Method setInstallCallback

hi_scripting/scripting/api/ScriptExpansion.cpp:1083–1092

}

void ScriptExpansionHandler::setInstallCallback(var installationCallback)
{
	if (HiseJavascriptEngine::isJavascriptFunction(installationCallback))
	{
		installCallback = WeakCallbackHolder(getScriptProcessor(), this, installationCallback, 1);
		installCallback.incRefCount();
		installCallback.addAsSource(this, "onExpansionInstall");
		installCallback.setThisObject(this);
	}
}

var ScriptExpansionHandler::getUninitialisedExpansions()
{