Replace one/some of the other javascript files in app/assets/javascripts (and app/assets/javascripts/global-modules) that use the custom window.WebsiteOne code to define modules.
Convert them to Hotwire/Stimulus controllers like done in these PRs: #3890 and #3892
Replace one/some of the other javascript files in app/assets/javascripts (and app/assets/javascripts/global-modules) that use the custom window.WebsiteOne code to define modules.
Convert them to Hotwire/Stimulus controllers like done in these PRs: #3890 and #3892
Read through these to understand Stimulus: https://stimulus.hotwired.dev/ https://stimulus.hotwired.dev/handbook/introduction