【求助】newtab-aboutconfig.uc.js 在139不能用了

// ==UserScript==
// @name            Restore browser.newtab.url in about:config
// @author          TheRealPSV
// @include         main
// @shutdown        UC.NewTabAboutConfig.destroy();
// @onlyonce
// ==/UserScript==
 
const { AboutNewTab } = ChromeUtils.import(
  "resource:///modules/AboutNewTab.jsm"
);
 
UC.NewTabAboutConfig = {
  NEW_TAB_CONFIG_PATH: "browser.newtab.url",
  init: function () {
    //fetch pref if it exists
    this.newTabURL = xPref.get(this.NEW_TAB_CONFIG_PATH);
 
    //if pref doesn't exist, give it a default value of about:blank
    if (!this.newTabURL) {
      this.newTabURL = "about:blank";
      xPref.set(this.NEW_TAB_CONFIG_PATH, this.newTabURL);
    }
 
    //set the new tab URL in the browser itself, and add a listener to update it when the config is changed
    try {
      AboutNewTab.newTabURL = this.newTabURL;
      this.prefListener = xPref.addListener(
        this.NEW_TAB_CONFIG_PATH,
        (value) => {
          AboutNewTab.newTabURL = value;
        }
      );
    } catch (e) {
      console.error(e);
    } // Browser Console
  },
 
  destroy: function () {
    xPref.removeListener(this.NEW_TAB_CONFIG_PATH);
  },
};
 
UC.NewTabAboutConfig.init();

lindongbin：(function() {  
    'use strict';  
      
    const DEFAULT_NEWTAB_URL = "about:blank";  
    const prefName = "br...回到原帖

(function() {  
    'use strict';  
       
    const DEFAULT_NEWTAB_URL = "about:blank";  
    const prefName = "browser.newtab.url";  
  
    if (!Services.prefs.prefHasUserValue(prefName)) {  
        Services.prefs.setCharPref(prefName, DEFAULT_NEWTAB_URL);  
    }  
  
    const getNewTabUrl = () => Services.prefs.getCharPref(prefName, DEFAULT_NEWTAB_URL);  
 
    if (window.BrowserCommands?.openTab) {  
        const originalOpenTab = BrowserCommands.openTab;  
           
        BrowserCommands.openTab = function({ event, url } = {}) {  
            originalOpenTab.call(this, { event, url: url || getNewTabUrl() });  
        };  
    }  
 
    if (window.gBrowser?.removeTab) {  
        const originalRemoveTab = gBrowser.removeTab;  
           
        gBrowser.removeTab = function(aTab, aParams = {}) {  
            const visibleTabs = this.visibleTabs;  
               
            if (visibleTabs.length === 1 && visibleTabs[0] === aTab) {  
                this.addTab(getNewTabUrl(), {  
                    triggeringPrincipal: Services.scriptSecurityManager.getSystemPrincipal()  
                });  
            }  
               
            return originalRemoveTab.call(this, aTab, aParams);  
        };  
    }  
})();

lindongbin：重写一个试试

// newtab-url-override.uc.js  
(function() {  
    'use strict';  
        
    const DEFAULT_NEWTAB_URL =...回到原帖

// newtab-url-override.uc.js  
(function() {  
    'use strict';  
        
    const DEFAULT_NEWTAB_URL = "about:blank";  
    const prefName = "browser.newtab.url";  
 
    if (!Services.prefs.prefHasUserValue(prefName) &&   
        Services.prefs.getPrefType(prefName) === Services.prefs.PREF_INVALID) {  
        Services.prefs.setCharPref(prefName, DEFAULT_NEWTAB_URL);  
    }  
 
    if (window.BrowserCommands && window.BrowserCommands.openTab) {  
        const originalOpenTab = BrowserCommands.openTab;  
            
        BrowserCommands.openTab = function({ event, url } = {}) {  
            if (!url) {  
                url = Services.prefs.getCharPref(prefName, DEFAULT_NEWTAB_URL);  
            }  
            originalOpenTab.call(this, { event, url });  
        };  
    }  
})();