lodash-es#intersectionWith TypeScript Examples

The following examples show how to use lodash-es#intersectionWith. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: capacitor-filesystem-table.ts    From capture-lite with GNU General Public License v3.0 6 votes vote down vote up 
private assertNoConflictWithExistedTuples(
    tuples: T[],
    comparator: (x: T, y: T) => boolean
  ) {
    const conflicted = intersectionWith(
      tuples,
      this.tuples$.value ?? [],
      comparator
    );
    if (conflicted.length !== 0) {
      throw new Error(`Tuples existed: ${JSON.stringify(conflicted)}`);
    }
  }
Example #2
Source File: useCacheRender.ts    From UUI with MIT License 5 votes vote down vote up 
export function useArrayCacheRender<T>(
  data: T[],
  render: (data: T) => React.ReactNode,
  options: {
    id: (i: T) => string;
    comparator?: (previous: T, current: T) => boolean;
  },
) {
  const [list, setList] = useState<{
    id: string;
    rendered: React.ReactNode;
  }[]>([])
  const previous = usePrevious<T[]>(data) as T[]
  const current = data

  useEffect(() => {
    const isSameOne = (i: T, j: T) => options.id(i) === options.id(j)
    const intersected = intersectionWith(previous, current, isSameOne)
    const removing = xorWith(previous, intersected, isSameOne)
    const adding = xorWith(current, intersected, isSameOne)
    const updating = intersected.filter((i) => {
      const p = previous.find((j) => options.id(i) === options.id(j))
      const c = current.find((j) => options.id(i) === options.id(j))
      if (!p) return false
      if (!c) return false

      return options.comparator ? options.comparator(c, p) : !isEqual(c, p)
    })

    const newList = clone(list)

    for (const i of removing) {
      remove(newList, (r) => r.id === options.id(i))
    }
    for (const i of updating) {
      const index = list.findIndex((r) => r.id === options.id(i))
      const c = current.find((c) => options.id(c) === options.id(i))
      if (index > -1 && c) newList[index] = { id: options.id(c), rendered: render(c) }
    }
    for (const i of adding) {
      newList.push({ id: options.id(i), rendered: render(i) })
    }

    setList(newList)
  // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [previous, current])

  const rendered = useMemo(() => {
    return list.map((i) => i.rendered)
  }, [list])

  return rendered
}