"The Copy Views solution enables a user to copy views from one list/library to another across site collections. It can be used as a webpart on a page, or as a ListView Command Set extension. The user can select multiple views to copy to multiple target lists."
"name":"Build your first SharePoint client-side web part",
"description":"Client-side web parts are client-side components that run in the context of a SharePoint page. Client-side web parts can be deployed to SharePoint environments that support the SharePoint Framework. You can also use modern JavaScript web frameworks, tools, and libraries to build them.",