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retainCache() — react Function Reference

Architecture documentation for the retainCache() function in ReactFiberCacheComponent.js from the react codebase.

Function javascript BabelCompiler Validation called by 4

Entity Profile

Dependency Diagram

graph TD
  9b153302_815a_1f5e_73cd_e59240aaf8f6["retainCache()"]
  8d310484_4245_75c0_c183_7a31fce6815e["ReactFiberCacheComponent.js"]
  9b153302_815a_1f5e_73cd_e59240aaf8f6 -->|defined in| 8d310484_4245_75c0_c183_7a31fce6815e
  2d036adb_abc2_6b17_a780_276a2848fe77["commitOffscreenPassiveMountEffects()"]
  2d036adb_abc2_6b17_a780_276a2848fe77 -->|calls| 9b153302_815a_1f5e_73cd_e59240aaf8f6
  b2abac0a_b636_f5de_817a_0aad16ff6bc1["commitCachePassiveMountEffect()"]
  b2abac0a_b636_f5de_817a_0aad16ff6bc1 -->|calls| 9b153302_815a_1f5e_73cd_e59240aaf8f6
  07f3c6d9_2fce_51ae_4408_e0d4ab7359a1["commitPassiveMountOnFiber()"]
  07f3c6d9_2fce_51ae_4408_e0d4ab7359a1 -->|calls| 9b153302_815a_1f5e_73cd_e59240aaf8f6
  19b7647a_1cb8_04c7_c5f0_d84f212da7c7["commitPassiveUnmountInsideDeletedTreeOnFiber()"]
  19b7647a_1cb8_04c7_c5f0_d84f212da7c7 -->|calls| 9b153302_815a_1f5e_73cd_e59240aaf8f6
  style 9b153302_815a_1f5e_73cd_e59240aaf8f6 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/react-reconciler/src/ReactFiberCacheComponent.js lines 90–100

export function retainCache(cache: Cache) {
  if (__DEV__) {
    if (cache.controller.signal.aborted) {
      console.warn(
        'A cache instance was retained after it was already freed. ' +
          'This likely indicates a bug in React.',
      );
    }
  }
  cache.refCount++;
}

Domain

Subdomains

Defined In

Called By

Source

Frequently Asked Questions

What does retainCache() do?
retainCache() is a function in the react codebase, defined in packages/react-reconciler/src/ReactFiberCacheComponent.js.
Where is retainCache() defined?
retainCache() is defined in packages/react-reconciler/src/ReactFiberCacheComponent.js at line 90.
What calls retainCache()?
retainCache() is called by 4 function(s): commitCachePassiveMountEffect, commitOffscreenPassiveMountEffects, commitPassiveMountOnFiber, commitPassiveUnmountInsideDeletedTreeOnFiber.

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