lbry-desktop/ui/js/selectors/availability.js
2017-09-07 23:15:05 -04:00

28 lines
662 B
JavaScript

import { createSelector } from "reselect";
const _selectState = state => state.availability;
export const selectAvailabilityByUri = createSelector(
_selectState,
state => state.byUri || {}
);
export const makeSelectIsAvailableForUri = uri => {
return createSelector(
selectAvailabilityByUri,
byUri => (!byUri || byUri[uri] === undefined ? undefined : byUri[uri] > 0)
);
};
export const selectFetchingAvailability = createSelector(
_selectState,
state => state.fetching || {}
);
export const makeSelectFetchingAvailabilityForUri = uri => {
return createSelector(
selectFetchingAvailability,
byUri => byUri && byUri[uri]
);
};