Обычно для группировки массива по какому-то ключу используют reduceОднако уже доступны Object.groupBy и Map.groupBy

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Обычно для группировки массива по какому-то ключу используют reduce

Однако уже доступны Object.groupBy и Map.groupBy, которые позволяют упростить эту процедуру

const users = [
  { id: 1, name: "Alex", role: "admin" },
  { id: 2, name: "Anna", role: "user" },
];

const grouped = Object.groupBy(users, ({ role }) => role);

// Результат:
// { admin: [{...}], user: [{...}] }

#js

www.tg-me.com/ca/Vue FAQ/com.vuefaq/1201

820 viewsedited Apr 9 at 09:58

tg-me.com/vuefaq/1201

Create: 2025-04-09
Last Update: 2025-05-20 08:41:11

const users = [
  { id: 1, name: "Alex", role: "admin" },
  { id: 2, name: "Anna", role: "user" },
];

const grouped = Object.groupBy(users, ({ role }) => role);

// Результат:
// { admin: [{...}], user: [{...}] }

#js

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