style: configure eslint

.editorconfig

@@ -0,0 +1,11 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+charset = utf-8
+indent_size = 4
+trim_trailing_whitespace = true
+
+[*.js]
+indent_style = space

.eslintignore

@@ -0,0 +1,2 @@
+dist/*
+node_modules/*

.eslintrc.js

@@ -0,0 +1,3 @@
+module.exports = {
+    extends: ['scratch', 'scratch/node', 'scratch/es6']
+};

.github/workflows/ci-cd.yml

@@ -35,7 +35,9 @@ jobs:
           GitHub head ref: ${{ github.head_ref }}
           EOF
       - name: Setup
-        run: npm ci --legacy-peer-deps
+        run: npm ci
+      - name: Lint
+        run: npm run lint
       - name: Setup Deploy
         run: |
           echo "export NPM_TAG=latest" >> $GITHUB_ENV

package.json

@@ -11,6 +11,7 @@
   "scripts": {
     "build": "npm run clean && webpack --progress --bail",
     "clean": "rimraf ./dist",
+    "lint": "eslint .",
     "test": "npm run build",
     "watch": "webpack --progress --watch"
   },

src/.eslintrc.js

@@ -0,0 +1,7 @@
+module.exports = {
+    root: true,
+    extends: ['scratch', 'scratch/es6'],
+    env: {
+        browser: true
+    }
+};

src/index.js

@@ -36,6 +36,6 @@ const getFonts = function () {
     }
 
     return FONTS;
-}
+};
 
 module.exports = getFonts;