createOnceHandler() — vue Function Reference

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

Function typescript WebPlatform RuntimeDirectives calls 1

Entity Profile

WebPlatform→ RuntimeDirectives→ createOnceHandler() — vue Function Reference

Dependency Diagram

graph TD
  34c2445b_200a_fb23_f095_2cea2106569e["createOnceHandler()"]
  44694542_85f2_5950_e7db_32a2d3c573be["remove()"]
  34c2445b_200a_fb23_f095_2cea2106569e -->|calls| 44694542_85f2_5950_e7db_32a2d3c573be
  style 34c2445b_200a_fb23_f095_2cea2106569e 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)
    }
  }
}