| 'use strict'; |
| |
| /* globals |
| Atomics, |
| SharedArrayBuffer, |
| */ |
| |
| var undefined; // eslint-disable-line no-shadow-restricted-names |
| |
| var $TypeError = TypeError; |
| |
| var ThrowTypeError = Object.getOwnPropertyDescriptor |
| ? (function () { return Object.getOwnPropertyDescriptor(arguments, 'callee').get; }()) |
| : function () { throw new $TypeError(); }; |
| |
| var hasSymbols = require('has-symbols')(); |
| |
| var getProto = Object.getPrototypeOf || function (x) { return x.__proto__; }; // eslint-disable-line no-proto |
| |
| var generator; // = function * () {}; |
| var generatorFunction = generator ? getProto(generator) : undefined; |
| var asyncFn; // async function() {}; |
| var asyncFunction = asyncFn ? asyncFn.constructor : undefined; |
| var asyncGen; // async function * () {}; |
| var asyncGenFunction = asyncGen ? getProto(asyncGen) : undefined; |
| var asyncGenIterator = asyncGen ? asyncGen() : undefined; |
| |
| var TypedArray = typeof Uint8Array === 'undefined' ? undefined : getProto(Uint8Array); |
| |
| var INTRINSICS = { |
| '$ %Array%': Array, |
| '$ %ArrayBuffer%': typeof ArrayBuffer === 'undefined' ? undefined : ArrayBuffer, |
| '$ %ArrayBufferPrototype%': typeof ArrayBuffer === 'undefined' ? undefined : ArrayBuffer.prototype, |
| '$ %ArrayIteratorPrototype%': hasSymbols ? getProto([][Symbol.iterator]()) : undefined, |
| '$ %ArrayPrototype%': Array.prototype, |
| '$ %ArrayProto_entries%': Array.prototype.entries, |
| '$ %ArrayProto_forEach%': Array.prototype.forEach, |
| '$ %ArrayProto_keys%': Array.prototype.keys, |
| '$ %ArrayProto_values%': Array.prototype.values, |
| '$ %AsyncFromSyncIteratorPrototype%': undefined, |
| '$ %AsyncFunction%': asyncFunction, |
| '$ %AsyncFunctionPrototype%': asyncFunction ? asyncFunction.prototype : undefined, |
| '$ %AsyncGenerator%': asyncGen ? getProto(asyncGenIterator) : undefined, |
| '$ %AsyncGeneratorFunction%': asyncGenFunction, |
| '$ %AsyncGeneratorPrototype%': asyncGenFunction ? asyncGenFunction.prototype : undefined, |
| '$ %AsyncIteratorPrototype%': asyncGenIterator && hasSymbols && Symbol.asyncIterator ? asyncGenIterator[Symbol.asyncIterator]() : undefined, |
| '$ %Atomics%': typeof Atomics === 'undefined' ? undefined : Atomics, |
| '$ %Boolean%': Boolean, |
| '$ %BooleanPrototype%': Boolean.prototype, |
| '$ %DataView%': typeof DataView === 'undefined' ? undefined : DataView, |
| '$ %DataViewPrototype%': typeof DataView === 'undefined' ? undefined : DataView.prototype, |
| '$ %Date%': Date, |
| '$ %DatePrototype%': Date.prototype, |
| '$ %decodeURI%': decodeURI, |
| '$ %decodeURIComponent%': decodeURIComponent, |
| '$ %encodeURI%': encodeURI, |
| '$ %encodeURIComponent%': encodeURIComponent, |
| '$ %Error%': Error, |
| '$ %ErrorPrototype%': Error.prototype, |
| '$ %eval%': eval, // eslint-disable-line no-eval |
| '$ %EvalError%': EvalError, |
| '$ %EvalErrorPrototype%': EvalError.prototype, |
| '$ %Float32Array%': typeof Float32Array === 'undefined' ? undefined : Float32Array, |
| '$ %Float32ArrayPrototype%': typeof Float32Array === 'undefined' ? undefined : Float32Array.prototype, |
| '$ %Float64Array%': typeof Float64Array === 'undefined' ? undefined : Float64Array, |
| '$ %Float64ArrayPrototype%': typeof Float64Array === 'undefined' ? undefined : Float64Array.prototype, |
| '$ %Function%': Function, |
| '$ %FunctionPrototype%': Function.prototype, |
| '$ %Generator%': generator ? getProto(generator()) : undefined, |
| '$ %GeneratorFunction%': generatorFunction, |
| '$ %GeneratorPrototype%': generatorFunction ? generatorFunction.prototype : undefined, |
| '$ %Int8Array%': typeof Int8Array === 'undefined' ? undefined : Int8Array, |
| '$ %Int8ArrayPrototype%': typeof Int8Array === 'undefined' ? undefined : Int8Array.prototype, |
| '$ %Int16Array%': typeof Int16Array === 'undefined' ? undefined : Int16Array, |
| '$ %Int16ArrayPrototype%': typeof Int16Array === 'undefined' ? undefined : Int8Array.prototype, |
| '$ %Int32Array%': typeof Int32Array === 'undefined' ? undefined : Int32Array, |
| '$ %Int32ArrayPrototype%': typeof Int32Array === 'undefined' ? undefined : Int32Array.prototype, |
| '$ %isFinite%': isFinite, |
| '$ %isNaN%': isNaN, |
| '$ %IteratorPrototype%': hasSymbols ? getProto(getProto([][Symbol.iterator]())) : undefined, |
| '$ %JSON%': JSON, |
| '$ %JSONParse%': JSON.parse, |
| '$ %Map%': typeof Map === 'undefined' ? undefined : Map, |
| '$ %MapIteratorPrototype%': typeof Map === 'undefined' || !hasSymbols ? undefined : getProto(new Map()[Symbol.iterator]()), |
| '$ %MapPrototype%': typeof Map === 'undefined' ? undefined : Map.prototype, |
| '$ %Math%': Math, |
| '$ %Number%': Number, |
| '$ %NumberPrototype%': Number.prototype, |
| '$ %Object%': Object, |
| '$ %ObjectPrototype%': Object.prototype, |
| '$ %ObjProto_toString%': Object.prototype.toString, |
| '$ %ObjProto_valueOf%': Object.prototype.valueOf, |
| '$ %parseFloat%': parseFloat, |
| '$ %parseInt%': parseInt, |
| '$ %Promise%': typeof Promise === 'undefined' ? undefined : Promise, |
| '$ %PromisePrototype%': typeof Promise === 'undefined' ? undefined : Promise.prototype, |
| '$ %PromiseProto_then%': typeof Promise === 'undefined' ? undefined : Promise.prototype.then, |
| '$ %Promise_all%': typeof Promise === 'undefined' ? undefined : Promise.all, |
| '$ %Promise_reject%': typeof Promise === 'undefined' ? undefined : Promise.reject, |
| '$ %Promise_resolve%': typeof Promise === 'undefined' ? undefined : Promise.resolve, |
| '$ %Proxy%': typeof Proxy === 'undefined' ? undefined : Proxy, |
| '$ %RangeError%': RangeError, |
| '$ %RangeErrorPrototype%': RangeError.prototype, |
| '$ %ReferenceError%': ReferenceError, |
| '$ %ReferenceErrorPrototype%': ReferenceError.prototype, |
| '$ %Reflect%': typeof Reflect === 'undefined' ? undefined : Reflect, |
| '$ %RegExp%': RegExp, |
| '$ %RegExpPrototype%': RegExp.prototype, |
| '$ %Set%': typeof Set === 'undefined' ? undefined : Set, |
| '$ %SetIteratorPrototype%': typeof Set === 'undefined' || !hasSymbols ? undefined : getProto(new Set()[Symbol.iterator]()), |
| '$ %SetPrototype%': typeof Set === 'undefined' ? undefined : Set.prototype, |
| '$ %SharedArrayBuffer%': typeof SharedArrayBuffer === 'undefined' ? undefined : SharedArrayBuffer, |
| '$ %SharedArrayBufferPrototype%': typeof SharedArrayBuffer === 'undefined' ? undefined : SharedArrayBuffer.prototype, |
| '$ %String%': String, |
| '$ %StringIteratorPrototype%': hasSymbols ? getProto(''[Symbol.iterator]()) : undefined, |
| '$ %StringPrototype%': String.prototype, |
| '$ %Symbol%': hasSymbols ? Symbol : undefined, |
| '$ %SymbolPrototype%': hasSymbols ? Symbol.prototype : undefined, |
| '$ %SyntaxError%': SyntaxError, |
| '$ %SyntaxErrorPrototype%': SyntaxError.prototype, |
| '$ %ThrowTypeError%': ThrowTypeError, |
| '$ %TypedArray%': TypedArray, |
| '$ %TypedArrayPrototype%': TypedArray ? TypedArray.prototype : undefined, |
| '$ %TypeError%': $TypeError, |
| '$ %TypeErrorPrototype%': $TypeError.prototype, |
| '$ %Uint8Array%': typeof Uint8Array === 'undefined' ? undefined : Uint8Array, |
| '$ %Uint8ArrayPrototype%': typeof Uint8Array === 'undefined' ? undefined : Uint8Array.prototype, |
| '$ %Uint8ClampedArray%': typeof Uint8ClampedArray === 'undefined' ? undefined : Uint8ClampedArray, |
| '$ %Uint8ClampedArrayPrototype%': typeof Uint8ClampedArray === 'undefined' ? undefined : Uint8ClampedArray.prototype, |
| '$ %Uint16Array%': typeof Uint16Array === 'undefined' ? undefined : Uint16Array, |
| '$ %Uint16ArrayPrototype%': typeof Uint16Array === 'undefined' ? undefined : Uint16Array.prototype, |
| '$ %Uint32Array%': typeof Uint32Array === 'undefined' ? undefined : Uint32Array, |
| '$ %Uint32ArrayPrototype%': typeof Uint32Array === 'undefined' ? undefined : Uint32Array.prototype, |
| '$ %URIError%': URIError, |
| '$ %URIErrorPrototype%': URIError.prototype, |
| '$ %WeakMap%': typeof WeakMap === 'undefined' ? undefined : WeakMap, |
| '$ %WeakMapPrototype%': typeof WeakMap === 'undefined' ? undefined : WeakMap.prototype, |
| '$ %WeakSet%': typeof WeakSet === 'undefined' ? undefined : WeakSet, |
| '$ %WeakSetPrototype%': typeof WeakSet === 'undefined' ? undefined : WeakSet.prototype |
| }; |
| |
| var bind = require('function-bind'); |
| var $replace = bind.call(Function.call, String.prototype.replace); |
| |
| /* adapted from https://github.com/lodash/lodash/blob/4.17.15/dist/lodash.js#L6735-L6744 */ |
| var rePropName = /[^%.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|%$))/g; |
| var reEscapeChar = /\\(\\)?/g; /** Used to match backslashes in property paths. */ |
| var stringToPath = function stringToPath(string) { |
| var result = []; |
| $replace(string, rePropName, function (match, number, quote, subString) { |
| result[result.length] = quote ? $replace(subString, reEscapeChar, '$1') : (number || match); |
| }); |
| return result; |
| }; |
| /* end adaptation */ |
| |
| var getBaseIntrinsic = function getBaseIntrinsic(name, allowMissing) { |
| var key = '$ ' + name; |
| if (!(key in INTRINSICS)) { |
| throw new SyntaxError('intrinsic ' + name + ' does not exist!'); |
| } |
| |
| // istanbul ignore if // hopefully this is impossible to test :-) |
| if (typeof INTRINSICS[key] === 'undefined' && !allowMissing) { |
| throw new $TypeError('intrinsic ' + name + ' exists, but is not available. Please file an issue!'); |
| } |
| |
| return INTRINSICS[key]; |
| }; |
| |
| module.exports = function GetIntrinsic(name, allowMissing) { |
| if (arguments.length > 1 && typeof allowMissing !== 'boolean') { |
| throw new TypeError('"allowMissing" argument must be a boolean'); |
| } |
| |
| var parts = stringToPath(name); |
| |
| if (parts.length === 0) { |
| return getBaseIntrinsic(name, allowMissing); |
| } |
| |
| var value = getBaseIntrinsic('%' + parts[0] + '%', allowMissing); |
| for (var i = 1; i < parts.length; i += 1) { |
| if (value != null) { |
| value = value[parts[i]]; |
| } |
| } |
| return value; |
| }; |