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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | 1x 2x 2x | import _ from 'lodash'; import { IVerticalListMenuState } from './VerticalListMenu'; export function onSelect( state: IVerticalListMenuState = {}, index: number ): IVerticalListMenuState { return { ...state, selectedIndices: [index], }; } export function onToggle( state: IVerticalListMenuState = {}, index: number ): IVerticalListMenuState { const expandedIndices = state.expandedIndices || []; return { ...state, expandedIndices: _.xor(expandedIndices, [index]), }; } |