Me abin da Proxy da Reflect aka bukatarwa?

Question

Accepted Answer

**Proxy** yana linzamin wani abu kuma yana ba ka damar **tsadda** aiki mahimmanci a ka (get, set, has, delete, da sauransu) ta hanyar ayyukan mahadi da ake kira **traps**. **Reflect** yana samar da nau'ikan abin mahadi na wajen aiki a matsayin ayyuka, don haka traps na iya danna jiya ga dabi'a masu zafi.

```js
const user = { name: "Ann" };

proxied.name;     // logs "read name" → "Ann"
proxied.age = -5; // throws — intercepted by the set trap
```

## Ainihin lokuta na amfani

- **Reactivity**: Tsarin reactivity Vue 3 yana linzamin jiha a cikin Proxy saboda ya sani daidai lokacin da ka karanta ko ki rubuta kadari, kuma ta sake zarkakawa daidai.
- **Tabbatarwa / sarrafawa jiyya**: aiwatar da dokoki akan rubute kadari.
- **Rubuta / kayan aiki**: gida jiyya don debugging.
- **Darajar almara / kyauta na asali**: dawo jiya darajar da aka lissafi domin mabudin da babu.
- **Bakin jiya Array indices**, kwako maraunin maraunin, abokan API da ke haifar da hanyoyin jiya.

## Me yasa Reflect ya kasance

Innan traps kana bukatar aiwatar da aiki na *almara*. Amfani da `Reflect.get/set` (a badal `target[key]`) yana daidaita daidai yanayin waje kamar daidai `receiver` don gajaren getters/setters.

## Me yasa yake mahalaci

Proxies suna ba da alaƙa mai ƙarfi meta-programming da frameworks suka dogara.

Cinye jiyya shine **yawa** — kowane aiki ya wuce traps — saboda haka yi amfani da su inda tsadda a nan gaske, ba don ayyuka na yau-yau ba.