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