Eslint 9

eslint.config.mjs

@@ -0,0 +1,72 @@
+import { fixupConfigRules } from '@eslint/compat'
+import tsParser from '@typescript-eslint/parser'
+import path from 'node:path'
+import { fileURLToPath } from 'node:url'
+import js from '@eslint/js'
+import { FlatCompat } from '@eslint/eslintrc'
+
+const __filename = fileURLToPath(import.meta.url)
+const __dirname = path.dirname(__filename)
+const compat = new FlatCompat({
+  baseDirectory: __dirname,
+  recommendedConfig: js.configs.recommended,
+  allConfig: js.configs.all,
+})
+
+export default [
+  {
+    ignores: ['**/coverage', '**/node_modules/', '**/dist'],
+  },
+  ...fixupConfigRules(
+    compat.extends(
+      'plugin:prettier/recommended',
+      'plugin:@typescript-eslint/recommended',
+      'plugin:@typescript-eslint/recommended-type-checked',
+      'plugin:@typescript-eslint/stylistic-type-checked',
+      'plugin:react/recommended',
+      'plugin:react-hooks/recommended',
+    ),
+  ),
+  {
+    languageOptions: {
+      parser: tsParser,
+      ecmaVersion: 5,
+      sourceType: 'script',
+
+      parserOptions: {
+        ecmaFeatures: {
+          jsx: true,
+        },
+
+        tsconfigRootDir: '/home/cdiesh/src/jbrowse-plugin-msaview',
+        project: './tsconfig.json',
+      },
+    },
+
+    settings: {
+      react: {
+        version: 'detect',
+      },
+    },
+
+    rules: {
+      '@typescript-eslint/no-unsafe-member-access': 'off',
+      '@typescript-eslint/no-unsafe-argument': 'off',
+      '@typescript-eslint/no-unsafe-assignment': 'off',
+      '@typescript-eslint/prefer-nullish-coalescing': 'off',
+      '@typescript-eslint/no-unsafe-call': 'off',
+      '@typescript-eslint/no-unsafe-return': 'off',
+      '@typescript-eslint/ban-ts-comment': 'off',
+      '@typescript-eslint/no-empty-function': 'off',
+      '@typescript-eslint/require-await': 'off',
+
+      '@typescript-eslint/no-unused-vars': [
+        'warn',
+        {
+          args: 'after-used',
+          ignoreRestSiblings: true,
+        },
+      ],
+    },
+  },
+]

package.json

@@ -29,7 +29,7 @@
     "start": "node esbuild.mjs",
     "build": "tsc && NODE_ENV=production node esbuild.mjs",
     "prebuild": "npm run clean",
-    "lint": "eslint --report-unused-disable-directives --max-warnings 0 --ext .js,.ts,.jsx,.tsx src/",
+    "lint": "eslint --report-unused-disable-directives --max-warnings 0 src/",
     "prepack": "npm run build",
     "postversion": "git push --follow-tags"
   },
@@ -43,6 +43,7 @@
   },
   "devDependencies": {
     "@emotion/react": "^11.10.4",
+    "@eslint/compat": "^1.1.0",
     "@fal-works/esbuild-plugin-global-externals": "^2.1.2",
     "@jbrowse/core": "^2.10.1",
     "@jbrowse/plugin-linear-genome-view": "^2.7.0",
@@ -56,7 +57,7 @@
     "@typescript-eslint/eslint-plugin": "^7.0.1",
     "@typescript-eslint/parser": "^7.0.1",
     "esbuild": "^0.21.4",
-    "eslint": "^8.51.0",
+    "eslint": "^9.0.0",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-prettier": "^5.1.0",
     "eslint-plugin-react": "^7.20.3",