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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 26 27 28 29 30 31 32 33 | 3x 20x 20x 14x 14x 1x 4x | /* @flow */ import type { RouterHistory } from 'react-router' import type { HistoryNodes, HistoryNode, HistoryRootIndex, } from './TypeDefinitions' const HistoryUtils = { listen: (history: RouterHistory, callback: Function): Function => { let lastHistory = { ...history } return history.listen(() => { callback(lastHistory, history) lastHistory = { ...history } }) }, persistNodes: ( history: RouterHistory, historyNode: HistoryNode, historyRootIndex: HistoryRootIndex, ) => { return false }, saveNodes: (oldHistoryNodes: HistoryNodes): HistoryNodes => { return oldHistoryNodes }, } export default HistoryUtils |