1 | import getTag from './_getTag.js';
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2 | import isObjectLike from './isObjectLike.js';
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3 |
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4 | /** `Object#toString` result references. */
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5 | var weakMapTag = '[object WeakMap]';
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6 |
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7 | /**
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8 | * Checks if `value` is classified as a `WeakMap` object.
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9 | *
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10 | * @static
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11 | * @memberOf _
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12 | * @since 4.3.0
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13 | * @category Lang
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14 | * @param {*} value The value to check.
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15 | * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.
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16 | * @example
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17 | *
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18 | * _.isWeakMap(new WeakMap);
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19 | * // => true
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20 | *
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21 | * _.isWeakMap(new Map);
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22 | * // => false
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23 | */
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24 | function isWeakMap(value) {
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25 | return isObjectLike(value) && getTag(value) == weakMapTag;
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26 | }
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27 |
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28 | export default isWeakMap;
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