ci: eslint and prettier lint automation using husky lint-staged gith…

…ub-actions (#12)

* ci: eslint and prettier lint automation using husky lint-staged github-actions

* fix: error in prettier --check options

No parser could be inferred for file '.../.markdownlintignore' occured. So I fixed it.

* perf: made lint.yml using parallel operation

.github/workflows/lint.yml

@@ -9,6 +9,14 @@ on:
 
 jobs:
   lint:
+    strategy:
+      matrix:
+        type:
+          - eslint
+          - prettier
+          - editorconfig
+          - markdownlint
+
     runs-on: ubuntu-latest
 
     steps:
@@ -30,8 +38,5 @@ jobs:
       - name: Set up node_modules
         run: npm ci
 
-      - name: Lint editorconfig
-        run: npm run lint-editorconfig --if-present
-
-      - name: Lint markdownlint
-        run: npm run lint-markdownlint --if-present
+      - name: Lint ${{ matrix.type }}
+        run: npm run lint-${{ matrix.type }} --if-present

.markdownlintignore

@@ -3,3 +3,6 @@
 
 # production
 /build
+
+# files
+LICENSE

.prettierignore

@@ -1,4 +1,5 @@
 node_modules
 build
+.markdownlintignore
 package-lock.json
 *.md

package.json

@@ -57,7 +57,11 @@
     "prettier": "^3.3.3"
   },
   "lint-staged": {
-    "*": "npx editorconfig-checker",
+    "*": [
+      "npx prettier --check",
+      "npx editorconfig-checker"
+    ],
+    "*.js": "npx eslint",
     "*.md": "npx markdownlint"
   }
 }