mergeLifecycleHook() — vue Function Reference

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

Function typescript CoreRuntime Instance calls 1

Entity Profile

CoreRuntime→ Instance→ mergeLifecycleHook() — vue Function Reference

Dependency Diagram

graph TD
  ee78c2fc_9dcf_2a85_5e60_e4aaaa841eaf["mergeLifecycleHook()"]
  5c734a8f_efba_819c_28fc_f56bfd6b701f["options.ts"]
  ee78c2fc_9dcf_2a85_5e60_e4aaaa841eaf -->|defined in| 5c734a8f_efba_819c_28fc_f56bfd6b701f
  e8ab86c5_801f_2cac_563a_93dd5ffd6434["dedupeHooks()"]
  ee78c2fc_9dcf_2a85_5e60_e4aaaa841eaf -->|calls| e8ab86c5_801f_2cac_563a_93dd5ffd6434
  style ee78c2fc_9dcf_2a85_5e60_e4aaaa841eaf 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
}