Function hookStream

__tests__/test-GitPktLine.js:77–83

(subject, fn)

  it('read stream - with error', async () => {
    const hookStream = (subject, fn) => {
      const unhook = function (write) {
        this.write = write
      }.bind(subject, subject.write)
      subject.write = fn
      return unhook
    }
    let unhook
    try {
      const output = []