So, besides “regular” Kotlin scratch files, reading through the Kotlin 1.3.70 announcement made me believe it should also easily be possible to create “main.kts” scratches files that automatically have kotlin-main-kts.jar added to their classpath. However, it does not work for me. This is what I did:
In a Kotlin 1.5.10 project loaded into IDEA 2021.1.2 Ultimate, I chose File → New → Scratch File → Kotlin. As this creates a file named “scratch.kts” be default, I went ahead, right-clicked in the tab, chose Rename File... and renamed it to “scratch.main.kts”. Then I started typing @file:DependsOn("com.fasterxml.jackson.module:jackson-module-kotlin:2.12.3"), but the IDE tells me Unresolved reference: DependsOn.
So how can I get “main.kts” scratch files / scratch files in which I call pull dependencies to work?
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“main.kts” scripts are not supported in scratches yet.
But they are supported in InetlliJ as regular source files, including all completion/navigation with the dependencies declared in @DependsOn. (the @Import annotation is not supported yet though).
Just create a .main.kts file outside project source directories, and editing part should work fine.
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The “outside” was the important bit, thanks. I first had added my .main.kts file as a resource in an existing Kotlin project, and that did not work.
We have an excuse here - when a source - including script one - is a part of a module sources, its dependencies are processed according to the module settings. But of course we need to make it more obvious.
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@ilya.chernikov any plans to add completion/navigation support to the @Import annotation? My scripts re-use code of each other, and the lack of proper highlighting/completion/navigation for the imported bits of code makes main.kts scripts much less appealing, than they initially looked like.