venom/.eslintrc.js at main · jondeaves/venom · GitHub

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module.exports = {
  parserOptions: {
    project: './tsconfig.json',
    tsconfigRootDir: __dirname,
  },
  plugins: ['@typescript-eslint', 'eslint-comments', 'jest', 'promise', 'unicorn'],
  extends: [
    'airbnb-typescript',
    'plugin:@typescript-eslint/recommended',
    'plugin:eslint-comments/recommended',
    'plugin:jest/recommended',
    'plugin:promise/recommended',
    'plugin:unicorn/recommended',
    'prettier',
    'prettier/react',
    'prettier/@typescript-eslint',
  ],
  env: {
    node: true,
    browser: true,
    jest: true,
  },
  rules: {
    // Too restrictive, writing ugly code to defend against a very unlikely scenario: https://eslint.org/docs/rules/no-prototype-builtins
    'no-prototype-builtins': 'off',
    // https://basarat.gitbooks.io/typescript/docs/tips/defaultIsBad.html
    'import/prefer-default-export': 'off',
    'import/no-default-export': 'off',
    // Too restrictive: https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/destructuring-assignment.md
    'react/destructuring-assignment': 'off',
    // No jsx extension: https://github.com/facebook/create-react-app/issues/87#issuecomment-234627904
    'react/jsx-filename-extension': 'off',
    // Use function hoisting to improve code readability
    'no-use-before-define': ['error', { functions: false, classes: true, variables: true }],
    // Makes no sense to allow type inferrence for expression parameters, but require typing the response
    '@typescript-eslint/explicit-function-return-type': [
      'error',
      { allowExpressions: true, allowTypedFunctionExpressions: true },
    ],
    '@typescript-eslint/no-use-before-define': [
      'error',
      { functions: false, classes: true, variables: true, typedefs: true },
    ],
    // Common abbreviations are known and readable
    'unicorn/prevent-abbreviations': 'off',
    'unicorn/filename-case': 'off',
    'unicorn/no-fn-reference-in-iterator': 'off',
    'unicorn/no-nested-ternary': 'off',
    'no-underscore-dangle': ['error', { allowAfterThis: true }],
    'class-methods-use-this': 'off',
    '@typescript-eslint/explicit-module-boundary-types': 'off',
  },
  overrides: [
    {
      files: ['*.spec.ts'],
      rules: {
        'jest/valid-expect': 0,
      },
    },
  ],
};