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ie-polyfills.js
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/* Polyfill service v3.53.1
* For detailed credits and licence information see https://github.com/financial-times/polyfill-service.
*
* Features requested: Element.prototype.classList,Element.prototype.matches,es6
*
* - _DOMTokenList, License: ISC (required by "DOMTokenList", "Element.prototype.classList")
* - _ESAbstract.ArrayCreate, License: CC0 (required by "Array.from", "es6", "Array.of", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables", "Array.prototype.map")
* - _ESAbstract.Call, License: CC0 (required by "Array.from", "es6", "Array.prototype.find", "Array.prototype.findIndex", "WeakMap", "WeakSet", "_ESAbstract.GetIterator", "Map", "Set", "_ESAbstract.IteratorClose", "_ESAbstract.IteratorNext", "_ESAbstract.IteratorStep", "Array.prototype.forEach", "Object.setPrototypeOf", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables", "Array.prototype.filter", "Array.prototype.map", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.of", "Array.prototype.fill", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith", "_ESAbstract.OrdinaryToPrimitive")
* - _ESAbstract.CreateDataProperty, License: CC0 (required by "_ESAbstract.CreateDataPropertyOrThrow", "Array.from", "es6", "Array.of", "_ESAbstract.CreateIterResultObject", "Map", "Set")
* - _ESAbstract.CreateDataPropertyOrThrow, License: CC0 (required by "Array.from", "es6", "Array.of", "Array.prototype.filter", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables", "Array.prototype.map")
* - _ESAbstract.CreateMethodProperty, License: CC0 (required by "Array.from", "es6", "Array.of", "Array.prototype.@@iterator", "Array.prototype.copyWithin", "Array.prototype.entries", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "Array.prototype.keys", "Array.prototype.values", "Map", "Math.acosh", "Math.asinh", "Math.atanh", "Math.cbrt", "Math.clz32", "Math.cosh", "Math.expm1", "Math.fround", "Math.hypot", "Math.imul", "Math.log10", "Math.log1p", "Math.log2", "Math.sign", "Math.sinh", "Math.tanh", "Math.trunc", "Number.isFinite", "Number.isInteger", "Number.isNaN", "Number.isSafeInteger", "Number.parseFloat", "Number.parseInt", "Object.assign", "Object.is", "Object.setPrototypeOf", "Set", "String.fromCodePoint", "String.prototype.@@iterator", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith", "WeakMap", "WeakSet", "Array.isArray", "Object.create", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables", "_ESAbstract.GetIterator", "_ArrayIterator", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "Object.isExtensible", "String.prototype.trim", "Object.getOwnPropertyDescriptor", "Object.keys", "Array.prototype.forEach", "Object.getPrototypeOf", "Object.getOwnPropertyNames", "Array.prototype.filter", "Array.prototype.map", "Object.freeze", "Function.prototype.bind", "Object.defineProperties", "_Iterator", "_StringIterator", "Array.prototype.includes", "Array.prototype.indexOf")
* - _ESAbstract.Get, License: CC0 (required by "Array.from", "es6", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "Object.assign", "RegExp.prototype.flags", "WeakMap", "WeakSet", "_ESAbstract.IteratorValue", "Map", "Set", "_ESAbstract.IteratorComplete", "_ESAbstract.IteratorStep", "Array.prototype.forEach", "Object.setPrototypeOf", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables", "_ESAbstract.IsRegExp", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.startsWith", "Array.prototype.filter", "Array.prototype.map", "_ESAbstract.GetPrototypeFromConstructor", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "Array.of", "Object.defineProperties", "Object.create", "_ESAbstract.GetIterator", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_Iterator", "_StringIterator", "Array.prototype.includes", "Object.getOwnPropertyNames", "Array.prototype.indexOf", "_ESAbstract.ArraySpeciesCreate", "_ESAbstract.OrdinaryToPrimitive", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "String.prototype.codePointAt", "String.prototype.repeat")
* - _ESAbstract.HasOwnProperty, License: CC0 (required by "Object.getOwnPropertyDescriptor", "Object.assign", "es6", "Object.setPrototypeOf", "Symbol", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables")
* - _ESAbstract.HasProperty, License: CC0 (required by "Array.prototype.copyWithin", "es6", "Array.prototype.forEach", "Object.setPrototypeOf", "Symbol", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables", "Array.prototype.filter", "Array.prototype.map", "Array.prototype.indexOf", "Object.getOwnPropertyNames")
* - _ESAbstract.IsArray, License: CC0 (required by "String.fromCodePoint", "es6", "WeakMap", "WeakSet", "Array.isArray", "Map", "Array.from", "Set", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables", "Array.prototype.map")
* - _ESAbstract.IsCallable, License: CC0 (required by "Array.from", "es6", "Array.prototype.find", "Array.prototype.findIndex", "Map", "Set", "WeakMap", "WeakSet", "_ESAbstract.GetMethod", "Array.prototype.forEach", "Object.setPrototypeOf", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables", "Array.prototype.filter", "Array.prototype.map", "Function.prototype.bind", "_ESAbstract.Construct", "Array.of", "Object.getOwnPropertyDescriptor", "Object.assign", "_ESAbstract.OrdinaryToPrimitive", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.prototype.fill", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith")
* - _ESAbstract.RequireObjectCoercible, License: CC0 (required by "String.prototype.@@iterator", "es6", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith", "_ESAbstract.TrimString", "String.prototype.trim", "Number.parseFloat", "Number.parseInt")
* - _ESAbstract.SameValueNonNumber, License: CC0 (required by "_ESAbstract.SameValueZero", "Map", "es6", "Array.from", "Set", "WeakSet", "_ESAbstract.SameValue", "Object.is", "String.fromCodePoint", "WeakMap")
* - _ESAbstract.ToBoolean, License: CC0 (required by "Array.prototype.find", "es6", "Array.prototype.findIndex", "RegExp.prototype.flags", "_ESAbstract.IteratorComplete", "Map", "Array.from", "Set", "_ESAbstract.IteratorStep", "WeakMap", "WeakSet", "_ESAbstract.IsRegExp", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.startsWith", "Array.prototype.filter", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables")
* - _ESAbstract.ToInteger, License: CC0 (required by "Array.prototype.copyWithin", "es6", "Array.prototype.fill", "Number.isInteger", "Number.isSafeInteger", "String.fromCodePoint", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith", "_ESAbstract.ToLength", "Array.from", "Array.prototype.find", "Array.prototype.findIndex", "Array.prototype.includes", "Object.getOwnPropertyNames", "Object.setPrototypeOf", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables", "Array.prototype.indexOf")
* - _ESAbstract.ToLength, License: CC0 (required by "Array.from", "es6", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "Array.prototype.forEach", "Object.setPrototypeOf", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables", "Array.prototype.filter", "Array.prototype.map", "Array.prototype.includes", "Object.getOwnPropertyNames", "Array.prototype.indexOf")
* - _ESAbstract.ToNumber, License: CC0 (required by "String.fromCodePoint", "es6")
* - _ESAbstract.ToObject, License: CC0 (required by "Array.from", "es6", "Array.prototype.entries", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator", "Object.assign", "Object.getOwnPropertyDescriptor", "Object.setPrototypeOf", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables", "Array.prototype.forEach", "Object.getOwnPropertyNames", "Array.prototype.filter", "Array.prototype.map", "_ESAbstract.GetV", "_ESAbstract.GetMethod", "_ESAbstract.GetIterator", "WeakMap", "WeakSet", "Object.defineProperties", "Object.create", "_ArrayIterator", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "Array.of", "_Iterator", "_StringIterator", "Array.prototype.includes", "Array.prototype.indexOf")
* - _ESAbstract.GetV, License: CC0 (required by "_ESAbstract.GetMethod", "Array.from", "es6", "Map", "Set", "_ESAbstract.GetIterator", "WeakMap", "WeakSet")
* - _ESAbstract.GetMethod, License: CC0 (required by "Array.from", "es6", "Map", "Set", "_ESAbstract.IsConstructor", "Array.of", "_ESAbstract.GetIterator", "WeakMap", "WeakSet", "_ESAbstract.IteratorClose", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "String.prototype.@@iterator", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith")
* - _ESAbstract.ToUint32, License: CC0 (required by "Math.clz32", "es6", "Math.imul")
* - _ESAbstract.Type, License: CC0 (required by "Map", "es6", "Array.from", "Number.isFinite", "Number.isInteger", "Number.isNaN", "Number.isSafeInteger", "RegExp.prototype.flags", "WeakMap", "WeakSet", "_ESAbstract.IsConstructor", "Array.of", "_ESAbstract.GetIterator", "Set", "_ESAbstract.IteratorClose", "_ESAbstract.ToString", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "String.prototype.@@iterator", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith", "_ESAbstract.IteratorValue", "_ESAbstract.CreateIterResultObject", "_ESAbstract.IteratorComplete", "_ESAbstract.IteratorStep", "_ESAbstract.IteratorNext", "_ESAbstract.SameValueZero", "Object.create", "Object.setPrototypeOf", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "Object.isExtensible", "Object.getOwnPropertyDescriptor", "Object.assign", "_ESAbstract.SameValue", "Object.is", "String.fromCodePoint", "_ESAbstract.IsRegExp", "_ESAbstract.ToPrimitive", "_ESAbstract.GetPrototypeFromConstructor", "Object.defineProperties", "_Iterator", "_StringIterator", "_ESAbstract.ToPropertyKey", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Array.prototype.map", "_ESAbstract.OrdinaryToPrimitive")
* - _ESAbstract.CreateIterResultObject, License: CC0 (required by "Map", "es6", "Array.from", "Set")
* - _ESAbstract.GetPrototypeFromConstructor, License: CC0 (required by "_ESAbstract.OrdinaryCreateFromConstructor", "Map", "es6", "Array.from", "Set", "WeakMap", "WeakSet", "_ESAbstract.Construct", "Array.of")
* - _ESAbstract.OrdinaryCreateFromConstructor, License: CC0 (required by "Map", "es6", "Array.from", "Set", "WeakMap", "WeakSet", "_ESAbstract.Construct", "Array.of")
* - _ESAbstract.IsConstructor, License: CC0 (required by "Array.from", "es6", "Array.of", "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables", "Array.prototype.map")
* - _ESAbstract.Construct, License: CC0 (required by "Array.from", "es6", "Array.of", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables", "Array.prototype.map")
* - _ESAbstract.ArraySpeciesCreate, License: CC0 (required by "Array.prototype.filter", "Symbol", "es6", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables", "Array.prototype.map")
* - _ESAbstract.IsRegExp, License: CC0 (required by "String.prototype.endsWith", "es6", "String.prototype.includes", "String.prototype.startsWith")
* - _ESAbstract.IteratorClose, License: CC0 (required by "Array.from", "es6", "Map", "Set", "WeakMap", "WeakSet")
* - _ESAbstract.IteratorComplete, License: CC0 (required by "Map", "es6", "Array.from", "Set", "_ESAbstract.IteratorStep", "WeakMap", "WeakSet")
* - _ESAbstract.IteratorNext, License: CC0 (required by "Map", "es6", "Array.from", "Set", "_ESAbstract.IteratorStep", "WeakMap", "WeakSet")
* - _ESAbstract.IteratorStep, License: CC0 (required by "Array.from", "es6", "Map", "Set", "WeakMap", "WeakSet")
* - _ESAbstract.IteratorValue, License: CC0 (required by "Array.from", "es6", "Map", "Set", "WeakMap", "WeakSet")
* - _ESAbstract.OrdinaryToPrimitive, License: CC0 (required by "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.from", "es6", "Array.of", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "String.prototype.@@iterator", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith")
* - _ESAbstract.SameValue, License: CC0 (required by "Object.is", "es6", "String.fromCodePoint", "WeakMap")
* - _ESAbstract.SameValueZero, License: CC0 (required by "Map", "es6", "Array.from", "Set", "WeakSet", "Array.prototype.includes", "Object.getOwnPropertyNames", "Object.setPrototypeOf", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables")
* - _ESAbstract.ToPrimitive, License: CC0 (required by "_ESAbstract.ToString", "Array.from", "es6", "Array.of", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "String.prototype.@@iterator", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith", "_ESAbstract.ToPropertyKey", "Object.getOwnPropertyDescriptor", "Object.assign", "Object.setPrototypeOf", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables")
* - _ESAbstract.ToString, License: CC0 (required by "Array.from", "es6", "Array.of", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "String.prototype.@@iterator", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith", "Array.prototype.forEach", "Object.setPrototypeOf", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables", "Array.prototype.filter", "Array.prototype.map", "_ESAbstract.TrimString", "String.prototype.trim", "Number.parseFloat", "Number.parseInt", "_ESAbstract.ToPropertyKey", "Object.getOwnPropertyDescriptor", "Object.assign", "Array.prototype.includes", "Object.getOwnPropertyNames", "Array.prototype.indexOf")
* - _ESAbstract.ToPropertyKey, License: CC0 (required by "Object.getOwnPropertyDescriptor", "Object.assign", "es6", "Object.setPrototypeOf", "Symbol", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables")
* - _ESAbstract.TrimString, License: CC0 (required by "String.prototype.trim", "Number.parseFloat", "es6", "Number.parseInt")
* - _ESAbstract.UTF16Decode, License: CC0 (required by "String.prototype.codePointAt", "es6")
* - _ESAbstract.UTF16Encoding, License: CC0 (required by "String.fromCodePoint", "es6")
* - _TypedArray, License: MIT (required by "Math.fround", "es6")
* - Array.of, License: CC0 (required by "es6")
* - Array.prototype.copyWithin, License: MIT (required by "es6")
* - Array.prototype.fill, License: CC0 (required by "es6")
* - Array.prototype.find, License: CC0 (required by "es6")
* - Array.prototype.findIndex, License: CC0 (required by "es6")
* - Array.prototype.includes, License: MIT (required by "Object.getOwnPropertyNames", "Object.setPrototypeOf", "es6", "Symbol", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables")
* - DOMTokenList, License: CC0 (required by "Element.prototype.classList")
* - Element.prototype.classList, License: ISC
* - Element.prototype.matches, License: CC0
* - Function.prototype.name, License: MIT (required by "es6")
* - Math.acosh, License: CC0 (required by "es6")
* - Math.asinh, License: CC0 (required by "es6")
* - Math.atanh, License: CC0 (required by "es6")
* - Math.cbrt, License: CC0 (required by "es6")
* - Math.clz32, License: CC0 (required by "es6")
* - Math.cosh, License: CC0 (required by "es6")
* - Math.expm1, License: CC0 (required by "es6")
* - Math.fround, License: CC0 (required by "es6")
* - Math.hypot, License: CC0 (required by "es6")
* - Math.imul, License: CC0 (required by "es6")
* - Math.log10, License: CC0 (required by "es6")
* - Math.log1p, License: CC0 (required by "es6")
* - Math.log2, License: CC0 (required by "es6")
* - Math.sign, License: CC0 (required by "es6")
* - Math.sinh, License: CC0 (required by "es6")
* - Math.tanh, License: CC0 (required by "es6")
* - Math.trunc, License: CC0 (required by "es6")
* - Number.Epsilon, License: MIT (required by "es6")
* - Number.isFinite, License: MIT (required by "es6")
* - Number.isInteger, License: MIT (required by "es6")
* - Number.isNaN, License: MIT (required by "es6")
* - Number.isSafeInteger, License: MIT (required by "es6")
* - Number.MAX_SAFE_INTEGER, License: MIT (required by "es6")
* - Number.MIN_SAFE_INTEGER, License: MIT (required by "es6")
* - Object.getOwnPropertyDescriptor, License: CC0 (required by "Object.assign", "es6", "Object.setPrototypeOf", "Symbol", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables", "Object.defineProperties", "Object.create", "_ESAbstract.GetIterator", "WeakMap", "WeakSet", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "Array.of", "_Iterator", "_StringIterator")
* - Object.is, License: CC0 (required by "es6")
* - Object.isExtensible, License: CC0 (required by "Map", "es6", "Array.from")
* - Object.keys, License: MIT (required by "Object.assign", "es6", "Symbol", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables", "Object.getOwnPropertyNames", "Object.setPrototypeOf", "Object.defineProperties", "Object.create", "_ESAbstract.GetIterator", "WeakMap", "WeakSet", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "Array.of", "_Iterator", "_StringIterator")
* - Object.assign, License: CC0 (required by "es6", "_Iterator", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator", "_StringIterator", "String.prototype.@@iterator")
* - Object.getOwnPropertyNames, License: CC0 (required by "Object.setPrototypeOf", "es6", "Symbol", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables")
* - Object.setPrototypeOf, License: MIT (required by "es6", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator", "_StringIterator", "String.prototype.@@iterator")
* - RegExp.prototype.flags, License: MIT (required by "es6")
* - String.fromCodePoint, License: MIT (required by "es6")
* - String.prototype.codePointAt, License: MIT (required by "es6")
* - String.prototype.endsWith, License: CC0 (required by "es6")
* - String.prototype.includes, License: CC0 (required by "es6", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator")
* - String.prototype.repeat, License: CC0 (required by "es6")
* - String.prototype.startsWith, License: CC0 (required by "es6")
* - String.prototype.trim, License: CC0 (required by "Number.parseFloat", "es6", "Number.parseInt")
* - Number.parseFloat, License: MIT (required by "es6")
* - Number.parseInt, License: MIT (required by "es6")
* - Symbol, License: MIT (required by "es6", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Promise", "Symbol.unscopables", "WeakMap", "WeakSet", "_Iterator", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_StringIterator")
* - Symbol.hasInstance, License: MIT (required by "es6")
* - Symbol.isConcatSpreadable, License: MIT (required by "es6")
* - Symbol.iterator, License: MIT (required by "es6", "Array.from", "Array.prototype.@@iterator", "Map", "Set", "String.prototype.@@iterator", "_ESAbstract.GetIterator", "WeakMap", "WeakSet", "_Iterator", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_StringIterator")
* - _ESAbstract.GetIterator, License: CC0 (required by "Array.from", "es6", "Map", "Set", "WeakMap", "WeakSet")
* - Symbol.match, License: MIT (required by "es6")
* - Symbol.replace, License: MIT (required by "es6")
* - Symbol.search, License: MIT (required by "es6")
* - Symbol.species, License: MIT (required by "es6", "Map", "Array.from", "Set")
* - Map, License: CC0 (required by "es6", "Array.from")
* - Set, License: CC0 (required by "es6", "Array.from")
* - Array.from, License: CC0 (required by "es6")
* - Symbol.split, License: MIT (required by "es6")
* - Symbol.toPrimitive, License: MIT (required by "es6")
* - Symbol.toStringTag, License: MIT (required by "es6", "Promise", "_Iterator", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator", "_StringIterator", "String.prototype.@@iterator")
* - _Iterator, License: MIT (required by "_ArrayIterator", "Array.prototype.entries", "es6", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator", "_StringIterator", "String.prototype.@@iterator")
* - _ArrayIterator, License: MIT (required by "Array.prototype.entries", "es6", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator")
* - Array.prototype.entries, License: CC0 (required by "es6")
* - Array.prototype.keys, License: CC0 (required by "es6")
* - Array.prototype.values, License: MIT (required by "es6", "Array.prototype.@@iterator")
* - Array.prototype.@@iterator, License: CC0 (required by "es6")
* - _StringIterator, License: MIT (required by "String.prototype.@@iterator", "es6")
* - String.prototype.@@iterator, License: CC0 (required by "es6")
* - Promise, License: MIT (required by "es6")
* - Symbol.unscopables, License: MIT (required by "es6")
* - WeakMap, License: MIT (required by "es6")
* - WeakSet, License: MIT (required by "es6") */
if (typeof window !== "undefined") {
(function(self, undefined) {
// _DOMTokenList
/*
Copyright (c) 2016, John Gardner
Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
var _DOMTokenList = (function() { // eslint-disable-line no-unused-vars
var dpSupport = true;
var defineGetter = function (object, name, fn, configurable) {
if (Object.defineProperty)
Object.defineProperty(object, name, {
configurable: false === dpSupport ? true : !!configurable,
get: fn
});
else object.__defineGetter__(name, fn);
};
/** Ensure the browser allows Object.defineProperty to be used on native JavaScript objects. */
try {
defineGetter({}, "support");
}
catch (e) {
dpSupport = false;
}
var _DOMTokenList = function (el, prop) {
var that = this;
var tokens = [];
var tokenMap = {};
var length = 0;
var maxLength = 0;
var addIndexGetter = function (i) {
defineGetter(that, i, function () {
preop();
return tokens[i];
}, false);
};
var reindex = function () {
/** Define getter functions for array-like access to the tokenList's contents. */
if (length >= maxLength)
for (; maxLength < length; ++maxLength) {
addIndexGetter(maxLength);
}
};
/** Helper function called at the start of each class method. Internal use only. */
var preop = function () {
var error;
var i;
var args = arguments;
var rSpace = /\s+/;
/** Validate the token/s passed to an instance method, if any. */
if (args.length)
for (i = 0; i < args.length; ++i)
if (rSpace.test(args[i])) {
error = new SyntaxError('String "' + args[i] + '" ' + "contains" + ' an invalid character');
error.code = 5;
error.name = "InvalidCharacterError";
throw error;
}
/** Split the new value apart by whitespace*/
if (typeof el[prop] === "object") {
tokens = ("" + el[prop].baseVal).replace(/^\s+|\s+$/g, "").split(rSpace);
} else {
tokens = ("" + el[prop]).replace(/^\s+|\s+$/g, "").split(rSpace);
}
/** Avoid treating blank strings as single-item token lists */
if ("" === tokens[0]) tokens = [];
/** Repopulate the internal token lists */
tokenMap = {};
for (i = 0; i < tokens.length; ++i)
tokenMap[tokens[i]] = true;
length = tokens.length;
reindex();
};
/** Populate our internal token list if the targeted attribute of the subject element isn't empty. */
preop();
/** Return the number of tokens in the underlying string. Read-only. */
defineGetter(that, "length", function () {
preop();
return length;
});
/** Override the default toString/toLocaleString methods to return a space-delimited list of tokens when typecast. */
that.toLocaleString =
that.toString = function () {
preop();
return tokens.join(" ");
};
that.item = function (idx) {
preop();
return tokens[idx];
};
that.contains = function (token) {
preop();
return !!tokenMap[token];
};
that.add = function () {
preop.apply(that, args = arguments);
for (var args, token, i = 0, l = args.length; i < l; ++i) {
token = args[i];
if (!tokenMap[token]) {
tokens.push(token);
tokenMap[token] = true;
}
}
/** Update the targeted attribute of the attached element if the token list's changed. */
if (length !== tokens.length) {
length = tokens.length >>> 0;
if (typeof el[prop] === "object") {
el[prop].baseVal = tokens.join(" ");
} else {
el[prop] = tokens.join(" ");
}
reindex();
}
};
that.remove = function () {
preop.apply(that, args = arguments);
/** Build a hash of token names to compare against when recollecting our token list. */
for (var args, ignore = {}, i = 0, t = []; i < args.length; ++i) {
ignore[args[i]] = true;
delete tokenMap[args[i]];
}
/** Run through our tokens list and reassign only those that aren't defined in the hash declared above. */
for (i = 0; i < tokens.length; ++i)
if (!ignore[tokens[i]]) t.push(tokens[i]);
tokens = t;
length = t.length >>> 0;
/** Update the targeted attribute of the attached element. */
if (typeof el[prop] === "object") {
el[prop].baseVal = tokens.join(" ");
} else {
el[prop] = tokens.join(" ");
}
reindex();
};
that.toggle = function (token, force) {
preop.apply(that, [token]);
/** Token state's being forced. */
if (undefined !== force) {
if (force) {
that.add(token);
return true;
} else {
that.remove(token);
return false;
}
}
/** Token already exists in tokenList. Remove it, and return FALSE. */
if (tokenMap[token]) {
that.remove(token);
return false;
}
/** Otherwise, add the token and return TRUE. */
that.add(token);
return true;
};
return that;
};
return _DOMTokenList;
}());
// _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.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.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;
}
// _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.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.HasOwnProperty
// 7.3.11 HasOwnProperty (O, P)
function HasOwnProperty(o, p) { // eslint-disable-line no-unused-vars
// 1. Assert: Type(O) is Object.
// 2. Assert: IsPropertyKey(P) is true.
// 3. Let desc be ? O.[[GetOwnProperty]](P).
// 4. If desc is undefined, return false.
// 5. Return true.
// Polyfill.io - As we expect user agents to support ES3 fully we can skip the above steps and use Object.prototype.hasOwnProperty to do them for us.
return Object.prototype.hasOwnProperty.call(o, p);
}
// _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.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]';
}
// _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.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;
}
// _ESAbstract.SameValueNonNumber
// 7.2.12. SameValueNonNumber ( x, y )
function SameValueNonNumber(x, y) { // eslint-disable-line no-unused-vars
// 1. Assert: Type(x) is not Number.
// 2. Assert: Type(x) is the same as Type(y).
// 3. If Type(x) is Undefined, return true.
// 4. If Type(x) is Null, return true.
// 5. If Type(x) is String, then
// a. If x and y are exactly the same sequence of code units (same length and same code units at corresponding indices), return true; otherwise, return false.
// 6. If Type(x) is Boolean, then
// a. If x and y are both true or both false, return true; otherwise, return false.
// 7. If Type(x) is Symbol, then
// a. If x and y are both the same Symbol value, return true; otherwise, return false.
// 8. If x and y are the same Object value, return true. Otherwise, return false.
// Polyfill.io - We can skip all above steps because the === operator does it all for us.
return x === y;
}
// _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);
}
// _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.ToNumber
// 7.1.3. ToNumber ( argument )
function ToNumber(argument) { // eslint-disable-line no-unused-vars
return Number(argument);
}
// _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.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.ToUint32
// 7.1.6. ToUint32 ( argument )
function ToUint32(argument) { // eslint-disable-line no-unused-vars
// 1. Let number be ? ToNumber(argument).
var number = Number(argument);
// 2. If number is NaN, +0, -0, +∞, or -∞, return +0.
if (isNaN(number) || 1/number === Infinity || 1/number === -Infinity || number === Infinity || number === -Infinity) {
return 0;
}
// 3. Let int be the mathematical value that is the same sign as number and whose magnitude is floor(abs(number)).
var int = ((number < 0) ? -1 : 1) * Math.floor(Math.abs(number));
// 4. Let int32bit be int modulo 2^32.
var int32bit = int >>> 0;
// 5. Return int32bit.
return int32bit;
}
// _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 self && (x instanceof self.Symbol || x.constructor === self.Symbol)) return 'symbol';
return 'object';
}
}
// _ESAbstract.CreateIterResultObject
/* global Type, CreateDataProperty */
// 7.4.7. CreateIterResultObject ( value, done )
function CreateIterResultObject(value, done) { // eslint-disable-line no-unused-vars
// 1. Assert: Type(done) is Boolean.
if (Type(done) !== 'boolean') {
throw new Error();
}
// 2. Let obj be ObjectCreate(%ObjectPrototype%).
var obj = {};
// 3. Perform CreateDataProperty(obj, "value", value).
CreateDataProperty(obj, "value", value);
// 4. Perform CreateDataProperty(obj, "done", done).
CreateDataProperty(obj, "done", done);
// 5. Return obj.
return obj;
}
// _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;
}
// _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.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.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 (length === 0 && 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 self && 'species' in self.Symbol ? Get(C, self.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.IsRegExp
/* global Type, Get, ToBoolean */
// 7.2.8. IsRegExp ( argument )
function IsRegExp(argument) { // eslint-disable-line no-unused-vars
// 1. If Type(argument) is not Object, return false.
if (Type(argument) !== 'object') {
return false;
}
// 2. Let matcher be ? Get(argument, @@match).
var matcher = 'Symbol' in self && 'match' in self.Symbol ? Get(argument, self.Symbol.match) : undefined;
// 3. If matcher is not undefined, return ToBoolean(matcher).
if (matcher !== undefined) {
return ToBoolean(matcher);
}
// 4. If argument has a [[RegExpMatcher]] internal slot, return true.
try {
var lastIndex = argument.lastIndex;
argument.lastIndex = 0;
RegExp.prototype.exec.call(argument);
return true;
// eslint-disable-next-line no-empty
} catch (e) {} finally {
argument.lastIndex = lastIndex;
}
// 5. Return false.
return false;
}
// _ESAbstract.IteratorClose
/* global GetMethod, Type, Call */
// 7.4.6. IteratorClose ( iteratorRecord, completion )
function IteratorClose(iteratorRecord, completion) { // eslint-disable-line no-unused-vars
// 1. Assert: Type(iteratorRecord.[[Iterator]]) is Object.
if (Type(iteratorRecord['[[Iterator]]']) !== 'object') {
throw new Error(Object.prototype.toString.call(iteratorRecord['[[Iterator]]']) + 'is not an Object.');
}
// 2. Assert: completion is a Completion Record.
// Polyfill.io - Ignoring this step as there is no way to check if something is a Completion Record in userland JavaScript.
// 3. Let iterator be iteratorRecord.[[Iterator]].
var iterator = iteratorRecord['[[Iterator]]'];
// 4. Let return be ? GetMethod(iterator, "return").
// Polyfill.io - We name it returnMethod because return is a keyword and can not be used as an identifier (E.G. variable name, function name etc).
var returnMethod = GetMethod(iterator, "return");
// 5. If return is undefined, return Completion(completion).
if (returnMethod === undefined) {
return completion;
}
// 6. Let innerResult be Call(return, iterator, « »).
try {
var innerResult = Call(returnMethod, iterator);
} catch (error) {
var innerException = error;
}
// 7. If completion.[[Type]] is throw, return Completion(completion).
if (completion) {
return completion;
}
// 8. If innerResult.[[Type]] is throw, return Completion(innerResult).
if (innerException) {
throw innerException;
}
// 9. If Type(innerResult.[[Value]]) is not Object, throw a TypeError exception.
if (Type(innerResult) !== 'object') {
throw new TypeError("Iterator's return method returned a non-object.");
}
// 10. Return Completion(completion).
return completion;
}
// _ESAbstract.IteratorComplete
/* global Type, ToBoolean, Get */
// 7.4.3 IteratorComplete ( iterResult )
function IteratorComplete(iterResult) { // eslint-disable-line no-unused-vars
// 1. Assert: Type(iterResult) is Object.
if (Type(iterResult) !== 'object') {
throw new Error(Object.prototype.toString.call(iterResult) + 'is not an Object.');
}
// 2. Return ToBoolean(? Get(iterResult, "done")).
return ToBoolean(Get(iterResult, "done"));
}
// _ESAbstract.IteratorNext
/* global Call, Type */
// 7.4.2. IteratorNext ( iteratorRecord [ , value ] )
function IteratorNext(iteratorRecord /* [, value] */) { // eslint-disable-line no-unused-vars
// 1. If value is not present, then
if (arguments.length < 2) {
// a. Let result be ? Call(iteratorRecord.[[NextMethod]], iteratorRecord.[[Iterator]], « »).
var result = Call(iteratorRecord['[[NextMethod]]'], iteratorRecord['[[Iterator]]']);
// 2. Else,
} else {
// a. Let result be ? Call(iteratorRecord.[[NextMethod]], iteratorRecord.[[Iterator]], « value »).
result = Call(iteratorRecord['[[NextMethod]]'], iteratorRecord['[[Iterator]]'], [arguments[1]]);
}
// 3. If Type(result) is not Object, throw a TypeError exception.
if (Type(result) !== 'object') {
throw new TypeError('bad iterator');
}
// 4. Return result.
return result;
}
// _ESAbstract.IteratorStep
/* global IteratorNext, IteratorComplete */
// 7.4.5. IteratorStep ( iteratorRecord )
function IteratorStep(iteratorRecord) { // eslint-disable-line no-unused-vars
// 1. Let result be ? IteratorNext(iteratorRecord).
var result = IteratorNext(iteratorRecord);
// 2. Let done be ? IteratorComplete(result).
var done = IteratorComplete(result);
// 3. If done is true, return false.
if (done === true) {
return false;
}
// 4. Return result.
return result;
}
// _ESAbstract.IteratorValue
/* global Type, Get */
// 7.4.4 IteratorValue ( iterResult )
function IteratorValue(iterResult) { // eslint-disable-line no-unused-vars
// Assert: Type(iterResult) is Object.
if (Type(iterResult) !== 'object') {
throw new Error(Object.prototype.toString.call(iterResult) + 'is not an Object.');
}
// Return ? Get(iterResult, "value").
return Get(iterResult, "value");
}
// _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.SameValue
/* global Type, SameValueNonNumber */
// 7.2.10. SameValue ( x, y )
function SameValue(x, y) { // eslint-disable-line no-unused-vars