chore: migrate eslint v9

Author: peterpeterparker

.eslintignore

@@ -0,0 +1,62 @@
+import {FlatCompat} from '@eslint/eslintrc';
+import js from '@eslint/js';
+import love from 'eslint-config-love';
+import globals from 'globals';
+import path from 'node:path';
+import {fileURLToPath} from 'node:url';
+
+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: ['**/dist', '**/templates']
+  },
+  {
+    ...love,
+    files: ['**/*.js', '**/*.ts']
+  },
+  ...compat.extends('plugin:prettier/recommended'),
+  {
+    languageOptions: {
+      globals: {
+        ...globals.node
+      },
+
+      ecmaVersion: 'latest',
+      sourceType: 'module',
+
+      parserOptions: {
+        project: ['./tsconfig.json'],
+        warnOnUnsupportedTypeScriptVersion: false
+      }
+    },
+
+    rules: {
+      '@typescript-eslint/explicit-function-return-type': 'off',
+      '@typescript-eslint/ban-ts-comment': 'off',
+      '@typescript-eslint/no-misused-promises': 'off',
+      '@typescript-eslint/naming-convention': 'off',
+      '@typescript-eslint/prefer-nullish-coalescing': 'off',
+      '@typescript-eslint/no-non-null-assertion': 'off',
+      '@typescript-eslint/no-magic-numbers': 'off',
+      '@typescript-eslint/no-redundant-type-constituents': 'off',
+      '@typescript-eslint/no-unsafe-assignment': 'off',
+      'eslint-comments/require-description': 'off',
+      complexity: 'off',
+      '@typescript-eslint/no-unused-vars': [
+        'warn',
+        {
+          argsIgnorePattern: '^_',
+          varsIgnorePattern: '^_',
+          caughtErrorsIgnorePattern: '^_'
+        }
+      ]
+    }
+  }
+];