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.