run() — vue Function Reference

Architecture documentation for the run() function in effectScope.ts from the vue codebase.

Function typescript VueCore GlobalAPI

Entity Profile

VueCore→ GlobalAPI→ run() — vue Function Reference

Dependency Diagram

graph TD
  b30bbc11_9716_a61c_ae7f_4a3052b2a283["run()"]
  15f3b57b_caa4_ff31_579b_0dcb115c7a9f["EffectScope"]
  b30bbc11_9716_a61c_ae7f_4a3052b2a283 -->|defined in| 15f3b57b_caa4_ff31_579b_0dcb115c7a9f
  style b30bbc11_9716_a61c_ae7f_4a3052b2a283 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/v3/reactivity/effectScope.ts lines 49–61

  run<T>(fn: () => T): T | undefined {
    if (this.active) {
      const currentEffectScope = activeEffectScope
      try {
        activeEffectScope = this
        return fn()
      } finally {
        activeEffectScope = currentEffectScope
      }
    } else if (__DEV__) {
      warn(`cannot run an inactive effect scope.`)
    }
  }