如何增加吞吐任务的堆栈跟踪？

问题描述

限时删除！！

  $ gulp patch 
 [17:13:27]需要外部模块coffee-script / register 
 [17:13:28]使用gulpfile〜/ source /sem-campaign.js/gulpfile.coffee 
 [17:13:28]启动'bump'... 
 [17:13:28]启动'add'... 
 [17:13:28]将版本撞击到：1.0.2 
 [17:13:28]将版本撞击到：1.0.2 
 [17:13:28]在31 ms后完成撞击 
 [17:13:28] 
 [17:13:28] 30 ms后完成'add'
 [17:13:28]开始'commit'... 
 [？]输入一个提交信息，例如：初始提交：初始提交
 [17:13:32]在3.26 s 
 [17:13:32]之后完成'提交'开始'补丁'.. 
没有好友
 [17:13:32] 25微秒后完成补丁
 
 events.js：72 
 throw er; //未处理'错误'事件
 ^ 
错误：命令失败：
在ChildProcess.exithandler（child_process.js：648：15）
在ChildProcess.emit（events.js ：98：17）
 at MaybeClose（child_process.js：756：16）
在Socket。< anonymous> （child_process.js：969：11）
在Socket.emit（events.js：95：17）
  

我很难分辨出我的吞咽任务失败的原因以及原因。如何增加默认堆栈跟踪？

解决方案

添加评论和管道工：

1. 添加这个帮手方法：
   
   

   log =（msg） - >
   console.log msg
   ＃你会收到乙烯基文件为块
   transform =（file，cb） - >
   ＃读取和修改文件内容
   ＃file.contents = new Buffer（String （file.contents）+'一些修改过的内容'）;
   
   

    ＃如果出现错误，只需作为第一个参数传递这里
    cb（null，file）; 
     

   ＃返回地图将导致您的变换函数被称为
   ＃您收到的块（文件）。当这个流
   ＃收到一个'结束'信号时，它也会结束。
   ＃
   ＃此外，您还想在其他地方要求 event-stream 。
   return eventStream.map（transform）;




2. 任务中的步骤之间的管道日志方法：
   
   

   gulp.task'myTask'， - >
   gulp.src myCss，
   base：myBase
   .pipe log获得了css文件！
   .pipe concat'app.css'
   .pipe logconcated css !!

这是用coffeescript编写的，你可以在这里把它变成javascript：

1. 创建catch错误帮助器方法：
   
   

   catchError =（err） - >
   plugins.util.beep（）＃;
   console.log err




2. 将plumber添加到插件：
   
   

   gulp.task' myTask'， - >
   gulp.src myCss，
   base：myBase
   .pipe plugins.plumber
   errorHandler：catchError
   .pipe log获得了css文件！
   .pipe concat'app.css'
   .pipe logconcated css !!

完成！ ：）

需要更多资源：

$ gulp patch
[17:13:27] Requiring external module coffee-script/register
[17:13:28] Using gulpfile ~/source/sem-campaign.js/gulpfile.coffee
[17:13:28] Starting 'bump'...
[17:13:28] Starting 'add'...
[17:13:28] Bumped version to: 1.0.2
[17:13:28] Bumped version to: 1.0.2
[17:13:28] Finished 'bump' after 31 ms
[17:13:28]
[17:13:28] Finished 'add' after 30 ms
[17:13:28] Starting 'commit'...
[?] enter a commit msg, eg initial commit: initial commit
[17:13:32] Finished 'commit' after 3.26 s
[17:13:32] Starting 'patch'...
no buddy
[17:13:32] Finished 'patch' after 25 μs

events.js:72
        throw er; // Unhandled 'error' event
              ^
Error: Command failed:
  at ChildProcess.exithandler (child_process.js:648:15)
  at ChildProcess.emit (events.js:98:17)
  at maybeClose (child_process.js:756:16)
  at Socket.<anonymous> (child_process.js:969:11)
  at Socket.emit (events.js:95:17)

It's hard for me to tell where my gulp task is failing and why. How can I increase the default stack trace?

解决方案

Add comments and plumber:

1. Add this helper method:

   log = (msg) -> console.log msg # you're going to receive Vinyl files as chunks transform = (file, cb) -> # read and modify file contents # file.contents = new Buffer(String(file.contents) + ' some modified content');

   # if there was some error, just pass as the first parameter here
   cb(null, file);
   

   # returning the map will cause your transform function to be called # for each one of the chunks (files) you receive. And when this stream # receives a 'end' signal, it will end as well. # # Additionally, you want to require the event-stream somewhere else. return eventStream.map(transform);

2. pipe thw log method between steps in a task:

   gulp.task 'myTask', -> gulp.src myCss, base: myBase .pipe log "Got css files!" .pipe concat 'app.css' .pipe log "concated css!!"

this is written in coffeescript, you can turn it to javascript here:http://js2coffee.org/

1. create a catch error helper method:

   catchError = (err) -> plugins.util.beep() # ref; console.log err

2. add plumber to plugins:

   gulp.task 'myTask', -> gulp.src myCss, base: myBase .pipe plugins.plumber errorHandler: catchError .pipe log "Got css files!" .pipe concat 'app.css' .pipe log "concated css!!"

Done! :)

More resources to check out:gulp-printgulp-debug

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