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2025-07-02 21:55:07 +09:00
commit fa63330e69
855 changed files with 432271 additions and 0 deletions

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export default function uniqueBy(arr, fn) {
var identifiers = new Set();
return arr.filter(function (item) {
var identifier = fn(item);
if (!identifiers.has(identifier)) {
identifiers.add(identifier);
return true;
}
});
}