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[yaffs-website] / node_modules / grunt-uncss / node_modules / lodash / updateWith.js

diff --git a/node_modules/grunt-uncss/node_modules/lodash/updateWith.js b/node_modules/grunt-uncss/node_modules/lodash/updateWith.js
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+var baseUpdate = require('./_baseUpdate'),
+    castFunction = require('./_castFunction');
+
+/**
+ * This method is like `_.update` except that it accepts `customizer` which is
+ * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
+ * path creation is handled by the method instead. The `customizer` is invoked
+ * with three arguments: (nsValue, key, nsObject).
+ *
+ * **Note:** This method mutates `object`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.6.0
+ * @category Object
+ * @param {Object} object The object to modify.
+ * @param {Array|string} path The path of the property to set.
+ * @param {Function} updater The function to produce the updated value.
+ * @param {Function} [customizer] The function to customize assigned values.
+ * @returns {Object} Returns `object`.
+ * @example
+ *
+ * var object = {};
+ *
+ * _.updateWith(object, '[0][1]', _.constant('a'), Object);
+ * // => { '0': { '1': 'a' } }
+ */
+function updateWith(object, path, updater, customizer) {
+  customizer = typeof customizer == 'function' ? customizer : undefined;
+  return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);
+}
+
+module.exports = updateWith;