MisskeyIO/packages/backend/src/misc/dev-null.ts

import { Writable, WritableOptions } from 'node:stream';

export class DevNull extends Writable implements NodeJS.WritableStream {
	constructor(opts?: WritableOptions) {
		super(opts);
	}

	_write (chunk: any, encoding: BufferEncoding, cb: (err?: Error | null) => void) {
		setImmediate(cb);
	}
}