.eslintrc.js

// Generated using recommended approach
// https://code.visualstudio.com/api/advanced-topics/tslint-eslint-migration
module.exports = {
    "env": {
        "browser": true,
        "es6": true,
        "node": true
    },
    "extends": [
        "plugin:@typescript-eslint/recommended",
        "plugin:@typescript-eslint/recommended-requiring-type-checking"
    ],
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
        "project": "tsconfig.json",
        "sourceType": "module"
    },
    "plugins": [
        "eslint-plugin-jsdoc",
        "eslint-plugin-prefer-arrow",
        "@typescript-eslint",
        "import",
    ],
    /**
     * ESLint rules
     *
     * All available rules: http://eslint.org/docs/rules/
     *
     * Rules take the following form:
     *   'rule-name', [severity, { opts }]
     * Severity: 2 == error, 1 == warning, 0 == off.
     */
    'rules': {
        /**
         * Enforced rules
         */
    
    
        // syntax preferences
        'quotes': [2, 'single', {'avoidEscape': true, 'allowTemplateLiterals': true}],
        'semi': 2,
        'no-extra-semi': 2,
        'comma-style': [2, 'last'],
        'wrap-iife': [2, 'inside'],
        'spaced-comment': [2, 'always', {'markers': ['*']}],
        'eqeqeq': [2],
        'accessor-pairs': [2, {'getWithoutSet': false, 'setWithoutGet': false}],
        'curly': 2,
        'new-parens': 2,
        'func-call-spacing': 2,
        'arrow-parens': [2, 'as-needed'],
        'eol-last': 2,
    
        // anti-patterns
        'no-caller': 2,
        // MSFT: Not supported by esprima which is used by localization scripts.
        //no-case-declarations': 2,
        'no-cond-assign': 2,
        'no-console': [2, {'allow': ['assert', 'context', 'error', 'timeStamp', 'time', 'timeEnd', 'warn']}],
        'no-debugger': 2,
        'no-dupe-keys': 2,
        'no-duplicate-case': 2,
        'no-else-return': [2, {'allowElseIf': false}],
        'no-empty-character-class': 2,
        'no-global-assign': 2,
        'no-implied-eval': 2,
        'no-labels': 2,
        'no-multi-str': 2,
        'no-new-object': 2,
        'no-octal-escape': 2,
        'no-self-compare': 2,
        'no-shadow-restricted-names': 2,
        'no-unreachable': 2,
        'no-unsafe-negation': 2,
        'no-unused-vars': [2, {'args': 'none', 'vars': 'local'}],
        'no-var': 2,
        'no-with': 2,
        'prefer-const': 2,
        'radix': 2,
        'valid-typeof': 2,
        'no-return-assign': [2, 'always'],
    
        // es2015 features
        'require-yield': 2,
        'template-curly-spacing': [2, 'never'],
    
        // spacing details
        'space-infix-ops': 2,
        'space-in-parens': [2, 'never'],
        'space-before-function-paren': [2, {'anonymous': 'never', 'named': 'never', 'asyncArrow': 'always'}],
        'no-whitespace-before-property': 2,
        'keyword-spacing': [
          2, {
            'overrides': {
              'if': {'after': true},
              'else': {'after': true},
              'for': {'after': true},
              'while': {'after': true},
              'do': {'after': true},
              'switch': {'after': true},
              'return': {'after': true}
            }
          }
        ],
        'arrow-spacing': [2, {'after': true, 'before': true}],
    
        // file whitespace
        'no-multiple-empty-lines': [2, {'max': 2}],
        'no-mixed-spaces-and-tabs': 2,
        'no-trailing-spaces': 2,
        'linebreak-style': [2, process.platform === 'win32' ? 'windows' : 'unix'],
    
        /**
         * Disabled, aspirational rules
         */
    
        
        'indent': [0, 2, {'SwitchCase': 1, 'CallExpression': {'arguments': 2}, 'MemberExpression': 2}],
    
        // brace-style is disabled, as eslint cannot enforce 1tbs as default, but allman for functions
        'brace-style': [0, 'allman', {'allowSingleLine': true}],
    
        // key-spacing is disabled, as some objects use value-aligned spacing, some not.
        'key-spacing': [0, {'beforeColon': false, 'afterColon': true, 'align': 'value'}],
        // quote-props is diabled, as property quoting styles are too varied to enforce.
        'quote-props': [0, 'as-needed'],
    
        // no-implicit-globals will prevent accidental globals
        'no-implicit-globals': [0],
    
        '@typescript-eslint/explicit-member-accessibility': [0],
        '@typescript-eslint/no-explicit-any': 2,
        '@typescript-eslint/restrict-template-expressions': 0,
    
        // Closure does not properly typecheck default exports
        'import/no-default-export': 2,
      },
      'overrides': [{
        'files': ['*.ts'],
        'rules': {
          '@typescript-eslint/explicit-member-accessibility': [2, {'accessibility': 'no-public'}],
          'comma-dangle': [2, 'always-multiline'],
          // run just the TypeScript unused-vars rule, else we get duplicate errors
          'no-unused-vars': 0,
          '@typescript-eslint/no-unused-vars': [2, {'argsIgnorePattern': '^_'}],
        }
      }]
};