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333
node_modules/playwright-core/lib/server/screenshotter.js
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333
node_modules/playwright-core/lib/server/screenshotter.js
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"use strict";
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var __defProp = Object.defineProperty;
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var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
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var __getOwnPropNames = Object.getOwnPropertyNames;
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var __hasOwnProp = Object.prototype.hasOwnProperty;
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var __export = (target, all) => {
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for (var name in all)
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__defProp(target, name, { get: all[name], enumerable: true });
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};
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var __copyProps = (to, from, except, desc) => {
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if (from && typeof from === "object" || typeof from === "function") {
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for (let key of __getOwnPropNames(from))
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if (!__hasOwnProp.call(to, key) && key !== except)
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__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
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}
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return to;
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};
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var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
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var screenshotter_exports = {};
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__export(screenshotter_exports, {
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Screenshotter: () => Screenshotter,
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validateScreenshotOptions: () => validateScreenshotOptions
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});
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module.exports = __toCommonJS(screenshotter_exports);
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var import_helper = require("./helper");
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var import_utils = require("../utils");
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var import_multimap = require("../utils/isomorphic/multimap");
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function inPagePrepareForScreenshots(screenshotStyle, hideCaret, disableAnimations, syncAnimations) {
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if (syncAnimations) {
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const style = document.createElement("style");
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style.textContent = "body {}";
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document.head.appendChild(style);
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document.documentElement.getBoundingClientRect();
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style.remove();
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}
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if (!screenshotStyle && !hideCaret && !disableAnimations)
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return;
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const collectRoots = (root, roots2 = []) => {
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roots2.push(root);
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const walker = document.createTreeWalker(root, NodeFilter.SHOW_ELEMENT);
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do {
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const node = walker.currentNode;
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const shadowRoot = node instanceof Element ? node.shadowRoot : null;
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if (shadowRoot)
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collectRoots(shadowRoot, roots2);
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} while (walker.nextNode());
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return roots2;
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};
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const roots = collectRoots(document);
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const cleanupCallbacks = [];
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if (screenshotStyle) {
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for (const root of roots) {
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const styleTag = document.createElement("style");
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styleTag.textContent = screenshotStyle;
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if (root === document)
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document.documentElement.append(styleTag);
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else
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root.append(styleTag);
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cleanupCallbacks.push(() => {
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styleTag.remove();
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});
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}
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}
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if (hideCaret) {
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const elements = /* @__PURE__ */ new Map();
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for (const root of roots) {
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root.querySelectorAll("input,textarea,[contenteditable]").forEach((element) => {
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elements.set(element, {
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value: element.style.getPropertyValue("caret-color"),
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priority: element.style.getPropertyPriority("caret-color")
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});
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element.style.setProperty("caret-color", "transparent", "important");
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});
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}
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cleanupCallbacks.push(() => {
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for (const [element, value] of elements)
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element.style.setProperty("caret-color", value.value, value.priority);
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});
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}
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if (disableAnimations) {
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const infiniteAnimationsToResume = /* @__PURE__ */ new Set();
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const handleAnimations = (root) => {
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for (const animation of root.getAnimations()) {
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if (!animation.effect || animation.playbackRate === 0 || infiniteAnimationsToResume.has(animation))
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continue;
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const endTime = animation.effect.getComputedTiming().endTime;
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if (Number.isFinite(endTime)) {
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try {
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animation.finish();
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} catch (e) {
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}
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} else {
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try {
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animation.cancel();
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infiniteAnimationsToResume.add(animation);
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} catch (e) {
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}
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}
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}
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};
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for (const root of roots) {
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const handleRootAnimations = handleAnimations.bind(null, root);
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handleRootAnimations();
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root.addEventListener("transitionrun", handleRootAnimations);
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root.addEventListener("animationstart", handleRootAnimations);
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cleanupCallbacks.push(() => {
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root.removeEventListener("transitionrun", handleRootAnimations);
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root.removeEventListener("animationstart", handleRootAnimations);
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});
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}
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cleanupCallbacks.push(() => {
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for (const animation of infiniteAnimationsToResume) {
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try {
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animation.play();
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} catch (e) {
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}
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}
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});
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}
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window.__pwCleanupScreenshot = () => {
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for (const cleanupCallback of cleanupCallbacks)
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cleanupCallback();
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delete window.__pwCleanupScreenshot;
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};
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}
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class Screenshotter {
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constructor(page) {
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this._queue = new TaskQueue();
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this._page = page;
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this._queue = new TaskQueue();
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}
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async _originalViewportSize(progress) {
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let viewportSize = this._page.emulatedSize()?.viewport;
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if (!viewportSize)
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viewportSize = await this._page.mainFrame().waitForFunctionValueInUtility(progress, () => ({ width: window.innerWidth, height: window.innerHeight }));
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return viewportSize;
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}
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async _fullPageSize(progress) {
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const fullPageSize = await this._page.mainFrame().waitForFunctionValueInUtility(progress, () => {
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if (!document.body || !document.documentElement)
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return null;
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return {
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width: Math.max(
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document.body.scrollWidth,
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document.documentElement.scrollWidth,
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document.body.offsetWidth,
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document.documentElement.offsetWidth,
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document.body.clientWidth,
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document.documentElement.clientWidth
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),
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height: Math.max(
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document.body.scrollHeight,
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document.documentElement.scrollHeight,
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document.body.offsetHeight,
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document.documentElement.offsetHeight,
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document.body.clientHeight,
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document.documentElement.clientHeight
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)
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};
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});
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return fullPageSize;
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}
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async screenshotPage(progress, options) {
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const format = validateScreenshotOptions(options);
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return this._queue.postTask(async () => {
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progress.log("taking page screenshot");
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const viewportSize = await this._originalViewportSize(progress);
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await this._preparePageForScreenshot(progress, this._page.mainFrame(), options.style, options.caret !== "initial", options.animations === "disabled");
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try {
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if (options.fullPage) {
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const fullPageSize = await this._fullPageSize(progress);
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let documentRect = { x: 0, y: 0, width: fullPageSize.width, height: fullPageSize.height };
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const fitsViewport = fullPageSize.width <= viewportSize.width && fullPageSize.height <= viewportSize.height;
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if (options.clip)
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documentRect = trimClipToSize(options.clip, documentRect);
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return await this._screenshot(progress, format, documentRect, void 0, fitsViewport, options);
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}
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const viewportRect = options.clip ? trimClipToSize(options.clip, viewportSize) : { x: 0, y: 0, ...viewportSize };
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return await this._screenshot(progress, format, void 0, viewportRect, true, options);
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} finally {
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await this._restorePageAfterScreenshot();
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}
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});
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}
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async screenshotElement(progress, handle, options) {
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const format = validateScreenshotOptions(options);
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return this._queue.postTask(async () => {
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progress.log("taking element screenshot");
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const viewportSize = await this._originalViewportSize(progress);
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await this._preparePageForScreenshot(progress, handle._frame, options.style, options.caret !== "initial", options.animations === "disabled");
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try {
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await handle._waitAndScrollIntoViewIfNeeded(
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progress,
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true
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/* waitForVisible */
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);
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const boundingBox = await progress.race(handle.boundingBox());
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(0, import_utils.assert)(boundingBox, "Node is either not visible or not an HTMLElement");
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(0, import_utils.assert)(boundingBox.width !== 0, "Node has 0 width.");
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(0, import_utils.assert)(boundingBox.height !== 0, "Node has 0 height.");
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const fitsViewport = boundingBox.width <= viewportSize.width && boundingBox.height <= viewportSize.height;
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const scrollOffset = await this._page.mainFrame().waitForFunctionValueInUtility(progress, () => ({ x: window.scrollX, y: window.scrollY }));
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const documentRect = { ...boundingBox };
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documentRect.x += scrollOffset.x;
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documentRect.y += scrollOffset.y;
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return await this._screenshot(progress, format, import_helper.helper.enclosingIntRect(documentRect), void 0, fitsViewport, options);
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} finally {
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await this._restorePageAfterScreenshot();
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}
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});
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}
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async _preparePageForScreenshot(progress, frame, screenshotStyle, hideCaret, disableAnimations) {
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if (disableAnimations)
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progress.log(" disabled all CSS animations");
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const syncAnimations = this._page.delegate.shouldToggleStyleSheetToSyncAnimations();
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await progress.race(this._page.safeNonStallingEvaluateInAllFrames("(" + inPagePrepareForScreenshots.toString() + `)(${JSON.stringify(screenshotStyle)}, ${hideCaret}, ${disableAnimations}, ${syncAnimations})`, "utility"));
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try {
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if (!process.env.PW_TEST_SCREENSHOT_NO_FONTS_READY) {
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progress.log("waiting for fonts to load...");
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await progress.race(frame.nonStallingEvaluateInExistingContext("document.fonts.ready", "utility").catch(() => {
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}));
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progress.log("fonts loaded");
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}
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} catch (error) {
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await this._restorePageAfterScreenshot();
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throw error;
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}
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}
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async _restorePageAfterScreenshot() {
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await this._page.safeNonStallingEvaluateInAllFrames("window.__pwCleanupScreenshot && window.__pwCleanupScreenshot()", "utility");
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}
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async _maskElements(progress, options) {
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if (!options.mask || !options.mask.length)
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return () => Promise.resolve();
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const framesToParsedSelectors = new import_multimap.MultiMap();
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await progress.race(Promise.all((options.mask || []).map(async ({ frame, selector }) => {
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const pair = await frame.selectors.resolveFrameForSelector(selector);
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if (pair)
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framesToParsedSelectors.set(pair.frame, pair.info.parsed);
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})));
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const frames = [...framesToParsedSelectors.keys()];
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const cleanup = async () => {
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await Promise.all(frames.map((frame) => frame.hideHighlight()));
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};
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try {
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const promises = frames.map((frame) => frame.maskSelectors(framesToParsedSelectors.get(frame), options.maskColor || "#F0F"));
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await progress.race(Promise.all(promises));
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return cleanup;
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} catch (error) {
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cleanup().catch(() => {
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});
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throw error;
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}
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}
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async _screenshot(progress, format, documentRect, viewportRect, fitsViewport, options) {
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if (options.__testHookBeforeScreenshot)
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await progress.race(options.__testHookBeforeScreenshot());
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const shouldSetDefaultBackground = options.omitBackground && format === "png";
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if (shouldSetDefaultBackground)
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await progress.race(this._page.delegate.setBackgroundColor({ r: 0, g: 0, b: 0, a: 0 }));
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const cleanupHighlight = await this._maskElements(progress, options);
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try {
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const quality = format === "jpeg" ? options.quality ?? 80 : void 0;
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const buffer = await this._page.delegate.takeScreenshot(progress, format, documentRect, viewportRect, quality, fitsViewport, options.scale || "device");
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await cleanupHighlight();
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if (shouldSetDefaultBackground)
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await this._page.delegate.setBackgroundColor();
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if (options.__testHookAfterScreenshot)
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await progress.race(options.__testHookAfterScreenshot());
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return buffer;
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} catch (error) {
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cleanupHighlight().catch(() => {
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});
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if (shouldSetDefaultBackground)
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this._page.delegate.setBackgroundColor().catch(() => {
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});
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throw error;
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}
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}
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}
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class TaskQueue {
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constructor() {
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this._chain = Promise.resolve();
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}
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postTask(task) {
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const result = this._chain.then(task);
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this._chain = result.catch(() => {
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});
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return result;
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}
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}
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function trimClipToSize(clip, size) {
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const p1 = {
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x: Math.max(0, Math.min(clip.x, size.width)),
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y: Math.max(0, Math.min(clip.y, size.height))
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};
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const p2 = {
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x: Math.max(0, Math.min(clip.x + clip.width, size.width)),
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y: Math.max(0, Math.min(clip.y + clip.height, size.height))
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};
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const result = { x: p1.x, y: p1.y, width: p2.x - p1.x, height: p2.y - p1.y };
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(0, import_utils.assert)(result.width && result.height, "Clipped area is either empty or outside the resulting image");
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return result;
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}
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function validateScreenshotOptions(options) {
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let format = null;
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if (options.type) {
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(0, import_utils.assert)(options.type === "png" || options.type === "jpeg", "Unknown options.type value: " + options.type);
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format = options.type;
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}
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if (!format)
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format = "png";
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if (options.quality !== void 0) {
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(0, import_utils.assert)(format === "jpeg", "options.quality is unsupported for the " + format + " screenshots");
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(0, import_utils.assert)(typeof options.quality === "number", "Expected options.quality to be a number but found " + typeof options.quality);
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(0, import_utils.assert)(Number.isInteger(options.quality), "Expected options.quality to be an integer");
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(0, import_utils.assert)(options.quality >= 0 && options.quality <= 100, "Expected options.quality to be between 0 and 100 (inclusive), got " + options.quality);
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}
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if (options.clip) {
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(0, import_utils.assert)(typeof options.clip.x === "number", "Expected options.clip.x to be a number but found " + typeof options.clip.x);
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(0, import_utils.assert)(typeof options.clip.y === "number", "Expected options.clip.y to be a number but found " + typeof options.clip.y);
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(0, import_utils.assert)(typeof options.clip.width === "number", "Expected options.clip.width to be a number but found " + typeof options.clip.width);
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(0, import_utils.assert)(typeof options.clip.height === "number", "Expected options.clip.height to be a number but found " + typeof options.clip.height);
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(0, import_utils.assert)(options.clip.width !== 0, "Expected options.clip.width not to be 0.");
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(0, import_utils.assert)(options.clip.height !== 0, "Expected options.clip.height not to be 0.");
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}
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return format;
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}
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// Annotate the CommonJS export names for ESM import in node:
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0 && (module.exports = {
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Screenshotter,
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validateScreenshotOptions
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});
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Block a user