Function done

docsify.js:2039–2058

(err)

        pending = tokens.length;
    
        var done = function(err) {
          if (err) {
            opt.highlight = highlight;
            return callback(err);
          }
    
          var out;
    
          try {
            out = Parser.parse(tokens, opt);
          } catch (e) {
            err = e;
          }
    
          opt.highlight = highlight;
    
          return err
            ? callback(err)
            : callback(null, out);
        };
    
        if (!highlight || highlight.length < 3) {
          return done();