Use Typescript

.eslintrc.json

@@ -6,15 +6,23 @@
     "serviceworker": true,
     "webextensions": true
   },
-  "extends": ["eslint:recommended", "plugin:unicorn/recommended", "prettier"],
+  "extends": [
+    "eslint:recommended",
+    "plugin:unicorn/recommended",
+    "plugin:@typescript-eslint/recommended",
+    "prettier"
+  ],
   "parserOptions": {
-    "ecmaVersion": 2021,
+    "ecmaVersion": "latest",
     "sourceType": "module",
-    "ecmaFeatures": {
-      "modules": true
-    }
+    "project": [
+      "./tsconfig.json"
+    ]
   },
-  "plugins": ["unicorn"],
+  "plugins": [
+    "@typescript-eslint",
+    "unicorn"
+  ],
   "rules": {
     "consistent-return": "error",
     "indent": [
@@ -24,16 +32,27 @@
         "SwitchCase": 1
       }
     ],
-    "linebreak-style": ["error", "unix"],
+    "linebreak-style": [
+      "error",
+      "unix"
+    ],
     "no-console": [
       "error",
       {
-        "allow": ["error"]
+        "allow": [
+          "error"
+        ]
       }
     ],
     "prefer-template": "error",
-    "quotes": ["error", "single"],
-    "semi": ["error", "always"],
+    "quotes": [
+      "error",
+      "single"
+    ],
+    "semi": [
+      "error",
+      "always"
+    ],
     "unicorn/no-null": "off",
     "arrow-body-style": "error",
     "no-var": "error",

.github/workflows/commit.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v3
         with:
-          node-version: "16"
+          node-version: "20"
 
       - name: Install dependencies
         run: npm ci

.prettierrc.json

@@ -1,8 +1,9 @@
 {
   "quoteProps": "consistent",
+  "printWidth": 120,
   "overrides": [
     {
-      "files": ["*.js"],
+      "files": ["*.js", "*.ts"],
       "options": {
         "singleQuote": true
       }