initial: server + shared

server/eslint.config.js

@@ -0,0 +1,64 @@
+import eslint from '@eslint/js'
+import eslintConfigPrettier from 'eslint-config-prettier'
+import importX from 'eslint-plugin-import-x'
+import eslintPluginPrettier from 'eslint-plugin-prettier'
+import globals from 'globals'
+
+export default [
+  {
+    ignores: ['node_modules/**'],
+  },
+  eslint.configs.recommended,
+  importX.flatConfigs.recommended,
+  {
+    files: ['**/*.{js,mjs,cjs}'],
+    languageOptions: {
+      globals: { ...globals.node, ...globals.es2021 },
+    },
+    rules: {
+      'no-console': ['error', { allow: ['warn', 'error', 'info'] }],
+      quotes: ['error', 'single', { avoidEscape: true, allowTemplateLiterals: false }],
+      'max-len': [
+        'warn',
+        {
+          code: 120,
+          ignoreStrings: true,
+          ignoreTrailingComments: true,
+          ignoreTemplateLiterals: true,
+          ignoreComments: true,
+        },
+      ],
+      'import-x/extensions': 'off',
+      'import-x/prefer-default-export': 'off',
+      'import-x/no-extraneous-dependencies': 'off',
+      'import-x/no-cycle': 'warn',
+      'import-x/order': [
+        'warn',
+        {
+          groups: ['builtin', 'external', 'internal', 'parent', 'sibling', 'index', 'object', 'type'],
+          'newlines-between': 'never',
+          alphabetize: { order: 'asc', caseInsensitive: true },
+        },
+      ],
+      'no-unused-vars': ['error', { args: 'none' }],
+      'no-shadow': 'off',
+      'consistent-return': 'off',
+      'no-use-before-define': 'error',
+      'no-empty-function': 'warn',
+      'class-methods-use-this': 'warn',
+    },
+  },
+  {
+    plugins: { prettier: eslintPluginPrettier },
+    rules: { 'prettier/prettier': ['warn', { endOfLine: 'lf' }] },
+  },
+  eslintConfigPrettier,
+  {
+    files: ['eslint.config.js'],
+    rules: {
+      'import-x/no-unresolved': 'off',
+      'import-x/no-named-as-default': 'off',
+      'import-x/no-named-as-default-member': 'off',
+    },
+  },
+]