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Diffstat (limited to 'node_modules/lodash/isWeakMap.js')
-rw-r--r-- | node_modules/lodash/isWeakMap.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/node_modules/lodash/isWeakMap.js b/node_modules/lodash/isWeakMap.js new file mode 100644 index 0000000..8d36f66 --- /dev/null +++ b/node_modules/lodash/isWeakMap.js @@ -0,0 +1,28 @@ +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; |