Reactda ichki komponentda holatni tahrirlash
Oldingi darsda olgan Product komponentimizni
ko'rib chiqamiz:
function Product({ id, name, cost, isEdit, toggleMode, editProd }) {
return <div>
name: {
isEdit
? <input value={name} onChange={event => editProd(id, 'name', event)} />
: <span>{name}</span>
}
cost: {
isEdit
? <input value={cost} onChange={event => editProd(id, 'cost', event)} />
: <span>{cost}</span>
}
<button onClick={() => toggleMode(id)}>
{isEdit ? 'save': 'edit'}
</button>
</div>;
}
Mahsulot nomi va mahsulot narxi uchun kod deyarli
takrorlanganligini osongina payqash mumkin.
Keling, ushbu kodni alohida ProductField
komponentiga ajratamiz:
function ProductField({ id, text, type, isEdit, editProd }) {
return isEdit
? <input value={text} onChange={event => editProd(id, type, event)} />
: <span>{text}</span>
;
}
Product komponentida o'zgartirishlar kiritamiz:
function Product({ id, name, cost, isEdit, toggleMode, editProd }) {
return <div>
name: <ProductField
id={id}
text={name}
type="name"
isEdit={isEdit}
editProd={editProd}
/>,
cost: <ProductField
id={id}
text={cost}
type="cost"
isEdit={isEdit}
editProd={editProd}
/>
<button onClick={() => toggleMode(id)}>
{isEdit ? 'save': 'edit'}
</button>
</div>;
}
Oldingi darslarda yaratgan User komponentingiz
bilan shunga o'xshash amallarni bajaring.