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Additional ESLint's rules for Node.js
$ npm install --save-dev eslint eslint-plugin-node
>=8.10.0
>=5.16.0
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"
],
"parserOptions": {
// Only ESLint 6.2.0 and later support ES2020.
"ecmaVersion": 2020
},
"rules": {
"node/exports-style": ["error", "module.exports"],
"node/file-extension-in-import": ["error", "always"],
"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"],
"node/prefer-promises/dns": "error",
"node/prefer-promises/fs": "error"
}
}
package.json (An example)
{
"name": "your-module",
"version": "1.0.0",
"type": "commonjs",
"engines": {
"node": ">=8.10.0"
}
}
Rule ID | Description | |
---|---|---|
node/no-callback-literal | ensure Node.js-style error-first callback pattern is followed | |
node/no-exports-assign | disallow the assignment to exports |
⭐️ |
node/no-extraneous-import | disallow import declarations which import extraneous modules |
⭐️ |
node/no-extraneous-require | disallow require() expressions which import extraneous modules |
⭐️ |
node/no-missing-import | disallow import declarations which import non-existence modules |
⭐️ |
node/no-missing-require | disallow require() expressions which import non-existence modules |
⭐️ |
node/no-unpublished-bin | disallow bin files that npm ignores |
⭐️ |
node/no-unpublished-import | disallow import declarations which import private modules |
⭐️ |
node/no-unpublished-require | disallow require() expressions which import private modules |
⭐️ |
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 | suggest correct usage of shebang | ⭐️✒️ |
Rule ID | Description | |
---|---|---|
node/no-deprecated-api | disallow deprecated APIs | ⭐️ |
Rule ID | Description | |
---|---|---|
node/exports-style | enforce either module.exports or exports |
|
node/file-extension-in-import | enforce the style of file extensions in import declarations |
✒️ |
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 |
|
node/prefer-promises/dns | enforce require("dns").promises |
|
node/prefer-promises/fs | enforce require("fs").promises |
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 |
This plugin provides three configs:
plugin:node/recommended
condiders both CommonJS and ES Modules. If "type":"module"
field existed in package.json then it considers files as ES Modules. Otherwise it considers files as CommonJS. In addition, it considers *.mjs
files as ES Modules and *.cjs
files as CommonJS.plugin:node/recommended-module
considers all files as ES Modules.plugin:node/recommended-script
considers all files as CommonJS.Those preset config:
process.exit()
.{ecmaVersion: 2019}
and etc into parserOptions
.globals
.plugins
.no-missing-import
/ no-missing-require
rules don't work with nested folders in SublimeLinter-eslinteslint-plugin-node
follows semantic versioning and ESLint's Semantic Versioning Policy.
Welcome contributing!
Please use GitHub's Issues/PRs.
npm test
runs tests and measures coverage.npm run coverage
shows the coverage result of npm test
command.npm run clean
removes the coverage result of npm test
command.