feat: add nukkit package

packages/nukkit/src/command.ts

@@ -0,0 +1,41 @@
+import '@ms/nashorn'
+
+import { command, plugin } from '@ms/api'
+import { injectable, postConstruct, inject } from '@ms/container'
+
+let PluginCommand = Java.type('cn.nukkit.command.PluginCommand');
+let CommandExecutor = Java.type('cn.nukkit.command.CommandExecutor');
+
+@injectable()
+export class NukkitCommand extends command.Command {
+    @inject(plugin.PluginInstance)
+    private pluginInstance: any
+    private commandMap: any;
+
+    @postConstruct()
+    init() {
+        this.commandMap = base.getInstance().getServer().getCommandMap();
+    }
+    create(plugin: any, command: string) {
+        var cmd = this.commandMap.getCommand(command)
+        if (cmd && cmd instanceof PluginCommand) { return cmd };
+        cmd = new PluginCommand(command, this.pluginInstance)
+        this.commandMap.register(plugin.description.name, cmd);
+        return cmd;
+    }
+    remove(plugin: any, command: string) {
+        var cmd = this.commandMap.getCommand(command)
+        if (cmd && cmd instanceof PluginCommand) {
+            cmd.unregister(this.commandMap);
+        }
+    }
+    onCommand(plugin: any, command: any, executor: Function) {
+        // 必须指定需要实现的接口类型 否则MOD服会报错
+        command.setExecutor(new CommandExecutor({
+            onCommand: super.setExecutor(plugin, command, executor)
+        }));
+    }
+    onTabComplete(plugin: any, command: any, tabCompleter: Function) {
+        // Not Support
+    }
+}