docs: prop validation (#792)

Author: heappynd

questions/323-prop-validation/README.md

@@ -3,5 +3,16 @@
 
 Please validate the `type` prop of the `Button` component. it's accept the following strings `primary | ghost | dashed | link | text | default` only and the default value is `default`.
 
+```vue
+<script setup>
+defineProps({
+  type: {},
+})
+</script>
+
+<template>
+  <button>Button</button>
+</template>
+```
 
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questions/323-prop-validation/README.zh-CN.md

@@ -3,4 +3,16 @@
 
 请验证`Button`组件的`Prop`类型 ，使它只接收: `primary | ghost | dashed | link | text | default` ，且默认值为`default`。
 
+```vue
+<script setup>
+defineProps({
+  type: {},
+})
+</script>
+
+<template>
+  <button>Button</button>
+</template>
+```
+
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