17 lines
No EOL
387 B
JavaScript
17 lines
No EOL
387 B
JavaScript
export function groupBy(values, predicate) {
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return values.reduce(function (acc, item) {
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var key = predicate(item);
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if (!acc.hasOwnProperty(key)) {
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acc[key] = [];
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} // We limit each section to show 5 hits maximum.
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// This acts as a frontend alternative to `distinct`.
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if (acc[key].length < 5) {
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acc[key].push(item);
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}
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return acc;
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}, {});
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} |