lbry-desktop/ui/component/channelStakedIndicator/index.js
jessopb a3398843c2
Optimize selectClaimIsMine (#7370)
Frequently used; top in perf profile

Most of the time, you already have the claim object in the current context. `selectClaimIsMineForUri` will retrieve the claim again, which is wasteful, even if it is memoized (looking up the cache still takes time).

Break apart the logic and added the alternative `selectClaimIsMine` for faster lookup.

Co-authored-by: infinite-persistence <inf.persistence@gmail.com>
2021-12-31 12:52:26 -05:00

15 lines
505 B
JavaScript

import { connect } from 'react-redux';
import {
makeSelectClaimForUri,
selectTotalStakedAmountForChannelUri,
selectStakedLevelForChannelUri,
} from 'redux/selectors/claims';
import ChannelStakedIndicator from './view';
const select = (state, props) => ({
channelClaim: makeSelectClaimForUri(props.uri)(state),
amount: selectTotalStakedAmountForChannelUri(state, props.uri),
level: selectStakedLevelForChannelUri(state, props.uri),
});
export default connect(select)(ChannelStakedIndicator);