.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es6: true,
    es2021: true,
    node: true,
  },
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/recommended',
    'prettier',
    'plugin:prettier/recommended',
    'preact',
  ],
  globals: {
    NodeJS: true,
    Nullable: true,
    preact: true,
  },
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },
    ecmaVersion: 13,
    sourceType: 'module',
  },
  plugins: ['@typescript-eslint', 'prettier'],
  rules: {
    'prettier/prettier': [
      'error',
      {
        singleQuote: true,
        endOfLine: 'auto',
      },
    ],
    semi: 0,
    'linebreak-style': 0,
    'max-len': [
      'error',
      {
        code: 100,
        ignoreComments: true,
        ignoreTrailingComments: true,
        ignoreUrls: true,
        ignoreStrings: true,
        ignoreTemplateLiterals: true,
      },
    ],
    'no-unused-vars': 'off',
    '@typescript-eslint/no-unused-vars': ['error'],
    // 'no-console': 2,
    '@typescript-eslint/no-var-requires': 0,
    'react-hooks/exhaustive-deps': 0,
  },
}