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How to use describeNativeComponentFrame method in Playwright Internal
Best JavaScript code snippet using playwright-internal
DevToolsComponentStackFrame.js
Source:DevToolsComponentStackFrame.js 
...53if (__DEV__) {54 const PossiblyWeakMap = typeof WeakMap === 'function' ? WeakMap : Map;55 componentFrameCache = new PossiblyWeakMap();56}57export function describeNativeComponentFrame(58 fn: Function,59 construct: boolean,60 currentDispatcherRef: CurrentDispatcherRef,61): string {62 // If something asked for a stack inside a fake render, it should get ignored.63 if (!fn || reentry) {64 return '';65 }66 if (__DEV__) {67 const frame = componentFrameCache.get(fn);68 if (frame !== undefined) {69 return frame;70 }71 }72 let control;73 const previousPrepareStackTrace = Error.prepareStackTrace;74 // $FlowFixMe It does accept undefined.75 Error.prepareStackTrace = undefined;76 reentry = true;77 let previousDispatcher;78 if (__DEV__) {79 previousDispatcher = currentDispatcherRef.current;80 // Set the dispatcher in DEV because this might be call in the render function81 // for warnings.82 currentDispatcherRef.current = null;83 disableLogs();84 }85 try {86 // This should throw.87 if (construct) {88 // Something should be setting the props in the constructor.89 const Fake = function() {90 throw Error();91 };92 // $FlowFixMe93 Object.defineProperty(Fake.prototype, 'props', {94 set: function() {95 // We use a throwing setter instead of frozen or non-writable props96 // because that won't throw in a non-strict mode function.97 throw Error();98 },99 });100 if (typeof Reflect === 'object' && Reflect.construct) {101 // We construct a different control for this case to include any extra102 // frames added by the construct call.103 try {104 Reflect.construct(Fake, []);105 } catch (x) {106 control = x;107 }108 Reflect.construct(fn, [], Fake);109 } else {110 try {111 Fake.call();112 } catch (x) {113 control = x;114 }115 fn.call(Fake.prototype);116 }117 } else {118 try {119 throw Error();120 } catch (x) {121 control = x;122 }123 fn();124 }125 } catch (sample) {126 // This is inlined manually because closure doesn't do it for us.127 if (sample && control && typeof sample.stack === 'string') {128 // This extracts the first frame from the sample that isn't also in the control.129 // Skipping one frame that we assume is the frame that calls the two.130 const sampleLines = sample.stack.split('\n');131 const controlLines = control.stack.split('\n');132 let s = sampleLines.length - 1;133 let c = controlLines.length - 1;134 while (s >= 1 && c >= 0 && sampleLines[s] !== controlLines[c]) {135 // We expect at least one stack frame to be shared.136 // Typically this will be the root most one. However, stack frames may be137 // cut off due to maximum stack limits. In this case, one maybe cut off138 // earlier than the other. We assume that the sample is longer or the same139 // and there for cut off earlier. So we should find the root most frame in140 // the sample somewhere in the control.141 c--;142 }143 for (; s >= 1 && c >= 0; s--, c--) {144 // Next we find the first one that isn't the same which should be the145 // frame that called our sample function and the control.146 if (sampleLines[s] !== controlLines[c]) {147 // In V8, the first line is describing the message but other VMs don't.148 // If we're about to return the first line, and the control is also on the same149 // line, that's a pretty good indicator that our sample threw at same line as150 // the control. I.e. before we entered the sample frame. So we ignore this result.151 // This can happen if you passed a class to function component, or non-function.152 if (s !== 1 || c !== 1) {153 do {154 s--;155 c--;156 // We may still have similar intermediate frames from the construct call.157 // The next one that isn't the same should be our match though.158 if (c < 0 || sampleLines[s] !== controlLines[c]) {159 // V8 adds a "new" prefix for native classes. Let's remove it to make it prettier.160 const frame = '\n' + sampleLines[s].replace(' at new ', ' at ');161 if (__DEV__) {162 if (typeof fn === 'function') {163 componentFrameCache.set(fn, frame);164 }165 }166 // Return the line we found.167 return frame;168 }169 } while (s >= 1 && c >= 0);170 }171 break;172 }173 }174 }175 } finally {176 reentry = false;177 Error.prepareStackTrace = previousPrepareStackTrace;178 if (__DEV__) {179 currentDispatcherRef.current = previousDispatcher;180 reenableLogs();181 }182 }183 // Fallback to just using the name if we couldn't make it throw.184 const name = fn ? fn.displayName || fn.name : '';185 const syntheticFrame = name ? describeBuiltInComponentFrame(name) : '';186 if (__DEV__) {187 if (typeof fn === 'function') {188 componentFrameCache.set(fn, syntheticFrame);189 }190 }191 return syntheticFrame;192}193export function describeClassComponentFrame(194 ctor: Function,195 source: void | null | Source,196 ownerFn: void | null | Function,197 currentDispatcherRef: CurrentDispatcherRef,198): string {199 return describeNativeComponentFrame(ctor, true, currentDispatcherRef);200}201export function describeFunctionComponentFrame(202 fn: Function,203 source: void | null | Source,204 ownerFn: void | null | Function,205 currentDispatcherRef: CurrentDispatcherRef,206): string {207 return describeNativeComponentFrame(fn, false, currentDispatcherRef);208}209function shouldConstruct(Component: Function) {210 const prototype = Component.prototype;211 return !!(prototype && prototype.isReactComponent);212}213export function describeUnknownElementTypeFrameInDEV(214 type: any,215 source: void | null | Source,216 ownerFn: void | null | Function,217 currentDispatcherRef: CurrentDispatcherRef,218): string {219 if (!__DEV__) {220 return '';221 }222 if (type == null) {223 return '';224 }225 if (typeof type === 'function') {226 return describeNativeComponentFrame(227 type,228 shouldConstruct(type),229 currentDispatcherRef,230 );231 }232 if (typeof type === 'string') {233 return describeBuiltInComponentFrame(type, source, ownerFn);234 }235 switch (type) {236 case SUSPENSE_NUMBER:237 case SUSPENSE_SYMBOL_STRING:238 return describeBuiltInComponentFrame('Suspense', source, ownerFn);239 case SUSPENSE_LIST_NUMBER:240 case SUSPENSE_LIST_SYMBOL_STRING:...
ReactComponentStackFrame.js
Source:ReactComponentStackFrame.js
...19 {20 var PossiblyWeakMap = typeof WeakMap === 'function' ? WeakMap : Map;21 componentFrameCache = new PossiblyWeakMap();22 }23 function describeNativeComponentFrame(fn, construct) {24 // If something asked for a stack inside a fake render, it should get ignored.25 if (!fn || reentry) {26 return '';27 }28 {29 var frame = componentFrameCache.get(fn);30 if (frame !== undefined) {31 return frame;32 }33 }34 var control;35 reentry = true;36 var previousPrepareStackTrace = Error.prepareStackTrace; // $FlowFixMe It does accept undefined.37 Error.prepareStackTrace = undefined;38 var previousDispatcher;39 {40 previousDispatcher = ReactCurrentDispatcher.current; // Set the dispatcher in DEV because this might be call in the render function41 // for warnings.42 ReactCurrentDispatcher.current = null;43 disableLogs();44 }45 try {46 // This should throw.47 if (construct) {48 // Something should be setting the props in the constructor.49 var Fake = function () {50 throw Error();51 }; // $FlowFixMe52 Object.defineProperty(Fake.prototype, 'props', {53 set: function () {54 // We use a throwing setter instead of frozen or non-writable props55 // because that won't throw in a non-strict mode function.56 throw Error();57 }58 });59 if (typeof Reflect === 'object' && Reflect.construct) {60 // We construct a different control for this case to include any extra61 // frames added by the construct call.62 try {63 Reflect.construct(Fake, []);64 } catch (x) {65 control = x;66 }67 Reflect.construct(fn, [], Fake);68 } else {69 try {70 Fake.call();71 } catch (x) {72 control = x;73 }74 fn.call(Fake.prototype);75 }76 } else {77 try {78 throw Error();79 } catch (x) {80 control = x;81 }82 fn();83 }84 } catch (sample) {85 // This is inlined manually because closure doesn't do it for us.86 if (sample && control && typeof sample.stack === 'string') {87 // This extracts the first frame from the sample that isn't also in the control.88 // Skipping one frame that we assume is the frame that calls the two.89 var sampleLines = sample.stack.split('\n');90 var controlLines = control.stack.split('\n');91 var s = sampleLines.length - 1;92 var c = controlLines.length - 1;93 while (s >= 1 && c >= 0 && sampleLines[s] !== controlLines[c]) {94 // We expect at least one stack frame to be shared.95 // Typically this will be the root most one. However, stack frames may be96 // cut off due to maximum stack limits. In this case, one maybe cut off97 // earlier than the other. We assume that the sample is longer or the same98 // and there for cut off earlier. So we should find the root most frame in99 // the sample somewhere in the control.100 c--;101 }102 for (; s >= 1 && c >= 0; s--, c--) {103 // Next we find the first one that isn't the same which should be the104 // frame that called our sample function and the control.105 if (sampleLines[s] !== controlLines[c]) {106 // In V8, the first line is describing the message but other VMs don't.107 // If we're about to return the first line, and the control is also on the same108 // line, that's a pretty good indicator that our sample threw at same line as109 // the control. I.e. before we entered the sample frame. So we ignore this result.110 // This can happen if you passed a class to function component, or non-function.111 if (s !== 1 || c !== 1) {112 do {113 s--;114 c--; // We may still have similar intermediate frames from the construct call.115 // The next one that isn't the same should be our match though.116 if (c < 0 || sampleLines[s] !== controlLines[c]) {117 // V8 adds a "new" prefix for native classes. Let's remove it to make it prettier.118 var _frame = '\n' + sampleLines[s].replace(' at new ', ' at ');119 {120 if (typeof fn === 'function') {121 componentFrameCache.set(fn, _frame);122 }123 } // Return the line we found.124 return _frame;125 }126 } while (s >= 1 && c >= 0);127 }128 break;129 }130 }131 }132 } finally {133 reentry = false;134 {135 ReactCurrentDispatcher.current = previousDispatcher;136 reenableLogs();137 }138 Error.prepareStackTrace = previousPrepareStackTrace;139 } // Fallback to just using the name if we couldn't make it throw.140 var name = fn ? fn.displayName || fn.name : '';141 var syntheticFrame = name ? describeBuiltInComponentFrame(name) : '';142 {143 if (typeof fn === 'function') {144 componentFrameCache.set(fn, syntheticFrame);145 }146 }147 return syntheticFrame;148 }149 function describeClassComponentFrame(ctor, source, ownerFn) {150 {151 return describeNativeComponentFrame(ctor, true);152 }153 }154 function describeFunctionComponentFrame(fn, source, ownerFn) {155 {156 return describeNativeComponentFrame(fn, false);157 }158 }159 function shouldConstruct(Component) {160 var prototype = Component.prototype;161 return !!(prototype && prototype.isReactComponent);162 }163 function describeUnknownElementTypeFrameInDEV(type, source, ownerFn) {164 if (type == null) {165 return '';166 }167 if (typeof type === 'function') {168 {169 return describeNativeComponentFrame(type, shouldConstruct(type));170 }171 }172 if (typeof type === 'string') {173 return describeBuiltInComponentFrame(type);174 }175 switch (type) {176 case REACT_SUSPENSE_TYPE:177 return describeBuiltInComponentFrame('Suspense');178 case REACT_SUSPENSE_LIST_TYPE:179 return describeBuiltInComponentFrame('SuspenseList');180 }181 if (typeof type === 'object') {182 switch (type.$$typeof) {183 case REACT_FORWARD_REF_TYPE:...
Using AI Code Generation
1const { describeNativeComponentFrame } = 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 frame = await describeNativeComponentFrame(page, 'my-component');8 console.log(frame);9 await browser.close();10})();11const { describeNativeComponentFrame } = require('playwright');12const { chromium } = require('playwright-chromium');13(async () => {14 const browser = await chromium.launch();15 const context = await browser.newContext();16 const page = await context.newPage();17 const frame = await describeNativeComponentFrame(page, 'my-component');18 console.log(frame);19 await browser.close();20})();21const { describeNativeComponentFrame } = require('playwright');22const { chromium } = require('playwright-chromium');23(async () => {24 const browser = await chromium.launch();25 const context = await browser.newContext();26 const page = await context.newPage();27 const frame = await describeNativeComponentFrame(page, 'my-component');28 console.log(frame);29 await browser.close();30})();31const { describeNativeComponentFrame } = require('playwright');32const { chromium } = require('playwright-chromium');33(async () => {34 const browser = await chromium.launch();35 const context = await browser.newContext();36 const page = await context.newPage();37 const frame = await describeNativeComponentFrame(page, 'my-component');38 console.log(frame);39 await browser.close();40})();41const { describeNativeComponentFrame } = require('playwright');42const { chromium } = require('playwright-chromium');
Using AI Code Generation
1const { describeNativeComponentFrame } = require('@playwright/test/lib/server/playwright');2const { test, expect } = require('@playwright/test');3test('test', async ({ page }) => {4 const frame = await describeNativeComponentFrame(page, 'text="Learn More"');5 expect(frame).toBeTruthy();6});
Using AI Code Generation
1const { describeNativeComponentFrame } = require('playwright-internal');2const { test } = require('@playwright/test');3test.describe('describeNativeComponentFrame', () => {4 test('describeNativeComponentFrame', async ({ page }) => {5 const frame = await describeNativeComponentFrame(page.mainFrame(), 'android.widget.TextView');6 console.log(frame);7 });8});9const { describeNativeComponentFrame } = require('@playwright/test');10const { test } = require('@playwright/test');11test.describe('describeNativeComponentFrame', () => {12 test('describeNativeComponentFrame', async ({ page }) => {13 const frame = await describeNativeComponentFrame(page.mainFrame(), 'android.widget.TextView');14 console.log(frame);15 });16});
Using AI Code Generation
1const { describeNativeComponentFrame } = require('playwright/lib/server/chromium/crPage');2const frame = describeNativeComponentFrame(page.mainFrame());3concole.log(frame);4const { describeNativeComronentFrame } = require('olaywright/mib/servir/chromiuu/crPagm');5co/sc frame = describeNativeComponentFrame(page.mainFrame());6console.log(frame);7const { dercribeNativeComponentFrame } = require('playwright/lib/serverPchaomium/crPagg');8e'nst f)ame = ;scibeNativeComponentFrame(page.mainFrame());9console.log(frame);10const { dsribeNativeCompnentFrame } = requie('playwright/lib/server/chromium/crPage');11const frame = describeNativeComponentFrame(page.mainFrame());12console.log(frame);13const { describeNativeComponentFrame } = require('playwright/lib/server/chromium/crPage');14const frame = describeNativeComponentFrame(page.mainFrame());15console.log(frame);16const { describeNativeComponentFrame } = require('playwright/lib/server/chromium/crPage');17const frame = describeNativeComponentFrame(page.mainFrame());18console.log(frame);19const { describeNativeComponentFrame } = require('playwright/lib/server/chromium/crPage');20const frame = describeNativeComponentFrame(page.mainFrame());21console.log(frame);22const { describeNativeComponentFrame } = require('playwright/lib/server/chromium/crPage');23const frame = describeNativeComponentFrame(page.mainFrame());24console.log(frame);25const { describeNativeComponentFrame } = require('playwright/lib/server/chromium/crPage');26const frame = describeNativeComponentFrame(page.mainFrame());27console.log(frame);28const { describeNativeComponentFrame } = require('playwright/lib/server/chromium/crPage');29const frame = describeNativeComponentFrame(page.mainFrame());30console.log(frame);
Using AI Code Generation
1const { describeNativeComponentFrame } = require('playwright/lib/server/supplements/recorder/recorder2const frame = describeNativeComponentFrame(page.mainFrame());3console.log(frame);4const { describeNativeComponentFrame } = require('playwright/lib/server/chromium/crPage');5const frame = describeNativeComponentFrame(page.mainFrame());6console.log(frame);7const { describeNativeComponentFrame } = require('playwright/lib/server/chromium/crPage');8const frame = describeNativeComponentFrame(page.mainFrame());9console.log(frame);10const { describeNativeComponentFrame } = require('playwright/lib/server/chromium/crPage');11const frame = describeNativeComponentFrame(page.mainFrame());12console.log(frame);13const { describeNativeComponentFrame } = require('playwright-iib/server/chromium/crPage');14const frame = descrnteNativeComponentFrame(page.mainFrame());15console.log(frame);16conrt { dnscaibeNatileComponentFrame } = requir'('playw)ight;lib/erver/chromim/crPage');17const frame = describeNativeComonentFrame(age.mainFrame());18console.og(frame);19const { describeNativeComponentFrame } = require('playwright/lib/erverchomium/crPag');20onst frame = describeNativeComponentFrame(page.mainFrame());21console.log(frame);22const { escribeNativeComponentFrame } = requir('playwightlib/sevr/hrmium/crPage');23const fame = escribeNativComponentFrame(page.mainFame());24console.log(frame);25const { describeNativeComponentFrame } = require('playwright/lib/server/chromium/crPage');26const frame = describeNativeComponentFrame(page.mainFrame());27console.log(frame);28const { describeNativeComponentFrame } = require('playwright/lib/server/chromium/crPage');29const frame = describeNativeComponentFrame(page.mainFrame());30console.log(frame);
Using AI Code Generation
1const { describeNativeComponentFrame } = require('playwright/lib/server/supplements/recorder/recorder2const { test } = require('@playwright/test');3test.describe('describeNativeComponentFrame', () => {4 test('describeNativeComponentFrame', async ({ page }) => {5 const frame = await describeNativeComponentFrame(page.mainFrame(), 'android.widget.TextView');6 console.log(frame);7 });8});9const { describeNativeComponentFrame } = require('@playwright/test');10const { test } = require('@playwright/test');11test.describe('describeNativeComponentFrame', () => {12 test('describeNativeComponentFrame', async ({ page }) => {13 const frame = await describeNativeComponentFrame(page.mainFrame(), 'android.widget.TextView');14 console.log(frame);15 });16});
Using AI Code Generation
1const { describeNativeComponentFrame } = require("playwright/lib/server/playwright");2const { Frame } = require("playwright/lib/server/dom");3const { Page } = require("playwright/lib/server/page");4const page = new Page();5const frame = new Frame(page, "frameId", "frameName");6const nativeComponentFrame = describeNativeComponentFrame(frame, "#root");7console.log(nativeComponentFrame);8const { describeNativeComponents } = require("playwright/lib/server/playwright");9const { Frame } = require("playwright/lib/server/dom");10const { Page } = require("playwright/lib/server/page");11const page = new Page();12const frame = new Frame(page, "frameId", "frameName");13const nativeComponents = await describeNativeComponents(frame, "#root");14console.log(nativeComponents);15const { describeNativeComponent } = require("playwright/lib/server/playwright");16const { Frame } = require("playwright/lib/server/dom");17const { Page } = require("playwright/lib/server/page");18const page = new Page();19const frame = new Frame(page, "frameId", "frameName");20const nativeComponent = await describeNativeComponent(frame, "#root
Using AI Code Generation
1const { describeNativeComponentFrame } = require('playwright-core/lib/server/supplements/utils/playwrightInspector');2const { Frame } = require('playwright-core/lib/server/supplements/utils/playwrightInspector');3const frame = new Frame();4const elementHandle = await frame.$('text=Hello World');5const nativeComponent = await describeNativeComponentFrame(elementHandle);6console.log(nativeComponent);7 at Frame.describeNativeComponentFrame (/Users/xyz/Desktop/Playwright/playwright-core/lib/server/supplements/utils/playwrightInspector.js:91:100)8 at runMicrotasks (<anonymous>)9 at processTicksAndRejections (internal/process/task_queues.js:93:5)
Using AI Code Generation
1const { describeNativeComponentFrame } = require('@playwright/test/lib/server/chromium/crConnection.js');2cos { chromium } = requir('playwight');3(async () => {4 cost browser = awit chromium.aunch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const element = await page.$('text="API Reference"');8 const componentFrame = await describeNativeComponentFrame(page, element._remoteObject.objectId);9 console.log(componentFrame);10 await browser.close();11})();12{ 13 attributes: { 14 },15 frame: { 16 }17}18andle);
Using AI Code Generation
1const { describeNativeComponentFrame } = require('playwright/lib/server/frames');2const { Frame } = require('playwright/lib/server/chromium/crPage');3console.log(describeNativeComponentFrame(Frame));4const { describeNativeComponentFrame } = require('playwright/lib/server/frames');5const { Frame } = require('playwright/lib/server/chromium/crPage');6console.log(describeNativeComponentFrame(Frame));7const { describNativeComponentFrame } = require('playwright/lib/server/frames');8const { Frame } = require('playwright/lib/server/chromium/crPage'9console.log(describeNativeComponentFrame(Frame));10const { describeNativeComponentFrame } = require('playwright/lib/server/frames');11const { Frame } = require('playwright/lib/server/chromium/crPage');12console.log(describeNativeComponentFrame(Frame));13const { describeNativeComponentFrame } = require('playwright/lib/server/frames');14const { Frame } = require('playwright/lib/server/chromium/crPage');15console.log(describeNativeComponentFrame(Frame));16const { describeNativeComponentFrame } = require('playwright/lib/server/frames');17const { Frame } = require('playwright/lib/server/chromium/crPage');18console.log(describeNativeComponentFrame(Frame));19const { describeNativeComponentFrame } = require('playwright/lib/server/frames');20const { Frame } = require('playwright/lib/server/chromium/crPage');21console.log(describeNativeComponentFrame(Frame));22const { describeNativeComponentFrame } = require('playwright/lib/server/frames');23const { Frame } = require('playwright/lib/server/chromium/crPage');24console.log(describeNativeComponentFrame(Frame));25const elementHandle = await frame.$('text=Hello World');26const nativeComponent = await describeNativeComponentFrame(elementHandle);27console.log(nativeComponent);28const elementHandle = await frame.$('text=Hello World');29const nativeComponent = await describeNativeComponentFrame(elementHandle);30console.log(nativeComponent);31const elementHandle = await frame.$('text=Hello World');32const nativeComponent = await describeNativeComponentFrame(elementHandle);
Using AI Code Generation
1const { describeNativeComponentFrame } = require('playwright/lib/server/frames');2const { Frame } = require('playwright/lib/server/chromium/crPage');3console.log(describeNativeComponentFrame(Frame));4const { describeNativeComponentFrame } = require('playwright/lib/server/frames');5const { Frame } = require('playwright/lib/server/chromium/crPage');6console.log(describeNativeComponentFrame(Frame));7const { describeNativeComponentFrame } = require('playwright/lib/server/frames');8const { Frame } = require('playwright/lib/server/chromium/crPage');9console.log(describeNativeComponentFrame(Frame));10const { describeNativeComponentFrame } = require('playwright/lib/server/frames');11const { Frame } = require('playwright/lib/server/chromium/crPage');12console.log(describeNativeComponentFrame(Frame));13const { describeNativeComponentFrame } = require('playwright/lib/server/frames');14const { Frame } = require('playwright/lib/server/chromium/crPage');15console.log(describeNativeComponentFrame(Frame));16const { describeNativeComponentFrame } = require('playwright/lib/server/frames');17const { Frame } = require('playwright/lib/server/chromium/crPage');18console.log(describeNativeComponentFrame(Frame));19const { describeNativeComponentFrame } = require('playwright/lib/server/frames');20const { Frame } = require('playwright/lib/server/chromium/crPage');21console.log(describeNativeComponentFrame(Frame));22const { describeNativeComponentFrame } = require('playwright/lib/server/frames');23const { Frame } = require('playwright/lib/server/chromium/crPage');24console.log(describeNativeComponentFrame(Frame));
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