getSuspenseInstanceFromFiber() — react Function Reference

Architecture documentation for the getSuspenseInstanceFromFiber() function in ReactFiberTreeReflection.js from the react codebase.

Function javascript BabelCompiler Validation

Entity Profile

BabelCompiler→ Validation→ getSuspenseInstanceFromFiber() — react Function Reference

Dependency Diagram

graph TD
  c9fbe73c_8260_2a4e_a432_d023bc615676["getSuspenseInstanceFromFiber()"]
  0dbcf9fa_e6db_e53a_9527_79526654a3ff["ReactFiberTreeReflection.js"]
  c9fbe73c_8260_2a4e_a432_d023bc615676 -->|defined in| 0dbcf9fa_e6db_e53a_9527_79526654a3ff
  style c9fbe73c_8260_2a4e_a432_d023bc615676 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/react-reconciler/src/ReactFiberTreeReflection.js lines 66–82

export function getSuspenseInstanceFromFiber(
  fiber: Fiber,
): null | SuspenseInstance {
  if (fiber.tag === SuspenseComponent) {
    let suspenseState: SuspenseState | null = fiber.memoizedState;
    if (suspenseState === null) {
      const current = fiber.alternate;
      if (current !== null) {
        suspenseState = current.memoizedState;
      }
    }
    if (suspenseState !== null) {
      return suspenseState.dehydrated;
    }
  }
  return null;
}