shift73k/assets_old/node_modules/set-value/index.js

55 lines
1.2 KiB
JavaScript

/*!
* 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';
}