.eslintrc.js

'use strict'

module.exports = {
  env: {
    browser: true,
    es6: true,
    node: true,
  },
  extends: [
    'eslint:recommended',
    'plugin:prettier/recommended',
    'plugin:@typescript-eslint/eslint-recommended',
    'plugin:@typescript-eslint/recommended',
  ],
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 2020,
    sourceType: 'module',
    ecmaFeatures: {
      modules: true,
      impliedStrict: true,
      jsx: true,
    },
    requireConfigFile: false,
    babelOptions: {
      plugins: ['@babel/plugin-syntax-class-properties', '@babel/plugin-syntax-jsx'],
    },
  },
  plugins: ['import', '@typescript-eslint', 'prettier', 'react'],
  rules: {
    '@typescript-eslint/explicit-module-boundary-types': 'error',
    '@typescript-eslint/interface-name-prefix': 'off',
    '@typescript-eslint/member-delimiter-style': 'off',
    '@typescript-eslint/no-empty-interface': 'off',
    'import/order': [
      'error',
      {
        alphabetize: {
          caseInsensitive: true,
          order: 'asc',
        },
      },
    ],
    'no-console': 'error',
    'no-shadow': 'error',
    'no-warning-comments': ['warn', {location: 'start', terms: ['todo', '@todo', 'fixme']}],
    'padding-line-between-statements': [
      'warn',
      {blankLine: 'always', prev: '*', next: 'block'},
      {blankLine: 'always', prev: '*', next: 'block-like'},
      {blankLine: 'always', prev: 'const', next: 'expression'},
      {blankLine: 'always', prev: 'let', next: 'expression'},
      {blankLine: 'always', prev: 'var', next: 'expression'},
      {blankLine: 'always', prev: 'block', next: '*'},
      {blankLine: 'always', prev: 'block-like', next: '*'},
      {blankLine: 'always', prev: '*', next: 'return'},
    ],
    'react/jsx-uses-react': 'error',
    'react/jsx-uses-vars': 'error',
  },
  settings: {
    react: {
      jsxPragma: null,
      jsxFragmentName: 'fragment',
      pragma: 'element',
    },
  },

  overrides: [
    {
      files: ['**/*.js'],
      rules: {
        '@typescript-eslint/explicit-module-boundary-types': 'off',
      },
    },
  ],
}