// Loaded from https://deno.land/std@0.101.0/node/_util/_util_types.ts // Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. // // Adapted from Node.js. Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. const _toString = Object.prototype.toString; const _isObjectLike = (value: unknown): boolean => value !== null && typeof value === "object"; const _isFunctionLike = (value: unknown): boolean => value !== null && typeof value === "function"; export function isAnyArrayBuffer(value: unknown): boolean { return ( _isObjectLike(value) && (_toString.call(value) === "[object ArrayBuffer]" || _toString.call(value) === "[object SharedArrayBuffer]") ); } export function isArrayBufferView(value: unknown): boolean { return ArrayBuffer.isView(value); } export function isArgumentsObject(value: unknown): boolean { return _isObjectLike(value) && _toString.call(value) === "[object Arguments]"; } export function isArrayBuffer(value: unknown): boolean { return ( _isObjectLike(value) && _toString.call(value) === "[object ArrayBuffer]" ); } export function isAsyncFunction(value: unknown): boolean { return ( _isFunctionLike(value) && _toString.call(value) === "[object AsyncFunction]" ); } export function isBigInt64Array(value: unknown): boolean { return ( _isObjectLike(value) && _toString.call(value) === "[object BigInt64Array]" ); } export function isBigUint64Array(value: unknown): boolean { return ( _isObjectLike(value) && _toString.call(value) === "[object BigUint64Array]" ); } export function isBooleanObject(value: unknown): boolean { return _isObjectLike(value) && _toString.call(value) === "[object Boolean]"; } export function isBoxedPrimitive(value: unknown): boolean { return ( isBooleanObject(value) || isStringObject(value) || isNumberObject(value) || isSymbolObject(value) || isBigIntObject(value) ); } export function isDataView(value: unknown): boolean { return _isObjectLike(value) && _toString.call(value) === "[object DataView]"; } export function isDate(value: unknown): boolean { return _isObjectLike(value) && _toString.call(value) === "[object Date]"; } // isExternal: Not implemented export function isFloat32Array(value: unknown): boolean { return ( _isObjectLike(value) && _toString.call(value) === "[object Float32Array]" ); } export function isFloat64Array(value: unknown): boolean { return ( _isObjectLike(value) && _toString.call(value) === "[object Float64Array]" ); } export function isGeneratorFunction(value: unknown): boolean { return ( _isFunctionLike(value) && _toString.call(value) === "[object GeneratorFunction]" ); } export function isGeneratorObject(value: unknown): boolean { return _isObjectLike(value) && _toString.call(value) === "[object Generator]"; } export function isInt8Array(value: unknown): boolean { return _isObjectLike(value) && _toString.call(value) === "[object Int8Array]"; } export function isInt16Array(value: unknown): boolean { return ( _isObjectLike(value) && _toString.call(value) === "[object Int16Array]" ); } export function isInt32Array(value: unknown): boolean { return ( _isObjectLike(value) && _toString.call(value) === "[object Int32Array]" ); } export function isMap(value: unknown): boolean { return _isObjectLike(value) && _toString.call(value) === "[object Map]"; } export function isMapIterator(value: unknown): boolean { return ( _isObjectLike(value) && _toString.call(value) === "[object Map Iterator]" ); } export function isModuleNamespaceObject(value: unknown): boolean { return _isObjectLike(value) && _toString.call(value) === "[object Module]"; } export function isNativeError(value: unknown): boolean { return _isObjectLike(value) && _toString.call(value) === "[object Error]"; } export function isNumberObject(value: unknown): boolean { return _isObjectLike(value) && _toString.call(value) === "[object Number]"; } export function isBigIntObject(value: unknown): boolean { return _isObjectLike(value) && _toString.call(value) === "[object BigInt]"; } export function isPromise(value: unknown): boolean { return _isObjectLike(value) && _toString.call(value) === "[object Promise]"; } export function isRegExp(value: unknown): boolean { return _isObjectLike(value) && _toString.call(value) === "[object RegExp]"; } export function isSet(value: unknown): boolean { return _isObjectLike(value) && _toString.call(value) === "[object Set]"; } export function isSetIterator(value: unknown): boolean { return ( _isObjectLike(value) && _toString.call(value) === "[object Set Iterator]" ); } export function isSharedArrayBuffer(value: unknown): boolean { return ( _isObjectLike(value) && _toString.call(value) === "[object SharedArrayBuffer]" ); } export function isStringObject(value: unknown): boolean { return _isObjectLike(value) && _toString.call(value) === "[object String]"; } export function isSymbolObject(value: unknown): boolean { return _isObjectLike(value) && _toString.call(value) === "[object Symbol]"; } // Adapted from Lodash export function isTypedArray(value: unknown): boolean { /** Used to match `toStringTag` values of typed arrays. */ const reTypedTag = /^\[object (?:Float(?:32|64)|(?:Int|Uint)(?:8|16|32)|Uint8Clamped)Array\]$/; return _isObjectLike(value) && reTypedTag.test(_toString.call(value)); } export function isUint8Array(value: unknown): boolean { return ( _isObjectLike(value) && _toString.call(value) === "[object Uint8Array]" ); } export function isUint8ClampedArray(value: unknown): boolean { return ( _isObjectLike(value) && _toString.call(value) === "[object Uint8ClampedArray]" ); } export function isUint16Array(value: unknown): boolean { return ( _isObjectLike(value) && _toString.call(value) === "[object Uint16Array]" ); } export function isUint32Array(value: unknown): boolean { return ( _isObjectLike(value) && _toString.call(value) === "[object Uint32Array]" ); } export function isWeakMap(value: unknown): boolean { return _isObjectLike(value) && _toString.call(value) === "[object WeakMap]"; } export function isWeakSet(value: unknown): boolean { return _isObjectLike(value) && _toString.call(value) === "[object WeakSet]"; }