@ninoseki/eslint-plugin-neverthrow

eslint-plugin-neverthrow but works with ESLint v9.

Installation

npm install --save-dev @ninoseki/eslint-plugin-neverthrow @typescript-eslint/parser

Requirements

• ESLint v9+
• @typescript-eslint/parser

Usage

import eslint from "@eslint/js";
import tseslint from "typescript-eslint";
import neverthrow from "@ninoseki/eslint-plugin-neverthrow";
import typescriptEslintParser from "@typescript-eslint/parser";

export default tseslint.config(
  eslint.configs.recommended,
  ...tseslint.configs.recommended,
  {
    plugins: { neverthrow },
    rules: {
      "neverthrow/must-use-result": "error",
    },
    languageOptions: {
      parser: typescriptEslintParser,
      parserOptions: {
        project: "./tsconfig.json",
      },
    },
  },
);

Rules

Same as https://github.com/mdbetancourt/eslint-plugin-neverthrow/tree/master?tab=readme-ov-file#rules.