mergeLifecycleHook() — vue Function Reference

Architecture documentation for the mergeLifecycleHook() function in options.ts from the vue codebase.

Function typescript CoreRuntime VNodePatch calls 1

Entity Profile

CoreRuntime→ VNodePatch→ mergeLifecycleHook() — vue Function Reference

Dependency Diagram

graph TD
  b7cef373_f281_57eb_3e1e_2768c334f5b3["mergeLifecycleHook()"]
  1146b821_fa5b_4b03_1dd5_6e372f2aac80["dedupeHooks()"]
  b7cef373_f281_57eb_3e1e_2768c334f5b3 -->|calls| 1146b821_fa5b_4b03_1dd5_6e372f2aac80
  style b7cef373_f281_57eb_3e1e_2768c334f5b3 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/core/util/options.ts lines 154–166

export function mergeLifecycleHook(
  parentVal: Array<Function> | null,
  childVal: Function | Array<Function> | null
): Array<Function> | null {
  const res = childVal
    ? parentVal
      ? parentVal.concat(childVal)
      : isArray(childVal)
      ? childVal
      : [childVal]
    : parentVal
  return res ? dedupeHooks(res) : res
}