.eslintrc.json

{
  "extends": [
    "next/core-web-vitals",
    "plugin:@typescript-eslint/recommended",
    "plugin:cypress/recommended",
    "@socialgouv/eslint-config-recommended"
  ],
  "plugins": ["testing-library"],
  "settings": {
    "jest": {
      "version": 27
    }
  },
  "ignorePatterns": [
    "public/scripts/tarteaucitron/tarteaucitron.js",
    "public/scripts/eulerian.yssn.recette.1jeune1solution.gouv.fr.js",
    "public/scripts/eulerian.yssn.1jeune1solution.gouv.fr.js",
    "public/scripts/tarteaucitron/tarteaucitron.service.js",
    "public/scripts/tarteaucitron/lang/*",
    "docs/**/*.tsx",
    "docs/build/*",
    "storybook-static/*"
  ],
  "rules": {
    "prettier/prettier": "off",
    "indent": ["error", "tab", { "SwitchCase": 1 }],
    "semi": "error",
    "comma-dangle": ["error", "always-multiline"],
    "quotes": ["error", "single", { "avoidEscape": true }],
    "object-curly-spacing": ["error", "always"],
    "arrow-parens": "error",
    "eol-last": "error",
    "no-redeclare": "off",
    "no-unused-vars": "off",
    "@typescript-eslint/no-unused-vars": ["error", {
      "args": "after-used",
      "destructuredArrayIgnorePattern": "^_",
      "reportUsedIgnorePattern": true
    }],
    "@typescript-eslint/no-unused-expressions": ["error", {
      "allowTernary": true
    }],
    "@typescript-eslint/ban-ts-comment": [
      "error",
      {
        "ts-ignore": true,
        "ts-expect-error": false
      }
    ],
    "@typescript-eslint/no-namespace": "off",
    "quote-props": ["error", "as-needed"],
    "no-console": "error",
    "import/named": "off",
    "import/no-named-as-default-member": "off",
    "jest/expect-expect": [
      "warn",
      {
        "assertFunctionNames": ["expect", "checkA11y"]
      }
    ],
    "react/jsx-closing-bracket-location": ["error", "after-props"],
    "react/jsx-wrap-multilines": ["error", {
      "declaration": "parens-new-line",
      "assignment": "parens-new-line",
      "return": "parens-new-line",
      "arrow": "parens-new-line",
      "condition": "parens-new-line",
      "logical": "parens-new-line",
      "prop": "parens-new-line"
    }],
    "react/jsx-tag-spacing": ["error", {
      "closingSlash": "never",
      "beforeSelfClosing": "always",
      "afterOpening": "never",
      "beforeClosing": "never"
    }],
    "react/jsx-max-props-per-line": ["error", {
      "maximum": 1,
      "when": "multiline"
    }]
  },
  "overrides": [
    // Only uses Testing Library lint rules in test files
    {
      "files": [
        "tests/client/components/*.tsx",
        "**/?(*.)+(spec|test).[jt]s?(x)"
      ],
      "extends": ["plugin:testing-library/react"]
    },
    {
      "files": [
        "next.config.js",
        "docusaurus.config.js"
      ],
      "rules": {
        "@typescript-eslint/no-var-requires": "off"
      }
    },
    {
      "files": ["*.cy.ts"],
      "rules": {
        "jest/expect-expect": "off"
      }
    }
  ]
}