whenTransitionEnds() — vue Function Reference

Architecture documentation for the whenTransitionEnds() function in transition-util.ts from the vue codebase.

Function typescript WebPlatform RuntimeModules calls 1

Entity Profile

WebPlatform→ RuntimeModules→ whenTransitionEnds() — vue Function Reference

Dependency Diagram

graph TD
  a91c7fdf_dfd4_ca46_afeb_f46ea34c1b98["whenTransitionEnds()"]
  559a8e6b_5e4b_bfb9_73ff_310344cb5333["transition-util.ts"]
  a91c7fdf_dfd4_ca46_afeb_f46ea34c1b98 -->|defined in| 559a8e6b_5e4b_bfb9_73ff_310344cb5333
  67ee7bcc_7bbc_0ec8_f207_3541819a38ef["getTransitionInfo()"]
  a91c7fdf_dfd4_ca46_afeb_f46ea34c1b98 -->|calls| 67ee7bcc_7bbc_0ec8_f207_3541819a38ef
  style a91c7fdf_dfd4_ca46_afeb_f46ea34c1b98 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/platforms/web/runtime/transition-util.ts lines 92–119

export function whenTransitionEnds(
  el: Element,
  expectedType: string | undefined,
  cb: Function
) {
  const { type, timeout, propCount } = getTransitionInfo(el, expectedType)
  if (!type) return cb()
  const event: string =
    type === TRANSITION ? transitionEndEvent : animationEndEvent
  let ended = 0
  const end = () => {
    el.removeEventListener(event, onEnd)
    cb()
  }
  const onEnd = e => {
    if (e.target === el) {
      if (++ended >= propCount) {
        end()
      }
    }
  }
  setTimeout(() => {
    if (ended < propCount) {
      end()
    }
  }, timeout + 1)
  el.addEventListener(event, onEnd)
}