LibreJS compatibility

[TechnologyClassroom]

It would be nice if OSM became LibreJS compliant.

Instructions:

• Setting your JavaScript free
• Setting your JavaScript free from the LibreJS manual

Practical reasons for adding LibreJS compliance:

• https://www.openstreetmap.org does not seem to link to this repository at a first glance. Without knowing about this repository, the frontend seems to be proprietary.
• The scripts are minified with long nonsensical filenames and do not link to their unminified counterparts. This makes them difficult to understand without comments or variable names.

[tomhughes]

Is there some javascript on our web site that you think is not under an open source license? I'm not aware of any.

[TechnologyClassroom]

I hope not. This license tag change would affect users of the LibreJS extension.

[tomhughes]

Perhaps if you explain exactly what it is you want instead of expecting me to read thousands of words of polemic it might be easier to assess your request.

[TechnologyClassroom]

With LibreJS installed, I have to whitelist two external scripts, reload, whitelist a third script, and reload before the page works. Exact instructions would require a better understanding of how the JavaScript is served. Maybe web labels would be the best approach.

An simple example of a script tag would look like this:

<script>
// @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-2.0
var myString = "Hello World!";
alert(myString);
// @license-end
</script>

[tomhughes]

There are probably a hundred or more different pieces of javascript and they're changing all the time - we're not going to go round trying to catalogue them with some esoteric labels just because you're chosen to shoot yourself in the foot.

[TechnologyClassroom]

Can you provide some insight into how JavaScript is handled by the project? Is JavaScript bundled by an upstream project?

This is my first time interacting with the git, but I have promoted OSM, used the map daily, and have contributed changes to the OSM database for several years.

[mmd-osm]

iD editor which is included in this repo has 74 direct dependencies: https://github.com/openstreetmap/iD/network/dependencies and many more indirect ones (some of which are only dev dependencies). Tagging those in the source code doesn’t seem feasible at all.

[TechnologyClassroom]

Right. Manually tagging all of these would be impractical. Some of those dependencies might be on the backend and would not need tagging. A programmatic approach would be best.

iD's ARCHITECTURE.md says rollup.js is used as a bundler. Is that the piece that minifies JS and adds unique strings?