Feature/flat config

.eslintignore

@@ -5,8 +5,6 @@ dist/
 .vscode/
 node_modules/
 coverage/
-!.eslintrc.js
-!.prettierrc.js
 !*.js
 !*.ts
 !.vscode/*.json

.vscode/settings.json

@@ -5,9 +5,16 @@
  ],
  "editor.formatOnSave": true,
  "editor.defaultFormatter": "dbaeumer.vscode-eslint",
+ "editor.codeActionsOnSave": {
+ "source.organizeImports": "never"
+ },
  "[javascript,typescript]": {
- "editor.defaultFormatter": "dbaeumer.vscode-eslint"
+ "editor.defaultFormatter": "dbaeumer.vscode-eslint",
+ "editor.codeActionsOnSave": {
+ "source.organizeImports": "never"
+ },
  },
+ "eslint.experimental.useFlatConfig": true,
  "jest.jestCommandLine": "npm test -- ",
  "jest.runMode": {
  "type": "on-demand"

eslint.config.js

@@ -0,0 +1,171 @@
+const stylistic = require('@stylistic/eslint-plugin');
+const js = require('@eslint/js');
+const tseslint = require('typescript-eslint');
+
+const ts = require('@typescript-eslint/eslint-plugin');
+const tsParser = require('@typescript-eslint/parser');
+// When it works again do `npm install --save-dev eslint-plugin-import`
+// const imprt = require('eslint-plugin-import');
+// https://github.com/eslint/eslint/issues/18087
+// https://github.com/import-js/eslint-plugin-import/pull/2829
+const globals = require('globals');
+const jest = require('eslint-plugin-jest');
+const off = 'off';
+
+const warn = 'warn';
+
+const error = 'error';
+
+// const TEST_ONLY_IMPORTS = ['fast-check', 'jest'];
+
+/**
+ * set of typescript-eslint any rules
+ * @param {'error' | 'warn' | 'off'} level
+ * @returns
+ */
+const any_rules = (level) => {
+ return {
+ '@typescript-eslint/no-unsafe-return': level,
+ '@typescript-eslint/no-var-requires': level,
+ '@typescript-eslint/no-unsafe-member-access': level,
+ '@typescript-eslint/no-unsafe-assignment': level,
+ '@typescript-eslint/no-unsafe-argument': level,
+ '@typescript-eslint/no-unsafe-call': level,
+ '@typescript-eslint/no-explicit-any': level,
+ };
+};
+
+module.exports = [
+ js.configs.recommended,
+ ...tseslint.configs.recommended,
+ {
+ languageOptions: {
+ globals: globals.node,
+ parser: tsParser,
+ parserOptions: {
+ ecmaVersion: 2022,
+ sourceType: 'module',
+ tsconfigRootDir: __dirname,
+ project: [
+ './tsconfig.eslint.json',
+ './tsconfig.json',
+ '/tsconfig.prod.json',
+ ],
+ },
+ },
+ },
+ stylistic.configs['recommended-flat'],
+ stylistic.configs.customize({
+ // the following options are the default values
+ semi: true,
+ }),
+ {
+ languageOptions: { parser: tsParser },
+ plugins: {
+ // 'import': imprt,
+ '@stylistic': stylistic,
+ ts,
+ },
+ },
+ {
+ ignores: [
+ '**/node_modules',
+ '**/dist',
+ '**/build',
+ '**/__snapshots__',
+ '**/mocks',
+ '**/coverage',
+ '**/report',
+ ],
+ },
+ {
+ rules: {
+ ...ts.configs['eslint-recommended'].rules,
+ ...ts.configs['recommended'].rules,
+ ...ts.configs['recommended-requiring-type-checking'].rules,
+ // ...imprt.configs['errors'].rules,
+ // ...imprt.configs['warnings'].rules,
+ // ...imprt.configs['typescript'].rules,
+ // "import/no-extraneous-dependencies": error,
+ 'no-console': error,
+ '@typescript-eslint/return-await': ['error', 'always'],
+ 'no-unused-vars': off,
+ '@typescript-eslint/no-unused-vars': error,
+ 'eqeqeq': [error, 'smart'],
+ 'no-else-return': [
+ error,
+ {
+ allowElseIf: true,
+ },
+ ],
+ '@typescript-eslint/require-await': error,
+ '@typescript-eslint/unbound-method': [
+ error,
+ {
+ ignoreStatic: true,
+ },
+ ],
+ // See https://github.com/orgs/react-hook-form/discussions/8622#discussioncomment-4060570
+ '@typescript-eslint/no-misused-promises': [
+ error,
+ {
+ checksVoidReturn: {
+ attributes: false,
+ },
+ },
+ ],
+ // 'no-restricted-imports': [
+ // 'error',
+ // {
+ // paths: TEST_ONLY_IMPORTS.map((name) => {
+ // return { name,
+ // message: `${name} is only available during testing` };
+ // }),
+ // patterns: TEST_ONLY_IMPORTS.map(dep => `${dep}/*`),
+ // },
+ // ],
+ '@typescript-eslint/explicit-member-accessibility': warn,
+ '@typescript-eslint/no-explicit-any': warn,
+ '@typescript-eslint/explicit-function-return-type': off,
+ // '@typescript-eslint/no-var-requires': off,
+ '@typescript-eslint/no-empty-function': off,
+ '@typescript-eslint/no-floating-promises': error,
+ },
+ },
+ {
+ files: ['.*.js', '.*.cjs', '*.config.cjs', '*.config.js', '*.config.ts'],
+ rules: {
+ 'no-restricted-imports': off,
+ // Consider if this is too leanient for tests
+ ...any_rules('off'),
+ },
+ },
+ {
+ files: [
+ '**/*.test.js',
+ '**/*.spec.js',
+ '**/*.test.ts',
+ '**/*.spec.ts',
+ 'tests/**/*.js',
+ 'tests/**/*.ts',
+ '__tests__/**/*.js',
+ '__tests__/**/*.ts',
+ 'jest.*.js',
+ 'jest.*.ts',
+ ],
+ // https://eslint.org/docs/user-guide/configuring#specifying-environments
+ languageOptions: { globals: globals.jest },
+ plugins: { jest },
+ rules: {
+ ...jest.configs['recommended'].rules,
+ // 'no-restricted-imports': off,
+ 'jest/expect-expect': [
+ error,
+ {
+ assertFunctionNames: ['expect', 'fc.assert'],
+ },
+ ],
+ ...any_rules('off'),
+ },
+ },
+];