演练场

import { chunk, groupBy, uniq } from 'es-toolkit';

// ============================================
// es-toolkit Playground
// Try any function from the function list!
// ============================================

// chunk(arr, size)
// Splits an array into smaller arrays of the given size.
const chunked = chunk([1, 2, 3, 4, 5, 6], 2);
console.log('chunk:', chunked);
// [[1, 2], [3, 4], [5, 6]]

// uniq(arr)
// Returns a new array with duplicates removed.
const unique = uniq([1, 2, 2, 3, 3, 3]);
console.log('uniq:', unique);
// [1, 2, 3]

// groupBy(arr, fn)
// Groups array elements by a key returned from the callback.
const grouped = groupBy(
  [
    { name: 'Alice', age: 25 },
    { name: 'Bob', age: 30 },
    { name: 'Charlie', age: 25 },
  ],
  item => item.age,
);
console.log('groupBy:', grouped);