.eslintrc.js

module.exports = {
  parser: '@typescript-eslint/parser',
  plugins: ['@typescript-eslint', 'prettier'],
  extends: [
    'plugin:@typescript-eslint/recommended',
    'plugin:import/errors',
    'plugin:import/warnings',
    'plugin:import/typescript',
    'plugin:prettier/recommended',
  ],
  settings: {
    'import/parsers': {
      '@typescript-eslint/parser': ['.ts', '.tsx'],
    },
    'import/resolver': {
      typescript: {},
    },
  },
  rules: {
    '@typescript-eslint/no-this-alias': 'off',
    '@typescript-eslint/member-delimiter-style': [
      'off',
      {
        // Prevents us from using any delimiter for interface properties.
        multiline: {
          delimiter: 'comma',
          requireLast: false,
        },
        singleline: {
          delimiter: 'comma',
          requireLast: false,
        },
      },
    ],
    'max-len': ['error', { code: 120 }],
    indent: ['error', 2, { SwitchCase: 1 }],
    'comma-dangle': [
      'error',
      {
        arrays: 'always-multiline',
        objects: 'always-multiline',
        imports: 'never',
        exports: 'never',
        functions: 'only-multiline',
      },
    ],
    '@typescript-eslint/no-unused-vars': [
      'error',
      {
        argsIgnorePattern: '^_',
        ignoreRestSiblings: true,
      },
    ],
    'require-jsdoc': [
      1,
      {
        require: {
          FunctionDeclaration: true,
          MethodDefinition: false,
          ClassDeclaration: true,
          ArrowFunctionExpression: false,
          FunctionExpression: false,
        },
      },
    ],
  },
  root: true,
}