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In this video is shown how WebStorm provides intellisense support in package.json. I tried the same but it doesn't work for my version. How do I enable it?
My version is:
WebStorm 2016.3.3
Build #WS-163.12024.17, built on January 31, 2017
Licensed to Maximus Koretskyi
You have a perpetual fallback license for this version
Subscription is active until October 16, 2018
JRE: 1.8.0_73-b02 amd64
JVM: Java HotSpot(TM) 64-Bit Server VM by Oracle Corporation
For that you need to use WebStorm 2017.1 (build 171.2272 or newer) which is currently in EAP stage (the video shows IDE version that was used).
https://blog.jetbrains.com/webstorm/2017/01/webstorm-2017-1-eap-171-2272/
Latest EAP build can be downloaded here.