lbry-desktop/ui/js/selectors/content.js

import { createSelector } from 'reselect'
import {
  selectDaemonReady,
  selectCurrentPage,
} from 'selectors/app'

export const _selectState = state => state.content || {}

export const selectFeaturedUris = createSelector(
  _selectState,
  (state) => state.featuredUris
)

export const selectFetchingFeaturedUris = createSelector(
  _selectState,
  (state) => !!state.fetchingFeaturedContent
)

export const selectResolvingUris = createSelector(
  _selectState,
  (state) => state.resolvingUris || []
)

const selectResolvingUri = (state, props) => {
  return selectResolvingUris(state).indexOf(props.uri) != -1
}

export const makeSelectIsResolvingForUri = () => {
  return createSelector(
    selectResolvingUri,
    (resolving) => resolving
  )
}