run() — vue Function Reference

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

Function typescript CompilerSFC TemplateTransformer

Entity Profile

CompilerSFC→ TemplateTransformer→ run() — vue Function Reference

Dependency Diagram

graph TD
  7cec0c78_2a54_8d22_ac5d_877616db37e6["run()"]
  88c159e0_a17b_965d_b204_b7c3c59c6054["EffectScope"]
  7cec0c78_2a54_8d22_ac5d_877616db37e6 -->|defined in| 88c159e0_a17b_965d_b204_b7c3c59c6054
  style 7cec0c78_2a54_8d22_ac5d_877616db37e6 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.`)
    }
  }