createOnceHandler() — vue Function Reference

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

Function typescript WebPlatform WebRuntime calls 1

Entity Profile

WebPlatform→ WebRuntime→ createOnceHandler() — vue Function Reference

Dependency Diagram

graph TD
  ba6485f4_1064_da79_6393_9fa6247b113e["createOnceHandler()"]
  7cb9e7cf_0f27_b773_8842_aa61c5176f46["remove()"]
  ba6485f4_1064_da79_6393_9fa6247b113e -->|calls| 7cb9e7cf_0f27_b773_8842_aa61c5176f46
  style ba6485f4_1064_da79_6393_9fa6247b113e fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/platforms/web/runtime/modules/events.ts lines 35–43

function createOnceHandler(event, handler, capture) {
  const _target = target // save current target element in closure
  return function onceHandler() {
    const res = handler.apply(null, arguments)
    if (res !== null) {
      remove(event, onceHandler, capture, _target)
    }
  }
}