whenTransitionEnds() — vue Function Reference

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

Function typescript WebPlatform WebRuntime calls 1 called by 2

Entity Profile

WebPlatform→ WebRuntime→ whenTransitionEnds() — vue Function Reference

Dependency Diagram

graph TD
  88c9bcbe_8cab_8911_ad5d_6a848e3ff126["whenTransitionEnds()"]
  b003e13b_30f4_2501_b631_df864fa7941b["enter()"]
  b003e13b_30f4_2501_b631_df864fa7941b -->|calls| 88c9bcbe_8cab_8911_ad5d_6a848e3ff126
  29af0f73_d62b_5291_e707_1f3301bf3357["leave()"]
  29af0f73_d62b_5291_e707_1f3301bf3357 -->|calls| 88c9bcbe_8cab_8911_ad5d_6a848e3ff126
  1fc2e044_c7b6_1a3e_78f8_060e569094c2["getTransitionInfo()"]
  88c9bcbe_8cab_8911_ad5d_6a848e3ff126 -->|calls| 1fc2e044_c7b6_1a3e_78f8_060e569094c2
  style 88c9bcbe_8cab_8911_ad5d_6a848e3ff126 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)
}