Include a javascript file in Shiny app

Question

I need to include a js library into my Shiny app. Currently I use includeHTML to include the script directly into html codes. e.g.

includeHTML(\'URL.js\')
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Answer 1

Another option not discussed yet is that you just delete the ui.R file entirely, and then code the entire thing as a custom HTML file. Details here https://shiny.rstudio.com/articles/html-ui.html

In this article, the default HTML form elements are automatically used as inputs in server.R, but you can also build custom input (or output) elements for shiny with this guide https://shiny.rstudio.com/articles/building-inputs.html