update component after mutation react code example
Example 1: how to update usequery after mutation in apollo client
const [mutate, { loading, error }] = useMutation(
isBooked ? CANCEL_TRIP : TOGGLE_CART,
{
variables: { launchId: id },
refetchQueries: [
{
query: GET_LAUNCH_DETAILS,
variables: { launchId: id },
},
]
}
);
Example 2: apollo graphql mutation hook
const UPDATE_TODO = gql`
mutation UpdateTodo($id: String!, $type: String!) {
updateTodo(id: $id, type: $type) {
id
type
}
}
`;
function Todos() {
const { loading, error, data } = useQuery(GET_TODOS);
const [updateTodo] = useMutation(UPDATE_TODO);
if (loading) return <p>Loading...</p>;
if (error) return <p>Error :(</p>;
return data.todos.map(({ id, type }) => {
let input;
return (
<div key={id}>
<p>{type}</p>
<form
onSubmit={e => {
e.preventDefault();
updateTodo({ variables: { id, type: input.value } });
input.value = '';
}}
>
<input
ref={node => {
input = node;
}}
/>
<button type="submit">Update Todo</button>
</form>
</div>
);
});
}