☰

Twitter Click'n'Save

Add buttons to download images and videos in Twitter, also does some other enhancements.

当前为 2024-05-29 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name        Twitter Click'n'Save
  3. // @version     1.10.2-2024.05.29
  4. // @namespace   gh.alttiri
  5. // @description Add buttons to download images and videos in Twitter, also does some other enhancements.
  6. // @match       https://twitter.com/*
  7. // @match       https://x.com/*
  8. // @homepageURL https://github.com/AlttiRi/twitter-click-and-save
  9. // @supportURL  https://github.com/AlttiRi/twitter-click-and-save/issues
  10. // @license     GPL-3.0
  11. // @grant       GM_registerMenuCommand
  12. // ==/UserScript==
  13. // ---------------------------------------------------------------------------------------------------------------------
  14. // ---------------------------------------------------------------------------------------------------------------------
  15.  
  16.  
  17.  
  18. // Please, report bugs and suggestions on GitHub, not Greasyfork.
  19. // --> https://github.com/AlttiRi/twitter-click-and-save/issues <--
  20.  
  21.  
  22.  
  23. // ---------------------------------------------------------------------------------------------------------------------
  24. const sitename = location.hostname.replace(".com", ""); // "twitter" | "x"
  25. // ---------------------------------------------------------------------------------------------------------------------
  26. // --- "Imports" --- //
  27. const {StorageNames, StorageNamesOld} = getStorageNames();
  28.  
  29. const {verbose, debugPopup} = getDebugSettings(); // --- For debug --- //
  30.  
  31.  
  32. const {
  33.     sleep, fetchResource, downloadBlob,
  34.     addCSS,
  35.     getCookie,
  36.     throttle,
  37.     xpath, xpathAll,
  38.     responseProgressProxy,
  39.     dateToDayDateString,
  40.     toLineJSON,
  41.     isFirefox,
  42.     getBrowserName,
  43.     removeSearchParams,
  44. } = getUtils({verbose});
  45.  
  46. const LS = hoistLS({verbose});
  47.  
  48. const API = hoistAPI();
  49. const Tweet = hoistTweet();
  50. const Features = hoistFeatures();
  51. const I18N = getLanguageConstants();
  52.  
  53. // ---------------------------------------------------------------------------------------------------------------------
  54.  
  55. function getStorageNames() {
  56.     // New LocalStorage key names 2023.07.05
  57.     const StorageNames = {
  58.         settings:                "ujs-twitter-click-n-save-settings",
  59.         settingsImageHistoryBy:  "ujs-twitter-click-n-save-settings-image-history-by",
  60.         downloadedImageNames:    "ujs-twitter-click-n-save-downloaded-image-names",
  61.         downloadedImageTweetIds: "ujs-twitter-click-n-save-downloaded-image-tweet-ids",
  62.         downloadedVideoTweetIds: "ujs-twitter-click-n-save-downloaded-video-tweet-ids",
  63.  
  64.         migrated:                "ujs-twitter-click-n-save-migrated",     // Currently unused
  65.         browserName:             "ujs-twitter-click-n-save-browser-name", // Hidden settings
  66.         verbose:                 "ujs-twitter-click-n-save-verbose",      // Hidden settings for debug
  67.         debugPopup:              "ujs-twitter-click-n-save-debug-popup",  // Hidden settings for debug
  68.     };
  69.     const StorageNamesOld = {
  70.         settings:                "ujs-click-n-save-settings",
  71.         settingsImageHistoryBy:  "ujs-images-history-by",
  72.         downloadedImageNames:    "ujs-twitter-downloaded-images-names",
  73.         downloadedImageTweetIds: "ujs-twitter-downloaded-image-tweet-ids",
  74.         downloadedVideoTweetIds: "ujs-twitter-downloaded-video-tweet-ids",
  75.     };
  76.     return {StorageNames, StorageNamesOld};
  77. }
  78.  
  79. function getDebugSettings() {
  80.     let verbose    = false;
  81.     let debugPopup = false;
  82.     try {
  83.         verbose    = Boolean(JSON.parse(localStorage.getItem(StorageNames.verbose)));
  84.     } catch (err) {}
  85.     try {
  86.         debugPopup = Boolean(JSON.parse(localStorage.getItem(StorageNames.debugPopup)));
  87.     } catch (err) {}
  88.  
  89.     return {verbose, debugPopup};
  90. }
  91.  
  92. const historyHelper = getHistoryHelper();
  93. historyHelper.migrateLocalStore();
  94.  
  95. // ---------------------------------------------------------------------------------------------------------------------
  96.  
  97.  
  98. // ---------------------------------------------------------------------------------------------------------------------
  99.  
  100. if (globalThis.GM_registerMenuCommand /* undefined in Firefox with VM */ || typeof GM_registerMenuCommand === "function") {
  101.     GM_registerMenuCommand("Show settings", showSettings);
  102. }
  103.  
  104. const settings = loadSettings();
  105.  
  106. if (verbose) {
  107.     console.log("[ujs][settings]", settings);
  108. }
  109. if (debugPopup) {
  110.     showSettings();
  111. }
  112.  
  113. // ---------------------------------------------------------------------------------------------------------------------
  114.  
  115. const fetch = ujs_getGlobalFetch({verbose, strictTrackingProtectionFix: settings.strictTrackingProtectionFix});
  116.  
  117. function ujs_getGlobalFetch({verbose, strictTrackingProtectionFix} = {}) {
  118.     const useFirefoxStrictTrackingProtectionFix = strictTrackingProtectionFix === undefined ? true : strictTrackingProtectionFix; // Let's use by default
  119.     const useFirefoxFix = useFirefoxStrictTrackingProtectionFix && typeof wrappedJSObject === "object" && typeof wrappedJSObject.fetch === "function";
  120.     // --- [VM/GM + Firefox ~90+ + Enabled "Strict Tracking Protection"] fix --- //
  121.     function fixedFirefoxFetch(resource, init = {}) {
  122.         verbose && console.log("[ujs][wrappedJSObject.fetch]", resource, init);
  123.         if (init.headers instanceof Headers) {
  124.             // Since `Headers` are not allowed for structured cloning.
  125.             init.headers = Object.fromEntries(init.headers.entries());
  126.         }
  127.         return wrappedJSObject.fetch(cloneInto(resource, document), cloneInto(init, document));
  128.     }
  129.     return useFirefoxFix ? fixedFirefoxFetch : globalThis.fetch;
  130. }
  131.  
  132. // ---------------------------------------------------------------------------------------------------------------------
  133. // --- Features to execute --- //
  134.  
  135. const doNotPlayVideosAutomatically = false; // Hidden settings
  136.  
  137. function execFeaturesOnce() {
  138.     settings.goFromMobileToMainSite         && Features.goFromMobileToMainSite();
  139.     settings.addRequiredCSS                 && Features.addRequiredCSS();
  140.     settings.hideSignUpBottomBarAndMessages && Features.hideSignUpBottomBarAndMessages(doNotPlayVideosAutomatically);
  141.     settings.hideTrends                     && Features.hideTrends();
  142.     settings.highlightVisitedLinks          && Features.highlightVisitedLinks();
  143.     settings.hideLoginPopup                 && Features.hideLoginPopup();
  144. }
  145. function execFeaturesImmediately() {
  146.     settings.expandSpoilers     && Features.expandSpoilers();
  147. }
  148. function execFeatures() {
  149.     settings.imagesHandler      && Features.imagesHandler();
  150.     settings.videoHandler       && Features.videoHandler();
  151.     settings.expandSpoilers     && Features.expandSpoilers();
  152.     settings.hideSignUpSection  && Features.hideSignUpSection();
  153.     settings.directLinks        && Features.directLinks();
  154.     settings.handleTitle        && Features.handleTitle();
  155. }
  156.  
  157. // ---------------------------------------------------------------------------------------------------------------------
  158.  
  159. // ---------------------------------------------------------------------------------------------------------------------
  160. // --- Script runner --- //
  161.  
  162. (function starter(feats) {
  163.     const {once, onChangeImmediate, onChange} = feats;
  164.  
  165.     once();
  166.     onChangeImmediate();
  167.     const onChangeThrottled = throttle(onChange, 250);
  168.     onChangeThrottled();
  169.  
  170.     const targetNode = document.querySelector("body");
  171.     const observerOptions = {
  172.         subtree: true,
  173.         childList: true,
  174.     };
  175.     const observer = new MutationObserver(callback);
  176.     observer.observe(targetNode, observerOptions);
  177.  
  178.     function callback(mutationList, _observer) {
  179.         verbose && console.log("[ujs][mutationList]", mutationList);
  180.         onChangeImmediate();
  181.         onChangeThrottled();
  182.     }
  183. })({
  184.     once: execFeaturesOnce,
  185.     onChangeImmediate: execFeaturesImmediately,
  186.     onChange: execFeatures
  187. });
  188.  
  189. // ---------------------------------------------------------------------------------------------------------------------
  190. // ---------------------------------------------------------------------------------------------------------------------
  191.  
  192. function loadSettings() {
  193.     const defaultSettings = {
  194.         hideTrends: true,
  195.         hideSignUpSection: false,
  196.         hideSignUpBottomBarAndMessages: false,
  197.         doNotPlayVideosAutomatically: false,
  198.         goFromMobileToMainSite: false,
  199.  
  200.         highlightVisitedLinks: true,
  201.         highlightOnlySpecialVisitedLinks: true,
  202.         expandSpoilers: true,
  203.  
  204.         directLinks: true,
  205.         handleTitle: true,
  206.  
  207.         imagesHandler: true,
  208.         videoHandler: true,
  209.         addRequiredCSS: true,
  210.  
  211.         hideLoginPopup: false,
  212.         addBorder: false,
  213.  
  214.         downloadProgress: true,
  215.         strictTrackingProtectionFix: false,
  216.     };
  217.  
  218.     let savedSettings;
  219.     try {
  220.         savedSettings = JSON.parse(localStorage.getItem(StorageNames.settings)) || {};
  221.     } catch (err) {
  222.         console.error("[ujs][parse-settings]", err);
  223.         localStorage.removeItem(StorageNames.settings);
  224.         savedSettings = {};
  225.     }
  226.     savedSettings = Object.assign(defaultSettings, savedSettings);
  227.     return savedSettings;
  228. }
  229. function showSettings() {
  230.     closeSetting();
  231.     if (window.scrollY > 0) {
  232.         document.querySelector("html").classList.add("ujs-scroll-initial");
  233.         document.body.classList.add("ujs-scrollbar-width-margin-right");
  234.     }
  235.     document.body.classList.add("ujs-no-scroll");
  236.  
  237.     const modalWrapperStyle = `
  238.     color-scheme: light;
  239.     width: 100%;
  240.     height: 100%;
  241.     position: fixed;
  242.     display: flex;
  243.     justify-content: center;
  244.     align-items: center;
  245.     z-index: 99999;
  246.     backdrop-filter: blur(4px);
  247.     background-color: rgba(255, 255, 255, 0.5);
  248.   `;
  249.     const modalSettingsStyle = `
  250.     background-color: white;
  251.     min-width: 320px;
  252.     min-height: 320px;
  253.     border: 1px solid darkgray;
  254.     padding: 8px;
  255.     box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  256.   `;
  257.     const s = settings;
  258.     const downloadProgressFFTitle = `Disable the download progress if you use Firefox with "Enhanced Tracking Protection" set to "Strict" and ViolentMonkey, or GreaseMonkey extension`;
  259.     const strictTrackingProtectionFixFFTitle = `Choose this if you use ViolentMonkey, or GreaseMonkey in Firefox with "Enhanced Tracking Protection" set to "Strict". It is not required in case you use TamperMonkey.`;
  260.     document.body.insertAdjacentHTML("afterbegin", `
  261.   <div class="ujs-modal-wrapper" style="${modalWrapperStyle}">
  262.       <div class="ujs-modal-settings" style="${modalSettingsStyle}">
  263.           <fieldset>
  264.               <legend>Optional</legend>
  265.               <label title="Makes the button more visible"><input type="checkbox" ${s.addBorder ? "checked" : ""} name="addBorder">Add a white border to the download button<br/></label>
  266.               <label title="WARNING: It may broke the login page, but it works fine if you logged in and want to hide 'Messages'"><input type="checkbox" ${s.hideSignUpBottomBarAndMessages ? "checked" : ""} name="hideSignUpBottomBarAndMessages">Hide <strike><b>Sign Up Bar</b> and</strike> <b>Messages</b> (in the bottom). <span title="WARNING: It may broke the login page!">(beta)</span><br/></label>
  267.               <label><input type="checkbox" ${s.hideTrends ? "checked" : ""} name="hideTrends">Hide <b>Trends</b> (in the right column)*<br/></label>
  268.               <label hidden><input type="checkbox" ${s.doNotPlayVideosAutomatically ? "checked" : ""} name="doNotPlayVideosAutomatically">Do <i>Not</i> Play Videos Automatically</b><br/></label>
  269.               <label hidden><input type="checkbox" ${s.goFromMobileToMainSite ? "checked" : ""} name="goFromMobileToMainSite">Redirect from Mobile version (beta)<br/></label>
  270.           </fieldset>
  271.           <fieldset>
  272.               <legend>Recommended</legend>
  273.               <label><input type="checkbox" ${s.highlightVisitedLinks ? "checked" : ""} name="highlightVisitedLinks">Highlight Visited Links<br/></label>
  274.               <label title="In most cases absolute links are 3rd-party links"><input type="checkbox" ${s.highlightOnlySpecialVisitedLinks ? "checked" : ""} name="highlightOnlySpecialVisitedLinks">Highlight Only Absolute Visited Links<br/></label>
  275.  
  276.               <label title="Note: since the recent update the most NSFW spoilers are impossible to expand without an account"><input type="checkbox" ${s.expandSpoilers ? "checked" : ""} name="expandSpoilers">Expand Spoilers (if possible)*<br/></label>
  277.           </fieldset>
  278.           <fieldset>
  279.               <legend>Highly Recommended</legend>
  280.               <label><input type="checkbox" ${s.directLinks ? "checked" : ""} name="directLinks">Direct Links</label><br/>
  281.               <label><input type="checkbox" ${s.handleTitle ? "checked" : ""} name="handleTitle">Enchance Title*<br/></label>
  282.           </fieldset>
  283.           <fieldset ${isFirefox ? '': 'style="display: none"'}>
  284.               <legend>Firefox only</legend>
  285.               <label title='${downloadProgressFFTitle}'><input type="radio" ${s.downloadProgress ? "checked" : ""} name="firefoxDownloadProgress" value="downloadProgress">Download Progress<br/></label>
  286.               <label title='${strictTrackingProtectionFixFFTitle}'><input type="radio" ${s.strictTrackingProtectionFix ? "checked" : ""} name="firefoxDownloadProgress" value="strictTrackingProtectionFix">Strict Tracking Protection Fix<br/></label>
  287.           </fieldset>
  288.           <fieldset>
  289.               <legend>Main</legend>
  290.               <label><input type="checkbox" ${s.imagesHandler ? "checked" : ""} name="imagesHandler">Image Download Button<br/></label>
  291.               <label><input type="checkbox" ${s.videoHandler ? "checked" : ""} name="videoHandler">Video Download Button<br/></label>
  292.               <label hidden><input type="checkbox" ${s.addRequiredCSS ? "checked" : ""} name="addRequiredCSS">Add Required CSS*<br/></label><!-- * Only for the image download button in /photo/1 mode -->
  293.           </fieldset>
  294.           <fieldset>
  295.               <legend title="Outdated due to Twitter's updates, or impossible to reimplement">Outdated</legend>
  296.               <strike>
  297.  
  298.               <label><input type="checkbox" ${s.hideSignUpSection ? "checked" : ""} name="hideSignUpSection">Hide <b title='"New to Twitter?" (If yoy are not logged in)'>Sign Up</b> section (in the right column)*<br/></label>
  299.               <label title="Hides the modal login pop up. Useful if you have no account. \nWARNING: Currently it will close any popup, not only the login one.\nIt's recommended to use only if you do not have an account to hide the annoiyng login popup."><input type="checkbox" ${s.hideLoginPopup ? "checked" : ""} name="hideLoginPopup">Hide <strike>Login</strike> Popups. (beta)<br/></label>
  300.  
  301.               </strike>
  302.           </fieldset>
  303.           <hr>
  304.           <div style="display: flex; justify-content: space-around;">
  305.               <div>
  306.                 History:
  307.                 <button class="ujs-reload-export-button" style="padding: 5px" >Export</button>
  308.                 <button class="ujs-reload-import-button" style="padding: 5px" >Import</button>
  309.                 <button class="ujs-reload-merge-button"  style="padding: 5px" >Merge</button>
  310.               </div>
  311.               <div>
  312.                 <button class="ujs-reload-setting-button" style="padding: 5px" title="Reload the web page to apply changes">Reload page</button>
  313.                 <button class="ujs-close-setting-button" style="padding: 5px" title="Just close this popup.\nNote: You need to reload the web page to apply changes.">Close popup</button>
  314.               </div>
  315.           </div>
  316.           <hr>
  317.           <h4 style="margin: 0; padding-left: 8px; color: #444;">Notes:</h4>
  318.           <ul style="margin: 2px; padding-left: 16px; color: #444;">
  319.             <li><b>Reload the page</b> to apply changes.</li>
  320.             <li><b>*</b>-marked settings are language dependent. Currently, the follow languages are supported:<br/> "en", "ru", "es", "zh", "ja".</li>
  321.             <li hidden>The extension downloads only from twitter.com, not from <b>mobile</b>.twitter.com</li>
  322.           </ul>
  323.       </div>
  324.   </div>`);
  325.  
  326.     async function onDone(button) {
  327.         button.classList.remove("ujs-btn-error");
  328.         button.classList.add("ujs-btn-done");
  329.         await sleep(900);
  330.         button.classList.remove("ujs-btn-done");
  331.     }
  332.     async function onError(button, err) {
  333.         button.classList.remove("ujs-btn-done");
  334.         button.classList.add("ujs-btn-error");
  335.         button.title = err.message;
  336.         await sleep(1800);
  337.         button.classList.remove("ujs-btn-error");
  338.     }
  339.  
  340.     const exportButton = document.querySelector("body > .ujs-modal-wrapper .ujs-reload-export-button");
  341.     const importButton = document.querySelector("body > .ujs-modal-wrapper .ujs-reload-import-button");
  342.     const mergeButton  = document.querySelector("body > .ujs-modal-wrapper .ujs-reload-merge-button");
  343.  
  344.     exportButton.addEventListener("click", (event) => {
  345.         const button = event.currentTarget;
  346.         historyHelper.exportHistory(() => onDone(button));
  347.     });
  348.     sleep(50).then(() => {
  349.         const infoObj = getStoreInfo();
  350.         exportButton.title = Object.entries(infoObj).reduce((acc, [key, value]) => {
  351.             acc += `${key}: ${value}\n`;
  352.             return acc;
  353.         }, "");
  354.     });
  355.  
  356.     importButton.addEventListener("click", (event) => {
  357.         const button = event.currentTarget;
  358.         historyHelper.importHistory(
  359.             () => onDone(button),
  360.             (err) => onError(button, err)
  361.         );
  362.     });
  363.     mergeButton.addEventListener("click", (event) => {
  364.         const button = event.currentTarget;
  365.         historyHelper.mergeHistory(
  366.             () => onDone(button),
  367.             (err) => onError(button, err)
  368.         );
  369.     });
  370.  
  371.     document.querySelector("body > .ujs-modal-wrapper .ujs-reload-setting-button").addEventListener("click", () => {
  372.         location.reload();
  373.     });
  374.  
  375.     const checkboxList = document.querySelectorAll("body > .ujs-modal-wrapper input[type=checkbox], body > .ujs-modal-wrapper input[type=radio]");
  376.     checkboxList.forEach(checkbox => {
  377.         checkbox.addEventListener("change", saveSetting);
  378.     });
  379.  
  380.     document.querySelector("body > .ujs-modal-wrapper .ujs-close-setting-button").addEventListener("click", closeSetting);
  381.  
  382.     function saveSetting() {
  383.         const entries = [...document.querySelectorAll("body > .ujs-modal-wrapper input[type=checkbox]")]
  384.             .map(checkbox => [checkbox.name, checkbox.checked]);
  385.         const radioEntries = [...document.querySelectorAll("body > .ujs-modal-wrapper input[type=radio]")]
  386.             .map(checkbox => [checkbox.value, checkbox.checked])
  387.         const settings = Object.fromEntries([entries, radioEntries].flat());
  388.         // verbose && console.log("[ujs][save-settings]", settings);
  389.         localStorage.setItem(StorageNames.settings, JSON.stringify(settings));
  390.     }
  391.  
  392.     function closeSetting() {
  393.         document.body.classList.remove("ujs-no-scroll");
  394.         document.body.classList.remove("ujs-scrollbar-width-margin-right");
  395.         document.querySelector("html").classList.remove("ujs-scroll-initial");
  396.         document.querySelector("body > .ujs-modal-wrapper")?.remove();
  397.     }
  398.  
  399.  
  400. }
  401.  
  402. // ---------------------------------------------------------------------------------------------------------------------
  403. // ---------------------------------------------------------------------------------------------------------------------
  404. // --- Twitter Specific code --- //
  405.  
  406. const downloadedImages        = new LS(StorageNames.downloadedImageNames);
  407. const downloadedImageTweetIds = new LS(StorageNames.downloadedImageTweetIds);
  408. const downloadedVideoTweetIds = new LS(StorageNames.downloadedVideoTweetIds);
  409.  
  410. // --- That to use for the image history --- //
  411. /** @type {"TWEET_ID" | "IMAGE_NAME"} */
  412. const imagesHistoryBy = LS.getItem(StorageNames.settingsImageHistoryBy, "IMAGE_NAME"); // Hidden settings
  413. // With "TWEET_ID" downloading of 1 image of 4 will mark all 4 images as "already downloaded"
  414. // on the next time when the tweet will appear.
  415. // "IMAGE_NAME" will count each image of a tweet, but it will take more data to store.
  416.  
  417.  
  418. // ---------------------------------------------------------------------------------------------------------------------
  419. // --- Twitter.Features --- //
  420. function hoistFeatures() {
  421.     class Features {
  422.         static createButton({url, downloaded, isVideo, isThumb, isMultiMedia}) {
  423.             const btn = document.createElement("div");
  424.             btn.innerHTML = `
  425. <div class="ujs-btn-common ujs-btn-background"></div>
  426. <div class="ujs-btn-common ujs-hover"></div>
  427. <div class="ujs-btn-common ujs-shadow"></div>
  428. <div class="ujs-btn-common ujs-progress" style="--progress: 0%"></div>
  429. <div class="ujs-btn-common ujs-btn-error-text"></div>`.slice(1);
  430.             btn.classList.add("ujs-btn-download");
  431.             if (!downloaded) {
  432.                 btn.classList.add("ujs-not-downloaded");
  433.             } else {
  434.                 btn.classList.add("ujs-already-downloaded");
  435.             }
  436.             if (isVideo) {
  437.                 btn.classList.add("ujs-video");
  438.             }
  439.             if (url) {
  440.                 btn.dataset.url = url;
  441.             }
  442.             if (isThumb) {
  443.                 btn.dataset.thumb = "true";
  444.             }
  445.             if (isMultiMedia) {
  446.                 btn.dataset.isMultiMedia = "true";
  447.             }
  448.             return btn;
  449.         }
  450.  
  451.         static _markButtonAsDownloaded(btn) {
  452.             btn.classList.remove("ujs-downloading");
  453.             btn.classList.remove("ujs-recently-downloaded");
  454.             btn.classList.add("ujs-downloaded");
  455.             btn.addEventListener("pointerenter", e => {
  456.                 btn.classList.add("ujs-recently-downloaded");
  457.             }, {once: true});
  458.         }
  459.  
  460.         // Banner/Background
  461.         static async _downloadBanner(url, btn) {
  462.             const username = location.pathname.slice(1).split("/")[0];
  463.  
  464.             btn.classList.add("ujs-downloading");
  465.  
  466.             // https://pbs.twimg.com/profile_banners/34743251/1596331248/1500x500
  467.             const {
  468.                 id, seconds, res
  469.             } = url.match(/(?<=\/profile_banners\/)(?<id>\d+)\/(?<seconds>\d+)\/(?<res>\d+x\d+)/)?.groups || {};
  470.  
  471.             const {blob, lastModifiedDate, extension, name} = await fetchResource(url);
  472.  
  473.             Features.verifyBlob(blob, url, btn);
  474.  
  475.             const filename = `[twitter][bg] ${username}—${lastModifiedDate}—${id}—${seconds}.${extension}`;
  476.             downloadBlob(blob, filename, url);
  477.  
  478.             Features._markButtonAsDownloaded(btn);
  479.         }
  480.  
  481.         static _ImageHistory = class {
  482.             static getImageNameFromUrl(url) {
  483.                 const _url = new URL(url);
  484.                 const {filename} = (_url.origin + _url.pathname).match(/(?<filename>[^\/]+$)/).groups;
  485.                 return filename.match(/^[^.]+/)[0]; // remove extension
  486.             }
  487.             static isDownloaded({id, url}) {
  488.                 if (imagesHistoryBy === "TWEET_ID") {
  489.                     return downloadedImageTweetIds.hasItem(id);
  490.                 } else if (imagesHistoryBy === "IMAGE_NAME") {
  491.                     const name = Features._ImageHistory.getImageNameFromUrl(url);
  492.                     return downloadedImages.hasItem(name);
  493.                 }
  494.             }
  495.             static async markDownloaded({id, url}) {
  496.                 if (imagesHistoryBy === "TWEET_ID") {
  497.                     await downloadedImageTweetIds.pushItem(id);
  498.                 } else if (imagesHistoryBy === "IMAGE_NAME") {
  499.                     const name = Features._ImageHistory.getImageNameFromUrl(url);
  500.                     await downloadedImages.pushItem(name);
  501.                 }
  502.             }
  503.         }
  504.         static async imagesHandler() {
  505.             verbose && console.log("[ujs][imagesHandler]");
  506.             const images = document.querySelectorAll(`img:not([data-handled]):not([src$=".svg"])`);
  507.             for (const img of images) {
  508.                 if (img.dataset.handled) {
  509.                     continue;
  510.                 }
  511.                 img.dataset.handled = "true";
  512.                 if (img.width === 0) {
  513.                     const imgOnload = new Promise(async (resolve) => {
  514.                         img.onload = resolve;
  515.                     });
  516.                     await Promise.any([imgOnload, sleep(500)]);
  517.                     await sleep(10); // to get updated img.width
  518.                 }
  519.                 if (img.width < 140) {
  520.                     continue;
  521.                 }
  522.                 verbose && console.log("[ujs][imagesHandler]", {img, img_width: img.width});
  523.  
  524.                 let anchor = img.closest("a");
  525.                 // if expanded_url (an image is _opened_ "https://twitter.com/UserName/status/1234567890123456789/photo/1" [fake-url])
  526.                 if (!anchor) {
  527.                     anchor = img.parentNode;
  528.                 }
  529.  
  530.                 const listitemEl = img.closest(`li[role="listitem"]`);
  531.                 const isThumb = Boolean(listitemEl); // isMediaThumbnail
  532.  
  533.                 if (isThumb && anchor.querySelector("svg")) {
  534.                     await Features.multiMediaThumbHandler(img);
  535.                     continue;
  536.                 }
  537.  
  538.                 const isMobileVideo = img.src.includes("ext_tw_video_thumb")  || img.closest(`a[aria-label="Embedded video"]`) || img.alt === "Animated Text GIF" || img.alt === "Embedded video"
  539.                                    || img.src.includes("tweet_video_thumb") /* GIF thumb */;
  540.                 if (isMobileVideo) {
  541.                     await Features.mobileVideoHandler(img, isThumb);
  542.                     continue;
  543.                 }
  544.  
  545.                 const btn = Features.createButton({url: img.src, isThumb});
  546.                 btn.addEventListener("click", Features._imageClickHandler);
  547.                 anchor.append(btn);
  548.  
  549.                 const downloaded = Features._ImageHistory.isDownloaded({
  550.                     id: Tweet.of(btn).id,
  551.                     url: btn.dataset.url
  552.                 });
  553.                 if (downloaded) {
  554.                     btn.classList.add("ujs-already-downloaded");
  555.                 }
  556.             }
  557.         }
  558.         static async _imageClickHandler(event) {
  559.             event.preventDefault();
  560.             event.stopImmediatePropagation();
  561.  
  562.             const btn = event.currentTarget;
  563.             let url = btn.dataset.url;
  564.  
  565.             const isBanner = url.includes("/profile_banners/");
  566.             if (isBanner) {
  567.                 return Features._downloadBanner(url, btn);
  568.             }
  569.  
  570.             const {id, author} = Tweet.of(btn);
  571.             verbose && console.log("[ujs][_imageClickHandler]", {id, author});
  572.  
  573.             await Features._downloadPhotoMediaEntry(id, author, url, btn);
  574.             Features._markButtonAsDownloaded(btn);
  575.         }
  576.         static async _downloadPhotoMediaEntry(id, author, url, btn) {
  577.             const btnErrorTextElem = btn.querySelector(".ujs-btn-error-text");
  578.             const btnProgress = btn.querySelector(".ujs-progress");
  579.             if (btn.textContent !== "") {
  580.                 btnErrorTextElem.textContent = "";
  581.             }
  582.             btn.classList.remove("ujs-error");
  583.             btn.classList.add("ujs-downloading");
  584.  
  585.             let onProgress = null;
  586.             if (settings.downloadProgress) {
  587.                 onProgress = ({loaded, total}) => btnProgress.style.cssText = "--progress: " + loaded / total * 90 + "%";
  588.             }
  589.  
  590.             const originals = ["orig", "4096x4096"];
  591.             const samples = ["large", "medium", "900x900", "small", "360x360", /*"240x240", "120x120", "tiny"*/];
  592.             let isSample = false;
  593.             const previewSize = new URL(url).searchParams.get("name");
  594.             if (!samples.includes(previewSize)) {
  595.                 samples.push(previewSize);
  596.             }
  597.  
  598.             function handleImgUrl(url) {
  599.                 const urlObj = new URL(url);
  600.                 if (originals.length) {
  601.                     urlObj.searchParams.set("name", originals.shift());
  602.                 } else if (samples.length) {
  603.                     isSample = true;
  604.                     urlObj.searchParams.set("name", samples.shift());
  605.                 } else {
  606.                     throw new Error("All fallback URLs are failed to download.");
  607.                 }
  608.                 if (urlObj.searchParams.get("format") === "webp") {
  609.                     urlObj.searchParams.set("format", "jpg");
  610.                 }
  611.                 url = urlObj.toString();
  612.                 verbose && console.log("[ujs][handleImgUrl][url]", url);
  613.                 return url;
  614.             }
  615.  
  616.             async function safeFetchResource(url) {
  617.                 while (true) {
  618.                     url = handleImgUrl(url);
  619.                     try {
  620.                         const result = await fetchResource(url, onProgress);
  621.                         if (result.status === 404) {
  622.                             const urlObj = new URL(url);
  623.                             const params = urlObj.searchParams;
  624.                             if (params.get("name") === "orig" && params.get("format") === "jpg") {
  625.                                 params.set("format", "png");
  626.                                 url = urlObj.toString();
  627.                                 return await fetchResource(url, onProgress);
  628.                             }
  629.                         }
  630.                         return result;
  631.                     } catch (err) {
  632.                         if (!originals.length) {
  633.                             btn.classList.add("ujs-error");
  634.                             btnErrorTextElem.textContent = "";
  635.                             // Add ⚠
  636.                             btnErrorTextElem.style = `background-image: url("https://abs-0.twimg.com/emoji/v2/svg/26a0.svg"); background-size: 1.5em; background-position: center; background-repeat: no-repeat;`;
  637.                             btn.title = "[warning] Original images are not available.";
  638.                         }
  639.  
  640.                         const ffAutoAllocateChunkSizeBug = err.message.includes("autoAllocateChunkSize"); // https://bugzilla.mozilla.org/show_bug.cgi?id=1757836
  641.                         if (!samples.length || ffAutoAllocateChunkSizeBug) {
  642.                             btn.classList.add("ujs-error");
  643.                             btnErrorTextElem.textContent = "";
  644.                             // Add ❌
  645.                             btnErrorTextElem.style = `background-image: url("https://abs-0.twimg.com/emoji/v2/svg/274c.svg"); background-size: 1.5em; background-position: center; background-repeat: no-repeat;`;
  646.  
  647.                             const ffHint = isFirefox && !settings.strictTrackingProtectionFix && ffAutoAllocateChunkSizeBug ? "\nTry to enable 'Strict Tracking Protection Fix' in the userscript settings." : "";
  648.                             btn.title = "Failed to download the image." + ffHint;
  649.                             throw new Error("[error] Fallback URLs are failed.");
  650.                         }
  651.                     }
  652.                 }
  653.             }
  654.  
  655.             const {blob, lastModifiedDate, extension, name} = await safeFetchResource(url);
  656.  
  657.             Features.verifyBlob(blob, url, btn);
  658.  
  659.             btnProgress.style.cssText = "--progress: 100%";
  660.  
  661.             const sampleText = !isSample ? "" : "[sample]";
  662.             const filename = `[twitter]${sampleText} ${author}—${lastModifiedDate}—${id}—${name}.${extension}`;
  663.             downloadBlob(blob, filename, url);
  664.  
  665.             const downloaded = btn.classList.contains("ujs-already-downloaded") || btn.classList.contains("ujs-downloaded");
  666.             if (!downloaded && !isSample) {
  667.                 await Features._ImageHistory.markDownloaded({id, url});
  668.             }
  669.  
  670.             if (btn.dataset.isMultiMedia && !isSample) { // dirty fix
  671.                 const isDownloaded = Features._ImageHistory.isDownloaded({id, url});
  672.                 if (!isDownloaded) {
  673.                     await Features._ImageHistory.markDownloaded({id, url});
  674.                 }
  675.             }
  676.  
  677.             await sleep(40);
  678.             btnProgress.style.cssText = "--progress: 0%";
  679.         }
  680.  
  681.  
  682.         // Quick Dirty Fix // todo refactor
  683.         static async mobileVideoHandler(imgElem, isThumb) { // + thumbVideoHandler
  684.             verbose && console.log("[ujs][mobileVideoHandler][vid]", imgElem);
  685.  
  686.             const btn = Features.createButton({isVideo: true, url: imgElem.src, isThumb});
  687.             btn.addEventListener("click", Features._videoClickHandler);
  688.  
  689.             let anchor = imgElem.closest("a");
  690.             if (!anchor) {
  691.                 anchor = imgElem.parentNode;
  692.             }
  693.             anchor.append(btn);
  694.  
  695.             const tweet = Tweet.of(btn);
  696.             const id = tweet.id;
  697.             const tweetElem = tweet.elem || btn.closest(`[data-testid="tweet"]`);
  698.             let vidNumber = 0;
  699.  
  700.             if (tweetElem) {
  701.                 const map = Features.tweetVidWeakMapMobile;
  702.                 if (map.has(tweetElem)) {
  703.                     vidNumber = map.get(tweetElem) + 1;
  704.                     map.set(tweetElem, vidNumber);
  705.                 } else {
  706.                     map.set(tweetElem, vidNumber); // can throw an error for null
  707.                 }
  708.             } // else thumbnail
  709.  
  710.             const historyId = vidNumber ? id + "-" + vidNumber : id;
  711.  
  712.             const downloaded = downloadedVideoTweetIds.hasItem(historyId);
  713.             if (downloaded) {
  714.                 btn.classList.add("ujs-already-downloaded");
  715.             }
  716.         }
  717.  
  718.  
  719.         static async multiMediaThumbHandler(imgElem) {
  720.             verbose && console.log("[ujs][multiMediaThumbHandler]", imgElem);
  721.             let isVideo = false;
  722.             if (imgElem.src.includes("/ext_tw_video_thumb/")) {
  723.                 isVideo = true;
  724.             }
  725.  
  726.             const btn = Features.createButton({url: imgElem.src, isVideo, isThumb: true, isMultiMedia: true});
  727.             btn.addEventListener("click", Features._multiMediaThumbClickHandler);
  728.             let anchor = imgElem.closest("a");
  729.             if (!anchor) {
  730.                 anchor = imgElem.parentNode;
  731.             }
  732.             anchor.append(btn);
  733.  
  734.             let downloaded;
  735.             const tweetId = Tweet.of(btn).id;
  736.             if (isVideo) {
  737.                 downloaded = downloadedVideoTweetIds.hasItem(tweetId);
  738.             } else {
  739.                 downloaded = Features._ImageHistory.isDownloaded({
  740.                     id: tweetId,
  741.                     url: btn.dataset.url
  742.                 });
  743.             }
  744.             if (downloaded) {
  745.                 btn.classList.add("ujs-already-downloaded");
  746.             }
  747.         }
  748.         static async _multiMediaThumbClickHandler(event) {
  749.             event.preventDefault();
  750.             event.stopImmediatePropagation();
  751.             const btn = event.currentTarget;
  752.             const btnErrorTextElem = btn.querySelector(".ujs-btn-error-text");
  753.             if (btn.textContent !== "") {
  754.                 btnErrorTextElem.textContent = "";
  755.             }
  756.             const {id} = Tweet.of(btn);
  757.             /** @type {TweetMediaEntry[]} */
  758.             let medias;
  759.             try {
  760.                 medias = await API.getTweetMedias(id);
  761.                 medias = medias.filter(mediaEntry => mediaEntry.tweet_id === id);
  762.             } catch (err) {
  763.                 console.error(err);
  764.                 btn.classList.add("ujs-error");
  765.                 btnErrorTextElem.textContent = "Error";
  766.                 btn.title = "API.getTweetMedias Error";
  767.                 throw new Error("API.getTweetMedias Error");
  768.             }
  769.  
  770.             for (const mediaEntry of medias) {
  771.                 if (mediaEntry.type === "video") {
  772.                     await Features._downloadVideoMediaEntry(mediaEntry, btn, id);
  773.                 } else { // "photo"
  774.                     const {screen_name: author,download_url: url, tweet_id: id} = mediaEntry;
  775.                     await Features._downloadPhotoMediaEntry(id, author, url, btn);
  776.                 }
  777.                 await sleep(50);
  778.             }
  779.             Features._markButtonAsDownloaded(btn);
  780.         }
  781.  
  782.         static tweetVidWeakMapMobile = new WeakMap();
  783.         static tweetVidWeakMap = new WeakMap();
  784.         static async videoHandler() {
  785.             const videos = document.querySelectorAll("video:not([data-handled])");
  786.             for (const vid of videos) {
  787.                 if (vid.dataset.handled) {
  788.                     continue;
  789.                 }
  790.                 vid.dataset.handled = "true";
  791.                 verbose && console.log("[ujs][videoHandler][vid]", vid);
  792.  
  793.                 const poster = vid.getAttribute("poster");
  794.  
  795.                 const btn = Features.createButton({isVideo: true, url: poster});
  796.                 btn.addEventListener("click", Features._videoClickHandler);
  797.  
  798.                 let elem = vid.closest(`[data-testid="videoComponent"]`).parentNode;
  799.                 if (elem) {
  800.                     elem.append(btn);
  801.                 } else {
  802.                     elem = vid.parentNode.parentNode.parentNode;
  803.                     elem.after(btn);
  804.                 }
  805.  
  806.  
  807.                 const tweet = Tweet.of(btn);
  808.                 const id = tweet.id;
  809.                 const tweetElem = tweet.elem;
  810.                 let vidNumber = 0;
  811.  
  812.                 if (tweetElem) {
  813.                     const map = Features.tweetVidWeakMap;
  814.                     if (map.has(tweetElem)) {
  815.                         vidNumber = map.get(tweetElem) + 1;
  816.                         map.set(tweetElem, vidNumber);
  817.                     } else {
  818.                         map.set(tweetElem, vidNumber); // can throw an error for null
  819.                     }
  820.                 } else { // expanded_url
  821.                     await sleep(10);
  822.                     const match = location.pathname.match(/(?<=\/video\/)\d/);
  823.                     if (!match) {
  824.                         verbose && console.log("[ujs][videoHandler] missed match for match");
  825.                     }
  826.                     vidNumber = Number(match[0]) - 1;
  827.  
  828.                     console.warn("[ujs][videoHandler] vidNumber", vidNumber);
  829.                     // todo: add support for expanded_url video downloading
  830.                 }
  831.  
  832.                 const historyId = vidNumber ? id + "-" + vidNumber : id;
  833.  
  834.                 const downloaded = downloadedVideoTweetIds.hasItem(historyId);
  835.                 if (downloaded) {
  836.                     btn.classList.add("ujs-already-downloaded");
  837.                 }
  838.             }
  839.         }
  840.         static async _videoClickHandler(event) { // todo: parse the URL from HTML (For "Embedded video" (?))
  841.             event.preventDefault();
  842.             event.stopImmediatePropagation();
  843.  
  844.             const btn = event.currentTarget;
  845.             const btnErrorTextElem = btn.querySelector(".ujs-btn-error-text");
  846.             const {id} = Tweet.of(btn);
  847.  
  848.             if (btn.textContent !== "") {
  849.                 btnErrorTextElem.textContent = "";
  850.             }
  851.             btn.classList.remove("ujs-error");
  852.             btn.classList.add("ujs-downloading");
  853.  
  854.             let mediaEntry;
  855.             try {
  856.                 const medias = await API.getTweetMedias(id);
  857.                 const posterUrl = btn.dataset.url; // [note] if `posterUrl` has `searchParams`, it will have no extension at the end of `pathname`.
  858.                 const posterUrlClear = removeSearchParams(posterUrl);
  859.                 mediaEntry = medias.find(media => media.preview_url.startsWith(posterUrlClear));
  860.                 verbose && console.log("[ujs][_videoClickHandler] mediaEntry", mediaEntry);
  861.             } catch (err) {
  862.                 console.error(err);
  863.                 btn.classList.add("ujs-error");
  864.                 btnErrorTextElem.textContent = "Error";
  865.                 btn.title = "API.getVideoInfo Error";
  866.                 throw new Error("API.getVideoInfo Error");
  867.             }
  868.  
  869.             await Features._downloadVideoMediaEntry(mediaEntry, btn, id);
  870.             Features._markButtonAsDownloaded(btn);
  871.         }
  872.  
  873.         static async _downloadVideoMediaEntry(mediaEntry, btn, id /* of original tweet */) {
  874.             const {
  875.                 screen_name:  author,
  876.                 tweet_id:     videoTweetId,
  877.                 download_url: url,
  878.                 type_index:   vidNumber,
  879.             } = mediaEntry;
  880.             if (!url) {
  881.                 throw new Error("No video URL found");
  882.             }
  883.  
  884.             const btnProgress = btn.querySelector(".ujs-progress");
  885.  
  886.             let onProgress = null;
  887.             if (settings.downloadProgress) {
  888.                 onProgress = ({loaded, total}) => btnProgress.style.cssText = "--progress: " + loaded / total * 90 + "%";
  889.             }
  890.  
  891.             const {blob, lastModifiedDate, extension, name} = await fetchResource(url, onProgress);
  892.  
  893.             btnProgress.style.cssText = "--progress: 100%";
  894.  
  895.             Features.verifyBlob(blob, url, btn);
  896.  
  897.             const filename = `[twitter] ${author}—${lastModifiedDate}—${videoTweetId}—${name}.${extension}`;
  898.             downloadBlob(blob, filename, url);
  899.  
  900.             const downloaded = btn.classList.contains("ujs-already-downloaded");
  901.             const historyId = vidNumber /* not 0 */ ? videoTweetId + "-" + vidNumber : videoTweetId;
  902.             if (!downloaded) {
  903.                 await downloadedVideoTweetIds.pushItem(historyId);
  904.                 if (videoTweetId !== id) { // if QRT
  905.                     const historyId = vidNumber ? id + "-" + vidNumber : id;
  906.                     await downloadedVideoTweetIds.pushItem(historyId);
  907.                 }
  908.             }
  909.  
  910.             if (btn.dataset.isMultiMedia) { // dirty fix
  911.                 const isDownloaded = downloadedVideoTweetIds.hasItem(historyId);
  912.                 if (!isDownloaded) {
  913.                     await downloadedVideoTweetIds.pushItem(historyId);
  914.                     if (videoTweetId !== id) { // if QRT
  915.                         const historyId = vidNumber ? id + "-" + vidNumber : id;
  916.                         await downloadedVideoTweetIds.pushItem(historyId);
  917.                     }
  918.                 }
  919.             }
  920.  
  921.             await sleep(40);
  922.             btnProgress.style.cssText = "--progress: 0%";
  923.         }
  924.  
  925.         static verifyBlob(blob, url, btn) {
  926.             if (!blob.size) {
  927.                 btn.classList.add("ujs-error");
  928.                 btn.querySelector(".ujs-btn-error-text").textContent = "Error";
  929.                 btn.title = "Download Error";
  930.                 throw new Error("Zero size blob: " + url);
  931.             }
  932.         }
  933.  
  934.         static addRequiredCSS() {
  935.             const code = getUserScriptCSS();
  936.             addCSS(code);
  937.         }
  938.  
  939.         // it depends on `directLinks()` use only it after `directLinks()`
  940.         static handleTitle(title) {
  941.  
  942.             if (!I18N.QUOTES) { // Unsupported lang, no QUOTES, ON_TWITTER, TWITTER constants
  943.                 return;
  944.             }
  945.  
  946.             // if not an opened tweet
  947.             if (!location.href.match(/(twitter|x)\.com\/[^\/]+\/status\/\d+/)) {
  948.                 return;
  949.             }
  950.  
  951.             let titleText = title || document.title;
  952.             if (titleText === Features.lastHandledTitle) {
  953.                 return;
  954.             }
  955.             Features.originalTitle = titleText;
  956.  
  957.             const [OPEN_QUOTE, CLOSE_QUOTE] = I18N.QUOTES;
  958.             const urlsToReplace = [
  959.                 ...titleText.matchAll(new RegExp(`https:\\/\\/t\\.co\\/[^ ${CLOSE_QUOTE}]+`, "g"))
  960.             ].map(el => el[0]);
  961.             // the last one may be the URL to the tweet // or to an embedded shared URL
  962.  
  963.             const map = new Map();
  964.             const anchors = document.querySelectorAll(`a[data-redirect^="https://t.co/"]`);
  965.             for (const anchor of anchors) {
  966.                 if (urlsToReplace.includes(anchor.dataset.redirect)) {
  967.                     map.set(anchor.dataset.redirect, anchor.href);
  968.                 }
  969.             }
  970.  
  971.             const lastUrl = urlsToReplace.slice(-1)[0];
  972.             let lastUrlIsAttachment = false;
  973.             let attachmentDescription = "";
  974.             if (!map.has(lastUrl)) {
  975.                 const a = document.querySelector(`a[href="${lastUrl}?amp=1"]`);
  976.                 if (a) {
  977.                     lastUrlIsAttachment = true;
  978.                     attachmentDescription = document.querySelectorAll(`a[href="${lastUrl}?amp=1"]`)[1].innerText;
  979.                     attachmentDescription = attachmentDescription.replaceAll("\n", " — ");
  980.                 }
  981.             }
  982.  
  983.             for (const [key, value] of map.entries()) {
  984.                 titleText = titleText.replaceAll(key, value + ` (${key})`);
  985.             }
  986.  
  987.             titleText = titleText.replace(new RegExp(`${I18N.ON_TWITTER}(?= ${OPEN_QUOTE})`), ":");
  988.             titleText = titleText.replace(new RegExp(`(?<=${CLOSE_QUOTE}) \\\/ ${I18N.TWITTER}$`), "");
  989.             if (!lastUrlIsAttachment) {
  990.                 const regExp = new RegExp(`(?<short> https:\\/\\/t\\.co\\/.{6,14})${CLOSE_QUOTE}$`);
  991.                 titleText = titleText.replace(regExp, (match, p1, p2, offset, string) => `${CLOSE_QUOTE} —${p1}`);
  992.             } else {
  993.                 titleText = titleText.replace(lastUrl, `${lastUrl} (${attachmentDescription})`);
  994.             }
  995.             document.title = titleText; // Note: some characters will be removed automatically (`\n`, extra spaces)
  996.             Features.lastHandledTitle = document.title;
  997.         }
  998.         static lastHandledTitle = "";
  999.         static originalTitle = "";
  1000.  
  1001.         static profileUrlCache = new Map();
  1002.         static async directLinks() {
  1003.             verbose && console.log("[ujs][directLinks]");
  1004.             const hasHttp = url => Boolean(url.match(/^https?:\/\//));
  1005.             const anchors = xpathAll(`.//a[@dir="ltr" and child::span and not(@data-handled)]`);
  1006.             for (const anchor of anchors) {
  1007.                 const redirectUrl = new URL(anchor.href);
  1008.                 const shortUrl = redirectUrl.origin + redirectUrl.pathname; // remove "?amp=1"
  1009.  
  1010.                 const hrefAttr = anchor.getAttribute("href");
  1011.                 if (hrefAttr.startsWith("/")) {
  1012.                     anchor.dataset.handled = "true";
  1013.                     return;
  1014.                 }
  1015.  
  1016.                 verbose && console.log("[ujs][directLinks]", {hrefAttr, redirectUrl_href: redirectUrl.href, shortUrl});
  1017.  
  1018.                 anchor.dataset.redirect = shortUrl;
  1019.                 anchor.dataset.handled = "true";
  1020.                 anchor.rel = "nofollow noopener noreferrer";
  1021.  
  1022.                 if (Features.profileUrlCache.has(shortUrl)) {
  1023.                     anchor.href = Features.profileUrlCache.get(shortUrl);
  1024.                     continue;
  1025.                 }
  1026.  
  1027.                 const nodes = xpathAll(`./span[text() != "…"]|./text()`, anchor);
  1028.                 let url = nodes.map(node => node.textContent).join("");
  1029.  
  1030.                 const doubleProtocolPrefix = url.match(/(?<dup>^https?:\/\/)(?=https?:)/)?.groups.dup;
  1031.                 if (doubleProtocolPrefix) {
  1032.                     url = url.slice(doubleProtocolPrefix.length);
  1033.                     const span = anchor.querySelector(`[aria-hidden="true"]`);
  1034.                     if (hasHttp(span.textContent)) { // Fix Twitter's bug related to text copying
  1035.                         span.style = "display: none;";
  1036.                     }
  1037.                 }
  1038.  
  1039.                 anchor.href = url;
  1040.  
  1041.                 if (anchor.dataset?.testid === "UserUrl") {
  1042.                     const href = anchor.getAttribute("href");
  1043.                     const profileUrl = hasHttp(href) ? href : "https://" + href;
  1044.                     anchor.href = profileUrl;
  1045.                     verbose && console.log("[ujs][directLinks][profileUrl]", profileUrl);
  1046.  
  1047.                     // Restore if URL's text content is too long
  1048.                     if (anchor.textContent.endsWith("…")) {
  1049.                         anchor.href = shortUrl;
  1050.  
  1051.                         try {
  1052.                             const author = location.pathname.slice(1).match(/[^\/]+/)[0];
  1053.                             const expanded_url = await API.getUserInfo(author); // todo: make lazy
  1054.                             anchor.href = expanded_url;
  1055.                             Features.profileUrlCache.set(shortUrl, expanded_url);
  1056.                         } catch (err) {
  1057.                             verbose && console.error("[ujs]", err);
  1058.                         }
  1059.                     }
  1060.                 }
  1061.             }
  1062.             if (anchors.length) {
  1063.                 Features.handleTitle(Features.originalTitle);
  1064.             }
  1065.         }
  1066.  
  1067.         // Do NOT throttle it
  1068.         static expandSpoilers() {
  1069.             const main = document.querySelector("main[role=main]");
  1070.             if (!main) {
  1071.                 return;
  1072.             }
  1073.  
  1074.             if (!I18N.YES_VIEW_PROFILE) { // Unsupported lang, no YES_VIEW_PROFILE, SHOW_NUDITY, VIEW constants
  1075.                 return;
  1076.             }
  1077.  
  1078.             const a = main.querySelectorAll("[data-testid=primaryColumn] [role=button]");
  1079.             if (a) {
  1080.                 const elems = [...a];
  1081.                 const button = elems.find(el => el.textContent === I18N.YES_VIEW_PROFILE);
  1082.                 if (button) {
  1083.                     button.click();
  1084.                 }
  1085.  
  1086.                 // "Content warning: Nudity"
  1087.                 // "The Tweet author flagged this Tweet as showing sensitive content."
  1088.                 // "Show"
  1089.                 const buttonShow = elems.find(el => el.textContent === I18N.SHOW_NUDITY);
  1090.                 if (buttonShow) {
  1091.                     // const verifying = a.previousSibling.textContent.includes("Nudity"); // todo?
  1092.                     // if (verifying) {
  1093.                     buttonShow.click();
  1094.                     // }
  1095.                 }
  1096.             }
  1097.  
  1098.             // todo: expand spoiler commentary in photo view mode (.../photo/1)
  1099.             const b = main.querySelectorAll("article [role=presentation] div[role=button]");
  1100.             if (b) {
  1101.                 const elems = [...b];
  1102.                 const buttons = elems.filter(el => el.textContent === I18N.VIEW);
  1103.                 if (buttons.length) {
  1104.                     buttons.forEach(el => el.click());
  1105.                 }
  1106.             }
  1107.         }
  1108.  
  1109.         static hideSignUpSection() { // "New to Twitter?"
  1110.             if (!I18N.SIGNUP) {// Unsupported lang, no SIGNUP constant
  1111.                 return;
  1112.             }
  1113.             const elem = document.querySelector(`section[aria-label="${I18N.SIGNUP}"][role=region]`);
  1114.             if (elem) {
  1115.                 elem.parentNode.classList.add("ujs-hidden");
  1116.             }
  1117.         }
  1118.  
  1119.         // Call it once.
  1120.         // "Don’t miss what’s happening" if you are not logged in.
  1121.         // It looks that `#layers` is used only for this bar.
  1122.         static hideSignUpBottomBarAndMessages(doNotPlayVideosAutomatically) {
  1123.             if (doNotPlayVideosAutomatically) {
  1124.                 addCSS(`
  1125.                     #layers > div:nth-child(1) {
  1126.                         display: none;
  1127.                     }
  1128.                 `);
  1129.             } else {
  1130.                 addCSS(`
  1131.                     #layers > div:nth-child(1) {
  1132.                         height: 1px;
  1133.                         opacity: 0;
  1134.                     }
  1135.                 `);
  1136.             }
  1137.         }
  1138.  
  1139.         // "Trends for you"
  1140.         static hideTrends() {
  1141.             if (!I18N.TRENDS) { // Unsupported lang, no TRENDS constant
  1142.                 return;
  1143.             }
  1144.             addCSS(`
  1145.                 [aria-label="${I18N.TRENDS}"]
  1146.                 {
  1147.                     display: none;
  1148.                 }
  1149.             `);
  1150.         }
  1151.  
  1152.         static highlightVisitedLinks() {
  1153.             if (settings.highlightOnlySpecialVisitedLinks) {
  1154.                 addCSS(`
  1155.                     a[href^="http"]:visited {
  1156.                         color: darkorange !important;
  1157.                     }
  1158.                 `);
  1159.                 return;
  1160.             }
  1161.             addCSS(`
  1162.                 a:visited {
  1163.                     color: darkorange !important;
  1164.                 }
  1165.             `);
  1166.         }
  1167.  
  1168.         // todo split to two methods
  1169.         // todo fix it, currently it works questionably
  1170.         // not tested with non eng languages
  1171.         static footerHandled = false;
  1172.         static hideAndMoveFooter() { // "Terms of Service   Privacy Policy   Cookie Policy"
  1173.             let footer = document.querySelector(`main[role=main] nav[aria-label=${I18N.FOOTER}][role=navigation]`);
  1174.             const nav  = document.querySelector("nav[aria-label=Primary][role=navigation]"); // I18N."Primary" [?]
  1175.  
  1176.             if (footer) {
  1177.                 footer = footer.parentNode;
  1178.                 const separatorLine = footer.previousSibling;
  1179.  
  1180.                 if (Features.footerHandled) {
  1181.                     footer.remove();
  1182.                     separatorLine.remove();
  1183.                     return;
  1184.                 }
  1185.  
  1186.                 nav.append(separatorLine);
  1187.                 nav.append(footer);
  1188.                 footer.classList.add("ujs-show-on-hover");
  1189.                 separatorLine.classList.add("ujs-show-on-hover");
  1190.  
  1191.                 Features.footerHandled = true;
  1192.             }
  1193.         }
  1194.  
  1195.         static hideLoginPopup() { // When you are not logged in
  1196.             const targetNode = document.querySelector("html");
  1197.             const observerOptions = {
  1198.                 attributes: true,
  1199.             };
  1200.             const observer = new MutationObserver(callback);
  1201.             observer.observe(targetNode, observerOptions);
  1202.  
  1203.             function callback(mutationList, _observer) {
  1204.                 const html = document.querySelector("html");
  1205.                 verbose && console.log("[ujs][hideLoginPopup][mutationList]", mutationList);
  1206.                 // overflow-y: scroll; overscroll-behavior-y: none; font-size: 15px;                     // default
  1207.                 // overflow: hidden; overscroll-behavior-y: none; font-size: 15px; margin-right: 15px;   // popup
  1208.                 if (html.style["overflow"] === "hidden") {
  1209.                     html.style["overflow"] = "";
  1210.                     html.style["overflow-y"] = "scroll";
  1211.                     html.style["margin-right"] = "";
  1212.                 }
  1213.                 const popup = document.querySelector(`#layers div[data-testid="sheetDialog"]`);
  1214.                 if (popup) {
  1215.                     popup.closest(`div[role="dialog"]`).remove();
  1216.                     verbose && (document.title = "⚒" + document.title);
  1217.                     // observer.disconnect();
  1218.                 }
  1219.             }
  1220.         }
  1221.  
  1222.         static goFromMobileToMainSite() { // uncompleted
  1223.             if (location.href.startsWith("https://mobile.twitter.com/")) {
  1224.                 location.href = location.href.replace("https://mobile.twitter.com/", "https://twitter.com/");
  1225.             }
  1226.             // TODO: add #redirected, remove by timer // to prevent a potential infinity loop
  1227.         }
  1228.     }
  1229.  
  1230.     return Features;
  1231. }
  1232.  
  1233. function getStoreInfo() {
  1234.     const resultObj = {
  1235.         total: 0
  1236.     };
  1237.     for (const [name, lsKey] of Object.entries(StorageNames)) {
  1238.         const valueStr = localStorage.getItem(lsKey);
  1239.         if (valueStr) {
  1240.             try {
  1241.                 const value = JSON.parse(valueStr);
  1242.                 if (Array.isArray(value)) {
  1243.                     const size = new Set(value).size;
  1244.                     resultObj[name] = size;
  1245.                     resultObj.total += size;
  1246.                 }
  1247.             } catch (err) {
  1248.                 // ...
  1249.             }
  1250.         }
  1251.     }
  1252.     return resultObj;
  1253. }
  1254.  
  1255. // --- Twitter.RequiredCSS --- //
  1256. function getUserScriptCSS() {
  1257.     const labelText = I18N.IMAGE || "Image";
  1258.  
  1259.     // By default, the scroll is showed all time, since <html style="overflow-y: scroll;>,
  1260.     // so it works — no need to use `getScrollbarWidth` function from SO (13382516).
  1261.     const scrollbarWidth = window.innerWidth - document.body.offsetWidth;
  1262.  
  1263.     const css = `
  1264. .ujs-modal-wrapper .ujs-modal-settings {
  1265.   color: black;
  1266. }
  1267. .ujs-hidden {
  1268.     display: none;
  1269. }
  1270. .ujs-no-scroll {
  1271.     overflow-y: hidden;
  1272. }
  1273. .ujs-scroll-initial {
  1274.     overflow-y: initial!important;
  1275. }
  1276. .ujs-scrollbar-width-margin-right {
  1277.     margin-right: ${scrollbarWidth}px;
  1278. }
  1279.  
  1280. .ujs-show-on-hover:hover {
  1281.     opacity: 1;
  1282.     transition: opacity 1s ease-out 0.1s;
  1283. }
  1284. .ujs-show-on-hover {
  1285.     opacity: 0;
  1286.     transition: opacity 0.5s ease-out;
  1287. }
  1288.  
  1289. :root {
  1290.     --ujs-shadow-1: linear-gradient(to top, rgba(0,0,0,0.15), rgba(0,0,0,0.05));
  1291.     --ujs-shadow-2: linear-gradient(to top, rgba(0,0,0,0.25), rgba(0,0,0,0.05));
  1292.     --ujs-shadow-3: linear-gradient(to top, rgba(0,0,0,0.45), rgba(0,0,0,0.15));
  1293.     --ujs-shadow-4: linear-gradient(to top, rgba(0,0,0,0.55), rgba(0,0,0,0.25));
  1294.     --ujs-red:   #e0245e;
  1295.     --ujs-blue:  #1da1f2;
  1296.     --ujs-green: #4caf50;
  1297.     --ujs-gray:  #c2cbd0;
  1298.     --ujs-error: white;
  1299. }
  1300.  
  1301. .ujs-progress {
  1302.   background-image: linear-gradient(to right, var(--ujs-green) var(--progress), transparent 0%);
  1303. }
  1304.  
  1305. .ujs-shadow {
  1306.   background-image: var(--ujs-shadow-1);
  1307. }
  1308. .ujs-btn-download:hover .ujs-hover {
  1309.   background-image: var(--ujs-shadow-2);
  1310. }
  1311. .ujs-btn-download.ujs-downloading .ujs-shadow {
  1312.   background-image: var(--ujs-shadow-3);
  1313. }
  1314. .ujs-btn-download:active .ujs-shadow {
  1315.   background-image: var(--ujs-shadow-4);
  1316. }
  1317.  
  1318. .ujs-btn-download.ujs-downloaded.ujs-recently-downloaded {
  1319.     opacity: 0;
  1320. }
  1321.  
  1322. li[role="listitem"]:hover .ujs-btn-download {
  1323.     opacity: 1;
  1324. }
  1325. article[role=article]:hover .ujs-btn-download {
  1326.     opacity: 1;
  1327. }
  1328. div[aria-label="${labelText}"]:hover .ujs-btn-download {
  1329.     opacity: 1;
  1330. }
  1331. .ujs-btn-download.ujs-downloaded {
  1332.     opacity: 1;
  1333. }
  1334. .ujs-btn-download.ujs-downloading {
  1335.     opacity: 1;
  1336. }
  1337. [data-testid="videoComponent"]:hover + .ujs-btn-download {
  1338.     opacity: 1;
  1339. }
  1340. [data-testid="videoComponent"] + .ujs-btn-download:hover {
  1341.     opacity: 1;
  1342. }
  1343.  
  1344. .ujs-btn-download {
  1345.   cursor: pointer;
  1346.   top: 0.5em;
  1347.   left: 0.5em;
  1348.   position: absolute;
  1349.   opacity: 0;
  1350. }
  1351. .ujs-btn-common {
  1352.   width: 33px;
  1353.   height: 33px;
  1354.   border-radius: 0.3em;
  1355.   top: 0;
  1356.   position: absolute;
  1357.   border: 1px solid transparent;
  1358.   border-color: var(--ujs-gray);
  1359.   ${settings.addBorder ? "border: 2px solid white;" : "border-color: var(--ujs-gray);"}
  1360. }
  1361. .ujs-not-downloaded .ujs-btn-background {
  1362.   background: var(--ujs-red);
  1363. }
  1364.  
  1365. .ujs-already-downloaded .ujs-btn-background {
  1366.   background: var(--ujs-blue);
  1367. }
  1368.  
  1369. .ujs-btn-done {
  1370.   box-shadow: 0 0 6px var(--ujs-green);
  1371. }
  1372. .ujs-btn-error {
  1373.   box-shadow: 0 0 6px var(--ujs-red);
  1374. }
  1375.  
  1376. .ujs-downloaded .ujs-btn-background {
  1377.   background: var(--ujs-green);
  1378. }
  1379.  
  1380. .ujs-error .ujs-btn-background {
  1381.   background: var(--ujs-error);
  1382. }
  1383.  
  1384. .ujs-btn-error-text {
  1385.   display: flex;
  1386.   align-items: center;
  1387.   justify-content: center;
  1388.   color: black;
  1389.   font-size: 100%;
  1390. }`;
  1391.     return css.slice(1);
  1392. }
  1393.  
  1394. /*
  1395. Features depend on:
  1396.  
  1397. addRequiredCSS:     IMAGE
  1398.  
  1399. expandSpoilers:     YES_VIEW_PROFILE, SHOW_NUDITY, VIEW
  1400. handleTitle:        QUOTES,           ON_TWITTER,  TWITTER
  1401. hideSignUpSection:  SIGNUP
  1402. hideTrends:         TRENDS
  1403.  
  1404. [unused]
  1405. hideAndMoveFooter:  FOOTER
  1406. */
  1407.  
  1408. // --- Twitter.LangConstants --- //
  1409. function getLanguageConstants() { // todo: "de", "fr"
  1410.     const defaultQuotes = [`"`, `"`];
  1411.  
  1412.     const SUPPORTED_LANGUAGES = ["en",                     "ru",                     "es",                                 "zh",               "ja",                       ];
  1413.  
  1414.     // texts
  1415.     const VIEW                = ["View",                   "Посмотреть",             "Ver",                                "查看",             "表示",                      ];
  1416.     const YES_VIEW_PROFILE    = ["Yes, view profile",      "Да, посмотреть профиль", "Sí, ver perfil",                     "是，查看个人资料",   "プロフィールを表示する",       ];
  1417.     const SHOW_NUDITY         = ["Show",                   "Показать",               "Mostrar",                            "显示",              "表示",                     ];
  1418.  
  1419.     // aria-label texts
  1420.     const IMAGE               = ["Image",                  "Изображение",            "Imagen",                             "图像",              "画像",                     ];
  1421.     const SIGNUP              = ["Sign up",                "Зарегистрироваться",     "Regístrate",                         "注册",             "アカウント作成",              ];
  1422.     const TRENDS              = ["Timeline: Trending now", "Лента: Актуальные темы", "Cronología: Tendencias del momento", "时间线：当前趋势",   "タイムライン: トレンド",       ];
  1423.     const FOOTER              = ["Footer",                 "Нижний колонтитул",      "Pie de página",                      "页脚",             "フッター",                   ];
  1424.  
  1425.     // document.title "{AUTHOR}{ON_TWITTER} {QUOTES[0]}{TEXT}{QUOTES[1]} / {TWITTER}"
  1426.     const QUOTES              = [defaultQuotes,            [`«`, `»`],               defaultQuotes,                        defaultQuotes,      [`「`, `」`],                ];
  1427.     const ON_TWITTER          = [" on X:",                  " в X:",                 " en X:",                             " 在 X:",            "さんはXを使っています", ];
  1428.     const TWITTER             = ["X",                       "X",                      "X",                                  "X",                 "X",                  ];
  1429.  
  1430.     const lang = document.querySelector("html").getAttribute("lang");
  1431.     const langIndex = SUPPORTED_LANGUAGES.indexOf(lang);
  1432.  
  1433.     return {
  1434.         SUPPORTED_LANGUAGES,
  1435.         VIEW: VIEW[langIndex],
  1436.         YES_VIEW_PROFILE: YES_VIEW_PROFILE[langIndex],
  1437.         SHOW_NUDITY: SHOW_NUDITY[langIndex],
  1438.         IMAGE: IMAGE[langIndex],
  1439.         SIGNUP: SIGNUP[langIndex],
  1440.         TRENDS: TRENDS[langIndex],
  1441.         FOOTER: FOOTER[langIndex],
  1442.         QUOTES: QUOTES[langIndex],
  1443.         ON_TWITTER: ON_TWITTER[langIndex],
  1444.         TWITTER: TWITTER[langIndex],
  1445.     }
  1446. }
  1447.  
  1448. // --- Twitter.Tweet --- //
  1449. function hoistTweet() {
  1450.     class Tweet {
  1451.         constructor({elem, url}) {
  1452.             if (url) {
  1453.                 this.elem = null;
  1454.                 this.url = url;
  1455.             } else {
  1456.                 this.elem = elem;
  1457.                 this.url = Tweet.getUrl(elem);
  1458.             }
  1459.         }
  1460.  
  1461.         static of(innerElem) {
  1462.             // Workaround for media from a quoted tweet
  1463.             const url = innerElem.closest(`a[href^="/"]`)?.href;
  1464.             if (url && url.includes("/status/")) {
  1465.                 return new Tweet({url});
  1466.             }
  1467.  
  1468.             const elem = innerElem.closest(`[data-testid="tweet"]`);
  1469.             if (!elem) { // opened image
  1470.                 verbose && console.log("[ujs][Tweet.of]", "No-tweet elem");
  1471.             }
  1472.             return new Tweet({elem});
  1473.         }
  1474.  
  1475.         static getUrl(elem) {
  1476.             if (!elem) {
  1477.                 verbose && console.log("[ujs][Tweet.getUrl]", "Opened full screen image");
  1478.                 return location.href;
  1479.             }
  1480.             const quotedTweetAnchorEl = [...elem.querySelectorAll("a")].find(el => {
  1481.                 return el.childNodes[0]?.nodeName === "TIME";
  1482.             });
  1483.             if (quotedTweetAnchorEl) {
  1484.                 verbose && console.log("[ujs][Tweet.getUrl]", "Quoted/Re Tweet");
  1485.                 return quotedTweetAnchorEl.href;
  1486.             }
  1487.             verbose && console.log("[ujs][Tweet.getUrl]", "Unreachable"); // Is it used?
  1488.             return location.href;
  1489.         }
  1490.  
  1491.         get author() {
  1492.             return this.url.match(/(?<=(twitter|x)\.com\/).+?(?=\/)/)?.[0];
  1493.         }
  1494.  
  1495.         get id() {
  1496.             return this.url.match(/(?<=\/status\/)\d+/)?.[0];
  1497.         }
  1498.     }
  1499.  
  1500.     return Tweet;
  1501. }
  1502.  
  1503. // --- Twitter.API --- //
  1504. function hoistAPI() {
  1505.     class API {
  1506.         static guestToken = getCookie("gt");
  1507.         static csrfToken  = getCookie("ct0");  // todo: lazy — not available at the first run
  1508.         // Guest/Suspended account Bearer token
  1509.         static guestAuthorization = "Bearer AAAAAAAAAAAAAAAAAAAAANRILgAAAAAAnNwIzUejRCOuH5E6I8xnZz4puTs%3D1Zv7ttfk8LF81IUq16cHjhLTvJu4FA33AGWWjCpTnA";
  1510.  
  1511.         // Seems to be outdated at 2022.05
  1512.         static async _requestBearerToken() {
  1513.             const scriptSrc = [...document.querySelectorAll("script")]
  1514.                 .find(el => el.src.match(/https:\/\/abs\.twimg\.com\/responsive-web\/client-web\/main[\w.]*\.js/)).src;
  1515.  
  1516.             let text;
  1517.             try {
  1518.                 text = await (await fetch(scriptSrc)).text();
  1519.             } catch (err) {
  1520.                 /* verbose && */ console.error("[ujs][_requestBearerToken][scriptSrc]", scriptSrc);
  1521.                 /* verbose && */ console.error("[ujs][_requestBearerToken]", err);
  1522.                 throw err;
  1523.             }
  1524.  
  1525.             const authorizationKey = text.match(/(?<=")AAAAAAAAAAAAAAAAAAAAANRILgAAAAAAnNwIzUejRCOuH5E6I8xnZz4puTs%3D.+?(?=")/)[0];
  1526.             const authorization = `Bearer ${authorizationKey}`;
  1527.  
  1528.             return authorization;
  1529.         }
  1530.  
  1531.         static async getAuthorization() {
  1532.             if (!API.authorization) {
  1533.                 API.authorization = await API._requestBearerToken();
  1534.             }
  1535.             return API.authorization;
  1536.         }
  1537.  
  1538.         static requestCache = new Map();
  1539.         static vacuumCache() {
  1540.             if (API.requestCache.size > 16) {
  1541.                 API.requestCache.delete(API.requestCache.keys().next().value);
  1542.             }
  1543.         }
  1544.  
  1545.         static async apiRequest(url) {
  1546.             const _url = url.toString();
  1547.             verbose && console.log("[ujs][apiRequest]", _url);
  1548.  
  1549.             if (API.requestCache.has(_url)) {
  1550.                 verbose && console.log("[ujs][apiRequest] Use cached API request", _url);
  1551.                 return API.requestCache.get(_url);
  1552.             }
  1553.  
  1554.             // Hm... it is always the same. Even for a logged user.
  1555.             // const authorization = API.guestToken ? API.guestAuthorization : await API.getAuthorization();
  1556.             const authorization = API.guestAuthorization;
  1557.  
  1558.             // for debug
  1559.             verbose && sessionStorage.setItem("guestAuthorization", API.guestAuthorization);
  1560.             verbose && sessionStorage.setItem("authorization", API.authorization);
  1561.             verbose && sessionStorage.setItem("x-csrf-token", API.csrfToken);
  1562.             verbose && sessionStorage.setItem("x-guest-token", API.guestToken);
  1563.  
  1564.             const headers = new Headers({
  1565.                 authorization,
  1566.                 "x-csrf-token": API.csrfToken,
  1567.                 "x-twitter-client-language": "en",
  1568.                 "x-twitter-active-user": "yes"
  1569.             });
  1570.             if (API.guestToken) {
  1571.                 headers.append("x-guest-token", API.guestToken);
  1572.             } else { // may be skipped
  1573.                 headers.append("x-twitter-auth-type", "OAuth2Session");
  1574.             }
  1575.  
  1576.             let json;
  1577.             try {
  1578.                 const response = await fetch(_url, {headers});
  1579.                 json = await response.json();
  1580.                 if (response.ok) {
  1581.                     verbose && console.log("[ujs][apiRequest]", "Cache API request", _url);
  1582.                     API.vacuumCache();
  1583.                     API.requestCache.set(_url, json);
  1584.                 }
  1585.             } catch (err) {
  1586.                 /* verbose && */ console.error("[ujs][apiRequest]", _url);
  1587.                 /* verbose && */ console.error("[ujs][apiRequest]", err);
  1588.                 throw err;
  1589.             }
  1590.  
  1591.             verbose && console.log("[ujs][apiRequest][json]", JSON.stringify(json, null, " "));
  1592.             // 429 - [{code: 88, message: "Rate limit exceeded"}] — for suspended accounts
  1593.  
  1594.             return json;
  1595.         }
  1596.  
  1597.         static async getTweetJson(tweetId) {
  1598.             const url = API.createTweetJsonEndpointUrl(tweetId);
  1599.             const json = await API.apiRequest(url);
  1600.             verbose && console.log("[ujs][getTweetJson]", json, JSON.stringify(json));
  1601.             return json;
  1602.         }
  1603.  
  1604.         /** return {tweetResult, tweetLegacy, tweetUser} */
  1605.         static parseTweetJson(json, tweetId) {
  1606.             const instruction = json.data.threaded_conversation_with_injections_v2.instructions.find(ins => ins.type === "TimelineAddEntries");
  1607.             const tweetEntry  = instruction.entries.find(ins => ins.entryId === "tweet-" + tweetId);
  1608.             let tweetResult = tweetEntry.content.itemContent.tweet_results.result; // {"__typename": "Tweet"} // or {"__typename": "TweetWithVisibilityResults", tweet: {...}} (1641596499351212033)
  1609.             if (tweetResult.tweet) {
  1610.                 tweetResult = tweetResult.tweet;
  1611.             }
  1612.             verbose && console.log("[ujs][parseTweetJson] tweetResult", tweetResult, JSON.stringify(tweetResult));
  1613.             const tweetUser   = tweetResult.core.user_results.result; // {"__typename": "User"}
  1614.             const tweetLegacy = tweetResult.legacy;
  1615.             verbose && console.log("[ujs][parseTweetJson] tweetLegacy", tweetLegacy, JSON.stringify(tweetLegacy));
  1616.             verbose && console.log("[ujs][parseTweetJson] tweetUser", tweetUser, JSON.stringify(tweetUser));
  1617.             return {tweetResult, tweetLegacy, tweetUser};
  1618.         }
  1619.  
  1620.         /**
  1621.          * @typedef {Object} TweetMediaEntry
  1622.          * @property {string} screen_name - "kreamu"
  1623.          * @property {string} tweet_id - "1687962620173733890"
  1624.          * @property {string} download_url - "https://pbs.twimg.com/media/FWYvXNMXgAA7se2?format=jpg&name=orig"
  1625.          * @property {"photo" | "video"} type - "photo"
  1626.          * @property {"photo" | "video" | "animated_gif"} type_original - "photo"
  1627.          * @property {number} index - 0
  1628.          * @property {number} type_index - 0
  1629.          * @property {number} type_index_original - 0
  1630.          * @property {string} preview_url - "https://pbs.twimg.com/media/FWYvXNMXgAA7se2.jpg"
  1631.          * @property {string} media_id  -   "1687949851516862464"
  1632.          * @property {string} media_key - "7_1687949851516862464"
  1633.          * @property {string} expanded_url - "https://twitter.com/kreamu/status/1687962620173733890/video/1"
  1634.          * @property {string} short_expanded_url - "pic.twitter.com/KeXR8T910R"
  1635.          * @property {string} short_tweet_url - "https://t.co/KeXR8T910R"
  1636.          * @property {string} tweet_text - "Tracer providing some In-flight entertainment"
  1637.          */
  1638.         /** @returns {TweetMediaEntry[]} */
  1639.         static parseTweetLegacyMedias(tweetResult, tweetLegacy, tweetUser) {
  1640.             if (!tweetLegacy.extended_entities || !tweetLegacy.extended_entities.media) {
  1641.                 return [];
  1642.             }
  1643.  
  1644.             const medias = [];
  1645.             const typeIndex = {}; // "photo", "video", "animated_gif"
  1646.             let index = -1;
  1647.  
  1648.             for (const media of tweetLegacy.extended_entities.media) {
  1649.                 index++;
  1650.                 let   type          = media.type;
  1651.                 const type_original = media.type;
  1652.                 typeIndex[type] = (typeIndex[type] === undefined ? -1 : typeIndex[type]) + 1;
  1653.                 if (type === "animated_gif") {
  1654.                     type = "video";
  1655.                     typeIndex[type] = (typeIndex[type] === undefined ? -1 : typeIndex[type]) + 1;
  1656.                 }
  1657.  
  1658.                 let download_url;
  1659.                 if (media.video_info) {
  1660.                     const videoInfo = media.video_info.variants
  1661.                         .filter(el => el.bitrate !== undefined) // if content_type: "application/x-mpegURL" // .m3u8
  1662.                         .reduce((acc, cur) => cur.bitrate > acc.bitrate ? cur : acc);
  1663.                     download_url = videoInfo.url;
  1664.                 } else {
  1665.                     if (media.media_url_https.includes("?format=")) {
  1666.                         download_url = media.media_url_https;
  1667.                     } else {
  1668.                         // "https://pbs.twimg.com/media/FWYvXNMXgAA7se2.jpg" -> "https://pbs.twimg.com/media/FWYvXNMXgAA7se2?format=jpg&name=orig"
  1669.                         const parts = media.media_url_https.split(".");
  1670.                         const ext = parts[parts.length - 1];
  1671.                         const urlPart = parts.slice(0, -1).join(".");
  1672.                         download_url = `${urlPart}?format=${ext}&name=orig`;
  1673.                     }
  1674.                 }
  1675.  
  1676.                 const screen_name   = tweetUser.legacy.screen_name;              // "kreamu"
  1677.                 const tweet_id      = tweetResult.rest_id || tweetLegacy.id_str; // "1687962620173733890"
  1678.  
  1679.                 const type_index          = typeIndex[type];          // 0
  1680.                 const type_index_original = typeIndex[type_original]; // 0
  1681.  
  1682.                 const preview_url = media.media_url_https; // "https://pbs.twimg.com/ext_tw_video_thumb/1687949851516862464/pu/img/mTBjwz--nylYk5Um.jpg"
  1683.                 const media_id    = media.id_str;          //   "1687949851516862464"
  1684.                 const media_key   = media.media_key;       // "7_1687949851516862464"
  1685.  
  1686.                 const expanded_url       = media.expanded_url; // "https://twitter.com/kreamu/status/1687962620173733890/video/1"
  1687.                 const short_expanded_url = media.display_url;  // "pic.twitter.com/KeXR8T910R"
  1688.                 const short_tweet_url    = media.url;          // "https://t.co/KeXR8T910R"
  1689.                 const tweet_text = tweetLegacy.full_text       // "Tracer providing some In-flight entertainment https://t.co/KeXR8T910R"
  1690.                                               .replace(` ${media.url}`, "");
  1691.  
  1692.                 // {screen_name, tweet_id, download_url, preview_url, type_index}
  1693.                 /** @type {TweetMediaEntry} */
  1694.                 const mediaEntry = {
  1695.                     screen_name, tweet_id,
  1696.                     download_url, type, type_original, index,
  1697.                     type_index, type_index_original,
  1698.                     preview_url, media_id, media_key,
  1699.                     expanded_url, short_expanded_url, short_tweet_url, tweet_text,
  1700.                 };
  1701.                 medias.push(mediaEntry);
  1702.             }
  1703.  
  1704.             verbose && console.log("[ujs][parseTweetLegacyMedias] medias", medias);
  1705.             return medias;
  1706.         }
  1707.  
  1708.         static async getTweetMedias(tweetId) {
  1709.             const tweetJson = await API.getTweetJson(tweetId);
  1710.             const {tweetResult, tweetLegacy, tweetUser} = API.parseTweetJson(tweetJson, tweetId);
  1711.  
  1712.             let result = API.parseTweetLegacyMedias(tweetResult, tweetLegacy, tweetUser);
  1713.  
  1714.             if (tweetResult.quoted_status_result && tweetResult.quoted_status_result.result /* check is the qouted tweet not deleted */) {
  1715.                 const tweetResultQuoted = tweetResult.quoted_status_result.result;
  1716.                 const tweetLegacyQuoted = tweetResultQuoted.legacy;
  1717.                 const tweetUserQuoted   = tweetResultQuoted.core.user_results.result;
  1718.                 result = [...result, ...API.parseTweetLegacyMedias(tweetResultQuoted, tweetLegacyQuoted, tweetUserQuoted)];
  1719.             }
  1720.  
  1721.             return result;
  1722.         }
  1723.  
  1724.  
  1725.         // todo: keep `queryId` updated
  1726.         // https://github.com/fa0311/TwitterInternalAPIDocument/blob/master/docs/json/API.json
  1727.         static TweetDetailQueryId      = "xOhkmRac04YFZmOzU9PJHg"; // TweetDetail      (for videos)
  1728.         static UserByScreenNameQueryId = "G3KGOASz96M-Qu0nwmGXNg"; // UserByScreenName (for the direct user profile url)
  1729.  
  1730.         static createTweetJsonEndpointUrl(tweetId) {
  1731.             const variables = {
  1732.                 "focalTweetId": tweetId,
  1733.                 "with_rux_injections": false,
  1734.                 "includePromotedContent": true,
  1735.                 "withCommunity": true,
  1736.                 "withQuickPromoteEligibilityTweetFields": true,
  1737.                 "withBirdwatchNotes": true,
  1738.                 "withVoice": true,
  1739.                 "withV2Timeline": true
  1740.             };
  1741.             const features = {
  1742.                 "rweb_lists_timeline_redesign_enabled": true,
  1743.                 "responsive_web_graphql_exclude_directive_enabled": true,
  1744.                 "verified_phone_label_enabled": false,
  1745.                 "creator_subscriptions_tweet_preview_api_enabled": true,
  1746.                 "responsive_web_graphql_timeline_navigation_enabled": true,
  1747.                 "responsive_web_graphql_skip_user_profile_image_extensions_enabled": false,
  1748.                 "tweetypie_unmention_optimization_enabled": true,
  1749.                 "responsive_web_edit_tweet_api_enabled": true,
  1750.                 "graphql_is_translatable_rweb_tweet_is_translatable_enabled": true,
  1751.                 "view_counts_everywhere_api_enabled": true,
  1752.                 "longform_notetweets_consumption_enabled": true,
  1753.                 "responsive_web_twitter_article_tweet_consumption_enabled": false,
  1754.                 "tweet_awards_web_tipping_enabled": false,
  1755.                 "freedom_of_speech_not_reach_fetch_enabled": true,
  1756.                 "standardized_nudges_misinfo": true,
  1757.                 "tweet_with_visibility_results_prefer_gql_limited_actions_policy_enabled": true,
  1758.                 "longform_notetweets_rich_text_read_enabled": true,
  1759.                 "longform_notetweets_inline_media_enabled": true,
  1760.                 "responsive_web_media_download_video_enabled": false,
  1761.                 "responsive_web_enhance_cards_enabled": false
  1762.             };
  1763.             const fieldToggles = {
  1764.                 "withArticleRichContentState": false
  1765.             };
  1766.  
  1767.             const urlBase = `https://${sitename}.com/i/api/graphql/${API.TweetDetailQueryId}/TweetDetail`;
  1768.             const urlObj = new URL(urlBase);
  1769.             urlObj.searchParams.set("variables", JSON.stringify(variables));
  1770.             urlObj.searchParams.set("features", JSON.stringify(features));
  1771.             urlObj.searchParams.set("fieldToggles", JSON.stringify(fieldToggles));
  1772.             const url = urlObj.toString();
  1773.             return url;
  1774.         }
  1775.  
  1776.         static async getUserInfo(username) {
  1777.             const variables = JSON.stringify({
  1778.                 "screen_name": username,
  1779.                 "withSafetyModeUserFields": true,
  1780.                 "withSuperFollowsUserFields": true
  1781.             });
  1782.             const url = `https://${sitename}.com/i/api/graphql/${API.UserByScreenNameQueryId}/UserByScreenName?variables=${encodeURIComponent(variables)}`;
  1783.             const json = await API.apiRequest(url);
  1784.             verbose && console.log("[ujs][getUserInfo][json]", json);
  1785.             return json.data.user.result.legacy.entities.url?.urls[0].expanded_url;
  1786.         }
  1787.     }
  1788.  
  1789.     return API;
  1790. }
  1791.  
  1792. function getHistoryHelper() {
  1793.     function migrateLocalStore() {
  1794.         // 2023.07.05 // todo: uncomment after two+ months
  1795.         // Currently I disable it for cases if some browser's tabs uses the old version of the script.
  1796.         // const migrated = localStorage.getItem(StorageNames.migrated);
  1797.         // if (migrated === "true") {
  1798.         //     return;
  1799.         // }
  1800.  
  1801.         const newToOldNameMap = [
  1802.             [StorageNames.settings,                StorageNamesOld.settings],
  1803.             [StorageNames.settingsImageHistoryBy,  StorageNamesOld.settingsImageHistoryBy],
  1804.             [StorageNames.downloadedImageNames,    StorageNamesOld.downloadedImageNames],
  1805.             [StorageNames.downloadedImageTweetIds, StorageNamesOld.downloadedImageTweetIds],
  1806.             [StorageNames.downloadedVideoTweetIds, StorageNamesOld.downloadedVideoTweetIds],
  1807.         ];
  1808.  
  1809.         /**
  1810.          * @param {string} newName
  1811.          * @param {string} oldName
  1812.          * @param {string} value
  1813.          */
  1814.         function setValue(newName, oldName, value) {
  1815.             try {
  1816.                 localStorage.setItem(newName, value);
  1817.             } catch (err) {
  1818.                 localStorage.removeItem(oldName); // if there is no space ("exceeded the quota")
  1819.                 localStorage.setItem(newName, value);
  1820.             }
  1821.             localStorage.removeItem(oldName);
  1822.         }
  1823.  
  1824.         function mergeOldWithNew({newName, oldName}) {
  1825.             const oldValueStr = localStorage.getItem(oldName);
  1826.             if (oldValueStr === null) {
  1827.                 return;
  1828.             }
  1829.             const newValueStr = localStorage.getItem(newName);
  1830.             if (newValueStr === null) {
  1831.                 setValue(newName, oldName, oldValueStr);
  1832.                 return;
  1833.             }
  1834.             try {
  1835.                 const oldValue = JSON.parse(oldValueStr);
  1836.                 const newValue = JSON.parse(newValueStr);
  1837.                 if (Array.isArray(oldValue) && Array.isArray(newValue)) {
  1838.                     const resultArray = [...new Set([...newValue, ...oldValue])];
  1839.                     const resultArrayStr = JSON.stringify(resultArray);
  1840.                     setValue(newName, oldName, resultArrayStr);
  1841.                 }
  1842.             } catch (err) {
  1843.                 // return;
  1844.             }
  1845.         }
  1846.  
  1847.         for (const [newName, oldName] of newToOldNameMap) {
  1848.             mergeOldWithNew({newName, oldName});
  1849.         }
  1850.         // localStorage.setItem(StorageNames.migrated, "true");
  1851.     }
  1852.  
  1853.     function exportHistory(onDone) {
  1854.         const exportObject = [
  1855.             StorageNames.settings,
  1856.             StorageNames.settingsImageHistoryBy,
  1857.             StorageNames.downloadedImageNames,    // only if "settingsImageHistoryBy" === "IMAGE_NAME" (by default)
  1858.             StorageNames.downloadedImageTweetIds, // only if "settingsImageHistoryBy" === "TWEET_ID" (need to set manually with DevTools)
  1859.             StorageNames.downloadedVideoTweetIds,
  1860.         ].reduce((acc, name) => {
  1861.             const valueStr = localStorage.getItem(name);
  1862.             if (valueStr === null) {
  1863.                 return acc;
  1864.             }
  1865.             let value = JSON.parse(valueStr);
  1866.             if (Array.isArray(value)) {
  1867.                 value = [...new Set(value)];
  1868.             }
  1869.             acc[name] = value;
  1870.             return acc;
  1871.         }, {});
  1872.         const browserName = localStorage.getItem(StorageNames.browserName) || getBrowserName();
  1873.         const browserLine = browserName ? "-" + browserName : "";
  1874.  
  1875.         downloadBlob(new Blob([toLineJSON(exportObject, true)]), `ujs-twitter-click-n-save-export-${dateToDayDateString(new Date())}${browserLine}.json`);
  1876.         onDone();
  1877.     }
  1878.  
  1879.     function verify(jsonObject) {
  1880.         if (Array.isArray(jsonObject)) {
  1881.             throw new Error("Wrong object! JSON contains an array.");
  1882.         }
  1883.         if (Object.keys(jsonObject).some(key => !key.startsWith("ujs-twitter-click-n-save"))) {
  1884.             throw new Error("Wrong object! The keys should start with 'ujs-twitter-click-n-save'.");
  1885.         }
  1886.     }
  1887.  
  1888.     function importHistory(onDone, onError) {
  1889.         const importInput = document.createElement("input");
  1890.         importInput.type = "file";
  1891.         importInput.accept = "application/json";
  1892.         importInput.style.display = "none";
  1893.         document.body.prepend(importInput);
  1894.         importInput.addEventListener("change", async _event => {
  1895.             let json;
  1896.             try {
  1897.                 json = JSON.parse(await importInput.files[0].text());
  1898.                 verify(json);
  1899.  
  1900.                 Object.entries(json).forEach(([key, value]) => {
  1901.                     if (Array.isArray(value)) {
  1902.                         value = [...new Set(value)];
  1903.                     }
  1904.                     localStorage.setItem(key, JSON.stringify(value));
  1905.                 });
  1906.                 onDone();
  1907.             } catch (err) {
  1908.                 onError(err);
  1909.             } finally {
  1910.                 await sleep(1000);
  1911.                 importInput.remove();
  1912.             }
  1913.         });
  1914.         importInput.click();
  1915.     }
  1916.  
  1917.     function mergeHistory(onDone, onError) { // Only merges arrays
  1918.         const mergeInput = document.createElement("input");
  1919.         mergeInput.type = "file";
  1920.         mergeInput.accept = "application/json";
  1921.         mergeInput.style.display = "none";
  1922.         document.body.prepend(mergeInput);
  1923.         mergeInput.addEventListener("change", async _event => {
  1924.             let json;
  1925.             try {
  1926.                 json = JSON.parse(await mergeInput.files[0].text());
  1927.                 verify(json);
  1928.                 Object.entries(json).forEach(([key, value]) => {
  1929.                     if (!Array.isArray(value)) {
  1930.                         return;
  1931.                     }
  1932.                     const existedValue = JSON.parse(localStorage.getItem(key));
  1933.                     if (Array.isArray(existedValue)) {
  1934.                         const resultValue = [...new Set([...existedValue, ...value])];
  1935.                         localStorage.setItem(key, JSON.stringify(resultValue));
  1936.                     } else {
  1937.                         localStorage.setItem(key, JSON.stringify(value));
  1938.                     }
  1939.                 });
  1940.                 onDone();
  1941.             } catch (err) {
  1942.                 onError(err);
  1943.             } finally {
  1944.                 await sleep(1000);
  1945.                 mergeInput.remove();
  1946.             }
  1947.         });
  1948.         mergeInput.click();
  1949.     }
  1950.  
  1951.     return {exportHistory, importHistory, mergeHistory, migrateLocalStore};
  1952. }
  1953.  
  1954. // ---------------------------------------------------------------------------------------------------------------------
  1955. // ---------------------------------------------------------------------------------------------------------------------
  1956. // --- Common Utils --- //
  1957.  
  1958. // --- LocalStorage util class --- //
  1959. function hoistLS(settings = {}) {
  1960.     const {
  1961.         verbose, // debug "messages" in the document.title
  1962.     } = settings;
  1963.  
  1964.     class LS {
  1965.         constructor(name) {
  1966.             this.name = name;
  1967.         }
  1968.         getItem(defaultValue) {
  1969.             return LS.getItem(this.name, defaultValue);
  1970.         }
  1971.         setItem(value) {
  1972.             LS.setItem(this.name, value);
  1973.         }
  1974.         removeItem() {
  1975.             LS.removeItem(this.name);
  1976.         }
  1977.         async pushItem(value) {  // array method
  1978.             await LS.pushItem(this.name, value);
  1979.         }
  1980.         async popItem(value) {   // array method
  1981.             await LS.popItem(this.name, value);
  1982.         }
  1983.         hasItem(value) {         // array method
  1984.             return LS.hasItem(this.name, value);
  1985.         }
  1986.  
  1987.         static getItem(name, defaultValue) {
  1988.             const value = localStorage.getItem(name);
  1989.             if (value === undefined) {
  1990.                 return undefined;
  1991.             }
  1992.             if (value === null) { // when there is no such item
  1993.                 LS.setItem(name, defaultValue);
  1994.                 return defaultValue;
  1995.             }
  1996.             return JSON.parse(value);
  1997.         }
  1998.         static setItem(name, value) {
  1999.             localStorage.setItem(name, JSON.stringify(value));
  2000.         }
  2001.         static removeItem(name) {
  2002.             localStorage.removeItem(name);
  2003.         }
  2004.         static async pushItem(name, value) {
  2005.             const array = LS.getItem(name, []);
  2006.             array.push(value);
  2007.             LS.setItem(name, array);
  2008.  
  2009.             //sanity check
  2010.             await sleep(50);
  2011.             if (!LS.hasItem(name, value)) {
  2012.                 if (verbose) {
  2013.                     document.title = "🟥" + document.title;
  2014.                 }
  2015.                 await LS.pushItem(name, value);
  2016.             }
  2017.         }
  2018.         static async popItem(name, value) { // remove from an array
  2019.             const array = LS.getItem(name, []);
  2020.             if (array.indexOf(value) !== -1) {
  2021.                 array.splice(array.indexOf(value), 1);
  2022.                 LS.setItem(name, array);
  2023.  
  2024.                 //sanity check
  2025.                 await sleep(50);
  2026.                 if (LS.hasItem(name, value)) {
  2027.                     if (verbose) {
  2028.                         document.title = "🟨" + document.title;
  2029.                     }
  2030.                     await LS.popItem(name, value);
  2031.                 }
  2032.             }
  2033.         }
  2034.         static hasItem(name, value) { // has in array
  2035.             const array = LS.getItem(name, []);
  2036.             return array.indexOf(value) !== -1;
  2037.         }
  2038.     }
  2039.  
  2040.     return LS;
  2041. }
  2042.  
  2043. // --- Just groups them in a function for the convenient code looking --- //
  2044. function getUtils({verbose}) {
  2045.     function sleep(time) {
  2046.         return new Promise(resolve => setTimeout(resolve, time));
  2047.     }
  2048.  
  2049.     async function fetchResource(url, onProgress = props => console.log(props)) {
  2050.         try {
  2051.             /** @type {Response} */
  2052.             let response = await fetch(url, {
  2053.                 // cache: "force-cache",
  2054.             });
  2055.             const lastModifiedDateSeconds = response.headers.get("last-modified");
  2056.             const contentType = response.headers.get("content-type");
  2057.  
  2058.             const lastModifiedDate = dateToDayDateString(lastModifiedDateSeconds);
  2059.             const extension = contentType ? extensionFromMime(contentType) : null;
  2060.  
  2061.             if (onProgress) {
  2062.                 response = responseProgressProxy(response, onProgress);
  2063.             }
  2064.  
  2065.             const blob = await response.blob();
  2066.  
  2067.             // https://pbs.twimg.com/media/AbcdEFgijKL01_9?format=jpg&name=orig                                     -> AbcdEFgijKL01_9
  2068.             // https://pbs.twimg.com/ext_tw_video_thumb/1234567890123456789/pu/img/Ab1cd2345EFgijKL.jpg?name=orig   -> Ab1cd2345EFgijKL.jpg
  2069.             // https://video.twimg.com/ext_tw_video/1234567890123456789/pu/vid/946x720/Ab1cd2345EFgijKL.mp4?tag=10  -> Ab1cd2345EFgijKL.mp4
  2070.             const _url = new URL(url);
  2071.             const {filename} = (_url.origin + _url.pathname).match(/(?<filename>[^\/]+$)/).groups;
  2072.  
  2073.             const {name} = filename.match(/(?<name>^[^.]+)/).groups;
  2074.             return {blob, lastModifiedDate, contentType, extension, name, status: response.status};
  2075.         } catch (error) {
  2076.             verbose && console.error("[ujs][fetchResource]", url);
  2077.             verbose && console.error("[ujs][fetchResource]", error);
  2078.             throw error;
  2079.         }
  2080.     }
  2081.  
  2082.     function extensionFromMime(mimeType) {
  2083.         let extension = mimeType.match(/(?<=\/).+/)[0];
  2084.         extension = extension === "jpeg" ? "jpg" : extension;
  2085.         return extension;
  2086.     }
  2087.  
  2088.     // the original download url will be posted as hash of the blob url, so you can check it in the download manager's history
  2089.     function downloadBlob(blob, name, url) {
  2090.         const anchor = document.createElement("a");
  2091.         anchor.setAttribute("download", name || "");
  2092.         const blobUrl = URL.createObjectURL(blob);
  2093.         anchor.href = blobUrl + (url ? ("#" + url) : "");
  2094.         anchor.click();
  2095.         setTimeout(() => URL.revokeObjectURL(blobUrl), 30000);
  2096.     }
  2097.  
  2098.     // "Sun, 10 Jan 2021 22:22:22 GMT" -> "2021.01.10"
  2099.     function dateToDayDateString(dateValue, utc = true) {
  2100.         const _date = new Date(dateValue);
  2101.         function pad(str) {
  2102.             return str.toString().padStart(2, "0");
  2103.         }
  2104.         const _utc = utc ? "UTC" : "";
  2105.         const year  = _date[`get${_utc}FullYear`]();
  2106.         const month = _date[`get${_utc}Month`]() + 1;
  2107.         const date  = _date[`get${_utc}Date`]();
  2108.  
  2109.         return year + "." + pad(month) + "." + pad(date);
  2110.     }
  2111.  
  2112.     function addCSS(css) {
  2113.         const styleElem = document.createElement("style");
  2114.         styleElem.textContent = css;
  2115.         document.body.append(styleElem);
  2116.         return styleElem;
  2117.     }
  2118.  
  2119.     function getCookie(name) {
  2120.         verbose && console.log("[ujs][getCookie]", document.cookie);
  2121.         const regExp = new RegExp(`(?<=${name}=)[^;]+`);
  2122.         return document.cookie.match(regExp)?.[0];
  2123.     }
  2124.  
  2125.     function throttle(runnable, time = 50) {
  2126.         let waiting = false;
  2127.         let queued = false;
  2128.         let context;
  2129.         let args;
  2130.  
  2131.         return function() {
  2132.             if (!waiting) {
  2133.                 waiting = true;
  2134.                 setTimeout(function() {
  2135.                     if (queued) {
  2136.                         runnable.apply(context, args);
  2137.                         context = args = undefined;
  2138.                     }
  2139.                     waiting = queued = false;
  2140.                 }, time);
  2141.                 return runnable.apply(this, arguments);
  2142.             } else {
  2143.                 queued = true;
  2144.                 context = this;
  2145.                 args = arguments;
  2146.             }
  2147.         }
  2148.     }
  2149.  
  2150.     function throttleWithResult(func, time = 50) {
  2151.         let waiting = false;
  2152.         let args;
  2153.         let context;
  2154.         let timeout;
  2155.         let promise;
  2156.  
  2157.         return async function() {
  2158.             if (!waiting) {
  2159.                 waiting = true;
  2160.                 timeout = new Promise(async resolve => {
  2161.                     await sleep(time);
  2162.                     waiting = false;
  2163.                     resolve();
  2164.                 });
  2165.                 return func.apply(this, arguments);
  2166.             } else {
  2167.                 args = arguments;
  2168.                 context = this;
  2169.             }
  2170.  
  2171.             if (!promise) {
  2172.                 promise = new Promise(async resolve => {
  2173.                     await timeout;
  2174.                     const result = func.apply(context, args);
  2175.                     args = context = promise = undefined;
  2176.                     resolve(result);
  2177.                 });
  2178.             }
  2179.             return promise;
  2180.         }
  2181.     }
  2182.  
  2183.     function xpath(path, node = document) {
  2184.         let xPathResult = document.evaluate(path, node, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null);
  2185.         return xPathResult.singleNodeValue;
  2186.     }
  2187.     function xpathAll(path, node = document) {
  2188.         let xPathResult = document.evaluate(path, node, null, XPathResult.ORDERED_NODE_ITERATOR_TYPE, null);
  2189.         const nodes = [];
  2190.         try {
  2191.             let node = xPathResult.iterateNext();
  2192.  
  2193.             while (node) {
  2194.                 nodes.push(node);
  2195.                 node = xPathResult.iterateNext();
  2196.             }
  2197.             return nodes;
  2198.         } catch (err) {
  2199.             // todo need investigate it
  2200.             console.error(err); // "The document has mutated since the result was returned."
  2201.             return [];
  2202.         }
  2203.     }
  2204.  
  2205.     const identityContentEncodings = new Set([null, "identity", "no encoding"]);
  2206.     function getOnProgressProps(response) {
  2207.         const {headers, status, statusText, url, redirected, ok} = response;
  2208.         const isIdentity = identityContentEncodings.has(headers.get("Content-Encoding"));
  2209.         const compressed = !isIdentity;
  2210.         const _contentLength = parseInt(headers.get("Content-Length")); // `get()` returns `null` if no header present
  2211.         const contentLength = isNaN(_contentLength) ? null : _contentLength;
  2212.         const lengthComputable = isIdentity && _contentLength !== null;
  2213.  
  2214.         // Original XHR behaviour; in TM it equals to `contentLength`, or `-1` if `contentLength` is `null` (and `0`?).
  2215.         const total = lengthComputable ? contentLength : 0;
  2216.         const gmTotal = contentLength > 0 ? contentLength : -1; // Like `total` is in TM and GM.
  2217.  
  2218.         return {
  2219.             gmTotal, total, lengthComputable,
  2220.             compressed, contentLength,
  2221.             headers, status, statusText, url, redirected, ok
  2222.         };
  2223.     }
  2224.     function responseProgressProxy(response, onProgress) {
  2225.         const onProgressProps = getOnProgressProps(response);
  2226.         let loaded = 0;
  2227.         const reader = response.body.getReader();
  2228.         const readableStream = new ReadableStream({
  2229.             async start(controller) {
  2230.                 while (true) {
  2231.                     const {done, /** @type {Uint8Array} */ value} = await reader.read();
  2232.                     if (done) {
  2233.                         break;
  2234.                     }
  2235.                     loaded += value.length;
  2236.                     try {
  2237.                         onProgress({loaded, ...onProgressProps});
  2238.                     } catch (err) {
  2239.                         console.error("[ujs][onProgress]:", err);
  2240.                     }
  2241.                     controller.enqueue(value);
  2242.                 }
  2243.                 controller.close();
  2244.                 reader.releaseLock();
  2245.             },
  2246.             cancel() {
  2247.                 void reader.cancel();
  2248.             }
  2249.         });
  2250.         return new ResponseEx(readableStream, response);
  2251.     }
  2252.     class ResponseEx extends Response {
  2253.         [Symbol.toStringTag] = "ResponseEx";
  2254.  
  2255.         constructor(body, {headers, status, statusText, url, redirected, type, ok}) {
  2256.             super(body, {
  2257.                 status, statusText, headers: {
  2258.                     ...headers,
  2259.                     "content-type": headers.get("content-type")?.split("; ")[0] // Fixes Blob type ("text/html; charset=UTF-8") in TM
  2260.                 }
  2261.             });
  2262.             this._type = type;
  2263.             this._url = url;
  2264.             this._redirected = redirected;
  2265.             this._ok = ok;
  2266.             this._headers = headers; // `HeadersLike` is more user-friendly for debug than the original `Headers` object
  2267.         }
  2268.         get redirected() { return this._redirected; }
  2269.         get url() { return this._url; }
  2270.         get type() { return this._type || "basic"; }
  2271.         get ok() { return this._ok; }
  2272.         /** @returns {Headers} - `Headers`-like object */
  2273.         get headers() { return this._headers; }
  2274.     }
  2275.  
  2276.     function toLineJSON(object, prettyHead = false) {
  2277.         let result = "{\n";
  2278.         const entries = Object.entries(object);
  2279.         const length = entries.length;
  2280.         if (prettyHead && length > 0) {
  2281.             result += `"${entries[0][0]}":${JSON.stringify(entries[0][1], null, " ")}`;
  2282.             if (length > 1) {
  2283.                 result += `,\n\n`;
  2284.             }
  2285.         }
  2286.         for (let i = 1; i < length - 1; i++) {
  2287.             result += `"${entries[i][0]}":${JSON.stringify(entries[i][1])},\n`;
  2288.         }
  2289.         if (length > 0 && !prettyHead || length > 1) {
  2290.             result += `"${entries[length - 1][0]}":${JSON.stringify(entries[length - 1][1])}`;
  2291.         }
  2292.         result += `\n}`;
  2293.         return result;
  2294.     }
  2295.  
  2296.     const isFirefox = navigator.userAgent.toLowerCase().indexOf("firefox") !== -1;
  2297.  
  2298.     function getBrowserName() {
  2299.         const userAgent = window.navigator.userAgent.toLowerCase();
  2300.         return userAgent.indexOf("edge") > -1 ? "edge-legacy"
  2301.             : userAgent.indexOf("edg") > -1 ? "edge"
  2302.             : userAgent.indexOf("opr") > -1 && !!window.opr ? "opera"
  2303.             : userAgent.indexOf("chrome") > -1 && !!window.chrome ? "chrome"
  2304.             : userAgent.indexOf("firefox") > -1 ? "firefox"
  2305.             : userAgent.indexOf("safari") > -1 ? "safari"
  2306.             : "";
  2307.     }
  2308.  
  2309.     function removeSearchParams(url) {
  2310.         const urlObj = new URL(url);
  2311.         const keys = []; // FF + VM fix // Instead of [...urlObj.searchParams.keys()]
  2312.         urlObj.searchParams.forEach((v, k) => { keys.push(k); });
  2313.         for (const key of keys) {
  2314.             urlObj.searchParams.delete(key);
  2315.         }
  2316.         return urlObj.toString();
  2317.     }
  2318.  
  2319.     return {
  2320.         sleep, fetchResource, extensionFromMime, downloadBlob, dateToDayDateString,
  2321.         addCSS,
  2322.         getCookie,
  2323.         throttle, throttleWithResult,
  2324.         xpath, xpathAll,
  2325.         responseProgressProxy,
  2326.         toLineJSON,
  2327.         isFirefox,
  2328.         getBrowserName,
  2329.         removeSearchParams,
  2330.     }
  2331. }
  2332.  
  2333. // ---------------------------------------------------------------------------------------------------------------------
  2334. // ---------------------------------------------------------------------------------------------------------------------