Source symbols: packages/react-refresh/src/ReactFreshRuntime.js

Deterministic, value-free symbol metadata extracted from public source. Implementations and literal values are not copied into this page.

• Revision: main@83840902c890f0eb85decda239ef6b1b14945779 · 2026-07-20T14:18:32Z
• Declarations: 73
• Referenced calls: 30

Declared symbols

• Signature — type at line 22
• RendererHelpers — type at line 29
• PossiblyWeakMap — const at line 42; references Map, Set, WeakMap, getCustomHooks, for, get, computeFullKey
• allFamiliesByID — const at line 46; references Map, PossiblyWeakMap, Set, WeakMap, getCustomHooks, for, get, computeFullKey
• allFamiliesByType — const at line 47; references PossiblyWeakMap, Map, Set, WeakMap, getCustomHooks, for, get, computeFullKey
• allSignaturesByType — const at line 49; references PossiblyWeakMap, Map, Set, WeakMap, getCustomHooks, for, get, computeFullKey
• updatedFamiliesByType — const at line 53; references PossiblyWeakMap, Map, Set, WeakMap, getCustomHooks, for, get, computeFullKey
• pendingUpdates — let at line 58; references Map, Set, WeakMap, getCustomHooks, for, get, computeFullKey
• helpersByRendererID — const at line 61; references Map, Set, WeakMap, getCustomHooks, for, get, computeFullKey
• helpersByRoot — const at line 63; references Map, Set, WeakMap, getCustomHooks, for, get, computeFullKey
• mountedRoots — const at line 66; references Set, WeakMap, getCustomHooks, for, get, computeFullKey
• failedRoots — const at line 68; references Set, WeakMap, getCustomHooks, for, get, computeFullKey
• rootElements — const at line 73; references WeakMap, getCustomHooks, for, get, computeFullKey
• isPerformingRefresh — let at line 76; references getCustomHooks, for, get, computeFullKey
• computeFullKey — function at line 78; references getCustomHooks, for, get
• fullKey — let at line 83; references getCustomHooks
• hooks — let at line 84; references getCustomHooks
• hook — const at line 97
• nestedHookSignature — const at line 104; references get
• nestedHookKey — const at line 110; references computeFullKey
• haveEqualSignatures — function at line 121; references get, computeFullKey
• prevSignature — const at line 122; references get
• nextSignature — const at line 123; references get
• isReactClass — function at line 141
• canPreserveStateBetween — function at line 145; references isReactClass, getProperty, haveEqualSignatures
• resolveFamily — function at line 178; references get
• cloneMap — function at line 184; references set
• clone — const at line 185; references set
• cloneSet — function at line 191; references add
• clone — const at line 192; references add
• getProperty — function at line 200
• performReactRefresh — exported function at line 209; references Error, set, canPreserveStateBetween, add, setRefreshHandler, cloneSet, cloneMap, get, has, scheduleRoot, scheduleRefresh
• staleFamilies — const at line 224; references set, canPreserveStateBetween, add
• updatedFamilies — const at line 225; references set, canPreserveStateBetween, add
• updates — const at line 227; references set, canPreserveStateBetween, add
• prevType — const at line 232; references set, canPreserveStateBetween, add
• update — const at line 246
• didError — let at line 257; references cloneSet, cloneMap, get, Error, has, scheduleRoot
• firstError — let at line 258; references cloneSet, cloneMap, get, Error, has, scheduleRoot
• failedRootsSnapshot — const at line 264; references cloneSet, cloneMap, get, Error, has, scheduleRoot
• mountedRootsSnapshot — const at line 265; references cloneSet, cloneMap, get, Error, has, scheduleRoot
• helpersByRootSnapshot — const at line 266; references cloneMap, get, Error, has, scheduleRoot
• helpers — const at line 269; references get, Error
• element — const at line 284; references get, scheduleRoot
• helpers — const at line 296; references get, Error
• register — exported function at line 324; references has, get, set, push, getProperty, Error
• family — let at line 342; references get, set, push
• setSignature — exported function at line 369; references has, set, getProperty, Error
• collectCustomHooksForSignature — exported function at line 404; references get, computeFullKey, Error
• signature — const at line 406; references get, computeFullKey
• getFamilyByID — exported function at line 417; references get, Error
• getFamilyByType — exported function at line 427; references get, Error
• injectIntoGlobalHook — exported function at line 437; references Map, onCommitFiberUnmount, apply, set, delete, get, has, add, Error
• hook — let at line 444; references Map, onCommitFiberUnmount
• nextID — let at line 449; references Map, onCommitFiberUnmount
• oldInject — const at line 481; references apply, set
• id — const at line 483; references apply, set
• oldOnCommitFiberRoot — const at line 508
• oldOnScheduleFiberRoot — const at line 509
• helpers — const at line 533; references get, set, has, add, delete
• current — const at line 537; references has, add, delete
• alternate — const at line 538; references has, add, delete
• wasMounted — const at line 545; references has, add, delete
• isMounted — const at line 550; references add, delete
• hasUnrecoverableErrors — exported function at line 592
• _getMountedRootCount — exported function at line 598; references Error
• createSignatureFunctionForTransform — exported function at line 630; references setSignature, collectCustomHooksForSignature, Error
• savedType — let at line 637; references setSignature, collectCustomHooksForSignature
• hasCustomHooks — let at line 638; references setSignature, collectCustomHooksForSignature
• didCollectHooks — let at line 639; references setSignature, collectCustomHooksForSignature
• isLikelyComponentType — exported function at line 682; references getOwnPropertyNames, test, getProperty, Error
• ownNames — const at line 692; references getOwnPropertyNames
• name — const at line 708; references test, getProperty

Imported modules

• react-reconciler/src/ReactInternalTypes
• react-reconciler/src/ReactFiberHotReloading
• shared/ReactTypes
• shared/ReactSymbols
• react-devtools-core

File-level call references

• Error — line 36
• Map — line 46
• PossiblyWeakMap — line 48
• Set — line 66
• WeakMap — line 74
• getCustomHooks — line 86
• for — line 96
• get — line 104
• computeFullKey — line 110
• isReactClass — line 146
• getProperty — line 157
• haveEqualSignatures — line 172
• set — line 187
• add — line 194
• canPreserveStateBetween — line 238
• setRefreshHandler — line 254
• cloneSet — line 264
• cloneMap — line 266
• has — line 275
• scheduleRoot — line 286
• scheduleRefresh — line 306
• push — line 347
• register — line 355
• setSignature — line 388
• onCommitFiberUnmount — line 465
• apply — line 483
• delete — line 519
• collectCustomHooksForSignature — line 671
• getOwnPropertyNames — line 692
• test — line 709

Source: packages/react-refresh/src/ReactFreshRuntime.js