fix: task 6 review round 1

src/pages/checkout/index.tsx

@@ -36,7 +36,7 @@ export default function CheckoutPage() {
     }
     Taro.showModal({
       title: '确认下单',
-      content: `确认后将从设计清单生成订单，并寄送至：\n${address.region ? address.region.join(' ') : ''} ${address.detail}`,
+      content: `确认后将从设计清单生成订单，并寄送至：\n${formatAddress(address.region, address.detail)}`,
       success: (res) => {
         if (res.confirm) {
           designToOrder(design.id)
@@ -57,6 +57,10 @@ export default function CheckoutPage() {
 
   const hasStickers = design && design.designData && design.designData.stickers && design.designData.stickers.length > 0
   const hasLegacyImage = design && design.designData ? design.designData.imageSrc : undefined
+  const formatAddress = (region: string[] | undefined, detail: string) => {
+    const regionText = region ? region.join(' ') : ''
+    return regionText ? `${regionText} ${detail}` : detail
+  }
 
   if (!design) {
     return (
@@ -158,7 +162,7 @@ export default function CheckoutPage() {
                 <Text className='addr-phone'>{address.phone}</Text>
               </View>
               <Text className='addr-detail'>
-                {address.region ? address.region.join(' ') : ''} {address.detail}
+                {formatAddress(address.region, address.detail)}
               </Text>
             </View>
           ) : (
@@ -201,7 +205,7 @@ export default function CheckoutPage() {
                       {addr.isDefault && <Text className='addr-picker-default'>默认</Text>}
                     </View>
                     <Text className='addr-picker-detail'>
-                      {addr.region ? addr.region.join(' ') : ''} {addr.detail}
+                      {formatAddress(addr.region, addr.detail)}
                     </Text>
                   </View>
                 ))}