perf: add truthProp util (#8522)

* perf: add TruthyProp util

* chore: rename

* chore: upd

src/progress/Progress.tsx

@@ -7,7 +7,7 @@ import {
   onMounted,
   defineComponent,
 } from 'vue';
-import { createNamespace, addUnit } from '../utils';
+import { truthProp, createNamespace, addUnit } from '../utils';
 import { useExpose } from '../composables/use-expose';
 
 const [name, bem] = createNamespace('progress');
@@ -20,6 +20,7 @@ export default defineComponent({
     inactive: Boolean,
     pivotText: String,
     textColor: String,
+    showPivot: truthProp,
     pivotColor: String,
     trackColor: String,
     strokeWidth: [Number, String],
@@ -28,10 +29,6 @@ export default defineComponent({
       required: true,
       validator: (value: number | string) => value >= 0 && value <= 100,
     },
-    showPivot: {
-      type: Boolean,
-      default: true,
-    },
   },
 
   setup(props) {