20 lines
538 B
JavaScript
20 lines
538 B
JavaScript
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var isObject = require('min-dash').isObject;
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var forEach = require('min-dash').forEach;
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module.exports = function merge(target) {
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var sources = [].slice.call(arguments, 1);
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if (!sources.length) return target;
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var source = sources.shift();
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if (isObject(target) && isObject(source)) {
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forEach(source, function(val, key) {
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if (isObject(val) && isObject(target[key])) {
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merge(target[key], val);
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} else {
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target[key] = val;
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}
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});
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}
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return merge.apply(this, [target].concat(sources));
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};
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