.eslintrc.js

/*
👋 Hi! This file was autogenerated by tslint-to-eslint-config.
https://github.com/typescript-eslint/tslint-to-eslint-config

It represents the closest reasonable ESLint configuration to this
project's original TSLint configuration.

We recommend eventually switching this configuration to extend from
the recommended rulesets in typescript-eslint.
https://github.com/typescript-eslint/tslint-to-eslint-config/blob/master/docs/FAQs.md

Happy linting! 💖
*/
module.exports = {
  env: {
    node: true,
    jest: true,
  },
  parser: '@typescript-eslint/parser',
  parserOptions: {
    tsconfigRootDir: __dirname,
    sourceType: 'module',
    project: [
      './tsconfig.json',
      './packages/*/tsconfig.json',
    ],
    warnOnUnsupportedTypeScriptVersion: false,
    EXPERIMENTAL_useSourceOfProjectReferenceRedirect: true,
  },
  plugins: ['@typescript-eslint', 'header', 'import', 'sort-destructure-keys'],
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:@typescript-eslint/recommended-requiring-type-checking',
  ],
  rules: {
    // rules turned off in upstream project (also required when recommended-requiring-type-checking is extended)
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/no-unsafe-assignment': 'off',
    '@typescript-eslint/no-unsafe-call': 'off',
    '@typescript-eslint/no-unsafe-member-access': 'off',
    '@typescript-eslint/no-unsafe-return': 'off',
    '@typescript-eslint/no-unnecessary-type-assertion': 'off',
    '@typescript-eslint/restrict-plus-operands': 'off',
    '@typescript-eslint/restrict-template-expressions': 'off',
    // Support recommended-requiring-type-checking (specific to this project) set them as warning
    '@typescript-eslint/unbound-method': 'warn',
    '@typescript-eslint/no-floating-promises': 'warn',
    // Making affected recommended types as warning for now
    '@typescript-eslint/explicit-module-boundary-types': 'warn',
    '@typescript-eslint/no-explicit-any': 'warn',
    '@typescript-eslint/no-var-requires': 'warn',
    '@typescript-eslint/no-unused-vars': 'warn',
    '@typescript-eslint/ban-ts-comment': 'warn',
    '@typescript-eslint/ban-types': 'warn',
    '@typescript-eslint/no-inferrable-types': 'warn',
    '@typescript-eslint/await-thenable': 'error',
    '@typescript-eslint/dot-notation': 'error',
    '@typescript-eslint/explicit-member-accessibility': [
      'error',
      {
        accessibility: 'no-public',
      },
    ],
    '@typescript-eslint/no-namespace': ['error', {allowDeclarations: true}],
    // "@typescript-eslint/member-ordering": "error",
    // "@typescript-eslint/naming-convention": "error",
    // "@typescript-eslint/no-param-reassign": "error",
    '@typescript-eslint/promise-function-async': ['error', { checkArrowFunctions: false }],
    // "arrow-body-style": "error",
    complexity: 'error',
    curly: ['error', 'multi-line'],
    'default-case': 'error',
    eqeqeq: ['error', 'always'],
    'import/no-extraneous-dependencies': 'off',
    'import/order': ['error', {
      alphabetize: {
        order: 'asc', /* sort in ascending order. Options: ['ignore', 'asc', 'desc'] */
        caseInsensitive: true /* ignore case. Options: [true, false] */
      }
    }],
    'header/header': [2, 'line', [//Copyright 2020-2021 OnFinality Limited authors & contributors
      { pattern: ' Copyright \\d{4}(-\\d{4})? OnFinality Limited authors & contributors' },
      ' SPDX-License-Identifier: Apache-2.0'
    ], 2],
    'sort-destructure-keys/sort-destructure-keys': [2, {
      caseSensitive: true
    }],
    'no-console': 'off',
    'no-duplicate-imports': 'error',
    // "no-magic-numbers": "error",
    'no-return-await': 'error',
    'no-undef-init': 'error',
    'prefer-template': 'error',
    'use-isnan': 'error',
  },
  settings: {
    'import/extensions': ['.js', '.ts'],
    'import/parsers': {
      '@typescript-eslint/parser': ['.ts', '.tsx']
    },
  }
};