/** @type {import("eslint").Linter.Config } */ module.exports = { root: true, ignorePatterns: ["node_modules", "dist", "keycloak-theme", "server"], parserOptions: { tsconfigRootDir: __dirname, project: "./tsconfig.eslint.json", extraFileExtensions: [".mjs"], }, env: { node: true, }, plugins: ["lodash"], extends: [ "eslint:recommended", "plugin:react/recommended", "plugin:react/jsx-runtime", "plugin:@typescript-eslint/base", "plugin:@typescript-eslint/eslint-recommended", "plugin:prettier/recommended", ], settings: { react: { version: "detect", }, }, rules: { // Prefer using `includes()` to check if values exist over `indexOf() === -1`, as it's a more appropriate API for this. "@typescript-eslint/prefer-includes": "error", // Prefer using an optional chain expression, as it's more concise and easier to read. "@typescript-eslint/prefer-optional-chain": "error", "no-unused-vars": "off", "@typescript-eslint/no-empty-function": "error", "@typescript-eslint/no-unnecessary-condition": "warn", "@typescript-eslint/no-unused-vars": "error", "lodash/import-scope": ["error", "member"], // react/prop-types cannot handle generic props, so we need to disable it. // https://github.com/yannickcr/eslint-plugin-react/issues/2777#issuecomment-814968432 "react/prop-types": "off", // Prevent fragments from being added that have only a single child. "react/jsx-no-useless-fragment": "error", "prefer-arrow-callback": "error", "prettier/prettier": [ "error", { endOfLine: "auto", }, ], // Prevent default imports from React, named imports should be used instead. "no-restricted-imports": [ "error", { paths: [ { name: "react", importNames: ["default"], }, ], }, ], }, overrides: [ { files: ["*.test.*"], rules: { // For tests it can make sense to pass empty functions as mocks. "@typescript-eslint/no-empty-function": "off", }, }, { files: ["**/cypress/**/*"], extends: ["plugin:cypress/recommended", "plugin:mocha/recommended"], // TODO: Set these rules to "error" when issues have been resolved. rules: { "cypress/no-unnecessary-waiting": "warn", "mocha/max-top-level-suites": "off", "mocha/no-exclusive-tests": "error", "mocha/no-identical-title": "off", "mocha/no-mocha-arrows": "off", "mocha/no-setup-in-describe": "off", }, }, ], };