Possible Errors

Best Practices

Strict Mode

Variables

Node.js and CommonJS

callback-return

Turn on
Require return statements after callbacks

global-require

Turn on
Require require() calls to be placed at top-level module scope

handle-callback-err

Turn on
Require error handling in callbacks

no-buffer-constructor

Turn on
Disallow use of the Buffer() constructor

no-mixed-requires

Turn on
Disallow require calls to be mixed with regular variable declarations

no-new-require

Turn on
Disallow new operators with calls to require

no-path-concat

Turn on
Disallow string concatenation with __dirname and __filename

no-process-env

Turn on
Disallow the use of process.env

no-process-exit

Turn on
Disallow the use of process.exit()

no-restricted-modules

Turn on
Disallow specified modules when loaded by require

no-sync

Turn on
Disallow synchronous methods

Stylistic Issues

ECMAScript 6

DownloadPreview

handle-callback-err

- Require error handling in callbacks

This rule expects that when you’re using the callback pattern in Node.js you’ll handle the error.

What ESLint should do when it catches the rule break

Show a warning

Options

Specifies the name of the error parameter.

Rule examples

You can check them out here.

global-requireno-buffer-constructor