I want return all objects inside nested loop
const data = [{ id:1, products:[{id:1, name:'apple'}, {id:2, name:'orange'}] },
{id:2, products:[{id:3, name:'grapes'}, {id:4, name:'banana'}, {id:5, name:'dragonFruit'}]
}]
let result = data.map(item=>{
item?.products?.map(row=> return row) })
console.log(result )
result should be:
[{id: 1, name: 'apple'}
{id: 2, name: 'orange'}
{id: 3, name: 'grapes'}
{id: 4, name: 'banana'}
{id: 5, name: 'dragonFruit'}
]
It is possible to use flatMap with map.
let result = data.flatMap(({products})=>
products.map(prd=> ({...prd })))
Let me show an example:
const data = [
{ id:1,
products:[
{id:1, name:'apple'},
{id:2, name:'orange'}
]
},
{id:2,
products:[
{id:3, name:'grapes'},
{id:4, name:'banana'},
{id:5, name:'dragonFruit'}
]
}
]
let result = data.flatMap(({products})=>
products.map(prd=> ({ ...prd })))
console.log(result)
const data = [{ id:1, products:[{id:1, name:'apple'}, {id:2, name:'orange'}] },
{id:2, products:[{id:3, name:'grapes'}, {id:4, name:'banana'}, {id:5, name:'dragonFruit'}]
}]
let result = data.map(item=>{
let res = item.products.map((val) =>{
return val
})
return res
})
console.log(result)check the above snippet, here inner map function return the value to the outer map and from the outer map function I'm returning the result
You can do it using a nested loop, first map over the data and then over the products.
const data = [
{
id: 1,
products: [
{ id: 1, name: "apple" },
{ id: 2, name: "orange" },
],
},
{
id: 2,
products: [
{ id: 3, name: "grapes" },
{ id: 4, name: "banana" },
{ id: 5, name: "dragonFruit" },
],
},
];
function App() {
return (
<ul>
{data.map(({ products }) =>
products.map((p) => <li key={p.id}>{p.name}</li>)
)}
</ul>
);
}
const root = ReactDOM.createRoot(document.getElementById("root"));
root.render(<App />);<script crossorigin src="https://unpkg.com/react@18/umd/react.development.js"></script>
<script crossorigin src="https://unpkg.com/react-dom@18/umd/react-dom.development.js"></script>
<div id="root"></div>
You can use the flatMap. Read more about it at here
const data = [
{
id:1,
products:[{id:1, name:'apple'}, {id:2, name:'orange'}]
},
{
id:2,
products:[{id:3, name:'grapes'}, {id:4, name:'banana'}, {id:5, name:'dragonFruit'}]
}
];
const flatResult = data.flatMap(({products})=> products);
console.log(flatResult)The above will return the output as
[
{
"id": 1,
"name": "apple"
},
{
"id": 2,
"name": "orange"
},
{
"id": 3,
"name": "grapes"
},
{
"id": 4,
"name": "banana"
},
{
"id": 5,
"name": "dragonFruit"
}
]
let result = data.flatMap (item => item.products);