.eslintrc.js

'use strict';

module.exports = {
  env: {
    browser: true,
    node: true,
    jest: true,
  },
  parser: '@typescript-eslint/parser',
  parserOptions: {
    requireConfigFile: false,
    sourceType: 'module',
  },
  extends: [
    'eslint:recommended',
    'airbnb',
    'plugin:jsx-a11y/recommended',
    'prettier',
    'plugin:jsdoc/recommended',
    'plugin:@typescript-eslint/recommended',
  ],
  plugins: [
    '@babel',
    'jsx-a11y',
    'prettier',
    'jsdoc',
    'react-hooks',
    'testing-library',
    'jest-dom',
    'simple-import-sort',
  ],
  settings: {
    'import/resolver': {
      node: {
        extensions: ['.js', '.jsx', '.ts', '.tsx'],
      },
    },
  },
  rules: {
    // .jsx rules
    'react/jsx-filename-extension': [
      1,
      {extensions: ['.js', '.jsx', '.ts', '.tsx']},
    ],
    'import/extensions': 'off',
    'react/jsx-indent': ['error', 2],
    'react/prop-types': 'off',
    'react-hooks/rules-of-hooks': ['error'],
    'react-hooks/exhaustive-deps': ['warn'],
    // .js rules
    'strict': 'off',
    'semi': ['error', 'always'],
    'indent': [
      'error',
      2,
      {
        ignoredNodes: ['JSXElement'],
        SwitchCase: 1,
      },
    ],
    'init-declarations': 'off',
    'no-undef-init': 'off',
    'comma-dangle': ['error', 'always-multiline'],
    'brace-style': ['error', '1tbs'],
    'multiline-comment-style': ['error', 'separate-lines'],
    'dot-notation': 'off',
    'quote-props': ['error', 'consistent'],
    'no-multi-spaces': ['error', {ignoreEOLComments: true}],
    'no-whitespace-before-property': 'error',
    'space-before-blocks': ['error', 'always'],
    'space-before-function-paren': [
      'error',
      {
        anonymous: 'never',
        named: 'never',
        asyncArrow: 'always',
      },
    ],
    'no-spaced-func': 'off',
    'func-call-spacing': ['error', 'never'],
    'func-names': 'off',
    'block-spacing': ['error', 'always'],
    'keyword-spacing': ['error', {before: true, after: true}],
    'object-curly-spacing': ['error', 'never'],
    'object-curly-newline': ['error', {consistent: true}],
    'space-infix-ops': 'error',
    'space-unary-ops': 'error',
    'space-in-parens': 'error',
    'no-nested-ternary': 'error',
    'padded-blocks': ['error', 'never'],
    'eol-last': ['error', 'always'],
    'semi-style': ['error', 'last'],
    'eqeqeq': 'error',
    'quotes': ['error', 'single', {avoidEscape: true}],
    'no-unused-vars': 'off',
    '@typescript-eslint/no-unused-vars': ['error'],
    'new-parens': 'error',
    'new-cap': ['error'],
    'no-var': 'error',
    'prefer-const': [
      'error',
      {
        destructuring: 'any',
        ignoreReadBeforeAssign: false,
      },
    ],
    'no-warning-comments': ['warn', {terms: ['fixme']}],
    'lines-between-class-members': 'error',
    'no-multiple-empty-lines': ['error', {max: 1}],
    'import/newline-after-import': ['off', {count: 1}],
    'prefer-template': 'off',
    'curly': ['error', 'all'],
    'no-plusplus': 'off',
    'no-restricted-properties': 'off',
    'prefer-destructuring': 'off',
    'class-methods-use-this': 'off',
    'no-param-reassign': 'off',
    'max-len': 'off',
    'no-return-await': 'off',
    'array-bracket-spacing': 'off',
    'radix': 'off',
    'camelcase': 'off',
    'no-lonely-if': 'off',
    'no-mixed-operators': 'off',
    'no-shadow': 'off',
    'no-useless-concat': 'off',
    'no-continue': 'off',
    'no-else-return': 'off',
    'no-unneeded-ternary': 'off',
    'operator-assignment': 'off',
    'no-underscore-dangle': 'off',
    'consistent-return': 'off',
    'no-await-in-loop': 'off',
    'jsx-a11y/click-events-have-key-events': 'warn',
    'jsx-a11y/no-static-element-interactions': 'warn',
    'arrow-spacing': ['warn', {before: true, after: true}],
    'arrow-parens': ['error', 'always'],
    'key-spacing': ['error', {beforeColon: false, afterColon: true}],
    'comma-spacing': ['warn', {before: false, after: true}],
    'import/no-extraneous-dependencies': ['error', {devDependencies: true}],
    'import/prefer-default-export': 'off',
    'jsdoc/require-jsdoc': 'off',
    '@typescript-eslint/type-annotation-spacing': [
      'error',
      {
        before: false,
        after: true,
        overrides: {
          arrow: {
            before: true,
          },
        },
      },
    ],
    '@typescript-eslint/member-delimiter-style': [
      'error',
      {
        multiline: {
          delimiter: 'semi',
          requireLast: true,
        },
        singleline: {
          delimiter: 'semi',
          requireLast: true,
        },
        multilineDetection: 'brackets',
      },
    ],
    '@typescript-eslint/object-curly-spacing': ['error', 'never'],
  },
};