Hi all, i am trying to find a way to export suspen...

# javascript

[Luv Kumar]

Hi all, i am trying to find a way to export suspend function for js target, i have gone through multiple resources online but i am not able to find a way to do that the way i want.
I want that suspend fun foo(): String should get converted to foo(): Promise<string>; in Js. From what i know there is no native support for this. I was able to reach a Js signature fooAsync(): Promise<String>; using kotlin-suspend-transform-compiler-plugin , but i would want to have the same signature(without async) as it would be easier for all 3 targets(android, ios and js) to follow the generated docs and use it.
Is there a way to achieve this ? other obv option is to have duplicate exported api interfaces for only js, but i really don't wish to go that route.
I was also thinking if this plugin or some other plugin could help me generate a synthetic function

@JsExport
@JsName("foo")
fun fooSynthetic(): Promise<String> // generated synthetic function

@JsName("_foo")
suspend fun foo(): String // original function defined in api

If somehow above could be achieved, i was thinking it could work ? (Please correct me if my thought process is wrong here, i am new to KMP)

Thanks.

[Edoardo Luppi]

The compiler plugin you mentioned supports modifying the generated suffix, see the defaultSuffix property if I'm not mistaken. You might want to experiment with an empty suffix and see what happens.

[Luv Kumar]

i had already tried empty suffix by using this annotation @JsPromise(suffix = "") but it doesn't work, because the synthetic kotlin function generated due to that will have same signature as the actual function(only differs on return type).

[Edoardo Luppi]

Honestly I'm out of ideas for this case as the predefined suffix wasn't a problem for me.

In our main project tho we manually implement a wrapping layer as we don't want to depend on a compiler plugin that might have issues or slow down development.