0f68bad3eb
## Why Frequently used; top in perf profile ## Changes 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.
100 lines
3.7 KiB
JavaScript
100 lines
3.7 KiB
JavaScript
import * as PAGES from 'constants/pages';
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import { DOMAIN } from 'config';
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import { connect } from 'react-redux';
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import { withRouter } from 'react-router';
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import { PAGE_SIZE } from 'constants/claim';
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import {
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makeSelectClaimForUri,
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makeSelectIsUriResolving,
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makeSelectTotalPagesForChannel,
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makeSelectTitleForUri,
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selectClaimIsMine,
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makeSelectClaimIsPending,
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makeSelectClaimIsStreamPlaceholder,
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} from 'redux/selectors/claims';
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import {
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makeSelectCollectionForId,
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makeSelectUrlsForCollectionId,
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makeSelectIsResolvingCollectionForId,
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} from 'redux/selectors/collections';
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import { doResolveUri } from 'redux/actions/claims';
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import { doClearPublish, doPrepareEdit } from 'redux/actions/publish';
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import { doFetchItemsInCollection } from 'redux/actions/collections';
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import { normalizeURI } from 'util/lbryURI';
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import * as COLLECTIONS_CONSTS from 'constants/collections';
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import { push } from 'connected-react-router';
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import { makeSelectChannelInSubscriptions } from 'redux/selectors/subscriptions';
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import { selectBlackListedOutpoints } from 'lbryinc';
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import ShowPage from './view';
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const select = (state, props) => {
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const { pathname, hash, search } = props.location;
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const urlPath = pathname + hash;
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const urlParams = new URLSearchParams(search);
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// Remove the leading "/" added by the browser
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let path = urlPath.slice(1).replace(/:/g, '#');
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// Google cache url
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// ex: webcache.googleusercontent.com/search?q=cache:MLwN3a8fCbYJ:https://lbry.tv/%40Bombards_Body_Language:f+&cd=12&hl=en&ct=clnk&gl=us
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// Extract the lbry url and use that instead
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// Without this it will try to render lbry://search
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if (search && search.startsWith('?q=cache:')) {
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const googleCacheRegex = new RegExp(`(https://${DOMAIN}/)([^+]*)`);
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const [x, y, googleCachedUrl] = search.match(googleCacheRegex); // eslint-disable-line
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if (googleCachedUrl) {
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const actualUrl = decodeURIComponent(googleCachedUrl);
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if (actualUrl) {
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path = actualUrl.replace(/:/g, '#');
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}
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}
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}
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let uri;
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try {
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uri = normalizeURI(path);
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} catch (e) {
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const match = path.match(/[#/:]/);
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if (path === '$/') {
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props.history.replace(`/`);
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} else if (!path.startsWith('$/') && match && match.index) {
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uri = `lbry://${path.slice(0, match.index)}`;
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props.history.replace(`/${path.slice(0, match.index)}`);
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}
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}
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const claim = makeSelectClaimForUri(uri)(state);
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const collectionId =
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urlParams.get(COLLECTIONS_CONSTS.COLLECTION_ID) ||
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(claim && claim.value_type === 'collection' && claim.claim_id) ||
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null;
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return {
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uri,
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claim,
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isResolvingUri: makeSelectIsUriResolving(uri)(state),
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blackListedOutpoints: selectBlackListedOutpoints(state),
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totalPages: makeSelectTotalPagesForChannel(uri, PAGE_SIZE)(state),
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isSubscribed: makeSelectChannelInSubscriptions(uri)(state),
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title: makeSelectTitleForUri(uri)(state),
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claimIsMine: selectClaimIsMine(state, claim),
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claimIsPending: makeSelectClaimIsPending(uri)(state),
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isLivestream: makeSelectClaimIsStreamPlaceholder(uri)(state),
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collection: makeSelectCollectionForId(collectionId)(state),
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collectionId: collectionId,
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collectionUrls: makeSelectUrlsForCollectionId(collectionId)(state),
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isResolvingCollection: makeSelectIsResolvingCollectionForId(collectionId)(state),
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};
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};
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const perform = (dispatch) => ({
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resolveUri: (uri) => dispatch(doResolveUri(uri)),
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beginPublish: (name) => {
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dispatch(doClearPublish());
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dispatch(doPrepareEdit({ name }));
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dispatch(push(`/$/${PAGES.UPLOAD}`));
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},
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fetchCollectionItems: (claimId) => dispatch(doFetchItemsInCollection({ collectionId: claimId })),
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});
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export default withRouter(connect(select, perform)(ShowPage));
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