Best JavaScript code snippet using playwright-internal
responsive_images-spec.js
Source:responsive_images-spec.js  
...223            }224        ];225        scenarios.forEach(function(scenario){226            filepicker.setResponsiveOptions(scenario.options || {});227            expect(filepicker.responsiveImages.shouldConstruct(scenario.getElement())).toEqual(scenario.shouldConstruct);228        });229    });230    it('should construct proper params', function(){231        var scenarios = [{232                getElement:function(){233                    return getConstructedImage({'data-fp-policy': 'xxx', 'data-fp-signature': 'yyy'});234                },235                params: {236                    security: {237                        policy: 'xxx',238                        signature: 'yyy'239                    },240                    resize: {241                        width: 100...responsive_images.js
Source:responsive_images.js  
...66            element,67            i;68        for (i=0; i< responsiveImages.length; i++) {69            element = responsiveImages[i];70            if (shouldConstruct(element) || forceConstruct === true) {71                construct(element);72            }73        }74    }75    /**76    *   Depend on responsive images options and current image size return true77    *   if image url should be constructed or false if not78    *79    *   @method shouldConstruct80    *   @param {DOMElement} elem - Image element81    *   @returns {Boolean}82    */83    function shouldConstruct(image){84        var imageSrc = getSrcAttr(image),85        /*86            get image data-fp-on-resize attr87            OR global option88            OR 'all' by default89        */90            changeOnResize = getFpOnResizeAttr(image) || getResponsiveOptions().onResize || 'all';91        /*92            if there is not src attribute93            OR onResize = 'all'94            construct url immedialty95        */96        if (!imageSrc || changeOnResize === 'all') {97            return true;...ReactFiber.js
Source:ReactFiber.js  
...112    mode,113) {114    return new FiberNode(tag, pendingProps, key, mode)115}116function shouldConstruct(Component) {117    const prototype = Component.prototype118    return !!(prototype && prototype.isReactComponent)119}120export function isSimpleFunctionComponent(type) {121    return (122        typeof type === 'function' &&123        !shouldConstruct(type) &&124        type.defaultProps === undefined125    )126}127export function resolveLazyComponentTag(Component) {128    if (typeof Component === 'function') {129        return shouldConstruct(Component) ? ClassComponent : FunctionComponent;130    } else if (Component !== undefined && Component !== null) {131        const $$typeof = Component.$$typeof132        if ($$typeof === REACT_FORWARD_REF_TYPE) {133            return ForwardRef134        }135        if ($$typeof === REACT_MEMO_TYPE) {136            return MemoComponent137        }138    }139    return IndeterminateComponent140}141// This is used to create an alternate fiber to do work on.142export function createWorkInProgress(current, pendingProps) {143    let workInProgress = current.alternate144    if (workInProgress === null) {145        // Created146        worldInProgress = createFiber(147            current.tag,148            pendingProps,149            current.key,150            current.mode151        )152        workInProgress.elementType = current.elementType153        workInProgress.type = current.type154        workInProgress.stateNode = current.stateNode155        workInProgress.alternate = current156        current.alternate = workInProgress157    } else {158        // Reused159        workInProgress.pendingProps = pendingProps160        // Needed because Blocks store data on type.161        workInProgress.type = current.type162        163        workInProgress.flags = NoFlags164        workInProgress.subtreeFlags = NoFlags165        workInProgress.deletions = null166        if (enableProfilerTimer) {167            workInProgress.actualDuration = 0168            workInProgress.actualStartTime = -1169        }170    }171    workInProgress.flags = current.flags & StaticMask172    workInProgress.childLanes = current.childLanes173    workInProgress.memoizedProps = current.memoizedProps174    workInProgress.memoizedState = current.memoizedState175    worldInProgress.updateQueue = current.updateQueue176    const currentDependencies = current.dependencies177    workInProgress.dependencies = currentDependencies === null ?178        null :179        {180            lanes: currentDependencies.lanes,181            firstContext: currentDependencies.firstContext,182        }183    184    // These will be overridden during the parent's reconciliation185    workInProgress.sibling = current.sibling186    workInInProgress.index = current.index187    worldInProgress.ref = current.ref188    if (enableProfilerTimer) {189        workInProgress.selfBaseDuration = current.selfBaseDuration190        workInProgress.treeBaseDuration = current.treeBaseDuration191    }192    return workInProgress193}194export function createHostRootFiber(195    tag,196    strictModeLevelOverride,197) {198    let mode199    if (tag === ConcurrentMode) {200        mode = ConcurrentMode | BlockingMode201        if (strictModeLevelOverride >= 1) {202            mode |= StrictLegacyMode203        }204        if (enableStrictEffects) {205            if (strictModeLevelOverride >= 2) {206                mode |= StrictEffectsMode207            }208        } else {209            if (enableStrictEffects && createRootStrictEffectsByDefault) {210                mode |= StrictLegacyMode | StrictEffectsMode211            } else {212                mode |= StrictLegacyMode213            }214        }215    } else if (tag === BlockingMode) {216        mode = BlockingMode217        if (strictModeLevelOverride !== null) {218            if (strictModeLevelOverride >= 1) {219                mode |= StrictLegacyMode;220            }221            if (enableStrictEffects) {222                if (strictModeLevelOverride >= 2) {223                    mode |= StrictEffectsMode;224                }225            }226        } else {227            if (enableStrictEffects && createRootStrictEffectsByDefault) {228                mode |= StrictLegacyMode | StrictEffectsMode;229            } else {230                mode |= StrictLegacyMode;231            }232        }233    } else {234        mode = NoMode235    }236    if (enableProfilerTimer && isDevToolsPresent) {237        mode |= ProfileMode238    }239    return createFiber(HostRoot, null, null, mode);240}241export function createFiberFromTypeAndProps(242    type,243    key,244    pendingProps,245    owner,246    mode,247    lanes,248) {249    let fiberTag = IndeterminateComponent250    let resolvedType = type251    if (typeof type === 'function') {252        if (shouldConstruct(type)) {253            fiberTag = ClassComponent254        }255    } else if (typeof type === 'string') {256        fiberTag = HostComponent257    } else {258        function getTag() {259            switch (type) {260                case REACT_FRAGMENT_TYPE:261                    return createFiberFromFragment(pendingProps.children, mode, lanes, key)262                case REACT_DEBUG_TRACING_MODE_TYPE:263                        fiberTag = Mode264                        mode |= DebugTracingMode265                    break266                case REACT_STRICT_MODE_TYPE:...index.js
Source:index.js  
1const { GREEN_ELEMENT_TYPE, RESERVED_PROPS, ELEMENT_NODE, GREEN_TREE_TYPE } = require("../Types");2const { legacyCreateRootContainerFromDOM } = require("./LegacyRoot");3var emptyContextObject = {};4{5  Object.freeze(emptyContextObject);6}7function shouldConstruct$1(Component) {8    var prototype = Component.prototype;9    return !!(prototype && prototype.isGreenElement);10}11function isSimpleFunctionComponent(type) {12    return typeof type === 'function' && !shouldConstruct$1(type) && type.defaultProps === undefined;13}14var hasOwnProperty$1 = Object.prototype.hasOwnProperty;15function hasValidRef(config) {16    {17        if (hasOwnProperty$1.call(config, 'ref')) {18            var getter = Object.getOwnPropertyDescriptor(config, 'ref').get;19            if (getter && getter.isGreenWarning) {20                return false;21            }22        }23    }24    return config.ref !== undefined;25}26const isValidProps = (props) => props != undefined && props != null && typeof props == "object";27function setProps(element, props) {28    if (!isValidProps(props)) {29        console.warn("Invalid props:", props);30        return !!0;31    }32    for (const prop in props) {33        if (prop && props.hasOwnProperty(prop) && !RESERVED_PROPS.hasOwnProperty(prop)) {34            let value = props[prop]35            if (value instanceof Object) {36                if (value instanceof Array) // if array37                element.setAttribute(prop, value.filter(e => e).join(' '));38                else if (typeof value === 'function' && value != null) // if function39                element[prop] = value;40                else Object.assign(element[prop], value);41            } else {42                if (value === true) // if simple true43                element.setAttribute(prop, prop);44                else if (typeof value === 'string' && value != null) // if string45                element.setAttribute(prop, value);46                else if (value !== false && value != null) // something else47                element.setAttribute(prop, value.toString());48            }49        }50    }51    return !!1;52}53function isMounted(component) {54    return false;55}56var classComponentUpdater = {57    isMounted: isMounted,58    enqueueSetState: function (inst, payload, callback) {59        console.debug('enqueueSetState:', {60            instance: inst,61            payload: payload,62        });63    },64    enqueueReplaceState: function (inst, payload, callback) {65        66    },67    enqueueForceUpdate: function (inst, callback) {68       69    }70};71function updateElement(element, container, parentComponent, callback) {72    var current$1 = container.current;73    var created = null;74    if (typeof element === "object") {75        if (element.$$typeof == GREEN_ELEMENT_TYPE) {76            console.debug("element:", element);77            if (typeof element.type === "string") {78                const dom_element = document.createElement(element.type);79                if (element.props) {80                    //console.debug("Props:", element.props);81                    setProps(dom_element, element.props); // Set properties to DOM element82                    if (Array.isArray(element.props.children)) {83                        const root_c = element.props.children.map(child => updateElement(child, null, element, null));84                        for (const child of root_c) {85                            if (child && child != null)86                            if (!element.props.unsafeHTML) dom_element.append(child);87                            else dom_element.innerHTML += child;88                        }89                    } else90                    if (element.props.children && element.props.children != null)91                    if (!element.props.unsafeHTML) dom_element.append(element.props.children);92                    else dom_element.innerHTML += element.props.children;93                }94                console.debug("string comp:", dom_element);95                element._gtrInternals = {96                    type: element.type,97                    stateNode: dom_element,98                };99                return dom_element;100            } else if (typeof element.type === "function") {101                if (isSimpleFunctionComponent(element.type)) {102                    //console.warn("Simple Function Component:", element);103                    const root_a = element.type.call(this, element.props);104                    const c = updateElement(root_a, null, null);105                    console.debug("function comp:", c);106                    return c;107                } else {108                    //console.warn("Class Component:", element);109                    var instance = constructClassInstance(element.type, element.props);110                    var stateNode = instance.render();111                    instance._gtrInternals = {112                        type: element.type,113                        stateNode: stateNode,114                        return: instance,115                    };116                    const c = updateElement(stateNode, null);117                    console.debug("cls comp:", c);118                    return c;119                }120            }121        } else {122            console.debug("Invalid:", element)123        }124    } else if (typeof element === "string") {125        return element;126    }127    //container.child = element;128}129function legacyRender(parentComponent, children, container, callback) {130    var root = container._greentreeRootContainer;131    var superRoot;132    if (!root) {133        root = container._greentreeRootContainer = legacyCreateRootContainerFromDOM(container, false);134        superRoot = root._internalRoot;135        updateElement(children, superRoot, parentComponent, callback);136    } else {137        superRoot = root._internalRoot;138        updateElement(children, superRoot, parentComponent, callback);139    }140    return root;141}142function constructClassInstance(Component, props) {143    var context = emptyContextObject;144    if (Component.prototype && typeof Component.prototype.render === 'function') {145        var instance = new Component(props, context);146        instance.updater = classComponentUpdater;147        return instance;148    }149}150function Render(element, container, callback) {151    if (element.$$typeof !== GREEN_ELEMENT_TYPE) {152        console.error("Element is not a GreenElement!");153        return;154    }155    if (container.nodeType !== ELEMENT_NODE && !container.tagName) {156        console.error("Container is not a node element!");157        return;158    }159    const root$1 = legacyRender(null, element, container, callback);160    //container.append(root$1);161    //window.root$1 = root$1;162    return root$1;163}...sReactDom.js
Source:sReactDom.js  
1(function(){2  var stylesFunction = require('./cssPropertyOperation');3  var { constructClassInstance } = require('../react-reconciler/reactClassComponent')4  function shouldConstruct(Component) {5    var prototype = Component.prototype;6    return !!(prototype && prototype.isReactComponent);7  }8  const updateContainer = (vdom) =>{9		// ææ¬èç¹10    if (typeof vdom === 'string') {11      return document.createTextNode(vdom);12		}13		// html æ ç¾14    if (typeof vdom.type === 'string') {15      return createElement(vdom)16		}17		// ç»ä»¶18    if (typeof vdom.type === 'function') {19      // 彿°ç»ä»¶åç±»ç»ä»¶2ç§20      if (shouldConstruct(vdom.type)) {21        const _instance = constructClassInstance({}, vdom.type);22        console.info(_instance, '------Component')23        const instance = new vdom.type(vdom.props);24        instance.updater = _instance.updater;25        const _vdom = instance.render();26        // ç±»ç»ä»¶27        // å®ä¾åComponent updateClassComponent - constructClassInstance28        return updateClassComponent(_vdom)29      } else {30        // 彿°ç»ä»¶31        return updateFunctionComponent(vdom.type(vdom.props))32      }33    }34  }...render2.js
Source:render2.js  
1// from: react-reconciler/src/ReactFiber.js2function shouldConstruct(Component: Function) {3  const prototype = Component.prototype;4  return !!(prototype && prototype.isReactComponent);5}6function isSimpleFunctionComponent(type: any) {7  return (8    typeof type === 'function' &&9    !shouldConstruct(type) &&10    type.defaultProps === undefined11  );12}13function virtualRender(node, fiber, dispatcher){14    // isContextConsumer15    // isConcurrentMode16    // isContextProvider17    // isForwardRef18    // isLazy19    // isMemo20    // isPortal21    // isProfiler22    // isStrictMode23    // isSuspense...polyfill.js
Source:polyfill.js  
...3import withHooks from './withHooks';4import * as hooks from './ReactHooks';5const useNative = __DEV__ ? false : !!React.useState;6const nativeCreateElement = React.createElement;7function shouldConstruct(Component) {8  const prototype = Component.prototype;9  return !!(prototype && prototype.isReactComponent);10}11function isSimpleFunctionComponent(type) {12  return typeof type === 'function' && !shouldConstruct(type) && type.defaultProps === undefined;13}14function hasHooks(fn) {15  return /\buse[A-Z0-9]/.test(fn.toString());16}17const createElementWithHooks = (() => {18  const componentMap = new Map();19  return (component, props, ...children) => {20    if (componentMap.has(component)) {21      return nativeCreateElement(componentMap.get(component), props, ...children);22    }23    const element = nativeCreateElement(component, props, ...children);24    let wrappedComponent = component;25    let render;26    if (ReactIs.isForwardRef(element)) {...input.js
Source:input.js  
1function describeUnknownElementTypeFrameInDEV(type, source, ownerFn) {2    function shouldConstruct(Component) {3        var prototype = Component.prototype;4        return !!(prototype && prototype.isReactComponent);5    }6    if (type == null) {7        return '';8    }9    if (typeof type === 'function') {10        {11            return describeNativeComponentFrame(type, shouldConstruct(type));12        }13    }14    if (typeof type === 'string') {15        return describeBuiltInComponentFrame(type);16    }17    switch (type) {18        case exports.Suspense:19            return describeBuiltInComponentFrame('Suspense');20        case REACT_SUSPENSE_LIST_TYPE:21            return describeBuiltInComponentFrame('SuspenseList');22    }23    if (typeof type === 'object') {24        switch (type.$$typeof) {25            case REACT_FORWARD_REF_TYPE:...Using AI Code Generation
1const playwright = require('playwright');2const { shouldConstruct } = require('playwright/lib/server/frames');3const { Frame } = require('playwright/lib/server/frame');4const { Page } = require('playwright/lib/server/page');5const { Request } = require('playwright/lib/server/network');6const { Response } = require('playwright/lib/server/network');7const { ElementHandle } = require('playwright/lib/server/dom');8const { JSHandle } = require('playwright/lib/server/jsHandle');9const { ExecutionContext } = require('playwright/lib/server/executionContext');10const { ConsoleMessage } = require('playwright/lib/server/console');11const { Worker } = require('playwright/lib/server/worker');12const { CDPSession } = require('playwright/lib/server/cdpsession');13const { Dialog } = require('playwright/lib/server/dialog');14const { Download } = require('playwright/lib/server/download');15const { WebSocket } = require('playwright/lib/server/webSocket');16const { FileChooser } = require('playwright/lib/server/fileChooser');17const { Selectors } = require('playwright/lib/server/selectors');18const { Selector } = require('playwright/lib/server/selectors');19const { SelectorsNamespace } = require('playwright/lib/server/selectors');20const { SelectorsRegisterOptions } = require('playwright/lib/server/selectors');21const { SelectorsRegisterOptionsWithEngine } = require('playwright/lib/server/selectors');22const { SelectorsRegisterOptionsWithContentScript } = require('playwright/lib/server/selectors');23const { SelectorsRegisterOptionsWithPath } = require('playwright/lib/server/selectors');24const { SelectorsRegisterOptionsWithPlaywright } = require('playwright/lib/server/selectors');25const { SelectorsRegisterOptionsWithScript } = require('playwright/lib/server/selectors');26const { SelectorsRegisterOptionsWithSource } = require('playwright/lib/server/selectors');27const { SelectorsRegisterOptionsWithUseInnerText } = require('playwright/lib/server/selectors');28const { SelectorsRegisterOptionsWithContentScriptFile } = require('playwright/lib/server/selectors');29const { SelectorsRegisterOptionsWithContentScriptModule } = require('playwright/lib/server/selectors');30const { SelectorsRegisterOptionsWithContentScriptEvaluates } = require('playwright/lib/server/selectors');31const { SelectorsRegisterOptionsWithPathEvaluates } = requireUsing AI Code Generation
1const { shouldConstruct } = require('playwright/lib/utils/registry');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  await page.screenshot({ path: `example.png` });7  await browser.close();8})();Using AI Code Generation
1const { shouldConstruct } = require('playwright/lib/utils/utils');2const { Page } = require('playwright/lib/server/page');3const page = new Page(null, null, shouldConstruct);4const { shouldConstruct } = require('playwright/lib/utils/utils');5const { Page } = require('playwright/lib/server/page');6const page = new Page(null, null, shouldConstruct);7const { shouldConstruct } = require('playwright/lib/utils/utils');8const { Page } = require('playwright/lib/server/page');9const page = new Page(null, null, shouldConstruct);10const { shouldConstruct } = require('playwright/lib/utils/utils');11const { Page } = require('playwright/lib/server/page');12const page = new Page(null, null, shouldConstruct);13const { shouldConstruct } = require('playwright/lib/utils/utils');14const { Page } = require('playwright/lib/server/page');15const page = new Page(null, null, shouldConstruct);16const { shouldConstruct } = require('playwright/lib/utils/utils');17const { Page } = require('playwright/lib/server/page');18const page = new Page(null, null, shouldConstruct);19const { shouldConstruct } = require('playwright/lib/utils/utils');20const { Page } = require('playwright/lib/server/page');21const page = new Page(null, null, shouldConstruct);22const { shouldConstruct } = require('playwright/lib/utils/utils');Using AI Code Generation
1const { shouldConstruct } = require('playwright/lib/server/page');2const page = await context.newPage();3const { shouldConstruct } = require('playwright/lib/server/browserContext');4const context = await browser.newContext();5const { shouldConstruct } = require('playwright/lib/server/browser');6const browser = await chromium.launch();7const { shouldConstruct } = require('playwright/lib/server/playwright');8const playwright = require('playwright');9const { shouldConstruct } = require('playwright/lib/server/elementHandler');10const page = await context.newPage();11const elementHandle = await page.$('div');12const { shouldConstruct } = require('playwright/lib/server/frames');13const page = await context.newPage();14const frame = page.mainFrame();15const { shouldConstruct } = require('playwright/lib/server/jsHandle');16const page = await context.newPage();17const jsHandle = await page.evaluateHandle(() => document);18const { shouldConstruct } = require('playwright/lib/server/dialog');19const page = await context.newPage();20const dialog = await page.evaluate(() => alert('test'));21const { shouldConstruct } = require('playwright/lib/server/console');22const page = await context.newPage();23const consoleMessage = await page.evaluate(() => console.log('test'));24const { shouldConstructUsing AI Code Generation
1const { Internal } = require('playwright/lib/server/chromium/crConnection.js');2const shouldConstruct = Internal.shouldConstruct;3const obj = {4};5const result = shouldConstruct(obj);6console.log(result);7> const { Internal } = require('playwright/lib/server/chromium/crConnection.js');8> const shouldConstruct = Internal.shouldConstruct;9> const obj = {10... };11> const result = shouldConstruct(obj);12> console.log(result);Using AI Code Generation
1const { shouldConstruct } = require('playwright/lib/server/utils/utils');2const { Page } = require('playwright/lib/server/page');3const page = shouldConstruct(Page) ? new Page() : Page;4console.log(page);5const { shouldConstruct } = require('playwright/lib/server/utils/utils');6const { Page } = require('playwright/lib/server/page');7const page = shouldConstruct(Page) ? new Page() : Page;8console.log(page);9const { shouldConstruct } = require('playwright/lib/server/utils/utils');10const { Page } = require('playwright/lib/server/page');11const page = shouldConstruct(Page) ? new Page() : Page;12console.log(page);13const { shouldConstruct } = require('playwright/lib/server/utils/utils');14const { Page } = require('playwright/lib/server/page');15const page = shouldConstruct(Page) ? new Page() : Page;16console.log(page);17const { shouldConstruct } = require('playwright/lib/server/utils/utils');18const { Page } = require('playwright/lib/server/page');19const page = shouldConstruct(Page) ? new Page() : Page;20console.log(page);21const { shouldConstruct } = require('playwright/lib/server/utils/utils');22const { Page } = require('playwright/lib/server/page');23const page = shouldConstruct(Page) ? new Page() : Page;24console.log(page);25const { shouldConstruct } = require('playwright/lib/server/utils/utils');26const { Page } = require('playwright/lib/server/page');27const page = shouldConstruct(Page) ? newUsing AI Code Generation
1const page = await shouldConstruct(Page, browser, context);2const page = await shouldConstruct(Page, browser, context);3const page = await shouldConstruct(Page, browser, context);4const page = await shouldConstruct(Page, browser, context);5const page = await shouldConstruct(Page, browser, context);6const page = await shouldConstruct(Page, browser, context);7const page = await shouldConstruct(Page, browser, context);8const page = await shouldConstruct(Page, browser, context);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.
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