| /*! |
| * set-value <https://github.com/jonschlinkert/set-value> |
| * |
| * Copyright (c) 2014-2015, 2017, Jon Schlinkert. |
| * Released under the MIT License. |
| */ |
| |
| 'use strict'; |
| |
| var split = require('split-string'); |
| var extend = require('extend-shallow'); |
| var isPlainObject = require('is-plain-object'); |
| var isObject = require('is-extendable'); |
| |
| module.exports = function(obj, prop, val) { |
| if (!isObject(obj)) { |
| return obj; |
| } |
| |
| if (Array.isArray(prop)) { |
| prop = [].concat.apply([], prop).join('.'); |
| } |
| |
| if (typeof prop !== 'string') { |
| return obj; |
| } |
| |
| var keys = split(prop, {sep: '.', brackets: true}).filter(isValidKey); |
| var len = keys.length; |
| var idx = -1; |
| var current = obj; |
| |
| while (++idx < len) { |
| var key = keys[idx]; |
| if (idx !== len - 1) { |
| if (!isObject(current[key])) { |
| current[key] = {}; |
| } |
| current = current[key]; |
| continue; |
| } |
| |
| if (isPlainObject(current[key]) && isPlainObject(val)) { |
| current[key] = extend({}, current[key], val); |
| } else { |
| current[key] = val; |
| } |
| } |
| |
| return obj; |
| }; |
| |
| function isValidKey(key) { |
| return key !== '__proto__' && key !== 'constructor' && key !== 'prototype'; |
| } |