no-new-buffer
March 27, 2026 ยท View on GitHub
๐ Enforce the use of Buffer.from() and Buffer.alloc() instead of the deprecated new Buffer().
๐ผ This rule is enabled in the following configs: โ
recommended, โ๏ธ unopinionated.
๐ง๐ก This rule is automatically fixable by the --fix CLI option and manually fixable by editor suggestions.
Enforces the use of Buffer.from and Buffer.alloc() instead of new Buffer(), which has been deprecated since Node.js 4.
Examples
// โ
const buffer = new Buffer('7468697320697320612074c3a97374', 'hex');
// โ
const buffer = Buffer.from('7468697320697320612074c3a97374', 'hex');
// โ
const buffer = new Buffer([0x62, 0x75, 0x66, 0x66, 0x65, 0x72]);
// โ
const buffer = Buffer.from([0x62, 0x75, 0x66, 0x66, 0x65, 0x72])
// โ
const buffer = new Buffer(10);
// โ
const buffer = Buffer.alloc(10);