Method prependLeftBuf

src/ProcessorLocal.ts:219–228

(buf: Buffer)

  }

  private prependLeftBuf(buf: Buffer) {
    if (buf) {
      if (this.runtime.csvLineBuffer) {
        this.runtime.csvLineBuffer = Buffer.concat([buf, this.runtime.csvLineBuffer]);
      } else {
        this.runtime.csvLineBuffer = buf;
      }
    }

  }
  private runPreLineHook(lines: string[]): Promise<string[]> {
    return new Promise((resolve, reject) => {
      processLineHook(lines, this.runtime, 0, (err) => {