feat: additional linting configs, formatting configs

.prettierrc.json

@@ -0,0 +1,11 @@
+{
+  "jsonRecursiveSort": false,
+  "jsonSortOrder": "{\"/.*/\": \"lexical\"}",
+  "plugins": ["prettier-plugin-sort-json"],
+  "printWidth": 100,
+  "semi": true,
+  "singleQuote": false,
+  "tabWidth": 2,
+  "trailingComma": "es5",
+  "useTabs": false
+}

eslint.config.js

@@ -0,0 +1,30 @@
+import js from "@eslint/js";
+import globals from "globals";
+import prettier from "eslint-config-prettier";
+
+export default [
+  {
+    ignores: ["node_modules/**", "data/**", "releases/**", "android/**", "web/translations/**"],
+  },
+  js.configs.recommended,
+  {
+    // Browser-side single-page app served by the bridge. Loaded as a classic
+    // (non-module) script, so all top-level functions/vars share one global scope.
+    files: ["web/**/*.js"],
+    languageOptions: {
+      ecmaVersion: 2022,
+      sourceType: "script",
+      globals: {
+        ...globals.browser,
+      },
+    },
+    rules: {
+      // Top-level functions/vars are intentional globals invoked from inline
+      // HTML handlers, so only flag unused *local* bindings, not globals.
+      "no-unused-vars": ["warn", { vars: "local", args: "none" }],
+      // Empty catch blocks are used intentionally to swallow non-critical errors.
+      "no-empty": ["error", { allowEmptyCatch: true }],
+    },
+  },
+  prettier,
+];

package.json

@@ -1,23 +1,22 @@
 {
   "name": "kx-bridge",
-  "version": "0.9.27",
+  "version": "0.9.0",
   "description": "Moonraker-compatible bridge for Anycubic Kobra X",
   "type": "module",
   "devDependencies": {
-    "prettier": "^3.0.0"
+    "@eslint/js": "^9.0.0",
+    "eslint": "^9.0.0",
+    "eslint-config-prettier": "^9.1.0",
+    "globals": "^15.0.0",
+    "prettier": "^3.0.0",
+    "prettier-plugin-sort-json": "^4.2.0"
   },
   "scripts": {
-    "format:js": "prettier --write 'web/**/*.js' '*.js'",
-    "format:json": "prettier --write '*.json' 'web/**/*.json'",
-    "format:web": "prettier --write 'web/**/*.{js,json,html,css,yml,yaml,md}'",
+    "lint": "eslint .",
+    "lint:fix": "eslint . --fix",
+    "format:js": "prettier --write \"web/**/*.js\" \"*.js\"",
+    "format:json": "prettier --write \"*.json\" \"web/**/*.json\"",
+    "format:web": "prettier --write \"web/**/*.{js,json,html,css,yml,yaml,md}\"",
     "format": "npm run format:web"
-  },
-  "prettier": {
-    "semi": true,
-    "singleQuote": false,
-    "trailingComma": "es5",
-    "printWidth": 100,
-    "tabWidth": 2,
-    "useTabs": false
   }
 }