The drag merge package is one of modules for GrapeCity SpreadJS.

For a detailed listing of SpreadJS sub-libraries and plug-ins, please see Using SpreadJS Libraries.

npm install @grapecity/spread-sheets-drag-merge

Visit the SpreadJS home page to get more information about the library: https://www.grapecity.com/spreadjs

You can ask any question about SpreadJS using the SpreadJS Forum.