Function isInRange

lib/web/CodeMirror/keymap/vim.js:4496–4510

* Check if pos is in the specified range, INCLUSIVE. * Range can be specified with 1 or 2 arguments. * If the first range argument is an array, treat it as an array of line * numbers. Match pos against any of the lines. * If the first range argument is a number, * if there

(pos, start, end)

     *       range arguments.
     */
    function isInRange(pos, start, end) {
      if (typeof pos != 'number') {
        // Assume it is a cursor position. Get the line number.
        pos = pos.line;
      }
      if (start instanceof Array) {
        return inArray(pos, start);
      } else {
        if (end) {
          return (pos >= start && pos <= end);
        } else {
          return pos == start;
        }
      }
    }
    function getUserVisibleLines(cm) {
      var scrollInfo = cm.getScrollInfo();
      var occludeToleranceTop = 6;