☰

Twitter Click'n'Save

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

当前为 2024-05-17 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name        Twitter Click'n'Save
  3. // @version     1.10.1-2024.05.17
  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.     width: 100%;
  239.     height: 100%;
  240.     position: fixed;
  241.     display: flex;
  242.     justify-content: center;
  243.     align-items: center;
  244.     z-index: 99999;
  245.     backdrop-filter: blur(4px);
  246.     background-color: rgba(255, 255, 255, 0.5);
  247.   `;
  248.     const modalSettingsStyle = `
  249.     background-color: white;
  250.     min-width: 320px;
  251.     min-height: 320px;
  252.     border: 1px solid darkgray;
  253.     padding: 8px;
  254.     box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  255.   `;
  256.     const s = settings;
  257.     const downloadProgressFFTitle = `Disable the download progress if you use Firefox with "Enhanced Tracking Protection" set to "Strict" and ViolentMonkey, or GreaseMonkey extension`;
  258.     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.`;
  259.     document.body.insertAdjacentHTML("afterbegin", `
  260.   <div class="ujs-modal-wrapper" style="${modalWrapperStyle}">
  261.       <div class="ujs-modal-settings" style="${modalSettingsStyle}">
  262.           <fieldset>
  263.               <legend>Optional</legend>
  264.               <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>
  265.               <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>
  266.               <label><input type="checkbox" ${s.hideTrends ? "checked" : ""} name="hideTrends">Hide <b>Trends</b> (in the right column)*<br/></label>
  267.               <label hidden><input type="checkbox" ${s.doNotPlayVideosAutomatically ? "checked" : ""} name="doNotPlayVideosAutomatically">Do <i>Not</i> Play Videos Automatically</b><br/></label>
  268.               <label hidden><input type="checkbox" ${s.goFromMobileToMainSite ? "checked" : ""} name="goFromMobileToMainSite">Redirect from Mobile version (beta)<br/></label>
  269.           </fieldset>
  270.           <fieldset>
  271.               <legend>Recommended</legend>
  272.               <label><input type="checkbox" ${s.highlightVisitedLinks ? "checked" : ""} name="highlightVisitedLinks">Highlight Visited Links<br/></label>
  273.               <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>
  274.  
  275.               <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>
  276.           </fieldset>
  277.           <fieldset>
  278.               <legend>Highly Recommended</legend>
  279.               <label><input type="checkbox" ${s.directLinks ? "checked" : ""} name="directLinks">Direct Links</label><br/>
  280.               <label><input type="checkbox" ${s.handleTitle ? "checked" : ""} name="handleTitle">Enchance Title*<br/></label>
  281.           </fieldset>
  282.           <fieldset ${isFirefox ? '': 'style="display: none"'}>
  283.               <legend>Firefox only</legend>
  284.               <label title='${downloadProgressFFTitle}'><input type="radio" ${s.downloadProgress ? "checked" : ""} name="firefoxDownloadProgress" value="downloadProgress">Download Progress<br/></label>
  285.               <label title='${strictTrackingProtectionFixFFTitle}'><input type="radio" ${s.strictTrackingProtectionFix ? "checked" : ""} name="firefoxDownloadProgress" value="strictTrackingProtectionFix">Strict Tracking Protection Fix<br/></label>
  286.           </fieldset>
  287.           <fieldset>
  288.               <legend>Main</legend>
  289.               <label><input type="checkbox" ${s.imagesHandler ? "checked" : ""} name="imagesHandler">Image Download Button<br/></label>
  290.               <label><input type="checkbox" ${s.videoHandler ? "checked" : ""} name="videoHandler">Video Download Button<br/></label>
  291.               <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 -->
  292.           </fieldset>
  293.           <fieldset>
  294.               <legend title="Outdated due to Twitter's updates, or impossible to reimplement">Outdated</legend>
  295.               <strike>
  296.  
  297.               <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>
  298.               <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>
  299.  
  300.               </strike>
  301.           </fieldset>
  302.           <hr>
  303.           <div style="display: flex; justify-content: space-around;">
  304.               <div>
  305.                 History:
  306.                 <button class="ujs-reload-export-button" style="padding: 5px" >Export</button>
  307.                 <button class="ujs-reload-import-button" style="padding: 5px" >Import</button>
  308.                 <button class="ujs-reload-merge-button"  style="padding: 5px" >Merge</button>
  309.               </div>
  310.               <div>
  311.                 <button class="ujs-reload-setting-button" style="padding: 5px" title="Reload the web page to apply changes">Reload page</button>
  312.                 <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>
  313.               </div>
  314.           </div>
  315.           <hr>
  316.           <h4 style="margin: 0; padding-left: 8px; color: #444;">Notes:</h4>
  317.           <ul style="margin: 2px; padding-left: 16px; color: #444;">
  318.             <li><b>Reload the page</b> to apply changes.</li>
  319.             <li><b>*</b>-marked settings are language dependent. Currently, the follow languages are supported:<br/> "en", "ru", "es", "zh", "ja".</li>
  320.             <li hidden>The extension downloads only from twitter.com, not from <b>mobile</b>.twitter.com</li>
  321.           </ul>
  322.       </div>
  323.   </div>`);
  324.  
  325.     async function onDone(button) {
  326.         button.classList.remove("ujs-btn-error");
  327.         button.classList.add("ujs-btn-done");
  328.         await sleep(900);
  329.         button.classList.remove("ujs-btn-done");
  330.     }
  331.     async function onError(button, err) {
  332.         button.classList.remove("ujs-btn-done");
  333.         button.classList.add("ujs-btn-error");
  334.         button.title = err.message;
  335.         await sleep(1800);
  336.         button.classList.remove("ujs-btn-error");
  337.     }
  338.  
  339.     const exportButton = document.querySelector("body > .ujs-modal-wrapper .ujs-reload-export-button");
  340.     const importButton = document.querySelector("body > .ujs-modal-wrapper .ujs-reload-import-button");
  341.     const mergeButton  = document.querySelector("body > .ujs-modal-wrapper .ujs-reload-merge-button");
  342.  
  343.     exportButton.addEventListener("click", (event) => {
  344.         const button = event.currentTarget;
  345.         historyHelper.exportHistory(() => onDone(button));
  346.     });
  347.     sleep(50).then(() => {
  348.         const infoObj = getStoreInfo();
  349.         exportButton.title = Object.entries(infoObj).reduce((acc, [key, value]) => {
  350.             acc += `${key}: ${value}\n`;
  351.             return acc;
  352.         }, "");
  353.     });
  354.  
  355.     importButton.addEventListener("click", (event) => {
  356.         const button = event.currentTarget;
  357.         historyHelper.importHistory(
  358.             () => onDone(button),
  359.             (err) => onError(button, err)
  360.         );
  361.     });
  362.     mergeButton.addEventListener("click", (event) => {
  363.         const button = event.currentTarget;
  364.         historyHelper.mergeHistory(
  365.             () => onDone(button),
  366.             (err) => onError(button, err)
  367.         );
  368.     });
  369.  
  370.     document.querySelector("body > .ujs-modal-wrapper .ujs-reload-setting-button").addEventListener("click", () => {
  371.         location.reload();
  372.     });
  373.  
  374.     const checkboxList = document.querySelectorAll("body > .ujs-modal-wrapper input[type=checkbox], body > .ujs-modal-wrapper input[type=radio]");
  375.     checkboxList.forEach(checkbox => {
  376.         checkbox.addEventListener("change", saveSetting);
  377.     });
  378.  
  379.     document.querySelector("body > .ujs-modal-wrapper .ujs-close-setting-button").addEventListener("click", closeSetting);
  380.  
  381.     function saveSetting() {
  382.         const entries = [...document.querySelectorAll("body > .ujs-modal-wrapper input[type=checkbox]")]
  383.             .map(checkbox => [checkbox.name, checkbox.checked]);
  384.         const radioEntries = [...document.querySelectorAll("body > .ujs-modal-wrapper input[type=radio]")]
  385.             .map(checkbox => [checkbox.value, checkbox.checked])
  386.         const settings = Object.fromEntries([entries, radioEntries].flat());
  387.         // verbose && console.log("[ujs][save-settings]", settings);
  388.         localStorage.setItem(StorageNames.settings, JSON.stringify(settings));
  389.     }
  390.  
  391.     function closeSetting() {
  392.         document.body.classList.remove("ujs-no-scroll");
  393.         document.body.classList.remove("ujs-scrollbar-width-margin-right");
  394.         document.querySelector("html").classList.remove("ujs-scroll-initial");
  395.         document.querySelector("body > .ujs-modal-wrapper")?.remove();
  396.     }
  397.  
  398.  
  399. }
  400.  
  401. // ---------------------------------------------------------------------------------------------------------------------
  402. // ---------------------------------------------------------------------------------------------------------------------
  403. // --- Twitter Specific code --- //
  404.  
  405. const downloadedImages        = new LS(StorageNames.downloadedImageNames);
  406. const downloadedImageTweetIds = new LS(StorageNames.downloadedImageTweetIds);
  407. const downloadedVideoTweetIds = new LS(StorageNames.downloadedVideoTweetIds);
  408.  
  409. // --- That to use for the image history --- //
  410. /** @type {"TWEET_ID" | "IMAGE_NAME"} */
  411. const imagesHistoryBy = LS.getItem(StorageNames.settingsImageHistoryBy, "IMAGE_NAME"); // Hidden settings
  412. // With "TWEET_ID" downloading of 1 image of 4 will mark all 4 images as "already downloaded"
  413. // on the next time when the tweet will appear.
  414. // "IMAGE_NAME" will count each image of a tweet, but it will take more data to store.
  415.  
  416.  
  417. // ---------------------------------------------------------------------------------------------------------------------
  418. // --- Twitter.Features --- //
  419. function hoistFeatures() {
  420.     class Features {
  421.         static createButton({url, downloaded, isVideo, isThumb, isMultiMedia}) {
  422.             const btn = document.createElement("div");
  423.             btn.innerHTML = `
  424. <div class="ujs-btn-common ujs-btn-background"></div>
  425. <div class="ujs-btn-common ujs-hover"></div>
  426. <div class="ujs-btn-common ujs-shadow"></div>
  427. <div class="ujs-btn-common ujs-progress" style="--progress: 0%"></div>
  428. <div class="ujs-btn-common ujs-btn-error-text"></div>`.slice(1);
  429.             btn.classList.add("ujs-btn-download");
  430.             if (!downloaded) {
  431.                 btn.classList.add("ujs-not-downloaded");
  432.             } else {
  433.                 btn.classList.add("ujs-already-downloaded");
  434.             }
  435.             if (isVideo) {
  436.                 btn.classList.add("ujs-video");
  437.             }
  438.             if (url) {
  439.                 btn.dataset.url = url;
  440.             }
  441.             if (isThumb) {
  442.                 btn.dataset.thumb = "true";
  443.             }
  444.             if (isMultiMedia) {
  445.                 btn.dataset.isMultiMedia = "true";
  446.             }
  447.             return btn;
  448.         }
  449.  
  450.         static _markButtonAsDownloaded(btn) {
  451.             btn.classList.remove("ujs-downloading");
  452.             btn.classList.remove("ujs-recently-downloaded");
  453.             btn.classList.add("ujs-downloaded");
  454.             btn.addEventListener("pointerenter", e => {
  455.                 btn.classList.add("ujs-recently-downloaded");
  456.             }, {once: true});
  457.         }
  458.  
  459.         // Banner/Background
  460.         static async _downloadBanner(url, btn) {
  461.             const username = location.pathname.slice(1).split("/")[0];
  462.  
  463.             btn.classList.add("ujs-downloading");
  464.  
  465.             // https://pbs.twimg.com/profile_banners/34743251/1596331248/1500x500
  466.             const {
  467.                 id, seconds, res
  468.             } = url.match(/(?<=\/profile_banners\/)(?<id>\d+)\/(?<seconds>\d+)\/(?<res>\d+x\d+)/)?.groups || {};
  469.  
  470.             const {blob, lastModifiedDate, extension, name} = await fetchResource(url);
  471.  
  472.             Features.verifyBlob(blob, url, btn);
  473.  
  474.             const filename = `[twitter][bg] ${username}—${lastModifiedDate}—${id}—${seconds}.${extension}`;
  475.             downloadBlob(blob, filename, url);
  476.  
  477.             Features._markButtonAsDownloaded(btn);
  478.         }
  479.  
  480.         static _ImageHistory = class {
  481.             static getImageNameFromUrl(url) {
  482.                 const _url = new URL(url);
  483.                 const {filename} = (_url.origin + _url.pathname).match(/(?<filename>[^\/]+$)/).groups;
  484.                 return filename.match(/^[^.]+/)[0]; // remove extension
  485.             }
  486.             static isDownloaded({id, url}) {
  487.                 if (imagesHistoryBy === "TWEET_ID") {
  488.                     return downloadedImageTweetIds.hasItem(id);
  489.                 } else if (imagesHistoryBy === "IMAGE_NAME") {
  490.                     const name = Features._ImageHistory.getImageNameFromUrl(url);
  491.                     return downloadedImages.hasItem(name);
  492.                 }
  493.             }
  494.             static async markDownloaded({id, url}) {
  495.                 if (imagesHistoryBy === "TWEET_ID") {
  496.                     await downloadedImageTweetIds.pushItem(id);
  497.                 } else if (imagesHistoryBy === "IMAGE_NAME") {
  498.                     const name = Features._ImageHistory.getImageNameFromUrl(url);
  499.                     await downloadedImages.pushItem(name);
  500.                 }
  501.             }
  502.         }
  503.         static async imagesHandler() {
  504.             verbose && console.log("[ujs][imagesHandler]");
  505.             const images = document.querySelectorAll(`img:not([data-handled]):not([src$=".svg"])`);
  506.             for (const img of images) {
  507.                 if (img.dataset.handled) {
  508.                     continue;
  509.                 }
  510.                 img.dataset.handled = "true";
  511.                 if (img.width === 0) {
  512.                     const imgOnload = new Promise(async (resolve) => {
  513.                         img.onload = resolve;
  514.                     });
  515.                     await Promise.any([imgOnload, sleep(500)]);
  516.                     await sleep(10); // to get updated img.width
  517.                 }
  518.                 if (img.width < 140) {
  519.                     continue;
  520.                 }
  521.                 verbose && console.log("[ujs][imagesHandler]", {img, img_width: img.width});
  522.  
  523.                 let anchor = img.closest("a");
  524.                 // if expanded_url (an image is _opened_ "https://twitter.com/UserName/status/1234567890123456789/photo/1" [fake-url])
  525.                 if (!anchor) {
  526.                     anchor = img.parentNode;
  527.                 }
  528.  
  529.                 const listitemEl = img.closest(`li[role="listitem"]`);
  530.                 const isThumb = Boolean(listitemEl); // isMediaThumbnail
  531.  
  532.                 if (isThumb && anchor.querySelector("svg")) {
  533.                     await Features.multiMediaThumbHandler(img);
  534.                     continue;
  535.                 }
  536.  
  537.                 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"
  538.                                    || img.src.includes("tweet_video_thumb") /* GIF thumb */;
  539.                 if (isMobileVideo) {
  540.                     await Features.mobileVideoHandler(img, isThumb);
  541.                     continue;
  542.                 }
  543.  
  544.                 const btn = Features.createButton({url: img.src, isThumb});
  545.                 btn.addEventListener("click", Features._imageClickHandler);
  546.                 anchor.append(btn);
  547.  
  548.                 const downloaded = Features._ImageHistory.isDownloaded({
  549.                     id: Tweet.of(btn).id,
  550.                     url: btn.dataset.url
  551.                 });
  552.                 if (downloaded) {
  553.                     btn.classList.add("ujs-already-downloaded");
  554.                 }
  555.             }
  556.         }
  557.         static async _imageClickHandler(event) {
  558.             event.preventDefault();
  559.             event.stopImmediatePropagation();
  560.  
  561.             const btn = event.currentTarget;
  562.             let url = btn.dataset.url;
  563.  
  564.             const isBanner = url.includes("/profile_banners/");
  565.             if (isBanner) {
  566.                 return Features._downloadBanner(url, btn);
  567.             }
  568.  
  569.             const {id, author} = Tweet.of(btn);
  570.             verbose && console.log("[ujs][_imageClickHandler]", {id, author});
  571.  
  572.             await Features._downloadPhotoMediaEntry(id, author, url, btn);
  573.             Features._markButtonAsDownloaded(btn);
  574.         }
  575.         static async _downloadPhotoMediaEntry(id, author, url, btn) {
  576.             const btnErrorTextElem = btn.querySelector(".ujs-btn-error-text");
  577.             const btnProgress = btn.querySelector(".ujs-progress");
  578.             if (btn.textContent !== "") {
  579.                 btnErrorTextElem.textContent = "";
  580.             }
  581.             btn.classList.remove("ujs-error");
  582.             btn.classList.add("ujs-downloading");
  583.  
  584.             let onProgress = null;
  585.             if (settings.downloadProgress) {
  586.                 onProgress = ({loaded, total}) => btnProgress.style.cssText = "--progress: " + loaded / total * 90 + "%";
  587.             }
  588.  
  589.             const originals = ["orig", "4096x4096"];
  590.             const samples = ["large", "medium", "900x900", "small", "360x360", /*"240x240", "120x120", "tiny"*/];
  591.             let isSample = false;
  592.             const previewSize = new URL(url).searchParams.get("name");
  593.             if (!samples.includes(previewSize)) {
  594.                 samples.push(previewSize);
  595.             }
  596.  
  597.             function handleImgUrl(url) {
  598.                 const urlObj = new URL(url);
  599.                 if (originals.length) {
  600.                     urlObj.searchParams.set("name", originals.shift());
  601.                 } else if (samples.length) {
  602.                     isSample = true;
  603.                     urlObj.searchParams.set("name", samples.shift());
  604.                 } else {
  605.                     throw new Error("All fallback URLs are failed to download.");
  606.                 }
  607.                 if (urlObj.searchParams.get("format") === "webp") {
  608.                     urlObj.searchParams.set("format", "jpg");
  609.                 }
  610.                 url = urlObj.toString();
  611.                 verbose && console.log("[ujs][handleImgUrl][url]", url);
  612.                 return url;
  613.             }
  614.  
  615.             async function safeFetchResource(url) {
  616.                 while (true) {
  617.                     url = handleImgUrl(url);
  618.                     try {
  619.                         const result = await fetchResource(url, onProgress);
  620.                         if (result.status === 404) {
  621.                             const urlObj = new URL(url);
  622.                             const params = urlObj.searchParams;
  623.                             if (params.get("name") === "orig" && params.get("format") === "jpg") {
  624.                                 params.set("format", "png");
  625.                                 url = urlObj.toString();
  626.                                 return await fetchResource(url, onProgress);
  627.                             }
  628.                         }
  629.                         return result;
  630.                     } catch (err) {
  631.                         if (!originals.length) {
  632.                             btn.classList.add("ujs-error");
  633.                             btnErrorTextElem.textContent = "";
  634.                             // Add ⚠
  635.                             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;`;
  636.                             btn.title = "[warning] Original images are not available.";
  637.                         }
  638.  
  639.                         const ffAutoAllocateChunkSizeBug = err.message.includes("autoAllocateChunkSize"); // https://bugzilla.mozilla.org/show_bug.cgi?id=1757836
  640.                         if (!samples.length || ffAutoAllocateChunkSizeBug) {
  641.                             btn.classList.add("ujs-error");
  642.                             btnErrorTextElem.textContent = "";
  643.                             // Add ❌
  644.                             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;`;
  645.  
  646.                             const ffHint = isFirefox && !settings.strictTrackingProtectionFix && ffAutoAllocateChunkSizeBug ? "\nTry to enable 'Strict Tracking Protection Fix' in the userscript settings." : "";
  647.                             btn.title = "Failed to download the image." + ffHint;
  648.                             throw new Error("[error] Fallback URLs are failed.");
  649.                         }
  650.                     }
  651.                 }
  652.             }
  653.  
  654.             const {blob, lastModifiedDate, extension, name} = await safeFetchResource(url);
  655.  
  656.             Features.verifyBlob(blob, url, btn);
  657.  
  658.             btnProgress.style.cssText = "--progress: 100%";
  659.  
  660.             const sampleText = !isSample ? "" : "[sample]";
  661.             const filename = `[twitter]${sampleText} ${author}—${lastModifiedDate}—${id}—${name}.${extension}`;
  662.             downloadBlob(blob, filename, url);
  663.  
  664.             const downloaded = btn.classList.contains("ujs-already-downloaded") || btn.classList.contains("ujs-downloaded");
  665.             if (!downloaded && !isSample) {
  666.                 await Features._ImageHistory.markDownloaded({id, url});
  667.             }
  668.  
  669.             if (btn.dataset.isMultiMedia && !isSample) { // dirty fix
  670.                 const isDownloaded = Features._ImageHistory.isDownloaded({id, url});
  671.                 if (!isDownloaded) {
  672.                     await Features._ImageHistory.markDownloaded({id, url});
  673.                 }
  674.             }
  675.  
  676.             await sleep(40);
  677.             btnProgress.style.cssText = "--progress: 0%";
  678.         }
  679.  
  680.  
  681.         // Quick Dirty Fix // todo refactor
  682.         static async mobileVideoHandler(imgElem, isThumb) { // + thumbVideoHandler
  683.             verbose && console.log("[ujs][mobileVideoHandler][vid]", imgElem);
  684.  
  685.             const btn = Features.createButton({isVideo: true, url: imgElem.src, isThumb});
  686.             btn.addEventListener("click", Features._videoClickHandler);
  687.  
  688.             let anchor = imgElem.closest("a");
  689.             if (!anchor) {
  690.                 anchor = imgElem.parentNode;
  691.             }
  692.             anchor.append(btn);
  693.  
  694.             const tweet = Tweet.of(btn);
  695.             const id = tweet.id;
  696.             const tweetElem = tweet.elem || btn.closest(`[data-testid="tweet"]`);
  697.             let vidNumber = 0;
  698.  
  699.             if (tweetElem) {
  700.                 const map = Features.tweetVidWeakMapMobile;
  701.                 if (map.has(tweetElem)) {
  702.                     vidNumber = map.get(tweetElem) + 1;
  703.                     map.set(tweetElem, vidNumber);
  704.                 } else {
  705.                     map.set(tweetElem, vidNumber); // can throw an error for null
  706.                 }
  707.             } // else thumbnail
  708.  
  709.             const historyId = vidNumber ? id + "-" + vidNumber : id;
  710.  
  711.             const downloaded = downloadedVideoTweetIds.hasItem(historyId);
  712.             if (downloaded) {
  713.                 btn.classList.add("ujs-already-downloaded");
  714.             }
  715.         }
  716.  
  717.  
  718.         static async multiMediaThumbHandler(imgElem) {
  719.             verbose && console.log("[ujs][multiMediaThumbHandler]", imgElem);
  720.             let isVideo = false;
  721.             if (imgElem.src.includes("/ext_tw_video_thumb/")) {
  722.                 isVideo = true;
  723.             }
  724.  
  725.             const btn = Features.createButton({url: imgElem.src, isVideo, isThumb: true, isMultiMedia: true});
  726.             btn.addEventListener("click", Features._multiMediaThumbClickHandler);
  727.             let anchor = imgElem.closest("a");
  728.             if (!anchor) {
  729.                 anchor = imgElem.parentNode;
  730.             }
  731.             anchor.append(btn);
  732.  
  733.             let downloaded;
  734.             const tweetId = Tweet.of(btn).id;
  735.             if (isVideo) {
  736.                 downloaded = downloadedVideoTweetIds.hasItem(tweetId);
  737.             } else {
  738.                 downloaded = Features._ImageHistory.isDownloaded({
  739.                     id: tweetId,
  740.                     url: btn.dataset.url
  741.                 });
  742.             }
  743.             if (downloaded) {
  744.                 btn.classList.add("ujs-already-downloaded");
  745.             }
  746.         }
  747.         static async _multiMediaThumbClickHandler(event) {
  748.             event.preventDefault();
  749.             event.stopImmediatePropagation();
  750.             const btn = event.currentTarget;
  751.             const btnErrorTextElem = btn.querySelector(".ujs-btn-error-text");
  752.             if (btn.textContent !== "") {
  753.                 btnErrorTextElem.textContent = "";
  754.             }
  755.             const {id} = Tweet.of(btn);
  756.             /** @type {TweetMediaEntry[]} */
  757.             let medias;
  758.             try {
  759.                 medias = await API.getTweetMedias(id);
  760.                 medias = medias.filter(mediaEntry => mediaEntry.tweet_id === id);
  761.             } catch (err) {
  762.                 console.error(err);
  763.                 btn.classList.add("ujs-error");
  764.                 btnErrorTextElem.textContent = "Error";
  765.                 btn.title = "API.getTweetMedias Error";
  766.                 throw new Error("API.getTweetMedias Error");
  767.             }
  768.  
  769.             for (const mediaEntry of medias) {
  770.                 if (mediaEntry.type === "video") {
  771.                     await Features._downloadVideoMediaEntry(mediaEntry, btn, id);
  772.                 } else { // "photo"
  773.                     const {screen_name: author,download_url: url, tweet_id: id} = mediaEntry;
  774.                     await Features._downloadPhotoMediaEntry(id, author, url, btn);
  775.                 }
  776.                 await sleep(50);
  777.             }
  778.             Features._markButtonAsDownloaded(btn);
  779.         }
  780.  
  781.         static tweetVidWeakMapMobile = new WeakMap();
  782.         static tweetVidWeakMap = new WeakMap();
  783.         static async videoHandler() {
  784.             const videos = document.querySelectorAll("video:not([data-handled])");
  785.             for (const vid of videos) {
  786.                 if (vid.dataset.handled) {
  787.                     continue;
  788.                 }
  789.                 vid.dataset.handled = "true";
  790.                 verbose && console.log("[ujs][videoHandler][vid]", vid);
  791.  
  792.                 const poster = vid.getAttribute("poster");
  793.  
  794.                 const btn = Features.createButton({isVideo: true, url: poster});
  795.                 btn.addEventListener("click", Features._videoClickHandler);
  796.  
  797.                 let elem = vid.closest(`[data-testid="videoComponent"]`).parentNode;
  798.                 if (elem) {
  799.                     elem.append(btn);
  800.                 } else {
  801.                     elem = vid.parentNode.parentNode.parentNode;
  802.                     elem.after(btn);
  803.                 }
  804.  
  805.  
  806.                 const tweet = Tweet.of(btn);
  807.                 const id = tweet.id;
  808.                 const tweetElem = tweet.elem;
  809.                 let vidNumber = 0;
  810.  
  811.                 if (tweetElem) {
  812.                     const map = Features.tweetVidWeakMap;
  813.                     if (map.has(tweetElem)) {
  814.                         vidNumber = map.get(tweetElem) + 1;
  815.                         map.set(tweetElem, vidNumber);
  816.                     } else {
  817.                         map.set(tweetElem, vidNumber); // can throw an error for null
  818.                     }
  819.                 } else { // expanded_url
  820.                     await sleep(10);
  821.                     const match = location.pathname.match(/(?<=\/video\/)\d/);
  822.                     if (!match) {
  823.                         verbose && console.log("[ujs][videoHandler] missed match for match");
  824.                     }
  825.                     vidNumber = Number(match[0]) - 1;
  826.  
  827.                     console.warn("[ujs][videoHandler] vidNumber", vidNumber);
  828.                     // todo: add support for expanded_url video downloading
  829.                 }
  830.  
  831.                 const historyId = vidNumber ? id + "-" + vidNumber : id;
  832.  
  833.                 const downloaded = downloadedVideoTweetIds.hasItem(historyId);
  834.                 if (downloaded) {
  835.                     btn.classList.add("ujs-already-downloaded");
  836.                 }
  837.             }
  838.         }
  839.         static async _videoClickHandler(event) { // todo: parse the URL from HTML (For "Embedded video" (?))
  840.             event.preventDefault();
  841.             event.stopImmediatePropagation();
  842.  
  843.             const btn = event.currentTarget;
  844.             const btnErrorTextElem = btn.querySelector(".ujs-btn-error-text");
  845.             const {id} = Tweet.of(btn);
  846.  
  847.             if (btn.textContent !== "") {
  848.                 btnErrorTextElem.textContent = "";
  849.             }
  850.             btn.classList.remove("ujs-error");
  851.             btn.classList.add("ujs-downloading");
  852.  
  853.             let mediaEntry;
  854.             try {
  855.                 const medias = await API.getTweetMedias(id);
  856.                 const posterUrl = btn.dataset.url; // [note] if `posterUrl` has `searchParams`, it will have no extension at the end of `pathname`.
  857.                 const posterUrlClear = removeSearchParams(posterUrl);
  858.                 mediaEntry = medias.find(media => media.preview_url.startsWith(posterUrlClear));
  859.                 verbose && console.log("[ujs][_videoClickHandler] mediaEntry", mediaEntry);
  860.             } catch (err) {
  861.                 console.error(err);
  862.                 btn.classList.add("ujs-error");
  863.                 btnErrorTextElem.textContent = "Error";
  864.                 btn.title = "API.getVideoInfo Error";
  865.                 throw new Error("API.getVideoInfo Error");
  866.             }
  867.  
  868.             await Features._downloadVideoMediaEntry(mediaEntry, btn, id);
  869.             Features._markButtonAsDownloaded(btn);
  870.         }
  871.  
  872.         static async _downloadVideoMediaEntry(mediaEntry, btn, id /* of original tweet */) {
  873.             const {
  874.                 screen_name:  author,
  875.                 tweet_id:     videoTweetId,
  876.                 download_url: url,
  877.                 type_index:   vidNumber,
  878.             } = mediaEntry;
  879.             if (!url) {
  880.                 throw new Error("No video URL found");
  881.             }
  882.  
  883.             const btnProgress = btn.querySelector(".ujs-progress");
  884.  
  885.             let onProgress = null;
  886.             if (settings.downloadProgress) {
  887.                 onProgress = ({loaded, total}) => btnProgress.style.cssText = "--progress: " + loaded / total * 90 + "%";
  888.             }
  889.  
  890.             const {blob, lastModifiedDate, extension, name} = await fetchResource(url, onProgress);
  891.  
  892.             btnProgress.style.cssText = "--progress: 100%";
  893.  
  894.             Features.verifyBlob(blob, url, btn);
  895.  
  896.             const filename = `[twitter] ${author}—${lastModifiedDate}—${videoTweetId}—${name}.${extension}`;
  897.             downloadBlob(blob, filename, url);
  898.  
  899.             const downloaded = btn.classList.contains("ujs-already-downloaded");
  900.             const historyId = vidNumber /* not 0 */ ? videoTweetId + "-" + vidNumber : videoTweetId;
  901.             if (!downloaded) {
  902.                 await downloadedVideoTweetIds.pushItem(historyId);
  903.                 if (videoTweetId !== id) { // if QRT
  904.                     const historyId = vidNumber ? id + "-" + vidNumber : id;
  905.                     await downloadedVideoTweetIds.pushItem(historyId);
  906.                 }
  907.             }
  908.  
  909.             if (btn.dataset.isMultiMedia) { // dirty fix
  910.                 const isDownloaded = downloadedVideoTweetIds.hasItem(historyId);
  911.                 if (!isDownloaded) {
  912.                     await downloadedVideoTweetIds.pushItem(historyId);
  913.                     if (videoTweetId !== id) { // if QRT
  914.                         const historyId = vidNumber ? id + "-" + vidNumber : id;
  915.                         await downloadedVideoTweetIds.pushItem(historyId);
  916.                     }
  917.                 }
  918.             }
  919.  
  920.             await sleep(40);
  921.             btnProgress.style.cssText = "--progress: 0%";
  922.         }
  923.  
  924.         static verifyBlob(blob, url, btn) {
  925.             if (!blob.size) {
  926.                 btn.classList.add("ujs-error");
  927.                 btn.querySelector(".ujs-btn-error-text").textContent = "Error";
  928.                 btn.title = "Download Error";
  929.                 throw new Error("Zero size blob: " + url);
  930.             }
  931.         }
  932.  
  933.         static addRequiredCSS() {
  934.             const code = getUserScriptCSS();
  935.             addCSS(code);
  936.         }
  937.  
  938.         // it depends on `directLinks()` use only it after `directLinks()`
  939.         static handleTitle(title) {
  940.  
  941.             if (!I18N.QUOTES) { // Unsupported lang, no QUOTES, ON_TWITTER, TWITTER constants
  942.                 return;
  943.             }
  944.  
  945.             // if not an opened tweet
  946.             if (!location.href.match(/(twitter|x)\.com\/[^\/]+\/status\/\d+/)) {
  947.                 return;
  948.             }
  949.  
  950.             let titleText = title || document.title;
  951.             if (titleText === Features.lastHandledTitle) {
  952.                 return;
  953.             }
  954.             Features.originalTitle = titleText;
  955.  
  956.             const [OPEN_QUOTE, CLOSE_QUOTE] = I18N.QUOTES;
  957.             const urlsToReplace = [
  958.                 ...titleText.matchAll(new RegExp(`https:\\/\\/t\\.co\\/[^ ${CLOSE_QUOTE}]+`, "g"))
  959.             ].map(el => el[0]);
  960.             // the last one may be the URL to the tweet // or to an embedded shared URL
  961.  
  962.             const map = new Map();
  963.             const anchors = document.querySelectorAll(`a[data-redirect^="https://t.co/"]`);
  964.             for (const anchor of anchors) {
  965.                 if (urlsToReplace.includes(anchor.dataset.redirect)) {
  966.                     map.set(anchor.dataset.redirect, anchor.href);
  967.                 }
  968.             }
  969.  
  970.             const lastUrl = urlsToReplace.slice(-1)[0];
  971.             let lastUrlIsAttachment = false;
  972.             let attachmentDescription = "";
  973.             if (!map.has(lastUrl)) {
  974.                 const a = document.querySelector(`a[href="${lastUrl}?amp=1"]`);
  975.                 if (a) {
  976.                     lastUrlIsAttachment = true;
  977.                     attachmentDescription = document.querySelectorAll(`a[href="${lastUrl}?amp=1"]`)[1].innerText;
  978.                     attachmentDescription = attachmentDescription.replaceAll("\n", " — ");
  979.                 }
  980.             }
  981.  
  982.             for (const [key, value] of map.entries()) {
  983.                 titleText = titleText.replaceAll(key, value + ` (${key})`);
  984.             }
  985.  
  986.             titleText = titleText.replace(new RegExp(`${I18N.ON_TWITTER}(?= ${OPEN_QUOTE})`), ":");
  987.             titleText = titleText.replace(new RegExp(`(?<=${CLOSE_QUOTE}) \\\/ ${I18N.TWITTER}$`), "");
  988.             if (!lastUrlIsAttachment) {
  989.                 const regExp = new RegExp(`(?<short> https:\\/\\/t\\.co\\/.{6,14})${CLOSE_QUOTE}$`);
  990.                 titleText = titleText.replace(regExp, (match, p1, p2, offset, string) => `${CLOSE_QUOTE} —${p1}`);
  991.             } else {
  992.                 titleText = titleText.replace(lastUrl, `${lastUrl} (${attachmentDescription})`);
  993.             }
  994.             document.title = titleText; // Note: some characters will be removed automatically (`\n`, extra spaces)
  995.             Features.lastHandledTitle = document.title;
  996.         }
  997.         static lastHandledTitle = "";
  998.         static originalTitle = "";
  999.  
  1000.         static profileUrlCache = new Map();
  1001.         static async directLinks() {
  1002.             verbose && console.log("[ujs][directLinks]");
  1003.             const hasHttp = url => Boolean(url.match(/^https?:\/\//));
  1004.             const anchors = xpathAll(`.//a[@dir="ltr" and child::span and not(@data-handled)]`);
  1005.             for (const anchor of anchors) {
  1006.                 const redirectUrl = new URL(anchor.href);
  1007.                 const shortUrl = redirectUrl.origin + redirectUrl.pathname; // remove "?amp=1"
  1008.  
  1009.                 const hrefAttr = anchor.getAttribute("href");
  1010.                 if (hrefAttr.startsWith("/")) {
  1011.                     anchor.dataset.handled = "true";
  1012.                     return;
  1013.                 }
  1014.  
  1015.                 verbose && console.log("[ujs][directLinks]", {hrefAttr, redirectUrl_href: redirectUrl.href, shortUrl});
  1016.  
  1017.                 anchor.dataset.redirect = shortUrl;
  1018.                 anchor.dataset.handled = "true";
  1019.                 anchor.rel = "nofollow noopener noreferrer";
  1020.  
  1021.                 if (Features.profileUrlCache.has(shortUrl)) {
  1022.                     anchor.href = Features.profileUrlCache.get(shortUrl);
  1023.                     continue;
  1024.                 }
  1025.  
  1026.                 const nodes = xpathAll(`./span[text() != "…"]|./text()`, anchor);
  1027.                 let url = nodes.map(node => node.textContent).join("");
  1028.  
  1029.                 const doubleProtocolPrefix = url.match(/(?<dup>^https?:\/\/)(?=https?:)/)?.groups.dup;
  1030.                 if (doubleProtocolPrefix) {
  1031.                     url = url.slice(doubleProtocolPrefix.length);
  1032.                     const span = anchor.querySelector(`[aria-hidden="true"]`);
  1033.                     if (hasHttp(span.textContent)) { // Fix Twitter's bug related to text copying
  1034.                         span.style = "display: none;";
  1035.                     }
  1036.                 }
  1037.  
  1038.                 anchor.href = url;
  1039.  
  1040.                 if (anchor.dataset?.testid === "UserUrl") {
  1041.                     const href = anchor.getAttribute("href");
  1042.                     const profileUrl = hasHttp(href) ? href : "https://" + href;
  1043.                     anchor.href = profileUrl;
  1044.                     verbose && console.log("[ujs][directLinks][profileUrl]", profileUrl);
  1045.  
  1046.                     // Restore if URL's text content is too long
  1047.                     if (anchor.textContent.endsWith("…")) {
  1048.                         anchor.href = shortUrl;
  1049.  
  1050.                         try {
  1051.                             const author = location.pathname.slice(1).match(/[^\/]+/)[0];
  1052.                             const expanded_url = await API.getUserInfo(author); // todo: make lazy
  1053.                             anchor.href = expanded_url;
  1054.                             Features.profileUrlCache.set(shortUrl, expanded_url);
  1055.                         } catch (err) {
  1056.                             verbose && console.error("[ujs]", err);
  1057.                         }
  1058.                     }
  1059.                 }
  1060.             }
  1061.             if (anchors.length) {
  1062.                 Features.handleTitle(Features.originalTitle);
  1063.             }
  1064.         }
  1065.  
  1066.         // Do NOT throttle it
  1067.         static expandSpoilers() {
  1068.             const main = document.querySelector("main[role=main]");
  1069.             if (!main) {
  1070.                 return;
  1071.             }
  1072.  
  1073.             if (!I18N.YES_VIEW_PROFILE) { // Unsupported lang, no YES_VIEW_PROFILE, SHOW_NUDITY, VIEW constants
  1074.                 return;
  1075.             }
  1076.  
  1077.             const a = main.querySelectorAll("[data-testid=primaryColumn] [role=button]");
  1078.             if (a) {
  1079.                 const elems = [...a];
  1080.                 const button = elems.find(el => el.textContent === I18N.YES_VIEW_PROFILE);
  1081.                 if (button) {
  1082.                     button.click();
  1083.                 }
  1084.  
  1085.                 // "Content warning: Nudity"
  1086.                 // "The Tweet author flagged this Tweet as showing sensitive content."
  1087.                 // "Show"
  1088.                 const buttonShow = elems.find(el => el.textContent === I18N.SHOW_NUDITY);
  1089.                 if (buttonShow) {
  1090.                     // const verifying = a.previousSibling.textContent.includes("Nudity"); // todo?
  1091.                     // if (verifying) {
  1092.                     buttonShow.click();
  1093.                     // }
  1094.                 }
  1095.             }
  1096.  
  1097.             // todo: expand spoiler commentary in photo view mode (.../photo/1)
  1098.             const b = main.querySelectorAll("article [role=presentation] div[role=button]");
  1099.             if (b) {
  1100.                 const elems = [...b];
  1101.                 const buttons = elems.filter(el => el.textContent === I18N.VIEW);
  1102.                 if (buttons.length) {
  1103.                     buttons.forEach(el => el.click());
  1104.                 }
  1105.             }
  1106.         }
  1107.  
  1108.         static hideSignUpSection() { // "New to Twitter?"
  1109.             if (!I18N.SIGNUP) {// Unsupported lang, no SIGNUP constant
  1110.                 return;
  1111.             }
  1112.             const elem = document.querySelector(`section[aria-label="${I18N.SIGNUP}"][role=region]`);
  1113.             if (elem) {
  1114.                 elem.parentNode.classList.add("ujs-hidden");
  1115.             }
  1116.         }
  1117.  
  1118.         // Call it once.
  1119.         // "Don’t miss what’s happening" if you are not logged in.
  1120.         // It looks that `#layers` is used only for this bar.
  1121.         static hideSignUpBottomBarAndMessages(doNotPlayVideosAutomatically) {
  1122.             if (doNotPlayVideosAutomatically) {
  1123.                 addCSS(`
  1124.                     #layers > div:nth-child(1) {
  1125.                         display: none;
  1126.                     }
  1127.                 `);
  1128.             } else {
  1129.                 addCSS(`
  1130.                     #layers > div:nth-child(1) {
  1131.                         height: 1px;
  1132.                         opacity: 0;
  1133.                     }
  1134.                 `);
  1135.             }
  1136.         }
  1137.  
  1138.         // "Trends for you"
  1139.         static hideTrends() {
  1140.             if (!I18N.TRENDS) { // Unsupported lang, no TRENDS constant
  1141.                 return;
  1142.             }
  1143.             addCSS(`
  1144.                 [aria-label="${I18N.TRENDS}"]
  1145.                 {
  1146.                     display: none;
  1147.                 }
  1148.             `);
  1149.         }
  1150.  
  1151.         static highlightVisitedLinks() {
  1152.             if (settings.highlightOnlySpecialVisitedLinks) {
  1153.                 addCSS(`
  1154.                     a[href^="http"]:visited {
  1155.                         color: darkorange !important;
  1156.                     }
  1157.                 `);
  1158.                 return;
  1159.             }
  1160.             addCSS(`
  1161.                 a:visited {
  1162.                     color: darkorange !important;
  1163.                 }
  1164.             `);
  1165.         }
  1166.  
  1167.         // todo split to two methods
  1168.         // todo fix it, currently it works questionably
  1169.         // not tested with non eng languages
  1170.         static footerHandled = false;
  1171.         static hideAndMoveFooter() { // "Terms of Service   Privacy Policy   Cookie Policy"
  1172.             let footer = document.querySelector(`main[role=main] nav[aria-label=${I18N.FOOTER}][role=navigation]`);
  1173.             const nav  = document.querySelector("nav[aria-label=Primary][role=navigation]"); // I18N."Primary" [?]
  1174.  
  1175.             if (footer) {
  1176.                 footer = footer.parentNode;
  1177.                 const separatorLine = footer.previousSibling;
  1178.  
  1179.                 if (Features.footerHandled) {
  1180.                     footer.remove();
  1181.                     separatorLine.remove();
  1182.                     return;
  1183.                 }
  1184.  
  1185.                 nav.append(separatorLine);
  1186.                 nav.append(footer);
  1187.                 footer.classList.add("ujs-show-on-hover");
  1188.                 separatorLine.classList.add("ujs-show-on-hover");
  1189.  
  1190.                 Features.footerHandled = true;
  1191.             }
  1192.         }
  1193.  
  1194.         static hideLoginPopup() { // When you are not logged in
  1195.             const targetNode = document.querySelector("html");
  1196.             const observerOptions = {
  1197.                 attributes: true,
  1198.             };
  1199.             const observer = new MutationObserver(callback);
  1200.             observer.observe(targetNode, observerOptions);
  1201.  
  1202.             function callback(mutationList, _observer) {
  1203.                 const html = document.querySelector("html");
  1204.                 verbose && console.log("[ujs][hideLoginPopup][mutationList]", mutationList);
  1205.                 // overflow-y: scroll; overscroll-behavior-y: none; font-size: 15px;                     // default
  1206.                 // overflow: hidden; overscroll-behavior-y: none; font-size: 15px; margin-right: 15px;   // popup
  1207.                 if (html.style["overflow"] === "hidden") {
  1208.                     html.style["overflow"] = "";
  1209.                     html.style["overflow-y"] = "scroll";
  1210.                     html.style["margin-right"] = "";
  1211.                 }
  1212.                 const popup = document.querySelector(`#layers div[data-testid="sheetDialog"]`);
  1213.                 if (popup) {
  1214.                     popup.closest(`div[role="dialog"]`).remove();
  1215.                     verbose && (document.title = "⚒" + document.title);
  1216.                     // observer.disconnect();
  1217.                 }
  1218.             }
  1219.         }
  1220.  
  1221.         static goFromMobileToMainSite() { // uncompleted
  1222.             if (location.href.startsWith("https://mobile.twitter.com/")) {
  1223.                 location.href = location.href.replace("https://mobile.twitter.com/", "https://twitter.com/");
  1224.             }
  1225.             // TODO: add #redirected, remove by timer // to prevent a potential infinity loop
  1226.         }
  1227.     }
  1228.  
  1229.     return Features;
  1230. }
  1231.  
  1232. function getStoreInfo() {
  1233.     const resultObj = {
  1234.         total: 0
  1235.     };
  1236.     for (const [name, lsKey] of Object.entries(StorageNames)) {
  1237.         const valueStr = localStorage.getItem(lsKey);
  1238.         if (valueStr) {
  1239.             try {
  1240.                 const value = JSON.parse(valueStr);
  1241.                 if (Array.isArray(value)) {
  1242.                     const size = new Set(value).size;
  1243.                     resultObj[name] = size;
  1244.                     resultObj.total += size;
  1245.                 }
  1246.             } catch (err) {
  1247.                 // ...
  1248.             }
  1249.         }
  1250.     }
  1251.     return resultObj;
  1252. }
  1253.  
  1254. // --- Twitter.RequiredCSS --- //
  1255. function getUserScriptCSS() {
  1256.     const labelText = I18N.IMAGE || "Image";
  1257.  
  1258.     // By default, the scroll is showed all time, since <html style="overflow-y: scroll;>,
  1259.     // so it works — no need to use `getScrollbarWidth` function from SO (13382516).
  1260.     const scrollbarWidth = window.innerWidth - document.body.offsetWidth;
  1261.  
  1262.     const css = `
  1263. .ujs-modal-wrapper .ujs-modal-settings {
  1264.   color: black;
  1265. }
  1266. .ujs-hidden {
  1267.     display: none;
  1268. }
  1269. .ujs-no-scroll {
  1270.     overflow-y: hidden;
  1271. }
  1272. .ujs-scroll-initial {
  1273.     overflow-y: initial!important;
  1274. }
  1275. .ujs-scrollbar-width-margin-right {
  1276.     margin-right: ${scrollbarWidth}px;
  1277. }
  1278.  
  1279. .ujs-show-on-hover:hover {
  1280.     opacity: 1;
  1281.     transition: opacity 1s ease-out 0.1s;
  1282. }
  1283. .ujs-show-on-hover {
  1284.     opacity: 0;
  1285.     transition: opacity 0.5s ease-out;
  1286. }
  1287.  
  1288. :root {
  1289.     --ujs-shadow-1: linear-gradient(to top, rgba(0,0,0,0.15), rgba(0,0,0,0.05));
  1290.     --ujs-shadow-2: linear-gradient(to top, rgba(0,0,0,0.25), rgba(0,0,0,0.05));
  1291.     --ujs-shadow-3: linear-gradient(to top, rgba(0,0,0,0.45), rgba(0,0,0,0.15));
  1292.     --ujs-shadow-4: linear-gradient(to top, rgba(0,0,0,0.55), rgba(0,0,0,0.25));
  1293.     --ujs-red:   #e0245e;
  1294.     --ujs-blue:  #1da1f2;
  1295.     --ujs-green: #4caf50;
  1296.     --ujs-gray:  #c2cbd0;
  1297.     --ujs-error: white;
  1298. }
  1299.  
  1300. .ujs-progress {
  1301.   background-image: linear-gradient(to right, var(--ujs-green) var(--progress), transparent 0%);
  1302. }
  1303.  
  1304. .ujs-shadow {
  1305.   background-image: var(--ujs-shadow-1);
  1306. }
  1307. .ujs-btn-download:hover .ujs-hover {
  1308.   background-image: var(--ujs-shadow-2);
  1309. }
  1310. .ujs-btn-download.ujs-downloading .ujs-shadow {
  1311.   background-image: var(--ujs-shadow-3);
  1312. }
  1313. .ujs-btn-download:active .ujs-shadow {
  1314.   background-image: var(--ujs-shadow-4);
  1315. }
  1316.  
  1317. .ujs-btn-download.ujs-downloaded.ujs-recently-downloaded {
  1318.     opacity: 0;
  1319. }
  1320.  
  1321. li[role="listitem"]:hover .ujs-btn-download {
  1322.     opacity: 1;
  1323. }
  1324. article[role=article]:hover .ujs-btn-download {
  1325.     opacity: 1;
  1326. }
  1327. div[aria-label="${labelText}"]:hover .ujs-btn-download {
  1328.     opacity: 1;
  1329. }
  1330. .ujs-btn-download.ujs-downloaded {
  1331.     opacity: 1;
  1332. }
  1333. .ujs-btn-download.ujs-downloading {
  1334.     opacity: 1;
  1335. }
  1336. [data-testid="videoComponent"]:hover + .ujs-btn-download {
  1337.     opacity: 1;
  1338. }
  1339. [data-testid="videoComponent"] + .ujs-btn-download:hover {
  1340.     opacity: 1;
  1341. }
  1342.  
  1343. .ujs-btn-download {
  1344.   cursor: pointer;
  1345.   top: 0.5em;
  1346.   left: 0.5em;
  1347.   position: absolute;
  1348.   opacity: 0;
  1349. }
  1350. .ujs-btn-common {
  1351.   width: 33px;
  1352.   height: 33px;
  1353.   border-radius: 0.3em;
  1354.   top: 0;
  1355.   position: absolute;
  1356.   border: 1px solid transparent;
  1357.   border-color: var(--ujs-gray);
  1358.   ${settings.addBorder ? "border: 2px solid white;" : "border-color: var(--ujs-gray);"}
  1359. }
  1360. .ujs-not-downloaded .ujs-btn-background {
  1361.   background: var(--ujs-red);
  1362. }
  1363.  
  1364. .ujs-already-downloaded .ujs-btn-background {
  1365.   background: var(--ujs-blue);
  1366. }
  1367.  
  1368. .ujs-btn-done {
  1369.   box-shadow: 0 0 6px var(--ujs-green);
  1370. }
  1371. .ujs-btn-error {
  1372.   box-shadow: 0 0 6px var(--ujs-red);
  1373. }
  1374.  
  1375. .ujs-downloaded .ujs-btn-background {
  1376.   background: var(--ujs-green);
  1377. }
  1378.  
  1379. .ujs-error .ujs-btn-background {
  1380.   background: var(--ujs-error);
  1381. }
  1382.  
  1383. .ujs-btn-error-text {
  1384.   display: flex;
  1385.   align-items: center;
  1386.   justify-content: center;
  1387.   color: black;
  1388.   font-size: 100%;
  1389. }`;
  1390.     return css.slice(1);
  1391. }
  1392.  
  1393. /*
  1394. Features depend on:
  1395.  
  1396. addRequiredCSS:     IMAGE
  1397.  
  1398. expandSpoilers:     YES_VIEW_PROFILE, SHOW_NUDITY, VIEW
  1399. handleTitle:        QUOTES,           ON_TWITTER,  TWITTER
  1400. hideSignUpSection:  SIGNUP
  1401. hideTrends:         TRENDS
  1402.  
  1403. [unused]
  1404. hideAndMoveFooter:  FOOTER
  1405. */
  1406.  
  1407. // --- Twitter.LangConstants --- //
  1408. function getLanguageConstants() { // todo: "de", "fr"
  1409.     const defaultQuotes = [`"`, `"`];
  1410.  
  1411.     const SUPPORTED_LANGUAGES = ["en",                     "ru",                     "es",                                 "zh",               "ja",                       ];
  1412.  
  1413.     // texts
  1414.     const VIEW                = ["View",                   "Посмотреть",             "Ver",                                "查看",             "表示",                      ];
  1415.     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",       ];
  1416.     const SHOW_NUDITY         = ["Show",                   "Показать",               "Mostrar",                            "显示",              "表示",                     ];
  1417.  
  1418.     // aria-label texts
  1419.     const IMAGE               = ["Image",                  "Изображение",            "Imagen",                             "图像",              "画像",                     ];
  1420.     const SIGNUP              = ["Sign up",                "Зарегистрироваться",     "Regístrate",                         "注册(不可用)",             "アカウント作成",              ];
  1421.     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",       ];
  1422.     const FOOTER              = ["Footer",                 "Нижний колонтитул",      "Pie de página",                      "页脚",             "フッター",                   ];
  1423.  
  1424.     // document.title "{AUTHOR}{ON_TWITTER} {QUOTES[0]}{TEXT}{QUOTES[1]} / {TWITTER}"
  1425.     const QUOTES              = [defaultQuotes,            [`«`, `»`],               defaultQuotes,                        defaultQuotes,      [`「`, `」`],                ];
  1426.     const ON_TWITTER          = [" on X:",                  " в X:",                 " en X:",                             " 在 X:",            "さんはXを使っています", ];
  1427.     const TWITTER             = ["X",                       "X",                      "X",                                  "X",                 "X",                  ];
  1428.  
  1429.     const lang = document.querySelector("html").getAttribute("lang");
  1430.     const langIndex = SUPPORTED_LANGUAGES.indexOf(lang);
  1431.  
  1432.     return {
  1433.         SUPPORTED_LANGUAGES,
  1434.         VIEW: VIEW[langIndex],
  1435.         YES_VIEW_PROFILE: YES_VIEW_PROFILE[langIndex],
  1436.         SHOW_NUDITY: SHOW_NUDITY[langIndex],
  1437.         IMAGE: IMAGE[langIndex],
  1438.         SIGNUP: SIGNUP[langIndex],
  1439.         TRENDS: TRENDS[langIndex],
  1440.         FOOTER: FOOTER[langIndex],
  1441.         QUOTES: QUOTES[langIndex],
  1442.         ON_TWITTER: ON_TWITTER[langIndex],
  1443.         TWITTER: TWITTER[langIndex],
  1444.     }
  1445. }
  1446.  
  1447. // --- Twitter.Tweet --- //
  1448. function hoistTweet() {
  1449.     class Tweet {
  1450.         constructor({elem, url}) {
  1451.             if (url) {
  1452.                 this.elem = null;
  1453.                 this.url = url;
  1454.             } else {
  1455.                 this.elem = elem;
  1456.                 this.url = Tweet.getUrl(elem);
  1457.             }
  1458.         }
  1459.  
  1460.         static of(innerElem) {
  1461.             // Workaround for media from a quoted tweet
  1462.             const url = innerElem.closest(`a[href^="/"]`)?.href;
  1463.             if (url && url.includes("/status/")) {
  1464.                 return new Tweet({url});
  1465.             }
  1466.  
  1467.             const elem = innerElem.closest(`[data-testid="tweet"]`);
  1468.             if (!elem) { // opened image
  1469.                 verbose && console.log("[ujs][Tweet.of]", "No-tweet elem");
  1470.             }
  1471.             return new Tweet({elem});
  1472.         }
  1473.  
  1474.         static getUrl(elem) {
  1475.             if (!elem) {
  1476.                 verbose && console.log("[ujs][Tweet.getUrl]", "Opened full screen image");
  1477.                 return location.href;
  1478.             }
  1479.             const quotedTweetAnchorEl = [...elem.querySelectorAll("a")].find(el => {
  1480.                 return el.childNodes[0]?.nodeName === "TIME";
  1481.             });
  1482.             if (quotedTweetAnchorEl) {
  1483.                 verbose && console.log("[ujs][Tweet.getUrl]", "Quoted/Re Tweet");
  1484.                 return quotedTweetAnchorEl.href;
  1485.             }
  1486.             verbose && console.log("[ujs][Tweet.getUrl]", "Unreachable"); // Is it used?
  1487.             return location.href;
  1488.         }
  1489.  
  1490.         get author() {
  1491.             return this.url.match(/(?<=(twitter|x)\.com\/).+?(?=\/)/)?.[0];
  1492.         }
  1493.  
  1494.         get id() {
  1495.             return this.url.match(/(?<=\/status\/)\d+/)?.[0];
  1496.         }
  1497.     }
  1498.  
  1499.     return Tweet;
  1500. }
  1501.  
  1502. // --- Twitter.API --- //
  1503. function hoistAPI() {
  1504.     class API {
  1505.         static guestToken = getCookie("gt");
  1506.         static csrfToken  = getCookie("ct0");  // todo: lazy — not available at the first run
  1507.         // Guest/Suspended account Bearer token
  1508.         static guestAuthorization = "Bearer AAAAAAAAAAAAAAAAAAAAANRILgAAAAAAnNwIzUejRCOuH5E6I8xnZz4puTs%3D1Zv7ttfk8LF81IUq16cHjhLTvJu4FA33AGWWjCpTnA";
  1509.  
  1510.         // Seems to be outdated at 2022.05
  1511.         static async _requestBearerToken() {
  1512.             const scriptSrc = [...document.querySelectorAll("script")]
  1513.                 .find(el => el.src.match(/https:\/\/abs\.twimg\.com\/responsive-web\/client-web\/main[\w.]*\.js/)).src;
  1514.  
  1515.             let text;
  1516.             try {
  1517.                 text = await (await fetch(scriptSrc)).text();
  1518.             } catch (err) {
  1519.                 /* verbose && */ console.error("[ujs][_requestBearerToken][scriptSrc]", scriptSrc);
  1520.                 /* verbose && */ console.error("[ujs][_requestBearerToken]", err);
  1521.                 throw err;
  1522.             }
  1523.  
  1524.             const authorizationKey = text.match(/(?<=")AAAAAAAAAAAAAAAAAAAAANRILgAAAAAAnNwIzUejRCOuH5E6I8xnZz4puTs%3D.+?(?=")/)[0];
  1525.             const authorization = `Bearer ${authorizationKey}`;
  1526.  
  1527.             return authorization;
  1528.         }
  1529.  
  1530.         static async getAuthorization() {
  1531.             if (!API.authorization) {
  1532.                 API.authorization = await API._requestBearerToken();
  1533.             }
  1534.             return API.authorization;
  1535.         }
  1536.  
  1537.         static requestCache = new Map();
  1538.         static vacuumCache() {
  1539.             if (API.requestCache.size > 16) {
  1540.                 API.requestCache.delete(API.requestCache.keys().next().value);
  1541.             }
  1542.         }
  1543.  
  1544.         static async apiRequest(url) {
  1545.             const _url = url.toString();
  1546.             verbose && console.log("[ujs][apiRequest]", _url);
  1547.  
  1548.             if (API.requestCache.has(_url)) {
  1549.                 verbose && console.log("[ujs][apiRequest] Use cached API request", _url);
  1550.                 return API.requestCache.get(_url);
  1551.             }
  1552.  
  1553.             // Hm... it is always the same. Even for a logged user.
  1554.             // const authorization = API.guestToken ? API.guestAuthorization : await API.getAuthorization();
  1555.             const authorization = API.guestAuthorization;
  1556.  
  1557.             // for debug
  1558.             verbose && sessionStorage.setItem("guestAuthorization", API.guestAuthorization);
  1559.             verbose && sessionStorage.setItem("authorization", API.authorization);
  1560.             verbose && sessionStorage.setItem("x-csrf-token", API.csrfToken);
  1561.             verbose && sessionStorage.setItem("x-guest-token", API.guestToken);
  1562.  
  1563.             const headers = new Headers({
  1564.                 authorization,
  1565.                 "x-csrf-token": API.csrfToken,
  1566.                 "x-twitter-client-language": "en",
  1567.                 "x-twitter-active-user": "yes"
  1568.             });
  1569.             if (API.guestToken) {
  1570.                 headers.append("x-guest-token", API.guestToken);
  1571.             } else { // may be skipped
  1572.                 headers.append("x-twitter-auth-type", "OAuth2Session");
  1573.             }
  1574.  
  1575.             let json;
  1576.             try {
  1577.                 const response = await fetch(_url, {headers});
  1578.                 json = await response.json();
  1579.                 if (response.ok) {
  1580.                     verbose && console.log("[ujs][apiRequest]", "Cache API request", _url);
  1581.                     API.vacuumCache();
  1582.                     API.requestCache.set(_url, json);
  1583.                 }
  1584.             } catch (err) {
  1585.                 /* verbose && */ console.error("[ujs][apiRequest]", _url);
  1586.                 /* verbose && */ console.error("[ujs][apiRequest]", err);
  1587.                 throw err;
  1588.             }
  1589.  
  1590.             verbose && console.log("[ujs][apiRequest][json]", JSON.stringify(json, null, " "));
  1591.             // 429 - [{code: 88, message: "Rate limit exceeded"}] — for suspended accounts
  1592.  
  1593.             return json;
  1594.         }
  1595.  
  1596.         static async getTweetJson(tweetId) {
  1597.             const url = API.createTweetJsonEndpointUrl(tweetId);
  1598.             const json = await API.apiRequest(url);
  1599.             verbose && console.log("[ujs][getTweetJson]", json, JSON.stringify(json));
  1600.             return json;
  1601.         }
  1602.  
  1603.         /** return {tweetResult, tweetLegacy, tweetUser} */
  1604.         static parseTweetJson(json, tweetId) {
  1605.             const instruction = json.data.threaded_conversation_with_injections_v2.instructions.find(ins => ins.type === "TimelineAddEntries");
  1606.             const tweetEntry  = instruction.entries.find(ins => ins.entryId === "tweet-" + tweetId);
  1607.             let tweetResult = tweetEntry.content.itemContent.tweet_results.result; // {"__typename": "Tweet"} // or {"__typename": "TweetWithVisibilityResults", tweet: {...}} (1641596499351212033)
  1608.             if (tweetResult.tweet) {
  1609.                 tweetResult = tweetResult.tweet;
  1610.             }
  1611.             verbose && console.log("[ujs][parseTweetJson] tweetResult", tweetResult, JSON.stringify(tweetResult));
  1612.             const tweetUser   = tweetResult.core.user_results.result; // {"__typename": "User"}
  1613.             const tweetLegacy = tweetResult.legacy;
  1614.             verbose && console.log("[ujs][parseTweetJson] tweetLegacy", tweetLegacy, JSON.stringify(tweetLegacy));
  1615.             verbose && console.log("[ujs][parseTweetJson] tweetUser", tweetUser, JSON.stringify(tweetUser));
  1616.             return {tweetResult, tweetLegacy, tweetUser};
  1617.         }
  1618.  
  1619.         /**
  1620.          * @typedef {Object} TweetMediaEntry
  1621.          * @property {string} screen_name - "kreamu"
  1622.          * @property {string} tweet_id - "1687962620173733890"
  1623.          * @property {string} download_url - "https://pbs.twimg.com/media/FWYvXNMXgAA7se2?format=jpg&name=orig"
  1624.          * @property {"photo" | "video"} type - "photo"
  1625.          * @property {"photo" | "video" | "animated_gif"} type_original - "photo"
  1626.          * @property {number} index - 0
  1627.          * @property {number} type_index - 0
  1628.          * @property {number} type_index_original - 0
  1629.          * @property {string} preview_url - "https://pbs.twimg.com/media/FWYvXNMXgAA7se2.jpg"
  1630.          * @property {string} media_id  -   "1687949851516862464"
  1631.          * @property {string} media_key - "7_1687949851516862464"
  1632.          * @property {string} expanded_url - "https://twitter.com/kreamu/status/1687962620173733890/video/1"
  1633.          * @property {string} short_expanded_url - "pic.twitter.com/KeXR8T910R"
  1634.          * @property {string} short_tweet_url - "https://t.co/KeXR8T910R"
  1635.          * @property {string} tweet_text - "Tracer providing some In-flight entertainment"
  1636.          */
  1637.         /** @returns {TweetMediaEntry[]} */
  1638.         static parseTweetLegacyMedias(tweetResult, tweetLegacy, tweetUser) {
  1639.             if (!tweetLegacy.extended_entities || !tweetLegacy.extended_entities.media) {
  1640.                 return [];
  1641.             }
  1642.  
  1643.             const medias = [];
  1644.             const typeIndex = {}; // "photo", "video", "animated_gif"
  1645.             let index = -1;
  1646.  
  1647.             for (const media of tweetLegacy.extended_entities.media) {
  1648.                 index++;
  1649.                 let   type          = media.type;
  1650.                 const type_original = media.type;
  1651.                 typeIndex[type] = (typeIndex[type] === undefined ? -1 : typeIndex[type]) + 1;
  1652.                 if (type === "animated_gif") {
  1653.                     type = "video";
  1654.                     typeIndex[type] = (typeIndex[type] === undefined ? -1 : typeIndex[type]) + 1;
  1655.                 }
  1656.  
  1657.                 let download_url;
  1658.                 if (media.video_info) {
  1659.                     const videoInfo = media.video_info.variants
  1660.                         .filter(el => el.bitrate !== undefined) // if content_type: "application/x-mpegURL" // .m3u8
  1661.                         .reduce((acc, cur) => cur.bitrate > acc.bitrate ? cur : acc);
  1662.                     download_url = videoInfo.url;
  1663.                 } else {
  1664.                     if (media.media_url_https.includes("?format=")) {
  1665.                         download_url = media.media_url_https;
  1666.                     } else {
  1667.                         // "https://pbs.twimg.com/media/FWYvXNMXgAA7se2.jpg" -> "https://pbs.twimg.com/media/FWYvXNMXgAA7se2?format=jpg&name=orig"
  1668.                         const parts = media.media_url_https.split(".");
  1669.                         const ext = parts[parts.length - 1];
  1670.                         const urlPart = parts.slice(0, -1).join(".");
  1671.                         download_url = `${urlPart}?format=${ext}&name=orig`;
  1672.                     }
  1673.                 }
  1674.  
  1675.                 const screen_name   = tweetUser.legacy.screen_name;              // "kreamu"
  1676.                 const tweet_id      = tweetResult.rest_id || tweetLegacy.id_str; // "1687962620173733890"
  1677.  
  1678.                 const type_index          = typeIndex[type];          // 0
  1679.                 const type_index_original = typeIndex[type_original]; // 0
  1680.  
  1681.                 const preview_url = media.media_url_https; // "https://pbs.twimg.com/ext_tw_video_thumb/1687949851516862464/pu/img/mTBjwz--nylYk5Um.jpg"
  1682.                 const media_id    = media.id_str;          //   "1687949851516862464"
  1683.                 const media_key   = media.media_key;       // "7_1687949851516862464"
  1684.  
  1685.                 const expanded_url       = media.expanded_url; // "https://twitter.com/kreamu/status/1687962620173733890/video/1"
  1686.                 const short_expanded_url = media.display_url;  // "pic.twitter.com/KeXR8T910R"
  1687.                 const short_tweet_url    = media.url;          // "https://t.co/KeXR8T910R"
  1688.                 const tweet_text = tweetLegacy.full_text       // "Tracer providing some In-flight entertainment https://t.co/KeXR8T910R"
  1689.                                               .replace(` ${media.url}`, "");
  1690.  
  1691.                 // {screen_name, tweet_id, download_url, preview_url, type_index}
  1692.                 /** @type {TweetMediaEntry} */
  1693.                 const mediaEntry = {
  1694.                     screen_name, tweet_id,
  1695.                     download_url, type, type_original, index,
  1696.                     type_index, type_index_original,
  1697.                     preview_url, media_id, media_key,
  1698.                     expanded_url, short_expanded_url, short_tweet_url, tweet_text,
  1699.                 };
  1700.                 medias.push(mediaEntry);
  1701.             }
  1702.  
  1703.             verbose && console.log("[ujs][parseTweetLegacyMedias] medias", medias);
  1704.             return medias;
  1705.         }
  1706.  
  1707.         static async getTweetMedias(tweetId) {
  1708.             const tweetJson = await API.getTweetJson(tweetId);
  1709.             const {tweetResult, tweetLegacy, tweetUser} = API.parseTweetJson(tweetJson, tweetId);
  1710.  
  1711.             let result = API.parseTweetLegacyMedias(tweetResult, tweetLegacy, tweetUser);
  1712.  
  1713.             if (tweetResult.quoted_status_result && tweetResult.quoted_status_result.result /* check is the qouted tweet not deleted */) {
  1714.                 const tweetResultQuoted = tweetResult.quoted_status_result.result;
  1715.                 const tweetLegacyQuoted = tweetResultQuoted.legacy;
  1716.                 const tweetUserQuoted   = tweetResultQuoted.core.user_results.result;
  1717.                 result = [...result, ...API.parseTweetLegacyMedias(tweetResultQuoted, tweetLegacyQuoted, tweetUserQuoted)];
  1718.             }
  1719.  
  1720.             return result;
  1721.         }
  1722.  
  1723.  
  1724.         // todo: keep `queryId` updated
  1725.         // https://github.com/fa0311/TwitterInternalAPIDocument/blob/master/docs/json/API.json
  1726.         static TweetDetailQueryId      = "xOhkmRac04YFZmOzU9PJHg"; // TweetDetail      (for videos)
  1727.         static UserByScreenNameQueryId = "G3KGOASz96M-Qu0nwmGXNg"; // UserByScreenName (for the direct user profile url)
  1728.  
  1729.         static createTweetJsonEndpointUrl(tweetId) {
  1730.             const variables = {
  1731.                 "focalTweetId": tweetId,
  1732.                 "with_rux_injections": false,
  1733.                 "includePromotedContent": true,
  1734.                 "withCommunity": true,
  1735.                 "withQuickPromoteEligibilityTweetFields": true,
  1736.                 "withBirdwatchNotes": true,
  1737.                 "withVoice": true,
  1738.                 "withV2Timeline": true
  1739.             };
  1740.             const features = {
  1741.                 "rweb_lists_timeline_redesign_enabled": true,
  1742.                 "responsive_web_graphql_exclude_directive_enabled": true,
  1743.                 "verified_phone_label_enabled": false,
  1744.                 "creator_subscriptions_tweet_preview_api_enabled": true,
  1745.                 "responsive_web_graphql_timeline_navigation_enabled": true,
  1746.                 "responsive_web_graphql_skip_user_profile_image_extensions_enabled": false,
  1747.                 "tweetypie_unmention_optimization_enabled": true,
  1748.                 "responsive_web_edit_tweet_api_enabled": true,
  1749.                 "graphql_is_translatable_rweb_tweet_is_translatable_enabled": true,
  1750.                 "view_counts_everywhere_api_enabled": true,
  1751.                 "longform_notetweets_consumption_enabled": true,
  1752.                 "responsive_web_twitter_article_tweet_consumption_enabled": false,
  1753.                 "tweet_awards_web_tipping_enabled": false,
  1754.                 "freedom_of_speech_not_reach_fetch_enabled": true,
  1755.                 "standardized_nudges_misinfo": true,
  1756.                 "tweet_with_visibility_results_prefer_gql_limited_actions_policy_enabled": true,
  1757.                 "longform_notetweets_rich_text_read_enabled": true,
  1758.                 "longform_notetweets_inline_media_enabled": true,
  1759.                 "responsive_web_media_download_video_enabled": false,
  1760.                 "responsive_web_enhance_cards_enabled": false
  1761.             };
  1762.             const fieldToggles = {
  1763.                 "withArticleRichContentState": false
  1764.             };
  1765.  
  1766.             const urlBase = `https://${sitename}.com/i/api/graphql/${API.TweetDetailQueryId}/TweetDetail`;
  1767.             const urlObj = new URL(urlBase);
  1768.             urlObj.searchParams.set("variables", JSON.stringify(variables));
  1769.             urlObj.searchParams.set("features", JSON.stringify(features));
  1770.             urlObj.searchParams.set("fieldToggles", JSON.stringify(fieldToggles));
  1771.             const url = urlObj.toString();
  1772.             return url;
  1773.         }
  1774.  
  1775.         static async getUserInfo(username) {
  1776.             const variables = JSON.stringify({
  1777.                 "screen_name": username,
  1778.                 "withSafetyModeUserFields": true,
  1779.                 "withSuperFollowsUserFields": true
  1780.             });
  1781.             const url = `https://${sitename}.com/i/api/graphql/${API.UserByScreenNameQueryId}/UserByScreenName?variables=${encodeURIComponent(variables)}`;
  1782.             const json = await API.apiRequest(url);
  1783.             verbose && console.log("[ujs][getUserInfo][json]", json);
  1784.             return json.data.user.result.legacy.entities.url?.urls[0].expanded_url;
  1785.         }
  1786.     }
  1787.  
  1788.     return API;
  1789. }
  1790.  
  1791. function getHistoryHelper() {
  1792.     function migrateLocalStore() {
  1793.         // 2023.07.05 // todo: uncomment after two+ months
  1794.         // Currently I disable it for cases if some browser's tabs uses the old version of the script.
  1795.         // const migrated = localStorage.getItem(StorageNames.migrated);
  1796.         // if (migrated === "true") {
  1797.         //     return;
  1798.         // }
  1799.  
  1800.         const newToOldNameMap = [
  1801.             [StorageNames.settings,                StorageNamesOld.settings],
  1802.             [StorageNames.settingsImageHistoryBy,  StorageNamesOld.settingsImageHistoryBy],
  1803.             [StorageNames.downloadedImageNames,    StorageNamesOld.downloadedImageNames],
  1804.             [StorageNames.downloadedImageTweetIds, StorageNamesOld.downloadedImageTweetIds],
  1805.             [StorageNames.downloadedVideoTweetIds, StorageNamesOld.downloadedVideoTweetIds],
  1806.         ];
  1807.  
  1808.         /**
  1809.          * @param {string} newName
  1810.          * @param {string} oldName
  1811.          * @param {string} value
  1812.          */
  1813.         function setValue(newName, oldName, value) {
  1814.             try {
  1815.                 localStorage.setItem(newName, value);
  1816.             } catch (err) {
  1817.                 localStorage.removeItem(oldName); // if there is no space ("exceeded the quota")
  1818.                 localStorage.setItem(newName, value);
  1819.             }
  1820.             localStorage.removeItem(oldName);
  1821.         }
  1822.  
  1823.         function mergeOldWithNew({newName, oldName}) {
  1824.             const oldValueStr = localStorage.getItem(oldName);
  1825.             if (oldValueStr === null) {
  1826.                 return;
  1827.             }
  1828.             const newValueStr = localStorage.getItem(newName);
  1829.             if (newValueStr === null) {
  1830.                 setValue(newName, oldName, oldValueStr);
  1831.                 return;
  1832.             }
  1833.             try {
  1834.                 const oldValue = JSON.parse(oldValueStr);
  1835.                 const newValue = JSON.parse(newValueStr);
  1836.                 if (Array.isArray(oldValue) && Array.isArray(newValue)) {
  1837.                     const resultArray = [...new Set([...newValue, ...oldValue])];
  1838.                     const resultArrayStr = JSON.stringify(resultArray);
  1839.                     setValue(newName, oldName, resultArrayStr);
  1840.                 }
  1841.             } catch (err) {
  1842.                 // return;
  1843.             }
  1844.         }
  1845.  
  1846.         for (const [newName, oldName] of newToOldNameMap) {
  1847.             mergeOldWithNew({newName, oldName});
  1848.         }
  1849.         // localStorage.setItem(StorageNames.migrated, "true");
  1850.     }
  1851.  
  1852.     function exportHistory(onDone) {
  1853.         const exportObject = [
  1854.             StorageNames.settings,
  1855.             StorageNames.settingsImageHistoryBy,
  1856.             StorageNames.downloadedImageNames,    // only if "settingsImageHistoryBy" === "IMAGE_NAME" (by default)
  1857.             StorageNames.downloadedImageTweetIds, // only if "settingsImageHistoryBy" === "TWEET_ID" (need to set manually with DevTools)
  1858.             StorageNames.downloadedVideoTweetIds,
  1859.         ].reduce((acc, name) => {
  1860.             const valueStr = localStorage.getItem(name);
  1861.             if (valueStr === null) {
  1862.                 return acc;
  1863.             }
  1864.             let value = JSON.parse(valueStr);
  1865.             if (Array.isArray(value)) {
  1866.                 value = [...new Set(value)];
  1867.             }
  1868.             acc[name] = value;
  1869.             return acc;
  1870.         }, {});
  1871.         const browserName = localStorage.getItem(StorageNames.browserName) || getBrowserName();
  1872.         const browserLine = browserName ? "-" + browserName : "";
  1873.  
  1874.         downloadBlob(new Blob([toLineJSON(exportObject, true)]), `ujs-twitter-click-n-save-export-${dateToDayDateString(new Date())}${browserLine}.json`);
  1875.         onDone();
  1876.     }
  1877.  
  1878.     function verify(jsonObject) {
  1879.         if (Array.isArray(jsonObject)) {
  1880.             throw new Error("Wrong object! JSON contains an array.");
  1881.         }
  1882.         if (Object.keys(jsonObject).some(key => !key.startsWith("ujs-twitter-click-n-save"))) {
  1883.             throw new Error("Wrong object! The keys should start with 'ujs-twitter-click-n-save'.");
  1884.         }
  1885.     }
  1886.  
  1887.     function importHistory(onDone, onError) {
  1888.         const importInput = document.createElement("input");
  1889.         importInput.type = "file";
  1890.         importInput.accept = "application/json";
  1891.         importInput.style.display = "none";
  1892.         document.body.prepend(importInput);
  1893.         importInput.addEventListener("change", async _event => {
  1894.             let json;
  1895.             try {
  1896.                 json = JSON.parse(await importInput.files[0].text());
  1897.                 verify(json);
  1898.  
  1899.                 Object.entries(json).forEach(([key, value]) => {
  1900.                     if (Array.isArray(value)) {
  1901.                         value = [...new Set(value)];
  1902.                     }
  1903.                     localStorage.setItem(key, JSON.stringify(value));
  1904.                 });
  1905.                 onDone();
  1906.             } catch (err) {
  1907.                 onError(err);
  1908.             } finally {
  1909.                 await sleep(1000);
  1910.                 importInput.remove();
  1911.             }
  1912.         });
  1913.         importInput.click();
  1914.     }
  1915.  
  1916.     function mergeHistory(onDone, onError) { // Only merges arrays
  1917.         const mergeInput = document.createElement("input");
  1918.         mergeInput.type = "file";
  1919.         mergeInput.accept = "application/json";
  1920.         mergeInput.style.display = "none";
  1921.         document.body.prepend(mergeInput);
  1922.         mergeInput.addEventListener("change", async _event => {
  1923.             let json;
  1924.             try {
  1925.                 json = JSON.parse(await mergeInput.files[0].text());
  1926.                 verify(json);
  1927.                 Object.entries(json).forEach(([key, value]) => {
  1928.                     if (!Array.isArray(value)) {
  1929.                         return;
  1930.                     }
  1931.                     const existedValue = JSON.parse(localStorage.getItem(key));
  1932.                     if (Array.isArray(existedValue)) {
  1933.                         const resultValue = [...new Set([...existedValue, ...value])];
  1934.                         localStorage.setItem(key, JSON.stringify(resultValue));
  1935.                     } else {
  1936.                         localStorage.setItem(key, JSON.stringify(value));
  1937.                     }
  1938.                 });
  1939.                 onDone();
  1940.             } catch (err) {
  1941.                 onError(err);
  1942.             } finally {
  1943.                 await sleep(1000);
  1944.                 mergeInput.remove();
  1945.             }
  1946.         });
  1947.         mergeInput.click();
  1948.     }
  1949.  
  1950.     return {exportHistory, importHistory, mergeHistory, migrateLocalStore};
  1951. }
  1952.  
  1953. // ---------------------------------------------------------------------------------------------------------------------
  1954. // ---------------------------------------------------------------------------------------------------------------------
  1955. // --- Common Utils --- //
  1956.  
  1957. // --- LocalStorage util class --- //
  1958. function hoistLS(settings = {}) {
  1959.     const {
  1960.         verbose, // debug "messages" in the document.title
  1961.     } = settings;
  1962.  
  1963.     class LS {
  1964.         constructor(name) {
  1965.             this.name = name;
  1966.         }
  1967.         getItem(defaultValue) {
  1968.             return LS.getItem(this.name, defaultValue);
  1969.         }
  1970.         setItem(value) {
  1971.             LS.setItem(this.name, value);
  1972.         }
  1973.         removeItem() {
  1974.             LS.removeItem(this.name);
  1975.         }
  1976.         async pushItem(value) {  // array method
  1977.             await LS.pushItem(this.name, value);
  1978.         }
  1979.         async popItem(value) {   // array method
  1980.             await LS.popItem(this.name, value);
  1981.         }
  1982.         hasItem(value) {         // array method
  1983.             return LS.hasItem(this.name, value);
  1984.         }
  1985.  
  1986.         static getItem(name, defaultValue) {
  1987.             const value = localStorage.getItem(name);
  1988.             if (value === undefined) {
  1989.                 return undefined;
  1990.             }
  1991.             if (value === null) { // when there is no such item
  1992.                 LS.setItem(name, defaultValue);
  1993.                 return defaultValue;
  1994.             }
  1995.             return JSON.parse(value);
  1996.         }
  1997.         static setItem(name, value) {
  1998.             localStorage.setItem(name, JSON.stringify(value));
  1999.         }
  2000.         static removeItem(name) {
  2001.             localStorage.removeItem(name);
  2002.         }
  2003.         static async pushItem(name, value) {
  2004.             const array = LS.getItem(name, []);
  2005.             array.push(value);
  2006.             LS.setItem(name, array);
  2007.  
  2008.             //sanity check
  2009.             await sleep(50);
  2010.             if (!LS.hasItem(name, value)) {
  2011.                 if (verbose) {
  2012.                     document.title = "🟥" + document.title;
  2013.                 }
  2014.                 await LS.pushItem(name, value);
  2015.             }
  2016.         }
  2017.         static async popItem(name, value) { // remove from an array
  2018.             const array = LS.getItem(name, []);
  2019.             if (array.indexOf(value) !== -1) {
  2020.                 array.splice(array.indexOf(value), 1);
  2021.                 LS.setItem(name, array);
  2022.  
  2023.                 //sanity check
  2024.                 await sleep(50);
  2025.                 if (LS.hasItem(name, value)) {
  2026.                     if (verbose) {
  2027.                         document.title = "🟨" + document.title;
  2028.                     }
  2029.                     await LS.popItem(name, value);
  2030.                 }
  2031.             }
  2032.         }
  2033.         static hasItem(name, value) { // has in array
  2034.             const array = LS.getItem(name, []);
  2035.             return array.indexOf(value) !== -1;
  2036.         }
  2037.     }
  2038.  
  2039.     return LS;
  2040. }
  2041.  
  2042. // --- Just groups them in a function for the convenient code looking --- //
  2043. function getUtils({verbose}) {
  2044.     function sleep(time) {
  2045.         return new Promise(resolve => setTimeout(resolve, time));
  2046.     }
  2047.  
  2048.     async function fetchResource(url, onProgress = props => console.log(props)) {
  2049.         try {
  2050.             /** @type {Response} */
  2051.             let response = await fetch(url, {
  2052.                 // cache: "force-cache",
  2053.             });
  2054.             const lastModifiedDateSeconds = response.headers.get("last-modified");
  2055.             const contentType = response.headers.get("content-type");
  2056.  
  2057.             const lastModifiedDate = dateToDayDateString(lastModifiedDateSeconds);
  2058.             const extension = contentType ? extensionFromMime(contentType) : null;
  2059.  
  2060.             if (onProgress) {
  2061.                 response = responseProgressProxy(response, onProgress);
  2062.             }
  2063.  
  2064.             const blob = await response.blob();
  2065.  
  2066.             // https://pbs.twimg.com/media/AbcdEFgijKL01_9?format=jpg&name=orig                                     -> AbcdEFgijKL01_9
  2067.             // https://pbs.twimg.com/ext_tw_video_thumb/1234567890123456789/pu/img/Ab1cd2345EFgijKL.jpg?name=orig   -> Ab1cd2345EFgijKL.jpg
  2068.             // https://video.twimg.com/ext_tw_video/1234567890123456789/pu/vid/946x720/Ab1cd2345EFgijKL.mp4?tag=10  -> Ab1cd2345EFgijKL.mp4
  2069.             const _url = new URL(url);
  2070.             const {filename} = (_url.origin + _url.pathname).match(/(?<filename>[^\/]+$)/).groups;
  2071.  
  2072.             const {name} = filename.match(/(?<name>^[^.]+)/).groups;
  2073.             return {blob, lastModifiedDate, contentType, extension, name, status: response.status};
  2074.         } catch (error) {
  2075.             verbose && console.error("[ujs][fetchResource]", url);
  2076.             verbose && console.error("[ujs][fetchResource]", error);
  2077.             throw error;
  2078.         }
  2079.     }
  2080.  
  2081.     function extensionFromMime(mimeType) {
  2082.         let extension = mimeType.match(/(?<=\/).+/)[0];
  2083.         extension = extension === "jpeg" ? "jpg" : extension;
  2084.         return extension;
  2085.     }
  2086.  
  2087.     // the original download url will be posted as hash of the blob url, so you can check it in the download manager's history
  2088.     function downloadBlob(blob, name, url) {
  2089.         const anchor = document.createElement("a");
  2090.         anchor.setAttribute("download", name || "");
  2091.         const blobUrl = URL.createObjectURL(blob);
  2092.         anchor.href = blobUrl + (url ? ("#" + url) : "");
  2093.         anchor.click();
  2094.         setTimeout(() => URL.revokeObjectURL(blobUrl), 30000);
  2095.     }
  2096.  
  2097.     // "Sun, 10 Jan 2021 22:22:22 GMT" -> "2021.01.10"
  2098.     function dateToDayDateString(dateValue, utc = true) {
  2099.         const _date = new Date(dateValue);
  2100.         function pad(str) {
  2101.             return str.toString().padStart(2, "0");
  2102.         }
  2103.         const _utc = utc ? "UTC" : "";
  2104.         const year  = _date[`get${_utc}FullYear`]();
  2105.         const month = _date[`get${_utc}Month`]() + 1;
  2106.         const date  = _date[`get${_utc}Date`]();
  2107.  
  2108.         return year + "." + pad(month) + "." + pad(date);
  2109.     }
  2110.  
  2111.     function addCSS(css) {
  2112.         const styleElem = document.createElement("style");
  2113.         styleElem.textContent = css;
  2114.         document.body.append(styleElem);
  2115.         return styleElem;
  2116.     }
  2117.  
  2118.     function getCookie(name) {
  2119.         verbose && console.log("[ujs][getCookie]", document.cookie);
  2120.         const regExp = new RegExp(`(?<=${name}=)[^;]+`);
  2121.         return document.cookie.match(regExp)?.[0];
  2122.     }
  2123.  
  2124.     function throttle(runnable, time = 50) {
  2125.         let waiting = false;
  2126.         let queued = false;
  2127.         let context;
  2128.         let args;
  2129.  
  2130.         return function() {
  2131.             if (!waiting) {
  2132.                 waiting = true;
  2133.                 setTimeout(function() {
  2134.                     if (queued) {
  2135.                         runnable.apply(context, args);
  2136.                         context = args = undefined;
  2137.                     }
  2138.                     waiting = queued = false;
  2139.                 }, time);
  2140.                 return runnable.apply(this, arguments);
  2141.             } else {
  2142.                 queued = true;
  2143.                 context = this;
  2144.                 args = arguments;
  2145.             }
  2146.         }
  2147.     }
  2148.  
  2149.     function throttleWithResult(func, time = 50) {
  2150.         let waiting = false;
  2151.         let args;
  2152.         let context;
  2153.         let timeout;
  2154.         let promise;
  2155.  
  2156.         return async function() {
  2157.             if (!waiting) {
  2158.                 waiting = true;
  2159.                 timeout = new Promise(async resolve => {
  2160.                     await sleep(time);
  2161.                     waiting = false;
  2162.                     resolve();
  2163.                 });
  2164.                 return func.apply(this, arguments);
  2165.             } else {
  2166.                 args = arguments;
  2167.                 context = this;
  2168.             }
  2169.  
  2170.             if (!promise) {
  2171.                 promise = new Promise(async resolve => {
  2172.                     await timeout;
  2173.                     const result = func.apply(context, args);
  2174.                     args = context = promise = undefined;
  2175.                     resolve(result);
  2176.                 });
  2177.             }
  2178.             return promise;
  2179.         }
  2180.     }
  2181.  
  2182.     function xpath(path, node = document) {
  2183.         let xPathResult = document.evaluate(path, node, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null);
  2184.         return xPathResult.singleNodeValue;
  2185.     }
  2186.     function xpathAll(path, node = document) {
  2187.         let xPathResult = document.evaluate(path, node, null, XPathResult.ORDERED_NODE_ITERATOR_TYPE, null);
  2188.         const nodes = [];
  2189.         try {
  2190.             let node = xPathResult.iterateNext();
  2191.  
  2192.             while (node) {
  2193.                 nodes.push(node);
  2194.                 node = xPathResult.iterateNext();
  2195.             }
  2196.             return nodes;
  2197.         } catch (err) {
  2198.             // todo need investigate it
  2199.             console.error(err); // "The document has mutated since the result was returned."
  2200.             return [];
  2201.         }
  2202.     }
  2203.  
  2204.     const identityContentEncodings = new Set([null, "identity", "no encoding"]);
  2205.     function getOnProgressProps(response) {
  2206.         const {headers, status, statusText, url, redirected, ok} = response;
  2207.         const isIdentity = identityContentEncodings.has(headers.get("Content-Encoding"));
  2208.         const compressed = !isIdentity;
  2209.         const _contentLength = parseInt(headers.get("Content-Length")); // `get()` returns `null` if no header present
  2210.         const contentLength = isNaN(_contentLength) ? null : _contentLength;
  2211.         const lengthComputable = isIdentity && _contentLength !== null;
  2212.  
  2213.         // Original XHR behaviour; in TM it equals to `contentLength`, or `-1` if `contentLength` is `null` (and `0`?).
  2214.         const total = lengthComputable ? contentLength : 0;
  2215.         const gmTotal = contentLength > 0 ? contentLength : -1; // Like `total` is in TM and GM.
  2216.  
  2217.         return {
  2218.             gmTotal, total, lengthComputable,
  2219.             compressed, contentLength,
  2220.             headers, status, statusText, url, redirected, ok
  2221.         };
  2222.     }
  2223.     function responseProgressProxy(response, onProgress) {
  2224.         const onProgressProps = getOnProgressProps(response);
  2225.         let loaded = 0;
  2226.         const reader = response.body.getReader();
  2227.         const readableStream = new ReadableStream({
  2228.             async start(controller) {
  2229.                 while (true) {
  2230.                     const {done, /** @type {Uint8Array} */ value} = await reader.read();
  2231.                     if (done) {
  2232.                         break;
  2233.                     }
  2234.                     loaded += value.length;
  2235.                     try {
  2236.                         onProgress({loaded, ...onProgressProps});
  2237.                     } catch (err) {
  2238.                         console.error("[ujs][onProgress]:", err);
  2239.                     }
  2240.                     controller.enqueue(value);
  2241.                 }
  2242.                 controller.close();
  2243.                 reader.releaseLock();
  2244.             },
  2245.             cancel() {
  2246.                 void reader.cancel();
  2247.             }
  2248.         });
  2249.         return new ResponseEx(readableStream, response);
  2250.     }
  2251.     class ResponseEx extends Response {
  2252.         [Symbol.toStringTag] = "ResponseEx";
  2253.  
  2254.         constructor(body, {headers, status, statusText, url, redirected, type, ok}) {
  2255.             super(body, {
  2256.                 status, statusText, headers: {
  2257.                     ...headers,
  2258.                     "content-type": headers.get("content-type")?.split("; ")[0] // Fixes Blob type ("text/html; charset=UTF-8") in TM
  2259.                 }
  2260.             });
  2261.             this._type = type;
  2262.             this._url = url;
  2263.             this._redirected = redirected;
  2264.             this._ok = ok;
  2265.             this._headers = headers; // `HeadersLike` is more user-friendly for debug than the original `Headers` object
  2266.         }
  2267.         get redirected() { return this._redirected; }
  2268.         get url() { return this._url; }
  2269.         get type() { return this._type || "basic"; }
  2270.         get ok() { return this._ok; }
  2271.         /** @returns {Headers} - `Headers`-like object */
  2272.         get headers() { return this._headers; }
  2273.     }
  2274.  
  2275.     function toLineJSON(object, prettyHead = false) {
  2276.         let result = "{\n";
  2277.         const entries = Object.entries(object);
  2278.         const length = entries.length;
  2279.         if (prettyHead && length > 0) {
  2280.             result += `"${entries[0][0]}":${JSON.stringify(entries[0][1], null, " ")}`;
  2281.             if (length > 1) {
  2282.                 result += `,\n\n`;
  2283.             }
  2284.         }
  2285.         for (let i = 1; i < length - 1; i++) {
  2286.             result += `"${entries[i][0]}":${JSON.stringify(entries[i][1])},\n`;
  2287.         }
  2288.         if (length > 0 && !prettyHead || length > 1) {
  2289.             result += `"${entries[length - 1][0]}":${JSON.stringify(entries[length - 1][1])}`;
  2290.         }
  2291.         result += `\n}`;
  2292.         return result;
  2293.     }
  2294.  
  2295.     const isFirefox = navigator.userAgent.toLowerCase().indexOf("firefox") !== -1;
  2296.  
  2297.     function getBrowserName() {
  2298.         const userAgent = window.navigator.userAgent.toLowerCase();
  2299.         return userAgent.indexOf("edge") > -1 ? "edge-legacy"
  2300.             : userAgent.indexOf("edg") > -1 ? "edge"
  2301.             : userAgent.indexOf("opr") > -1 && !!window.opr ? "opera"
  2302.             : userAgent.indexOf("chrome") > -1 && !!window.chrome ? "chrome"
  2303.             : userAgent.indexOf("firefox") > -1 ? "firefox"
  2304.             : userAgent.indexOf("safari") > -1 ? "safari"
  2305.             : "";
  2306.     }
  2307.  
  2308.     function removeSearchParams(url) {
  2309.         const urlObj = new URL(url);
  2310.         const keys = []; // FF + VM fix // Instead of [...urlObj.searchParams.keys()]
  2311.         urlObj.searchParams.forEach((v, k) => { keys.push(k); });
  2312.         for (const key of keys) {
  2313.             urlObj.searchParams.delete(key);
  2314.         }
  2315.         return urlObj.toString();
  2316.     }
  2317.  
  2318.     return {
  2319.         sleep, fetchResource, extensionFromMime, downloadBlob, dateToDayDateString,
  2320.         addCSS,
  2321.         getCookie,
  2322.         throttle, throttleWithResult,
  2323.         xpath, xpathAll,
  2324.         responseProgressProxy,
  2325.         toLineJSON,
  2326.         isFirefox,
  2327.         getBrowserName,
  2328.         removeSearchParams,
  2329.     }
  2330. }
  2331.  
  2332. // ---------------------------------------------------------------------------------------------------------------------
  2333. // ---------------------------------------------------------------------------------------------------------------------

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