17 lines
445 B
JavaScript
17 lines
445 B
JavaScript
var isUndef = require('./isUndef');
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var each = require('./each');
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exports = function(keysFn, defaults) {
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return function(obj) {
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each(arguments, function(src, idx) {
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if (idx === 0) return;
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var keys = keysFn(src);
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each(keys, function(key) {
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if (!defaults || isUndef(obj[key])) obj[key] = src[key];
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});
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});
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return obj;
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};
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};
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module.exports = exports;
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