default.beforeMount() — vue Function Reference

Architecture documentation for the default.beforeMount() function in transition-group.ts from the vue codebase.

Function typescript WebPlatform WebRuntime calls 1

Entity Profile

WebPlatform→ WebRuntime→ default.beforeMount() — vue Function Reference

Dependency Diagram

graph TD
  d6a7e770_33f9_01bf_f263_f94de7c267e8["default.beforeMount()"]
  42d899bd_4180_740d_cb17_22e7258ff665["setActiveInstance()"]
  d6a7e770_33f9_01bf_f263_f94de7c267e8 -->|calls| 42d899bd_4180_740d_cb17_22e7258ff665
  style d6a7e770_33f9_01bf_f263_f94de7c267e8 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/platforms/web/runtime/components/transition-group.ts lines 41–56

  beforeMount() {
    const update = this._update
    this._update = (vnode, hydrating) => {
      const restoreActiveInstance = setActiveInstance(this)
      // force removing pass
      this.__patch__(
        this._vnode,
        this.kept,
        false, // hydrating
        true // removeOnly (!important, avoids unnecessary moves)
      )
      this._vnode = this.kept
      restoreActiveInstance()
      update.call(this, vnode, hydrating)
    }
  },