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