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useQueries.js
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Created
Sat, Jul 26, 16:14
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text/x-java
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Mon, Jul 28, 16:14 (2 d)
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rOACCT Open Access Compliance Check Tool (OACCT)
useQueries.js
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import
React
,
{
useMemo
}
from
'react'
;
import
{
notifyManager
}
from
'../core/notifyManager'
;
import
{
QueriesObserver
}
from
'../core/queriesObserver'
;
import
{
useQueryClient
}
from
'./QueryClientProvider'
;
export
function
useQueries
(
queries
)
{
var
mountedRef
=
React
.
useRef
(
false
);
var
_React$useState
=
React
.
useState
(
0
),
forceUpdate
=
_React$useState
[
1
];
var
queryClient
=
useQueryClient
();
var
defaultedQueries
=
useMemo
(
function
()
{
return
queries
.
map
(
function
(
options
)
{
var
defaultedOptions
=
queryClient
.
defaultQueryObserverOptions
(
options
);
// Make sure the results are already in fetching state before subscribing or updating options
defaultedOptions
.
optimisticResults
=
true
;
return
defaultedOptions
;
});
},
[
queries
,
queryClient
]);
var
_React$useState2
=
React
.
useState
(
function
()
{
return
new
QueriesObserver
(
queryClient
,
defaultedQueries
);
}),
observer
=
_React$useState2
[
0
];
var
result
=
observer
.
getOptimisticResult
(
defaultedQueries
);
React
.
useEffect
(
function
()
{
mountedRef
.
current
=
true
;
var
unsubscribe
=
observer
.
subscribe
(
notifyManager
.
batchCalls
(
function
()
{
if
(
mountedRef
.
current
)
{
forceUpdate
(
function
(
x
)
{
return
x
+
1
;
});
}
}));
return
function
()
{
mountedRef
.
current
=
false
;
unsubscribe
();
};
},
[
observer
]);
React
.
useEffect
(
function
()
{
// Do not notify on updates because of changes in the options because
// these changes should already be reflected in the optimistic result.
observer
.
setQueries
(
defaultedQueries
,
{
listeners
:
false
});
},
[
defaultedQueries
,
observer
]);
return
result
;
}
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