()
| 1320 | optimized, |
| 1321 | ) => { |
| 1322 | const componentUpdateFn = () => { |
| 1323 | if (!instance.isMounted) { |
| 1324 | let vnodeHook: VNodeHook | null | undefined |
| 1325 | const { el, props } = initialVNode |
| 1326 | const { bm, m, parent, root, type } = instance |
| 1327 | const isAsyncWrapperVNode = isAsyncWrapper(initialVNode) |
| 1328 | |
| 1329 | toggleRecurse(instance, false) |
| 1330 | // beforeMount hook |
| 1331 | if (bm) { |
| 1332 | invokeArrayFns(bm) |
| 1333 | } |
| 1334 | // onVnodeBeforeMount |
| 1335 | if ( |
| 1336 | !isAsyncWrapperVNode && |
| 1337 | (vnodeHook = props && props.onVnodeBeforeMount) |
| 1338 | ) { |
| 1339 | invokeVNodeHook(vnodeHook, parent, initialVNode) |
| 1340 | } |
| 1341 | if ( |
| 1342 | __COMPAT__ && |
| 1343 | isCompatEnabled(DeprecationTypes.INSTANCE_EVENT_HOOKS, instance) |
| 1344 | ) { |
| 1345 | instance.emit('hook:beforeMount') |
| 1346 | } |
| 1347 | toggleRecurse(instance, true) |
| 1348 | |
| 1349 | if (el && hydrateNode) { |
| 1350 | // vnode has adopted host node - perform hydration instead of mount. |
| 1351 | const hydrateSubTree = () => { |
| 1352 | if (__DEV__) { |
| 1353 | startMeasure(instance, `render`) |
| 1354 | } |
| 1355 | instance.subTree = renderComponentRoot(instance) |
| 1356 | if (__DEV__) { |
| 1357 | endMeasure(instance, `render`) |
| 1358 | } |
| 1359 | if (__DEV__) { |
| 1360 | startMeasure(instance, `hydrate`) |
| 1361 | } |
| 1362 | hydrateNode!( |
| 1363 | el as Node, |
| 1364 | instance.subTree, |
| 1365 | instance, |
| 1366 | parentSuspense, |
| 1367 | null, |
| 1368 | ) |
| 1369 | if (__DEV__) { |
| 1370 | endMeasure(instance, `hydrate`) |
| 1371 | } |
| 1372 | } |
| 1373 | |
| 1374 | if ( |
| 1375 | isAsyncWrapperVNode && |
| 1376 | (type as ComponentOptions).__asyncHydrate |
| 1377 | ) { |
| 1378 | ;(type as ComponentOptions).__asyncHydrate!( |
| 1379 | el as Element, |
nothing calls this directly
no test coverage detected