jszip convertion issue - Githubissues

Using dukat on jszip (https://github.com/Stuk/jszip/blob/master/index.d.ts) generates an invalid Kotlin file
@file:Suppress("INTERFACE_WITH_SUPERCLASS", "OVERRIDING_FINAL_MEMBER", "RETURN_TYPE_MISMATCH_ON_OVERRIDE", "CONFLICTING_OVERLOADS")

import kotlin.js.*
import org.khronos.webgl.*
import org.w3c.dom.*
import org.w3c.dom.events.*
import org.w3c.dom.parsing.*
import org.w3c.dom.svg.*
import org.w3c.dom.url.*
import org.w3c.fetch.*
import org.w3c.files.*
import org.w3c.notifications.*
import org.w3c.performance.*
import org.w3c.workers.*
import org.w3c.xhr.*
import JSZip.JSZipObject
import tsstdlib.PromiseConstructorLike
import JSZip.JSZipFileOptions
import JSZip.JSZipGeneratorOptions
import JSZip.JSZipLoadOptions
import JSZip.JSZipObjectOptions
import JSZip.`T$0`

external interface JSZipSupport {
    var arraybuffer: Boolean
    var uint8array: Boolean
    var blob: Boolean
    var nodebuffer: Boolean
}

external interface Metadata {
    var percent: Number
    var currentFile: String
}

typealias OnUpdateCallback = (metadata: Metadata) -> Unit

external interface InputByType {
    var base64: String
    var string: String
    var text: String
    var binarystring: String
    var array: Array<Number>
    var uint8array: Uint8Array
    var arraybuffer: ArrayBuffer
    var blob: Blob
    var stream: Any
}

external interface OutputByType {
    var base64: String
    var string: String
    var text: String
    var binarystring: String
    var array: Array<Number>
    var uint8array: Uint8Array
    var arraybuffer: ArrayBuffer
    var blob: Blob
    var nodebuffer: Any
}

external interface `T$1` {
    @nativeGetter
    operator fun get(key: String): JSZipObject?
    @nativeSetter
    operator fun set(key: String, value: JSZipObject)
}

external interface `T$3` {
    var Promise: PromiseConstructorLike
}

@Suppress("NESTED_CLASS_IN_EXTERNAL_INTERFACE")
@Suppress("NESTED_CLASS_IN_EXTERNAL_INTERFACE")
external interface JSZip {
    var files: `T$1`
    fun file(path: String): JSZipObject?
    fun file(path: RegExp): Array<JSZipObject>
    fun file(path: String, data: Any, options: JSZipFileOptions = definedExternally): JSZip /* this */
    fun file(path: String, data: Any): JSZip /* this */
    fun file(path: String, data: Promise<Any>, options: JSZipFileOptions = definedExternally): JSZip /* this */
    fun file(path: String, data: Promise<Any>): JSZip /* this */
    fun file(path: String, data: Nothing?, options: JSZipFileOptions /* JSZip.JSZipFileOptions & `T$2` */ = definedExternally): JSZip /* this */
    fun file(path: String, data: Nothing?): JSZip /* this */
    fun folder(name: String): JSZip?
    fun folder(name: RegExp): Array<JSZipObject>
    fun forEach(callback: (relativePath: String, file: JSZipObject) -> Unit)
    fun filter(predicate: (relativePath: String, file: JSZipObject) -> Boolean): Array<JSZipObject>
    fun remove(path: String): JSZip
    fun <T : String> generateAsync(options: JSZipGeneratorOptions<T> = definedExternally, onUpdate: OnUpdateCallback = definedExternally): Promise<Any>
    fun generateNodeStream(options: JSZipGeneratorOptions<String /* "nodebuffer" */> = definedExternally, onUpdate: OnUpdateCallback = definedExternally): NodeJS.ReadableStream
    fun loadAsync(data: String, options: JSZipLoadOptions = definedExternally): Promise<JSZip>
    fun loadAsync(data: String): Promise<JSZip>
    fun loadAsync(data: Array<Number>, options: JSZipLoadOptions = definedExternally): Promise<JSZip>
    fun loadAsync(data: Array<Number>): Promise<JSZip>
    fun loadAsync(data: Uint8Array, options: JSZipLoadOptions = definedExternally): Promise<JSZip>
    fun loadAsync(data: Uint8Array): Promise<JSZip>
    fun loadAsync(data: ArrayBuffer, options: JSZipLoadOptions = definedExternally): Promise<JSZip>
    fun loadAsync(data: ArrayBuffer): Promise<JSZip>
    fun loadAsync(data: Blob, options: JSZipLoadOptions = definedExternally): Promise<JSZip>
    fun loadAsync(data: Blob): Promise<JSZip>
    fun loadAsync(data: NodeJS.ReadableStream, options: JSZipLoadOptions = definedExternally): Promise<JSZip>
    fun loadAsync(data: NodeJS.ReadableStream): Promise<JSZip>
    @nativeInvoke
    operator fun invoke(): JSZip
    var prototype: JSZip
    var support: JSZipSupport
    var external: `T$3`
    var version: String
    interface JSZipObject {
        var name: String
        var dir: Boolean
        var date: Date
        var comment: String
        var unixPermissions: dynamic /* Number? | String? */
            get() = definedExternally
            set(value) = definedExternally
        var dosPermissions: Number?
        var options: JSZipObjectOptions
        fun <T : String> async(type: T, onUpdate: OnUpdateCallback = definedExternally): Promise<Any>
        fun nodeStream(type: String /* "nodebuffer" */ = definedExternally, onUpdate: OnUpdateCallback = definedExternally): NodeJS.ReadableStream
    }
    interface JSZipFileOptions {
        var base64: Boolean?
            get() = definedExternally
            set(value) = definedExternally
        var binary: Boolean?
            get() = definedExternally
            set(value) = definedExternally
        var date: Date?
            get() = definedExternally
            set(value) = definedExternally
        var compression: String?
            get() = definedExternally
            set(value) = definedExternally
        var comment: String?
            get() = definedExternally
            set(value) = definedExternally
        var optimizedBinaryString: Boolean?
            get() = definedExternally
            set(value) = definedExternally
        var createFolders: Boolean?
            get() = definedExternally
            set(value) = definedExternally
        var dir: Boolean?
            get() = definedExternally
            set(value) = definedExternally
        var dosPermissions: Number?
            get() = definedExternally
            set(value) = definedExternally
        var unixPermissions: dynamic /* Number? | String? */
            get() = definedExternally
            set(value) = definedExternally
    }
    interface JSZipObjectOptions {
        var compression: String /* "STORE" | "DEFLATE" */
    }
    interface `T$0` {
        var level: Number
    }
    interface JSZipGeneratorOptions<T : String> {
        var compression: String? /* "STORE" | "DEFLATE" */
            get() = definedExternally
            set(value) = definedExternally
        var compressionOptions: `T$0`?
            get() = definedExternally
            set(value) = definedExternally
        var type: T?
            get() = definedExternally
            set(value) = definedExternally
        var comment: String?
            get() = definedExternally
            set(value) = definedExternally
        var mimeType: String?
            get() = definedExternally
            set(value) = definedExternally
        val encodeFileName: ((filename: String) -> String)?
        var streamFiles: Boolean?
            get() = definedExternally
            set(value) = definedExternally
        var platform: String? /* "DOS" | "UNIX" */
            get() = definedExternally
            set(value) = definedExternally
    }
    interface JSZipLoadOptions {
        var base64: Boolean?
            get() = definedExternally
            set(value) = definedExternally
        var checkCRC32: Boolean?
            get() = definedExternally
            set(value) = definedExternally
        var optimizedBinaryString: Boolean?
            get() = definedExternally
            set(value) = definedExternally
        var createFolders: Boolean?
            get() = definedExternally
            set(value) = definedExternally
    }
}

@Suppress("NESTED_CLASS_IN_EXTERNAL_INTERFACE")
@Suppress("NESTED_CLASS_IN_EXTERNAL_INTERFACE")
external interface JSZip {
    var files: `T$1`
    fun file(path: String): JSZipObject?
    fun file(path: RegExp): Array<JSZipObject>
    fun file(path: String, data: Any, options: JSZipFileOptions = definedExternally): JSZip /* this */
    fun file(path: String, data: Any): JSZip /* this */
    fun file(path: String, data: Promise<Any>, options: JSZipFileOptions = definedExternally): JSZip /* this */
    fun file(path: String, data: Promise<Any>): JSZip /* this */
    fun file(path: String, data: Nothing?, options: JSZipFileOptions /* JSZip.JSZipFileOptions & `T$2` */ = definedExternally): JSZip /* this */
    fun file(path: String, data: Nothing?): JSZip /* this */
    fun folder(name: String): JSZip?
    fun folder(name: RegExp): Array<JSZipObject>
    fun forEach(callback: (relativePath: String, file: JSZipObject) -> Unit)
    fun filter(predicate: (relativePath: String, file: JSZipObject) -> Boolean): Array<JSZipObject>
    fun remove(path: String): JSZip
    fun <T : String> generateAsync(options: JSZipGeneratorOptions<T> = definedExternally, onUpdate: OnUpdateCallback = definedExternally): Promise<Any>
    fun generateNodeStream(options: JSZipGeneratorOptions<String /* "nodebuffer" */> = definedExternally, onUpdate: OnUpdateCallback = definedExternally): NodeJS.ReadableStream
    fun loadAsync(data: String, options: JSZipLoadOptions = definedExternally): Promise<JSZip>
    fun loadAsync(data: String): Promise<JSZip>
    fun loadAsync(data: Array<Number>, options: JSZipLoadOptions = definedExternally): Promise<JSZip>
    fun loadAsync(data: Array<Number>): Promise<JSZip>
    fun loadAsync(data: Uint8Array, options: JSZipLoadOptions = definedExternally): Promise<JSZip>
    fun loadAsync(data: Uint8Array): Promise<JSZip>
    fun loadAsync(data: ArrayBuffer, options: JSZipLoadOptions = definedExternally): Promise<JSZip>
    fun loadAsync(data: ArrayBuffer): Promise<JSZip>
    fun loadAsync(data: Blob, options: JSZipLoadOptions = definedExternally): Promise<JSZip>
    fun loadAsync(data: Blob): Promise<JSZip>
    fun loadAsync(data: NodeJS.ReadableStream, options: JSZipLoadOptions = definedExternally): Promise<JSZip>
    fun loadAsync(data: NodeJS.ReadableStream): Promise<JSZip>
    @nativeInvoke
    operator fun invoke(): JSZip
    var prototype: JSZip
    var support: JSZipSupport
    var external: `T$3`
    var version: String
    interface JSZipObject {
        var name: String
        var dir: Boolean
        var date: Date
        var comment: String
        var unixPermissions: dynamic /* Number? | String? */
            get() = definedExternally
            set(value) = definedExternally
        var dosPermissions: Number?
        var options: JSZipObjectOptions
        fun <T : String> async(type: T, onUpdate: OnUpdateCallback = definedExternally): Promise<Any>
        fun nodeStream(type: String /* "nodebuffer" */ = definedExternally, onUpdate: OnUpdateCallback = definedExternally): NodeJS.ReadableStream
    }
    interface JSZipFileOptions {
        var base64: Boolean?
            get() = definedExternally
            set(value) = definedExternally
        var binary: Boolean?
            get() = definedExternally
            set(value) = definedExternally
        var date: Date?
            get() = definedExternally
            set(value) = definedExternally
        var compression: String?
            get() = definedExternally
            set(value) = definedExternally
        var comment: String?
            get() = definedExternally
            set(value) = definedExternally
        var optimizedBinaryString: Boolean?
            get() = definedExternally
            set(value) = definedExternally
        var createFolders: Boolean?
            get() = definedExternally
            set(value) = definedExternally
        var dir: Boolean?
            get() = definedExternally
            set(value) = definedExternally
        var dosPermissions: Number?
            get() = definedExternally
            set(value) = definedExternally
        var unixPermissions: dynamic /* Number? | String? */
            get() = definedExternally
            set(value) = definedExternally
    }
    interface JSZipObjectOptions {
        var compression: String /* "STORE" | "DEFLATE" */
    }
    interface `T$0` {
        var level: Number
    }
    interface JSZipGeneratorOptions<T : String> {
        var compression: String? /* "STORE" | "DEFLATE" */
            get() = definedExternally
            set(value) = definedExternally
        var compressionOptions: `T$0`?
            get() = definedExternally
            set(value) = definedExternally
        var type: T?
            get() = definedExternally
            set(value) = definedExternally
        var comment: String?
            get() = definedExternally
            set(value) = definedExternally
        var mimeType: String?
            get() = definedExternally
            set(value) = definedExternally
        val encodeFileName: ((filename: String) -> String)?
        var streamFiles: Boolean?
            get() = definedExternally
            set(value) = definedExternally
        var platform: String? /* "DOS" | "UNIX" */
            get() = definedExternally
            set(value) = definedExternally
    }
    interface JSZipLoadOptions {
        var base64: Boolean?
            get() = definedExternally
            set(value) = definedExternally
        var checkCRC32: Boolean?
            get() = definedExternally
            set(value) = definedExternally
        var optimizedBinaryString: Boolean?
            get() = definedExternally
            set(value) = definedExternally
        var createFolders: Boolean?
            get() = definedExternally
            set(value) = definedExternally
    }
}
Note how JSZip is generated twice. Also Suppress("NESTED_CLASS_IN_EXTERNAL_INTERFACE") is generated twice. The class also does not have a companion object so you cannot write val zip = JSZip()
Kotlin / dukat

jszip convertion issue #420
