fix: Migrate to eslint 9 (#7961)

* Update to eslint 9

* Automatic changes

* Manual changes

* fix no-return-await

* @typescript-eslint/await-thenable

* @typescript-eslint/no-unused-vars

* @typescript-eslint/ban-ts-comment

* ignore @typescript-eslint/explicit-function-return-type

* no-prototype-builtins

* process feedback

* @typescript-eslint/return-await

* `@typescript-eslint/return-await` `always`

.github/workflows/update_deps.yml

@@ -20,7 +20,7 @@ jobs:
               with:
                   node-version: 20
                   cache: npm
-            - run: npx npm-check-updates -u -x eslint
+            - run: npx npm-check-updates -u
             - run: rm -f package-lock.json
             - run: npm install
             - uses: peter-evans/create-pull-request@v7

.prettierrc

@@ -5,5 +5,23 @@
     "printWidth": 150,
     "bracketSpacing": false,
     "endOfLine": "lf",
-    "tabWidth": 4
+    "tabWidth": 4,
+    "importOrder": [
+        "",
+        "<TYPES>^(node:)",
+        "",
+        "<TYPES>",
+        "",
+        "<TYPES>^[.]",
+        "",
+        "<BUILTIN_MODULES>",
+        "",
+        "<THIRD_PARTY_MODULES>",
+        "",
+        "^zigbee",
+        "",
+        "^[.]"
+    ],
+    "importOrderParserPlugins": ["typescript", "decorators"],
+    "plugins": ["@ianvs/prettier-plugin-sort-imports"]
 }

eslint.config.mjs

@@ -0,0 +1,33 @@
+// @ts-check
+
+import eslint from '@eslint/js';
+import eslintConfigPrettier from 'eslint-config-prettier';
+import tseslint from 'typescript-eslint';
+
+export default tseslint.config(
+    eslint.configs.recommended,
+    ...tseslint.configs.recommended,
+    {
+        languageOptions: {
+            parserOptions: {
+                project: true,
+            },
+        },
+        rules: {
+            '@typescript-eslint/await-thenable': 'error',
+            '@typescript-eslint/ban-ts-comment': 'error',
+            // Not enabled for now, gives 3.6k errors which require manual fixing.
+            // '@typescript-eslint/explicit-function-return-type': 'error',
+            '@typescript-eslint/no-explicit-any': 'error',
+            '@typescript-eslint/no-unused-vars': ['error', {args: 'none'}],
+            'array-bracket-spacing': ['error', 'never'],
+            '@typescript-eslint/return-await': ['error', 'always'],
+            'object-curly-spacing': ['error', 'never'],
+            '@typescript-eslint/no-floating-promises': 'error',
+        },
+    },
+    {
+        ignores: ['test/', 'index.*', 'converters/', 'devices/', 'lib/', 'scripts/', '**/*.mjs'],
+    },
+    eslintConfigPrettier,
+);