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/*
* Copyright (c) 2017-present Robert Jaros
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package pl.treksoft.kvision
import pl.treksoft.kvision.panel.Root
import kotlin.browser.document
/**
* Base class for KVision applications.
*/
abstract class Application {
/**
* Starting point for an application.
*/
open fun start() {}
/**
* Starting point for an application with the state managed by Hot Module Replacement (HMR).
* @param state Initial state for Hot Module Replacement (HMR).
*/
open fun start(state: Map<String, Any>) {
start()
}
/**
* Ending point for an application.
* @return final state for Hot Module Replacement (HMR).
*/
open fun dispose(): Map<String, Any> {
return mapOf()
}
}
/**
* Main function for creating KVision applications.
*/
fun startApplication(builder: () -> Application) {
fun start(state: dynamic): Application? {
val application = builder()
@Suppress("UnsafeCastFromDynamic")
application.start(state?.appState ?: emptyMap())
return application
}
var application: Application? = null
val state: dynamic = module.hot?.let { hot ->
hot.accept()
hot.dispose { data ->
Root.disposeAllRoots()
data.appState = application?.dispose()
application = null
}
hot.data
}
if (document.body != null) {
application = start(state)
} else {
application = null
document.addEventListener("DOMContentLoaded", { application = start(state) })
}
}
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