opener.js

// http://vimperator.g.hatena.ne.jp/voidy21/20100119/1263907211 の改良(?)版

(function () {
    let U = liberator.plugins.libly.$U;

    function jump (url) {
        let index = 0;
        let url = util.stringToURLArray(url).toString();
        for each ( [,tab] in tabs.browsers ) {
            if(url == tab.currentURI.spec){
                tabs.select(index);
                return true;
            }
            ++index;
        }
        return false;
    }

    "open tabopen edit".split(/\s/).forEach(
      function (name) {
        let command = commands.get(name);
        if (!command)
          return;
        U.around(
          command,
          "action",
          function (next, args) {
            let url = args[0].string;
            if (!(url && jump(url)))
              return next();
          },
          true
        );
      }
    );

})();