.eslintrc

{
  "env": {
    "commonjs": true,
    "es6": true,
    "jest": true,
    "mocha": true
  },
  "extends": ["plugin:prettier/recommended"],
  "globals": {
    "Atomics": "readonly",
    "SharedArrayBuffer": "readonly"
  },
  "overrides": [
    {
      "files": ["scripts/*", "test/**/*.ts"],
      "rules": {
        "import/no-extraneous-dependencies": "off"
      }
    }
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 2018,
    "sourceType": "module"
  },
  "plugins": ["prettier", "@typescript-eslint"],
  "rules": {
    // Typescript
    "@typescript-eslint/ban-ts-comment": [0, { "ts-expect-error": false }],
    "@typescript-eslint/no-unused-vars": "error",
    "@typescript-eslint/no-use-before-define": ["error"],
    // Import
    "import/extensions": [
      "error",
      "ignorePackages",
      {
        "ts": "never"
      }
    ],
    "import/no-extraneous-dependencies": [
      "error",
      { "devDependencies": ["**/*.test.ts", "**/*.spec.ts"] }
    ],
    // General
    "camelcase": "warn",
    "linebreak-style": ["error", "unix"],
    "lines-between-class-members": [
      "error",
      "always",
      { "exceptAfterSingleLine": true }
    ],
    "no-console": [
      "warn",
      { "allow": ["warn", "error", "info", "group", "groupEnd"] }
    ],
    "no-irregular-whitespace": "error",
    "no-nested-ternary": "off",
    "no-param-reassign": ["error", { "props": false }],
    "no-plusplus": 0,
    "no-use-before-define": "off",
    "padding-line-between-statements": [
      "error",
      {
        "blankLine": "always",
        "next": "*",
        "prev": ["const", "let", "var", "block-like", "if"]
      },
      {
        "blankLine": "always",
        "next": ["return", "const", "let", "var", "block-like", "if"],
        "prev": "*"
      },
      {
        "blankLine": "any",
        "next": ["const", "let", "var"],
        "prev": ["const", "let", "var"]
      }
    ],
    "quotes": ["error", "single", { "avoidEscape": true }]
  },
  "settings": {
    "import/extensions": [".js", ".ts", ".mjs", ".jsx", ".tsx"],
    "import/resolver": {
      "node": {
        "extensions": [".js", ".ts", ".jsx", ".tsx", ".json"]
      },
      // This loads tsconfig.json to ESLint but,
      // ESLint's VSCode extension might have delays for caching it
      "typescript": {
        "alwaysTryTypes": true
      }
    }
  }
}