motion
Version:
motion - moving development forward
31 lines (28 loc) • 998 B
JavaScript
var apply = require('./internal/apply'),
assignInDefaults = require('./internal/assignInDefaults'),
assignInWith = require('./assignInWith'),
rest = require('./rest');
/**
* Assigns own and inherited enumerable properties of source objects to the
* destination object for all destination properties that resolve to `undefined`.
* Source objects are applied from left to right. Once a property is set,
* additional values of the same property are ignored.
*
* **Note:** This method mutates `object`.
*
* @static
* @memberOf _
* @category Object
* @param {Object} object The destination object.
* @param {...Object} [sources] The source objects.
* @returns {Object} Returns `object`.
* @example
*
* _.defaults({ 'user': 'barney' }, { 'age': 36 }, { 'user': 'fred' });
* // => { 'user': 'barney', 'age': 36 }
*/
var defaults = rest(function(args) {
args.push(undefined, assignInDefaults);
return apply(assignInWith, undefined, args);
});
module.exports = defaults;