lbry-desktop/ui/js/selectors/cost_info.js
2017-08-30 13:40:51 -04:00

38 lines
1 KiB
JavaScript

import { createSelector } from "reselect";
import { selectCurrentParams } from "selectors/navigation";
export const _selectState = state => state.costInfo || {};
export const selectAllCostInfoByUri = createSelector(
_selectState,
state => state.byUri || {}
);
export const selectCostInfoForUri = (state, props) => {
return selectAllCostInfoByUri(state)[props.uri];
};
export const makeSelectCostInfoForUri = () => {
return createSelector(selectCostInfoForUri, costInfo => costInfo);
};
export const selectCostForCurrentPageUri = createSelector(
selectAllCostInfoByUri,
selectCurrentParams,
(costInfo, params) =>
params.uri && costInfo[params.uri] ? costInfo[params.uri].cost : undefined
);
export const selectFetchingCostInfo = createSelector(
_selectState,
state => state.fetching || {}
);
const selectFetchingCostInfoForUri = (state, props) => {
return selectFetchingCostInfo(state)[props.uri];
};
export const makeSelectFetchingCostInfoForUri = () => {
return createSelector(selectFetchingCostInfoForUri, fetching => !!fetching);
};