33 lines
1.2 KiB
JavaScript
33 lines
1.2 KiB
JavaScript
import { Observable } from '@apollo/client/core';
|
|
import { onError } from '@apollo/client/link/error';
|
|
import { isNavigatingAway } from '~/lib/utils/is_navigating_away';
|
|
|
|
/**
|
|
* Returns an ApolloLink (or null if not enabled) which supresses network
|
|
* errors when the browser is navigating away.
|
|
*
|
|
* @returns {ApolloLink|null}
|
|
*/
|
|
export const getSuppressNetworkErrorsDuringNavigationLink = () => {
|
|
return onError(({ networkError }) => {
|
|
if (networkError && isNavigatingAway()) {
|
|
// Return an observable that will never notify any subscribers with any
|
|
// values, errors, or completions. This ensures that requests aborted due
|
|
// to navigating away do not trigger any failure behaviour.
|
|
//
|
|
// See '../utils/suppress_ajax_errors_during_navigation.js' for an axios
|
|
// interceptor that performs a similar role.
|
|
return new Observable(() => {});
|
|
}
|
|
|
|
// We aren't suppressing anything here, so simply do nothing.
|
|
// The onError helper will forward all values/errors/completions from the
|
|
// underlying request observable to the next link if you return a falsey
|
|
// value.
|
|
//
|
|
// Note that this return statement is technically redundant, but is kept
|
|
// for explicitness.
|
|
return undefined;
|
|
});
|
|
};
|