.eslintrc

{
  "env": {
    "commonjs": true,
    "es6": true,
    "node": true
  },
  "extends": [
    "semistandard",
    "plugin:n/recommended", // Uses the recommended rules from eslint-plugin-n (node)
    "plugin:@typescript-eslint/recommended", // Uses the recommended rules from the @typescript-eslint/eslint-plugin
    "prettier" // enables eslint-plugin-prettier and displays prettier errors as ESLint errors. (must be the last config in extends array)
  ],
  "ignorePatterns": ["node_modules/", "artifacts", "dist", "generated"],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": "./tsconfig.json",
    "ecmaVersion": 2018,
    "sourceType": "module" // Allows for the use of imports
  },
  "settings": {
    "import/parsers": {
      "@typescript-eslint/parser": [".ts"]
    },
    "import/resolver": {
      "typescript": {
        "alwaysTryTypes": true, // always try to resolve types under `<root>@types` directory even it doesn't contain any source code, like `@types/unist`
        "project": "./tsconfig.json"
      }
    }
  },
  "rules": {
    "comma-dangle": ["warn", "always-multiline"],
    "curly": ["error", "all"],
    "max-len": ["error", { "code": 120 }],
    "no-nested-ternary": "error",
    "padded-blocks": "off",
    "space-before-function-paren": "off",
    "no-useless-constructor": "off",
    "n/no-process-exit": "off",
    "n/no-unsupported-features/es-syntax": "off",
    "n/no-missing-import": "off", // disable as it conflicts with TS compiling to ES modules.
    "import/no-unresolved": "error", // replaces the above n/no-missing-import
    "no-use-before-define": "off",
    "@typescript-eslint/no-use-before-define": "off",
    "@typescript-eslint/no-var-requires": "off", // should be enabled once we migrated all js to ts files
    "prettier/prettier": "error", // Ensure Prettier discrepancies are treated as errors
    "import/order": [
      1,
      {
        "groups": ["builtin", "external", "internal", ["parent", "sibling", "index"], "object", "type"],
        "alphabetize": { "order": "asc", "caseInsensitive": true },
        "newlines-between": "always"
      }
    ]
  },
  "plugins": [
    "import",
    "@typescript-eslint",
    "prettier" // so prettier errors shows up in eslint
  ],
  "root": true
}