createOnceHandler() — vue Function Reference

Architecture documentation for the createOnceHandler() function in events.ts from the vue codebase.

Function typescript CoreRuntime Instance

Entity Profile

CoreRuntime→ Instance→ createOnceHandler() — vue Function Reference

Dependency Diagram

graph TD
  f650cf42_a759_184a_e3c4_eed4a9284002["createOnceHandler()"]
  7b0cc275_96e5_15f9_3ca6_626be691c291["events.ts"]
  f650cf42_a759_184a_e3c4_eed4a9284002 -->|defined in| 7b0cc275_96e5_15f9_3ca6_626be691c291
  style f650cf42_a759_184a_e3c4_eed4a9284002 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/core/instance/events.ts lines 32–40

function createOnceHandler(event, fn) {
  const _target = target
  return function onceHandler() {
    const res = fn.apply(null, arguments)
    if (res !== null) {
      _target.$off(event, onceHandler)
    }
  }
}