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How to use getHostContext method in Playwright Internal
Best JavaScript code snippet using playwright-internal
ReactFiberCompleteWork.js
Source:ReactFiberCompleteWork.js 
...131 // have newProps so we'll have to reuse them.132 // TODO: Split the update API as separate for the props vs. children.133 // Even better would be if children weren't special cased at all tho.134 const instance = workInProgress.stateNode;135 const currentHostContext = getHostContext();136 // TODO: Experiencing an error where oldProps is null. Suggests a host137 // component is hitting the resume path. Figure out why. Possibly138 // related to `hidden`.139 const updatePayload = prepareUpdate(140 instance,141 type,142 oldProps,143 newProps,144 rootContainerInstance,145 currentHostContext,146 );147 // TODO this specific to this type of component.148 workInProgress.updateQueue = (updatePayload);149 // If the update payload indicates that there is a change or if there150 // is a new ref we mark this as an update. All the work is done in commitWork.151 if (updatePayload) {152 markUpdate(workInProgress);153 }154 };155 updateHostText = function (156 current,157 workInProgress,158 oldText,159 newText,160 ) {161 // If the text differs, mark it as an update. All the work in done in commitWork.162 if (oldText !== newText) {163 markUpdate(workInProgress);164 }165 };166} else if (supportsPersistence) {167 // Persistent host tree mode168 appendAllChildren = function (169 parent,170 workInProgress,171 needsVisibilityToggle,172 isHidden,173 ) {174 // We only have the top Fiber that was created but we need recurse down its175 // children to find all the terminal nodes.176 let node = workInProgress.child;177 while (node !== null) {178 // eslint-disable-next-line no-labels179 branches: if (node.tag === HostComponent) {180 let instance = node.stateNode;181 if (needsVisibilityToggle) {182 const props = node.memoizedProps;183 const type = node.type;184 if (isHidden) {185 // This child is inside a timed out tree. Hide it.186 instance = cloneHiddenInstance(instance, type, props, node);187 } else {188 // This child was previously inside a timed out tree. If it was not189 // updated during this render, it may need to be unhidden. Clone190 // again to be sure.191 instance = cloneUnhiddenInstance(instance, type, props, node);192 }193 node.stateNode = instance;194 }195 appendInitialChild(parent, instance);196 } else if (node.tag === HostText) {197 let instance = node.stateNode;198 if (needsVisibilityToggle) {199 const text = node.memoizedProps;200 const rootContainerInstance = getRootHostContainer();201 const currentHostContext = getHostContext();202 if (isHidden) {203 instance = createHiddenTextInstance(204 text,205 rootContainerInstance,206 currentHostContext,207 workInProgress,208 );209 } else {210 instance = createTextInstance(211 text,212 rootContainerInstance,213 currentHostContext,214 workInProgress,215 );216 }217 node.stateNode = instance;218 }219 appendInitialChild(parent, instance);220 } else if (node.tag === HostPortal) {221 // If we have a portal child, then we don't want to traverse222 // down its children. Instead, we'll get insertions from each child in223 // the portal directly.224 } else if (node.tag === SuspenseComponent) {225 const current = node.alternate;226 if (current !== null) {227 const oldState = current.memoizedState;228 const newState = node.memoizedState;229 const oldIsHidden = oldState !== null && oldState.didTimeout;230 const newIsHidden = newState !== null && newState.didTimeout;231 if (oldIsHidden !== newIsHidden) {232 // The placeholder either just timed out or switched back to the normal233 // children after having previously timed out. Toggle the visibility of234 // the direct host children.235 const primaryChildParent = newIsHidden ? node.child : node;236 if (primaryChildParent !== null) {237 appendAllChildren(parent, primaryChildParent, true, newIsHidden);238 }239 // eslint-disable-next-line no-labels240 break branches;241 }242 }243 if (node.child !== null) {244 // Continue traversing like normal245 node.child.return = node;246 node = node.child;247 continue;248 }249 } else if (node.child !== null) {250 node.child.return = node;251 node = node.child;252 continue;253 }254 // $FlowFixMe This is correct but Flow is confused by the labeled break.255 node = (node);256 if (node === workInProgress) {257 return;258 }259 while (node.sibling === null) {260 if (node.return === null || node.return === workInProgress) {261 return;262 }263 node = node.return;264 }265 node.sibling.return = node.return;266 node = node.sibling;267 }268 };269 // An unfortunate fork of appendAllChildren because we have two different parent types.270 const appendAllChildrenToContainer = function (271 containerChildSet,272 workInProgress,273 needsVisibilityToggle,274 isHidden,275 ) {276 // We only have the top Fiber that was created but we need recurse down its277 // children to find all the terminal nodes.278 let node = workInProgress.child;279 while (node !== null) {280 // eslint-disable-next-line no-labels281 branches: if (node.tag === HostComponent) {282 let instance = node.stateNode;283 if (needsVisibilityToggle) {284 const props = node.memoizedProps;285 const type = node.type;286 if (isHidden) {287 // This child is inside a timed out tree. Hide it.288 instance = cloneHiddenInstance(instance, type, props, node);289 } else {290 // This child was previously inside a timed out tree. If it was not291 // updated during this render, it may need to be unhidden. Clone292 // again to be sure.293 instance = cloneUnhiddenInstance(instance, type, props, node);294 }295 node.stateNode = instance;296 }297 appendChildToContainerChildSet(containerChildSet, instance);298 } else if (node.tag === HostText) {299 let instance = node.stateNode;300 if (needsVisibilityToggle) {301 const text = node.memoizedProps;302 const rootContainerInstance = getRootHostContainer();303 const currentHostContext = getHostContext();304 if (isHidden) {305 instance = createHiddenTextInstance(306 text,307 rootContainerInstance,308 currentHostContext,309 workInProgress,310 );311 } else {312 instance = createTextInstance(313 text,314 rootContainerInstance,315 currentHostContext,316 workInProgress,317 );318 }319 node.stateNode = instance;320 }321 appendChildToContainerChildSet(containerChildSet, instance);322 } else if (node.tag === HostPortal) {323 // If we have a portal child, then we don't want to traverse324 // down its children. Instead, we'll get insertions from each child in325 // the portal directly.326 } else if (node.tag === SuspenseComponent) {327 const current = node.alternate;328 if (current !== null) {329 const oldState = current.memoizedState;330 const newState = node.memoizedState;331 const oldIsHidden = oldState !== null && oldState.didTimeout;332 const newIsHidden = newState !== null && newState.didTimeout;333 if (oldIsHidden !== newIsHidden) {334 // The placeholder either just timed out or switched back to the normal335 // children after having previously timed out. Toggle the visibility of336 // the direct host children.337 const primaryChildParent = newIsHidden ? node.child : node;338 if (primaryChildParent !== null) {339 appendAllChildrenToContainer(340 containerChildSet,341 primaryChildParent,342 true,343 newIsHidden,344 );345 }346 // eslint-disable-next-line no-labels347 break branches;348 }349 }350 if (node.child !== null) {351 // Continue traversing like normal352 node.child.return = node;353 node = node.child;354 continue;355 }356 } else if (node.child !== null) {357 node.child.return = node;358 node = node.child;359 continue;360 }361 // $FlowFixMe This is correct but Flow is confused by the labeled break.362 node = (node);363 if (node === workInProgress) {364 return;365 }366 while (node.sibling === null) {367 if (node.return === null || node.return === workInProgress) {368 return;369 }370 node = node.return;371 }372 node.sibling.return = node.return;373 node = node.sibling;374 }375 };376 updateHostContainer = function (workInProgress) {377 const portalOrRoot = workInProgress.stateNode;378 const childrenUnchanged = workInProgress.firstEffect === null;379 if (childrenUnchanged) {380 // No changes, just reuse the existing instance.381 } else {382 const container = portalOrRoot.containerInfo;383 let newChildSet = createContainerChildSet(container);384 // If children might have changed, we have to add them all to the set.385 appendAllChildrenToContainer(newChildSet, workInProgress, false, false);386 portalOrRoot.pendingChildren = newChildSet;387 // Schedule an update on the container to swap out the container.388 markUpdate(workInProgress);389 finalizeContainerChildren(container, newChildSet);390 }391 };392 updateHostComponent = function (393 current,394 workInProgress,395 type,396 newProps,397 rootContainerInstance,398 ) {399 const currentInstance = current.stateNode;400 const oldProps = current.memoizedProps;401 // If there are no effects associated with this node, then none of our children had any updates.402 // This guarantees that we can reuse all of them.403 const childrenUnchanged = workInProgress.firstEffect === null;404 if (childrenUnchanged && oldProps === newProps) {405 // No changes, just reuse the existing instance.406 // Note that this might release a previous clone.407 workInProgress.stateNode = currentInstance;408 return;409 }410 const recyclableInstance = workInProgress.stateNode;411 const currentHostContext = getHostContext();412 let updatePayload = null;413 if (oldProps !== newProps) {414 updatePayload = prepareUpdate(415 recyclableInstance,416 type,417 oldProps,418 newProps,419 rootContainerInstance,420 currentHostContext,421 );422 }423 if (childrenUnchanged && updatePayload === null) {424 // No changes, just reuse the existing instance.425 // Note that this might release a previous clone.426 workInProgress.stateNode = currentInstance;427 return;428 }429 let newInstance = cloneInstance(430 currentInstance,431 updatePayload,432 type,433 oldProps,434 newProps,435 workInProgress,436 childrenUnchanged,437 recyclableInstance,438 );439 if (440 finalizeInitialChildren(441 newInstance,442 type,443 newProps,444 rootContainerInstance,445 currentHostContext,446 )447 ) {448 markUpdate(workInProgress);449 }450 workInProgress.stateNode = newInstance;451 if (childrenUnchanged) {452 // If there are no other effects in this tree, we need to flag this node as having one.453 // Even though we're not going to use it for anything.454 // Otherwise parents won't know that there are new children to propagate upwards.455 markUpdate(workInProgress);456 } else {457 // If children might have changed, we have to add them all to the set.458 appendAllChildren(newInstance, workInProgress, false, false);459 }460 };461 updateHostText = function (462 current,463 workInProgress,464 oldText,465 newText,466 ) {467 if (oldText !== newText) {468 // If the text content differs, we'll create a new text instance for it.469 const rootContainerInstance = getRootHostContainer();470 const currentHostContext = getHostContext();471 workInProgress.stateNode = createTextInstance(472 newText,473 rootContainerInstance,474 currentHostContext,475 workInProgress,476 );477 // We'll have to mark it as having an effect, even though we won't use the effect for anything.478 // This lets the parents know that at least one of their children has changed.479 markUpdate(workInProgress);480 }481 };482} else {483 // No host operations484 updateHostContainer = function (workInProgress) {485 // Noop486 };487 updateHostComponent = function (488 current,489 workInProgress,490 type,491 newProps,492 rootContainerInstance,493 ) {494 // Noop495 };496 updateHostText = function (497 current,498 workInProgress,499 oldText,500 newText,501 ) {502 // Noop503 };504}505function completeWork(506 current,507 workInProgress,508 renderExpirationTime,509) {510 const newProps = workInProgress.pendingProps;511 switch (workInProgress.tag) {512 case IndeterminateComponent:513 break;514 case LazyComponent:515 break;516 case SimpleMemoComponent:517 case FunctionComponent:518 break;519 case ClassComponent: {520 const Component = workInProgress.type;521 if (isLegacyContextProvider(Component)) {522 popLegacyContext(workInProgress);523 }524 break;525 }526 case HostRoot: {527 popHostContainer(workInProgress);528 popTopLevelLegacyContextObject(workInProgress);529 const fiberRoot = (workInProgress.stateNode);530 if (fiberRoot.pendingContext) {531 fiberRoot.context = fiberRoot.pendingContext;532 fiberRoot.pendingContext = null;533 }534 if (current === null || current.child === null) {535 // If we hydrated, pop so that we can delete any remaining children536 // that weren't hydrated.537 popHydrationState(workInProgress);538 // This resets the hacky state to fix isMounted before committing.539 // TODO: Delete this when we delete isMounted and findDOMNode.540 workInProgress.effectTag &= ~Placement;541 }542 updateHostContainer(workInProgress);543 break;544 }545 case HostComponent: {546 popHostContext(workInProgress);547 const rootContainerInstance = getRootHostContainer();548 const type = workInProgress.type;549 if (current !== null && workInProgress.stateNode != null) {550 updateHostComponent(551 current,552 workInProgress,553 type,554 newProps,555 rootContainerInstance,556 );557 if (current.ref !== workInProgress.ref) {558 markRef(workInProgress);559 }560 } else {561 if (!newProps) {562 invariant(563 workInProgress.stateNode !== null,564 'We must have new props for new mounts. This error is likely ' +565 'caused by a bug in React. Please file an issue.',566 );567 // This can happen when we abort work.568 break;569 }570 const currentHostContext = getHostContext();571 // TODO: Move createInstance to beginWork and keep it on a context572 // "stack" as the parent. Then append children as we go in beginWork573 // or completeWork depending on we want to add then top->down or574 // bottom->up. Top->down is faster in IE11.575 let wasHydrated = popHydrationState(workInProgress);576 if (wasHydrated) {577 // TODO: Move this and createInstance step into the beginPhase578 // to consolidate.579 if (580 prepareToHydrateHostInstance(581 workInProgress,582 rootContainerInstance,583 currentHostContext,584 )585 ) {586 // If changes to the hydrated node needs to be applied at the587 // commit-phase we mark this as such.588 markUpdate(workInProgress);589 }590 } else {591 let instance = createInstance(592 type,593 newProps,594 rootContainerInstance,595 currentHostContext,596 workInProgress,597 );598 appendAllChildren(instance, workInProgress, false, false);599 // Certain renderers require commit-time effects for initial mount.600 // (eg DOM renderer supports auto-focus for certain elements).601 // Make sure such renderers get scheduled for later work.602 if (603 finalizeInitialChildren(604 instance,605 type,606 newProps,607 rootContainerInstance,608 currentHostContext,609 )610 ) {611 markUpdate(workInProgress);612 }613 workInProgress.stateNode = instance;614 }615 if (workInProgress.ref !== null) {616 // If there is a ref on a host node we need to schedule a callback617 markRef(workInProgress);618 }619 }620 break;621 }622 case HostText: {623 let newText = newProps;624 if (current && workInProgress.stateNode != null) {625 const oldText = current.memoizedProps;626 // If we have an alternate, that means this is an update and we need627 // to schedule a side-effect to do the updates.628 updateHostText(current, workInProgress, oldText, newText);629 } else {630 if (typeof newText !== 'string') {631 invariant(632 workInProgress.stateNode !== null,633 'We must have new props for new mounts. This error is likely ' +634 'caused by a bug in React. Please file an issue.',635 );636 // This can happen when we abort work.637 }638 const rootContainerInstance = getRootHostContainer();639 const currentHostContext = getHostContext();640 let wasHydrated = popHydrationState(workInProgress);641 if (wasHydrated) {642 if (prepareToHydrateHostTextInstance(workInProgress)) {643 markUpdate(workInProgress);644 }645 } else {646 workInProgress.stateNode = createTextInstance(647 newText,648 rootContainerInstance,649 currentHostContext,650 workInProgress,651 );652 }653 }...
35b884b212030968355a89b5da37a6b17371eeReactFiberCompleteWork.js
Source:35b884b212030968355a89b5da37a6b17371eeReactFiberCompleteWork.js
...136 var newProps = workInProgress.memoizedProps;137 if (current !== null && workInProgress.stateNode != null) {138 var oldProps = current.memoizedProps;139 var instance = workInProgress.stateNode;140 var currentHostContext = getHostContext();141 var updatePayload = prepareUpdate(instance, type, oldProps, newProps, rootContainerInstance, currentHostContext);142 workInProgress.updateQueue = updatePayload;143 if (updatePayload) {144 markUpdate(workInProgress);145 }146 if (current.ref !== workInProgress.ref) {147 markRef(workInProgress);148 }149 } else {150 if (!newProps) {151 invariant(workInProgress.stateNode !== null, 'We must have new props for new mounts. This error is likely ' + 'caused by a bug in React. Please file an issue.');152 return null;153 }154 var _currentHostContext = getHostContext();155 var _instance = createInstance(type, newProps, rootContainerInstance, _currentHostContext, workInProgress);156 appendAllChildren(_instance, workInProgress);157 if (finalizeInitialChildren(_instance, type, newProps, rootContainerInstance)) {158 markUpdate(workInProgress);159 }160 workInProgress.stateNode = _instance;161 if (workInProgress.ref !== null) {162 markRef(workInProgress);163 }164 }165 return null;166 }167 case HostText:168 {169 var newText = workInProgress.memoizedProps;170 if (current && workInProgress.stateNode != null) {171 var oldText = current.memoizedProps;172 if (oldText !== newText) {173 markUpdate(workInProgress);174 }175 } else {176 if (typeof newText !== 'string') {177 invariant(workInProgress.stateNode !== null, 'We must have new props for new mounts. This error is likely ' + 'caused by a bug in React. Please file an issue.');178 return null;179 }180 var _rootContainerInstance = getRootHostContainer();181 var _currentHostContext2 = getHostContext();182 var textInstance = createTextInstance(newText, _rootContainerInstance, _currentHostContext2, workInProgress);183 workInProgress.stateNode = textInstance;184 }185 return null;186 }187 case CoroutineComponent:188 return moveCoroutineToHandlerPhase(current, workInProgress);189 case CoroutineHandlerPhase:190 workInProgress.tag = CoroutineComponent;191 return null;192 case YieldComponent:193 return null;194 case Fragment:195 return null;...
970c11dc1a19ba38198468653be1866fb2e9b2ReactFiberCompleteWork.js
Source:970c11dc1a19ba38198468653be1866fb2e9b2ReactFiberCompleteWork.js
...136 var newProps = workInProgress.memoizedProps;137 if (current !== null && workInProgress.stateNode != null) {138 var oldProps = current.memoizedProps;139 var instance = workInProgress.stateNode;140 var currentHostContext = getHostContext();141 var updatePayload = prepareUpdate(instance, type, oldProps, newProps, rootContainerInstance, currentHostContext);142 workInProgress.updateQueue = updatePayload;143 if (updatePayload) {144 markUpdate(workInProgress);145 }146 if (current.ref !== workInProgress.ref) {147 markRef(workInProgress);148 }149 } else {150 if (!newProps) {151 invariant(workInProgress.stateNode !== null, 'We must have new props for new mounts. This error is likely ' + 'caused by a bug in React. Please file an issue.');152 return null;153 }154 var _currentHostContext = getHostContext();155 var _instance = createInstance(type, newProps, rootContainerInstance, _currentHostContext, workInProgress);156 appendAllChildren(_instance, workInProgress);157 if (finalizeInitialChildren(_instance, type, newProps, rootContainerInstance)) {158 markUpdate(workInProgress);159 }160 workInProgress.stateNode = _instance;161 if (workInProgress.ref !== null) {162 markRef(workInProgress);163 }164 }165 return null;166 }167 case HostText:168 {169 var newText = workInProgress.memoizedProps;170 if (current && workInProgress.stateNode != null) {171 var oldText = current.memoizedProps;172 if (oldText !== newText) {173 markUpdate(workInProgress);174 }175 } else {176 if (typeof newText !== 'string') {177 invariant(workInProgress.stateNode !== null, 'We must have new props for new mounts. This error is likely ' + 'caused by a bug in React. Please file an issue.');178 return null;179 }180 var _rootContainerInstance = getRootHostContainer();181 var _currentHostContext2 = getHostContext();182 var textInstance = createTextInstance(newText, _rootContainerInstance, _currentHostContext2, workInProgress);183 workInProgress.stateNode = textInstance;184 }185 return null;186 }187 case CoroutineComponent:188 return moveCoroutineToHandlerPhase(current, workInProgress);189 case CoroutineHandlerPhase:190 workInProgress.tag = CoroutineComponent;191 return null;192 case YieldComponent:193 return null;194 case Fragment:195 return null;...
ReactFiberHostContext.js
Source:ReactFiberHostContext.js
...20 push,21} = require('ReactFiberStack');22const invariant = require('fbjs/lib/invariant');23export type HostContext<C, CX> = {24 getHostContext(): CX,25 getRootHostContainer(): C,26 popHostContainer(fiber: Fiber): void,27 popHostContext(fiber: Fiber): void,28 pushHostContainer(fiber: Fiber, container: C): void,29 pushHostContext(fiber: Fiber): void,30 resetHostContainer(): void,31};32module.exports = function<T, P, I, TI, PI, C, CX, PL>(33 config: HostConfig<T, P, I, TI, PI, C, CX, PL>,34): HostContext<C, CX> {35 const {36 getChildHostContext,37 getRootHostContext,38 } = config;39 let contextStackCursor: StackCursor<CX | null> = createCursor((null: ?CX));40 let contextFiberStackCursor: StackCursor<Fiber | null> = createCursor(41 (null: Fiber | null),42 );43 let rootInstanceStackCursor: StackCursor<C | null> = createCursor((null: ?C));44 function getRootHostContainer(): C {45 const rootInstance = rootInstanceStackCursor.current;46 invariant(47 rootInstance !== null,48 'Expected root container to exist. This error is likely caused by a ' +49 'bug in React. Please file an issue.',50 );51 return rootInstance;52 }53 function pushHostContainer(fiber: Fiber, nextRootInstance: C) {54 // Push current root instance onto the stack;55 // This allows us to reset root when portals are popped.56 push(rootInstanceStackCursor, nextRootInstance, fiber);57 const nextRootContext = getRootHostContext(nextRootInstance);58 // Track the context and the Fiber that provided it.59 // This enables us to pop only Fibers that provide unique contexts.60 push(contextFiberStackCursor, fiber, fiber);61 push(contextStackCursor, nextRootContext, fiber);62 }63 function popHostContainer(fiber: Fiber) {64 pop(contextStackCursor, fiber);65 pop(contextFiberStackCursor, fiber);66 pop(rootInstanceStackCursor, fiber);67 }68 function getHostContext(): CX {69 const context = contextStackCursor.current;70 invariant(71 context != null,72 'Expected host context to exist. This error is likely caused by a bug ' +73 'in React. Please file an issue.',74 );75 return context;76 }77 function pushHostContext(fiber: Fiber): void {78 const rootInstance = rootInstanceStackCursor.current;79 invariant(80 rootInstance != null,81 'Expected root host context to exist. This error is likely caused by ' +82 'a bug in React. Please file an issue.',...
8193c972f72cdded6bdf7eabbb9a61639b21f8ReactFiberHostContext.js
Source:8193c972f72cdded6bdf7eabbb9a61639b21f8ReactFiberHostContext.js
...26 pop(contextStackCursor, fiber);27 pop(contextFiberStackCursor, fiber);28 pop(rootInstanceStackCursor, fiber);29 }30 function getHostContext() {31 var context = contextStackCursor.current;32 invariant(context != null, 'Expected host context to exist. This error is likely caused by a bug ' + 'in React. Please file an issue.');33 return context;34 }35 function pushHostContext(fiber) {36 var rootInstance = rootInstanceStackCursor.current;37 invariant(rootInstance != null, 'Expected root host context to exist. This error is likely caused by ' + 'a bug in React. Please file an issue.');38 var context = contextStackCursor.current !== null ? contextStackCursor.current : emptyObject;39 var nextContext = getChildHostContext(context, fiber.type, rootInstance);40 if (context === nextContext) {41 return;42 }43 push(contextFiberStackCursor, fiber, fiber);44 push(contextStackCursor, nextContext, fiber);...
30afc5f3fbdabaccfe3e856bdb9a0ae08b6324ReactFiberHostContext.js
Source:30afc5f3fbdabaccfe3e856bdb9a0ae08b6324ReactFiberHostContext.js
...26 pop(contextStackCursor, fiber);27 pop(contextFiberStackCursor, fiber);28 pop(rootInstanceStackCursor, fiber);29 }30 function getHostContext() {31 var context = contextStackCursor.current;32 invariant(context != null, 'Expected host context to exist. This error is likely caused by a bug ' + 'in React. Please file an issue.');33 return context;34 }35 function pushHostContext(fiber) {36 var rootInstance = rootInstanceStackCursor.current;37 invariant(rootInstance != null, 'Expected root host context to exist. This error is likely caused by ' + 'a bug in React. Please file an issue.');38 var context = contextStackCursor.current !== null ? contextStackCursor.current : emptyObject;39 var nextContext = getChildHostContext(context, fiber.type, rootInstance);40 if (context === nextContext) {41 return;42 }43 push(contextFiberStackCursor, fiber, fiber);44 push(contextStackCursor, nextContext, fiber);...
948bac31dd20785c5b6eb4b729723c126ef8e4ReactFiberHostContext.js
Source:948bac31dd20785c5b6eb4b729723c126ef8e4ReactFiberHostContext.js
...26 pop(contextStackCursor, fiber);27 pop(contextFiberStackCursor, fiber);28 pop(rootInstanceStackCursor, fiber);29 }30 function getHostContext() {31 var context = contextStackCursor.current;32 invariant(context != null, 'Expected host context to exist. This error is likely caused by a bug ' + 'in React. Please file an issue.');33 return context;34 }35 function pushHostContext(fiber) {36 var rootInstance = rootInstanceStackCursor.current;37 invariant(rootInstance != null, 'Expected root host context to exist. This error is likely caused by ' + 'a bug in React. Please file an issue.');38 var context = contextStackCursor.current !== null ? contextStackCursor.current : emptyObject;39 var nextContext = getChildHostContext(context, fiber.type, rootInstance);40 if (context === nextContext) {41 return;42 }43 push(contextFiberStackCursor, fiber, fiber);44 push(contextStackCursor, nextContext, fiber);...
54144a3460181417f5150c76e79766352da073ReactFiberHostContext.js
Source:54144a3460181417f5150c76e79766352da073ReactFiberHostContext.js
...26 pop(contextStackCursor, fiber);27 pop(contextFiberStackCursor, fiber);28 pop(rootInstanceStackCursor, fiber);29 }30 function getHostContext() {31 var context = contextStackCursor.current;32 invariant(context != null, 'Expected host context to exist. This error is likely caused by a bug ' + 'in React. Please file an issue.');33 return context;34 }35 function pushHostContext(fiber) {36 var rootInstance = rootInstanceStackCursor.current;37 invariant(rootInstance != null, 'Expected root host context to exist. This error is likely caused by ' + 'a bug in React. Please file an issue.');38 var context = contextStackCursor.current !== null ? contextStackCursor.current : emptyObject;39 var nextContext = getChildHostContext(context, fiber.type, rootInstance);40 if (context === nextContext) {41 return;42 }43 push(contextFiberStackCursor, fiber, fiber);44 push(contextStackCursor, nextContext, fiber);...
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 const hostContext = await page._delegate.getHostContext();7 console.log(hostContext);8 await browser.close();9})();10{11 viewportSize: { width: 800, height: 600 }12}
Using AI Code Generation
1const { chromium } = require('playwright');2const { getHostContext } = require('playwright/lib/server/browserContext');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const hostContext = getHostContext(context);8 console.log(hostContext);9 await browser.close();10})();11BrowserContext {12 _options: {13 viewport: { width: 1280, height: 720 },14 },15 _browser: Browser {16 _options: { headless: true, slowMo: 0, devtools: false },17 _connection: Connection {18 _callbacks: Map {},19 _sessions: Map {},20 },21 },
Using AI Code Generation
1const { getHostContext } = require('playwright');2const { chromium } = require('playwright-chromium');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const hostContext = getHostContext(page);8 console.log(hostContext);9 await browser.close();10})();11{12 'playwright': {13 }14}15{16 "playwright": {17 "browser": {18 "_browser": {},19 "_browserType": {},20 "_closePromise": {},21 "_closePromiseCallback": {},22 "_closePromiseFulfill": {},23 "_closePromiseReject": {},24 "_connection": {},25 "_defaultContext": {},26 "_options": {},27 "_timeoutSettings": {},28 "_timeoutSettingsInternal": {},29 "_timeoutSettingsOverride": {},30 "_videoSize": {},31 },32 "context": {33 "_browser": {},34 "_browserOptions": {},35 "_closePromise": {},36 "_closePromiseCallback": {},37 "_closePromiseFulfill": {},38 "_closePromiseReject": {},39 "_connection": {},40 "_options": {},41 "_pageBindings": {},42 "_pagePromises": {},43 "_timeoutSettings": {},44 "_timeoutSettingsInternal": {},45 "_timeoutSettingsOverride": {},46 "_videoSize": {},47 },48 "page": {49 "_browserContext": {},50 "_closedCallback": {},51 "_closePromise": {},52 "_closePromiseCallback": {},53 "_closePromiseFulfill": {},54 "_closePromiseReject": {},55 "_connection": {},56 "_crashedCallback": {},
Using AI Code Generation
1const { webkit } = require('playwright');2const browser = await webkit.launch();3const context = await browser.newContext();4const page = await context.newPage();5const hostContext = await page._delegate.getHostContext();6console.log(hostContext);7await browser.close();8const { firefox } = require('playwright');9const browser = await firefox.launch();10const context = await browser.newContext();11const page = await context.newPage();12const hostContext = await page._delegate.getHostContext();13console.log(hostContext);14await browser.close();15const { chromium } = require('playwright');16const browser = await chromium.launch();17const context = await browser.newContext();18const page = await context.newPage();
Using AI Code Generation
1const { getHostContext } = require('playwright/lib/server/browserContext');2const context = await browser.newContext();3const hostContext = getHostContext(context);4console.log(hostContext);5const { getHostContext } = require('playwright/lib/server/browserContext');6const context = await browser.newContext();7const hostContext = getHostContext(context);8console.log(hostContext);9const { getHostContext } = require('playwright/lib/server/browserContext');10const context = await browser.newContext();11const hostContext = getHostContext(context);12console.log(hostContext);13const { getHostContext } = require('playwright/lib/server/browserContext');14const context = await browser.newContext();15const hostContext = getHostContext(context);16console.log(hostContext);17const { getHostContext } = require('playwright/lib/server/browserContext');18const context = await browser.newContext();19const hostContext = getHostContext(context);20console.log(hostContext);21const { getHostContext } = require('playwright/lib/server/browserContext');22const context = await browser.newContext();23const hostContext = getHostContext(context);24console.log(hostContext);25const { getHostContext } = require('playwright/lib/server/browserContext');26const context = await browser.newContext();27const hostContext = getHostContext(context);28console.log(hostContext);29const { getHostContext } = require('playwright/lib/server/browserContext');30const context = await browser.newContext();31const hostContext = getHostContext(context);32console.log(hostContext);33const { getHostContext } = require('playwright/lib/server/browserContext');34const context = await browser.newContext();35const hostContext = getHostContext(context);36console.log(hostContext);37const { getHostContext } = require('playwright/lib/server/browserContext');38const context = await browser.newContext();
Using AI Code Generation
1const { getHostContext } = require("@playwright/test");2const hostContext = getHostContext();3const browser = hostContext.browser;4const context = hostContext.context;5const page = hostContext.page;6const { getHostContext } = require("@playwright/test");7const hostContext = getHostContext();8const browser = hostContext.browser;9const context = hostContext.context;10const page = hostContext.page;11const { getHostContext } = require("@playwright/test");12const hostContext = getHostContext();13const browser = hostContext.browser;14const context = hostContext.context;15const page = hostContext.page;16const { getHostContext } = require("@playwright/test");17const hostContext = getHostContext();18const browser = hostContext.browser;19const context = hostContext.context;20const page = hostContext.page;21const { getHostContext } = require("@playwright/test");22const hostContext = getHostContext();23const browser = hostContext.browser;24const context = hostContext.context;25const page = hostContext.page;26const { getHostContext } = require("@playwright/test");27const hostContext = getHostContext();28const browser = hostContext.browser;29const context = hostContext.context;30const page = hostContext.page;31const { getHostContext } = require("@playwright/test");32const hostContext = getHostContext();33const browser = hostContext.browser;34const context = hostContext.context;35const page = hostContext.page;36const { getHostContext } = require("@playwright/test");37const hostContext = getHostContext();38const browser = hostContext.browser;39const context = hostContext.context;40const page = hostContext.page;41const { getHostContext } = require("@playwright/test");42const hostContext = getHostContext();43const browser = hostContext.browser;44const context = hostContext.context;45const page = hostContext.page;
Using AI Code Generation
1const { getHostContext } = require('playwright/lib/server/browserContext');2const context = await page.context();3const hostContext = getHostContext(context);4const { pageProxy } = hostContext;5const { frameProxy } = pageProxy;6const { page } = frameProxy;7await page.bringToFront();8const { getHostContext } = require('playwright/lib/server/browserContext');9const context = await page.context();10const hostContext = getHostContext(context);11const { pageProxy } = hostContext;12const { frameProxy } = pageProxy;13const { page } = frameProxy;14await page.bringToFront();15const { getHostContext } = require('playwright/lib/server/browserContext');16const context = await page.context();17const hostContext = getHostContext(context);18const { pageProxy } = hostContext;19const { frameProxy } = pageProxy;20const { page } = frameProxy;21await page.bringToFront();22const { getHostContext } = require('playwright/lib/server/browserContext');23const context = await page.context();24const hostContext = getHostContext(context);25const { pageProxy } = hostContext;26const { frameProxy } = pageProxy;27const { page } = frameProxy;28await page.bringToFront();29const { getHostContext } = require('playwright/lib/server/browserContext');30const context = await page.context();31const hostContext = getHostContext(context);32const { pageProxy } = hostContext;33const { frameProxy } = pageProxy;34const { page } = frameProxy;35await page.bringToFront();36const { getHostContext } = require('playwright/lib/server/browserContext');37const context = await page.context();38const hostContext = getHostContext(context);39const { pageProxy } = hostContext;40const { frameProxy } = pageProxy;41const { page } = frameProxy;42await page.bringToFront();43const { getHostContext } = require('playwright/lib/server/browserContext');44const context = await page.context();
Playwright tutorial
LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.
Chapters:
- What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
- How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
- Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
- What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
- Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
- Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
- Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
- Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
- Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
- Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
- Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
- Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.
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