setting up internal eslint

.eslint-doc-generatorrc.js

@@ -1,23 +1,25 @@
+/* eslint-disable unicorn/prevent-abbreviations */
 /** @type {import('eslint-doc-generator').GenerateOptions} */
 const config = {
-    // configEmoji: [['recommended', '✅']],
-    // ignoreConfig: ['all', 'flat/all', 'flat/recommended'],
-    ignoreDeprecatedRules: true,
-    // ruleDocNotices: [],
-    // ruleDocSectionExclude: [],
-    // ruleDocSectionInclude: [],
-    ruleDocTitleFormat: 'desc',
-    ruleListColumns: [
-      'name',
-      'description',
-      'configsError',
-      'configsWarn',
-      'fixable',
-      'hasSuggestions',
-      'requiresTypeChecking',
-    ],
-    // ruleListSplit: [],
-    // urlConfigs: 'https://github.com/...#preset-configs-eslintconfigjs',
-  };
-
-  module.exports = config;
+  // configEmoji: [['recommended', '✅']],
+  // ignoreConfig: ['all', 'flat/all', 'flat/recommended'],
+  ignoreDeprecatedRules: true,
+  // ruleDocNotices: [],
+  // ruleDocSectionExclude: [],
+  // ruleDocSectionInclude: [],
+  ruleDocTitleFormat: "desc",
+  ruleListColumns: [
+    "name",
+    "description",
+    "configsError",
+    "configsWarn",
+    "fixable",
+    "hasSuggestions",
+    "requiresTypeChecking",
+  ],
+  // ruleListSplit: [],
+  // urlConfigs: 'https://github.com/...#preset-configs-eslintconfigjs',
+};
+
+// eslint-disable-next-line no-undef
+module.exports = config;

.vscode/settings.json

@@ -1,4 +1,7 @@
 {
+  "editor.codeActionsOnSave": {
+    "source.fixAll.eslint": "explicit"
+  },
   "editor.defaultFormatter": "esbenp.prettier-vscode",
   "editor.formatOnSave": true
-}
+}

eslint.config.mjs

@@ -0,0 +1,35 @@
+import pluginJs from "@eslint/js";
+import importPlugin from "eslint-plugin-import";
+import simpleImportSort from "eslint-plugin-simple-import-sort";
+import eslintPluginUnicorn from "eslint-plugin-unicorn";
+import globals from "globals";
+import tseslint from "typescript-eslint";
+
+/** @type {import('eslint').Linter.Config[]} */
+export default [
+  { files: ["**/*.{js,mjs,cjs,ts}"] },
+  { ignores: ["lib/**"] },
+  { languageOptions: { globals: globals.browser } },
+  pluginJs.configs.recommended,
+  ...tseslint.configs.recommended,
+  {
+    plugins: {
+      import: importPlugin,
+      "simple-import-sort": simpleImportSort,
+    },
+    rules: {
+      "import/first": "error",
+      "import/newline-after-import": "error",
+      "simple-import-sort/imports": "error",
+      "simple-import-sort/exports": "error",
+      "@typescript-eslint/array-type": ["error", { default: "generic" }],
+    },
+  },
+  eslintPluginUnicorn.configs["flat/recommended"],
+  {
+    rules: {
+      // Already covered
+      "unicorn/prefer-module": "off",
+    },
+  },
+];

jest.config.js

@@ -1,6 +1,7 @@
 /** @type {import('ts-jest').JestConfigWithTsJest} */
+// eslint-disable-next-line no-undef
 module.exports = {
-  preset: 'ts-jest',
-  testEnvironment: 'node',
-  testMatch: ['**/*.spec.ts'],
-};
+  preset: "ts-jest",
+  testEnvironment: "node",
+  testMatch: ["**/*.spec.ts"],
+};

package.json

@@ -30,6 +30,8 @@
     "./package.json": "./package.json"
   },
   "scripts": {
+    "lint": "eslint .",
+    "lint:fix": "eslint . --fix",
     "build": "tsc --build",
     "build:diagnostics": "tsc --build --diagnostics",
     "watch": "tsc --watch",
@@ -41,19 +43,25 @@
     "test": "vitest"
   },
   "dependencies": {
-    "@typescript-eslint/utils": "^7.13.0",
-    "eslint": "^8.56.0"
+    "@typescript-eslint/utils": "^7.13.0"
   },
   "devDependencies": {
+    "@eslint/js": "^9.16.0",
     "@types/eslint": "^8.56.10",
     "@types/jest": "^29.5.12",
     "@typescript-eslint/parser": "^7.13.0",
     "@typescript-eslint/rule-tester": "^7.13.0",
+    "eslint": "^8.57.1",
     "eslint-doc-generator": "^1.7.1",
+    "eslint-plugin-import": "^2.31.0",
+    "eslint-plugin-simple-import-sort": "^12.1.1",
+    "eslint-plugin-unicorn": "^56.0.1",
+    "globals": "^15.13.0",
     "jest": "^29.7.0",
     "ts-jest": "^29.1.4",
     "tsup": "^8.1.0",
     "typescript": "^5.4.5",
+    "typescript-eslint": "^8.18.0",
     "vitest": "^1.6.0"
   },
   "engines": {