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function(t,e,r){"use strict";var n=r(595042),i=r(670200);t.exports=function(t,e,r,o,a){var s=i(t.getSelection()),u=n.decode(e),c=u.blockKey,l=t.getBlockTree(c),f=l&&l.getIn([u.decoratorKey,"leaves",u.leafKey]),p=n.decode(o),h=p.blockKey,d=t.getBlockTree(h),g=d&&d.getIn([p.decoratorKey,"leaves",p.leafKey]);if(!f||!g)return s;var y=f.get("start"),v=g.get("start"),m=f?y+r:null,_=g?v+a:null;if(s.getAnchorKey()===c&&s.getAnchorOffset()===m&&s.getFocusKey()===h&&s.getFocusOffset()===_)return s;var b=!1;if(c===h){var S=f.get("end"),w=g.get("end");b=v===y&&w===S?a<r:v<y}else b=t.getCurrentContent().getBlockMap().keySeq().skipUntil(function(t){return t===c||t===h}).first()===h;return s.merge({anchorKey:c,anchorOffset:m,focusKey:h,focusOffset:_,isBackward:b})}}