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152 changes: 152 additions & 0 deletions src/content/post/blog/husky-to-lefthook.mdx
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---
title: Husky๋ฅผ Lefthook์œผ๋กœ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ํ•˜๊ธฐ
date: 2025-02-05
updatedDate: 2025-02-05
tags: [husky, lefthook, git hooks, pre commit, pre push]
image: '/images/husky-to-lefthook/waiting-husky-pre-commit.png'
---

<div className="mx-auto w-2/3 sm:w-full">
![์ปค๋ฐ‹ ๋ฉ”์‹œ์ง€๋ฅผ ์ž‘์„ฑํ•˜๊ธฐ ์œ„ํ•ด ๊ธฐ๋‹ค๋ฆฌ๋Š”
๋‚˜...](/images/husky-to-lefthook/waiting-husky-pre-commit.png)
</div>

[๋ƒฅํŠธ์ฝ”์ธ](https://nyantcoin.koyeb.app/) ํ”„๋กœ์ ํŠธ์—์„œ ์ฝ”๋“œ ํ’ˆ์งˆ์„ ๊ด€๋ฆฌํ•˜๊ธฐ ์œ„ํ•ด `Husky`๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ์—ˆ๋‹ค. ์ปค๋ฐ‹ํ•  ๋•Œ๋งˆ๋‹ค ESLint์™€ Prettier ๊ทœ์น™์„ ์ž๋™์œผ๋กœ ๊ฒ€์‚ฌํ–ˆ๋Š”๋ฐ, **๋„ˆ๋ฌด ๋А๋ ค์„œ** ํ•œ์ฐธ ๋™์•ˆ ๊ธฐ๋‹ค๋ ค์•ผ ํ–ˆ๋‹ค.
**๊ฐœ๋ฐœ ์ƒ์‚ฐ์„ฑ**์ด ๋งŽ์ด ๋–จ์–ด์ง„๋‹ค๋Š” ์ƒ๊ฐ์ด ๋“ค์–ด ๋ฆฌํŒฉํ† ๋ง์„ ์‹œ์ž‘ํ•˜๊ธฐ ์ „ ๊ฐ€์žฅ ๋จผ์ € ์ด ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ณ  ์‹ถ์—ˆ๋‹ค.

## Git Hooks๋ž€?

[Git Hooks](https://git-scm.com/book/en/v2/Customizing-Git-Git-Hooks)๋Š” `commit`, `push` ๋“ฑ **git ์ด๋ฒคํŠธ๊ฐ€ ๋ฐœ์ƒ**ํ–ˆ์„ ๋•Œ **ํŠน์ • ์Šคํฌ๋ฆฝํŠธ๋ฅผ ์‹คํ–‰**ํ•  ์ˆ˜ ์žˆ๊ฒŒ ํ•ด์ฃผ๋Š” ๊ธฐ๋Šฅ์ด๋‹ค.
์ด๋ฅผ ํ™œ์šฉํ•ด **์ฝ”๋“œ ์Šคํƒ€์ผ ๊ฒ€์‚ฌ**๋‚˜ **ํ…Œ์ŠคํŠธ ์‹คํ–‰** ๋“ฑ์„ ์ž๋™ํ™”ํ•  ์ˆ˜ ์žˆ์–ด์„œ **์ฝ”๋“œ ํ’ˆ์งˆ**์„ ๊ด€๋ฆฌํ•˜๊ธฐ ์ข‹๋‹ค.

ํ•˜์ง€๋งŒ ๋ชจ๋“  ํŒ€์›์ด ๊ฐ์ž Git Hooks๋ฅผ ์„ค์ •ํ•˜๋Š” ๊ฑด ๋ฒˆ๊ฑฐ๋กญ๊ธฐ ๋•Œ๋ฌธ์— `Husky`๋‚˜ `Lefthook` ๊ฐ™์€ ํŒจํ‚ค์ง€๋กœ ํŒ€์› ๋ชจ๋‘ ์ผ๊ด€์„ฑ ์žˆ๊ฒŒ Git Hooks๋ฅผ ์ ์šฉํ•˜๋Š”๊ฒŒ ํŽธํ•˜๋‹ค.

## Husky๋Š” ์™œ ๋А๋ ธ์„๊นŒ

์šฐ์„  ๊ธฐ์กด Husky ์„ค์ •์„ ํ™•์ธํ•ด ๋ณด์ž.

```txt title=".husky/pre-commit"
#!/usr/bin/env sh

npm run lint && npm run prettier

if [ $? -ne 0 ]; then
echo "Linting or formatting failed. Commit aborted."
exit 1
fi
```

์ด ์„ค์ •์—๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์€ ๋ฌธ์ œ์ ์ด ์žˆ๋‹ค.

- **๋น„ํšจ์œจ์ ์ธ ๊ฒ€์‚ฌ ๋ฒ”์œ„**: **๋ชจ๋“  ํŒŒ์ผ์„ ๋Œ€์ƒ**์œผ๋กœ `ESLint`์™€ `Prettier` ๊ฒ€์‚ฌ๊ฐ€ ์ˆ˜ํ–‰๋œ๋‹ค.
- **์ˆœ์ฐจ์  ์‹คํ–‰**: `ESLint`์™€ `Prettier`๊ฐ€ ์ˆœ์ฐจ์ ์œผ๋กœ ์‹คํ–‰๋œ๋‹ค.

**๊ฒ€์‚ฌ ๋ฒ”์œ„๊ฐ€ ๋„“์€ ๋ฐ๋‹ค ์ˆœ์ฐจ์ ์œผ๋กœ ์‹คํ–‰**๋˜์–ด ์‹œ๊ฐ„์ด ์˜ค๋ž˜ ๊ฑธ๋ฆด ์ˆ˜๋ฐ–์— ์—†์—ˆ๋‹ค.

## Lefthook

> Meet Lefthook, **the fastest polyglot Git hooks manager** out there, and make sure not a single line of unruly code makes it into production.

`Lefthook`์€ **Go ์–ธ์–ด**๋กœ ๋งŒ๋“ค์–ด์„œ JavaScript๋กœ ๋งŒ๋“  Husky๋ณด๋‹ค **๋” ๋น ๋ฅด๊ณ  ํšจ์œจ์ **์ด๋‹ค.
Husky๋Š” ์ˆœ์ฐจ์ ์œผ๋กœ hooks๋ฅผ ์‹คํ–‰ํ•˜๋Š” ๋ฐ˜๋ฉด `Lefthook`์€ **๋ณ‘๋ ฌ ์‹คํ–‰**(parallel)์„ ์ง€์›ํ•ด pre-commit, pre-push ์ž‘์—…์ด ๋งŽ์•„์ ธ๋„ ๊ฒ€์‚ฌ ์‹œ๊ฐ„์„ ํฌ๊ฒŒ ์ค„์ผ ์ˆ˜ ์žˆ๋‹ค.
`YAML` ํ˜•์‹์˜ ์„ค์ • ํŒŒ์ผ์„ ์‚ฌ์šฉํ•ด ์„ค์ •์„ **์ง๊ด€์ ์œผ๋กœ ํŒŒ์•…**ํ•˜๊ธฐ๋„ ์ข‹๋‹ค.

Husky๋กœ๋„ ๋ณ€๊ฒฝ๋œ ํŒŒ์ผ๋งŒ ๊ฒ€์‚ฌํ•˜๋„๋ก ์„ค์ •ํ•  ์ˆ˜๋Š” ์žˆ์ง€๋งŒ, **๋ณ‘๋ ฌ ์‹คํ–‰**๊ณผ **๋” ๋น ๋ฅธ ์†๋„**๋ผ๋Š” ์žฅ์  ๋•Œ๋ฌธ์— Lefthook์„ ์„ ํƒํ–ˆ๋‹ค.

## Husky์—์„œ Lefthook์œผ๋กœ

```
npm uninstall -D husky
npm install -D lefthook
```

`.husky` ํด๋”๋ฅผ ์‚ญ์ œํ•˜๊ณ  ์œ„์˜ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•˜๋ฉด lefthook ์„ค์ •์„ ์ถ”๊ฐ€ํ•  ์ค€๋น„๊ฐ€ ๋๋‚œ๋‹ค.

```yml title="lefthook.yml"
pre-commit:
parallel: true
commands:
lint-staged:
run: npx lint-staged

pre-push:
parallel: true
commands:
type-check:
run: npm run type-check
audit-check:
run: npm audit
```

์œ„์™€ ๊ฐ™์ด Lefthook ์„ค์ • ํŒŒ์ผ์„ ์ถ”๊ฐ€ํ•˜๋ฉด ์‰ฝ๊ณ  ๋น ๋ฅด๊ฒŒ Lefthook ์„ค์ •์„ ๋งˆ์น  ์ˆ˜ ์žˆ๋‹ค.
๊ธฐ์กด Husky ์„ค์ •์—์„œ๋Š” `pre-commit`๋งŒ ์ž‘์„ฑ๋˜์–ด ์žˆ์—ˆ๋Š”๋ฐ `pre-push`๋„ ์ถ”๊ฐ€ํ•ด ์•ˆ์ •์„ฑ์„ ๋†’์˜€๋‹ค.

์‹คํ–‰ํ•  npm ๋ช…๋ น์–ด๋Š” `package.json`์˜ scripts์— ์ถ”๊ฐ€ํ•ด์•ผ ํ•œ๋‹ค.

```json title="package.json"
{
"scripts": {
"type-check": "tsc --noEmit -p ./tsconfig.json" // ํƒ€์ž… ๊ฒ€์‚ฌ๋ฅผ ์œ„ํ•ด ์ถ”๊ฐ€
}
}
```

Lefthook ์„ค์ •๋งŒ์œผ๋กœ๋„ **staged**๋œ ํŒŒ์ผ๋“ค๋งŒ ๊ฒ€์‚ฌ๋ฅผ ํ•˜๋„๋ก ์„ค์ •ํ•  ์ˆ˜ ์žˆ์ง€๋งŒ, `lint-staged` ํŒจํ‚ค์ง€๊ฐ€ ์ด๋ฏธ ์„ค์น˜๋˜์–ด ์žˆ์–ด <span className="text-gray-400">(ํ•˜์ง€๋งŒ ์‚ฌ์šฉ์€ ์•ˆํ–ˆ๋˜..)</span> ํ•ด๋‹น ํŒจํ‚ค์ง€๋ฅผ ์ ์šฉํ•ด ๋ดค๋‹ค.

```json title="package.json"
{
"lint-staged": {
"*.{js,jsx,ts,tsx}": ["npx next lint --fix --dir .", "prettier --write"],
"*.{css,md,json}": ["prettier --write"]
}
}
```

[Lefthook์œผ๋กœ git hooks ์ ์šฉํ•˜๊ธฐ](/post/note/lefthook) ํฌ์ŠคํŠธ์—์„œ `lint-staged` ์—†์ด **staged**๋œ ํŒŒ์ผ๋งŒ ๊ฒ€์‚ฌํ•˜๋Š” ๋ฐฉ๋ฒ•๊ณผ **๋” ๋งŽ์€ ์„ค์ •**์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋‹ค!

## ๊ณ„์† ๋ถ€ํ™œํ•˜๋Š” .husky ํด๋”

Husky ์˜์กด์„ฑ ๋ฐ ์„ค์ • ํŒŒ์ผ์„ ๋ชจ๋‘ ์‚ญ์ œํ–ˆ๋Š”๋ฐ๋„ ๊ณ„์† `.husky` ํด๋”๊ฐ€ ์ƒ๊ธฐ๊ณ  ๊ทธ ์•ˆ์— `pre-commit`, `pre-push` ๋“ฑ ์„ค์ • ํŒŒ์ผ์ด ์ถ”๊ฐ€๋˜๋Š” ์ด์Šˆ๊ฐ€ ์ƒ๊ฒผ๋‹ค.

ํ•ด๋‹น ํŒŒ์ผ์„ ์—ด์–ด๋ณด๋‹ˆ Lefthook์„ ์‹คํ–‰ํ•˜๋Š” ์Šคํฌ๋ฆฝํŠธ๊ฐ€ ํฌํ•จ๋˜์–ด ์žˆ์—ˆ๋‹ค.

```txt title=".husky/_/pre-commit"
#!/bin/sh

if [ "$LEFTHOOK_VERBOSE" = "1" -o "$LEFTHOOK_VERBOSE" = "true" ]; then
set -x
fi

if [ "$LEFTHOOK" = "0" ]; then
exit 0
fi

call_lefthook()
{
...
}
```

.husky ํด๋”๋ฅผ ์‚ญ์ œํ•˜๋ฉด Lefthook ์‹คํ–‰ ์Šคํฌ๋ฆฝํŠธ๋„ ์‚ฌ๋ผ์ ธ Git Hooks ์‹คํ–‰์ด ๋˜์ง€ ์•Š์•˜๋‹ค.

### ๋ฌธ์ œ ํ•ด๊ฒฐ

Husky ๊ด€๋ จ ์„ค์ •์ด ์ „ํ˜€ ์—†๋Š”๋ฐ ๊ณ„์† ๋ถ€ํ™œํ•˜๋Š” ๊ฒŒ ์ด์ƒํ•ด์„œ `Lefthook`์˜ **๊นƒํ—ˆ๋ธŒ ์ด์Šˆ**๋ฅผ ์‚ดํŽด๋ณด๋‹ˆ [๊ฐ™์€ ๋ฌธ์ œ๋ฅผ ๊ฒช์€ ์ด์Šˆ](https://github.com/evilmartians/lefthook/issues/207)๊ฐ€ ์žˆ์—ˆ๋‹ค.

์›์ธ์€ Husky๊ฐ€ ๋ณ€๊ฒฝํ•œ `hooksPath` ์„ค์ •์ด์—ˆ๊ณ  ์‹ค์ œ๋กœ ํ™•์ธํ•ด ๋ณด๋‹ˆ hooksPath๊ฐ€ `.husky/_`๋กœ ์„ค์ •๋˜์–ด ์žˆ์—ˆ๋‹ค.

![Husky๊ฐ€ ๋ณ€๊ฒฝํ•œ hooksPath](/images/husky-to-lefthook/hooks-path.avif)

๋‹ค์Œ ๋ช…๋ น์–ด๋กœ `hooksPath`๋ฅผ ๊ธฐ๋ณธ๊ฐ’์œผ๋กœ ์žฌ์„ค์ •ํ•œ ๋‹ค์Œ `npm install`์„ ํ•ด๋ณด๋‹ˆ ๋”์ด์ƒ .husky ํด๋”๊ฐ€ ์ƒ๊ธฐ์ง€ ์•Š์•˜๋‹ค!

```
git config --unset core.hooksPath // ๋ชจ๋“  ํŒ€์›์ด ์žฌ์„ค์ •ํ•ด์•ผ ํ•จ
```

## ๋งบ์œผ๋ฉด์„œ

Husky์—์„œ Lefthook์œผ๋กœ์˜ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜์œผ๋กœ **Git Hooks ์‹คํ–‰ ์„ฑ๋Šฅ์„ ํฌ๊ฒŒ ๊ฐœ์„ **ํ•  ์ˆ˜ ์žˆ์—ˆ๋‹ค.
์ด์ œ๋Š” ๋น ๋ฅด๊ฒŒ commit์„ ์ž‘์„ฑํ•  ์ˆ˜ ์žˆ์–ด ์•ž์œผ๋กœ ๋ฆฌํŒฉํ† ๋ง์„ ์ง„ํ–‰ํ•  ๋•Œ **์พŒ์ ํ•œ ๊ฐœ๋ฐœ ํ™˜๊ฒฝ**์—์„œ ์ž‘์—…ํ•  ์ˆ˜ ์žˆ๋‹ค!

์‚ฌ์‹ค `.husky` ํด๋”๊ฐ€ ๊ณ„์† ์ƒ์„ฑ๋˜๋Š” ๋ฌธ์ œ๋Š” ๊ทธ๋ƒฅ ๋‘๋ฉด Lefthook์ด ์ž‘๋™ํ•˜๋Š” ๋ฐ ๋ฌธ์ œ์—†์—ˆ์ง€๋งŒ, ์›์ธ์ด ๋„ˆ๋ฌด ๊ถ๊ธˆํ•ด์„œ ๋ฌธ์ œ๋ฅผ ํŒŒ์•…ํ•˜๊ณ  ํ•ด๊ฒฐํ•ด ๋ดค๋‹ค.
๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๋ฉฐ Git Hook์ด ์ž‘๋™ํ•˜๋Š” ๋ฐฉ์‹์— ๋Œ€ํ•ด ์•Œ๊ฒŒ ๋ผ์„œ ์˜๋ฏธ ์žˆ๋Š” ๊ฒฝํ—˜์ด์—ˆ๋‹ค.
16 changes: 9 additions & 7 deletions src/content/post/notes/lefthook.mdx
Original file line number Diff line number Diff line change
Expand Up @@ -8,10 +8,10 @@ category: setting

Lefthook์œผ๋กœ pre-commit, pre-push, prepare-commit-msg, commit-msg ์ ์šฉํ•˜๊ธฐ

- pre-commit: commit ์ „์— eslint, prettier, type ๊ฒ€์‚ฌ
- pre-push: push ์ „์— ์˜์กด์„ฑ ๊ฒ€์‚ฌ
- prepare-commit-msg: ์ปค๋ฐ‹ ๋ฉ”์‹œ์ง€ ์ปจ๋ฒค์…˜ ํ…œํ”Œ๋ฆฟ ์„ค์ •
- commit-msg: ์ปค๋ฐ‹ ๋ฉ”์‹œ์ง€ ๊ทœ์น™ ๊ฒ€์‚ฌ
- `pre-commit`: commit ์ „์— eslint, prettier, type ๊ฒ€์‚ฌ
- `pre-push`: push ์ „์— ์˜์กด์„ฑ ๊ฒ€์‚ฌ
- `prepare-commit-msg`: ์ปค๋ฐ‹ ๋ฉ”์‹œ์ง€ ์ปจ๋ฒค์…˜ ํ…œํ”Œ๋ฆฟ ์„ค์ •
- `commit-msg`: ์ปค๋ฐ‹ ๋ฉ”์‹œ์ง€ ๊ทœ์น™ ๊ฒ€์‚ฌ

## install

Expand Down Expand Up @@ -45,12 +45,13 @@ pre-commit:
glob: '*.{js,ts,jsx,tsx,json,yaml,md,prettierrc}'
run: npm run prettier {staged_files}
stage_fixed: true
type-check:
run: npm run type-check
pre-push:
parallel: true
commands:
audit-check:
run: npm audit
type-check:
run: npm run type-check
prepare-commit-msg:
commands:
template:
Expand All @@ -70,8 +71,9 @@ commit-msg:

- `{staged_files}`: git์— ์Šคํ…Œ์ด์ง• ๋œ ํŒŒ์ผ ๋Œ€์ƒ์œผ๋กœ ์‹คํ–‰
- `type-check`: TypeScript ํƒ€์ž… ์ฒดํฌ
- ๋ชจ๋“  ํŒŒ์ผ์„ ๋Œ€์ƒ์œผ๋กœ ์‹คํ–‰ํ•ด์•ผ ํ•˜๋ฏ€๋กœ ์‹คํ–‰์ด ์˜ค๋ž˜ ๊ฑธ๋ฆด ์ˆ˜ ์žˆ์–ด `pre-push` ์‚ฌ์šฉ
- `audit-check`: ๋ณด์•ˆ ์ทจ์•ฝ์  ๊ฒ€์‚ฌ
- ์˜์กด์„ฑ ํŒจํ‚ค์ง€์˜ ๋ณด์•ˆ ์ทจ์•ฝ์  ๊ฒ€์‚ฌ๋ฅผ ๋งค ์ปค๋ฐ‹๋งˆ๋‹ค ์‹คํ–‰ํ•˜๋ฉด ์‹คํ–‰์ด ์˜ค๋ž˜ ๊ฑธ๋ฆด ์ˆ˜ ์žˆ์œผ๋ฏ€๋กœ `pre-push` ์‚ฌ์šฉ
- ์˜์กด์„ฑ ํŒจํ‚ค์ง€์˜ ๋ณด์•ˆ ์ทจ์•ฝ์  ๊ฒ€์‚ฌ๋ฅผ ๋งค ์ปค๋ฐ‹๋งˆ๋‹ค ์‹คํ–‰ํ•˜๋ฉด ์‹คํ–‰์ด ์˜ค๋ž˜ ๊ฑธ๋ฆด ์ˆ˜ ์žˆ์–ด `pre-push` ์‚ฌ์šฉ

## package.json

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