How to create JS library by scala-js

Question

How can I create a JS library in scala-js? I am using standard Play/Scala server + scala-js client with shared objects. I want my library to be on URI /api/mylib.js. I don't know how make scala-js client project without main method. Also how to generate scala-js code to the specific URL I need.

The particular URL at which you serve your .js file depends on your web server (Play!), not on Scala.js itself. This should be asked as a separate SO question with the playframework tag. — sjrd
– sjrd, Commented Jan 10, 2016 at 8:36

sjrd · Accepted Answer · 2016-01-10 08:48:44Z

2

To write a JS library, you need to export the public API to JavaScript.

You will also likely want to disable the generation of the "launcher", which looks for a JSApp in your classpath and calls its main method. Otherwise fastOptJS will complain that it cannot find any JSApp. You can do this with the following sbt setting:

persistLauncher := false

Edit: See also the blog post How to make an idiomatic Javascript library with Scala.js

edited Jan 10, 2016 at 8:48

answered Jan 10, 2016 at 8:35

sjrd

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