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https://issues.apache.org/jira/browse/CB-10052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vladimir Kotikov resolved CB-10052.
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Resolution: Fixed
> Improve superspawn to allow to handle spawned process io streams
> ----------------------------------------------------------------
>
> Key: CB-10052
> URL: https://issues.apache.org/jira/browse/CB-10052
> Project: Apache Cordova
> Issue Type: Improvement
> Components: CordovaCommon
> Affects Versions: 1.0.0
> Reporter: Vladimir Kotikov
> Assignee: Vladimir Kotikov
> Fix For: 1.1.0
>
>
> Sometimes it is useful to process spawned process stdout and stderr in some
> way before out this to console. The current implementation of superspawn
> doesn't give a way to do this. One of the cases when this could be helpful -
> CB-9971 (see https://github.com/apache/cordova-android/pull/240 for some
> discussion).
> The proposed approach is:
> 1. Add ability to accept any valid stdio configuration, just like the
> original child_process.spawn does
> (https://nodejs.org/api/child_process.html#child_process_options_stdio)
> 2. Give a way to caller to listen to stdout and stderr events. This might be
> implemented as resultant promise progress notification:
> {code:JavaScript}
> spawn('mycommand', [], {stdio: 'pipe'})
> .progress(function (stdio){
> if (stdio.stderr) {
> console.error(stdio.stderr);
> }
> })
> .then(function(result){
> // do other stuff
> })
> {code}
> Another option is to return na object that implements both EventEmitter and
> Promise interfaces, so anybody might subscribe to its events.
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