CODEWITHSUNDEEP
reactjstypescript
titania
titania

Reputation: 73

React/Typescript Property 'data' does not exist on type 'IntrinsicAttributes & [Interface]'

I have created a Component where I am accessing a local json file and passing the array of objects to another component.

Code snippet for the first component -

import statement - import TvData from './Data/TVData.json';

for the second component I am passing the data like so, I am getting the Error for this line saying

Type '{ data: { id: number; name: string; price: number; imageUrl: string; }[]; }' is not assignable to type 'IntrinsicAttributes & dataProps'.
  Property 'data' does not exist on type 'IntrinsicAttributes & dataProps'.

<SecondComponent data={TvData} />

Code Snippet for the second component -

here I defined interface like so,

interface dataProp {
    id: number;
    name: string;
    price : number;
    imageUrl : string;
}
type dataProps = dataProp[];

and the functional Component with parameters like so,

function SecondComponent(data: dataProps)

inside which I am mapping through the array of objects from the json file

{
  data.map((item : dataProp) =>
   {
    return (
     <Item key={item.id}>
        {item.name}
      </Item>
           )
    }
  )}

I am new to React with Typescript so any sort of help would be appreciated.

Upvotes: 7

Views: 8517

Answers (1)

Kostiantyn Ko
Kostiantyn Ko

Reputation: 2736

component props must be an object, not an array. Try putting the array inside of one of the input props, like this:

interface Item {
    id: number;
    name: string;
    price : number;
    imageUrl : string;
}
type Props = { data: Item[] };

...

function SecondComponent(props: Props) {
  return props.data.map(item => (
     <Item key={item.id}>
        {item.name}
      </Item>
    ));
}

Upvotes: 7

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