Edit file File name : screenshot.js Content :/*! elementor-pro - v3.22.0 - 16-06-2024 */ /******/ (() => { // webpackBootstrap /******/ "use strict"; var __webpack_exports__ = {}; /*!**************************************************************!*\ !*** ../modules/screenshots/assets/js/preview/screenshot.js ***! \**************************************************************/ /* global ElementorScreenshotConfig */ class Screenshot extends elementorModules.ViewModule { getDefaultSettings() { return { empty_content_headline: 'Empty Content.', crop: { width: 1200, height: 1500 }, excluded_external_css_urls: ['https://kit-pro.fontawesome.com'], external_images_urls: ['https://i.ytimg.com' // Youtube images domain. ], timeout: 15000, // Wait until screenshot taken or fail in 15 secs. render_timeout: 5000, // Wait until all the element will be loaded or 5 sec and then take screenshot. timerLabel: null, timer_label: `${ElementorScreenshotConfig.post_id} - timer`, image_placeholder: 'data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=', isDebug: elementorCommonConfig.isElementorDebug, isDebugSvg: false, ...ElementorScreenshotConfig }; } getDefaultElements() { const $elementor = jQuery(ElementorScreenshotConfig.selector); const $sections = $elementor.find('.elementor-section-wrap > .elementor-section, .elementor > .elementor-section'); return { $elementor, $sections, $firstSection: $sections.first(), $notElementorElements: elementorCommon.elements.$body.find('> *:not(style, link)').not($elementor), $head: jQuery('head') }; } onInit() { super.onInit(); this.log('Screenshot init', 'time'); /** * Hold the timeout timer * * @type {number|null} */ this.timeoutTimer = setTimeout(this.screenshotFailed.bind(this), this.getSettings('timeout')); return this.captureScreenshot(); } /** * The main method for this class. */ captureScreenshot() { if (!this.elements.$elementor.length) { elementorCommon.helpers.consoleWarn('Screenshots: The content of this page is empty, the module will create a fake conent just for this screenshot.'); this.createFakeContent(); } this.removeUnnecessaryElements(); this.handleIFrames(); this.removeFirstSectionMargin(); this.handleLinks(); this.loadExternalCss(); this.loadExternalImages(); return Promise.resolve().then(this.createImage.bind(this)).then(this.createImageElement.bind(this)).then(this.cropCanvas.bind(this)).then(this.save.bind(this)).then(this.screenshotSucceed.bind(this)).catch(this.screenshotFailed.bind(this)); } /** * Fake content for documents that dont have any content. */ createFakeContent() { this.elements.$elementor = jQuery('<div>').css({ height: this.getSettings('crop.height'), width: this.getSettings('crop.width'), display: 'flex', alignItems: 'center', justifyContent: 'center' }); this.elements.$elementor.append(jQuery('<h1>').css({ fontSize: '85px' }).html(this.getSettings('empty_content_headline'))); document.body.prepend(this.elements.$elementor); } /** * CSS from another server cannot be loaded with the current dom to image library. * this method take all the links from another domain and proxy them. */ loadExternalCss() { const excludedUrls = [this.getSettings('home_url'), ...this.getSettings('excluded_external_css_urls')]; const notSelector = excludedUrls.map(url => `[href^="${url}"]`).join(', '); jQuery('link').not(notSelector).each((index, el) => { const $link = jQuery(el), $newLink = $link.clone(); $newLink.attr('href', this.getScreenshotProxyUrl($link.attr('href'))); this.elements.$head.append($newLink); $link.remove(); }); } /** * Make a proxy to images urls that has some problems with cross origin (like youtube). */ loadExternalImages() { const selector = this.getSettings('external_images_urls').map(url => `img[src^="${url}"]`).join(', '); jQuery(selector).each((index, el) => { const $img = jQuery(el); $img.attr('src', this.getScreenshotProxyUrl($img.attr('src'))); }); } /** * Html to images libraries can not snapshot IFrames * this method convert all the IFrames to some other elements. */ handleIFrames() { this.elements.$elementor.find('iframe').each((index, el) => { const $iframe = jQuery(el), $iframeMask = jQuery('<div />', { css: { background: 'gray', width: $iframe.width(), height: $iframe.height() } }); $iframe.before($iframeMask); $iframe.remove(); }); } /** * Remove all the sections that should not be in the screenshot. */ removeUnnecessaryElements() { let currentHeight = 0; this.elements.$sections.filter((index, el) => { let shouldBeRemoved = false; if (currentHeight >= this.getSettings('crop.height')) { shouldBeRemoved = true; } currentHeight += jQuery(el).outerHeight(); return shouldBeRemoved; }).each((index, el) => { el.remove(); }); // Some 3rd party plugins inject elements into the dom, so this method removes all // the elements that was injected, to make sure that it capture a screenshot only of the post itself. this.elements.$notElementorElements.remove(); } /** * Some urls make some problems to the svg parser. * this method convert all the urls to just '/'. */ handleLinks() { elementorCommon.elements.$body.find('a').attr('href', '/'); } /** * Remove unnecessary margin from the first element of the post (singles and footers). */ removeFirstSectionMargin() { this.elements.$firstSection.css({ marginTop: 0 }); } /** * Creates a png image. * * @return {Promise<unknown>} URI containing image data */ createImage() { const pageLoadedPromise = new Promise(resolve => { window.addEventListener('load', () => { resolve(); }); }); const timeOutPromise = new Promise(resolve => { setTimeout(() => { resolve(); }, this.getSettings('render_timeout')); }); return Promise.race([pageLoadedPromise, timeOutPromise]).then(() => { this.log('Start creating screenshot.'); if (this.getSettings('isDebugSvg')) { domtoimage.toSvg(document.body, { imagePlaceholder: this.getSettings('image_placeholder') }).then(svg => this.download(svg)); return Promise.reject('Debug SVG.'); } // TODO: Extract to util function. const isSafari = /^((?!chrome|android).)*safari/i.test(window.userAgent); // Safari browser has some problems with the images that dom-to-images // library creates, so in this specific case the screenshot uses html2canvas. // Note that dom-to-image creates more accurate screenshot in "not safari" browsers. if (isSafari) { this.log('Creating screenshot with "html2canvas"'); return html2canvas(document.body).then(canvas => { return canvas.toDataURL('image/png'); }); } this.log('Creating screenshot with "dom-to-image"'); return domtoimage.toPng(document.body, { imagePlaceholder: this.getSettings('image_placeholder') }); }); } /** * Download a uri, use for debugging the svg that created from dom to image libraries. * * @param {string} uri */ download(uri) { const $link = jQuery('<a/>', { href: uri, download: 'debugSvg.svg', html: 'Download SVG' }); elementorCommon.elements.$body.append($link); $link.trigger('click'); } /** * Creates fake image element to get the size of the image later on. * * @param {string} dataUrl * @return {Promise<HTMLImageElement>} Image Element */ createImageElement(dataUrl) { const image = new Image(); image.src = dataUrl; return new Promise(resolve => { image.onload = () => resolve(image); }); } /** * Crop the image to requested sizes. * * @param {HTMLImageElement} image * @return {Promise<unknown>} Canvas */ cropCanvas(image) { const width = this.getSettings('crop.width'); const height = this.getSettings('crop.height'); const cropCanvas = document.createElement('canvas'), cropContext = cropCanvas.getContext('2d'), ratio = width / image.width; cropCanvas.width = width; cropCanvas.height = height > image.height ? image.height : height; cropContext.drawImage(image, 0, 0, image.width, image.height, 0, 0, image.width * ratio, image.height * ratio); return Promise.resolve(cropCanvas); } /** * Send the image to the server. * * @param {HTMLCanvasElement} canvas * @return {Promise<unknown>} Screenshot URL */ save(canvas) { return new Promise((resolve, reject) => { elementorCommon.ajax.addRequest('screenshot_save', { data: { post_id: this.getSettings('post_id'), screenshot: canvas.toDataURL('image/png') }, success: url => { this.log(`Screenshot created: ${encodeURI(url)}`); resolve(url); }, error: () => { this.log('Failed to create screenshot.'); reject(); } }); }); } /** * Mark this post screenshot as failed. */ markAsFailed() { return new Promise((resolve, reject) => { elementorCommon.ajax.addRequest('screenshot_failed', { data: { post_id: this.getSettings('post_id') }, success: () => { this.log(`Marked as failed.`); resolve(); }, error: () => { this.log('Failed to mark this screenshot as failed.'); reject(); } }); }); } /** * @param {string} url * @return {string} Screenshot Proxy URL */ getScreenshotProxyUrl(url) { return `${this.getSettings('home_url')}?screenshot_proxy&nonce=${this.getSettings('nonce')}&href=${url}`; } /** * Notify that the screenshot has been succeed. * * @param {string} imageUrl */ screenshotSucceed(imageUrl) { this.screenshotDone(true, imageUrl); } /** * Notify that the screenshot has been failed. * * @param {Error} e */ screenshotFailed(e) { this.log(e, null); this.markAsFailed().then(() => this.screenshotDone(false)); } /** * Final method of the screenshot. * * @param {boolean} success * @param {string} imageUrl */ screenshotDone(success, imageUrl = null) { clearTimeout(this.timeoutTimer); this.timeoutTimer = null; // Send the message to the parent window and not to the top. // e.g: The `Theme builder` is loaded into an iFrame so the message of the screenshot // should be sent to the `Theme builder` window and not to the top window. window.parent.postMessage({ name: 'capture-screenshot-done', success, id: this.getSettings('post_id'), imageUrl }, '*'); this.log(`Screenshot ${success ? 'Succeed' : 'Failed'}.`, 'timeEnd'); } /** * Log messages for debugging. * * @param {any} message * @param {string?} timerMethod */ log(message, timerMethod = 'timeLog') { if (!this.getSettings('isDebug')) { return; } // eslint-disable-next-line no-console console.log('string' === typeof message ? `${this.getSettings('post_id')} - ${message}` : message); if (timerMethod) { // eslint-disable-next-line no-console console[timerMethod](this.getSettings('timer_label')); } } } jQuery(() => { new Screenshot(); }); /******/ })() ; //# sourceMappingURL=screenshot.js.map Save