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onScopeDispose() — vue Function Reference

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

Function typescript CoreRuntime VNodePatch

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src/v3/reactivity/effectScope.ts lines 128–137

export function onScopeDispose(fn: () => void) {
  if (activeEffectScope) {
    activeEffectScope.cleanups.push(fn)
  } else if (__DEV__) {
    warn(
      `onScopeDispose() is called when there is no active effect scope` +
        ` to be associated with.`
    )
  }
}

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