Let’s imagine you want to make a app in Snap! that extract all info about something, put it in a ZIP, and download it on the users machine. This is easy in JS, just plop in JSZip, new JSZip() and do it. But in Snap! you need to either have JS enabled, or see if you can find a extension that has JSZip, which to my knowledge there isn’t. What might be useful is some GitHub repo that, via a PR, someone can submit a extension to be allowed in Snap!. It will only allow PRs, obviously. So only Jens or bh or whoever can merge it and it shuld be allowed in Snap!. The extensions can probably just go on like, snap.berkeley.edu/userextensions, something like that.
There is already a repository of officially accepted extensions
Snap/libraries at master · jmoenig/Snap · GitHub ;)
written by Jens Mönig @ extensions.js
…
publishing an extension
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When you’re ready to publish your extension you can contact us to allow-list
the url hosting your JS file, or you can send me a Github pull-request to
include it in the main Snap branch.
Personal libraries thread