Add support for adding PHP extensions

node_modules/lodash/isWeakMap.js

@@ -1,28 +0,0 @@
-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;