Function difference

packages/query-core/src/queriesObserver.ts:12–15

(array1: Array<T>, array2: Array<T>)

import type { QueryClient } from './queryClient'

function difference<T>(array1: Array<T>, array2: Array<T>): Array<T> {
  const excludeSet = new Set(array2)
  return array1.filter((x) => !excludeSet.has(x))
}

function replaceAt<T>(array: Array<T>, index: number, value: T): Array<T> {
  const copy = array.slice(0)