This component does not work in Asp.Net MVC Razor page

[swuqi]

In my ASP.NET MVC project, another VUE split pane (https://github.com/PanJiaChen/vue-split-pane) component works. But this one does not work. It just shows two vertically rendered squares without the function to adjust the middle splitter bar. I downloaded this component from an NPM distribution as splitpanes.umd.min.js and its related files and tried to include them in the MVC project.