db3556325e
* RN-566 Re-rendered PostList footer when channel ID changes * Refactor ChannelIntro mapStateToProps into selectors
22 lines
760 B
JavaScript
22 lines
760 B
JavaScript
// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
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// See License.txt for license information.
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import shallowEqual from 'shallow-equals';
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// Returns a function that will construct a memoized array of its arguments for use as
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// the extraData prop for a ListView so that its rows can be re-rendered even if the items
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// themselves don't change.
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export function makeExtraData() {
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let lastArgs = [];
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// Returns an array containing the arguments provided to this function.
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// If this function is called twice in a row with the same arguments,
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// it will return the exact same array.
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return (...args) => {
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if (!shallowEqual(lastArgs, args)) {
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lastArgs = args;
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}
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return lastArgs;
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};
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}
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