plugins/kotlinx-serialization/testData/boxIr/excludedFromFileExport.kt

// WITH_STDLIB
// TARGET_BACKEND: JS_IR
// TARGET_BACKEND: JS_IR_ES6
// RUN_PLAIN_BOX_FUNCTION
// INFER_MAIN_MODULE

// MODULE: lib
// FILE: lib.kt
@file:JsExport

import kotlinx.serialization.*
import kotlinx.serialization.json.*
import kotlinx.serialization.descriptors.*

@Serializable
class Basic(val name: String, val age: UInt)

@Serializable
class WithCompanion(val name: String, val age: UInt) {
    companion object {
        fun foo() = "Test"
    }
}

// FILE: test.js
function box() {
    const pkg = this.lib;
    const exportedDeclarationNames = Object.keys(pkg);

    if (exportedDeclarationNames.length != 2) return "fail: expect to have only 'Basic' and 'WithComapnion' names, but got: " + exportedDeclarationNames.join(", ")

    const { Basic, WithCompanion } = pkg;

    // TODO: Discuss if it's a safe change
    // if (Basic.Companion === undefined) return "fail: Unfortunatly we can't exclude the companion from export because it would break logic of other plugins";

    const basic = new Basic("Test", 44);

    if (basic.name !== "Test") return "fail: something wrong with a simple string field access";
    if (basic.age !== 44) return "fail: something wrong with a simple uint field access";

    if (WithCompanion.Companion === undefined) return "fail: User defined companion should be exported";
    if (WithCompanion.Companion.serializer !== undefined) return "fail: serializer fabric should not be exported";

    const withCompanion = new WithCompanion("Test", 44);

    if (withCompanion.name !== "Test") return "fail: something wrong with a simple string field access";
    if (withCompanion.age !== 44) return "fail: something wrong with a simple uint field access";
    if (WithCompanion.Companion.foo() !== "Test") return "fail: something wrong with user defined function inside companion"

    return "OK"
}