Function findEnd

src/codemirror.js:9058–9067

(cm, pos, by, dir)

  }

  function findEnd(cm, pos, by, dir) {
    var prefix = getPrefix(cm);
    if (prefix < 0) { dir = -dir; prefix = -prefix; }
    for (var i = 0; i < prefix; ++i) {
      var newPos = by(cm, pos, dir);
      if (posEq(newPos, pos)) break;
      pos = newPos;
    }
    return pos;
  }

  function move(by, dir) {
    var f = function(cm) {