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https://github.com/adamko-dev/kotlinx-serialization-typescript-generator

KxsTsGen :: Generate TypeScript interfaces from Kotlin classes
https://github.com/adamko-dev/kotlinx-serialization-typescript-generator

dukat kotlin kotlin-js kotlin-library kotlin-multiplatform kotlin-typescript kotlinx-serialization typescript

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KxsTsGen :: Generate TypeScript interfaces from Kotlin classes

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# Kotlinx Serialization TypeScript Generator

[Kotlinx Serialization TypeScript Generator](https://github.com/adamko-dev/kotlinx-serialization-typescript-generator)
(or **KxsTsGen** for short) creates TypeScript interfaces from
[Kotlinx Serialization](https://github.com/Kotlin/kotlinx.serialization/)
classes, allowing for quick and easy communication via JSON with a Kotlin-first approach.

```kotlin
import kotlinx.serialization.*
import dev.adamko.kxstsgen.*

@Serializable
class MyClass(
val aString: String,
var anInt: Int,
val aDouble: Double,
val bool: Boolean,
private val privateMember: String,
)

fun main() {
val tsGenerator = KxsTsGenerator()
println(tsGenerator.generate(MyClass.serializer()))
}
```

Generated TypeScript interface:

```typescript
export interface MyClass {
aString: string;
anInt: number;
aDouble: number;
bool: boolean;
privateMember: string;
}
```

Only Kotlinx Serialization
[`SerialDescriptor`s](https://kotlin.github.io/kotlinx.serialization/kotlinx-serialization-core/kotlinx.serialization.descriptors/-serial-descriptor/index.html)
are used to generate TypeScript.
They are flexible and comprehensive enough to allow for accurate TypeScript code, without any
surprises.

See
[the docs](https://adamko-dev.github.io/kotlinx-serialization-typescript-generator/)
for working examples.

## Status

| | Status | Notes |
|---------------------------------------|-----------------------------------------------------------------|:---------------------------------------------------------------------------------------------------------------|
| Kotlin multiplatform | ❓ | The codebase is multiplatform, but only JVM has been tested |
| `@SerialName` | ✅/⚠ | The serial name is directly converted and might produce invalid TypeScript |
| Basic classes | ✅ [example](./docs/basic-classes.md) | |
| Nullable and default-value properties | ✅ [example](./docs/default-values.md) | |
| Value classes | ✅ [example](./docs/value-classes.md) | |
| Enums | ✅ [example](./docs/enums.md) | |
| Lists | ✅ [example](./docs/lists.md) | |
| Maps | ✅/⚠ [example](./docs/maps.md) | Maps with complex keys are converted to an ES6 Map, [see documentation](./docs/maps.md#maps-with-complex-keys) |
| Polymorphism - Sealed classes | ✅/⚠ [example](./docs/polymorphism-sealed.md#sealed-classes) | Nested sealed classes are ignored, [see documentation](./docs/polymorphism-sealed.md#nested-sealed-classes) |
| Polymorphism - Open classes | ❌ [example](./docs/polymorphism-open.md) | Not implemented. Converted to `type MyClass = any` |
| `@JsonClassDiscriminator` | ❌ | Not implemented |
| JSON Content polymorphism | ❌ [example](./docs/polymorphism-open.md#json-content-polymorphism) | Not implemented. Converted to `type MyClass = any` |
| Edge cases - circular dependencies | ✅ [example](./docs/edgecases.md) | |