ESLint & web-ext lint

.eslintrc.cjs

@@ -0,0 +1,7 @@
+/* eslint-env node */
+module.exports = {
+  extends: ['eslint:recommended', 'plugin:@typescript-eslint/recommended'],
+  parser: '@typescript-eslint/parser',
+  plugins: ['@typescript-eslint'],
+  root: true,
+};

package.json

@@ -17,6 +17,7 @@
     "dev": "vite",
     "serve:chromium": "web-ext run -t chromium --start-url \"about:blank\" --source-dir ./dist/",
     "serve:firefox": "web-ext run --start-url \"about:debugging#/runtime/this-firefox\"  --source-dir ./dist/",
+    "lint": "web-ext lint --source-dir ./dist/",
     "package": "web-ext build --source-dir ./dist/"
   },
   "devDependencies": {

src/entries/popup/main.ts

@@ -24,22 +24,24 @@ async function getCurrTabUrl() {
 
 async function genQrBlob(url: string, type: "svg" | "png") {
   switch (type) {
-    case "svg":
+    case "svg": {
       const svg = await toString(url, {
         type: "svg",
         margin: 0,
       });
       return new Blob([svg], {
         type: "image/svg+xml;charset=utf-8",
       });
-    case "png":
+    }
+    case "png": {
       const png = await toDataURL(url, {
         type: "image/png",
         width: 512,
       });
       return new Blob([dataURLToArrayBuffer(png)], {
         type: "image/png",
       });
+    }
   }
 }