Question

我有一个看起来像这样的vorpal命令：我正在运行1.9.5版本。

const vorpal = require('vorpal')()

vorpal
   .command('temp [dev]')
   .validate(function() {
     return false
   })
   .action(function() {
     ...
   })

vorpal.parse(process.argv)

当我在终端中运行pnt temp时，我会抛出此错误：

/Users/samm/Sites/pnt/node_modules/vorpal/dist/vorpal.js:169
          throw new Error(err);
          ^

Error: null
    at EventEmitter.<anonymous> (/Users/samm/Sites/pnt/node_modules/vorpal/dist/vorpal.js:169:17)
    at callback (/Users/samm/Sites/pnt/node_modules/vorpal/dist/vorpal.js:830:22)
    at /Users/samm/Sites/pnt/node_modules/vorpal/dist/vorpal.js:961:7
    at EventEmitter._commandSetCallback (/Users/samm/Sites/pnt/node_modules/vorpal/dist/session.js:446:5)
    at EventEmitter.session.completeCommand (/Users/samm/Sites/pnt/node_modules/vorpal/dist/session.js:526:12)
    at onCompletion (/Users/samm/Sites/pnt/node_modules/vorpal/dist/session.js:456:10)
    at EventEmitter.session.execCommandSet (/Users/samm/Sites/p nt/node_modules/vorpal/dist/session.js:471:5)
    at EventEmitter.vorpal._exec (/Users/samm/Sites/pnt/node_modules/vorpal/dist/vorpal.js:960:18)
    at EventEmitter.vorpal._execQueueItem (/Users/samm/Sites/pnt/node_modules/vorpal/dist/vorpal.js:751:17)
    at EventEmitter.vorpal._queueHandler (/Users/samm/Sites/pnt/node_modules/vorpal/dist/vorpal.js:735:10)

Answer 1

我承认这看起来很丑陋，他们可能会在未来的版本中解决这个问题，但这看起来是正确的行为。

从false返回.validate或字符串会引发错误，因为这意味着您不接受这些参数。如果您返回一个字符串，该字符串将显示给用户（return "I don't want no scrubs."）。

因此，从您发布的代码中，这是正确的行为。

如果您希望.validate的错误消息有所不同，我建议您在vorpal的问题跟踪器上发布问题。（尽管我可以看到你已经这样做了。）

vorpal .validate throw错误

1 个答案: