30 lines
783 B
JavaScript
30 lines
783 B
JavaScript
import { identity } from '../../function/identity.mjs';
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import { isNil } from '../../predicate/isNil.mjs';
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import { iteratee } from '../util/iteratee.mjs';
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function invertBy(object, iteratee$1) {
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const result = {};
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if (isNil(object)) {
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return result;
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}
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if (iteratee$1 == null) {
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iteratee$1 = identity;
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}
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const keys = Object.keys(object);
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const getString = iteratee(iteratee$1);
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for (let i = 0; i < keys.length; i++) {
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const key = keys[i];
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const value = object[key];
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const valueStr = getString(value);
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if (Array.isArray(result[valueStr])) {
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result[valueStr].push(key);
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}
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else {
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result[valueStr] = [key];
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}
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}
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return result;
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}
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export { invertBy };
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