| /* |
| * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors. |
| * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file. |
| */ |
| |
| package kotlin |
| |
| import kotlin.js.ExperimentalWasmJsInterop |
| |
| /** |
| * Implements annotated function in JavaScript and automatically imports is to Wasm. |
| * [code] string must contain JS expression that evaluates to JS function with signature that matches annotated kotlin function |
| * |
| * For example, a function that adds two Doubles via JS: |
| * |
| * @JsFun("(x, y) => x + y") |
| * fun jsAdd(x: Double, y: Double): Double = |
| * error("...") |
| * |
| * This is a temporary annotation because K/Wasm <-> JS interop is not designed yet. |
| */ |
| @ExperimentalWasmJsInterop |
| @SinceKotlin("2.2") |
| @Target(AnnotationTarget.FUNCTION, AnnotationTarget.PROPERTY_GETTER, AnnotationTarget.PROPERTY_SETTER) |
| @Retention(AnnotationRetention.BINARY) |
| public annotation class JsFun(val code: String) |
