mergeLifecycleHook() — vue Function Reference

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

Function typescript VueCore VDom calls 1

Entity Profile

VueCore→ VDom→ mergeLifecycleHook() — vue Function Reference

Dependency Diagram

graph TD
  1f799920_d79b_a3eb_053a_f8aeb70b175a["mergeLifecycleHook()"]
  395cc6b0_6f88_f1b1_f5dd_8cdf5c229777["options.ts"]
  1f799920_d79b_a3eb_053a_f8aeb70b175a -->|defined in| 395cc6b0_6f88_f1b1_f5dd_8cdf5c229777
  a0640dd9_892b_d369_adb7_f8020b1c4027["dedupeHooks()"]
  1f799920_d79b_a3eb_053a_f8aeb70b175a -->|calls| a0640dd9_892b_d369_adb7_f8020b1c4027
  style 1f799920_d79b_a3eb_053a_f8aeb70b175a 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
}