Huskyを使用してgit push前にコードの品質を担保する

// install
% npm install --save-dev husky

// init
% npx husky init

echo "Hello World"

% git commit -m "test commit"
Hello World
 1 file changed, 2 insertions(+)

npm run build

if [ $? -ne 0 ]; then
  echo "Error: Build failed."
  exit 1
fi

% git commit -m "test commit"

> test-project@0.1.0 build
> next build

   ▲ Next.js 15.3.2

   Creating an optimized production build ...
 ✓ Compiled successfully in 0ms
 ✓ Linting and checking validity of types    
 ✓ Collecting page data    
 ✓ Generating static pages (4/4)
 ✓ Collecting build traces    
 ✓ Finalizing page optimization    

Route (app)                                 Size  First Load JS    
┌ ○ /                                      136 B         101 kB
└ ○ /_not-found                            977 B         102 kB
+ First Load JS shared by all             101 kB
  ├ chunks/4bd1b696-67ee12fb04071d3b.js  53.2 kB
  ├ chunks/684-819c3ec28c575323.js       45.9 kB
  └ other shared chunks (total)          1.89 kB


○  (Static)  prerendered as static content

 1 file changed, 6 insertions(+), 1 deletion(-)

% git commit -m "test failed commit"

> test-project@0.1.0 build
> next build

   ▲ Next.js 15.3.2

   Creating an optimized production build ...
Failed to compile.

./app/page.tsx
Error:   x Parenthesized expression cannot be empty
   ,-[/test-project/app/page.tsx:2:1]
 1 |     export default function Home() {
 2 | ,->   return (
 3 | `->   );
 4 |     }
   `----

Caused by:
    Syntax Error

Import trace for requested module:
./app/page.tsx


> Build failed because of webpack errors
husky - pre-commit script failed (code 1)

npm run build

if [ $? -ne 0 ]; then
  echo "Error: Build failed."
  exit 1
fi

 % git push origin install-husky
Running npm build before push...

> test-project@0.1.0 build
> next build

   ▲ Next.js 15.3.2

   Creating an optimized production build ...
 ✓ Compiled successfully in 0ms
 ✓ Linting and checking validity of types    
 ✓ Collecting page data    
 ✓ Generating static pages (4/4)
 ✓ Collecting build traces    
 ✓ Finalizing page optimization    

Route (app)                                 Size  First Load JS    
┌ ○ /                                      136 B         101 kB
└ ○ /_not-found                            977 B         102 kB
+ First Load JS shared by all             101 kB
  ├ chunks/4bd1b696-67ee12fb04071d3b.js  53.2 kB
  ├ chunks/684-819c3ec28c575323.js       45.9 kB
  └ other shared chunks (total)          1.89 kB


○  (Static)  prerendered as static content

Build successful. Continuing with push...
Enumerating objects: 13, done.
Counting objects: 100% (13/13), done.
Delta compression using up to 10 threads
Compressing objects: 100% (7/7), done.
Writing objects: 100% (10/10), 1.25 KiB | 1.25 MiB/s, done.
Total 10 (delta 4), reused 0 (delta 0), pack-reused 0
remote: Resolving deltas: 100% (4/4), completed with 3 local objects.
remote: 
remote: Create a pull request for 'install-husky' on GitHub by visiting:
remote:     *****
remote: 
To ******
 * [new branch]      install-husky -> install-husky