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

no-buffer-constructor

- Disallow use of the Buffer() constructor

This rule disallows calling and constructing the Buffer() constructor.

What ESLint should do when it catches the rule break

Show a warning

Rule examples

You can check them out here.

handle-callback-errno-mixed-requires