68 lines
1.7 KiB
Dart
68 lines
1.7 KiB
Dart
import 'dart:async';
|
|
|
|
import 'package:fl_query/fl_query.dart';
|
|
import 'package:fl_query_hooks/src/use_query_client.dart';
|
|
import 'package:fl_query_hooks/src/utils/use_updater.dart';
|
|
import 'package:flutter/material.dart';
|
|
import 'package:flutter_hooks/flutter_hooks.dart';
|
|
|
|
Query<DataType, ErrorType> useQuery<DataType, ErrorType>(
|
|
final String queryKey,
|
|
final QueryFn<DataType> queryFn, {
|
|
final DataType? initial,
|
|
final RetryConfig? retryConfig,
|
|
final RefreshConfig? refreshConfig,
|
|
final JsonConfig<DataType>? jsonConfig,
|
|
final ValueChanged<DataType>? onData,
|
|
final ValueChanged<ErrorType>? onError,
|
|
|
|
// hook specific
|
|
final bool enabled = true,
|
|
}) {
|
|
final rebuild = useUpdater();
|
|
final client = useQueryClient();
|
|
final query = useMemoized<Query<DataType, ErrorType>>(() {
|
|
final query = client.createQuery<DataType, ErrorType>(
|
|
queryKey,
|
|
queryFn,
|
|
initial: initial,
|
|
jsonConfig: jsonConfig,
|
|
refreshConfig: refreshConfig,
|
|
retryConfig: retryConfig,
|
|
);
|
|
return query;
|
|
}, [queryKey]);
|
|
|
|
useEffect(() {
|
|
query.updateQueryFn(queryFn);
|
|
return null;
|
|
}, [queryFn, query]);
|
|
|
|
useEffect(() {
|
|
final removeListener = query.addListener(rebuild);
|
|
if (enabled) {
|
|
query.fetch();
|
|
}
|
|
return removeListener;
|
|
}, [query, enabled]);
|
|
|
|
useEffect(() {
|
|
StreamSubscription<DataType>? dataSubscription;
|
|
StreamSubscription<ErrorType>? errorSubscription;
|
|
|
|
if (onData != null) {
|
|
dataSubscription = query.dataStream.listen(onData);
|
|
}
|
|
if (onError != null) {
|
|
errorSubscription = query.errorStream.listen(onError);
|
|
}
|
|
|
|
return () {
|
|
dataSubscription?.cancel();
|
|
errorSubscription?.cancel();
|
|
};
|
|
}, [onData, onError, query]);
|
|
|
|
return query;
|
|
}
|