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How to use setScreencastOptions method in Playwright Internal

Best JavaScript code snippet using playwright-internal

page.js

Source:page.js

...457      this._pageBindings.get(name) ||458      this._browserContext._pageBindings.get(name)459    )460  }461  setScreencastOptions(options) {462    this._delegate463      .setScreencastOptions(options)464      .catch((e) => _debugLogger.debugLogger.log('error', e))465    this._frameThrottler.setEnabled(!!options)466  }467  throttleScreencastFrameAck(ack) {468    // Don't ack immediately, tracing has smart throttling logic that is implemented here.469    this._frameThrottler.ack(ack)470  }471  temporarlyDisableTracingScreencastThrottling() {472    this._frameThrottler.recharge()473  }474  firePageError(error) {475    this.emit(Page.Events.PageError, error)476  }477  parseSelector(selector, options) {...

tracing.js

Source:tracing.js

...115    this._screencastListeners.push(_eventsHelper.eventsHelper.addEventListener(this._context, _browserContext.BrowserContext.Events.Page, this._startScreencastInPage.bind(this)));116  }117  _stopScreencast() {118    _eventsHelper.eventsHelper.removeEventListeners(this._screencastListeners);119    for (const page of this._context.pages()) page.setScreencastOptions(null);120  }121  async stop() {122    if (!this._state) return;123    if (this._isStopping) throw new Error(`Tracing is already stopping`);124    if (this._state.recording) throw new Error(`Must stop trace file before stopping tracing`);125    this._harTracer.stop();126    await this._writeChain;127    this._state = undefined;128  }129  async dispose() {130    this._snapshotter.dispose();131    await this._writeChain;132  }133  async stopChunk(save) {134    if (this._isStopping) throw new Error(`Tracing is already stopping`);135    this._isStopping = true;136    for (const {137      sdkObject,138      metadata,139      beforeSnapshot,140      actionSnapshot,141      afterSnapshot142    } of this._pendingCalls.values()) {143      await Promise.all([beforeSnapshot, actionSnapshot, afterSnapshot]);144      let callMetadata = metadata;145      if (!afterSnapshot) {146        // Note: we should not modify metadata here to avoid side-effects in any other place.147        callMetadata = { ...metadata,148          error: {149            error: {150              name: 'Error',151              message: 'Action was interrupted'152            }153          }154        };155      }156      await this.onAfterCall(sdkObject, callMetadata);157    }158    if (!this._state || !this._state.recording) {159      this._isStopping = false;160      if (save) throw new Error(`Must start tracing before stopping`);161      return null;162    }163    const state = this._state;164    this._context.instrumentation.removeListener(this);165    if (state.options.screenshots) this._stopScreencast();166    if (state.options.snapshots) await this._snapshotter.stop(); // Chain the export operation against write operations,167    // so that neither trace files nor sha1s change during the export.168    return await this._appendTraceOperation(async () => {169      const result = save ? this._export(state) : Promise.resolve(null);170      return result.finally(async () => {171        this._isStopping = false;172        state.recording = false;173      });174    });175  }176  async _export(state) {177    const zipFile = new _yazl.default.ZipFile();178    const failedPromise = new Promise((_, reject) => zipFile.on('error', reject));179    const succeededPromise = new Promise(fulfill => {180      zipFile.addFile(state.traceFile, 'trace.trace');181      zipFile.addFile(state.networkFile, 'trace.network');182      const zipFileName = state.traceFile + '.zip';183      for (const sha1 of state.sha1s) zipFile.addFile(_path.default.join(this._resourcesDir, sha1), _path.default.join('resources', sha1));184      zipFile.end();185      zipFile.outputStream.pipe(_fs.default.createWriteStream(zipFileName)).on('close', () => {186        const artifact = new _artifact.Artifact(this._context, zipFileName);187        artifact.reportFinished();188        fulfill(artifact);189      });190    });191    return Promise.race([failedPromise, succeededPromise]);192  }193  async _captureSnapshot(name, sdkObject, metadata, element) {194    if (!sdkObject.attribution.page) return;195    if (!this._snapshotter.started()) return;196    if (!shouldCaptureSnapshot(metadata)) return;197    const snapshotName = `${name}@${metadata.id}`;198    metadata.snapshots.push({199      title: name,200      snapshotName201    }); // We have |element| for input actions (page.click and handle.click)202    // and |sdkObject| element for accessors like handle.textContent.203    if (!element && sdkObject instanceof _dom.ElementHandle) element = sdkObject;204    await this._snapshotter.captureSnapshot(sdkObject.attribution.page, snapshotName, element).catch(() => {});205  }206  async onBeforeCall(sdkObject, metadata) {207    // Set afterSnapshot name for all the actions that operate selectors.208    // Elements resolved from selectors will be marked on the snapshot.209    metadata.afterSnapshot = `after@${metadata.id}`;210    const beforeSnapshot = this._captureSnapshot('before', sdkObject, metadata);211    this._pendingCalls.set(metadata.id, {212      sdkObject,213      metadata,214      beforeSnapshot215    });216    await beforeSnapshot;217  }218  async onBeforeInputAction(sdkObject, metadata, element) {219    const actionSnapshot = this._captureSnapshot('action', sdkObject, metadata, element);220    this._pendingCalls.get(metadata.id).actionSnapshot = actionSnapshot;221    await actionSnapshot;222  }223  async onAfterCall(sdkObject, metadata) {224    const pendingCall = this._pendingCalls.get(metadata.id);225    if (!pendingCall || pendingCall.afterSnapshot) return;226    if (!sdkObject.attribution.context) {227      this._pendingCalls.delete(metadata.id);228      return;229    }230    pendingCall.afterSnapshot = this._captureSnapshot('after', sdkObject, metadata);231    await pendingCall.afterSnapshot;232    const event = {233      type: 'action',234      metadata235    };236    this._appendTraceEvent(event);237    this._pendingCalls.delete(metadata.id);238  }239  onEvent(sdkObject, metadata) {240    if (!sdkObject.attribution.context) return;241    const event = {242      type: 'event',243      metadata244    };245    this._appendTraceEvent(event);246  }247  onEntryStarted(entry) {}248  onEntryFinished(entry) {249    const event = {250      type: 'resource-snapshot',251      snapshot: entry252    };253    this._appendTraceOperation(async () => {254      visitSha1s(event, this._state.sha1s);255      await _fs.default.promises.appendFile(this._state.networkFile, JSON.stringify(event) + '\n');256    });257  }258  onContentBlob(sha1, buffer) {259    this._appendResource(sha1, buffer);260  }261  onSnapshotterBlob(blob) {262    this._appendResource(blob.sha1, blob.buffer);263  }264  onFrameSnapshot(snapshot) {265    this._appendTraceEvent({266      type: 'frame-snapshot',267      snapshot268    });269  }270  _startScreencastInPage(page) {271    page.setScreencastOptions(kScreencastOptions);272    const prefix = page.guid;273    let frameSeq = 0;274    this._screencastListeners.push(_eventsHelper.eventsHelper.addEventListener(page, _page.Page.Events.ScreencastFrame, params => {275      const suffix = String(++frameSeq).padStart(10, '0');276      const sha1 = `${prefix}-${suffix}.jpeg`;277      const event = {278        type: 'screencast-frame',279        pageId: page.guid,280        sha1,281        width: params.width,282        height: params.height,283        timestamp: (0, _utils.monotonicTime)()284      }; // Make sure to write the screencast frame before adding a reference to it.285      this._appendResource(sha1, params.buffer);...

BrowserHandler.js

Source:BrowserHandler.js

...167  async ['Browser.setColorScheme']({browserContextId, colorScheme}) {168    await this._targetRegistry.browserContextForId(browserContextId).setColorScheme(nullToUndefined(colorScheme));169  }170  async ['Browser.setScreencastOptions']({browserContextId, dir, width, height, scale}) {171    await this._targetRegistry.browserContextForId(browserContextId).setScreencastOptions({dir, width, height, scale});172  }173  async ['Browser.setUserAgentOverride']({browserContextId, userAgent}) {174    await this._targetRegistry.browserContextForId(browserContextId).setDefaultUserAgent(userAgent);175  }176  async ['Browser.setBypassCSP']({browserContextId, bypassCSP}) {177    await this._targetRegistry.browserContextForId(browserContextId).applySetting('bypassCSP', nullToUndefined(bypassCSP));178  }179  async ['Browser.setJavaScriptDisabled']({browserContextId, javaScriptDisabled}) {180    await this._targetRegistry.browserContextForId(browserContextId).applySetting('javaScriptDisabled', nullToUndefined(javaScriptDisabled));181  }182  async ['Browser.setLocaleOverride']({browserContextId, locale}) {183    await this._targetRegistry.browserContextForId(browserContextId).applySetting('locale', nullToUndefined(locale));184  }185  async ['Browser.setTimezoneOverride']({browserContextId, timezoneId}) {...

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  const client = await page.context().newCDPSession(page);7  await client.send('Emulation.setScreencastOptions', {8  });9  await page.screenshot({ path: 'google.png' });10  await browser.close();11})();

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.screenshot({ path: `example.png` });7  await browser.close();8})();9module.exports = {10  use: {11    launchOptions: {12    },13    contextOptions: {14      recordVideo: { dir: 'videos/' },15      recordTrace: { dir: 'traces/' },16      recordScreenshots: { dir: 'screenshots/' },17    },18  },19};20{21  "scripts": {22  },23  "devDependencies": {24  }25}26{27  "scripts": {28  },29  "devDependencies": {30  },31  "playwright": {32    "use": {

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.launch({headless: false});4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.setScreencastOptions({width: 800, height: 600, quality: 80});7  await page.screencastFrameAck(1);8  await browser.close();9})();10Recommended Posts: Playwright | setViewportSize() Method11Playwright | setViewportSize() Method12Playwright | setExtraHTTPHeaders() Method13Playwright | setGeolocation() Method14Playwright | setOffline() Method15Playwright | setDefaultTimeout() Method

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  await page._client.send('Emulation.setScreencastOptions', {7  });8  await page.screenshot({path: 'google.png'});9  await browser.close();10})();

Using AI Code Generation

1const playwright = require('playwright');2const fs = require('fs');3(async () => {4  const browser = await playwright.chromium.launch({5  });6  const context = await browser.newContext();7  const page = await context.newPage();8  await page.screenshot({ path: 'google.png' });9  await page._client.send('Page.setScreencastOptions', {10  });11  await page.screenshot({12    clip: { x: 0, y: 0, width: 1280, height: 720 },13  });14  await browser.close();15})();16Hi @dgozman, I am also facing the same issue. I have a test which is failing because of the screenshot. I tried the workaround by setting the format to jpeg but the issue still persists. I am using the latest version of Playwright (1.11.1). Can you please help me with this?17const page = await context.newPage();18await page.screenshot({ path: 'google.png' });19await page._client.send('Page.setScreencastOptions', {20});21await page.screenshot({22    clip: { x: 0, y: 0, width: 1280, height: 720 },23});24const page = await context.newPage();25await page.screenshot({ path: 'google.png' });

Using AI Code Generation

1const playwright = require('playwright');2const { setScreencastOptions } = require('playwright/lib/server/supplements/recorder/recorderSupplement');3(async () => {4  const browser = await playwright.chromium.launch({ headless: false });5  const context = await browser.newContext();6  await setScreencastOptions(context, { width: 1280, height: 720, outputDir: '/tmp/videos' });7  const page = await context.newPage();8  await page.screenshot({ path: `example.png` });9  await browser.close();10})();11const { setScreencastOptions } = require('playwright/lib/server/supplements/recorder/recorderSupplement');12module.exports = {13  use: {14    viewport: { width: 1280, height: 720 },15    launchOptions: { args: ['--no-sandbox', '--disable-setuid-sandbox'], },16    contextOptions: { recordVideo: { dir: '/tmp/videos' } },17  },18    {19      use: {20        viewport: { width: 1280, height: 720 },21        launchOptions: { args: ['--no-sandbox', '--disable-setuid-sandbox'], },22      },23    },24    {25      use: {26        viewport: { width: 1280, height: 720 },27        launchOptions: { args: ['--no-sandbox', '--disable-setuid-sandbox'], },28      },29    },30    {31      use: {32        viewport: { width: 1280, height: 720 },33        launchOptions: { args: ['--no-sandbox', '--disable-setuid-sandbox'], },34      },35    },36    {

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