20 lines
345 B
JavaScript
20 lines
345 B
JavaScript
import hasOwnProp from './has-own-prop';
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export default function extend(a, b) {
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for (var i in b) {
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if (hasOwnProp(b, i)) {
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a[i] = b[i];
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}
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}
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if (hasOwnProp(b, 'toString')) {
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a.toString = b.toString;
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}
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if (hasOwnProp(b, 'valueOf')) {
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a.valueOf = b.valueOf;
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}
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return a;
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}
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