Change prettier workflow to git hook (#25)

.github/workflows/format_prettier.yml

@@ -1,28 +0,0 @@
-name: Format Prettier
-
-# This action works with pull requests and pushes
-on:
-  pull_request:
-  push:
-    branches:
-    - master
-
-jobs:
-  prettier:
-    runs-on: ubuntu-latest
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v2
-      with:
-        # Make sure the actual branch is checked out when running on pull requests
-        ref: ${{ github.head_ref }}
-
-    - name: Prettify code
-      uses: creyD/prettier_action@v2.2
-      with:
-        # This part is also where you can pass other options, for example:
-        prettier_options: 
-          --write **/*.{js,md} 
-          --tab-width 4
-          --jsx-bracket-same-line true

package.json

@@ -27,8 +27,21 @@
     "babel-eslint": "^10.1.0",
     "eslint": "^6.7.2",
     "eslint-plugin-vue": "^6.2.2",
+    "husky": "^4.3.0",
+    "lint-staged": "^10.5.1",
+    "prettier": "^2.1.2",
     "vue-template-compiler": "^2.6.11"
   },
+  "husky": {
+    "hooks": {
+      "pre-commit": "lint-staged"
+    }
+  },
+  "lint-staged": {
+    "*.{js,css,md}": [
+      "prettier --tab-width 4 --jsx-bracket-same-line true --write"
+    ]
+  },
   "eslintConfig": {
     "root": true,
     "env": {