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How to use getScreenshotMimeType method in Puppeteer

Best JavaScript code snippet using puppeteer

Page.js

Source:Page.js

...480   * @return {Promise<string|Buffer>}481   */482  async screenshot(options = {}) {483    const {data} = await this._session.send('Page.screenshot', {484      mimeType: getScreenshotMimeType(options),485      fullPage: options.fullPage,486      clip: processClip(options.clip),487    });488    const buffer = options.encoding === 'base64' ? data : Buffer.from(data, 'base64');489    if (options.path)490      await writeFileAsync(options.path, buffer);491    return buffer;492    function processClip(clip) {493      if (!clip)494        return undefined;495      const x = Math.round(clip.x);496      const y = Math.round(clip.y);497      const width = Math.round(clip.width + clip.x - x);498      const height = Math.round(clip.height + clip.y - y);499      return {x, y, width, height};500    }501  }502  async evaluate(pageFunction, ...args) {503    return await this._frameManager.mainFrame().evaluate(pageFunction, ...args);504  }505  /**506   * @param {!{content?: string, path?: string, type?: string, url?: string}} options507   * @return {!Promise<!ElementHandle>}508   */509  async addScriptTag(options) {510    return await this._frameManager.mainFrame().addScriptTag(options);511  }512  /**513   * @param {!{content?: string, path?: string, url?: string}} options514   * @return {!Promise<!ElementHandle>}515   */516  async addStyleTag(options) {517    return await this._frameManager.mainFrame().addStyleTag(options);518  }519  /**520   * @param {string} selector521   * @param {!{delay?: number, button?: string, clickCount?: number}=} options522   */523  async click(selector, options = {}) {524    return await this._frameManager.mainFrame().click(selector, options);525  }526  /**527   * @param {string} selector528   */529  tap(selector) {530    return this.mainFrame().tap(selector);531  }532  /**533   * @param {string} selector534   * @param {string} text535   * @param {{delay: (number|undefined)}=} options536   */537  async type(selector, text, options) {538    return await this._frameManager.mainFrame().type(selector, text, options);539  }540  /**541   * @param {string} selector542   */543  async focus(selector) {544    return await this._frameManager.mainFrame().focus(selector);545  }546  /**547   * @param {string} selector548   */549  async hover(selector) {550    return await this._frameManager.mainFrame().hover(selector);551  }552  /**553   * @param {(string|number|Function)} selectorOrFunctionOrTimeout554   * @param {!{polling?: string|number, timeout?: number, visible?: boolean, hidden?: boolean}=} options555   * @param {!Array<*>} args556   * @return {!Promise<!JSHandle>}557   */558  async waitFor(selectorOrFunctionOrTimeout, options = {}, ...args) {559    return await this._frameManager.mainFrame().waitFor(selectorOrFunctionOrTimeout, options, ...args);560  }561  /**562   * @param {Function|string} pageFunction563   * @param {!{polling?: string|number, timeout?: number}=} options564   * @return {!Promise<!JSHandle>}565   */566  async waitForFunction(pageFunction, options = {}, ...args) {567    return await this._frameManager.mainFrame().waitForFunction(pageFunction, options, ...args);568  }569  /**570   * @param {string} selector571   * @param {!{timeout?: number, visible?: boolean, hidden?: boolean}=} options572   * @return {!Promise<!ElementHandle>}573   */574  async waitForSelector(selector, options = {}) {575    return await this._frameManager.mainFrame().waitForSelector(selector, options);576  }577  /**578   * @param {string} xpath579   * @param {!{timeout?: number, visible?: boolean, hidden?: boolean}=} options580   * @return {!Promise<!ElementHandle>}581   */582  async waitForXPath(xpath, options = {}) {583    return await this._frameManager.mainFrame().waitForXPath(xpath, options);584  }585  /**586   * @return {!Promise<string>}587   */588  async title() {589    return await this._frameManager.mainFrame().title();590  }591  /**592   * @param {string} selector593   * @return {!Promise<?ElementHandle>}594   */595  async $(selector) {596    return await this._frameManager.mainFrame().$(selector);597  }598  /**599   * @param {string} selector600   * @return {!Promise<!Array<!ElementHandle>>}601   */602  async $$(selector) {603    return await this._frameManager.mainFrame().$$(selector);604  }605  /**606   * @param {string} selector607   * @param {Function|String} pageFunction608   * @param {!Array<*>} args609   * @return {!Promise<(!Object|undefined)>}610   */611  async $eval(selector, pageFunction, ...args) {612    return await this._frameManager.mainFrame().$eval(selector, pageFunction, ...args);613  }614  /**615   * @param {string} selector616   * @param {Function|String} pageFunction617   * @param {!Array<*>} args618   * @return {!Promise<(!Object|undefined)>}619   */620  async $$eval(selector, pageFunction, ...args) {621    return await this._frameManager.mainFrame().$$eval(selector, pageFunction, ...args);622  }623  /**624   * @param {string} expression625   * @return {!Promise<!Array<!ElementHandle>>}626   */627  async $x(expression) {628    return await this._frameManager.mainFrame().$x(expression);629  }630  async evaluateHandle(pageFunction, ...args) {631    return await this._frameManager.mainFrame().evaluateHandle(pageFunction, ...args);632  }633  /**634  * @param {string} selector635  * @param {!Array<string>} values636  * @return {!Promise<!Array<string>>}637  */638  async select(selector, ...values) {639    return await this._frameManager.mainFrame().select(selector, ...values);640  }641  async close(options = {}) {642    const {643      runBeforeUnload = false,644    } = options;645    await this._session.send('Page.close', { runBeforeUnload });646    if (!runBeforeUnload)647      await this._target._isClosedPromise;648  }649  async content() {650    return await this._frameManager.mainFrame().content();651  }652  /**653   * @param {string} html654   */655  async setContent(html) {656    return await this._frameManager.mainFrame().setContent(html);657  }658  _onConsole({type, args, executionContextId, location}) {659    const context = this._frameManager.executionContextById(executionContextId);660    this.emit(Events.Page.Console, new ConsoleMessage(type, args.map(arg => createHandle(context, arg)), location));661  }662  /**663   * @return {boolean}664   */665  isClosed() {666    return this._closed;667  }668}669// Expose alias for deprecated method.670Page.prototype.emulateMedia = Page.prototype.emulateMediaType;671class ConsoleMessage {672  /**673   * @param {string} type674   * @param {!Array<!JSHandle>} args675   */676  constructor(type, args, location) {677    this._type = type;678    this._args = args;679    this._location = location;680  }681  location() {682    return this._location;683  }684  /**685   * @return {string}686   */687  type() {688    return this._type;689  }690  /**691   * @return {!Array<!JSHandle>}692   */693  args() {694    return this._args;695  }696  /**697   * @return {string}698   */699  text() {700    return this._args.map(arg => {701      if (arg._objectId)702        return arg.toString();703      return arg._deserializeValue(arg._protocolValue);704    }).join(' ');705  }706}707function getScreenshotMimeType(options) {708  // options.type takes precedence over inferring the type from options.path709  // because it may be a 0-length file with no extension created beforehand (i.e. as a temp file).710  if (options.type) {711    if (options.type === 'png')712      return 'image/png';713    if (options.type === 'jpeg')714      return 'image/jpeg';715    throw new Error('Unknown options.type value: ' + options.type);716  }717  if (options.path) {718    const fileType = mime.getType(options.path);719    if (fileType === 'image/png' || fileType === 'image/jpeg')720      return fileType;721    throw new Error('Unsupported screenshot mime type: ' + fileType);...

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch();4  const page = await browser.newPage();5  const mimeType = await page.screenshot({ encoding: 'base64' });6  console.log(mimeType);7  await browser.close();8})();

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch();4  const page = await browser.newPage();5  await page.screenshot({path: 'example.png'});6  const mimeType = await page.getScreenshotMimeType();7  console.log(mimeType);8  await browser.close();9})();10Recommended Posts: Puppeteer | getMetrics() method in Puppeteer11Puppeteer | setRequestInterception() method in Puppeteer12Puppeteer | setExtraHTTPHeaders() method in Puppeteer13Puppeteer | setJavaScriptEnabled() method in Puppeteer14Puppeteer | setOfflineMode() method in Puppeteer15Puppeteer | setUserAgent() method in Puppeteer16Puppeteer | setViewport() method in Puppeteer17Puppeteer | setBypassCSP() method in Puppeteer18Puppeteer | setCacheEnabled() method in Puppeteer19Puppeteer | setGeolocation() method in Puppeteer20Puppeteer | setIgnoreHTTPSErrors() method in Puppeteer21Puppeteer | setJavaScriptEnabled() method in Puppeteer22Puppeteer | setOfflineMode() method in Puppeteer23Puppeteer | setUserAgent() method in Puppeteer24Puppeteer | setViewport() method in Puppeteer25Puppeteer | setBypassCSP() method in Puppeteer26Puppeteer | setCacheEnabled() method in Puppeteer27Puppeteer | setGeolocation() method in Puppeteer28Puppeteer | setIgnoreHTTPSErrors() method in Puppeteer29Puppeteer | setJavaScriptEnabled() method in Puppeteer30Puppeteer | setOfflineMode() method in Puppeteer31Puppeteer | setUserAgent() method in Puppeteer32Puppeteer | setViewport() method in Puppeteer33Puppeteer | setBypassCSP() method in Puppeteer34Puppeteer | setCacheEnabled() method in Puppeteer35Puppeteer | setGeolocation() method in Puppeteer36Puppeteer | setIgnoreHTTPSErrors() method in Puppeteer37Puppeteer | setJavaScriptEnabled() method in Puppeteer38Puppeteer | setOfflineMode() method in Puppeteer39Puppeteer | setUserAgent() method in Puppeteer40Puppeteer | setViewport()

Using AI Code Generation

1var puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch();4  const page = await browser.newPage();5  const screenshot = await page.screenshot({ fullPage: true });6  const mimeType = await page.screenshot({ type: 'jpeg' });7  console.log(mimeType);8  await browser.close();9})();10Recommended Posts: Puppeteer | getMetrics() method11Puppeteer | getBoundingBox() method12Puppeteer | getLayoutMetrics() method13Puppeteer | getKeyboard() method14Puppeteer | getMouse() method15Puppeteer | getTouchscreen() method16Puppeteer | getAccessibilityTree() method

Using AI Code Generation

1(async () => {2const browser = await puppeteer.launch({headless: false});3const page = await browser.newPage();4await page.setViewport({width: 1200, height: 720});5await page.screenshot({path: 'example.png'});6await browser.close();7})();8(async () => {9const browser = await puppeteer.launch({headless: false});10const page = await browser.newPage();11await page.setViewport({width: 1200, height: 720});12await page.screenshot({path: 'example.png'});13await browser.close();14})();15(async () => {16const browser = await puppeteer.launch({headless: false});17const page = await browser.newPage();18await page.setViewport({width: 1200, height: 720});19await page.screenshot({path: 'example.png'});20await browser.close();21})();22(async () => {23const browser = await puppeteer.launch({headless: false});24const page = await browser.newPage();25await page.setViewport({width: 1200, height: 720});26await page.screenshot({path: 'example.png'});27await browser.close();28})();29(async () => {30const browser = await puppeteer.launch({headless: false});31const page = await browser.newPage();32await page.setViewport({width: 1200, height: 720});33await page.screenshot({path: 'example.png'});34await browser.close();35})();36(async () => {37const browser = await puppeteer.launch({headless: false});38const page = await browser.newPage();39await page.setViewport({width: 1200, height: 720});40await page.screenshot({path: 'example.png'});41await browser.close();42})();

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