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Fixed: Speed up UI during refresh

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Don't update state if we know items are equal to avoid reselections.
Don't pass LastInfoUpdate to frontend to prevent useless updates (the
field isn't used)
This commit is contained in:
ta264
2019-12-19 21:29:15 +00:00
committed by Qstick
parent 5b07046396
commit 959b8ed83e
4 changed files with 30 additions and 12 deletions
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15
frontend/src/Store/Selectors/createMovieClientSideCollectionItemsSelector.js
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@@ -1,6 +1,6 @@
import { createSelector } from 'reselect';
import createDeepEqualSelector from './createDeepEqualSelector';
import { createSelector, createSelectorCreator, defaultMemoize } from 'reselect';
import createClientSideCollectionSelector from './createClientSideCollectionSelector';
import hasDifferentItemsOrOrder from 'Utilities/Object/hasDifferentItemsOrOrder';
function createUnoptimizedSelector(uiSection) {
return createSelector(
@@ -26,8 +26,17 @@ function createUnoptimizedSelector(uiSection) {
);
}
function movieListEqual(a, b) {
return hasDifferentItemsOrOrder(a, b);
}
const createMovieEqualSelector = createSelectorCreator(
defaultMemoize,
movieListEqual
);
function createMovieClientSideCollectionItemsSelector(uiSection) {
return createDeepEqualSelector(
return createMovieEqualSelector(
createUnoptimizedSelector(uiSection),
(movies) => movies
);