How to call an external JS file from a remote location and execute methods of that JS file within a controller?

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Assessment

Difficulty
5/5
Estimated time
Over a week
Newbie friendliness
20/100
Issue type
Documentation
Clarity
Needs clarification
Activity status
Stale
Tech stack
javascript, rails, ruby
Domain
backend, tooling

Research direction

The issue names no repository file or test; start by reading the ExecJS public API and how it relates to Ruby controllers and the remote URL. Done would require a maintainer-approved documented answer about whether this use case is supported, with the requested sample if it is.

Written by the indexing model from the issue text.

Description

I want to call this file : https://cdn.jsdelivr.net/tappy/latest/mainfile and use some methods directly from Rails controller. Is it possible?
If possible could someone post a sample code snippet of how this can be done?

Dominant language
Ruby
Stars
578
Forks
286
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