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How to use pathToId method in storybook-root

Best JavaScript code snippet using storybook-root

Comparison.ts

Source:Comparison.ts

1export interface DiffType<T> {2  Action: Action3  NewData: T4  PreviousData: T5}6export enum Action {7  Create,8  Remove,9  Update,10  None,11}12export function RetrieveIdByPath<T>(item: T, pathToID: string): string {13  return pathToID.split('.').reduce((prevValue, currPathToApply) => {14    return prevValue[currPathToApply]15  }, item)16}17export function NormalizeArrayToObject<T>(list: T[], pathToID: string): any {18  return list.reduce((prev, curr) => {19    const ID = RetrieveIdByPath(curr, pathToID)20    return Object.assign({}, prev, { [ID]: curr })21  }, {})22}23export function CompareLists<T>(24  newList: T[],25  previousList: T[],26  areTheSameFunction: (elemA: T, elemB: T) => boolean,27  pathToID: string,28  shouldReturnNones: boolean = false29): DiffType<T>[] {30  const normalizedNewList = NormalizeArrayToObject(newList, pathToID)31  const normalizedPreviousList = NormalizeArrayToObject(previousList, pathToID)32  const addAndUpdateItems = newList33    .map((itemInNewList) => {34      const itemInPreviousList =35        normalizedPreviousList[RetrieveIdByPath(itemInNewList, pathToID)]36      if (itemInPreviousList) {37        if (areTheSameFunction(itemInNewList, itemInPreviousList)) {38          return {39            Action: Action.None,40            NewData: itemInNewList,41            PreviousData: itemInPreviousList,42          }43        } else {44          return {45            Action: Action.Update,46            NewData: itemInNewList,47            PreviousData: itemInPreviousList,48          }49        }50      } else {51        return {52          Action: Action.Create,53          NewData: itemInNewList,54          PreviousData: itemInPreviousList,55        }56      }57    })58    .filter((i) => shouldReturnNones || i.Action !== Action.None)59  const RemoveItems = previousList60    .map((itemInPreviousList) => {61      const itemInNewList =62        normalizedNewList[RetrieveIdByPath(itemInPreviousList, pathToID)]63      if (itemInNewList) {64        if (areTheSameFunction(itemInNewList, itemInPreviousList)) {65          return {66            Action: Action.None,67            NewData: itemInNewList,68            PreviousData: itemInPreviousList,69          }70        } else {71          return {72            Action: Action.None,73            NewData: itemInNewList,74            PreviousData: itemInPreviousList,75          }76        }77      } else {78        return {79          Action: Action.Remove,80          NewData: itemInPreviousList,81          PreviousData: itemInPreviousList,82        }83      }84    })85    .filter((i) => i.Action !== Action.None)86  return addAndUpdateItems.concat(RemoveItems)...

pathToid.test.ts

Source:pathToid.test.ts

1import pathToId from './pathToId';2describe('pathToId', () => {3  describe('pathToId', () => {4    it('errors on invalid path', () => {5      expect(() => pathToId('/something/random')).toThrow(/Invalid/);6    });7    it('errors empty path', () => {8      expect(() => pathToId(null)).toThrow(/Invalid/);9    });10    it('succeeds on a valid path', () => {11      expect(pathToId('/story/some--id')).toBe('some--id');12    });13  });...

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