n // XMLHttpRequest is not available in ServiceWorker, so we need to check here\n patchFilteredProperties(XMLHttpRequest.prototype, XMLHttpRequestEventNames, ignoreProperties);\n }\n const XMLHttpRequestEventTarget = _global['XMLHttpRequestEventTarget'];\n if (XMLHttpRequestEventTarget) {\n patchFilteredProperties(XMLHttpRequestEventTarget && XMLHttpRequestEventTarget.prototype, XMLHttpRequestEventNames, ignoreProperties);\n }\n if (typeof IDBIndex !== 'undefined') {\n patchFilteredProperties(IDBIndex.prototype, IDBIndexEventNames, ignoreProperties);\n patchFilteredProperties(IDBRequest.prototype, IDBIndexEventNames, ignoreProperties);\n patchFilteredProperties(IDBOpenDBRequest.prototype, IDBIndexEventNames, ignoreProperties);\n patchFilteredProperties(IDBDatabase.prototype, IDBIndexEventNames, ignoreProperties);\n patchFilteredProperties(IDBTransaction.prototype, IDBIndexEventNames, ignoreProperties);\n patchFilteredProperties(IDBCursor.prototype, IDBIndexEventNames, ignoreProperties);\n }\n if (supportsWebSocket) {\n patchFilteredProperties(WebSocket.prototype, websocketEventNames, ignoreProperties);\n }\n }\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n Zone.__load_patch('util', (global, Zone, api) => {\n api.patchOnProperties = patchOnProperties;\n api.patchMethod = patchMethod;\n api.bindArguments = bindArguments;\n api.patchMacroTask = patchMacroTask;\n // In earlier version of zone.js (<0.9.0), we use env name `__zone_symbol__BLACK_LISTED_EVENTS` to\n // define which events will not be patched by `Zone.js`.\n // In newer version (>=0.9.0), we change the env name to `__zone_symbol__UNPATCHED_EVENTS` to keep\n // the name consistent with angular repo.\n // The `__zone_symbol__BLACK_LISTED_EVENTS` is deprecated, but it is still be supported for\n // backwards compatibility.\n const SYMBOL_BLACK_LISTED_EVENTS = Zone.__symbol__('BLACK_LISTED_EVENTS');\n const SYMBOL_UNPATCHED_EVENTS = Zone.__symbol__('UNPATCHED_EVENTS');\n if (global[SYMBOL_UNPATCHED_EVENTS]) {\n global[SYMBOL_BLACK_LISTED_EVENTS] = global[SYMBOL_UNPATCHED_EVENTS];\n }\n if (global[SYMBOL_BLACK_LISTED_EVENTS]) {\n Zone[SYMBOL_BLACK_LISTED_EVENTS] = Zone[SYMBOL_UNPATCHED_EVENTS] =\n global[SYMBOL_BLACK_LISTED_EVENTS];\n }\n api.patchEventPrototype = patchEventPrototype;\n api.patchEventTarget = patchEventTarget;\n api.isIEOrEdge = isIEOrEdge;\n api.ObjectDefineProperty = ObjectDefineProperty;\n api.ObjectGetOwnPropertyDescriptor = ObjectGetOwnPropertyDescriptor;\n api.ObjectCreate = ObjectCreate;\n api.ArraySlice = ArraySlice;\n api.patchClass = patchClass;\n api.wrapWithCurrentZone = wrapWithCurrentZone;\n api.filterProperties = filterProperties;\n api.attachOriginToPatched = attachOriginToPatched;\n api._redefineProperty = Object.defineProperty;\n api.patchCallbacks = patchCallbacks;\n api.getGlobalObjects = () => ({ globalSources, zoneSymbolEventNames: zoneSymbolEventNames$1, eventNames, isBrowser, isMix, isNode, TRUE_STR,\n FALSE_STR, ZONE_SYMBOL_PREFIX, ADD_EVENT_LISTENER_STR, REMOVE_EVENT_LISTENER_STR });\n });\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n const taskSymbol = zoneSymbol('zoneTask');\n function patchTimer(window, setName, cancelName, nameSuffix) {\n let setNative = null;\n let clearNative = null;\n setName += nameSuffix;\n cancelName += nameSuffix;\n const tasksByHandleId = {};\n function scheduleTask(task) {\n const data = task.data;\n function timer() {\n try {\n task.invoke.apply(this, arguments);\n }\n finally {\n // issue-934, task will be cancelled\n // even it is a periodic task such as\n // setInterval\n if (!(task.data && task.data.isPeriodic)) {\n if (typeof data.handleId === 'number') {\n // in non-nodejs env, we remove timerId\n // from local cache\n delete tasksByHandleId[data.handleId];\n }\n else if (data.handleId) {\n // Node returns complex objects as handleIds\n // we remove task reference from timer object\n data.handleId[taskSymbol] = null;\n }\n }\n }\n }\n data.args[0] = timer;\n data.handleId = setNative.apply(window, data.args);\n return task;\n }\n function clearTask(task) { return clearNative(task.data.handleId); }\n setNative =\n patchMethod(window, setName, (delegate) => function (self, args) {\n if (typeof args[0] === 'function') {\n const options = {\n isPeriodic: nameSuffix === 'Interval',\n delay: (nameSuffix === 'Timeout' || nameSuffix === 'Interval') ? args[1] || 0 :\n undefined,\n args: args\n };\n const task = scheduleMacroTaskWithCurrentZone(setName, args[0], options, scheduleTask, clearTask);\n if (!task) {\n return task;\n }\n // Node.js must additionally support the ref and unref functions.\n const handle = task.data.handleId;\n if (typeof handle === 'number') {\n // for non nodejs env, we save handleId: task\n // mapping in local cache for clearTimeout\n tasksByHandleId[handle] = task;\n }\n else if (handle) {\n // for nodejs env, we save task\n // reference in timerId Object for clearTimeout\n handle[taskSymbol] = task;\n }\n // check whether handle is null, because some polyfill or browser\n // may return undefined from setTimeout/setInterval/setImmediate/requestAnimationFrame\n if (handle && handle.ref && handle.unref && typeof handle.ref === 'function' &&\n typeof handle.unref === 'function') {\n task.ref = handle.ref.bind(handle);\n task.unref = handle.unref.bind(handle);\n }\n if (typeof handle === 'number' || handle) {\n return handle;\n }\n return task;\n }\n else {\n // cause an error by calling it directly.\n return delegate.apply(window, args);\n }\n });\n clearNative =\n patchMethod(window, cancelName, (delegate) => function (self, args) {\n const id = args[0];\n let task;\n if (typeof id === 'number') {\n // non nodejs env.\n task = tasksByHandleId[id];\n }\n else {\n // nodejs env.\n task = id && id[taskSymbol];\n // other environments.\n if (!task) {\n task = id;\n }\n }\n if (task && typeof task.type === 'string') {\n if (task.state !== 'notScheduled' &&\n (task.cancelFn && task.data.isPeriodic || task.runCount === 0)) {\n if (typeof id === 'number') {\n delete tasksByHandleId[id];\n }\n else if (id) {\n id[taskSymbol] = null;\n }\n // Do not cancel already canceled functions\n task.zone.cancelTask(task);\n }\n }\n else {\n // cause an error by calling it directly.\n delegate.apply(window, args);\n }\n });\n }\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n function patchCustomElements(_global, api) {\n const { isBrowser, isMix } = api.getGlobalObjects();\n if ((!isBrowser && !isMix) || !_global['customElements'] || !('customElements' in _global)) {\n return;\n }\n const callbacks = ['connectedCallback', 'disconnectedCallback', 'adoptedCallback', 'attributeChangedCallback'];\n api.patchCallbacks(api, _global.customElements, 'customElements', 'define', callbacks);\n }\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n function eventTargetPatch(_global, api) {\n if (Zone[api.symbol('patchEventTarget')]) {\n // EventTarget is already patched.\n return;\n }\n const { eventNames, zoneSymbolEventNames, TRUE_STR, FALSE_STR, ZONE_SYMBOL_PREFIX } = api.getGlobalObjects();\n // predefine all __zone_symbol__ + eventName + true/false string\n for (let i = 0; i < eventNames.length; i++) {\n const eventName = eventNames[i];\n const falseEventName = eventName + FALSE_STR;\n const trueEventName = eventName + TRUE_STR;\n const symbol = ZONE_SYMBOL_PREFIX + falseEventName;\n const symbolCapture = ZONE_SYMBOL_PREFIX + trueEventName;\n zoneSymbolEventNames[eventName] = {};\n zoneSymbolEventNames[eventName][FALSE_STR] = symbol;\n zoneSymbolEventNames[eventName][TRUE_STR] = symbolCapture;\n }\n const EVENT_TARGET = _global['EventTarget'];\n if (!EVENT_TARGET || !EVENT_TARGET.prototype) {\n return;\n }\n api.patchEventTarget(_global, [EVENT_TARGET && EVENT_TARGET.prototype]);\n return true;\n }\n function patchEvent(global, api) {\n api.patchEventPrototype(global, api);\n }\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n Zone.__load_patch('legacy', (global) => {\n const legacyPatch = global[Zone.__symbol__('legacyPatch')];\n if (legacyPatch) {\n legacyPatch();\n }\n });\n Zone.__load_patch('timers', (global) => {\n const set = 'set';\n const clear = 'clear';\n patchTimer(global, set, clear, 'Timeout');\n patchTimer(global, set, clear, 'Interval');\n patchTimer(global, set, clear, 'Immediate');\n });\n Zone.__load_patch('requestAnimationFrame', (global) => {\n patchTimer(global, 'request', 'cancel', 'AnimationFrame');\n patchTimer(global, 'mozRequest', 'mozCancel', 'AnimationFrame');\n patchTimer(global, 'webkitRequest', 'webkitCancel', 'AnimationFrame');\n });\n Zone.__load_patch('blocking', (global, Zone) => {\n const blockingMethods = ['alert', 'prompt', 'confirm'];\n for (let i = 0; i < blockingMethods.length; i++) {\n const name = blockingMethods[i];\n patchMethod(global, name, (delegate, symbol, name) => {\n return function (s, args) {\n return Zone.current.run(delegate, global, args, name);\n };\n });\n }\n });\n Zone.__load_patch('EventTarget', (global, Zone, api) => {\n patchEvent(global, api);\n eventTargetPatch(global, api);\n // patch XMLHttpRequestEventTarget's addEventListener/removeEventListener\n const XMLHttpRequestEventTarget = global['XMLHttpRequestEventTarget'];\n if (XMLHttpRequestEventTarget && XMLHttpRequestEventTarget.prototype) {\n api.patchEventTarget(global, [XMLHttpRequestEventTarget.prototype]);\n }\n patchClass('MutationObserver');\n patchClass('WebKitMutationObserver');\n patchClass('IntersectionObserver');\n patchClass('FileReader');\n });\n Zone.__load_patch('on_property', (global, Zone, api) => {\n propertyDescriptorPatch(api, global);\n });\n Zone.__load_patch('customElements', (global, Zone, api) => {\n patchCustomElements(global, api);\n });\n Zone.__load_patch('XHR', (global, Zone) => {\n // Treat XMLHttpRequest as a macrotask.\n patchXHR(global);\n const XHR_TASK = zoneSymbol('xhrTask');\n const XHR_SYNC = zoneSymbol('xhrSync');\n const XHR_LISTENER = zoneSymbol('xhrListener');\n const XHR_SCHEDULED = zoneSymbol('xhrScheduled');\n const XHR_URL = zoneSymbol('xhrURL');\n const XHR_ERROR_BEFORE_SCHEDULED = zoneSymbol('xhrErrorBeforeScheduled');\n function patchXHR(window) {\n const XMLHttpRequest = window['XMLHttpRequest'];\n if (!XMLHttpRequest) {\n // XMLHttpRequest is not available in service worker\n return;\n }\n const XMLHttpRequestPrototype = XMLHttpRequest.prototype;\n function findPendingTask(target) { return target[XHR_TASK]; }\n let oriAddListener = XMLHttpRequestPrototype[ZONE_SYMBOL_ADD_EVENT_LISTENER];\n let oriRemoveListener = XMLHttpRequestPrototype[ZONE_SYMBOL_REMOVE_EVENT_LISTENER];\n if (!oriAddListener) {\n const XMLHttpRequestEventTarget = window['XMLHttpRequestEventTarget'];\n if (XMLHttpRequestEventTarget) {\n const XMLHttpRequestEventTargetPrototype = XMLHttpRequestEventTarget.prototype;\n oriAddListener = XMLHttpRequestEventTargetPrototype[ZONE_SYMBOL_ADD_EVENT_LISTENER];\n oriRemoveListener = XMLHttpRequestEventTargetPrototype[ZONE_SYMBOL_REMOVE_EVENT_LISTENER];\n }\n }\n const READY_STATE_CHANGE = 'readystatechange';\n const SCHEDULED = 'scheduled';\n function scheduleTask(task) {\n const data = task.data;\n const target = data.target;\n target[XHR_SCHEDULED] = false;\n target[XHR_ERROR_BEFORE_SCHEDULED] = false;\n // remove existing event listener\n const listener = target[XHR_LISTENER];\n if (!oriAddListener) {\n oriAddListener = target[ZONE_SYMBOL_ADD_EVENT_LISTENER];\n oriRemoveListener = target[ZONE_SYMBOL_REMOVE_EVENT_LISTENER];\n }\n if (listener) {\n oriRemoveListener.call(target, READY_STATE_CHANGE, listener);\n }\n const newListener = target[XHR_LISTENER] = () => {\n if (target.readyState === target.DONE) {\n // sometimes on some browsers XMLHttpRequest will fire onreadystatechange with\n // readyState=4 multiple times, so we need to check task state here\n if (!data.aborted && target[XHR_SCHEDULED] && task.state === SCHEDULED) {\n // check whether the xhr has registered onload listener\n // if that is the case, the task should invoke after all\n // onload listeners finish.\n const loadTasks = target[Zone.__symbol__('loadfalse')];\n if (loadTasks && loadTasks.length > 0) {\n const oriInvoke = task.invoke;\n task.invoke = function () {\n // need to load the tasks again, because in other\n // load listener, they may remove themselves\n const loadTasks = target[Zone.__symbol__('loadfalse')];\n for (let i = 0; i < loadTasks.length; i++) {\n if (loadTasks[i] === task) {\n loadTasks.splice(i, 1);\n }\n }\n if (!data.aborted && task.state === SCHEDULED) {\n oriInvoke.call(task);\n }\n };\n loadTasks.push(task);\n }\n else {\n task.invoke();\n }\n }\n else if (!data.aborted && target[XHR_SCHEDULED] === false) {\n // error occurs when xhr.send()\n target[XHR_ERROR_BEFORE_SCHEDULED] = true;\n }\n }\n };\n oriAddListener.call(target, READY_STATE_CHANGE, newListener);\n const storedTask = target[XHR_TASK];\n if (!storedTask) {\n target[XHR_TASK] = task;\n }\n sendNative.apply(target, data.args);\n target[XHR_SCHEDULED] = true;\n return task;\n }\n function placeholderCallback() { }\n function clearTask(task) {\n const data = task.data;\n // Note - ideally, we would call data.target.removeEventListener here, but it's too late\n // to prevent it from firing. So instead, we store info for the event listener.\n data.aborted = true;\n return abortNative.apply(data.target, data.args);\n }\n const openNative = patchMethod(XMLHttpRequestPrototype, 'open', () => function (self, args) {\n self[XHR_SYNC] = args[2] == false;\n self[XHR_URL] = args[1];\n return openNative.apply(self, args);\n });\n const XMLHTTPREQUEST_SOURCE = 'XMLHttpRequest.send';\n const fetchTaskAborting = zoneSymbol('fetchTaskAborting');\n const fetchTaskScheduling = zoneSymbol('fetchTaskScheduling');\n const sendNative = patchMethod(XMLHttpRequestPrototype, 'send', () => function (self, args) {\n if (Zone.current[fetchTaskScheduling] === true) {\n // a fetch is scheduling, so we are using xhr to polyfill fetch\n // and because we already schedule macroTask for fetch, we should\n // not schedule a macroTask for xhr again\n return sendNative.apply(self, args);\n }\n if (self[XHR_SYNC]) {\n // if the XHR is sync there is no task to schedule, just execute the code.\n return sendNative.apply(self, args);\n }\n else {\n const options = { target: self, url: self[XHR_URL], isPeriodic: false, args: args, aborted: false };\n const task = scheduleMacroTaskWithCurrentZone(XMLHTTPREQUEST_SOURCE, placeholderCallback, options, scheduleTask, clearTask);\n if (self && self[XHR_ERROR_BEFORE_SCHEDULED] === true && !options.aborted &&\n task.state === SCHEDULED) {\n // xhr request throw error when send\n // we should invoke task instead of leaving a scheduled\n // pending macroTask\n task.invoke();\n }\n }\n });\n const abortNative = patchMethod(XMLHttpRequestPrototype, 'abort', () => function (self, args) {\n const task = findPendingTask(self);\n if (task && typeof task.type == 'string') {\n // If the XHR has already completed, do nothing.\n // If the XHR has already been aborted, do nothing.\n // Fix #569, call abort multiple times before done will cause\n // macroTask task count be negative number\n if (task.cancelFn == null || (task.data && task.data.aborted)) {\n return;\n }\n task.zone.cancelTask(task);\n }\n else if (Zone.current[fetchTaskAborting] === true) {\n // the abort is called from fetch polyfill, we need to call native abort of XHR.\n return abortNative.apply(self, args);\n }\n // Otherwise, we are trying to abort an XHR which has not yet been sent, so there is no\n // task\n // to cancel. Do nothing.\n });\n }\n });\n Zone.__load_patch('geolocation', (global) => {\n /// GEO_LOCATION\n if (global['navigator'] && global['navigator'].geolocation) {\n patchPrototype(global['navigator'].geolocation, ['getCurrentPosition', 'watchPosition']);\n }\n });\n Zone.__load_patch('PromiseRejectionEvent', (global, Zone) => {\n // handle unhandled promise rejection\n function findPromiseRejectionHandler(evtName) {\n return function (e) {\n const eventTasks = findEventTasks(global, evtName);\n eventTasks.forEach(eventTask => {\n // windows has added unhandledrejection event listener\n // trigger the event listener\n const PromiseRejectionEvent = global['PromiseRejectionEvent'];\n if (PromiseRejectionEvent) {\n const evt = new PromiseRejectionEvent(evtName, { promise: e.promise, reason: e.rejection });\n eventTask.invoke(evt);\n }\n });\n };\n }\n if (global['PromiseRejectionEvent']) {\n Zone[zoneSymbol('unhandledPromiseRejectionHandler')] =\n findPromiseRejectionHandler('unhandledrejection');\n Zone[zoneSymbol('rejectionHandledHandler')] =\n findPromiseRejectionHandler('rejectionhandled');\n }\n });\n\n})));\n","'use strict';\n\nvar anObject = require('./_an-object');\nvar toObject = require('./_to-object');\nvar toLength = require('./_to-length');\nvar toInteger = require('./_to-integer');\nvar advanceStringIndex = require('./_advance-string-index');\nvar regExpExec = require('./_regexp-exec-abstract');\nvar max = Math.max;\nvar min = Math.min;\nvar floor = Math.floor;\nvar SUBSTITUTION_SYMBOLS = /\\$([$&`']|\\d\\d?|<[^>]*>)/g;\nvar SUBSTITUTION_SYMBOLS_NO_NAMED = /\\$([$&`']|\\d\\d?)/g;\n\nvar maybeToString = function (it) {\n return it === undefined ? it : String(it);\n};\n\n// @@replace logic\nrequire('./_fix-re-wks')('replace', 2, function (defined, REPLACE, $replace, maybeCallNative) {\n return [\n // `String.prototype.replace` method\n // https://tc39.github.io/ecma262/#sec-string.prototype.replace\n function replace(searchValue, replaceValue) {\n var O = defined(this);\n var fn = searchValue == undefined ? undefined : searchValue[REPLACE];\n return fn !== undefined\n ? fn.call(searchValue, O, replaceValue)\n : $replace.call(String(O), searchValue, replaceValue);\n },\n // `RegExp.prototype[@@replace]` method\n // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@replace\n function (regexp, replaceValue) {\n var res = maybeCallNative($replace, regexp, this, replaceValue);\n if (res.done) return res.value;\n\n var rx = anObject(regexp);\n var S = String(this);\n var functionalReplace = typeof replaceValue === 'function';\n if (!functionalReplace) replaceValue = String(replaceValue);\n var global = rx.global;\n if (global) {\n var fullUnicode = rx.unicode;\n rx.lastIndex = 0;\n }\n var results = [];\n while (true) {\n var result = regExpExec(rx, S);\n if (result === null) break;\n results.push(result);\n if (!global) break;\n var matchStr = String(result[0]);\n if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);\n }\n var accumulatedResult = '';\n var nextSourcePosition = 0;\n for (var i = 0; i < results.length; i++) {\n result = results[i];\n var matched = String(result[0]);\n var position = max(min(toInteger(result.index), S.length), 0);\n var captures = [];\n // NOTE: This is equivalent to\n // captures = result.slice(1).map(maybeToString)\n // but for some reason `nativeSlice.call(result, 1, result.length)` (called in\n // the slice polyfill when slicing native arrays) \"doesn't work\" in safari 9 and\n // causes a crash (https://pastebin.com/N21QzeQA) when trying to debug it.\n for (var j = 1; j < result.length; j++) captures.push(maybeToString(result[j]));\n var namedCaptures = result.groups;\n if (functionalReplace) {\n var replacerArgs = [matched].concat(captures, position, S);\n if (namedCaptures !== undefined) replacerArgs.push(namedCaptures);\n var replacement = String(replaceValue.apply(undefined, replacerArgs));\n } else {\n replacement = getSubstitution(matched, S, position, captures, namedCaptures, replaceValue);\n }\n if (position >= nextSourcePosition) {\n accumulatedResult += S.slice(nextSourcePosition, position) + replacement;\n nextSourcePosition = position + matched.length;\n }\n }\n return accumulatedResult + S.slice(nextSourcePosition);\n }\n ];\n\n // https://tc39.github.io/ecma262/#sec-getsubstitution\n function getSubstitution(matched, str, position, captures, namedCaptures, replacement) {\n var tailPos = position + matched.length;\n var m = captures.length;\n var symbols = SUBSTITUTION_SYMBOLS_NO_NAMED;\n if (namedCaptures !== undefined) {\n namedCaptures = toObject(namedCaptures);\n symbols = SUBSTITUTION_SYMBOLS;\n }\n return $replace.call(replacement, symbols, function (match, ch) {\n var capture;\n switch (ch.charAt(0)) {\n case '$': return '$';\n case '&': return matched;\n case '`': return str.slice(0, position);\n case \"'\": return str.slice(tailPos);\n case '<':\n capture = namedCaptures[ch.slice(1, -1)];\n break;\n default: // \\d\\d?\n var n = +ch;\n if (n === 0) return match;\n if (n > m) {\n var f = floor(n / 10);\n if (f === 0) return match;\n if (f <= m) return captures[f - 1] === undefined ? ch.charAt(1) : captures[f - 1] + ch.charAt(1);\n return match;\n }\n capture = captures[n - 1];\n }\n return capture === undefined ? '' : capture;\n });\n }\n});\n","var DESCRIPTORS = require('../internals/descriptors');\nvar objectDefinePropertyModule = require('../internals/object-define-property');\nvar regExpFlags = require('../internals/regexp-flags');\nvar UNSUPPORTED_Y = require('../internals/regexp-sticky-helpers').UNSUPPORTED_Y;\n\n// `RegExp.prototype.flags` getter\n// https://tc39.github.io/ecma262/#sec-get-regexp.prototype.flags\nif (DESCRIPTORS && (/./g.flags != 'g' || UNSUPPORTED_Y)) {\n objectDefinePropertyModule.f(RegExp.prototype, 'flags', {\n configurable: true,\n get: regExpFlags\n });\n}\n","module.exports = function (exec) {\n try {\n return { error: false, value: exec() };\n } catch (error) {\n return { error: true, value: error };\n }\n};\n","var nativeExpm1 = Math.expm1;\nvar exp = Math.exp;\n\n// `Math.expm1` method implementation\n// https://tc39.github.io/ecma262/#sec-math.expm1\nmodule.exports = (!nativeExpm1\n // Old FF bug\n || nativeExpm1(10) > 22025.465794806719 || nativeExpm1(10) < 22025.4657948067165168\n // Tor Browser bug\n || nativeExpm1(-2e-17) != -2e-17\n) ? function expm1(x) {\n return (x = +x) == 0 ? x : x > -1e-6 && x < 1e-6 ? x + x * x / 2 : exp(x) - 1;\n} : nativeExpm1;\n","// 20.2.2.22 Math.log2(x)\nvar $export = require('./_export');\n\n$export($export.S, 'Math', {\n log2: function log2(x) {\n return Math.log(x) / Math.LN2;\n }\n});\n","module.exports = {};\n","require('../modules/es6.object.to-string');\nrequire('../modules/es6.string.iterator');\nrequire('../modules/web.dom.iterable');\nrequire('../modules/es6.map');\nmodule.exports = require('../modules/_core').Map;\n","require('../../modules/es.number.constructor');\nrequire('../../modules/es.number.epsilon');\nrequire('../../modules/es.number.is-finite');\nrequire('../../modules/es.number.is-integer');\nrequire('../../modules/es.number.is-nan');\nrequire('../../modules/es.number.is-safe-integer');\nrequire('../../modules/es.number.max-safe-integer');\nrequire('../../modules/es.number.min-safe-integer');\nrequire('../../modules/es.number.parse-float');\nrequire('../../modules/es.number.parse-int');\nrequire('../../modules/es.number.to-fixed');\nrequire('../../modules/es.number.to-precision');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Number;\n","'use strict';\nvar fails = require('../internals/fails');\nvar padStart = require('../internals/string-pad').start;\n\nvar abs = Math.abs;\nvar DatePrototype = Date.prototype;\nvar getTime = DatePrototype.getTime;\nvar nativeDateToISOString = DatePrototype.toISOString;\n\n// `Date.prototype.toISOString` method implementation\n// https://tc39.github.io/ecma262/#sec-date.prototype.toisostring\n// PhantomJS / old WebKit fails here:\nmodule.exports = (fails(function () {\n return nativeDateToISOString.call(new Date(-5e13 - 1)) != '0385-07-25T07:06:39.999Z';\n}) || !fails(function () {\n nativeDateToISOString.call(new Date(NaN));\n})) ? function toISOString() {\n if (!isFinite(getTime.call(this))) throw RangeError('Invalid time value');\n var date = this;\n var year = date.getUTCFullYear();\n var milliseconds = date.getUTCMilliseconds();\n var sign = year < 0 ? '-' : year > 9999 ? '+' : '';\n return sign + padStart(abs(year), sign ? 6 : 4, 0) +\n '-' + padStart(date.getUTCMonth() + 1, 2, 0) +\n '-' + padStart(date.getUTCDate(), 2, 0) +\n 'T' + padStart(date.getUTCHours(), 2, 0) +\n ':' + padStart(date.getUTCMinutes(), 2, 0) +\n ':' + padStart(date.getUTCSeconds(), 2, 0) +\n '.' + padStart(milliseconds, 3, 0) +\n 'Z';\n} : nativeDateToISOString;\n","'use strict';\nvar regexpFlags = require('./regexp-flags');\nvar stickyHelpers = require('./regexp-sticky-helpers');\n\nvar nativeExec = RegExp.prototype.exec;\n// This always refers to the native implementation, because the\n// String#replace polyfill uses ./fix-regexp-well-known-symbol-logic.js,\n// which loads this file before patching the method.\nvar nativeReplace = String.prototype.replace;\n\nvar patchedExec = nativeExec;\n\nvar UPDATES_LAST_INDEX_WRONG = (function () {\n var re1 = /a/;\n var re2 = /b*/g;\n nativeExec.call(re1, 'a');\n nativeExec.call(re2, 'a');\n return re1.lastIndex !== 0 || re2.lastIndex !== 0;\n})();\n\nvar UNSUPPORTED_Y = stickyHelpers.UNSUPPORTED_Y || stickyHelpers.BROKEN_CARET;\n\n// nonparticipating capturing group, copied from es5-shim's String#split patch.\nvar NPCG_INCLUDED = /()??/.exec('')[1] !== undefined;\n\nvar PATCH = UPDATES_LAST_INDEX_WRONG || NPCG_INCLUDED || UNSUPPORTED_Y;\n\nif (PATCH) {\n patchedExec = function exec(str) {\n var re = this;\n var lastIndex, reCopy, match, i;\n var sticky = UNSUPPORTED_Y && re.sticky;\n var flags = regexpFlags.call(re);\n var source = re.source;\n var charsAdded = 0;\n var strCopy = str;\n\n if (sticky) {\n flags = flags.replace('y', '');\n if (flags.indexOf('g') === -1) {\n flags += 'g';\n }\n\n strCopy = String(str).slice(re.lastIndex);\n // Support anchored sticky behavior.\n if (re.lastIndex > 0 && (!re.multiline || re.multiline && str[re.lastIndex - 1] !== '\\n')) {\n source = '(?: ' + source + ')';\n strCopy = ' ' + strCopy;\n charsAdded++;\n }\n // ^(? + rx + ) is needed, in combination with some str slicing, to\n // simulate the 'y' flag.\n reCopy = new RegExp('^(?:' + source + ')', flags);\n }\n\n if (NPCG_INCLUDED) {\n reCopy = new RegExp('^' + source + '$(?!\\\\s)', flags);\n }\n if (UPDATES_LAST_INDEX_WRONG) lastIndex = re.lastIndex;\n\n match = nativeExec.call(sticky ? reCopy : re, strCopy);\n\n if (sticky) {\n if (match) {\n match.input = match.input.slice(charsAdded);\n match[0] = match[0].slice(charsAdded);\n match.index = re.lastIndex;\n re.lastIndex += match[0].length;\n } else re.lastIndex = 0;\n } else if (UPDATES_LAST_INDEX_WRONG && match) {\n re.lastIndex = re.global ? match.index + match[0].length : lastIndex;\n }\n if (NPCG_INCLUDED && match && match.length > 1) {\n // Fix browsers whose `exec` methods don't consistently return `undefined`\n // for NPCG, like IE8. NOTE: This doesn' work for /(.?)?/\n nativeReplace.call(match[0], reCopy, function () {\n for (i = 1; i < arguments.length - 2; i++) {\n if (arguments[i] === undefined) match[i] = undefined;\n }\n });\n }\n\n return match;\n };\n}\n\nmodule.exports = patchedExec;\n","var $export = require('./_export');\nvar defined = require('./_defined');\nvar fails = require('./_fails');\nvar spaces = require('./_string-ws');\nvar space = '[' + spaces + ']';\nvar non = '\\u200b\\u0085';\nvar ltrim = RegExp('^' + space + space + '*');\nvar rtrim = RegExp(space + space + '*$');\n\nvar exporter = function (KEY, exec, ALIAS) {\n var exp = {};\n var FORCE = fails(function () {\n return !!spaces[KEY]() || non[KEY]() != non;\n });\n var fn = exp[KEY] = FORCE ? exec(trim) : spaces[KEY];\n if (ALIAS) exp[ALIAS] = fn;\n $export($export.P + $export.F * FORCE, 'String', exp);\n};\n\n// 1 -> String#trimLeft\n// 2 -> String#trimRight\n// 3 -> String#trim\nvar trim = exporter.trim = function (string, TYPE) {\n string = String(defined(string));\n if (TYPE & 1) string = string.replace(ltrim, '');\n if (TYPE & 2) string = string.replace(rtrim, '');\n return string;\n};\n\nmodule.exports = exporter;\n","'use strict';\nvar $ = require('../internals/export');\nvar createHTML = require('../internals/create-html');\nvar forcedStringHTMLMethod = require('../internals/string-html-forced');\n\n// `String.prototype.small` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.small\n$({ target: 'String', proto: true, forced: forcedStringHTMLMethod('small') }, {\n small: function small() {\n return createHTML(this, 'small', '', '');\n }\n});\n","// 7.2.8 IsRegExp(argument)\nvar isObject = require('./_is-object');\nvar cof = require('./_cof');\nvar MATCH = require('./_wks')('match');\nmodule.exports = function (it) {\n var isRegExp;\n return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : cof(it) == 'RegExp');\n};\n","var global = require('../internals/global');\nvar isObject = require('../internals/is-object');\n\nvar document = global.document;\n// typeof document.createElement is 'object' in old IE\nvar EXISTS = isObject(document) && isObject(document.createElement);\n\nmodule.exports = function (it) {\n return EXISTS ? document.createElement(it) : {};\n};\n","var $ = require('../internals/export');\nvar toAbsoluteIndex = require('../internals/to-absolute-index');\n\nvar fromCharCode = String.fromCharCode;\nvar nativeFromCodePoint = String.fromCodePoint;\n\n// length should be 1, old FF problem\nvar INCORRECT_LENGTH = !!nativeFromCodePoint && nativeFromCodePoint.length != 1;\n\n// `String.fromCodePoint` method\n// https://tc39.github.io/ecma262/#sec-string.fromcodepoint\n$({ target: 'String', stat: true, forced: INCORRECT_LENGTH }, {\n fromCodePoint: function fromCodePoint(x) { // eslint-disable-line no-unused-vars\n var elements = [];\n var length = arguments.length;\n var i = 0;\n var code;\n while (length > i) {\n code = +arguments[i++];\n if (toAbsoluteIndex(code, 0x10FFFF) !== code) throw RangeError(code + ' is not a valid code point');\n elements.push(code < 0x10000\n ? fromCharCode(code)\n : fromCharCode(((code -= 0x10000) >> 10) + 0xD800, code % 0x400 + 0xDC00)\n );\n } return elements.join('');\n }\n});\n","'use strict';\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar toInteger = require('../internals/to-integer');\nvar toLength = require('../internals/to-length');\nvar arrayMethodIsStrict = require('../internals/array-method-is-strict');\nvar arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');\n\nvar min = Math.min;\nvar nativeLastIndexOf = [].lastIndexOf;\nvar NEGATIVE_ZERO = !!nativeLastIndexOf && 1 / [1].lastIndexOf(1, -0) < 0;\nvar STRICT_METHOD = arrayMethodIsStrict('lastIndexOf');\n// For preventing possible almost infinite loop in non-standard implementations, test the forward version of the method\nvar USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });\nvar FORCED = NEGATIVE_ZERO || !STRICT_METHOD || !USES_TO_LENGTH;\n\n// `Array.prototype.lastIndexOf` method implementation\n// https://tc39.github.io/ecma262/#sec-array.prototype.lastindexof\nmodule.exports = FORCED ? function lastIndexOf(searchElement /* , fromIndex = @[*-1] */) {\n // convert -0 to +0\n if (NEGATIVE_ZERO) return nativeLastIndexOf.apply(this, arguments) || 0;\n var O = toIndexedObject(this);\n var length = toLength(O.length);\n var index = length - 1;\n if (arguments.length > 1) index = min(index, toInteger(arguments[1]));\n if (index < 0) index = length + index;\n for (;index >= 0; index--) if (index in O && O[index] === searchElement) return index || 0;\n return -1;\n} : nativeLastIndexOf;\n","module.exports = function (exec) {\n try {\n return !!exec();\n } catch (error) {\n return true;\n }\n};\n","var $iterators = require('./es6.array.iterator');\nvar getKeys = require('./_object-keys');\nvar redefine = require('./_redefine');\nvar global = require('./_global');\nvar hide = require('./_hide');\nvar Iterators = require('./_iterators');\nvar wks = require('./_wks');\nvar ITERATOR = wks('iterator');\nvar TO_STRING_TAG = wks('toStringTag');\nvar ArrayValues = Iterators.Array;\n\nvar DOMIterables = {\n CSSRuleList: true, // TODO: Not spec compliant, should be false.\n CSSStyleDeclaration: false,\n CSSValueList: false,\n ClientRectList: false,\n DOMRectList: false,\n DOMStringList: false,\n DOMTokenList: true,\n DataTransferItemList: false,\n FileList: false,\n HTMLAllCollection: false,\n HTMLCollection: false,\n HTMLFormElement: false,\n HTMLSelectElement: false,\n MediaList: true, // TODO: Not spec compliant, should be false.\n MimeTypeArray: false,\n NamedNodeMap: false,\n NodeList: true,\n PaintRequestList: false,\n Plugin: false,\n PluginArray: false,\n SVGLengthList: false,\n SVGNumberList: false,\n SVGPathSegList: false,\n SVGPointList: false,\n SVGStringList: false,\n SVGTransformList: false,\n SourceBufferList: false,\n StyleSheetList: true, // TODO: Not spec compliant, should be false.\n TextTrackCueList: false,\n TextTrackList: false,\n TouchList: false\n};\n\nfor (var collections = getKeys(DOMIterables), i = 0; i < collections.length; i++) {\n var NAME = collections[i];\n var explicit = DOMIterables[NAME];\n var Collection = global[NAME];\n var proto = Collection && Collection.prototype;\n var key;\n if (proto) {\n if (!proto[ITERATOR]) hide(proto, ITERATOR, ArrayValues);\n if (!proto[TO_STRING_TAG]) hide(proto, TO_STRING_TAG, NAME);\n Iterators[NAME] = ArrayValues;\n if (explicit) for (key in $iterators) if (!proto[key]) redefine(proto, key, $iterators[key], true);\n }\n}\n","'use strict';\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar addToUnscopables = require('../internals/add-to-unscopables');\nvar Iterators = require('../internals/iterators');\nvar InternalStateModule = require('../internals/internal-state');\nvar defineIterator = require('../internals/define-iterator');\n\nvar ARRAY_ITERATOR = 'Array Iterator';\nvar setInternalState = InternalStateModule.set;\nvar getInternalState = InternalStateModule.getterFor(ARRAY_ITERATOR);\n\n// `Array.prototype.entries` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.entries\n// `Array.prototype.keys` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.keys\n// `Array.prototype.values` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.values\n// `Array.prototype[@@iterator]` method\n// https://tc39.github.io/ecma262/#sec-array.prototype-@@iterator\n// `CreateArrayIterator` internal method\n// https://tc39.github.io/ecma262/#sec-createarrayiterator\nmodule.exports = defineIterator(Array, 'Array', function (iterated, kind) {\n setInternalState(this, {\n type: ARRAY_ITERATOR,\n target: toIndexedObject(iterated), // target\n index: 0, // next index\n kind: kind // kind\n });\n// `%ArrayIteratorPrototype%.next` method\n// https://tc39.github.io/ecma262/#sec-%arrayiteratorprototype%.next\n}, function () {\n var state = getInternalState(this);\n var target = state.target;\n var kind = state.kind;\n var index = state.index++;\n if (!target || index >= target.length) {\n state.target = undefined;\n return { value: undefined, done: true };\n }\n if (kind == 'keys') return { value: index, done: false };\n if (kind == 'values') return { value: target[index], done: false };\n return { value: [index, target[index]], done: false };\n}, 'values');\n\n// argumentsList[@@iterator] is %ArrayProto_values%\n// https://tc39.github.io/ecma262/#sec-createunmappedargumentsobject\n// https://tc39.github.io/ecma262/#sec-createmappedargumentsobject\nIterators.Arguments = Iterators.Array;\n\n// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables\naddToUnscopables('keys');\naddToUnscopables('values');\naddToUnscopables('entries');\n","require('../modules/es6.regexp.constructor');\nrequire('../modules/es6.regexp.exec');\nrequire('../modules/es6.regexp.to-string');\nrequire('../modules/es6.regexp.flags');\nrequire('../modules/es6.regexp.match');\nrequire('../modules/es6.regexp.replace');\nrequire('../modules/es6.regexp.search');\nrequire('../modules/es6.regexp.split');\nmodule.exports = require('../modules/_core').RegExp;\n","var global = require('../internals/global');\nvar DOMIterables = require('../internals/dom-iterables');\nvar ArrayIteratorMethods = require('../modules/es.array.iterator');\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar ITERATOR = wellKnownSymbol('iterator');\nvar TO_STRING_TAG = wellKnownSymbol('toStringTag');\nvar ArrayValues = ArrayIteratorMethods.values;\n\nfor (var COLLECTION_NAME in DOMIterables) {\n var Collection = global[COLLECTION_NAME];\n var CollectionPrototype = Collection && Collection.prototype;\n if (CollectionPrototype) {\n // some Chrome versions have non-configurable methods on DOMTokenList\n if (CollectionPrototype[ITERATOR] !== ArrayValues) try {\n createNonEnumerableProperty(CollectionPrototype, ITERATOR, ArrayValues);\n } catch (error) {\n CollectionPrototype[ITERATOR] = ArrayValues;\n }\n if (!CollectionPrototype[TO_STRING_TAG]) {\n createNonEnumerableProperty(CollectionPrototype, TO_STRING_TAG, COLLECTION_NAME);\n }\n if (DOMIterables[COLLECTION_NAME]) for (var METHOD_NAME in ArrayIteratorMethods) {\n // some Chrome versions have non-configurable methods on DOMTokenList\n if (CollectionPrototype[METHOD_NAME] !== ArrayIteratorMethods[METHOD_NAME]) try {\n createNonEnumerableProperty(CollectionPrototype, METHOD_NAME, ArrayIteratorMethods[METHOD_NAME]);\n } catch (error) {\n CollectionPrototype[METHOD_NAME] = ArrayIteratorMethods[METHOD_NAME];\n }\n }\n }\n}\n","// 21.1.3.6 String.prototype.endsWith(searchString [, endPosition])\n'use strict';\nvar $export = require('./_export');\nvar toLength = require('./_to-length');\nvar context = require('./_string-context');\nvar ENDS_WITH = 'endsWith';\nvar $endsWith = ''[ENDS_WITH];\n\n$export($export.P + $export.F * require('./_fails-is-regexp')(ENDS_WITH), 'String', {\n endsWith: function endsWith(searchString /* , endPosition = @length */) {\n var that = context(this, searchString, ENDS_WITH);\n var endPosition = arguments.length > 1 ? arguments[1] : undefined;\n var len = toLength(that.length);\n var end = endPosition === undefined ? len : Math.min(toLength(endPosition), len);\n var search = String(searchString);\n return $endsWith\n ? $endsWith.call(that, search, end)\n : that.slice(end - search.length, end) === search;\n }\n});\n","var fails = require('../internals/fails');\nvar whitespaces = require('../internals/whitespaces');\n\nvar non = '\\u200B\\u0085\\u180E';\n\n// check that a method works with the correct list\n// of whitespaces and has a correct name\nmodule.exports = function (METHOD_NAME) {\n return fails(function () {\n return !!whitespaces[METHOD_NAME]() || non[METHOD_NAME]() != non || whitespaces[METHOD_NAME].name !== METHOD_NAME;\n });\n};\n","'use strict';\nvar $ = require('../internals/export');\nvar $trim = require('../internals/string-trim').trim;\nvar forcedStringTrimMethod = require('../internals/string-trim-forced');\n\n// `String.prototype.trim` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.trim\n$({ target: 'String', proto: true, forced: forcedStringTrimMethod('trim') }, {\n trim: function trim() {\n return $trim(this);\n }\n});\n","var isObject = require('./_is-object');\nmodule.exports = function (it, TYPE) {\n if (!isObject(it) || it._t !== TYPE) throw TypeError('Incompatible receiver, ' + TYPE + ' required!');\n return it;\n};\n","var $ = require('../internals/export');\nvar numberIsFinite = require('../internals/number-is-finite');\n\n// `Number.isFinite` method\n// https://tc39.github.io/ecma262/#sec-number.isfinite\n$({ target: 'Number', stat: true }, { isFinite: numberIsFinite });\n","var isRegExp = require('../internals/is-regexp');\n\nmodule.exports = function (it) {\n if (isRegExp(it)) {\n throw TypeError(\"The method doesn't accept regular expressions\");\n } return it;\n};\n","'use strict';\nvar regexpExec = require('./_regexp-exec');\nrequire('./_export')({\n target: 'RegExp',\n proto: true,\n forced: regexpExec !== /./.exec\n}, {\n exec: regexpExec\n});\n","'use strict';\nvar $ = require('../internals/export');\nvar toAbsoluteIndex = require('../internals/to-absolute-index');\nvar toInteger = require('../internals/to-integer');\nvar toLength = require('../internals/to-length');\nvar toObject = require('../internals/to-object');\nvar arraySpeciesCreate = require('../internals/array-species-create');\nvar createProperty = require('../internals/create-property');\nvar arrayMethodHasSpeciesSupport = require('../internals/array-method-has-species-support');\nvar arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');\n\nvar HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('splice');\nvar USES_TO_LENGTH = arrayMethodUsesToLength('splice', { ACCESSORS: true, 0: 0, 1: 2 });\n\nvar max = Math.max;\nvar min = Math.min;\nvar MAX_SAFE_INTEGER = 0x1FFFFFFFFFFFFF;\nvar MAXIMUM_ALLOWED_LENGTH_EXCEEDED = 'Maximum allowed length exceeded';\n\n// `Array.prototype.splice` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.splice\n// with adding support of @@species\n$({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH }, {\n splice: function splice(start, deleteCount /* , ...items */) {\n var O = toObject(this);\n var len = toLength(O.length);\n var actualStart = toAbsoluteIndex(start, len);\n var argumentsLength = arguments.length;\n var insertCount, actualDeleteCount, A, k, from, to;\n if (argumentsLength === 0) {\n insertCount = actualDeleteCount = 0;\n } else if (argumentsLength === 1) {\n insertCount = 0;\n actualDeleteCount = len - actualStart;\n } else {\n insertCount = argumentsLength - 2;\n actualDeleteCount = min(max(toInteger(deleteCount), 0), len - actualStart);\n }\n if (len + insertCount - actualDeleteCount > MAX_SAFE_INTEGER) {\n throw TypeError(MAXIMUM_ALLOWED_LENGTH_EXCEEDED);\n }\n A = arraySpeciesCreate(O, actualDeleteCount);\n for (k = 0; k < actualDeleteCount; k++) {\n from = actualStart + k;\n if (from in O) createProperty(A, k, O[from]);\n }\n A.length = actualDeleteCount;\n if (insertCount < actualDeleteCount) {\n for (k = actualStart; k < len - actualDeleteCount; k++) {\n from = k + actualDeleteCount;\n to = k + insertCount;\n if (from in O) O[to] = O[from];\n else delete O[to];\n }\n for (k = len; k > len - actualDeleteCount + insertCount; k--) delete O[k - 1];\n } else if (insertCount > actualDeleteCount) {\n for (k = len - actualDeleteCount; k > actualStart; k--) {\n from = k + actualDeleteCount - 1;\n to = k + insertCount - 1;\n if (from in O) O[to] = O[from];\n else delete O[to];\n }\n }\n for (k = 0; k < insertCount; k++) {\n O[k + actualStart] = arguments[k + 2];\n }\n O.length = len - actualDeleteCount + insertCount;\n return A;\n }\n});\n","// 20.1.2.5 Number.isSafeInteger(number)\nvar $export = require('./_export');\nvar isInteger = require('./_is-integer');\nvar abs = Math.abs;\n\n$export($export.S, 'Number', {\n isSafeInteger: function isSafeInteger(number) {\n return isInteger(number) && abs(number) <= 0x1fffffffffffff;\n }\n});\n","var defineProperty = require('../internals/object-define-property').f;\nvar has = require('../internals/has');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar TO_STRING_TAG = wellKnownSymbol('toStringTag');\n\nmodule.exports = function (it, TAG, STATIC) {\n if (it && !has(it = STATIC ? it : it.prototype, TO_STRING_TAG)) {\n defineProperty(it, TO_STRING_TAG, { configurable: true, value: TAG });\n }\n};\n","'use strict';\nvar $ = require('../internals/export');\nvar codeAt = require('../internals/string-multibyte').codeAt;\n\n// `String.prototype.codePointAt` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.codepointat\n$({ target: 'String', proto: true }, {\n codePointAt: function codePointAt(pos) {\n return codeAt(this, pos);\n }\n});\n","var fails = require('../internals/fails');\nvar classof = require('../internals/classof-raw');\n\nvar split = ''.split;\n\n// fallback for non-array-like ES3 and non-enumerable old V8 strings\nmodule.exports = fails(function () {\n // throws an error in rhino, see https://github.com/mozilla/rhino/issues/346\n // eslint-disable-next-line no-prototype-builtins\n return !Object('z').propertyIsEnumerable(0);\n}) ? function (it) {\n return classof(it) == 'String' ? split.call(it, '') : Object(it);\n} : Object;\n","'use strict';\n// B.2.3.10 String.prototype.link(url)\nrequire('./_string-html')('link', function (createHTML) {\n return function link(url) {\n return createHTML(this, 'a', 'href', url);\n };\n});\n","require('../../modules/es.math.acosh');\nrequire('../../modules/es.math.asinh');\nrequire('../../modules/es.math.atanh');\nrequire('../../modules/es.math.cbrt');\nrequire('../../modules/es.math.clz32');\nrequire('../../modules/es.math.cosh');\nrequire('../../modules/es.math.expm1');\nrequire('../../modules/es.math.fround');\nrequire('../../modules/es.math.hypot');\nrequire('../../modules/es.math.imul');\nrequire('../../modules/es.math.log10');\nrequire('../../modules/es.math.log1p');\nrequire('../../modules/es.math.log2');\nrequire('../../modules/es.math.sign');\nrequire('../../modules/es.math.sinh');\nrequire('../../modules/es.math.tanh');\nrequire('../../modules/es.math.to-string-tag');\nrequire('../../modules/es.math.trunc');\nvar path = require('../../internals/path');\n\nmodule.exports = path.Math;\n","var aFunction = require('../internals/a-function');\n\n// optional / simple context binding\nmodule.exports = function (fn, that, length) {\n aFunction(fn);\n if (that === undefined) return fn;\n switch (length) {\n case 0: return function () {\n return fn.call(that);\n };\n case 1: return function (a) {\n return fn.call(that, a);\n };\n case 2: return function (a, b) {\n return fn.call(that, a, b);\n };\n case 3: return function (a, b, c) {\n return fn.call(that, a, b, c);\n };\n }\n return function (/* ...args */) {\n return fn.apply(that, arguments);\n };\n};\n","'use strict';\nvar charAt = require('../internals/string-multibyte').charAt;\nvar InternalStateModule = require('../internals/internal-state');\nvar defineIterator = require('../internals/define-iterator');\n\nvar STRING_ITERATOR = 'String Iterator';\nvar setInternalState = InternalStateModule.set;\nvar getInternalState = InternalStateModule.getterFor(STRING_ITERATOR);\n\n// `String.prototype[@@iterator]` method\n// https://tc39.github.io/ecma262/#sec-string.prototype-@@iterator\ndefineIterator(String, 'String', function (iterated) {\n setInternalState(this, {\n type: STRING_ITERATOR,\n string: String(iterated),\n index: 0\n });\n// `%StringIteratorPrototype%.next` method\n// https://tc39.github.io/ecma262/#sec-%stringiteratorprototype%.next\n}, function next() {\n var state = getInternalState(this);\n var string = state.string;\n var index = state.index;\n var point;\n if (index >= string.length) return { value: undefined, done: true };\n point = charAt(string, index);\n state.index += point.length;\n return { value: point, done: false };\n});\n","var userAgent = require('../internals/engine-user-agent');\n\nmodule.exports = /(iphone|ipod|ipad).*applewebkit/i.test(userAgent);\n","var $export = require('./_export');\nvar $parseFloat = require('./_parse-float');\n// 18.2.4 parseFloat(string)\n$export($export.G + $export.F * (parseFloat != $parseFloat), { parseFloat: $parseFloat });\n","var $ = require('../internals/export');\nvar is = require('../internals/same-value');\n\n// `Object.is` method\n// https://tc39.github.io/ecma262/#sec-object.is\n$({ target: 'Object', stat: true }, {\n is: is\n});\n","var Set = require('./es6.set');\nvar from = require('./_array-from-iterable');\nvar metadata = require('./_metadata');\nvar anObject = require('./_an-object');\nvar getPrototypeOf = require('./_object-gpo');\nvar ordinaryOwnMetadataKeys = metadata.keys;\nvar toMetaKey = metadata.key;\n\nvar ordinaryMetadataKeys = function (O, P) {\n var oKeys = ordinaryOwnMetadataKeys(O, P);\n var parent = getPrototypeOf(O);\n if (parent === null) return oKeys;\n var pKeys = ordinaryMetadataKeys(parent, P);\n return pKeys.length ? oKeys.length ? from(new Set(oKeys.concat(pKeys))) : pKeys : oKeys;\n};\n\nmetadata.exp({ getMetadataKeys: function getMetadataKeys(target /* , targetKey */) {\n return ordinaryMetadataKeys(anObject(target), arguments.length < 2 ? undefined : toMetaKey(arguments[1]));\n} });\n","var defineWellKnownSymbol = require('../internals/define-well-known-symbol');\n\n// `Symbol.species` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.species\ndefineWellKnownSymbol('species');\n","module.exports = function (bitmap, value) {\n return {\n enumerable: !(bitmap & 1),\n configurable: !(bitmap & 2),\n writable: !(bitmap & 4),\n value: value\n };\n};\n","// 26.1.4 Reflect.deleteProperty(target, propertyKey)\nvar $export = require('./_export');\nvar gOPD = require('./_object-gopd').f;\nvar anObject = require('./_an-object');\n\n$export($export.S, 'Reflect', {\n deleteProperty: function deleteProperty(target, propertyKey) {\n var desc = gOPD(anObject(target), propertyKey);\n return desc && !desc.configurable ? false : delete target[propertyKey];\n }\n});\n","var classof = require('./classof-raw');\nvar regexpExec = require('./regexp-exec');\n\n// `RegExpExec` abstract operation\n// https://tc39.github.io/ecma262/#sec-regexpexec\nmodule.exports = function (R, S) {\n var exec = R.exec;\n if (typeof exec === 'function') {\n var result = exec.call(R, S);\n if (typeof result !== 'object') {\n throw TypeError('RegExp exec method returned something other than an Object or null');\n }\n return result;\n }\n\n if (classof(R) !== 'RegExp') {\n throw TypeError('RegExp#exec called on incompatible receiver');\n }\n\n return regexpExec.call(R, S);\n};\n\n","var requireObjectCoercible = require('../internals/require-object-coercible');\n\nvar quot = /\"/g;\n\n// B.2.3.2.1 CreateHTML(string, tag, attribute, value)\n// https://tc39.github.io/ecma262/#sec-createhtml\nmodule.exports = function (string, tag, attribute, value) {\n var S = String(requireObjectCoercible(string));\n var p1 = '<' + tag;\n if (attribute !== '') p1 += ' ' + attribute + '=\"' + String(value).replace(quot, '"') + '\"';\n return p1 + '>' + S + '';\n};\n","// 22.1.3.3 Array.prototype.copyWithin(target, start, end = this.length)\n'use strict';\nvar toObject = require('./_to-object');\nvar toAbsoluteIndex = require('./_to-absolute-index');\nvar toLength = require('./_to-length');\n\nmodule.exports = [].copyWithin || function copyWithin(target /* = 0 */, start /* = 0, end = @length */) {\n var O = toObject(this);\n var len = toLength(O.length);\n var to = toAbsoluteIndex(target, len);\n var from = toAbsoluteIndex(start, len);\n var end = arguments.length > 2 ? arguments[2] : undefined;\n var count = Math.min((end === undefined ? len : toAbsoluteIndex(end, len)) - from, len - to);\n var inc = 1;\n if (from < to && to < from + count) {\n inc = -1;\n from += count - 1;\n to += count - 1;\n }\n while (count-- > 0) {\n if (from in O) O[to] = O[from];\n else delete O[to];\n to += inc;\n from += inc;\n } return O;\n};\n","'use strict';\nvar $ = require('../internals/export');\nvar forEach = require('../internals/array-for-each');\n\n// `Array.prototype.forEach` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.foreach\n$({ target: 'Array', proto: true, forced: [].forEach != forEach }, {\n forEach: forEach\n});\n","var ceil = Math.ceil;\nvar floor = Math.floor;\n\n// `ToInteger` abstract operation\n// https://tc39.github.io/ecma262/#sec-tointeger\nmodule.exports = function (argument) {\n return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor : ceil)(argument);\n};\n","'use strict';\nvar collection = require('../internals/collection');\nvar collectionStrong = require('../internals/collection-strong');\n\n// `Map` constructor\n// https://tc39.github.io/ecma262/#sec-map-objects\nmodule.exports = collection('Map', function (init) {\n return function Map() { return init(this, arguments.length ? arguments[0] : undefined); };\n}, collectionStrong);\n","var has = require('../internals/has');\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar indexOf = require('../internals/array-includes').indexOf;\nvar hiddenKeys = require('../internals/hidden-keys');\n\nmodule.exports = function (object, names) {\n var O = toIndexedObject(object);\n var i = 0;\n var result = [];\n var key;\n for (key in O) !has(hiddenKeys, key) && has(O, key) && result.push(key);\n // Don't enum bug & hidden keys\n while (names.length > i) if (has(O, key = names[i++])) {\n ~indexOf(result, key) || result.push(key);\n }\n return result;\n};\n","var global = require('../internals/global');\nvar trim = require('../internals/string-trim').trim;\nvar whitespaces = require('../internals/whitespaces');\n\nvar $parseFloat = global.parseFloat;\nvar FORCED = 1 / $parseFloat(whitespaces + '-0') !== -Infinity;\n\n// `parseFloat` method\n// https://tc39.github.io/ecma262/#sec-parsefloat-string\nmodule.exports = FORCED ? function parseFloat(string) {\n var trimmedString = trim(String(string));\n var result = $parseFloat(trimmedString);\n return result === 0 && trimmedString.charAt(0) == '-' ? -0 : result;\n} : $parseFloat;\n","// 7.2.1 RequireObjectCoercible(argument)\nmodule.exports = function (it) {\n if (it == undefined) throw TypeError(\"Can't call method on \" + it);\n return it;\n};\n","'use strict';\nvar $ = require('../internals/export');\nvar getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;\nvar toLength = require('../internals/to-length');\nvar notARegExp = require('../internals/not-a-regexp');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\nvar correctIsRegExpLogic = require('../internals/correct-is-regexp-logic');\nvar IS_PURE = require('../internals/is-pure');\n\nvar nativeEndsWith = ''.endsWith;\nvar min = Math.min;\n\nvar CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('endsWith');\n// https://github.com/zloirock/core-js/pull/702\nvar MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {\n var descriptor = getOwnPropertyDescriptor(String.prototype, 'endsWith');\n return descriptor && !descriptor.writable;\n}();\n\n// `String.prototype.endsWith` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.endswith\n$({ target: 'String', proto: true, forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC }, {\n endsWith: function endsWith(searchString /* , endPosition = @length */) {\n var that = String(requireObjectCoercible(this));\n notARegExp(searchString);\n var endPosition = arguments.length > 1 ? arguments[1] : undefined;\n var len = toLength(that.length);\n var end = endPosition === undefined ? len : min(toLength(endPosition), len);\n var search = String(searchString);\n return nativeEndsWith\n ? nativeEndsWith.call(that, search, end)\n : that.slice(end - search.length, end) === search;\n }\n});\n","/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n// ES2015 symbol capabilities\nimport 'core-js/es/symbol';\n\n// ES2015 function capabilities\nimport 'core-js/modules/es.function.bind';\nimport 'core-js/modules/es.function.name';\nimport 'core-js/modules/es.function.has-instance';\n\n// ES2015 object capabilities\nimport 'core-js/modules/es.object.create';\nimport 'core-js/modules/es.object.define-property';\nimport 'core-js/modules/es.object.define-properties';\nimport 'core-js/modules/es.object.get-own-property-descriptor';\nimport 'core-js/modules/es.object.get-prototype-of';\nimport 'core-js/modules/es.object.keys';\nimport 'core-js/modules/es.object.get-own-property-names';\nimport 'core-js/modules/es.object.freeze';\nimport 'core-js/modules/es.object.seal';\nimport 'core-js/modules/es.object.prevent-extensions';\nimport 'core-js/modules/es.object.is-frozen';\nimport 'core-js/modules/es.object.is-sealed';\nimport 'core-js/modules/es.object.is-extensible';\nimport 'core-js/modules/es.object.assign';\nimport 'core-js/modules/es.object.is';\nimport 'core-js/modules/es.object.set-prototype-of';\nimport 'core-js/modules/es.object.to-string';\n\n// ES2015 array capabilities\nimport 'core-js/modules/es.array.concat';\nimport 'core-js/modules/es.array.is-array';\nimport 'core-js/modules/es.array.from';\nimport 'core-js/modules/es.array.of';\nimport 'core-js/modules/es.array.join';\nimport 'core-js/modules/es.array.slice';\nimport 'core-js/modules/es.array.splice';\nimport 'core-js/modules/es.array.sort';\nimport 'core-js/modules/es.array.for-each';\nimport 'core-js/modules/es.array.map';\nimport 'core-js/modules/es.array.filter';\nimport 'core-js/modules/es.array.some';\nimport 'core-js/modules/es.array.every';\nimport 'core-js/modules/es.array.reduce';\nimport 'core-js/modules/es.array.reduce-right';\nimport 'core-js/modules/es.array.index-of';\nimport 'core-js/modules/es.array.last-index-of';\nimport 'core-js/modules/es.array.copy-within';\nimport 'core-js/modules/es.array.fill';\nimport 'core-js/modules/es.array.find';\nimport 'core-js/modules/es.array.find-index';\nimport 'core-js/modules/es.array.iterator';\n\n// ES2015 string capabilities\nimport 'core-js/modules/es.string.from-code-point';\nimport 'core-js/modules/es.string.raw';\nimport 'core-js/modules/es.string.trim';\nimport 'core-js/modules/es.string.iterator';\nimport 'core-js/modules/es.string.code-point-at';\nimport 'core-js/modules/es.string.ends-with';\nimport 'core-js/modules/es.string.includes';\nimport 'core-js/modules/es.string.repeat';\nimport 'core-js/modules/es.string.starts-with';\nimport 'core-js/modules/es.string.anchor';\nimport 'core-js/modules/es.string.big';\nimport 'core-js/modules/es.string.blink';\nimport 'core-js/modules/es.string.bold';\nimport 'core-js/modules/es.string.fixed';\nimport 'core-js/modules/es.string.fontcolor';\nimport 'core-js/modules/es.string.fontsize';\nimport 'core-js/modules/es.string.italics';\nimport 'core-js/modules/es.string.link';\nimport 'core-js/modules/es.string.small';\nimport 'core-js/modules/es.string.strike';\nimport 'core-js/modules/es.string.sub';\nimport 'core-js/modules/es.string.sup';\nimport 'core-js/modules/es.string.match';\nimport 'core-js/modules/es.string.replace';\nimport 'core-js/modules/es.string.search';\nimport 'core-js/modules/es.string.split';\n\nimport 'core-js/modules/es.parse-int';\nimport 'core-js/modules/es.parse-float';\n\nimport 'core-js/es/number';\nimport 'core-js/es/math';\nimport 'core-js/es/date';\n\nimport 'core-js/modules/es.regexp.constructor';\nimport 'core-js/modules/es.regexp.to-string';\nimport 'core-js/modules/es.regexp.flags';\n\nimport 'core-js/modules/es.map';\nimport 'core-js/modules/es.weak-map';\nimport 'core-js/modules/es.set';\nimport 'core-js/modules/web.dom-collections.for-each';\nimport 'core-js/modules/web.dom-collections.iterator';\nimport 'core-js/modules/es.promise';\nimport 'core-js/modules/es.json.to-string-tag';\n\nimport 'regenerator-runtime/runtime';","require('../modules/es6.symbol');\nrequire('../modules/es6.object.to-string');\nmodule.exports = require('../modules/_core').Symbol;\n","var cof = require('./_cof');\nmodule.exports = function (it, msg) {\n if (typeof it != 'number' && cof(it) != 'Number') throw TypeError(msg);\n return +it;\n};\n","var aFunction = require('../internals/a-function');\nvar toObject = require('../internals/to-object');\nvar IndexedObject = require('../internals/indexed-object');\nvar toLength = require('../internals/to-length');\n\n// `Array.prototype.{ reduce, reduceRight }` methods implementation\nvar createMethod = function (IS_RIGHT) {\n return function (that, callbackfn, argumentsLength, memo) {\n aFunction(callbackfn);\n var O = toObject(that);\n var self = IndexedObject(O);\n var length = toLength(O.length);\n var index = IS_RIGHT ? length - 1 : 0;\n var i = IS_RIGHT ? -1 : 1;\n if (argumentsLength < 2) while (true) {\n if (index in self) {\n memo = self[index];\n index += i;\n break;\n }\n index += i;\n if (IS_RIGHT ? index < 0 : length <= index) {\n throw TypeError('Reduce of empty array with no initial value');\n }\n }\n for (;IS_RIGHT ? index >= 0 : length > index; index += i) if (index in self) {\n memo = callbackfn(memo, self[index], index, O);\n }\n return memo;\n };\n};\n\nmodule.exports = {\n // `Array.prototype.reduce` method\n // https://tc39.github.io/ecma262/#sec-array.prototype.reduce\n left: createMethod(false),\n // `Array.prototype.reduceRight` method\n // https://tc39.github.io/ecma262/#sec-array.prototype.reduceright\n right: createMethod(true)\n};\n","// false -> Array#indexOf\n// true -> Array#includes\nvar toIObject = require('./_to-iobject');\nvar toLength = require('./_to-length');\nvar toAbsoluteIndex = require('./_to-absolute-index');\nmodule.exports = function (IS_INCLUDES) {\n return function ($this, el, fromIndex) {\n var O = toIObject($this);\n var length = toLength(O.length);\n var index = toAbsoluteIndex(fromIndex, length);\n var value;\n // Array#includes uses SameValueZero equality algorithm\n // eslint-disable-next-line no-self-compare\n if (IS_INCLUDES && el != el) while (length > index) {\n value = O[index++];\n // eslint-disable-next-line no-self-compare\n if (value != value) return true;\n // Array#indexOf ignores holes, Array#includes - not\n } else for (;length > index; index++) if (IS_INCLUDES || index in O) {\n if (O[index] === el) return IS_INCLUDES || index || 0;\n } return !IS_INCLUDES && -1;\n };\n};\n","var DESCRIPTORS = require('../internals/descriptors');\nvar fails = require('../internals/fails');\nvar has = require('../internals/has');\n\nvar defineProperty = Object.defineProperty;\nvar cache = {};\n\nvar thrower = function (it) { throw it; };\n\nmodule.exports = function (METHOD_NAME, options) {\n if (has(cache, METHOD_NAME)) return cache[METHOD_NAME];\n if (!options) options = {};\n var method = [][METHOD_NAME];\n var ACCESSORS = has(options, 'ACCESSORS') ? options.ACCESSORS : false;\n var argument0 = has(options, 0) ? options[0] : thrower;\n var argument1 = has(options, 1) ? options[1] : undefined;\n\n return cache[METHOD_NAME] = !!method && !fails(function () {\n if (ACCESSORS && !DESCRIPTORS) return true;\n var O = { length: -1 };\n\n if (ACCESSORS) defineProperty(O, 1, { enumerable: true, get: thrower });\n else O[1] = 1;\n\n method.call(O, argument0, argument1);\n });\n};\n","'use strict';\nvar toObject = require('../internals/to-object');\nvar toAbsoluteIndex = require('../internals/to-absolute-index');\nvar toLength = require('../internals/to-length');\n\n// `Array.prototype.fill` method implementation\n// https://tc39.github.io/ecma262/#sec-array.prototype.fill\nmodule.exports = function fill(value /* , start = 0, end = @length */) {\n var O = toObject(this);\n var length = toLength(O.length);\n var argumentsLength = arguments.length;\n var index = toAbsoluteIndex(argumentsLength > 1 ? arguments[1] : undefined, length);\n var end = argumentsLength > 2 ? arguments[2] : undefined;\n var endPos = end === undefined ? length : toAbsoluteIndex(end, length);\n while (endPos > index) O[index++] = value;\n return O;\n};\n","var global = require('../internals/global');\nvar getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar redefine = require('../internals/redefine');\nvar setGlobal = require('../internals/set-global');\nvar copyConstructorProperties = require('../internals/copy-constructor-properties');\nvar isForced = require('../internals/is-forced');\n\n/*\n options.target - name of the target object\n options.global - target is the global object\n options.stat - export as static methods of target\n options.proto - export as prototype methods of target\n options.real - real prototype method for the `pure` version\n options.forced - export even if the native feature is available\n options.bind - bind methods to the target, required for the `pure` version\n options.wrap - wrap constructors to preventing global pollution, required for the `pure` version\n options.unsafe - use the simple assignment of property instead of delete + defineProperty\n options.sham - add a flag to not completely full polyfills\n options.enumerable - export as enumerable property\n options.noTargetGet - prevent calling a getter on target\n*/\nmodule.exports = function (options, source) {\n var TARGET = options.target;\n var GLOBAL = options.global;\n var STATIC = options.stat;\n var FORCED, target, key, targetProperty, sourceProperty, descriptor;\n if (GLOBAL) {\n target = global;\n } else if (STATIC) {\n target = global[TARGET] || setGlobal(TARGET, {});\n } else {\n target = (global[TARGET] || {}).prototype;\n }\n if (target) for (key in source) {\n sourceProperty = source[key];\n if (options.noTargetGet) {\n descriptor = getOwnPropertyDescriptor(target, key);\n targetProperty = descriptor && descriptor.value;\n } else targetProperty = target[key];\n FORCED = isForced(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced);\n // contained in target\n if (!FORCED && targetProperty !== undefined) {\n if (typeof sourceProperty === typeof targetProperty) continue;\n copyConstructorProperties(sourceProperty, targetProperty);\n }\n // add a flag to not completely full polyfills\n if (options.sham || (targetProperty && targetProperty.sham)) {\n createNonEnumerableProperty(sourceProperty, 'sham', true);\n }\n // extend global\n redefine(target, key, sourceProperty, options);\n }\n};\n","var has = require('../internals/has');\nvar toObject = require('../internals/to-object');\nvar sharedKey = require('../internals/shared-key');\nvar CORRECT_PROTOTYPE_GETTER = require('../internals/correct-prototype-getter');\n\nvar IE_PROTO = sharedKey('IE_PROTO');\nvar ObjectPrototype = Object.prototype;\n\n// `Object.getPrototypeOf` method\n// https://tc39.github.io/ecma262/#sec-object.getprototypeof\nmodule.exports = CORRECT_PROTOTYPE_GETTER ? Object.getPrototypeOf : function (O) {\n O = toObject(O);\n if (has(O, IE_PROTO)) return O[IE_PROTO];\n if (typeof O.constructor == 'function' && O instanceof O.constructor) {\n return O.constructor.prototype;\n } return O instanceof Object ? ObjectPrototype : null;\n};\n","var $ = require('../internals/export');\nvar fails = require('../internals/fails');\nvar isObject = require('../internals/is-object');\n\nvar nativeIsExtensible = Object.isExtensible;\nvar FAILS_ON_PRIMITIVES = fails(function () { nativeIsExtensible(1); });\n\n// `Object.isExtensible` method\n// https://tc39.github.io/ecma262/#sec-object.isextensible\n$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, {\n isExtensible: function isExtensible(it) {\n return isObject(it) ? nativeIsExtensible ? nativeIsExtensible(it) : true : false;\n }\n});\n","var $ = require('../internals/export');\nvar isArray = require('../internals/is-array');\n\n// `Array.isArray` method\n// https://tc39.github.io/ecma262/#sec-array.isarray\n$({ target: 'Array', stat: true }, {\n isArray: isArray\n});\n","'use strict';\nvar $ = require('../internals/export');\nvar global = require('../internals/global');\nvar isForced = require('../internals/is-forced');\nvar redefine = require('../internals/redefine');\nvar InternalMetadataModule = require('../internals/internal-metadata');\nvar iterate = require('../internals/iterate');\nvar anInstance = require('../internals/an-instance');\nvar isObject = require('../internals/is-object');\nvar fails = require('../internals/fails');\nvar checkCorrectnessOfIteration = require('../internals/check-correctness-of-iteration');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar inheritIfRequired = require('../internals/inherit-if-required');\n\nmodule.exports = function (CONSTRUCTOR_NAME, wrapper, common) {\n var IS_MAP = CONSTRUCTOR_NAME.indexOf('Map') !== -1;\n var IS_WEAK = CONSTRUCTOR_NAME.indexOf('Weak') !== -1;\n var ADDER = IS_MAP ? 'set' : 'add';\n var NativeConstructor = global[CONSTRUCTOR_NAME];\n var NativePrototype = NativeConstructor && NativeConstructor.prototype;\n var Constructor = NativeConstructor;\n var exported = {};\n\n var fixMethod = function (KEY) {\n var nativeMethod = NativePrototype[KEY];\n redefine(NativePrototype, KEY,\n KEY == 'add' ? function add(value) {\n nativeMethod.call(this, value === 0 ? 0 : value);\n return this;\n } : KEY == 'delete' ? function (key) {\n return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);\n } : KEY == 'get' ? function get(key) {\n return IS_WEAK && !isObject(key) ? undefined : nativeMethod.call(this, key === 0 ? 0 : key);\n } : KEY == 'has' ? function has(key) {\n return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);\n } : function set(key, value) {\n nativeMethod.call(this, key === 0 ? 0 : key, value);\n return this;\n }\n );\n };\n\n // eslint-disable-next-line max-len\n if (isForced(CONSTRUCTOR_NAME, typeof NativeConstructor != 'function' || !(IS_WEAK || NativePrototype.forEach && !fails(function () {\n new NativeConstructor().entries().next();\n })))) {\n // create collection constructor\n Constructor = common.getConstructor(wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER);\n InternalMetadataModule.REQUIRED = true;\n } else if (isForced(CONSTRUCTOR_NAME, true)) {\n var instance = new Constructor();\n // early implementations not supports chaining\n var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance;\n // V8 ~ Chromium 40- weak-collections throws on primitives, but should return false\n var THROWS_ON_PRIMITIVES = fails(function () { instance.has(1); });\n // most early implementations doesn't supports iterables, most modern - not close it correctly\n // eslint-disable-next-line no-new\n var ACCEPT_ITERABLES = checkCorrectnessOfIteration(function (iterable) { new NativeConstructor(iterable); });\n // for early implementations -0 and +0 not the same\n var BUGGY_ZERO = !IS_WEAK && fails(function () {\n // V8 ~ Chromium 42- fails only with 5+ elements\n var $instance = new NativeConstructor();\n var index = 5;\n while (index--) $instance[ADDER](index, index);\n return !$instance.has(-0);\n });\n\n if (!ACCEPT_ITERABLES) {\n Constructor = wrapper(function (dummy, iterable) {\n anInstance(dummy, Constructor, CONSTRUCTOR_NAME);\n var that = inheritIfRequired(new NativeConstructor(), dummy, Constructor);\n if (iterable != undefined) iterate(iterable, that[ADDER], that, IS_MAP);\n return that;\n });\n Constructor.prototype = NativePrototype;\n NativePrototype.constructor = Constructor;\n }\n\n if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) {\n fixMethod('delete');\n fixMethod('has');\n IS_MAP && fixMethod('get');\n }\n\n if (BUGGY_ZERO || HASNT_CHAINING) fixMethod(ADDER);\n\n // weak collections should not contains .clear method\n if (IS_WEAK && NativePrototype.clear) delete NativePrototype.clear;\n }\n\n exported[CONSTRUCTOR_NAME] = Constructor;\n $({ global: true, forced: Constructor != NativeConstructor }, exported);\n\n setToStringTag(Constructor, CONSTRUCTOR_NAME);\n\n if (!IS_WEAK) common.setStrong(Constructor, CONSTRUCTOR_NAME, IS_MAP);\n\n return Constructor;\n};\n","'use strict';\nvar dP = require('./_object-dp').f;\nvar create = require('./_object-create');\nvar redefineAll = require('./_redefine-all');\nvar ctx = require('./_ctx');\nvar anInstance = require('./_an-instance');\nvar forOf = require('./_for-of');\nvar $iterDefine = require('./_iter-define');\nvar step = require('./_iter-step');\nvar setSpecies = require('./_set-species');\nvar DESCRIPTORS = require('./_descriptors');\nvar fastKey = require('./_meta').fastKey;\nvar validate = require('./_validate-collection');\nvar SIZE = DESCRIPTORS ? '_s' : 'size';\n\nvar getEntry = function (that, key) {\n // fast case\n var index = fastKey(key);\n var entry;\n if (index !== 'F') return that._i[index];\n // frozen object case\n for (entry = that._f; entry; entry = entry.n) {\n if (entry.k == key) return entry;\n }\n};\n\nmodule.exports = {\n getConstructor: function (wrapper, NAME, IS_MAP, ADDER) {\n var C = wrapper(function (that, iterable) {\n anInstance(that, C, NAME, '_i');\n that._t = NAME; // collection type\n that._i = create(null); // index\n that._f = undefined; // first entry\n that._l = undefined; // last entry\n that[SIZE] = 0; // size\n if (iterable != undefined) forOf(iterable, IS_MAP, that[ADDER], that);\n });\n redefineAll(C.prototype, {\n // 23.1.3.1 Map.prototype.clear()\n // 23.2.3.2 Set.prototype.clear()\n clear: function clear() {\n for (var that = validate(this, NAME), data = that._i, entry = that._f; entry; entry = entry.n) {\n entry.r = true;\n if (entry.p) entry.p = entry.p.n = undefined;\n delete data[entry.i];\n }\n that._f = that._l = undefined;\n that[SIZE] = 0;\n },\n // 23.1.3.3 Map.prototype.delete(key)\n // 23.2.3.4 Set.prototype.delete(value)\n 'delete': function (key) {\n var that = validate(this, NAME);\n var entry = getEntry(that, key);\n if (entry) {\n var next = entry.n;\n var prev = entry.p;\n delete that._i[entry.i];\n entry.r = true;\n if (prev) prev.n = next;\n if (next) next.p = prev;\n if (that._f == entry) that._f = next;\n if (that._l == entry) that._l = prev;\n that[SIZE]--;\n } return !!entry;\n },\n // 23.2.3.6 Set.prototype.forEach(callbackfn, thisArg = undefined)\n // 23.1.3.5 Map.prototype.forEach(callbackfn, thisArg = undefined)\n forEach: function forEach(callbackfn /* , that = undefined */) {\n validate(this, NAME);\n var f = ctx(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);\n var entry;\n while (entry = entry ? entry.n : this._f) {\n f(entry.v, entry.k, this);\n // revert to the last existing entry\n while (entry && entry.r) entry = entry.p;\n }\n },\n // 23.1.3.7 Map.prototype.has(key)\n // 23.2.3.7 Set.prototype.has(value)\n has: function has(key) {\n return !!getEntry(validate(this, NAME), key);\n }\n });\n if (DESCRIPTORS) dP(C.prototype, 'size', {\n get: function () {\n return validate(this, NAME)[SIZE];\n }\n });\n return C;\n },\n def: function (that, key, value) {\n var entry = getEntry(that, key);\n var prev, index;\n // change existing entry\n if (entry) {\n entry.v = value;\n // create new entry\n } else {\n that._l = entry = {\n i: index = fastKey(key, true), // <- index\n k: key, // <- key\n v: value, // <- value\n p: prev = that._l, // <- previous entry\n n: undefined, // <- next entry\n r: false // <- removed\n };\n if (!that._f) that._f = entry;\n if (prev) prev.n = entry;\n that[SIZE]++;\n // add to index\n if (index !== 'F') that._i[index] = entry;\n } return that;\n },\n getEntry: getEntry,\n setStrong: function (C, NAME, IS_MAP) {\n // add .keys, .values, .entries, [@@iterator]\n // 23.1.3.4, 23.1.3.8, 23.1.3.11, 23.1.3.12, 23.2.3.5, 23.2.3.8, 23.2.3.10, 23.2.3.11\n $iterDefine(C, NAME, function (iterated, kind) {\n this._t = validate(iterated, NAME); // target\n this._k = kind; // kind\n this._l = undefined; // previous\n }, function () {\n var that = this;\n var kind = that._k;\n var entry = that._l;\n // revert to the last existing entry\n while (entry && entry.r) entry = entry.p;\n // get next entry\n if (!that._t || !(that._l = entry = entry ? entry.n : that._t._f)) {\n // or finish the iteration\n that._t = undefined;\n return step(1);\n }\n // return step by kind\n if (kind == 'keys') return step(0, entry.k);\n if (kind == 'values') return step(0, entry.v);\n return step(0, [entry.k, entry.v]);\n }, IS_MAP ? 'entries' : 'values', !IS_MAP, true);\n\n // add [@@species], 23.1.2.2, 23.2.2.2\n setSpecies(NAME);\n }\n};\n","var $ = require('../internals/export');\nvar toObject = require('../internals/to-object');\nvar nativeKeys = require('../internals/object-keys');\nvar fails = require('../internals/fails');\n\nvar FAILS_ON_PRIMITIVES = fails(function () { nativeKeys(1); });\n\n// `Object.keys` method\n// https://tc39.github.io/ecma262/#sec-object.keys\n$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, {\n keys: function keys(it) {\n return nativeKeys(toObject(it));\n }\n});\n","'use strict';\nvar anObject = require('../internals/an-object');\n\n// `RegExp.prototype.flags` getter implementation\n// https://tc39.github.io/ecma262/#sec-get-regexp.prototype.flags\nmodule.exports = function () {\n var that = anObject(this);\n var result = '';\n if (that.global) result += 'g';\n if (that.ignoreCase) result += 'i';\n if (that.multiline) result += 'm';\n if (that.dotAll) result += 's';\n if (that.unicode) result += 'u';\n if (that.sticky) result += 'y';\n return result;\n};\n","// 20.2.2.33 Math.tanh(x)\nvar $export = require('./_export');\nvar expm1 = require('./_math-expm1');\nvar exp = Math.exp;\n\n$export($export.S, 'Math', {\n tanh: function tanh(x) {\n var a = expm1(x = +x);\n var b = expm1(-x);\n return a == Infinity ? 1 : b == Infinity ? -1 : (a - b) / (exp(x) + exp(-x));\n }\n});\n","// 20.2.2.17 Math.hypot([value1[, value2[, … ]]])\nvar $export = require('./_export');\nvar abs = Math.abs;\n\n$export($export.S, 'Math', {\n hypot: function hypot(value1, value2) { // eslint-disable-line no-unused-vars\n var sum = 0;\n var i = 0;\n var aLen = arguments.length;\n var larg = 0;\n var arg, div;\n while (i < aLen) {\n arg = abs(arguments[i++]);\n if (larg < arg) {\n div = larg / arg;\n sum = sum * div * div + 1;\n larg = arg;\n } else if (arg > 0) {\n div = arg / larg;\n sum += div * div;\n } else sum += arg;\n }\n return larg === Infinity ? Infinity : larg * Math.sqrt(sum);\n }\n});\n","// a string of all valid unicode whitespaces\n// eslint-disable-next-line max-len\nmodule.exports = '\\u0009\\u000A\\u000B\\u000C\\u000D\\u0020\\u00A0\\u1680\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200A\\u202F\\u205F\\u3000\\u2028\\u2029\\uFEFF';\n","'use strict';\nvar global = require('./_global');\nvar has = require('./_has');\nvar cof = require('./_cof');\nvar inheritIfRequired = require('./_inherit-if-required');\nvar toPrimitive = require('./_to-primitive');\nvar fails = require('./_fails');\nvar gOPN = require('./_object-gopn').f;\nvar gOPD = require('./_object-gopd').f;\nvar dP = require('./_object-dp').f;\nvar $trim = require('./_string-trim').trim;\nvar NUMBER = 'Number';\nvar $Number = global[NUMBER];\nvar Base = $Number;\nvar proto = $Number.prototype;\n// Opera ~12 has broken Object#toString\nvar BROKEN_COF = cof(require('./_object-create')(proto)) == NUMBER;\nvar TRIM = 'trim' in String.prototype;\n\n// 7.1.3 ToNumber(argument)\nvar toNumber = function (argument) {\n var it = toPrimitive(argument, false);\n if (typeof it == 'string' && it.length > 2) {\n it = TRIM ? it.trim() : $trim(it, 3);\n var first = it.charCodeAt(0);\n var third, radix, maxCode;\n if (first === 43 || first === 45) {\n third = it.charCodeAt(2);\n if (third === 88 || third === 120) return NaN; // Number('+0x1') should be NaN, old V8 fix\n } else if (first === 48) {\n switch (it.charCodeAt(1)) {\n case 66: case 98: radix = 2; maxCode = 49; break; // fast equal /^0b[01]+$/i\n case 79: case 111: radix = 8; maxCode = 55; break; // fast equal /^0o[0-7]+$/i\n default: return +it;\n }\n for (var digits = it.slice(2), i = 0, l = digits.length, code; i < l; i++) {\n code = digits.charCodeAt(i);\n // parseInt parses a string to a first unavailable symbol\n // but ToNumber should return NaN if a string contains unavailable symbols\n if (code < 48 || code > maxCode) return NaN;\n } return parseInt(digits, radix);\n }\n } return +it;\n};\n\nif (!$Number(' 0o1') || !$Number('0b1') || $Number('+0x1')) {\n $Number = function Number(value) {\n var it = arguments.length < 1 ? 0 : value;\n var that = this;\n return that instanceof $Number\n // check on 1..constructor(foo) case\n && (BROKEN_COF ? fails(function () { proto.valueOf.call(that); }) : cof(that) != NUMBER)\n ? inheritIfRequired(new Base(toNumber(it)), that, $Number) : toNumber(it);\n };\n for (var keys = require('./_descriptors') ? gOPN(Base) : (\n // ES3:\n 'MAX_VALUE,MIN_VALUE,NaN,NEGATIVE_INFINITY,POSITIVE_INFINITY,' +\n // ES6 (in case, if modules with ES6 Number statics required before):\n 'EPSILON,isFinite,isInteger,isNaN,isSafeInteger,MAX_SAFE_INTEGER,' +\n 'MIN_SAFE_INTEGER,parseFloat,parseInt,isInteger'\n ).split(','), j = 0, key; keys.length > j; j++) {\n if (has(Base, key = keys[j]) && !has($Number, key)) {\n dP($Number, key, gOPD(Base, key));\n }\n }\n $Number.prototype = proto;\n proto.constructor = $Number;\n require('./_redefine')(global, NUMBER, $Number);\n}\n","var toInteger = require('../internals/to-integer');\n\nvar min = Math.min;\n\n// `ToLength` abstract operation\n// https://tc39.github.io/ecma262/#sec-tolength\nmodule.exports = function (argument) {\n return argument > 0 ? min(toInteger(argument), 0x1FFFFFFFFFFFFF) : 0; // 2 ** 53 - 1 == 9007199254740991\n};\n","// 26.1.11 Reflect.ownKeys(target)\nvar $export = require('./_export');\n\n$export($export.S, 'Reflect', { ownKeys: require('./_own-keys') });\n","module.exports = !require('./_descriptors') && !require('./_fails')(function () {\n return Object.defineProperty(require('./_dom-create')('div'), 'a', { get: function () { return 7; } }).a != 7;\n});\n","var isObject = require('./_is-object');\nmodule.exports = function (it) {\n if (!isObject(it)) throw TypeError(it + ' is not an object!');\n return it;\n};\n","var $ = require('../internals/export');\n\n// `Number.MAX_SAFE_INTEGER` constant\n// https://tc39.github.io/ecma262/#sec-number.max_safe_integer\n$({ target: 'Number', stat: true }, {\n MAX_SAFE_INTEGER: 0x1FFFFFFFFFFFFF\n});\n","var IS_PURE = require('../internals/is-pure');\nvar store = require('../internals/shared-store');\n\n(module.exports = function (key, value) {\n return store[key] || (store[key] = value !== undefined ? value : {});\n})('versions', []).push({\n version: '3.6.5',\n mode: IS_PURE ? 'pure' : 'global',\n copyright: '© 2020 Denis Pushkarev (zloirock.ru)'\n});\n","var TO_PRIMITIVE = require('./_wks')('toPrimitive');\nvar proto = Date.prototype;\n\nif (!(TO_PRIMITIVE in proto)) require('./_hide')(proto, TO_PRIMITIVE, require('./_date-to-primitive'));\n","module.exports = {};\n","var global = require('../internals/global');\nvar inspectSource = require('../internals/inspect-source');\n\nvar WeakMap = global.WeakMap;\n\nmodule.exports = typeof WeakMap === 'function' && /native code/.test(inspectSource(WeakMap));\n","var id = 0;\nvar px = Math.random();\nmodule.exports = function (key) {\n return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));\n};\n","'use strict';\nvar addToUnscopables = require('./_add-to-unscopables');\nvar step = require('./_iter-step');\nvar Iterators = require('./_iterators');\nvar toIObject = require('./_to-iobject');\n\n// 22.1.3.4 Array.prototype.entries()\n// 22.1.3.13 Array.prototype.keys()\n// 22.1.3.29 Array.prototype.values()\n// 22.1.3.30 Array.prototype[@@iterator]()\nmodule.exports = require('./_iter-define')(Array, 'Array', function (iterated, kind) {\n this._t = toIObject(iterated); // target\n this._i = 0; // next index\n this._k = kind; // kind\n// 22.1.5.2.1 %ArrayIteratorPrototype%.next()\n}, function () {\n var O = this._t;\n var kind = this._k;\n var index = this._i++;\n if (!O || index >= O.length) {\n this._t = undefined;\n return step(1);\n }\n if (kind == 'keys') return step(0, index);\n if (kind == 'values') return step(0, O[index]);\n return step(0, [index, O[index]]);\n}, 'values');\n\n// argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)\nIterators.Arguments = Iterators.Array;\n\naddToUnscopables('keys');\naddToUnscopables('values');\naddToUnscopables('entries');\n","// 19.1.2.17 Object.seal(O)\nvar isObject = require('./_is-object');\nvar meta = require('./_meta').onFreeze;\n\nrequire('./_object-sap')('seal', function ($seal) {\n return function seal(it) {\n return $seal && isObject(it) ? $seal(meta(it)) : it;\n };\n});\n","// 9.4.2.3 ArraySpeciesCreate(originalArray, length)\nvar speciesConstructor = require('./_array-species-constructor');\n\nmodule.exports = function (original, length) {\n return new (speciesConstructor(original))(length);\n};\n","'use strict';\nvar $ = require('../internals/export');\nvar createHTML = require('../internals/create-html');\nvar forcedStringHTMLMethod = require('../internals/string-html-forced');\n\n// `String.prototype.italics` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.italics\n$({ target: 'String', proto: true, forced: forcedStringHTMLMethod('italics') }, {\n italics: function italics() {\n return createHTML(this, 'i', '', '');\n }\n});\n","var has = require('./_has');\nvar toIObject = require('./_to-iobject');\nvar arrayIndexOf = require('./_array-includes')(false);\nvar IE_PROTO = require('./_shared-key')('IE_PROTO');\n\nmodule.exports = function (object, names) {\n var O = toIObject(object);\n var i = 0;\n var result = [];\n var key;\n for (key in O) if (key != IE_PROTO) has(O, key) && result.push(key);\n // Don't enum bug & hidden keys\n while (names.length > i) if (has(O, key = names[i++])) {\n ~arrayIndexOf(result, key) || result.push(key);\n }\n return result;\n};\n","var $ = require('../internals/export');\nvar fails = require('../internals/fails');\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar nativeGetOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;\nvar DESCRIPTORS = require('../internals/descriptors');\n\nvar FAILS_ON_PRIMITIVES = fails(function () { nativeGetOwnPropertyDescriptor(1); });\nvar FORCED = !DESCRIPTORS || FAILS_ON_PRIMITIVES;\n\n// `Object.getOwnPropertyDescriptor` method\n// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor\n$({ target: 'Object', stat: true, forced: FORCED, sham: !DESCRIPTORS }, {\n getOwnPropertyDescriptor: function getOwnPropertyDescriptor(it, key) {\n return nativeGetOwnPropertyDescriptor(toIndexedObject(it), key);\n }\n});\n","var metadata = require('./_metadata');\nvar anObject = require('./_an-object');\nvar toMetaKey = metadata.key;\nvar getOrCreateMetadataMap = metadata.map;\nvar store = metadata.store;\n\nmetadata.exp({ deleteMetadata: function deleteMetadata(metadataKey, target /* , targetKey */) {\n var targetKey = arguments.length < 3 ? undefined : toMetaKey(arguments[2]);\n var metadataMap = getOrCreateMetadataMap(anObject(target), targetKey, false);\n if (metadataMap === undefined || !metadataMap['delete'](metadataKey)) return false;\n if (metadataMap.size) return true;\n var targetMetadata = store.get(target);\n targetMetadata['delete'](targetKey);\n return !!targetMetadata.size || store['delete'](target);\n} });\n"]}