Function adjustPos

static/js/codemirror/codemirror.js:2072–2079

(pos)

    // hint is null, leave the selection alone as much as possible
    var adjustPos = function(pos) {
      if (posLess(pos, change.from)) return pos;
      if (!posLess(change.to, pos)) return end;

      var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch;
      if (pos.line == change.to.line) ch += end.ch - change.to.ch;
      return Pos(line, ch);
    };
    return {anchor: adjustPos(doc.sel.anchor), head: adjustPos(doc.sel.head)};
  }