reselect/test/customMatchers.d.ts

import type { Assertion, AsymmetricMatchersContaining } from 'vitest'

interface CustomMatchers<R = unknown> {
  toBeMemoizedSelector(): R
}

declare module 'vitest' {
  interface Assertion<T = any> extends CustomMatchers<T> {}
  interface AsymmetricMatchersContaining extends CustomMatchers {}
}