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Diffstat (limited to 'together/node_modules/get-intrinsic/index.js')
| -rw-r--r-- | together/node_modules/get-intrinsic/index.js | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/together/node_modules/get-intrinsic/index.js b/together/node_modules/get-intrinsic/index.js new file mode 100644 index 0000000..81ad8fc --- /dev/null +++ b/together/node_modules/get-intrinsic/index.js @@ -0,0 +1,334 @@ +'use strict'; + +var undefined; + +var $SyntaxError = SyntaxError; +var $Function = Function; +var $TypeError = TypeError; + +// eslint-disable-next-line consistent-return +var getEvalledConstructor = function (expressionSyntax) { + try { + return $Function('"use strict"; return (' + expressionSyntax + ').constructor;')(); + } catch (e) {} +}; + +var $gOPD = Object.getOwnPropertyDescriptor; +if ($gOPD) { + try { + $gOPD({}, ''); + } catch (e) { + $gOPD = null; // this is IE 8, which has a broken gOPD + } +} + +var throwTypeError = function () { + throw new $TypeError(); +}; +var ThrowTypeError = $gOPD + ? (function () { + try { + // eslint-disable-next-line no-unused-expressions, no-caller, no-restricted-properties + arguments.callee; // IE 8 does not throw here + return throwTypeError; + } catch (calleeThrows) { + try { + // IE 8 throws on Object.getOwnPropertyDescriptor(arguments, '') + return $gOPD(arguments, 'callee').get; + } catch (gOPDthrows) { + return throwTypeError; + } + } + }()) + : throwTypeError; + +var hasSymbols = require('has-symbols')(); + +var getProto = Object.getPrototypeOf || function (x) { return x.__proto__; }; // eslint-disable-line no-proto + +var needsEval = {}; + +var TypedArray = typeof Uint8Array === 'undefined' ? undefined : getProto(Uint8Array); + +var INTRINSICS = { + '%AggregateError%': typeof AggregateError === 'undefined' ? undefined : AggregateError, + '%Array%': Array, + '%ArrayBuffer%': typeof ArrayBuffer === 'undefined' ? undefined : ArrayBuffer, + '%ArrayIteratorPrototype%': hasSymbols ? getProto([][Symbol.iterator]()) : undefined, + '%AsyncFromSyncIteratorPrototype%': undefined, + '%AsyncFunction%': needsEval, + '%AsyncGenerator%': needsEval, + '%AsyncGeneratorFunction%': needsEval, + '%AsyncIteratorPrototype%': needsEval, + '%Atomics%': typeof Atomics === 'undefined' ? undefined : Atomics, + '%BigInt%': typeof BigInt === 'undefined' ? undefined : BigInt, + '%Boolean%': Boolean, + '%DataView%': typeof DataView === 'undefined' ? undefined : DataView, + '%Date%': Date, + '%decodeURI%': decodeURI, + '%decodeURIComponent%': decodeURIComponent, + '%encodeURI%': encodeURI, + '%encodeURIComponent%': encodeURIComponent, + '%Error%': Error, + '%eval%': eval, // eslint-disable-line no-eval + '%EvalError%': EvalError, + '%Float32Array%': typeof Float32Array === 'undefined' ? undefined : Float32Array, + '%Float64Array%': typeof Float64Array === 'undefined' ? undefined : Float64Array, + '%FinalizationRegistry%': typeof FinalizationRegistry === 'undefined' ? undefined : FinalizationRegistry, + '%Function%': $Function, + '%GeneratorFunction%': needsEval, + '%Int8Array%': typeof Int8Array === 'undefined' ? undefined : Int8Array, + '%Int16Array%': typeof Int16Array === 'undefined' ? undefined : Int16Array, + '%Int32Array%': typeof Int32Array === 'undefined' ? undefined : Int32Array, + '%isFinite%': isFinite, + '%isNaN%': isNaN, + '%IteratorPrototype%': hasSymbols ? getProto(getProto([][Symbol.iterator]())) : undefined, + '%JSON%': typeof JSON === 'object' ? JSON : undefined, + '%Map%': typeof Map === 'undefined' ? undefined : Map, + '%MapIteratorPrototype%': typeof Map === 'undefined' || !hasSymbols ? undefined : getProto(new Map()[Symbol.iterator]()), + '%Math%': Math, + '%Number%': Number, + '%Object%': Object, + '%parseFloat%': parseFloat, + '%parseInt%': parseInt, + '%Promise%': typeof Promise === 'undefined' ? undefined : Promise, + '%Proxy%': typeof Proxy === 'undefined' ? undefined : Proxy, + '%RangeError%': RangeError, + '%ReferenceError%': ReferenceError, + '%Reflect%': typeof Reflect === 'undefined' ? undefined : Reflect, + '%RegExp%': RegExp, + '%Set%': typeof Set === 'undefined' ? undefined : Set, + '%SetIteratorPrototype%': typeof Set === 'undefined' || !hasSymbols ? undefined : getProto(new Set()[Symbol.iterator]()), + '%SharedArrayBuffer%': typeof SharedArrayBuffer === 'undefined' ? undefined : SharedArrayBuffer, + '%String%': String, + '%StringIteratorPrototype%': hasSymbols ? getProto(''[Symbol.iterator]()) : undefined, + '%Symbol%': hasSymbols ? Symbol : undefined, + '%SyntaxError%': $SyntaxError, + '%ThrowTypeError%': ThrowTypeError, + '%TypedArray%': TypedArray, + '%TypeError%': $TypeError, + '%Uint8Array%': typeof Uint8Array === 'undefined' ? undefined : Uint8Array, + '%Uint8ClampedArray%': typeof Uint8ClampedArray === 'undefined' ? undefined : Uint8ClampedArray, + '%Uint16Array%': typeof Uint16Array === 'undefined' ? undefined : Uint16Array, + '%Uint32Array%': typeof Uint32Array === 'undefined' ? undefined : Uint32Array, + '%URIError%': URIError, + '%WeakMap%': typeof WeakMap === 'undefined' ? undefined : WeakMap, + '%WeakRef%': typeof WeakRef === 'undefined' ? undefined : WeakRef, + '%WeakSet%': typeof WeakSet === 'undefined' ? undefined : WeakSet +}; + +var doEval = function doEval(name) { + var value; + if (name === '%AsyncFunction%') { + value = getEvalledConstructor('async function () {}'); + } else if (name === '%GeneratorFunction%') { + value = getEvalledConstructor('function* () {}'); + } else if (name === '%AsyncGeneratorFunction%') { + value = getEvalledConstructor('async function* () {}'); + } else if (name === '%AsyncGenerator%') { + var fn = doEval('%AsyncGeneratorFunction%'); + if (fn) { + value = fn.prototype; + } + } else if (name === '%AsyncIteratorPrototype%') { + var gen = doEval('%AsyncGenerator%'); + if (gen) { + value = getProto(gen.prototype); + } + } + + INTRINSICS[name] = value; + + return value; +}; + +var LEGACY_ALIASES = { + '%ArrayBufferPrototype%': ['ArrayBuffer', 'prototype'], + '%ArrayPrototype%': ['Array', 'prototype'], + '%ArrayProto_entries%': ['Array', 'prototype', 'entries'], + '%ArrayProto_forEach%': ['Array', 'prototype', 'forEach'], + '%ArrayProto_keys%': ['Array', 'prototype', 'keys'], + '%ArrayProto_values%': ['Array', 'prototype', 'values'], + '%AsyncFunctionPrototype%': ['AsyncFunction', 'prototype'], + '%AsyncGenerator%': ['AsyncGeneratorFunction', 'prototype'], + '%AsyncGeneratorPrototype%': ['AsyncGeneratorFunction', 'prototype', 'prototype'], + '%BooleanPrototype%': ['Boolean', 'prototype'], + '%DataViewPrototype%': ['DataView', 'prototype'], + '%DatePrototype%': ['Date', 'prototype'], + '%ErrorPrototype%': ['Error', 'prototype'], + '%EvalErrorPrototype%': ['EvalError', 'prototype'], + '%Float32ArrayPrototype%': ['Float32Array', 'prototype'], + '%Float64ArrayPrototype%': ['Float64Array', 'prototype'], + '%FunctionPrototype%': ['Function', 'prototype'], + '%Generator%': ['GeneratorFunction', 'prototype'], + '%GeneratorPrototype%': ['GeneratorFunction', 'prototype', 'prototype'], + '%Int8ArrayPrototype%': ['Int8Array', 'prototype'], + '%Int16ArrayPrototype%': ['Int16Array', 'prototype'], + '%Int32ArrayPrototype%': ['Int32Array', 'prototype'], + '%JSONParse%': ['JSON', 'parse'], + '%JSONStringify%': ['JSON', 'stringify'], + '%MapPrototype%': ['Map', 'prototype'], + '%NumberPrototype%': ['Number', 'prototype'], + '%ObjectPrototype%': ['Object', 'prototype'], + '%ObjProto_toString%': ['Object', 'prototype', 'toString'], + '%ObjProto_valueOf%': ['Object', 'prototype', 'valueOf'], + '%PromisePrototype%': ['Promise', 'prototype'], + '%PromiseProto_then%': ['Promise', 'prototype', 'then'], + '%Promise_all%': ['Promise', 'all'], + '%Promise_reject%': ['Promise', 'reject'], + '%Promise_resolve%': ['Promise', 'resolve'], + '%RangeErrorPrototype%': ['RangeError', 'prototype'], + '%ReferenceErrorPrototype%': ['ReferenceError', 'prototype'], + '%RegExpPrototype%': ['RegExp', 'prototype'], + '%SetPrototype%': ['Set', 'prototype'], + '%SharedArrayBufferPrototype%': ['SharedArrayBuffer', 'prototype'], + '%StringPrototype%': ['String', 'prototype'], + '%SymbolPrototype%': ['Symbol', 'prototype'], + '%SyntaxErrorPrototype%': ['SyntaxError', 'prototype'], + '%TypedArrayPrototype%': ['TypedArray', 'prototype'], + '%TypeErrorPrototype%': ['TypeError', 'prototype'], + '%Uint8ArrayPrototype%': ['Uint8Array', 'prototype'], + '%Uint8ClampedArrayPrototype%': ['Uint8ClampedArray', 'prototype'], + '%Uint16ArrayPrototype%': ['Uint16Array', 'prototype'], + '%Uint32ArrayPrototype%': ['Uint32Array', 'prototype'], + '%URIErrorPrototype%': ['URIError', 'prototype'], + '%WeakMapPrototype%': ['WeakMap', 'prototype'], + '%WeakSetPrototype%': ['WeakSet', 'prototype'] +}; + +var bind = require('function-bind'); +var hasOwn = require('has'); +var $concat = bind.call(Function.call, Array.prototype.concat); +var $spliceApply = bind.call(Function.apply, Array.prototype.splice); +var $replace = bind.call(Function.call, String.prototype.replace); +var $strSlice = bind.call(Function.call, String.prototype.slice); +var $exec = bind.call(Function.call, RegExp.prototype.exec); + +/* 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 first = $strSlice(string, 0, 1); + var last = $strSlice(string, -1); + if (first === '%' && last !== '%') { + throw new $SyntaxError('invalid intrinsic syntax, expected closing `%`'); + } else if (last === '%' && first !== '%') { + throw new $SyntaxError('invalid intrinsic syntax, expected opening `%`'); + } + 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 intrinsicName = name; + var alias; + if (hasOwn(LEGACY_ALIASES, intrinsicName)) { + alias = LEGACY_ALIASES[intrinsicName]; + intrinsicName = '%' + alias[0] + '%'; + } + + if (hasOwn(INTRINSICS, intrinsicName)) { + var value = INTRINSICS[intrinsicName]; + if (value === needsEval) { + value = doEval(intrinsicName); + } + if (typeof value === 'undefined' && !allowMissing) { + throw new $TypeError('intrinsic ' + name + ' exists, but is not available. Please file an issue!'); + } + + return { + alias: alias, + name: intrinsicName, + value: value + }; + } + + throw new $SyntaxError('intrinsic ' + name + ' does not exist!'); +}; + +module.exports = function GetIntrinsic(name, allowMissing) { + if (typeof name !== 'string' || name.length === 0) { + throw new $TypeError('intrinsic name must be a non-empty string'); + } + if (arguments.length > 1 && typeof allowMissing !== 'boolean') { + throw new $TypeError('"allowMissing" argument must be a boolean'); + } + + if ($exec(/^%?[^%]*%?$/g, name) === null) { + throw new $SyntaxError('`%` may not be present anywhere but at the beginning and end of the intrinsic name'); + } + var parts = stringToPath(name); + var intrinsicBaseName = parts.length > 0 ? parts[0] : ''; + + var intrinsic = getBaseIntrinsic('%' + intrinsicBaseName + '%', allowMissing); + var intrinsicRealName = intrinsic.name; + var value = intrinsic.value; + var skipFurtherCaching = false; + + var alias = intrinsic.alias; + if (alias) { + intrinsicBaseName = alias[0]; + $spliceApply(parts, $concat([0, 1], alias)); + } + + for (var i = 1, isOwn = true; i < parts.length; i += 1) { + var part = parts[i]; + var first = $strSlice(part, 0, 1); + var last = $strSlice(part, -1); + if ( + ( + (first === '"' || first === "'" || first === '`') + || (last === '"' || last === "'" || last === '`') + ) + && first !== last + ) { + throw new $SyntaxError('property names with quotes must have matching quotes'); + } + if (part === 'constructor' || !isOwn) { + skipFurtherCaching = true; + } + + intrinsicBaseName += '.' + part; + intrinsicRealName = '%' + intrinsicBaseName + '%'; + + if (hasOwn(INTRINSICS, intrinsicRealName)) { + value = INTRINSICS[intrinsicRealName]; + } else if (value != null) { + if (!(part in value)) { + if (!allowMissing) { + throw new $TypeError('base intrinsic for ' + name + ' exists, but the property is not available.'); + } + return void undefined; + } + if ($gOPD && (i + 1) >= parts.length) { + var desc = $gOPD(value, part); + isOwn = !!desc; + + // By convention, when a data property is converted to an accessor + // property to emulate a data property that does not suffer from + // the override mistake, that accessor's getter is marked with + // an `originalValue` property. Here, when we detect this, we + // uphold the illusion by pretending to see that original data + // property, i.e., returning the value rather than the getter + // itself. + if (isOwn && 'get' in desc && !('originalValue' in desc.get)) { + value = desc.get; + } else { + value = value[part]; + } + } else { + isOwn = hasOwn(value, part); + value = value[part]; + } + + if (isOwn && !skipFurtherCaching) { + INTRINSICS[intrinsicRealName] = value; + } + } + } + return value; +}; |