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Client Side Web Part doesn't use optimized scripts

Client Side Web Part doesn't use optimized scripts

CheckId SPF120701
TypeName WebPartUsesOptimizedScripts
Severity CriticalWarning
Type Web Part Manifest

Client Side Web Parts built using the SharePoint Framework should be optimized before releasing to production. During the optimization process Client Side Web Part's code is compressed and debugging information is removed. This results in smaller files that load faster.

Optimizing Client Side Web Parts is done while building the SharePoint Framework project. An optimized build is requested using the --production flag:

$ gulp bundle --production


The output of such build is copied to the deploy folder from which is should be referenced by the package-solution Gulp task.

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