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https://issues.apache.org/jira/browse/NETBEANS-17?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Laszlo Kishalmi resolved NETBEANS-17.
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Resolution: Abandoned
> Please add more analyse tools for JavaScript
> --------------------------------------------
>
> Key: NETBEANS-17
> URL: https://issues.apache.org/jira/browse/NETBEANS-17
> Project: NetBeans
> Issue Type: New Feature
> Components: javascript - Editor
> Affects Versions: Next
> Reporter: Christian Lenz
> Priority: Major
>
> As we have it for Java, PHP and I think for C/C++, I would like to see more
> analyse tools like dependency resolver for require modules, ES6 Modules,
> angular modules and other module frameworks (Show dependencies is deactivated
> for JS projects), find dead code, find duplicate code and so on.
> There is a plugin for such things called PMD but last changes was made in
> 2012 and it doesn't work as expected. For other languages you have to add
> rulesets which is kinda broken and so on.
> Such code analyse tools would be very great and will increase the quality of
> big JS applications. It should be a build in functionality to search and fix
> dead code, duplicates and so on.
> It is really needed that we have such functionality to find dead code /
> unused variables for example.
> In angular, if you remove functionality inside a controller or a service and
> you don't remove the arguments, like the dependend module, that you use, they
> will be resolved at runtime and this is a bad pattern. So if you forgot to
> remove the argument like myService, netbeans shows you "unused code". A
> functionality to find ALL unused code in a JS project, is really needed and
> to fix them too.
> There is a nice thing called spy.js. WebStorm has it integrated and you can
> profile Websites with JS AND node apps. You can see the call tree where, for
> example you click on smth and you see what happend. it's more than a
> debugger, you see CPU usages, time and so on. Here is a link to this:
> http://blog.jetbrains.com/webstorm/2014/04/spy-js-webstorm-secret-service/
> Here are some more links:
> http://blog.jetbrains.com/webstorm/2015/05/node-js-profiling-in-webstorm-part-1-cpu-profiling/
> http://blog.jetbrains.com/webstorm/2015/07/node-js-profiling-in-webstorm-part-2-memory-profiling/
> V8 profiling:
> https://www.jetbrains.com/help/webstorm/11.0/v8-cpu-and-memory-profiling.html?origin=old_help
> This is an other technology, which is I think built into the V8 engine.
> So keywors are: dead code detection, resolve/fix missing/unused imports (ES6
> modles), copy paste detection, etc. We can handle this as sub tickets if you
> want.
> Regards
> Chris
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