39 lines
799 B
JavaScript
39 lines
799 B
JavaScript
import update from './update';
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import wrap from './wrap';
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import forEach from 'lodash/collection/forEach';
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import mapArray from 'lodash/collection/map';
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import mapObject from 'lodash/object/mapValues';
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function shallowEqual(object, otherObject) {
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let equal = true;
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forEach(otherObject, (value, key) => {
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if (value !== object[key]) {
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equal = false;
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// exit early
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return false;
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}
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});
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return equal;
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}
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function map(iteratee, object) {
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const updater = typeof iteratee === 'function' ?
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iteratee :
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update(iteratee);
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const mapper = Array.isArray(object) ?
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mapArray :
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mapObject;
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const newObject = mapper(object, updater);
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const equal = shallowEqual(object, newObject);
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return equal ?
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object :
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newObject;
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}
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export default wrap(map);
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