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I have few SPFx related queries as mentioned below.

  • What is the current version of typescript in SPFx v1.71?
  • if it is not the latest version then is there any plan to upgrade? It will be great to know the timeline if there is any.
  • If we have some external libraries with a dependency on latest version of typescript then is it possible to incorporate this new version in SPFx. If yes how?

Thanks, Rajashekar

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SPFx 1.7.1 relies on typescript 2.4.2.
You can check that by creating a SPFx project and then run npm list typescript, look for the typescript entries bellow @microsoft/sp-build-common.
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  • Thanks for the info.. I am still looking for the answers to remaining two questions too.
    – Rajashekhar Sheelvant
    Commented Feb 18, 2019 at 1:51
  • The tooling of SPFx is locked down to this specific version of typescript and you should not upgrade typescript. For your external library, you should try to look for a version which is compatible with this version of typescript
    – baywet
    Commented Feb 18, 2019 at 2:11

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