mirror of
https://github.com/musix-org/musix-oss
synced 2024-11-14 16:00:17 +00:00
219 lines
9.8 KiB
JavaScript
219 lines
9.8 KiB
JavaScript
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'use strict';
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/* globals
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Atomics,
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SharedArrayBuffer,
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*/
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var undefined;
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var $TypeError = TypeError;
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var $gOPD = Object.getOwnPropertyDescriptor;
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if ($gOPD) {
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try {
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$gOPD({}, '');
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} catch (e) {
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$gOPD = null; // this is IE 8, which has a broken gOPD
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}
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}
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var throwTypeError = function () { throw new $TypeError(); };
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var ThrowTypeError = $gOPD
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? (function () {
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try {
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// eslint-disable-next-line no-unused-expressions, no-caller, no-restricted-properties
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arguments.callee; // IE 8 does not throw here
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return throwTypeError;
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} catch (calleeThrows) {
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try {
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// IE 8 throws on Object.getOwnPropertyDescriptor(arguments, '')
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return $gOPD(arguments, 'callee').get;
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} catch (gOPDthrows) {
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return throwTypeError;
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}
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}
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}())
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: throwTypeError;
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var hasSymbols = require('has-symbols')();
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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%': typeof JSON === 'object' ? JSON : undefined,
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'%JSONParse%': typeof JSON === 'object' ? JSON.parse : undefined,
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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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var bind = require('function-bind');
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var $replace = bind.call(Function.call, String.prototype.replace);
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/* adapted from https://github.com/lodash/lodash/blob/4.17.15/dist/lodash.js#L6735-L6744 */
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var rePropName = /[^%.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|%$))/g;
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var reEscapeChar = /\\(\\)?/g; /** Used to match backslashes in property paths. */
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var stringToPath = function stringToPath(string) {
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var result = [];
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$replace(string, rePropName, function (match, number, quote, subString) {
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result[result.length] = quote ? $replace(subString, reEscapeChar, '$1') : (number || match);
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});
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return result;
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};
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/* end adaptation */
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var getBaseIntrinsic = function getBaseIntrinsic(name, allowMissing) {
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if (!(name 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[name] === 'undefined' && !allowMissing) {
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throw new $TypeError('intrinsic ' + name + ' exists, but is not available. Please file an issue!');
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}
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return INTRINSICS[name];
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};
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module.exports = function GetIntrinsic(name, allowMissing) {
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if (typeof name !== 'string' || name.length === 0) {
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throw new TypeError('intrinsic name must be a non-empty string');
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}
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if (arguments.length > 1 && typeof allowMissing !== 'boolean') {
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throw new TypeError('"allowMissing" argument must be a boolean');
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}
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var parts = stringToPath(name);
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var value = getBaseIntrinsic('%' + (parts.length > 0 ? parts[0] : '') + '%', allowMissing);
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for (var i = 1; i < parts.length; i += 1) {
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if (value != null) {
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if ($gOPD && (i + 1) >= parts.length) {
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var desc = $gOPD(value, parts[i]);
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if (!allowMissing && !(parts[i] in value)) {
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throw new $TypeError('base intrinsic for ' + name + ' exists, but the property is not available.');
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}
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value = desc ? (desc.get || desc.value) : value[parts[i]];
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} else {
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value = value[parts[i]];
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}
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}
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}
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return value;
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};
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