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eslint-plugin-node
Additional ESLint's rules for Node.js
💿 Install & Usage
$ npm install --save-dev eslint eslint-plugin-node
- Requires Node.js 
>=6.0.0 - Requires ESLint 
>=4.19.1(plugin:node/recommendedpreset requires>=5.0.0) 
Note: It recommends a use of the "engines" field of package.json. The "engines" field is used by node/no-unsupported-features/* rules.
.eslintrc.json (An example)
{
    "extends": ["eslint:recommended", "plugin:node/recommended"],
    "rules": {
        "node/exports-style": ["error", "module.exports"],
        "node/prefer-global/buffer": ["error", "always"],
        "node/prefer-global/console": ["error", "always"],
        "node/prefer-global/process": ["error", "always"],
        "node/prefer-global/url-search-params": ["error", "always"],
        "node/prefer-global/url": ["error", "always"]
    }
}
package.json (An example)
{
    "name": "your-module",
    "version": "1.0.0",
    "engines": {
        "node": ">=6.0.0"
    }
}
📖 Rules
- ⭐️ - the mark of recommended rules.
 - ✒️ - the mark of fixable rules.
 
Possible Errors
| Rule ID | Description | |
|---|---|---|
| node/no-extraneous-import | disallow import declarations of extraneous packages | 
|
| node/no-extraneous-require | disallow require() expressions of extraneous packages | 
⭐️ | 
| node/no-missing-import | disallow import declarations of missing files | 
|
| node/no-missing-require | disallow require() expressions of missing files | 
⭐️ | 
| node/no-unpublished-bin | disallow 'bin' files which are ignored by npm | ⭐️ | 
| node/no-unpublished-import | disallow import declarations of private things | 
|
| node/no-unpublished-require | disallow require() expressions of private things | 
⭐️ | 
| node/no-unsupported-features/es-builtins | disallow unsupported ECMAScript built-ins on the specified version | ⭐️ | 
| node/no-unsupported-features/es-syntax | disallow unsupported ECMAScript syntax on the specified version | ⭐️ | 
| node/no-unsupported-features/node-builtins | disallow unsupported Node.js built-in APIs on the specified version | ⭐️ | 
| node/process-exit-as-throw | make process.exit() expressions the same code path as throw | 
⭐️ | 
| node/shebang | enforce the correct usage of shebang | ⭐️✒️ | 
Best Practices
| Rule ID | Description | |
|---|---|---|
| node/no-deprecated-api | disallow deprecated APIs | ⭐️ | 
Stylistic Issues
| Rule ID | Description | |
|---|---|---|
| node/exports-style | enforce either module.exports or exports | 
|
| node/prefer-global/buffer | enforce either Buffer or require("buffer").Buffer | 
|
| node/prefer-global/console | enforce either console or require("console") | 
|
| node/prefer-global/process | enforce either process or require("process") | 
|
| node/prefer-global/text-decoder | enforce either TextDecoder or require("util").TextDecoder | 
|
| node/prefer-global/text-encoder | enforce either TextEncoder or require("util").TextEncoder | 
|
| node/prefer-global/url-search-params | enforce either URLSearchParams or require("url").URLSearchParams | 
|
| node/prefer-global/url | enforce either URL or require("url").URL | 
Deprecated rules
These rules have been deprecated in accordance with the deprecation policy, and replaced by newer rules:
| Rule ID | Replaced by | 
|---|---|
| node/no-hide-core-modules | (nothing) | 
| node/no-unsupported-features | node/no-unsupported-features/es-syntax and node/no-unsupported-features/es-builtins | 
🔧 Configs
This plugin provides plugin:node/recommended preset config.
This preset config:
- enables the environment of ES2015 (ES6) and Node.js.
 - enables rules which are given ⭐ in the above table.
 - enables no-process-exit rule because the official document does not recommend a use of 
process.exit(). - adds 
{ecmaVersion: 2019}intoparserOptions. - adds 
AtomicsandSharedArrayBufferintoglobals. - adds this plugin into 
plugins. 
👫 FAQ
- Q: The 
no-missing-import/no-missing-requirerules don't work with nested folders in SublimeLinter-eslint - A: See context.getFilename() in rule returns relative path in the SublimeLinter-eslint FAQ.
 
🚥 Semantic Versioning Policy
eslint-plugin-node follows semantic versioning and ESLint's Semantic Versioning Policy.
- Patch release (intended to not break your lint build)
- A bug fix in a rule that results in it reporting fewer errors.
 - Improvements to documentation.
 - Non-user-facing changes such as refactoring code, adding, deleting, or modifying tests, and increasing test coverage.
 - Re-releasing after a failed release (i.e., publishing a release that doesn't work for anyone).
 
 - Minor release (might break your lint build)
- A bug fix in a rule that results in it reporting more errors.
 - A new rule is created.
 - A new option to an existing rule is created.
 - An existing rule is deprecated.
 
 - Major release (likely to break your lint build)
- A support for old Node version is dropped.
 - A support for old ESLint version is dropped.
 - An existing rule is changed in it reporting more errors.
 - An existing rule is removed.
 - An existing option of a rule is removed.
 - An existing config is updated.
 
 
📰 Changelog
💎 Contributing
Welcome contributing!
Please use GitHub's Issues/PRs.
Development Tools
npm testruns tests and measures coverage.npm run coverageshows the coverage result ofnpm testcommand.npm run cleanremoves the coverage result ofnpm testcommand.