react-query-firebase / web/firestore / useQueryConstraints
Function: useQueryConstraints()
ts
function useQueryConstraints<AppModelType>(constraints): QueryNonFilterConstraint[];
Defined in: web/firestore/useQueryConstraints.ts:38
A hook to build a list of non-filter query constraints for firebase queries. It uses buildQueryConstraint method and useMemo hook.
Type Parameters
AppModelType
AppModelType
extends AppModel
= AppModel
Parameters
constraints
constraints
NonFilterQueryConstraint
<AppModelType
>[]
A list of constraints such as limit, order, offset.
Returns
QueryNonFilterConstraint
[]
Example
jsx
const firebaseConfig = {};
export const constraint = useQueryConstraints([
{
type: 'limit',
limit: 1
}
]};