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13 lines
386 B
13 lines
386 B
import cb from './_cb.js';
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import keys from './keys.js';
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// Returns the first key on an object that passes a truth test.
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export default function findKey(obj, predicate, context) {
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predicate = cb(predicate, context);
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var _keys = keys(obj), key;
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for (var i = 0, length = _keys.length; i < length; i++) {
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key = _keys[i];
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if (predicate(obj[key], key, obj)) return key;
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}
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}
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