[Nashorn Javascript files]: "Unresolved variable or type Packages": Java types not recognized
DESCRIPTION
I have no problems running .js files using Nashorn, which makes sense because it's done by the JVM not by IntelliJ.
What I was hoping to get out of IntelliJ is autocompletion and runtime verification, like Java code. e.g., dropdown menus for methods, "red squigglies", etc. I think some folks call this "Intellisense".
But, alas, as you can see above, this doesn't seem to be happening.
From a technical perspective, this shouldn't be that difficult, at least for a Phase 1, because it's very similar to Java.
For a Phase 2, Nashorn "injects" some extra variables/functions into the context:
- Packages
- arguments
- Java (Java.type, Java.extend, etc.)
- JavaImporter
- loadWithNewGlobal
- debugger
More info at:
- https://wiki.openjdk.java.net/display/Nashorn/Nashorn+extensions
- https://blogs.oracle.com/sundararajan/entry/remote_debugging_of_nashorn_scripts
Or, perhaps, I'm doing something wrong.
SPECIFICATIONS
IntelliJ IDEA 2016.2.4
Build #IU-162.2032.8, built on September 9, 2016
JRE: 1.8.0_91-b14 x86_64
JVM: Java HotSpot(TM) 64-Bit Server VM by Oracle Corporation
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Works fine for me - types are recognized and suggested by completion:
did you select 'Nashorn JS' as JavaScript Language version in Settings (Preferences) | Languages & Frameworks | JavaScript?
Some links you may find useful: https://blog.jetbrains.com/idea/tag/nashorn/, http://blog.dmitryalexandrov.net/nashorn-intellij-idea-development-environment-setup/, http://blog.dmitryalexandrov.net/
Thanks, @Elena.
Everything worked fine after I closed the project, deleted all .iml files and .idea directories, and re-imported the project.