storybook/code/.eslintrc.js

const path = require('path');
const fs = require('fs');

const scriptPath = path.join(__dirname, '..', 'scripts');

const addonsPackages = fs
  .readdirSync(path.join(__dirname, 'addons'))
  .filter((p) => fs.statSync(path.join(__dirname, 'addons', p)).isDirectory());
const libPackages = fs
  .readdirSync(path.join(__dirname, 'lib'))
  .filter((p) => fs.statSync(path.join(__dirname, 'lib', p)).isDirectory());
const uiPackages = fs
  .readdirSync(path.join(__dirname, 'ui'))
  .filter((p) => fs.statSync(path.join(__dirname, 'ui', p)).isDirectory())
  .filter((p) => !p.startsWith('.'));

module.exports = {
  root: true,
  extends: [path.join(scriptPath, '.eslintrc.cjs')],
  parserOptions: {
    tsconfigRootDir: __dirname,
    project: ['./tsconfig.json'],
  },
  plugins: ['local-rules'],
  rules: {
    'eslint-comments/disable-enable-pair': ['error', { allowWholeFile: true }],
    'eslint-comments/no-unused-disable': 'error',
    'react-hooks/rules-of-hooks': 'off',
    'import/extensions': 'off', // for mjs, we sometimes need extensions
    'jest/no-done-callback': 'off',
    '@typescript-eslint/dot-notation': [
      'error',
      {
        allowIndexSignaturePropertyAccess: true,
      },
    ],
    '@typescript-eslint/no-restricted-imports': [
      'error',
      {
        paths: [
          {
            name: 'vite',
            message: 'Please dynamically import from vite instead, to force the use of ESM',
            allowTypeImports: true,
          },
        ],
      },
    ],
  },
  overrides: [
    {
      // this package depends on a lot of peerDependencies we don't want to specify, because npm would install them
      files: ['**/frameworks/angular/template/**/*'],
      rules: {
        '@typescript-eslint/no-useless-constructor': 'off',
        '@typescript-eslint/dot-notation': 'off',
      },
    },
    {
      // this package depends on a lot of peerDependencies we don't want to specify, because npm would install them
      files: ['**/addons/docs/**/*'],
      rules: {
        'import/no-extraneous-dependencies': 'off',
      },
    },
    {
      files: [
        '*.js',
        '*.jsx',
        '*.json',
        '*.html',
        '**/.storybook/*.ts',
        '**/.storybook/*.tsx',
        'setup-jest.ts',
      ],
      parserOptions: {
        project: null,
      },
      rules: {
        '@typescript-eslint/dot-notation': 'off',
        '@typescript-eslint/no-implied-eval': 'off',
        '@typescript-eslint/no-throw-literal': 'off',
        '@typescript-eslint/return-await': 'off',
      },
    },
    {
      // this package depends on a lot of peerDependencies we don't want to specify, because npm would install them
      files: ['**/*.ts', '**/*.tsx'],
      rules: {
        'no-shadow': 'off',
        '@typescript-eslint/ban-types': 'warn', // should become error, in the future
      },
    },
    {
      // this package depends on a lot of peerDependencies we don't want to specify, because npm would install them
      files: ['**/builder-vite/**/*.html'],
      rules: {
        '@typescript-eslint/no-unused-expressions': 'off', // should become error, in the future
      },
    },
    {
      // these packages use pre-bundling, dependencies will be bundled, and will be in devDepenencies
      files: ['frameworks/**/*', 'builders/**/*', 'deprecated/**/*', 'renderers/**/*'],
      excludedFiles: ['frameworks/angular/**/*', 'frameworks/ember/**/*', 'lib/core-server/**/*'],
      rules: {
        'import/no-extraneous-dependencies': [
          'error',
          { bundledDependencies: false, devDependencies: true },
        ],
      },
    },
    {
      files: ['**/ui/.storybook/**'],
      rules: {
        'import/no-extraneous-dependencies': [
          'error',
          { packageDir: [__dirname], devDependencies: true },
        ],
      },
    },
    ...addonsPackages.map((directory) => ({
      files: [path.join('**', 'addons', directory, '**', '*.*')],
      rules: {
        'import/no-extraneous-dependencies': [
          'error',
          {
            packageDir: [__dirname, path.join(__dirname, 'addons', directory)],
            devDependencies: true,
          },
        ],
      },
    })),
    ...uiPackages.map((directory) => ({
      files: [path.join('**', 'ui', directory, '**', '*.*')],
      rules: {
        'import/no-extraneous-dependencies': [
          'error',
          { packageDir: [__dirname, path.join(__dirname, 'ui', directory)], devDependencies: true },
        ],
      },
    })),
    ...libPackages.map((directory) => ({
      files: [path.join('**', 'lib', directory, '**', '*.*')],
      rules: {
        'import/no-extraneous-dependencies': [
          'error',
          {
            packageDir: [__dirname, path.join(__dirname, 'lib', directory)],
            devDependencies: true,
          },
        ],
      },
    })),
    {
      files: [
        '**/__tests__/**',
        '**/__testfixtures__/**',
        '**/*.test.*',
        '**/*.stories.*',
        '**/storyshots-*/**/stories/**',
      ],
      rules: {
        '@typescript-eslint/no-empty-function': 'off',
        'import/no-extraneous-dependencies': 'off',
      },
    },
    {
      files: ['**/__testfixtures__/**'],
      rules: {
        'react/forbid-prop-types': 'off',
        'react/no-unused-prop-types': 'off',
        'react/require-default-props': 'off',
      },
    },
    {
      files: ['**/*.stories.*'],
      rules: {
        'no-console': 'off',
      },
    },
    {
      files: ['**/renderers/preact/**/*'],
      rules: {
        'react/react-in-jsx-scope': 'off',
        'react/prop-types': 'off',
      },
    },
    {
      files: ['**/*.tsx', '**/*.ts'],
      rules: {
        'no-shadow': 'off',
        '@typescript-eslint/ban-types': 'warn', // should become error, in the future
        'react/require-default-props': 'off',
        'react/prop-types': 'off', // we should use types
        'react/forbid-prop-types': 'off', // we should use types
        'no-dupe-class-members': 'off', // this is called overloads in typescript
        'react/no-unused-prop-types': 'off', // we should use types
        'react/default-props-match-prop-types': 'off', // we should use types
        'import/no-named-as-default': 'warn',
        'import/no-named-as-default-member': 'warn',
        'react/destructuring-assignment': 'warn',

        // This warns about importing interfaces and types in a normal import, it's arguably better to import with the `type` prefix separate from the runtime imports,
        // I leave this as a warning right now because we haven't really decided yet, and the codebase is riddled with errors if I set to 'error'.
        // It IS set to 'error' for JS files.
        'import/named': 'warn',
      },
    },
    {
      files: ['**/*.d.ts'],
      rules: {
        'vars-on-top': 'off',
        'no-var': 'off', // this is how typescript works
        'spaced-comment': 'off',
      },
    },
    {
      files: ['**/e2e-tests/**/*'],
      rules: {
        'jest/no-test-callback': 'off', // These aren't jest tests
      },
    },
    {
      files: ['**/builder-vite/input/iframe.html'],
      rules: {
        'no-undef': 'off', // ignore "window" undef errors
      },
    },
    {
      // Because those templates reference css files in other directory.
      files: ['**/template/cli/**/*'],
      rules: {
        'import/no-unresolved': 'off',
      },
    },
    {
      files: ['**/*.ts', '!**/*.test.*', '!**/*.spec.*'],
      rules: {
        'local-rules/no-uncategorized-errors': 'warn',
      },
    },
    {
      files: ['**/core-events/src/**/*'],
      excludedFiles: ['**/*.test.*'],
      rules: {
        'local-rules/no-duplicated-error-codes': 'error',
      },
    },
  ],
};