bigbluebutton-Github/bigbluebutton-html5/imports/ui/components/generic-content/utils.ts

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import { difference } from 'ramda';
const getDifferenceBetweenLists = <T>(previousState: T[], currentState: T[]): T[][] => {
const added = difference(currentState, previousState);
const removed = difference(previousState, currentState);
return [added, removed];
};
export default getDifferenceBetweenLists;