Function clipToLine

static/js/codemirror/keymap/vim.js:1510–1517

(cm, curStart, curEnd)

    // 'dw' should word, but not the newline, while 'w' should advance the
    // caret to the first character of the next line.
    function clipToLine(cm, curStart, curEnd) {
      var selection = cm.getRange(curStart, curEnd);
      var lines = selection.split('\n');
      if (lines.length > 1 && isWhiteSpaceString(lines.pop())) {
        curEnd.line--;
        curEnd.ch = lineLength(cm, curEnd.line);
      }
    }

    // Expand the selection to line ends.
    function expandSelectionToLine(cm, curStart, curEnd) {