dify/packages/dify-ui/vitest.setup.ts

import { cleanup } from '@testing-library/react'
import '@testing-library/jest-dom/vitest'
import { afterEach } from 'vitest'

if (typeof globalThis.ResizeObserver === 'undefined') {
  globalThis.ResizeObserver = class {
    observe() {
      return undefined
    }

    unobserve() {
      return undefined
    }

    disconnect() {
      return undefined
    }
  }
}

if (typeof globalThis.IntersectionObserver === 'undefined') {
  globalThis.IntersectionObserver = class {
    readonly root: Element | Document | null = null
    readonly rootMargin = ''
    readonly scrollMargin = ''
    readonly thresholds: ReadonlyArray<number> = []
    constructor(_callback: IntersectionObserverCallback, _options?: IntersectionObserverInit) {}
    observe(_target: Element) {}
    unobserve(_target: Element) {}
    disconnect() {}
    takeRecords(): IntersectionObserverEntry[] {
      return []
    }
  }
}

afterEach(() => {
  cleanup()
})