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x/lodash/npm-package/isWeakMap.js

A modern JavaScript utility library delivering modularity, performance, & extras.
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var getTag = require('./_getTag'), isObjectLike = require('./isObjectLike');
/** `Object#toString` result references. */var weakMapTag = '[object WeakMap]';
/** * Checks if `value` is classified as a `WeakMap` object. * * @static * @memberOf _ * @since 4.3.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a weak map, else `false`. * @example * * _.isWeakMap(new WeakMap); * // => true * * _.isWeakMap(new Map); * // => false */function isWeakMap(value) { return isObjectLike(value) && getTag(value) == weakMapTag;}
module.exports = isWeakMap;