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11 lines
247 B
JavaScript
11 lines
247 B
JavaScript
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module.exports = function(obj, keys){
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obj = obj || {};
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if ('string' == typeof keys) keys = keys.split(/ +/);
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return keys.reduce(function(ret, key){
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if (null == obj[key]) return ret;
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ret[key] = obj[key];
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return ret;
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}, {});
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};
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