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Merged
merged 2 commits into from
Oct 4, 2025
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front: migrate to ESLint flat config #13135

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cbd7ec2
ui: upgrade @rollup/plugin-eslint to v9.1
emersion Oct 4, 2025
8cd1875
front: migrate to ESLint flat config
emersion Sep 9, 2025
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195 changes: 0 additions & 195 deletions front/.eslintrc
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186 changes: 186 additions & 0 deletions front/eslint.config.js
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import js from '@eslint/js';
import importPlugin from 'eslint-plugin-import';
import jsxA11yPlugin from 'eslint-plugin-jsx-a11y';
import prettierPluginRecommended from 'eslint-plugin-prettier/recommended';
import reactPlugin from 'eslint-plugin-react';
import reactHooksPlugin from 'eslint-plugin-react-hooks';
import tseslint from 'typescript-eslint';
import vitestPlugin from 'eslint-plugin-vitest';

export default [
{
files: ['**/*.ts', '**/*.tsx', '**/*.js'],
ignores: [
'src/common/api/generatedEditoastApi.ts',
'src/common/api/osrdGatewayApi.ts',
'public',
'build',
'playwright-report',
'ui',
],
},
...tseslint.config(js.configs.recommended, ...tseslint.configs.recommended),
prettierPluginRecommended,
importPlugin.flatConfigs.recommended,
importPlugin.flatConfigs.typescript,
reactPlugin.configs.flat.recommended,
reactHooksPlugin.configs['recommended-latest'],
vitestPlugin.configs.recommended,
jsxA11yPlugin.flatConfigs.recommended,
{
languageOptions: {
parserOptions: {
projectService: true,
tsconfigRootDir: import.meta.dirname,
ecmaVersion: 'latest',
},
},
settings: {
react: {
version: 'detect',
},
'import/resolver': {
node: {
paths: ['src'],
moduleDirectory: ['node_modules', 'src'],
},
typescript: true, // uses eslint-import-resolver-typescript
},
},
rules: {
'import/no-named-as-default': 'off',
'import/no-named-as-default-member': 'off',
'react-hooks/exhaustive-deps': 'off',
'import/order': [
'error',
{
groups: ['builtin', 'external', 'internal'],
pathGroups: [
{
pattern: 'react',
group: 'builtin',
position: 'before',
},
],
pathGroupsExcludedImportTypes: ['react'],
'newlines-between': 'always',
alphabetize: {
order: 'asc',
caseInsensitive: true,
},
},
],
'no-shadow': 'off',
'@typescript-eslint/consistent-type-definitions': ['error', 'type'],
'@typescript-eslint/consistent-type-imports': ['error', { fixStyle: 'inline-type-imports' }],
'@typescript-eslint/no-shadow': 'error',
'@typescript-eslint/no-use-before-define': 'error',
'@typescript-eslint/no-unnecessary-type-assertion': 'error',
'@typescript-eslint/no-unsafe-return': 'error',
'@typescript-eslint/no-unsafe-call': 'error',
'@typescript-eslint/non-nullable-type-assertion-style': 'error',

'@typescript-eslint/no-restricted-types': [
'error',
{
types: {
LegacyFilterSpecification: {
message: 'Use ExpressionFilterSpecification instead',
fixWith: 'ExpressionFilterSpecification',
},
'React.FC':
'Useless and has some drawbacks, see https://github.com/facebook/create-react-app/pull/8177',
FC: 'Useless and has some drawbacks, see https://github.com/facebook/create-react-app/pull/8177',
'React.FunctionComponent':
'Useless and has some drawbacks, see https://github.com/facebook/create-react-app/pull/8177',
'React.FunctionalComponent':
'Preact specific, useless and has some drawbacks, see https://github.com/facebook/create-react-app/pull/8177',
},
},
],
'arrow-body-style': ['error', 'as-needed'],
'global-require': 'off',
'import/extensions': [
'error',
'ignorePackages',
{
js: 'never',
jsx: 'never',
ts: 'never',
tsx: 'never',
},
],
'import/no-extraneous-dependencies': [
'error',
{
devDependencies: [
'**/*.spec.ts',
'**/__tests__/**',
'tests/**',
'scripts/**',
'playwright.config.ts',
'vite.config.ts',
],
},
],
'jsx-a11y/click-events-have-key-events': 'off',
'linebreak-style': ['error', 'unix'],
'no-await-in-loop': 'off',
'no-console': ['error', { allow: ['info', 'debug', 'warn', 'error'] }],
'no-continue': 'off',
'no-named-as-default': 'off',
'no-param-reassign': 'off',
'no-use-before-define': 'off',
'no-restricted-syntax': 'off',
'prettier/prettier': ['warn'],
'react/forbid-prop-types': 'off',
'react/jsx-filename-extension': 'off',
'react/jsx-no-useless-fragment': 'error',
'react/jsx-props-no-spreading': 0,
'react/jsx-uses-react': 'off',
'react/react-in-jsx-scope': 'off',
'react/prefer-stateless-function': 'off',
'react/static-property-placement': 0,
// disable vitest/prefer-to-be because it does not authorize toEqual for the floats
'vitest/prefer-to-be': 'off',
'no-restricted-imports': [
'error',
{
name: 'common/api/generatedEditoastApi',
message: 'Please use common/api/osrdEditoastApi instead',
},
],

'@typescript-eslint/no-explicit-any': 2,
'@typescript-eslint/explicit-module-boundary-types': 0,
'@typescript-eslint/space-before-blocks': 0,
camelcase: 0,
'no-nonoctal-decimal-escape': 0,
'no-param-reassign': 0,
'no-unsafe-optional-chaining': 0,
'object-curly-newline': 0,
'react/function-component-definition': 0,
'react/jsx-props-no-spreading': 0,
'react/no-array-index-key': 0,
'react/require-default-props': 0,

'@typescript-eslint/no-unused-vars': [
'warn',
{ argsIgnorePattern: '^_', varsIgnorePattern: '^_' },
],
},
},
{
files: ['src/common/api/generatedEditoastApi.ts', 'src/common/api/osrdGatewayApi.ts'],
rules: {
'@typescript-eslint/no-explicit-any': ['error', { fixToUnknown: true }],
},
},
{
files: ['tests/**/*.ts', 'tests/**/*.tsx'],
rules: {
'@typescript-eslint/no-floating-promises': 'error',
'react-hooks/rules-of-hooks': 'off',
},
},
];
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