Tag Info

This is the issue related to yeoman. You can fix this issue by downgrading it from 4.0.0 to 3.1.1 npm install yo@3.1.1 -g This combination does not work @microsoft/generator-sharepoint@1.11.0 gulp@4.0.2 npm@6.14.11 yo@4.0.0 This combination works @microsoft/generator-sharepoint@1.11.0 gulp@4.0.2 npm@6.14.11 yo@3.1.1 Similar question was asked here.

You have to select "SharePoint Online only (latest)" or "SharePoint 2019 onwards, including SharePoint Online" for the question Which baseline packages do you want to target for your component(s)? to get option for "Extension". If the answer is helpful, please upvote and mark as accepted.

Reason: SharePoint 2016 does not support SPFx extensions. This is because SharePoint 2016 on-premises doesn't support Modern UI. SharePoint Extensions are supported only in SharePoint 2019 and SharePoint Online as of now. Solution: In order to create a SharePoint Extension choose any one of the below options for the question, Which baseline packages do ...

Fixed by running: npm cache clear --force

With SPFx solutions, none of the npm packages are deployed to SharePoint, so you can ignore these audit warnings. If you had a custom solution that did deploy the npm packages themselves, yes you'd need to address it. Don't be alarmed by vulnerabilities after running NPM Install

Note that https://docs.microsoft.com/en-us/sharepoint/dev/spfx/release-1.12.1 has recently been updated, indicating that you need to update your gulpfile.js to be able to run gulp serve

Below are requirement to run and test SPFx 1.12.1 webpart. node version v14.15.5 +-- @microsoft/generator-sharepoint@1.12.1-rc.3 +-- gulp@4.0.2 +-- npm@6.14.11 `-- yo@4.0.0 gulp serve will work with current release and with the next release. local work bench will work with current SPFx version 1.12.1. In next release it won't be supported. You can test ...

I am assuming that you have installed only one version of nodejs at a time. For SPFx generator SharePoint online you will require v10.24.0 of nodejs. Open command prompt and run following command in CMD to check global version of package npm list -g --depth=0 Ideally it should display following following version +-- @microsoft/generator-sharepoint@1.11.0 +--...

Its not just these few changes that you will help you convert. SP ON-prem only support SPFx 1.4 which only supports React 15(not latest React with Hooks) and so other libraries dependencies change similarly and is a difference of complete dependency chain. The closest to what you want can be achieved using workarounds like: LINK