Method _write

packages/core/test/router/sse-stream.spec.ts:27–34

(
    chunk: any,
    encoding: string,
    callback: (error?: Error | null) => void,
  )

  }

  _write(
    chunk: any,
    encoding: string,
    callback: (error?: Error | null) => void,
  ): void {
    this.chunks.push(chunk);
    callback();
  }

  get content() {
    return this.chunks.join('');