add exports to uninstall plugin

info.toml

@@ -6,4 +6,5 @@ essential = true
 
 [script]
 dependencies = [ "Controls" ]
+exports = [ "src/Export.as" ]
 timeout = 0

src/Export.as

@@ -0,0 +1,8 @@
+namespace PluginManager
+{
+	/*
+	Queues a plugin for deletion. Note that this will invalidate the plugin object
+	passed in on the next frame! Do not use the Plugin handle after calling this!
+	*/
+	import void PluginUninstall(Meta::Plugin@ plugin) from "PluginManager";
+}

src/ExportImpl.as

@@ -0,0 +1,32 @@
+namespace PluginManager
+{
+	void PluginUninstall(Meta::Plugin@ plugin)
+	{
+		startnew(PluginUninstallAsync, plugin);
+	}
+
+	void PluginUninstallAsync(ref@ metaPlugin)
+	{
+		auto plugin = cast<Meta::Plugin>(metaPlugin);
+		if (plugin is null) {
+			error("tried to uninstall a plugin but it was null!");
+			return;
+		}
+
+		// Grab ID now since handle will be invalid after uninstalling
+		const string id = plugin.ID;
+
+		::PluginUninstallAsync(metaPlugin);
+		@metaPlugin = null;
+		@plugin = null;
+
+		// Make sure plugin tab (if open) updates correctly
+		for (int i = g_window.m_tabs.Length - 1; i >= 0; i--) {
+			auto tab = cast<PluginTab>(g_window.m_tabs[i]);
+			if (tab !is null && tab.m_plugin !is null && tab.m_plugin.m_id == id) {
+				tab.m_plugin.CheckIfInstalled();
+				break;
+			}
+		}
+	}
+}