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Function getComponentName

docs/external/js/react-dom.development.js:1479–1551  ·  view source on GitHub ↗
(type)

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1477 }
1478
1479 function getComponentName(type) {
1480 if (type == null) {
1481 // Host root, text node or just invalid type.
1482 return null;
1483 }
1484
1485 {
1486 if (typeof type.tag === 'number') {
1487 error('Received an unexpected object in getComponentName(). ' + 'This is likely a bug in React. Please file an issue.');
1488 }
1489 }
1490
1491 if (typeof type === 'function') {
1492 return type.displayName || type.name || null;
1493 }
1494
1495 if (typeof type === 'string') {
1496 return type;
1497 }
1498
1499 switch (type) {
1500 case REACT_FRAGMENT_TYPE:
1501 return 'Fragment';
1502
1503 case REACT_PORTAL_TYPE:
1504 return 'Portal';
1505
1506 case REACT_PROFILER_TYPE:
1507 return "Profiler";
1508
1509 case REACT_STRICT_MODE_TYPE:
1510 return 'StrictMode';
1511
1512 case REACT_SUSPENSE_TYPE:
1513 return 'Suspense';
1514
1515 case REACT_SUSPENSE_LIST_TYPE:
1516 return 'SuspenseList';
1517 }
1518
1519 if (typeof type === 'object') {
1520 switch (type.$$typeof) {
1521 case REACT_CONTEXT_TYPE:
1522 return 'Context.Consumer';
1523
1524 case REACT_PROVIDER_TYPE:
1525 return 'Context.Provider';
1526
1527 case REACT_FORWARD_REF_TYPE:
1528 return getWrappedName(type, type.render, 'ForwardRef');
1529
1530 case REACT_MEMO_TYPE:
1531 return getComponentName(type.type);
1532
1533 case REACT_BLOCK_TYPE:
1534 return getComponentName(type.render);
1535
1536 case REACT_LAZY_TYPE:

Callers 15

describeFiberFunction · 0.70
isMountedFunction · 0.70
beginFiberMarkFunction · 0.70
clearFiberMarkFunction · 0.70
endFiberMarkFunction · 0.70
stopWorkLoopTimerFunction · 0.70
getMaskedContextFunction · 0.70
processChildContextFunction · 0.70
checkClassInstanceFunction · 0.70

Calls 3

errorFunction · 0.70
getWrappedNameFunction · 0.70

Tested by

no test coverage detected