bug fix and performance improvements

miniprogram/miniprogram_npm/tdesign-miniprogram/switch/switch.d.ts

@@ -0,0 +1,21 @@
+import { SuperComponent } from '../common/src/index';
+export default class Switch extends SuperComponent {
+    externalClasses: string[];
+    behaviors: string[];
+    properties: import("./type").TdSwitchProps;
+    data: {
+        prefix: string;
+        classPrefix: string;
+        checked: boolean;
+    };
+    controlledProps: {
+        key: string;
+        event: string;
+    }[];
+    observers: {
+        value(val: any): void;
+    };
+    methods: {
+        handleSwitch(): void;
+    };
+}