eslint-plugin-neverthrow

Installation

Use npm or a compatibility tool to install.

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

Requirements

• Node.js v8.10.0 or newer versions.
• ESLint v5.16.0 or newer versions.
• @typescript-eslint/parser

Usage

Write your config file such as .eslintrc.js.

module.exports = {
  plugins: ['neverthrow'],
  rules: {
    'neverthrow/must-use-result': 'error',
  },
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 2021,
    sourceType: 'module',
    project: ['./tsconfig.json'],
    tsconfigRootDir: __dirname,
  },
};

See also Configuring ESLint.

Configs

• neverthrow/recommended ... enables the recommended rules.

Rules

Possible Errors

Rule ID	Description
neverthrow/must-use-result	Not handling neverthrow result is a possible error because errors could remain unhandleds.	⭐️

Semantic Versioning Policy

This plugin follows Semantic Versioning and ESLint's Semantic Versioning Policy.

Changelog

• GitHub Releases

Contributing

Welcome your contribution!

See also ESLint Contribution Guide.

Development Tools

• npm test runs tests.
• npm run update updates the package version. And it updates src/configs/recommended.ts, lib/index.ts, and README.md's rule table. See also npm version CLI command.
• npm run add-rule <RULE_ID> creates three files to add a new rule.

forked from mysticatea/template-eslint-plugin