I have created the sample spfx solution and uploaded it into the app catalog and i have added it to the site page. if I am changing in the local code and if I run the gulp serve the actual changes are reflecting in the SharePoint pages also. how is this possible. anyone please explain the process.

2 Answers 2


You probably ran the gulp tasks for bundling and packaging without the "--ship" flag at the end, so it still connects to your localhost after deployment

You can find some guidance here: https://docs.microsoft.com/en-us/sharepoint/dev/spfx/web-parts/get-started/hosting-webpart-from-office-365-cdn#prepare-web-part-assets-to-deploy


If you open the <your-webpart-guid>.manifest.json from the \dist folder, you will notice that the internalModuleBaseUrls property in the loaderConfig entry still refers to your local computer:

"internalModuleBaseUrls": [

You can find more detail here.

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