25 lines
784 B
JavaScript
25 lines
784 B
JavaScript
// @flow
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/**
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* Helper to extract livestream claim uris from the output of
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* `selectActiveLivestreams`.
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*
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* @param activeLivestreams Object obtained from `selectActiveLivestreams`.
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* @param channelIds List of channel IDs to filter the results with.
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* @returns {[]|Array<*>}
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*/
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export function getLivestreamUris(activeLivestreams: ?LivestreamInfo, channelIds: ?Array<string>) {
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let values = (activeLivestreams && Object.values(activeLivestreams)) || [];
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if (channelIds && channelIds.length > 0) {
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// $FlowFixMe
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values = values.filter((v) => channelIds.includes(v.creatorId) && Boolean(v.latestClaimUri));
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} else {
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// $FlowFixMe
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values = values.filter((v) => Boolean(v.latestClaimUri));
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}
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// $FlowFixMe
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return values.map((v) => v.latestClaimUri);
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}
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