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