Râu Cao
27 lines
608 B
JavaScript
27 lines
608 B
JavaScript
//
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// Code from https://github.com/HeroicEric/ember-group-by (MIT licensed)
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//
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import { A } from '@ember/array';
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import { isPresent } from '@ember/utils';
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export default function groupBy (collection, property) {
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let groups = A();
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let items = collection;
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if (items) {
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items.forEach(function(item) {
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let value = item[property];
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let group = groups.findBy('value', value);
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if (isPresent(group)) {
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group.items.push(item);
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} else {
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group = { property: property, value: value, items: [item] };
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groups.push(group);
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}
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});
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}
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return groups;
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}
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