Reputation: 411
I am trying to take the array output of a GraphQL query and render it using React-Table but I am getting a Cannot read property 'forEach' of undefined
error.
The only other question similar to mine that I have managed to find has not helped (How to show data from GraphQL server to npm react-table?). When I printed the query result to the console it looks like a normal array to me so I am not sure why forEach does not recognise it.
Component code:
import React from 'react';
import { Query } from 'react-apollo';
import gql from 'graphql-tag';
import ReactTable from 'react-table';
import "react-table/react-table.css";
const getTemplatesQuery = gql`
{
getTemplates {
id
name
}
}
`;
const columns = [
{
Header: "ID",
accessor: "id"
},
{
Header: "Name",
accessor: "name"
}
];
const Templates = () => (
<Query
query = {getTemplatesQuery}>
{({ loading, error, data }) => {
if (loading) return <p>Loading...</p>;
if (error) return <p>error</p>;
// return data.getTemplates.map(({ id, name }) => (
// <p key={id} >{`${name}`}</p>
// ));
console.log(data);
return (
<div>
<ReactTable>
data = { data.getTemplates }
columns = { columns }
defaultPageSize = { 10 }
</ReactTable>
</div>
);
}}
</Query>
)
export default Templates;
App code:
...
class App extends Component {
render() {
return (
<ApolloProvider client={client}>
<div>
<h2>My first Apollo app</h2>
<Templates />
</div>
</ApolloProvider>
);
}
}
render(<App />, document.getElementById("root"));
Upvotes: 0
Views: 1744
Reputation: 4872
Your syntax for react table is wrong, it should be something like this
<ReactTable
data={data.getTemplates}
columns={columns}
defaultPageSize={10}
/>
Upvotes: 1