build: Add eslint

eslint.config.mjs

@@ -52,12 +52,14 @@ export default [
         2,
         {
           ignoredNodes: ["TemplateLiteral"],
+          SwitchCase: 1,
         },
       ],
       "@stylistic/js/no-mixed-spaces-and-tabs": ["error"],
       "@stylistic/js/semi": ["error", "always"],
       "constructor-super": ["error"],
       curly: ["error", "all"],
+      eqeqeq: ["error", "always"],
       "for-direction": ["error"],
       "getter-return": ["error"],
       "no-async-promise-executor": ["error"],
@@ -116,12 +118,28 @@ export default [
           caughtErrorsIgnorePattern: "^_",
         },
       ],
+      "no-use-before-define": [
+        "error",
+        {
+          functions: false,
+          classes: true,
+          variables: true,
+          allowNamedExports: true,
+        },
+      ],
       "no-useless-backreference": ["error"],
       "no-useless-catch": ["error"],
       "no-useless-escape": ["error"],
       "no-var": ["error"],
       "no-with": ["error"],
-      "prefer-const": ["error"],
+      "prefer-const": [
+        "error",
+        {
+          destructuring: "all",
+        },
+      ],
+      "prefer-regex-literals": ["error"],
+      "prefer-template": ["error"],
       "require-yield": ["error"],
       "use-isnan": ["error"],
       "valid-typeof": ["error"],

main.js

@@ -40,7 +40,7 @@ global.hash_alg = "sha256";
 global.locale = "en-US";
 
 global.platform = global.platform.replace("32", "").replace("64", "");
-if (global.platform == "darwin") {
+if (global.platform === "darwin") {
   global.platform = "mac";
 }
 
@@ -345,12 +345,12 @@ ipcMain.on("sideload_update", async (event, arg) => {
 ipcMain.on("device_tweaks", async (event, arg) => {
   console.log("device_tweaks received", arg);
 
-  if (arg.cmd == "get") {
+  if (arg.cmd === "get") {
     const res = await tools.deviceTweaksGet(arg);
     event.reply("device_tweaks", res);
   }
 
-  if (arg.cmd == "set") {
+  if (arg.cmd === "set") {
     if (!global.adbDevice) {
       console.log("Missing device, sending ask_device");
       event.reply("ask_device", "");
@@ -486,7 +486,7 @@ function createWindow() {
   };
   win.loadURL(`file://${__dirname}/views/index.twig`);
 
-  if (process.argv[2] == "--dev") {
+  if (process.argv[2] === "--dev") {
     win.webContents.openDevTools();
   }
 
@@ -534,7 +534,7 @@ async function startApp() {
 
   createWindow();
   app.on("activate", () => {
-    if (BrowserWindow.getAllWindows().length != 0) {
+    if (BrowserWindow.getAllWindows().length !== 0) {
       return;
     }
     createWindow();

removeLocales.js

@@ -4,7 +4,7 @@ const LOCALES = ["en-US.pak", "ru.pak"];
 exports.default = async function (context) {
   // console.log(context);
   const fs = require("fs");
-  const localeDir = context.appOutDir + "/locales/";
+  const localeDir = `${context.appOutDir}/locales/`;
 
   fs.readdir(localeDir, function (err, files) {
     //files is array of filenames (basename form)