.eslintrc.js

const OFF = 0;
const WARN = 1;
const ERROR = 2;

module.exports = {
  env: {
    browser: true,
    es6: true,
    'jest/globals': true,
  },
  extends: ['plugin:vue/essential', 'airbnb-base', 'eslint:recommended', 'prettier'],
  globals: {
    Atomics: 'readonly',
    SharedArrayBuffer: 'readonly',
  },
  parserOptions: {
    ecmaVersion: 2018,
    parser: '@typescript-eslint/parser',
    sourceType: 'module',
  },
  plugins: ['vue', '@typescript-eslint', 'jest'],
  rules: {
    'prefer-arrow-callback': OFF,
    'brace-style': OFF,
    'generator-star-spacing': OFF,
    indent: OFF,

    'vue/multi-word-component-names': OFF,

    // "variable-name": [ERROR, "ban-keywords", "check-format", "allow-leading-underscore", "allow-pascal-case"], // We do imports where our files are suffixed .vue and this rule would expect we import as e.g. MainVue
    'import-name': OFF,
    // TODO: fix instances instead
    'no-increment-decrement': OFF,
    // This is no longer required on refactor/mutation-names branch TODO: remove
    'function-name': OFF,
    'no-boolean-literal-compare': OFF,

    // these rules have been disable after the migration from tslint
    // TODO: make decision about what rules we should enable
    'linebreak-style': OFF,
    'no-shadow': OFF,
    'consistent-return': OFF,
    'function-paren-newline': OFF,
    'implicit-arrow-linebreak': OFF,
    'arrow-parens': OFF,
    'prefer-destructuring': OFF,
    'dot-notation': OFF,
    'lines-between-class-members': OFF,
    'no-unused-vars': OFF,
    'import/extensions': OFF,
    'import/no-unresolved': OFF,
    'import/no-extraneous-dependencies': OFF,
    'import/newline-after-import': OFF,
    'import/no-dynamic-require': OFF,
    'no-use-before-define': OFF,
    'global-require': OFF,
    'arrow-body-style': OFF,
    'no-cond-assign': OFF,
    'import/prefer-default-export': OFF,
    'new-cap': OFF,
    'no-param-reassign': OFF,
    'space-before-function-paren': OFF,
    'no-plusplus': OFF,
    'class-methods-use-this': OFF,
    'no-lonely-if': OFF,
    'import/order': OFF,
    'no-console': OFF,
    'operator-linebreak': OFF,
    'max-classes-per-file': OFF,
    'no-bitwise': OFF,
    'operator-assignment': OFF,
    'no-underscore-dangle': OFF,
    'prefer-object-spread': OFF,
    'max-len': OFF,
    'func-names': OFF,
    'no-multi-assign': OFF,
    'no-useless-escape': OFF,
    'no-return-assign': OFF,
    'no-empty': OFF,
    'no-unused-expressions': OFF,
    'no-return-await': OFF,
    'getter-return': OFF,
    'object-curly-newline': OFF,
    'quote-props': OFF,
    'no-useless-computed-key': OFF,
    'prefer-template': OFF,
    'no-void': OFF,
    camelcase: OFF,
    'no-restricted-globals': OFF,
    'no-alert': OFF,
    'default-case': OFF,
    'array-callback-return': OFF,
    'spaced-comment': OFF,
    'no-empty-function': OFF,
    'no-prototype-builtins': OFF,
    'no-else-return': OFF,
    'no-useless-constructor': OFF,
    'no-restricted-properties': OFF,
    'no-restricted-syntax': OFF,
    'no-dupe-class-members': OFF,
    'no-useless-return': OFF,
    'no-await-in-loop': OFF,
    'no-constant-condition': OFF,
    'guard-for-in': OFF,
    'no-continue': OFF,
    'no-confusing-arrow': OFF,
    'no-async-promise-executor': OFF,
    'prefer-promise-reject-errors': OFF,
    'import/first': OFF,
    'no-script-url': OFF,
    'import/no-named-default': OFF,

    'no-use-before-declare': OFF,
    'no-irregular-whitespace': OFF,
    'no-undef': OFF,
    'vue/no-use-v-if-with-v-for': OFF,
    'vue/require-v-for-key': OFF,
  },
  // https://teratail.com/questions/295406
  overrides: [
    {
      files: ['*.ts', '*.tsx'],
      rules: {
        'no-undef': OFF,
        'default-param-last': OFF,
      },
    },
  ],
};