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Performance: don't spread in 'reduce'

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infinite-persistence 2021-05-27 20:48:55 +08:00 • committed by infinite-persistence
parent dec38e1770
commit 15015dacd7
1 changed files with 6 additions and 9 deletions
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15
ui/redux/reducers/tags.js
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@ -4,13 +4,10 @@ import { ACTIONS as LBRY_REDUX_ACTIONS, DEFAULT_KNOWN_TAGS, DEFAULT_FOLLOWED_TAG
import { handleActions } from 'util/redux-utils';
function getDefaultKnownTags() {
return DEFAULT_FOLLOWED_TAGS.concat(DEFAULT_KNOWN_TAGS).reduce(
(tagsMap, tag) => ({
...tagsMap,
[tag]: { name: tag },
}),
{}
);
return DEFAULT_FOLLOWED_TAGS.concat(DEFAULT_KNOWN_TAGS).reduce((tagsMap, tag) => {
tagsMap[tag] = { name: tag };
return tagsMap;
}, {});
}
const defaultState: TagState = {
@ -27,7 +24,7 @@ export default handleActions(
let newFollowedTags = followedTags.slice();
if (newFollowedTags.includes(name)) {
newFollowedTags = newFollowedTags.filter(tag => tag !== name);
newFollowedTags = newFollowedTags.filter((tag) => tag !== name);
} else {
newFollowedTags.push(name);
}
@ -57,7 +54,7 @@ export default handleActions(
let newKnownTags = { ...knownTags };
delete newKnownTags[name];
const newFollowedTags = followedTags.filter(tag => tag !== name);
const newFollowedTags = followedTags.filter((tag) => tag !== name);
return {
...state,