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commitCachePassiveMountEffect() — react Function Reference

Architecture documentation for the commitCachePassiveMountEffect() function in ReactFiberCommitWork.js from the react codebase.

Function javascript BabelCompiler Validation calls 2 called by 3

Entity Profile

Dependency Diagram

graph TD
  b2abac0a_b636_f5de_817a_0aad16ff6bc1["commitCachePassiveMountEffect()"]
  e0fbfbd5_47b0_a489_0b36_bbfad9245544["ReactFiberCommitWork.js"]
  b2abac0a_b636_f5de_817a_0aad16ff6bc1 -->|defined in| e0fbfbd5_47b0_a489_0b36_bbfad9245544
  07f3c6d9_2fce_51ae_4408_e0d4ab7359a1["commitPassiveMountOnFiber()"]
  07f3c6d9_2fce_51ae_4408_e0d4ab7359a1 -->|calls| b2abac0a_b636_f5de_817a_0aad16ff6bc1
  c3c0c008_f543_54ba_5f17_334454e50793["reconnectPassiveEffects()"]
  c3c0c008_f543_54ba_5f17_334454e50793 -->|calls| b2abac0a_b636_f5de_817a_0aad16ff6bc1
  4ec30fe0_df47_e5db_0cf4_f03d14801fdc["commitAtomicPassiveEffects()"]
  4ec30fe0_df47_e5db_0cf4_f03d14801fdc -->|calls| b2abac0a_b636_f5de_817a_0aad16ff6bc1
  9b153302_815a_1f5e_73cd_e59240aaf8f6["retainCache()"]
  b2abac0a_b636_f5de_817a_0aad16ff6bc1 -->|calls| 9b153302_815a_1f5e_73cd_e59240aaf8f6
  403ebde6_eb4f_5227_0cbf_8f26881eabc7["releaseCache()"]
  b2abac0a_b636_f5de_817a_0aad16ff6bc1 -->|calls| 403ebde6_eb4f_5227_0cbf_8f26881eabc7
  style b2abac0a_b636_f5de_817a_0aad16ff6bc1 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/react-reconciler/src/ReactFiberCommitWork.js lines 3454–3474

function commitCachePassiveMountEffect(
  current: Fiber | null,
  finishedWork: Fiber,
) {
  let previousCache: Cache | null = null;
  if (finishedWork.alternate !== null) {
    previousCache = finishedWork.alternate.memoizedState.cache;
  }
  const nextCache = finishedWork.memoizedState.cache;
  // Retain/release the cache. In theory the cache component
  // could be "borrowing" a cache instance owned by some parent,
  // in which case we could avoid retaining/releasing. But it
  // is non-trivial to determine when that is the case, so we
  // always retain/release.
  if (nextCache !== previousCache) {
    retainCache(nextCache);
    if (previousCache != null) {
      releaseCache(previousCache);
    }
  }
}

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Defined In

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Frequently Asked Questions

What does commitCachePassiveMountEffect() do?
commitCachePassiveMountEffect() is a function in the react codebase, defined in packages/react-reconciler/src/ReactFiberCommitWork.js.
Where is commitCachePassiveMountEffect() defined?
commitCachePassiveMountEffect() is defined in packages/react-reconciler/src/ReactFiberCommitWork.js at line 3454.
What does commitCachePassiveMountEffect() call?
commitCachePassiveMountEffect() calls 2 function(s): releaseCache, retainCache.
What calls commitCachePassiveMountEffect()?
commitCachePassiveMountEffect() is called by 3 function(s): commitAtomicPassiveEffects, commitPassiveMountOnFiber, reconnectPassiveEffects.

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