variables in useQuery apollo
const GET_DOG_PHOTO = gql`
query Dog($breed: String!) {
dog(breed: $breed) {
id
displayImage
}
}
`;
function DogPhoto({ breed }) {
const { loading, error, data } = useQuery(GET_DOG_PHOTO, {
variables: { breed },
});
if (loading) return null;
if (error) return `Error! ${error}`;
return (
<img src={data.dog.displayImage} style={{ height: 100, width: 100 }} />
);
}appolo client variables pass
const query = gql`
query User($okta: String) {
User(okta: $okta){
id
}
}
`;
client.query({
query: query,
variables: {
okta: 'some string'
}
})graphql useQuery
function Dogs({ onDogSelected }) {
const { loading, error, data } = useQuery(GET_DOGS);
if (loading) return 'Loading...';
if (error) return `Error! ${error.message}`;
return (
<select name="dog" onChange={onDogSelected}>
{data.dogs.map(dog => (
<option key={dog.id} value={dog.breed}>
{dog.breed}
</option>
))}
</select>
);
}appolo client variables pass
export default graphql(QueryTodos, {
options: (props) => ({ variables: { userId: props.userId } })
})( Home );Copyright © 2021 Codeinu
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