--- /dev/null
+/* Polyfill service v3.27.1
+ * For detailed credits and licence information see https://github.com/financial-times/polyfill-service.
+ *
+ * Features requested: es5
+ *
+ * - Object.defineProperty, License: CC0 (required by "es5", "Object.defineProperties", "Object.create", "_ESAbstract.CreateMethodProperty", "Array.isArray", "Array.prototype.every", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "Function.prototype.bind", "Object.freeze", "Object.getOwnPropertyDescriptor", "Object.getOwnPropertyNames", "Object.getPrototypeOf", "String.prototype.trim", "_ESAbstract.CreateDataProperty", "_ESAbstract.CreateDataPropertyOrThrow", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate")
+ * - _ESAbstract.CreateMethodProperty, License: CC0 (required by "Array.isArray", "es5", "Array.prototype.every", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "Function.prototype.bind", "Object.create", "Object.defineProperties", "Object.freeze", "Object.getOwnPropertyDescriptor", "Object.getOwnPropertyNames", "Object.getPrototypeOf", "String.prototype.trim")
+ * - _ESAbstract.IsArray, License: CC0 (required by "Array.isArray", "es5", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Array.prototype.map")
+ * - Array.isArray, License: CC0 (required by "es5")
+ * - _ESAbstract.ToObject, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "Object.defineProperties", "Object.create", "_ESAbstract.GetV", "_ESAbstract.GetMethod", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "String.prototype.trim", "_ESAbstract.IsConstructor", "_ESAbstract.ArraySpeciesCreate")
+ * - _ESAbstract.ToInteger, License: CC0 (required by "Array.prototype.indexOf", "es5", "Array.prototype.lastIndexOf", "_ESAbstract.ToLength", "Array.prototype.every", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some")
+ * - _ESAbstract.ToLength, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some")
+ * - _ESAbstract.Get, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "Object.defineProperties", "Object.create", "_ESAbstract.ArraySpeciesCreate", "_ESAbstract.OrdinaryToPrimitive", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "String.prototype.trim", "_ESAbstract.GetPrototypeFromConstructor", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct")
+ * - _ESAbstract.IsCallable, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "Function.prototype.bind", "_ESAbstract.GetMethod", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "String.prototype.trim", "_ESAbstract.IsConstructor", "_ESAbstract.ArraySpeciesCreate", "_ESAbstract.OrdinaryToPrimitive")
+ * - _ESAbstract.Call, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "String.prototype.trim", "_ESAbstract.OrdinaryToPrimitive")
+ * - _ESAbstract.GetV, License: CC0 (required by "_ESAbstract.GetMethod", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "String.prototype.trim", "_ESAbstract.IsConstructor", "_ESAbstract.ArraySpeciesCreate")
+ * - _ESAbstract.GetMethod, License: CC0 (required by "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "String.prototype.trim", "_ESAbstract.IsConstructor", "_ESAbstract.ArraySpeciesCreate")
+ * - _ESAbstract.Type, License: CC0 (required by "Object.create", "es5", "Object.defineProperties", "_ESAbstract.ToString", "Array.prototype.every", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "String.prototype.trim", "_ESAbstract.ArraySpeciesCreate", "_ESAbstract.ToPrimitive", "_ESAbstract.IsConstructor", "_ESAbstract.OrdinaryToPrimitive", "_ESAbstract.GetPrototypeFromConstructor", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct")
+ * - _ESAbstract.OrdinaryToPrimitive, License: CC0 (required by "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "String.prototype.trim")
+ * - _ESAbstract.ToPrimitive, License: CC0 (required by "_ESAbstract.ToString", "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "String.prototype.trim")
+ * - _ESAbstract.ToString, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "String.prototype.trim")
+ * - _ESAbstract.HasProperty, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some")
+ * - _ESAbstract.ToBoolean, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.some")
+ * - Array.prototype.every, License: CC0 (required by "es5")
+ * - _ESAbstract.ArrayCreate, License: CC0 (required by "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "es5", "Array.prototype.map")
+ * - _ESAbstract.IsConstructor, License: CC0 (required by "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "es5", "Array.prototype.map", "_ESAbstract.Construct")
+ * - _ESAbstract.GetPrototypeFromConstructor, License: CC0 (required by "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "es5", "Array.prototype.map")
+ * - Object.keys, License: MIT (required by "es5", "Object.defineProperties", "Object.create")
+ * - Function.prototype.bind, License: MIT (required by "es5", "Object.getOwnPropertyDescriptor", "Object.defineProperties", "Object.create", "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Array.prototype.map")
+ * - Object.getOwnPropertyDescriptor, License: CC0 (required by "es5", "Object.defineProperties", "Object.create")
+ * - Object.defineProperties, License: CC0 (required by "es5", "Object.create")
+ * - Object.create, License: CC0 (required by "es5", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Array.prototype.map")
+ * - Object.getPrototypeOf, License: CC0 (required by "es5", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Array.prototype.map")
+ * - _ESAbstract.OrdinaryCreateFromConstructor, License: CC0 (required by "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "es5", "Array.prototype.map")
+ * - _ESAbstract.Construct, License: CC0 (required by "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "es5", "Array.prototype.map")
+ * - _ESAbstract.ArraySpeciesCreate, License: CC0 (required by "Array.prototype.filter", "es5", "Array.prototype.map")
+ * - _ESAbstract.CreateDataProperty, License: CC0 (required by "_ESAbstract.CreateDataPropertyOrThrow", "Array.prototype.filter", "es5", "Array.prototype.map")
+ * - _ESAbstract.CreateDataPropertyOrThrow, License: CC0 (required by "Array.prototype.filter", "es5", "Array.prototype.map")
+ * - Array.prototype.filter, License: CC0 (required by "es5")
+ * - Array.prototype.forEach, License: CC0 (required by "es5")
+ * - Array.prototype.indexOf, License: CC0 (required by "es5")
+ * - Array.prototype.lastIndexOf, License: CC0 (required by "es5")
+ * - Array.prototype.map, License: CC0 (required by "es5")
+ * - Array.prototype.reduce, License: CC0 (required by "es5")
+ * - Array.prototype.reduceRight, License: CC0 (required by "es5")
+ * - Array.prototype.some, License: CC0 (required by "es5")
+ * - Date.now, License: CC0 (required by "es5")
+ * - Date.prototype.toISOString, License: CC0 (required by "es5")
+ * - Object.freeze, License: CC0 (required by "es5")
+ * - Object.getOwnPropertyNames, License: CC0 (required by "es5")
+ * - _ESAbstract.RequireObjectCoercible, License: CC0 (required by "String.prototype.trim", "es5")
+ * - String.prototype.trim, License: CC0 (required by "es5") */
+
+(function(undefined) {
+if (!(// In IE8, defineProperty could only act on DOM elements, so full support
+// for the feature requires the ability to set a property on an arbitrary object
+'defineProperty' in Object && (function() {
+ try {
+ var a = {};
+ Object.defineProperty(a, 'test', {value:42});
+ return true;
+ } catch(e) {
+ return false
+ }
+}()))) {
+
+// Object.defineProperty
+(function (nativeDefineProperty) {
+
+ var supportsAccessors = Object.prototype.hasOwnProperty('__defineGetter__');
+ var ERR_ACCESSORS_NOT_SUPPORTED = 'Getters & setters cannot be defined on this javascript engine';
+ var ERR_VALUE_ACCESSORS = 'A property cannot both have accessors and be writable or have a value';
+
+ // Polyfill.io - This does not use CreateMethodProperty because our CreateMethodProperty function uses Object.defineProperty.
+ Object['defineProperty'] = function defineProperty(object, property, descriptor) {
+
+ // Where native support exists, assume it
+ if (nativeDefineProperty && (object === window || object === document || object === Element.prototype || object instanceof Element)) {
+ return nativeDefineProperty(object, property, descriptor);
+ }
+
+ if (object === null || !(object instanceof Object || typeof object === 'object')) {
+ throw new TypeError('Object.defineProperty called on non-object');
+ }
+
+ if (!(descriptor instanceof Object)) {
+ throw new TypeError('Property description must be an object');
+ }
+
+ var propertyString = String(property);
+ var hasValueOrWritable = 'value' in descriptor || 'writable' in descriptor;
+ var getterType = 'get' in descriptor && typeof descriptor.get;
+ var setterType = 'set' in descriptor && typeof descriptor.set;
+
+ // handle descriptor.get
+ if (getterType) {
+ if (getterType !== 'function') {
+ throw new TypeError('Getter must be a function');
+ }
+ if (!supportsAccessors) {
+ throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
+ }
+ if (hasValueOrWritable) {
+ throw new TypeError(ERR_VALUE_ACCESSORS);
+ }
+ Object.__defineGetter__.call(object, propertyString, descriptor.get);
+ } else {
+ object[propertyString] = descriptor.value;
+ }
+
+ // handle descriptor.set
+ if (setterType) {
+ if (setterType !== 'function') {
+ throw new TypeError('Setter must be a function');
+ }
+ if (!supportsAccessors) {
+ throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
+ }
+ if (hasValueOrWritable) {
+ throw new TypeError(ERR_VALUE_ACCESSORS);
+ }
+ Object.__defineSetter__.call(object, propertyString, descriptor.set);
+ }
+
+ // OK to define value unconditionally - if a getter has been specified as well, an error would be thrown above
+ if ('value' in descriptor) {
+ object[propertyString] = descriptor.value;
+ }
+
+ return object;
+ };
+}(Object.defineProperty));
+
+}
+
+
+// _ESAbstract.CreateMethodProperty
+// 7.3.5. CreateMethodProperty ( O, P, V )
+function CreateMethodProperty(O, P, V) { // eslint-disable-line no-unused-vars
+ // 1. Assert: Type(O) is Object.
+ // 2. Assert: IsPropertyKey(P) is true.
+ // 3. Let newDesc be the PropertyDescriptor{[[Value]]: V, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: true}.
+ var newDesc = {
+ value: V,
+ writable: true,
+ enumerable: false,
+ configurable: true
+ };
+ // 4. Return ? O.[[DefineOwnProperty]](P, newDesc).
+ Object.defineProperty(O, P, newDesc);
+}
+
+// _ESAbstract.IsArray
+// 7.2.2. IsArray ( argument )
+function IsArray(argument) { // eslint-disable-line no-unused-vars
+ // 1. If Type(argument) is not Object, return false.
+ // 2. If argument is an Array exotic object, return true.
+ // 3. If argument is a Proxy exotic object, then
+ // a. If argument.[[ProxyHandler]] is null, throw a TypeError exception.
+ // b. Let target be argument.[[ProxyTarget]].
+ // c. Return ? IsArray(target).
+ // 4. Return false.
+
+ // Polyfill.io - We can skip all the above steps and check the string returned from Object.prototype.toString().
+ return Object.prototype.toString.call(argument) === '[object Array]';
+}
+if (!('isArray' in Array)) {
+
+// Array.isArray
+/* global CreateMethodProperty, IsArray */
+// 22.1.2.2. Array.isArray ( arg )
+CreateMethodProperty(Array, 'isArray', function isArray(arg) {
+ // 1. Return ? IsArray(arg).
+ return IsArray(arg);
+});
+
+}
+
+
+// _ESAbstract.ToObject
+// 7.1.13 ToObject ( argument )
+// The abstract operation ToObject converts argument to a value of type Object according to Table 12:
+// Table 12: ToObject Conversions
+/*
+|----------------------------------------------------------------------------------------------------------------------------------------------------|
+| Argument Type | Result |
+|----------------------------------------------------------------------------------------------------------------------------------------------------|
+| Undefined | Throw a TypeError exception. |
+| Null | Throw a TypeError exception. |
+| Boolean | Return a new Boolean object whose [[BooleanData]] internal slot is set to argument. See 19.3 for a description of Boolean objects. |
+| Number | Return a new Number object whose [[NumberData]] internal slot is set to argument. See 20.1 for a description of Number objects. |
+| String | Return a new String object whose [[StringData]] internal slot is set to argument. See 21.1 for a description of String objects. |
+| Symbol | Return a new Symbol object whose [[SymbolData]] internal slot is set to argument. See 19.4 for a description of Symbol objects. |
+| Object | Return argument. |
+|----------------------------------------------------------------------------------------------------------------------------------------------------|
+*/
+function ToObject(argument) { // eslint-disable-line no-unused-vars
+ if (argument === null || argument === undefined) {
+ throw TypeError();
+ }
+ return Object(argument);
+}
+
+// _ESAbstract.ToInteger
+// 7.1.4. ToInteger ( argument )
+function ToInteger(argument) { // eslint-disable-line no-unused-vars
+ // 1. Let number be ? ToNumber(argument).
+ var number = Number(argument);
+ // 2. If number is NaN, return +0.
+ if (isNaN(number)) {
+ return 0;
+ }
+ // 3. If number is +0, -0, +∞, or -∞, return number.
+ if (1/number === Infinity || 1/number === -Infinity || number === Infinity || number === -Infinity) {
+ return number;
+ }
+ // 4. Return the number value that is the same sign as number and whose magnitude is floor(abs(number)).
+ return ((number < 0) ? -1 : 1) * Math.floor(Math.abs(number));
+}
+
+// _ESAbstract.ToLength
+/* global ToInteger */
+// 7.1.15. ToLength ( argument )
+function ToLength(argument) { // eslint-disable-line no-unused-vars
+ // 1. Let len be ? ToInteger(argument).
+ var len = ToInteger(argument);
+ // 2. If len ≤ +0, return +0.
+ if (len <= 0) {
+ return 0;
+ }
+ // 3. Return min(len, 253-1).
+ return Math.min(len, Math.pow(2, 53) -1);
+}
+
+// _ESAbstract.Get
+// 7.3.1. Get ( O, P )
+function Get(O, P) { // eslint-disable-line no-unused-vars
+ // 1. Assert: Type(O) is Object.
+ // 2. Assert: IsPropertyKey(P) is true.
+ // 3. Return ? O.[[Get]](P, O).
+ return O[P];
+}
+
+// _ESAbstract.IsCallable
+// 7.2.3. IsCallable ( argument )
+function IsCallable(argument) { // eslint-disable-line no-unused-vars
+ // 1. If Type(argument) is not Object, return false.
+ // 2. If argument has a [[Call]] internal method, return true.
+ // 3. Return false.
+
+ // Polyfill.io - Only function objects have a [[Call]] internal method. This means we can simplify this function to check that the argument has a type of function.
+ return typeof argument === 'function';
+}
+
+// _ESAbstract.Call
+/* global IsCallable */
+// 7.3.12. Call ( F, V [ , argumentsList ] )
+function Call(F, V /* [, argumentsList] */) { // eslint-disable-line no-unused-vars
+ // 1. If argumentsList is not present, set argumentsList to a new empty List.
+ var argumentsList = arguments.length > 2 ? arguments[2] : [];
+ // 2. If IsCallable(F) is false, throw a TypeError exception.
+ if (IsCallable(F) === false) {
+ throw new TypeError(Object.prototype.toString.call(F) + 'is not a function.');
+ }
+ // 3. Return ? F.[[Call]](V, argumentsList).
+ return F.apply(V, argumentsList);
+}
+
+// _ESAbstract.GetV
+/* global ToObject */
+// 7.3.2 GetV (V, P)
+function GetV(v, p) { // eslint-disable-line no-unused-vars
+ // 1. Assert: IsPropertyKey(P) is true.
+ // 2. Let O be ? ToObject(V).
+ var o = ToObject(v);
+ // 3. Return ? O.[[Get]](P, V).
+ return o[p];
+}
+
+// _ESAbstract.GetMethod
+/* global GetV, IsCallable */
+// 7.3.9. GetMethod ( V, P )
+function GetMethod(V, P) { // eslint-disable-line no-unused-vars
+ // 1. Assert: IsPropertyKey(P) is true.
+ // 2. Let func be ? GetV(V, P).
+ var func = GetV(V, P);
+ // 3. If func is either undefined or null, return undefined.
+ if (func === null || func === undefined) {
+ return undefined;
+ }
+ // 4. If IsCallable(func) is false, throw a TypeError exception.
+ if (IsCallable(func) === false) {
+ throw new TypeError('Method not callable: ' + P);
+ }
+ // 5. Return func.
+ return func;
+}
+
+// _ESAbstract.Type
+// "Type(x)" is used as shorthand for "the type of x"...
+function Type(x) { // eslint-disable-line no-unused-vars
+ switch (typeof x) {
+ case 'undefined':
+ return 'undefined';
+ case 'boolean':
+ return 'boolean';
+ case 'number':
+ return 'number';
+ case 'string':
+ return 'string';
+ case 'symbol':
+ return 'symbol';
+ default:
+ // typeof null is 'object'
+ if (x === null) return 'null';
+ // Polyfill.io - This is here because a Symbol polyfill will have a typeof `object`.
+ if ('Symbol' in this && x instanceof this.Symbol) return 'symbol';
+ return 'object';
+ }
+}
+
+// _ESAbstract.OrdinaryToPrimitive
+/* global Get, IsCallable, Call, Type */
+// 7.1.1.1. OrdinaryToPrimitive ( O, hint )
+function OrdinaryToPrimitive(O, hint) { // eslint-disable-line no-unused-vars
+ // 1. Assert: Type(O) is Object.
+ // 2. Assert: Type(hint) is String and its value is either "string" or "number".
+ // 3. If hint is "string", then
+ if (hint === 'string') {
+ // a. Let methodNames be « "toString", "valueOf" ».
+ var methodNames = ['toString', 'valueOf'];
+ // 4. Else,
+ } else {
+ // a. Let methodNames be « "valueOf", "toString" ».
+ methodNames = ['valueOf', 'toString'];
+ }
+ // 5. For each name in methodNames in List order, do
+ for (var i = 0; i < methodNames.length; ++i) {
+ var name = methodNames[i];
+ // a. Let method be ? Get(O, name).
+ var method = Get(O, name);
+ // b. If IsCallable(method) is true, then
+ if (IsCallable(method)) {
+ // i. Let result be ? Call(method, O).
+ var result = Call(method, O);
+ // ii. If Type(result) is not Object, return result.
+ if (Type(result) !== 'object') {
+ return result;
+ }
+ }
+ }
+ // 6. Throw a TypeError exception.
+ throw new TypeError('Cannot convert to primitive.');
+}
+
+// _ESAbstract.ToPrimitive
+/* global Type, GetMethod, Call, OrdinaryToPrimitive */
+// 7.1.1. ToPrimitive ( input [ , PreferredType ] )
+function ToPrimitive(input /* [, PreferredType] */) { // eslint-disable-line no-unused-vars
+ var PreferredType = arguments.length > 1 ? arguments[1] : undefined;
+ // 1. Assert: input is an ECMAScript language value.
+ // 2. If Type(input) is Object, then
+ if (Type(input) === 'object') {
+ // a. If PreferredType is not present, let hint be "default".
+ if (arguments.length < 2) {
+ var hint = 'default';
+ // b. Else if PreferredType is hint String, let hint be "string".
+ } else if (PreferredType === String) {
+ hint = 'string';
+ // c. Else PreferredType is hint Number, let hint be "number".
+ } else if (PreferredType === Number) {
+ hint = 'number';
+ }
+ // d. Let exoticToPrim be ? GetMethod(input, @@toPrimitive).
+ var exoticToPrim = typeof this.Symbol === 'function' && typeof this.Symbol.toPrimitive === 'symbol' ? GetMethod(input, this.Symbol.toPrimitive) : undefined;
+ // e. If exoticToPrim is not undefined, then
+ if (exoticToPrim !== undefined) {
+ // i. Let result be ? Call(exoticToPrim, input, « hint »).
+ var result = Call(exoticToPrim, input, [hint]);
+ // ii. If Type(result) is not Object, return result.
+ if (Type(result) !== 'object') {
+ return result;
+ }
+ // iii. Throw a TypeError exception.
+ throw new TypeError('Cannot convert exotic object to primitive.');
+ }
+ // f. If hint is "default", set hint to "number".
+ if (hint === 'default') {
+ hint = 'number';
+ }
+ // g. Return ? OrdinaryToPrimitive(input, hint).
+ return OrdinaryToPrimitive(input, hint);
+ }
+ // 3. Return input
+ return input;
+}
+
+// _ESAbstract.ToString
+/* global Type, ToPrimitive */
+// 7.1.12. ToString ( argument )
+// The abstract operation ToString converts argument to a value of type String according to Table 11:
+// Table 11: ToString Conversions
+/*
+|---------------|--------------------------------------------------------|
+| Argument Type | Result |
+|---------------|--------------------------------------------------------|
+| Undefined | Return "undefined". |
+|---------------|--------------------------------------------------------|
+| Null | Return "null". |
+|---------------|--------------------------------------------------------|
+| Boolean | If argument is true, return "true". |
+| | If argument is false, return "false". |
+|---------------|--------------------------------------------------------|
+| Number | Return NumberToString(argument). |
+|---------------|--------------------------------------------------------|
+| String | Return argument. |
+|---------------|--------------------------------------------------------|
+| Symbol | Throw a TypeError exception. |
+|---------------|--------------------------------------------------------|
+| Object | Apply the following steps: |
+| | Let primValue be ? ToPrimitive(argument, hint String). |
+| | Return ? ToString(primValue). |
+|---------------|--------------------------------------------------------|
+*/
+function ToString(argument) { // eslint-disable-line no-unused-vars
+ switch(Type(argument)) {
+ case 'symbol':
+ throw new TypeError('Cannot convert a Symbol value to a string');
+ break;
+ case 'object':
+ var primValue = ToPrimitive(argument, 'string');
+ return ToString(primValue);
+ default:
+ return String(argument);
+ }
+}
+
+// _ESAbstract.HasProperty
+// 7.3.10. HasProperty ( O, P )
+function HasProperty(O, P) { // eslint-disable-line no-unused-vars
+ // Assert: Type(O) is Object.
+ // Assert: IsPropertyKey(P) is true.
+ // Return ? O.[[HasProperty]](P).
+ return P in O;
+}
+
+// _ESAbstract.ToBoolean
+// 7.1.2. ToBoolean ( argument )
+// The abstract operation ToBoolean converts argument to a value of type Boolean according to Table 9:
+/*
+--------------------------------------------------------------------------------------------------------------
+| Argument Type | Result |
+--------------------------------------------------------------------------------------------------------------
+| Undefined | Return false. |
+| Null | Return false. |
+| Boolean | Return argument. |
+| Number | If argument is +0, -0, or NaN, return false; otherwise return true. |
+| String | If argument is the empty String (its length is zero), return false; otherwise return true. |
+| Symbol | Return true. |
+| Object | Return true. |
+--------------------------------------------------------------------------------------------------------------
+*/
+function ToBoolean(argument) { // eslint-disable-line no-unused-vars
+ return Boolean(argument);
+}
+if (!('every' in Array.prototype)) {
+
+// Array.prototype.every
+/* global Call, CreateMethodProperty, Get, HasProperty, IsCallable, ToBoolean, ToLength, ToObject, ToString */
+// 22.1.3.5. Array.prototype.every ( callbackfn [ , thisArg ] )
+CreateMethodProperty(Array.prototype, 'every', function every(callbackfn /* [ , thisArg ] */) {
+ // 1. Let O be ? ToObject(this value).
+ var O = ToObject(this);
+ // 2. Let len be ? ToLength(? Get(O, "length")).
+ var len = ToLength(Get(O, "length"));
+ // 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
+ if (IsCallable(callbackfn) === false) {
+ throw new TypeError(callbackfn + ' is not a function');
+ }
+ // 4. If thisArg is present, let T be thisArg; else let T be undefined.
+ var T = arguments.length > 1 ? arguments[1] : undefined;
+ // 5. Let k be 0.
+ var k = 0;
+ // 6. Repeat, while k < len
+ while (k < len) {
+ // a. Let Pk be ! ToString(k).
+ var Pk = ToString(k);
+ // b. Let kPresent be ? HasProperty(O, Pk).
+ var kPresent = HasProperty(O, Pk);
+ // c. If kPresent is true, then
+ if (kPresent) {
+ // i. Let kValue be ? Get(O, Pk).
+ var kValue = Get(O, Pk);
+ // ii. Let testResult be ToBoolean(? Call(callbackfn, T, « kValue, k, O »)).
+ var testResult = ToBoolean(Call(callbackfn, T, [kValue, k, O]));
+ // iii. If testResult is false, return false.
+ if (testResult === false) {
+ return false;
+ }
+ }
+ // d. Increase k by 1.
+ var k = k + 1;
+ }
+ // 7. Return true.
+ return true;
+});
+
+}
+
+
+// _ESAbstract.ArrayCreate
+// 9.4.2.2. ArrayCreate ( length [ , proto ] )
+function ArrayCreate(length /* [, proto] */) { // eslint-disable-line no-unused-vars
+ // 1. Assert: length is an integer Number ≥ 0.
+ // 2. If length is -0, set length to +0.
+ if (1 / length === -Infinity) {
+ length = 0;
+ }
+ // 3. If length>2^32-1, throw a RangeError exception.
+ if (length > (Math.pow(2, 32) - 1)) {
+ throw new RangeError('Invalid array length');
+ }
+ // 4. If proto is not present, set proto to the intrinsic object %ArrayPrototype%.
+ // 5. Let A be a newly created Array exotic object.
+ var A = [];
+ // 6. Set A's essential internal methods except for [[DefineOwnProperty]] to the default ordinary object definitions specified in 9.1.
+ // 7. Set A.[[DefineOwnProperty]] as specified in 9.4.2.1.
+ // 8. Set A.[[Prototype]] to proto.
+ // 9. Set A.[[Extensible]] to true.
+ // 10. Perform ! OrdinaryDefineOwnProperty(A, "length", PropertyDescriptor{[[Value]]: length, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: false}).
+ A.length = length;
+ // 11. Return A.
+ return A;
+}
+
+// _ESAbstract.IsConstructor
+/* global Type */
+// 7.2.4. IsConstructor ( argument )
+function IsConstructor(argument) { // eslint-disable-line no-unused-vars
+ // 1. If Type(argument) is not Object, return false.
+ if (Type(argument) !== 'object') {
+ return false;
+ }
+ // 2. If argument has a [[Construct]] internal method, return true.
+ // 3. Return false.
+
+ // Polyfill.io - `new argument` is the only way to truly test if a function is a constructor.
+ // We choose to not use`new argument` because the argument could have side effects when called.
+ // Instead we check to see if the argument is a function and if it has a prototype.
+ // Arrow functions do not have a [[Construct]] internal method, nor do they have a prototype.
+ return typeof argument === 'function' && !!argument.prototype;
+}
+
+// _ESAbstract.GetPrototypeFromConstructor
+/* global Get, Type */
+// 9.1.14. GetPrototypeFromConstructor ( constructor, intrinsicDefaultProto )
+function GetPrototypeFromConstructor(constructor, intrinsicDefaultProto) { // eslint-disable-line no-unused-vars
+ // 1. Assert: intrinsicDefaultProto is a String value that is this specification's name of an intrinsic object. The corresponding object must be an intrinsic that is intended to be used as the [[Prototype]] value of an object.
+ // 2. Assert: IsCallable(constructor) is true.
+ // 3. Let proto be ? Get(constructor, "prototype").
+ var proto = Get(constructor, "prototype");
+ // 4. If Type(proto) is not Object, then
+ if (Type(proto) !== 'object') {
+ // a. Let realm be ? GetFunctionRealm(constructor).
+ // b. Set proto to realm's intrinsic object named intrinsicDefaultProto.
+ proto = intrinsicDefaultProto;
+ }
+ // 5. Return proto.
+ return proto;
+}
+if (!('keys' in Object && (function () {
+ // Safari 5.0 bug where Object.keys doesn't work with arguments
+ return (Object.keys(arguments)).length === 2;
+}(1, 2)) && (function () {
+ try {
+ // In ES6 Object.keys works on all object except `null` and `undefined`.
+ Object.keys('');
+ return true;
+ } catch (e) {
+ return false;
+ }
+}()))) {
+
+// Object.keys
+Object.keys = (function() {
+ 'use strict';
+
+ // modified from https://github.com/es-shims/object-keys
+
+ var has = Object.prototype.hasOwnProperty;
+ var toStr = Object.prototype.toString;
+ var isEnumerable = Object.prototype.propertyIsEnumerable;
+ var hasDontEnumBug = !isEnumerable.call({ toString: null }, 'toString');
+ var hasProtoEnumBug = isEnumerable.call(function () {}, 'prototype');
+ var dontEnums = [
+ 'toString',
+ 'toLocaleString',
+ 'valueOf',
+ 'hasOwnProperty',
+ 'isPrototypeOf',
+ 'propertyIsEnumerable',
+ 'constructor'
+ ];
+ var equalsConstructorPrototype = function (o) {
+ var ctor = o.constructor;
+ return ctor && ctor.prototype === o;
+ };
+ var excludedKeys = {
+ $console: true,
+ $external: true,
+ $frame: true,
+ $frameElement: true,
+ $frames: true,
+ $innerHeight: true,
+ $innerWidth: true,
+ $outerHeight: true,
+ $outerWidth: true,
+ $pageXOffset: true,
+ $pageYOffset: true,
+ $parent: true,
+ $scrollLeft: true,
+ $scrollTop: true,
+ $scrollX: true,
+ $scrollY: true,
+ $self: true,
+ $webkitIndexedDB: true,
+ $webkitStorageInfo: true,
+ $window: true
+ };
+ var hasAutomationEqualityBug = (function () {
+ /* global window */
+ if (typeof window === 'undefined') { return false; }
+ for (var k in window) {
+ try {
+ if (!excludedKeys['$' + k] && has.call(window, k) && window[k] !== null && typeof window[k] === 'object') {
+ try {
+ equalsConstructorPrototype(window[k]);
+ } catch (e) {
+ return true;
+ }
+ }
+ } catch (e) {
+ return true;
+ }
+ }
+ return false;
+ }());
+ var equalsConstructorPrototypeIfNotBuggy = function (o) {
+ /* global window */
+ if (typeof window === 'undefined' || !hasAutomationEqualityBug) {
+ return equalsConstructorPrototype(o);
+ }
+ try {
+ return equalsConstructorPrototype(o);
+ } catch (e) {
+ return false;
+ }
+ };
+
+ function isArgumentsObject(value) {
+ var str = toStr.call(value);
+ var isArgs = str === '[object Arguments]';
+ if (!isArgs) {
+ isArgs = str !== '[object Array]' &&
+ value !== null &&
+ typeof value === 'object' &&
+ typeof value.length === 'number' &&
+ value.length >= 0 &&
+ toStr.call(value.callee) === '[object Function]';
+ }
+ return isArgs;
+ }
+
+ return function keys(object) {
+ var isFunction = toStr.call(object) === '[object Function]';
+ var isArguments = isArgumentsObject(object);
+ var isString = toStr.call(object) === '[object String]';
+ var theKeys = [];
+
+ if (object === undefined || object === null) {
+ throw new TypeError('Cannot convert undefined or null to object');
+ }
+
+ var skipProto = hasProtoEnumBug && isFunction;
+ if (isString && object.length > 0 && !has.call(object, 0)) {
+ for (var i = 0; i < object.length; ++i) {
+ theKeys.push(String(i));
+ }
+ }
+
+ if (isArguments && object.length > 0) {
+ for (var j = 0; j < object.length; ++j) {
+ theKeys.push(String(j));
+ }
+ } else {
+ for (var name in object) {
+ if (!(skipProto && name === 'prototype') && has.call(object, name)) {
+ theKeys.push(String(name));
+ }
+ }
+ }
+
+ if (hasDontEnumBug) {
+ var skipConstructor = equalsConstructorPrototypeIfNotBuggy(object);
+
+ for (var k = 0; k < dontEnums.length; ++k) {
+ if (!(skipConstructor && dontEnums[k] === 'constructor') && has.call(object, dontEnums[k])) {
+ theKeys.push(dontEnums[k]);
+ }
+ }
+ }
+ return theKeys;
+ };
+}());
+
+}
+
+if (!('bind' in Function.prototype)) {
+
+// Function.prototype.bind
+/* global CreateMethodProperty, IsCallable */
+// 19.2.3.2. Function.prototype.bind ( thisArg, ...args )
+// https://github.com/es-shims/es5-shim/blob/d6d7ff1b131c7ba14c798cafc598bb6780d37d3b/es5-shim.js#L182
+CreateMethodProperty(Function.prototype, 'bind', function bind(that) { // .length is 1
+ // add necessary es5-shim utilities
+ var $Array = Array;
+ var $Object = Object;
+ var ArrayPrototype = $Array.prototype;
+ var Empty = function Empty() { };
+ var array_slice = ArrayPrototype.slice;
+ var array_concat = ArrayPrototype.concat;
+ var array_push = ArrayPrototype.push;
+ var max = Math.max;
+ // /add necessary es5-shim utilities
+
+ // 1. Let Target be the this value.
+ var target = this;
+ // 2. If IsCallable(Target) is false, throw a TypeError exception.
+ if (!IsCallable(target)) {
+ throw new TypeError('Function.prototype.bind called on incompatible ' + target);
+ }
+ // 3. Let A be a new (possibly empty) internal list of all of the
+ // argument values provided after thisArg (arg1, arg2 etc), in order.
+ // XXX slicedArgs will stand in for "A" if used
+ var args = array_slice.call(arguments, 1); // for normal call
+ // 4. Let F be a new native ECMAScript object.
+ // 11. Set the [[Prototype]] internal property of F to the standard
+ // built-in Function prototype object as specified in 15.3.3.1.
+ // 12. Set the [[Call]] internal property of F as described in
+ // 15.3.4.5.1.
+ // 13. Set the [[Construct]] internal property of F as described in
+ // 15.3.4.5.2.
+ // 14. Set the [[HasInstance]] internal property of F as described in
+ // 15.3.4.5.3.
+ var bound;
+ var binder = function () {
+
+ if (this instanceof bound) {
+ // 15.3.4.5.2 [[Construct]]
+ // When the [[Construct]] internal method of a function object,
+ // F that was created using the bind function is called with a
+ // list of arguments ExtraArgs, the following steps are taken:
+ // 1. Let target be the value of F's [[TargetFunction]]
+ // internal property.
+ // 2. If target has no [[Construct]] internal method, a
+ // TypeError exception is thrown.
+ // 3. Let boundArgs be the value of F's [[BoundArgs]] internal
+ // property.
+ // 4. Let args be a new list containing the same values as the
+ // list boundArgs in the same order followed by the same
+ // values as the list ExtraArgs in the same order.
+ // 5. Return the result of calling the [[Construct]] internal
+ // method of target providing args as the arguments.
+
+ var result = target.apply(
+ this,
+ array_concat.call(args, array_slice.call(arguments))
+ );
+ if ($Object(result) === result) {
+ return result;
+ }
+ return this;
+
+ } else {
+ // 15.3.4.5.1 [[Call]]
+ // When the [[Call]] internal method of a function object, F,
+ // which was created using the bind function is called with a
+ // this value and a list of arguments ExtraArgs, the following
+ // steps are taken:
+ // 1. Let boundArgs be the value of F's [[BoundArgs]] internal
+ // property.
+ // 2. Let boundThis be the value of F's [[BoundThis]] internal
+ // property.
+ // 3. Let target be the value of F's [[TargetFunction]] internal
+ // property.
+ // 4. Let args be a new list containing the same values as the
+ // list boundArgs in the same order followed by the same
+ // values as the list ExtraArgs in the same order.
+ // 5. Return the result of calling the [[Call]] internal method
+ // of target providing boundThis as the this value and
+ // providing args as the arguments.
+
+ // equiv: target.call(this, ...boundArgs, ...args)
+ return target.apply(
+ that,
+ array_concat.call(args, array_slice.call(arguments))
+ );
+
+ }
+
+ };
+
+ // 15. If the [[Class]] internal property of Target is "Function", then
+ // a. Let L be the length property of Target minus the length of A.
+ // b. Set the length own property of F to either 0 or L, whichever is
+ // larger.
+ // 16. Else set the length own property of F to 0.
+
+ var boundLength = max(0, target.length - args.length);
+
+ // 17. Set the attributes of the length own property of F to the values
+ // specified in 15.3.5.1.
+ var boundArgs = [];
+ for (var i = 0; i < boundLength; i++) {
+ array_push.call(boundArgs, '$' + i);
+ }
+
+ // XXX Build a dynamic function with desired amount of arguments is the only
+ // way to set the length property of a function.
+ // In environments where Content Security Policies enabled (Chrome extensions,
+ // for ex.) all use of eval or Function costructor throws an exception.
+ // However in all of these environments Function.prototype.bind exists
+ // and so this code will never be executed.
+ bound = Function('binder', 'return function (' + boundArgs.join(',') + '){ return binder.apply(this, arguments); }')(binder);
+
+ if (target.prototype) {
+ Empty.prototype = target.prototype;
+ bound.prototype = new Empty();
+ // Clean up dangling references.
+ Empty.prototype = null;
+ }
+
+ // TODO
+ // 18. Set the [[Extensible]] internal property of F to true.
+
+ // TODO
+ // 19. Let thrower be the [[ThrowTypeError]] function Object (13.2.3).
+ // 20. Call the [[DefineOwnProperty]] internal method of F with
+ // arguments "caller", PropertyDescriptor {[[Get]]: thrower, [[Set]]:
+ // thrower, [[Enumerable]]: false, [[Configurable]]: false}, and
+ // false.
+ // 21. Call the [[DefineOwnProperty]] internal method of F with
+ // arguments "arguments", PropertyDescriptor {[[Get]]: thrower,
+ // [[Set]]: thrower, [[Enumerable]]: false, [[Configurable]]: false},
+ // and false.
+
+ // TODO
+ // NOTE Function objects created using Function.prototype.bind do not
+ // have a prototype property or the [[Code]], [[FormalParameters]], and
+ // [[Scope]] internal properties.
+ // XXX can't delete prototype in pure-js.
+
+ // 22. Return F.
+ return bound;
+});
+
+}
+
+if (!('getOwnPropertyDescriptor' in Object && typeof Object.getOwnPropertyDescriptor === 'function' && (function() {
+ try {
+ var object = {};
+ object.test = 0;
+ return Object.getOwnPropertyDescriptor(
+ object,
+ "test"
+ ).value === 0;
+ } catch (exception) {
+ return false
+ }
+}()))) {
+
+// Object.getOwnPropertyDescriptor
+/* global CreateMethodProperty */
+(function () {
+ var call = Function.prototype.call;
+ var prototypeOfObject = Object.prototype;
+ var owns = call.bind(prototypeOfObject.hasOwnProperty);
+
+ var lookupGetter;
+ var lookupSetter;
+ var supportsAccessors;
+ if ((supportsAccessors = owns(prototypeOfObject, "__defineGetter__"))) {
+ lookupGetter = call.bind(prototypeOfObject.__lookupGetter__);
+ lookupSetter = call.bind(prototypeOfObject.__lookupSetter__);
+ }
+ function doesGetOwnPropertyDescriptorWork(object) {
+ try {
+ object.sentinel = 0;
+ return Object.getOwnPropertyDescriptor(
+ object,
+ "sentinel"
+ ).value === 0;
+ } catch (exception) {
+ // returns falsy
+ }
+ }
+ // check whether getOwnPropertyDescriptor works if it's given. Otherwise,
+ // shim partially.
+ if (Object.defineProperty) {
+ var getOwnPropertyDescriptorWorksOnObject =
+ doesGetOwnPropertyDescriptorWork({});
+ var getOwnPropertyDescriptorWorksOnDom = typeof document == "undefined" ||
+ doesGetOwnPropertyDescriptorWork(document.createElement("div"));
+ if (!getOwnPropertyDescriptorWorksOnDom ||
+ !getOwnPropertyDescriptorWorksOnObject
+ ) {
+ var getOwnPropertyDescriptorFallback = Object.getOwnPropertyDescriptor;
+ }
+ }
+
+ if (!Object.getOwnPropertyDescriptor || getOwnPropertyDescriptorFallback) {
+ var ERR_NON_OBJECT = "Object.getOwnPropertyDescriptor called on a non-object: ";
+
+ CreateMethodProperty(Object, 'getOwnPropertyDescriptor', function getOwnPropertyDescriptor(object, property) {
+ if ((typeof object != "object" && typeof object != "function") || object === null) {
+ throw new TypeError(ERR_NON_OBJECT + object);
+ }
+
+ // make a valiant attempt to use the real getOwnPropertyDescriptor
+ // for I8's DOM elements.
+ if (getOwnPropertyDescriptorFallback) {
+ try {
+ return getOwnPropertyDescriptorFallback.call(Object, object, property);
+ } catch (exception) {
+ // try the shim if the real one doesn't work
+ }
+ }
+
+ // If object does not owns property return undefined immediately.
+ if (!owns(object, property)) {
+ return;
+ }
+
+ // If object has a property then it's for sure both `enumerable` and
+ // `configurable`.
+ var descriptor = { enumerable: true, configurable: true };
+
+ // If JS engine supports accessor properties then property may be a
+ // getter or setter.
+ if (supportsAccessors) {
+ // Unfortunately `__lookupGetter__` will return a getter even
+ // if object has own non getter property along with a same named
+ // inherited getter. To avoid misbehavior we temporary remove
+ // `__proto__` so that `__lookupGetter__` will return getter only
+ // if it's owned by an object.
+ var prototype = object.__proto__;
+ object.__proto__ = prototypeOfObject;
+
+ var getter = lookupGetter(object, property);
+ var setter = lookupSetter(object, property);
+
+ // Once we have getter and setter we can put values back.
+ object.__proto__ = prototype;
+
+ if (getter || setter) {
+ if (getter) {
+ descriptor.get = getter;
+ }
+ if (setter) {
+ descriptor.set = setter;
+ }
+ // If it was accessor property we're done and return here
+ // in order to avoid adding `value` to the descriptor.
+ return descriptor;
+ }
+ }
+
+ // If we got this far we know that object has an own property that is
+ // not an accessor so we set it as a value and return descriptor.
+ descriptor.value = object[property];
+ descriptor.writable = true;
+ return descriptor;
+ });
+ }
+}());
+
+}
+
+if (!('defineProperties' in Object)) {
+
+// Object.defineProperties
+/* global CreateMethodProperty, Get, ToObject, Type */
+// 19.1.2.3. Object.defineProperties ( O, Properties )
+CreateMethodProperty(Object, 'defineProperties', function defineProperties(O, Properties) {
+ // 1. If Type(O) is not Object, throw a TypeError exception.
+ if (Type(O) !== 'object') {
+ throw new TypeError('Object.defineProperties called on non-object');
+ }
+ // 2. Let props be ? ToObject(Properties).
+ var props = ToObject(Properties);
+ // 3. Let keys be ? props.[[OwnPropertyKeys]]().
+ /*
+ Polyfill.io - This step in our polyfill is not complying with the specification.
+ [[OwnPropertyKeys]] is meant to return ALL keys, including non-enumerable and symbols.
+ TODO: When we have Reflect.ownKeys, use that instead as it is the userland equivalent of [[OwnPropertyKeys]].
+ */
+ var keys = Object.keys(props);
+ // 4. Let descriptors be a new empty List.
+ var descriptors = [];
+ // 5. For each element nextKey of keys in List order, do
+ for (var i = 0; i < keys.length; i++) {
+ var nextKey = keys[i];
+ // a. Let propDesc be ? props.[[GetOwnProperty]](nextKey).
+ var propDesc = Object.getOwnPropertyDescriptor(props, nextKey);
+ // b. If propDesc is not undefined and propDesc.[[Enumerable]] is true, then
+ if (propDesc !== undefined && propDesc.enumerable) {
+ // i. Let descObj be ? Get(props, nextKey).
+ var descObj = Get(props, nextKey);
+ // ii. Let desc be ? ToPropertyDescriptor(descObj).
+ // Polyfill.io - We skip this step because Object.defineProperty deals with it.
+ // TODO: Implement this step?
+ var desc = descObj;
+ // iii. Append the pair (a two element List) consisting of nextKey and desc to the end of descriptors.
+ descriptors.push([nextKey, desc]);
+ }
+ }
+ // 6. For each pair from descriptors in list order, do
+ for (var i = 0; i < descriptors.length; i++){
+ // a. Let P be the first element of pair.
+ var P = descriptors[i][0];
+ // b. Let desc be the second element of pair.
+ var desc = descriptors[i][1];
+ // c. Perform ? DefinePropertyOrThrow(O, P, desc).
+ Object.defineProperty(O, P, desc);
+ }
+ // 7. Return O.
+ return O;
+});
+
+}
+
+if (!('create' in Object)) {
+
+// Object.create
+/* global CreateMethodProperty, Type */
+CreateMethodProperty(Object, 'create', function create(O, properties) {
+ // 1. If Type(O) is neither Object nor Null, throw a TypeError exception.
+ if (Type(O) !== 'object' && Type(O) !== 'null') {
+ throw new TypeError('Object prototype may only be an Object or null');
+ }
+ // 2. Let obj be ObjectCreate(O).
+ var obj = new Function('e', 'function Object() {}Object.prototype=e;return new Object')(O);
+
+ obj.constructor.prototype = O;
+
+ // 3. If Properties is not undefined, then
+ if (1 in arguments) {
+ // a. Return ? ObjectDefineProperties(obj, Properties).
+ return Object.defineProperties(obj, properties);
+ }
+
+ return obj;
+});
+
+}
+
+if (!('getPrototypeOf' in Object)) {
+
+// Object.getPrototypeOf
+/* global CreateMethodProperty */
+// Based on: https://github.com/es-shims/es5-shim/blob/master/es5-sham.js
+
+// https://github.com/es-shims/es5-shim/issues#issue/2
+// http://ejohn.org/blog/objectgetprototypeof/
+// recommended by fschaefer on github
+//
+// sure, and webreflection says ^_^
+// ... this will nerever possibly return null
+// ... Opera Mini breaks here with infinite loops
+CreateMethodProperty(Object, 'getPrototypeOf', function getPrototypeOf(object) {
+ if (object !== Object(object)) {
+ throw new TypeError('Object.getPrototypeOf called on non-object');
+ }
+ var proto = object.__proto__;
+ if (proto || proto === null) {
+ return proto;
+ } else if (typeof object.constructor == 'function' && object instanceof object.constructor) {
+ return object.constructor.prototype;
+ } else if (object instanceof Object) {
+ return Object.prototype;
+ } else {
+ // Correctly return null for Objects created with `Object.create(null)`
+ // (shammed or native) or `{ __proto__: null}`. Also returns null for
+ // cross-realm objects on browsers that lack `__proto__` support (like
+ // IE <11), but that's the best we can do.
+ return null;
+ }
+});
+
+}
+
+
+// _ESAbstract.OrdinaryCreateFromConstructor
+/* global GetPrototypeFromConstructor */
+// 9.1.13. OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] )
+function OrdinaryCreateFromConstructor(constructor, intrinsicDefaultProto) { // eslint-disable-line no-unused-vars
+ var internalSlotsList = arguments[2] || {};
+ // 1. Assert: intrinsicDefaultProto is a String value that is this specification's name of an intrinsic object.
+ // The corresponding object must be an intrinsic that is intended to be used as the[[Prototype]] value of an object.
+
+ // 2. Let proto be ? GetPrototypeFromConstructor(constructor, intrinsicDefaultProto).
+ var proto = GetPrototypeFromConstructor(constructor, intrinsicDefaultProto);
+
+ // 3. Return ObjectCreate(proto, internalSlotsList).
+ // Polyfill.io - We do not pass internalSlotsList to Object.create because Object.create does not use the default ordinary object definitions specified in 9.1.
+ var obj = Object.create(proto);
+ for (var name in internalSlotsList) {
+ if (Object.prototype.hasOwnProperty.call(internalSlotsList, name)) {
+ Object.defineProperty(obj, name, {
+ configurable: true,
+ enumerable: false,
+ writable: true,
+ value: internalSlotsList[name]
+ });
+ }
+ }
+ return obj;
+}
+
+// _ESAbstract.Construct
+/* global IsConstructor, OrdinaryCreateFromConstructor, Call */
+// 7.3.13. Construct ( F [ , argumentsList [ , newTarget ]] )
+function Construct(F /* [ , argumentsList [ , newTarget ]] */) { // eslint-disable-line no-unused-vars
+ // 1. If newTarget is not present, set newTarget to F.
+ var newTarget = arguments.length > 2 ? arguments[2] : F;
+
+ // 2. If argumentsList is not present, set argumentsList to a new empty List.
+ var argumentsList = arguments.length > 1 ? arguments[1] : [];
+
+ // 3. Assert: IsConstructor(F) is true.
+ if (!IsConstructor(F)) {
+ throw new TypeError('F must be a constructor.');
+ }
+
+ // 4. Assert: IsConstructor(newTarget) is true.
+ if (!IsConstructor(newTarget)) {
+ throw new TypeError('newTarget must be a constructor.');
+ }
+
+ // 5. Return ? F.[[Construct]](argumentsList, newTarget).
+ // Polyfill.io - If newTarget is the same as F, it is equivalent to new F(...argumentsList).
+ if (newTarget === F) {
+ return new (Function.prototype.bind.apply(F, [null].concat(argumentsList)))();
+ } else {
+ // Polyfill.io - This is mimicking section 9.2.2 step 5.a.
+ var obj = OrdinaryCreateFromConstructor(newTarget, Object.prototype);
+ return Call(F, obj, argumentsList);
+ }
+}
+
+// _ESAbstract.ArraySpeciesCreate
+/* global IsArray, ArrayCreate, Get, Type, IsConstructor, Construct */
+// 9.4.2.3. ArraySpeciesCreate ( originalArray, length )
+function ArraySpeciesCreate(originalArray, length) { // eslint-disable-line no-unused-vars
+ // 1. Assert: length is an integer Number ≥ 0.
+ // 2. If length is -0, set length to +0.
+ if (1/length === -Infinity) {
+ length = 0;
+ }
+
+ // 3. Let isArray be ? IsArray(originalArray).
+ var isArray = IsArray(originalArray);
+
+ // 4. If isArray is false, return ? ArrayCreate(length).
+ if (isArray === false) {
+ return ArrayCreate(length);
+ }
+
+ // 5. Let C be ? Get(originalArray, "constructor").
+ var C = Get(originalArray, 'constructor');
+
+ // Polyfill.io - We skip this section as not sure how to make a cross-realm normal Array, a same-realm Array.
+ // 6. If IsConstructor(C) is true, then
+ // if (IsConstructor(C)) {
+ // a. Let thisRealm be the current Realm Record.
+ // b. Let realmC be ? GetFunctionRealm(C).
+ // c. If thisRealm and realmC are not the same Realm Record, then
+ // i. If SameValue(C, realmC.[[Intrinsics]].[[%Array%]]) is true, set C to undefined.
+ // }
+ // 7. If Type(C) is Object, then
+ if (Type(C) === 'object') {
+ // a. Set C to ? Get(C, @@species).
+ C = 'Symbol' in this && 'species' in this.Symbol ? Get(C, this.Symbol.species) : undefined;
+ // b. If C is null, set C to undefined.
+ if (C === null) {
+ C = undefined;
+ }
+ }
+ // 8. If C is undefined, return ? ArrayCreate(length).
+ if (C === undefined) {
+ return ArrayCreate(length);
+ }
+ // 9. If IsConstructor(C) is false, throw a TypeError exception.
+ if (!IsConstructor(C)) {
+ throw new TypeError('C must be a constructor');
+ }
+ // 10. Return ? Construct(C, « length »).
+ return Construct(C, [length]);
+}
+
+// _ESAbstract.CreateDataProperty
+// 7.3.4. CreateDataProperty ( O, P, V )
+// NOTE
+// This abstract operation creates a property whose attributes are set to the same defaults used for properties created by the ECMAScript language assignment operator.
+// Normally, the property will not already exist. If it does exist and is not configurable or if O is not extensible, [[DefineOwnProperty]] will return false.
+function CreateDataProperty(O, P, V) { // eslint-disable-line no-unused-vars
+ // 1. Assert: Type(O) is Object.
+ // 2. Assert: IsPropertyKey(P) is true.
+ // 3. Let newDesc be the PropertyDescriptor{ [[Value]]: V, [[Writable]]: true, [[Enumerable]]: true, [[Configurable]]: true }.
+ var newDesc = {
+ value: V,
+ writable: true,
+ enumerable: true,
+ configurable: true
+ };
+ // 4. Return ? O.[[DefineOwnProperty]](P, newDesc).
+ try {
+ Object.defineProperty(O, P, newDesc);
+ return true;
+ } catch (e) {
+ return false;
+ }
+}
+
+// _ESAbstract.CreateDataPropertyOrThrow
+/* global CreateDataProperty */
+// 7.3.6. CreateDataPropertyOrThrow ( O, P, V )
+function CreateDataPropertyOrThrow(O, P, V) { // eslint-disable-line no-unused-vars
+ // 1. Assert: Type(O) is Object.
+ // 2. Assert: IsPropertyKey(P) is true.
+ // 3. Let success be ? CreateDataProperty(O, P, V).
+ var success = CreateDataProperty(O, P, V);
+ // 4. If success is false, throw a TypeError exception.
+ if (!success) {
+ throw new TypeError('Cannot assign value `' + Object.prototype.toString.call(V) + '` to property `' + Object.prototype.toString.call(P) + '` on object `' + Object.prototype.toString.call(O) + '`');
+ }
+ // 5. Return success.
+ return success;
+}
+if (!('filter' in Array.prototype)) {
+
+// Array.prototype.filter
+/* global CreateMethodProperty, ToObject, ToLength, Get, IsCallable, ArraySpeciesCreate, ToString, HasProperty, ToBoolean, Call, CreateDataPropertyOrThrow */
+// 22.1.3.7. Array.prototype.filter ( callbackfn [ , thisArg ] )
+CreateMethodProperty(Array.prototype, 'filter', function filter(callbackfn /* [ , thisArg ] */) {
+ // 1. Let O be ? ToObject(this value).
+ var O = ToObject(this);
+ // 2. Let len be ? ToLength(? Get(O, "length")).
+ var len = ToLength(Get(O, "length"));
+ // 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
+ if (IsCallable(callbackfn) === false) {
+ throw new TypeError(callbackfn + ' is not a function');
+ }
+ // 4. If thisArg is present, let T be thisArg; else let T be undefined.
+ var T = arguments.length > 1 ? arguments[1] : undefined;
+ // 5. Let A be ? ArraySpeciesCreate(O, 0).
+ var A = ArraySpeciesCreate(O, 0);
+ // 6. Let k be 0.
+ var k = 0;
+ // 7. Let to be 0.
+ var to = 0;
+ // 8. Repeat, while k < len
+ while (k < len) {
+ // a. Let Pk be ! ToString(k).
+ var Pk = ToString(k);
+ // b. Let kPresent be ? HasProperty(O, Pk).
+ var kPresent = HasProperty(O, Pk);
+ // c. If kPresent is true, then
+ if (kPresent) {
+ // i. Let kValue be ? Get(O, Pk).
+ var kValue = Get(O, Pk);
+ // ii. Let selected be ToBoolean(? Call(callbackfn, T, « kValue, k, O »)).
+ var selected = ToBoolean(Call(callbackfn, T, [kValue, k, O]));
+ // iii. If selected is true, then
+ if (selected) {
+ // 1. Perform ? CreateDataPropertyOrThrow(A, ! ToString(to), kValue)
+ CreateDataPropertyOrThrow(A, ToString(to), kValue);
+ // 2. Increase to by 1.
+ to = to + 1;
+ }
+
+ }
+ // d. Increase k by 1.
+ k = k + 1;
+ }
+ // 9. Return A.
+ return A;
+});
+
+}
+
+if (!('forEach' in Array.prototype)) {
+
+// Array.prototype.forEach
+/* global Call, CreateMethodProperty, Get, HasProperty, IsCallable, ToLength, ToObject, ToString */
+// 22.1.3.10. Array.prototype.forEach ( callbackfn [ , thisArg ] )
+CreateMethodProperty(Array.prototype, 'forEach', function forEach(callbackfn /* [ , thisArg ] */) {
+ // 1. Let O be ? ToObject(this value).
+ var O = ToObject(this);
+ // Polyfill.io - If O is a String object, split it into an array in order to iterate correctly.
+ // We will use arrayLike in place of O when we are iterating through the list.
+ var arraylike = O instanceof String ? O.split('') : O;
+ // 2. Let len be ? ToLength(? Get(O, "length")).
+ var len = ToLength(Get(O, "length"));
+ // 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
+ if (IsCallable(callbackfn) === false) {
+ throw new TypeError(callbackfn + ' is not a function');
+ }
+ // 4. If thisArg is present, let T be thisArg; else let T be undefined.
+ var T = arguments.length > 1 ? arguments[1] : undefined;
+ // 5. Let k be 0.
+ var k = 0;
+ // 6. Repeat, while k < len
+ while (k < len) {
+ // a. Let Pk be ! ToString(k).
+ var Pk = ToString(k);
+ // b. Let kPresent be ? HasProperty(O, Pk).
+ var kPresent = HasProperty(arraylike, Pk);
+ // c. If kPresent is true, then
+ if (kPresent) {
+ // i. Let kValue be ? Get(O, Pk).
+ var kValue = Get(arraylike, Pk);
+ // ii. Perform ? Call(callbackfn, T, « kValue, k, O »).
+ Call(callbackfn, T, [kValue, k, O]);
+ }
+ // d. Increase k by 1.
+ k = k + 1;
+ }
+ // 7. Return undefined.
+ return undefined;
+});
+
+}
+
+if (!('indexOf' in Array.prototype)) {
+
+// Array.prototype.indexOf
+/* global CreateMethodProperty, Get, HasProperty, ToInteger, ToLength, ToObject, ToString */
+// 22.1.3.12. Array.prototype.indexOf ( searchElement [ , fromIndex ] )
+CreateMethodProperty(Array.prototype, 'indexOf', function indexOf(searchElement /* [ , fromIndex ] */) {
+ // 1. Let O be ? ToObject(this value).
+ var O = ToObject(this);
+ // 2. Let len be ? ToLength(? Get(O, "length")).
+ var len = ToLength(Get(O, "length"));
+ // 3. If len is 0, return -1.
+ if (len === 0) {
+ return -1;
+ }
+ // 4. Let n be ? ToInteger(fromIndex). (If fromIndex is undefined, this step produces the value 0.)
+ var n = ToInteger(arguments[1]);
+ // 5. If n ≥ len, return -1.
+ if (n >= len) {
+ return -1;
+ }
+ // 6. If n ≥ 0, then
+ if (n >= 0) {
+ // a. If n is -0, let k be +0; else let k be n.
+ var k = n === -0 ? 0 : n;
+ // 7. Else n < 0,
+ } else {
+ // a. Let k be len + n.
+ var k = len + n;
+ // b. If k < 0, let k be 0.
+ if (k < 0) {
+ k = 0;
+ }
+ }
+ // 8. Repeat, while k < len
+ while (k < len) {
+ // a. Let kPresent be ? HasProperty(O, ! ToString(k)).
+ var kPresent = HasProperty(O, ToString(k));
+ // b. If kPresent is true, then
+ if (kPresent) {
+ // i. Let elementK be ? Get(O, ! ToString(k)).
+ var elementK = Get(O, ToString(k));
+ // ii. Let same be the result of performing Strict Equality Comparison searchElement === elementK.
+ var same = searchElement === elementK;
+ // iii. If same is true, return k.
+ if (same) {
+ return k;
+ }
+ }
+ // c. Increase k by 1.
+ k = k + 1;
+ }
+ // 9. Return -1.
+ return -1;
+});
+
+}
+
+if (!('lastIndexOf' in Array.prototype)) {
+
+// Array.prototype.lastIndexOf
+/* global CreateMethodProperty, Get, HasProperty, ToInteger, ToLength, ToObject, ToString */
+// 22.1.3.15. Array.prototype.lastIndexOf ( searchElement [ , fromIndex ] )
+CreateMethodProperty(Array.prototype, 'lastIndexOf', function lastIndexOf(searchElement /* [ , fromIndex ] */) {
+ // 1. Let O be ? ToObject(this value).
+ var O = ToObject(this);
+ // 2. Let len be ? ToLength(? Get(O, "length")).
+ var len = ToLength(Get(O, "length"));
+ // 3. If len is 0, return -1.
+ if (len === 0) {
+ return -1;
+ }
+ // 4. If fromIndex is present, let n be ? ToInteger(fromIndex); else let n be len-1.
+ var n = arguments.length > 1 ? ToInteger(arguments[1]) : len - 1;
+ // 5. If n ≥ 0, then
+ if (n >= 0) {
+ // a. If n is -0, let k be +0; else let k be min(n, len - 1).
+ var k = n === -0 ? 0 : Math.min(n, len - 1);
+ // 6. Else n < 0,
+ } else {
+ // a. Let k be len + n.
+ k = len + n;
+ }
+ // 7. Repeat, while k ≥ 0
+ while (k >= 0) {
+ // a. Let kPresent be ? HasProperty(O, ! ToString(k)).
+ var kPresent = HasProperty(O, ToString(k));
+ // b. If kPresent is true, then
+ if (kPresent) {
+ // i. Let elementK be ? Get(O, ! ToString(k)).
+ var elementK = Get(O, ToString(k));
+ // ii. Let same be the result of performing Strict Equality Comparison searchElement === elementK.
+ var same = searchElement === elementK;
+ // iii. If same is true, return k.
+ if (same) {
+ return k;
+ }
+ }
+ // c. Decrease k by 1.
+ k = k - 1;
+ }
+ // 9. Return -1.
+ return -1;
+});
+
+}
+
+if (!('map' in Array.prototype)) {
+
+// Array.prototype.map
+/* global ArraySpeciesCreate, Call, CreateDataPropertyOrThrow, CreateMethodProperty, Get, HasProperty, IsCallable, ToLength, ToObject, ToString */
+/* global CreateMethodProperty, ToObject, ToLength, Get, ArraySpeciesCreate, ToString, HasProperty, Call, CreateDataPropertyOrThrow */
+// 22.1.3.16. Array.prototype.map ( callbackfn [ , thisArg ] )
+CreateMethodProperty(Array.prototype, 'map', function map(callbackfn /* [ , thisArg ] */) {
+ // 1. Let O be ? ToObject(this value).
+ var O = ToObject(this);
+ // 2. Let len be ? ToLength(? Get(O, "length")).
+ var len = ToLength(Get(O, "length"));
+ // 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
+ if (IsCallable(callbackfn) === false) {
+ throw new TypeError(callbackfn + ' is not a function');
+ }
+ // 4. If thisArg is present, let T be thisArg; else let T be undefined.
+ var T = arguments.length > 1 ? arguments[1] : undefined;
+ // 5. Let A be ? ArraySpeciesCreate(O, len).
+ var A = ArraySpeciesCreate(O, len);
+ // 6. Let k be 0.
+ var k = 0;
+ // 7. Repeat, while k < len
+ while (k < len) {
+ // a. Let Pk be ! ToString(k).
+ var Pk = ToString(k);
+ // b. Let kPresent be ? HasProperty(O, Pk).
+ var kPresent = HasProperty(O, Pk);
+ // c. If kPresent is true, then
+ if (kPresent) {
+ // i. Let kValue be ? Get(O, Pk).
+ var kValue = Get(O, Pk);
+ // ii. Let mappedValue be ? Call(callbackfn, T, « kValue, k, O »).
+ var mappedValue = Call(callbackfn, T, [kValue, k, O]);
+ // iii. Perform ? CreateDataPropertyOrThrow(A, Pk, mappedValue).
+ CreateDataPropertyOrThrow(A, Pk, mappedValue);
+ }
+ // d. Increase k by 1.
+ k = k + 1;
+ }
+ // 8. Return A.
+ return A;
+});
+
+}
+
+if (!('reduce' in Array.prototype)) {
+
+// Array.prototype.reduce
+/* global Call, CreateMethodProperty, Get, HasProperty, IsCallable, ToLength, ToObject, ToString */
+// 22.1.3.19. Array.prototype.reduce ( callbackfn [ , initialValue ] )
+CreateMethodProperty(Array.prototype, 'reduce', function reduce(callbackfn /* [ , initialValue ] */) {
+ // 1. Let O be ? ToObject(this value).
+ var O = ToObject(this);
+ // Polyfill.io - If O is a String object, split it into an array in order to iterate correctly.
+ // We will use arrayLike in place of O when we are iterating through the list.
+ var arraylike = O instanceof String ? O.split('') : O;
+ // 2. Let len be ? ToLength(? Get(O, "length")).
+ var len = ToLength(Get(arraylike, "length"));
+ // 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
+ if (IsCallable(callbackfn) === false) {
+ throw new TypeError(callbackfn + ' is not a function');
+ }
+ // 4. If len is 0 and initialValue is not present, throw a TypeError exception.
+ var initialValue = arguments.length > 1 ? arguments[1] : undefined;
+ if (len === 0 && arguments.length < 2) {
+ throw new TypeError('Reduce of empty array with no initial value');
+ }
+ // 5. Let k be 0.
+ var k = 0;
+ // 6. Let accumulator be undefined.
+ var accumulator = undefined;
+ // 7. If initialValue is present, then
+ if (arguments.length > 1) {
+ // a. Set accumulator to initialValue.
+ accumulator = initialValue;
+ // 8. Else initialValue is not present,
+ } else {
+ // a. Let kPresent be false.
+ var kPresent = false;
+ // b. Repeat, while kPresent is false and k < len
+ while (kPresent === false && k < len) {
+ // i. Let Pk be ! ToString(k).
+ var Pk = ToString(k);
+ // ii. Let kPresent be ? HasProperty(O, Pk).
+ var kPresent = HasProperty(arraylike, Pk);
+ // iii. If kPresent is true, then
+ if (kPresent) {
+ // 1. Set accumulator to ? Get(O, Pk).
+ var accumulator = Get(arraylike, Pk);
+ }
+ // iv. Increase k by 1.
+ k = k + 1;
+ }
+ // c. If kPresent is false, throw a TypeError exception.
+ if (kPresent === false) {
+ throw new TypeError('Reduce of empty array with no initial value');
+ }
+ }
+ // 9. Repeat, while k < len
+ while (k < len) {
+ // a. Let Pk be ! ToString(k).
+ var Pk = ToString(k);
+ // b. Let kPresent be ? HasProperty(O, Pk).
+ var kPresent = HasProperty(arraylike, Pk);
+ // c. If kPresent is true, then
+ if (kPresent) {
+ // i. Let kValue be ? Get(O, Pk).
+ var kValue = Get(arraylike, Pk);
+ // ii. Set accumulator to ? Call(callbackfn, undefined, « accumulator, kValue, k, O »).
+ accumulator = Call(callbackfn, undefined, [accumulator, kValue, k, O]);
+ }
+ // d. Increase k by 1.
+ k = k + 1;
+ }
+ // 10. Return accumulator.
+ return accumulator;
+});
+
+}
+
+if (!('reduceRight' in Array.prototype)) {
+
+// Array.prototype.reduceRight
+/* global Call, CreateMethodProperty, Get, HasProperty, IsCallable, ToLength, ToObject, ToString */
+// 22.1.3.20. Array.prototype.reduceRight ( callbackfn [ , initialValue ] )
+CreateMethodProperty(Array.prototype, 'reduceRight', function reduceRight(callbackfn /* [ , initialValue ] */) {
+ // 1. Let O be ? ToObject(this value).
+ var O = ToObject(this);
+ // Polyfill.io - If O is a String object, split it into an array in order to iterate correctly.
+ // We will use arrayLike in place of O when we are iterating through the list.
+ var arraylike = O instanceof String ? O.split('') : O;
+ // 2. Let len be ? ToLength(? Get(O, "length")).
+ var len = ToLength(Get(arraylike, "length"));
+ // 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
+ if (IsCallable(callbackfn) === false) {
+ throw new TypeError(callbackfn + ' is not a function');
+ }
+ // 4. If len is 0 and initialValue is not present, throw a TypeError exception.
+ var initialValue = arguments.length > 1 ? arguments[1] : undefined;
+ if (len === 0 && arguments.length < 2) {
+ throw new TypeError('Reduce of empty array with no initial value');
+ }
+ // 5. Let k be len-1.
+ var k = len - 1;
+ // 6. Let accumulator be undefined.
+ var accumulator = undefined;
+ // 7. If initialValue is present, then
+ if (arguments.length > 1) {
+ // a. Set accumulator to initialValue.
+ accumulator = initialValue;
+ // 8.Else initialValue is not present,
+ } else {
+ // a. Let kPresent be false.
+ var kPresent = false;
+ // b. Repeat, while kPresent is false and k ≥ 0
+ while (kPresent === false && k >= 0) {
+ // i. Let Pk be ! ToString(k).
+ var Pk = ToString(k);
+ // ii. Let kPresent be ? HasProperty(O, Pk).
+ var kPresent = HasProperty(arraylike, Pk);
+ // iii. If kPresent is true, then
+ if (kPresent) {
+ // 1. Set accumulator to ? Get(O, Pk).
+ accumulator = Get(arraylike, Pk);
+ }
+ // iv. Decrease k by 1.
+ k = k - 1;
+ }
+ // c. If kPresent is false, throw a TypeError exception.
+ if (kPresent === false) {
+ throw new TypeError('Reduce of empty array with no initial value');
+ }
+ }
+ // 9. Repeat, while k ≥ 0
+ while (k >= 0) {
+ // a. Let Pk be ! ToString(k).
+ var Pk = ToString(k);
+ // b. Let kPresent be ? HasProperty(O, Pk).
+ var kPresent = HasProperty(arraylike, Pk);
+ // c. If kPresent is true, then
+ if (kPresent) {
+ // i. Let kValue be ? Get(O, Pk).
+ var kValue = Get(arraylike, Pk);
+ // ii. Set accumulator to ? Call(callbackfn, undefined, « accumulator, kValue, k, O »).
+ accumulator = Call(callbackfn, undefined, [accumulator, kValue, k, O]);
+ }
+ // d. Decrease k by 1.
+ k = k - 1;
+ }
+ // 10 Return accumulator.
+ return accumulator;
+});
+
+}
+
+if (!('some' in Array.prototype)) {
+
+// Array.prototype.some
+/* global Call, CreateMethodProperty, Get, HasProperty, IsCallable, ToBoolean, ToLength, ToObject, ToString */
+// 22.1.3.24. Array.prototype.some ( callbackfn [ , thisArg ] )
+CreateMethodProperty(Array.prototype, 'some', function some(callbackfn /* [ , thisArg ] */) {
+ // 1. Let O be ? ToObject(this value).
+ var O = ToObject(this);
+ // 2. Let len be ? ToLength(? Get(O, "length")).
+ var len = ToLength(Get(O, "length"));
+ // 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
+ if (IsCallable(callbackfn) === false) {
+ throw new TypeError(callbackfn + ' is not a function');
+ }
+ // 4. If thisArg is present, let T be thisArg; else let T be undefined.
+ var T = arguments.length > 1 ? arguments[1] : undefined;
+ // 5. Let k be 0.
+ var k = 0;
+ // 6. Repeat, while k < len
+ while (k < len) {
+ // a. Let Pk be ! ToString(k).
+ var Pk = ToString(k);
+ // b. Let kPresent be ? HasProperty(O, Pk).
+ var kPresent = HasProperty(O, Pk);
+ // c. If kPresent is true, then
+ if (kPresent) {
+ // i. Let kValue be ? Get(O, Pk).
+ var kValue = Get(O, Pk);
+ // ii. Let testResult be ToBoolean(? Call(callbackfn, T, « kValue, k, O »)).
+ var testResult = ToBoolean(Call(callbackfn, T, [kValue, k, O]));
+ // iii. If testResult is true, return true.
+ if (testResult) {
+ return true;
+ }
+ }
+ // d. Increase k by 1.
+ k = k + 1;
+ }
+ // 7. Return false.
+ return false;
+});
+
+}
+
+if (!('Date' in this && 'now' in this.Date && 'getTime' in this.Date.prototype)) {
+
+// Date.now
+Date.now = function now() {
+ return new Date().getTime();
+};
+
+}
+
+if (!('Date' in this && 'toISOString' in Date.prototype)) {
+
+// Date.prototype.toISOString
+Date.prototype.toISOString = function toISOString() {
+ var date = this;
+
+ function pad(str, len) {
+ var pad = "0000";
+ str = '' + str;
+ return pad.substr(0, len - str.length) + str;
+ }
+
+ var y = date.getUTCFullYear(),
+ m = pad(date.getUTCMonth() + 1, 2),
+ d = pad(date.getUTCDate(), 2),
+ h = pad(date.getUTCHours(), 2),
+ i = pad(date.getUTCMinutes(), 2),
+ s = pad(date.getUTCSeconds(), 2),
+ ms = pad(date.getUTCMilliseconds(), 3);
+
+ return y +'-'+ m +'-'+ d + 'T' + h +':'+ i +':'+ s +'.'+ ms +'Z';
+};
+
+}
+
+if (!('freeze' in Object)) {
+
+// Object.freeze
+/* global CreateMethodProperty */
+// 19.1.2.6. Object.freeze ( O )
+CreateMethodProperty(Object, 'freeze', function freeze(O) {
+ // This feature cannot be implemented fully as a polyfill.
+ // We choose to silently fail which allows "securable" code
+ // to "gracefully" degrade to working but insecure code.
+ return O;
+});
+
+}
+
+if (!('getOwnPropertyNames' in Object)) {
+
+// Object.getOwnPropertyNames
+/* global CreateMethodProperty */
+
+var toString = ({}).toString;
+var split = ''.split;
+
+CreateMethodProperty(Object, 'getOwnPropertyNames', function getOwnPropertyNames(object) {
+ var buffer = [];
+ var key;
+
+ // Non-enumerable properties cannot be discovered but can be checked for by name.
+ // Define those used internally by JS to allow an incomplete solution
+ var commonProps = ['length', "name", "arguments", "caller", "prototype", "observe", "unobserve"];
+
+ if (typeof object === 'undefined' || object === null) {
+ throw new TypeError('Cannot convert undefined or null to object');
+ }
+
+ // Polyfill.io fallback for non-array-like strings which exist in some ES3 user-agents (IE 8)
+ object = toString.call(object) == '[object String]' ? split.call(object, '') : Object(object);
+
+ // Enumerable properties only
+ for (key in object) {
+ if (Object.prototype.hasOwnProperty.call(object, key)) {
+ buffer.push(key);
+ }
+ }
+
+ // Check for and add the common non-enumerable properties
+ for (var i=0, s=commonProps.length; i<s; i++) {
+ if (commonProps[i] in object) buffer.push(commonProps[i]);
+ }
+
+ return buffer;
+});
+
+}
+
+
+// _ESAbstract.RequireObjectCoercible
+// 7.2.1. RequireObjectCoercible ( argument )
+// The abstract operation ToObject converts argument to a value of type Object according to Table 12:
+// Table 12: ToObject Conversions
+/*
+|----------------------------------------------------------------------------------------------------------------------------------------------------|
+| Argument Type | Result |
+|----------------------------------------------------------------------------------------------------------------------------------------------------|
+| Undefined | Throw a TypeError exception. |
+| Null | Throw a TypeError exception. |
+| Boolean | Return argument. |
+| Number | Return argument. |
+| String | Return argument. |
+| Symbol | Return argument. |
+| Object | Return argument. |
+|----------------------------------------------------------------------------------------------------------------------------------------------------|
+*/
+function RequireObjectCoercible(argument) { // eslint-disable-line no-unused-vars
+ if (argument === null || argument === undefined) {
+ throw TypeError();
+ }
+ return argument;
+}
+if (!('trim' in String.prototype)) {
+
+// String.prototype.trim
+/* global CreateMethodProperty, RequireObjectCoercible, ToString */
+// 21.1.3.27. String.prototype.trim ( )
+CreateMethodProperty(String.prototype, 'trim', function trim() {
+ // 1. Let O be ? RequireObjectCoercible(this value).
+ var O = RequireObjectCoercible(this);
+ // 2. Let S be ? ToString(O).
+ var S = ToString(O);
+ // 3. Let T be the String value that is a copy of S with both leading and trailing white space removed. The definition of white space is the union of WhiteSpace and LineTerminator. When determining whether a Unicode code point is in Unicode general category “Space_Separator” (“Zs”), code unit sequences are interpreted as UTF-16 encoded code point sequences as specified in 6.1.4.
+ var T = String.prototype.replace.call(S, /^[\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF]+|[\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF]+$/g, '');
+ // 4. Return T.
+ return T;
+});
+
+}
+
+})
+.call('object' === typeof window && window || 'object' === typeof self && self || 'object' === typeof global && global || {});
projects / rails.git / blobdiff