es-toolkit

name	es-toolkit
description	Use when implementing utility functions, array operations, object manipulation, or string operations. ALWAYS use es-toolkit instead of custom implementations or native methods.
allowed-tools	Read, Grep, Glob

es-toolkit Usage Guide

This skill provides guidelines and best practices for using the es-toolkit utility library in this project.

Quick Reference

MANDATORY: Always use es-toolkit instead of custom implementations or native methods.

For detailed patterns, examples, and checklists, see:

• references/patterns.md - Complete usage patterns and migration guides

Key Categories

Category	Module	Common Functions
Array	es-toolkit/array	compact, head, last, take, drop, uniq, chunk, flatten
Object	es-toolkit/object	merge, mergeWith, clone, cloneDeep, pick, omit
String	es-toolkit/string	trim, trimStart, trimEnd, kebabCase, camelCase, snakeCase
Function	es-toolkit/function	debounce, throttle, memoize, once
Util	es-toolkit/util	invariant

Import Pattern

Always import from specific modules for optimal tree-shaking:

// Good: Import from specific modules
import { compact } from "es-toolkit/array";
import { merge } from "es-toolkit/object";

// Bad: Import from root (larger bundle)
import { compact } from "es-toolkit";

Documentation

• Official Docs: https://es-toolkit.dev/
• GitHub: https://github.com/toss/es-toolkit