Function computeMaxLength

static/js/codemirror/codemirror.js:288–300

(cm)

  }

  function computeMaxLength(cm) {
    var d = cm.display, doc = cm.doc;
    d.maxLine = getLine(doc, doc.first);
    d.maxLineLength = lineLength(doc, d.maxLine);
    d.maxLineChanged = true;
    doc.iter(function(line) {
      var len = lineLength(doc, line);
      if (len > d.maxLineLength) {
        d.maxLineLength = len;
        d.maxLine = line;
      }
    });
  }

  // Make sure the gutters options contains the element
  // "CodeMirror-linenumbers" when the lineNumbers option is true.