blob: 6c43b0db2fc8b7cb95c7ae55c2fc53ee7c7a705b [file] [log] [blame]
'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;
};