mergeLifecycleHook() — vue Function Reference

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

Function typescript CoreInstance Lifecycle calls 1

Entity Profile

CoreInstance→ Lifecycle→ mergeLifecycleHook() — vue Function Reference

Dependency Diagram

graph TD
  4b28485d_f15b_49df_c9d4_f1a07c4682cd["mergeLifecycleHook()"]
  0c7a046c_264a_0210_673d_11a8a8303267["dedupeHooks()"]
  4b28485d_f15b_49df_c9d4_f1a07c4682cd -->|calls| 0c7a046c_264a_0210_673d_11a8a8303267
  style 4b28485d_f15b_49df_c9d4_f1a07c4682cd 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
}