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| 'use strict';
|
| var isObject = require('is-extendable');
|
| module.exports = function extend(o/*, objects*/) {
| if (!isObject(o)) { o = {}; }
|
| var len = arguments.length;
| for (var i = 1; i < len; i++) {
| var obj = arguments[i];
|
| if (isObject(obj)) {
| assign(o, obj);
| }
| }
| return o;
| };
|
| function assign(a, b) {
| for (var key in b) {
| if (hasOwn(b, key)) {
| a[key] = b[key];
| }
| }
| }
|
| /**
| * Returns true if the given `key` is an own property of `obj`.
| */
|
| function hasOwn(obj, key) {
| return Object.prototype.hasOwnProperty.call(obj, key);
| }
|
|
