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kotlin-inject v0.4.1 Release Notes

Release Date: 2022-01-01 // over 2 years ago

  • 🔄 Changed

    • 👌 Improved generated code formatting.
    • ✂ Removed explicit retention annotation to get rid of kotlin js warnings.

    🛠 Fixed

    • 🛠 Fixes conflicting declarations when scoped @Provides functions returned the same type with different generic args.
    • 🛠 Fixes default parameter handling with lambda or lazy values.
    • 🛠 Fixes to kotlin native implementation that should make it more usable across threads. Note: the new memory model limitation is still present, but you can use https://github.com/touchlab/Stately to wrap the access when using the legacy memory model.

Previous changes from v0.4.0

  • 🔄 Changed

    • ⚡️ Updated kotlin to 1.5.31
    • ⚡️ Updated ksp to 1.5.31-1.0.1
    • Several improvements to code generation which often means less code is generated.

    ➕ Added

    • 👍 Multiple rounds handling: This includes support for using types generated by other ksp processors. As a side effect there is better error reporting for unresolved types.
    • 👌 Support for multiplatform/native. Check out the sample project.

    Note: components are thread-safe, however you will run into issues actually using them from other threads unless you enable the new memory model.

    • ➕ Added support for default args when injecting. If the type is present in the graph, it'll be injected, otherwise the default will be used.
      @Inject class MyClass(val dep: Dep = Dep("default"))

  @Component abstract ComponentWithDep {
      abstract val myClass: MyClass
      @Provides fun dep(): Dep = Dep("injected")
  }
  @Component abstract ComponentWithoutDep {
      abstract val myClass: MyClass
  }

  ComponentWithDep::class.create().myClass.dep // Dep("injected")
  ComponentWithoutDep::class.create().myClass.dep // Dep("default")