Sha256: fc9b78e09a53b32f6af424fa2e94b71de72c6721eb7fb3069fd95b8964e4f4a5
Contents?: true
Size: 477 Bytes
Versions: 26
Compression:
Stored size: 477 Bytes
Contents
'use strict';
Object.defineProperty(exports, '__esModule', {
value: true,
});
exports.groupBy = groupBy;
/**
* Groups array items into a Map, given a function to produce grouping key.
*/
function groupBy(list, keyFn) {
const result = new Map();
for (const item of list) {
const key = keyFn(item);
const group = result.get(key);
if (group === undefined) {
result.set(key, [item]);
} else {
group.push(item);
}
}
return result;
}
Version data entries
26 entries across 26 versions & 1 rubygems