Add Ktor builder using Resource

[gutiory]

This PR creates a function that allows to build a Ktor engine as a Resource

[nomisRev]

LGTM so far @gutiory ☺️

[nomisRev]

Remove js and mingwX64 from gradle

Is this not possible? 🤔

[gutiory]

Remove js and mingwX64 from gradle

Is this not possible? 🤔

Ktor-server-core does not have support for js and mingwX64 😞

[nomisRev]

Hey @gutiory,
I checked out this branch and there are a couple things broken. So let's walk through the steps why we're getting a false-positive green build.

1. When working with Kotlin Multiplatform main is not a valid sourceSet, so this code is currently not being picked up by gradle and is not being compiled. As a result IDEA also doesn't show any red lines, as analyse (or type checking) is not occurring on the code. To fix this we need to rename the main directory to commonMain.

2. When doing so the build will turn red, and we'll find that ApplicationEngine cannot be resolved. Currently the module is depending on io.ktor:ktor-server-core, but this seems to be the wrong artefact for ApplicationEngine in a KMP setting. Instead we need to depend on ktor-server-host-common, and this will give us access to import io.ktor.server.engine.ApplicationEngine & co from commonMain.

3. Finally, you'll find the build is still red since we're still returning Resource<ApplicationEngine> and we wanted to return ApplicationEngine directly. In Arrow 1.1.4 this can be done by using install({ }) { app, exitCase -> ... } but we don't have that syntax available yet in 1.1.3. To quick-fix this we can just use Resource({ }) { app, exitCase -> ... }.bind(). We're however currently in the process of releasing Arrow 1.1.4/5 so we can also postpone this PR/release 1 week and use install directly.

[gutiory]

Good catch @nomisRev !. Thanks a lot for your analysis.
I'm fine waiting until the next Arrow version is release to use the new Resource syntax.

[nomisRev]

@gutiory Arrow 1.1.5 is released, and the version bump has been merged into main.
So you can make the changes, we can merge this PR and release a new version of SuspendApp with the new module 🥳

[nomisRev]

🥳 Thank you for an awesome first contribution @gutiory