Install lefthook (#527)

.gitignore

@@ -1,2 +1,3 @@
 node_modules/
 dist/
+lefthook-local.yaml

lefthook.yaml

@@ -0,0 +1,39 @@
+pre-commit:
+  parallel: true
+  commands:
+    main-branch-check:
+      only:
+        - ref: 'main'
+      run: 'exit 1'
+      fail_text: 'Please switch to another branch before committing. Use `git switch -c <branch-name>`.'
+    prettier:
+      run: 'npx prettier {staged_files} --check --ignore-unknown'
+      fail_text: 'Please fix the formatting issues before committing. Use `npm run format`.'
+    eslint:
+      glob: '*.{mjs,ts}'
+      run: 'npx eslint {staged_files}'
+      fail_text: 'Please fix the ESLint issues before committing. Try `npx eslint --fix .`.'
+    markdownlint:
+      glob: '*.md'
+      run: 'npx markdownlint {staged_files}'
+      fail_text: 'Please fix the markdownlint issues before committing. Try `npx markdownlint --fix .`.'
+    build:
+      glob: 'src/**'
+      run: 'npm run build'
+      fail_text: 'Please fix the build issues before committing. Try `npm run build`.'
+    test:
+      glob: '{src,tests}/**'
+      run: 'npm run test'
+      fail_text: 'Please fix the test issues before committing. Try `npm run test:watch`.'
+    type-test:
+      glob: '{src,type-tests}/**'
+      run: 'npm run type-test'
+      fail_text: 'Please fix the type test issues before committing. Try `npm run type-test`.'
+output:
+  - 'summary'
+  - 'success'
+  - 'failure'
+  - 'execution'
+  - 'execution_out'
+  - 'execution_info'
+  - 'skips'

package.json

@@ -52,6 +52,7 @@
     "eslint-plugin-unicorn": "^52.0.0",
     "jest": "^29.7.0",
     "jest-extended": "^4.0.2",
+    "lefthook": "^1.6.8",
     "markdownlint-cli": "^0.39.0",
     "prettier": "3.2.5",
     "ts-jest": "^29.1.2",