Method capture

test/test-utils/cli.ts:42–46

(source: Source, data: any)

  }

  private capture(source: Source, data: any) {
    const msg = this.preserveAnsi ? data.toString() : stripVTControlCharacters(data.toString())
    this[source] += msg
    this[`${source}Listeners`].forEach(fn => fn())
  }

  write(data: string) {
    this.resetOutput()