first add files

ProjectLiaisonForm/miniprogram_npm/tdesign-miniprogram/common/bus.d.ts

@@ -0,0 +1,7 @@
+export default class Bus {
+    listeners: Map<string, any>;
+    emitted: Set<string>;
+    constructor();
+    on(evtName: string, listener: any): void;
+    emit(evtName: string): void;
+}