02var15 each15 =15 (a,c)=>15 10Array.prototype.forEach.call(a,15 c);
02var15 node15 =15 elem15 =>15 elem15 06instanceof15 10window.$15 ?15 elem[020]15 :15 elem;
02var15 smrm15 =15 elem15 =>15 getComputedStyle(node(elem)).animationName!==05"none"?node(elem).addEventListener(05'animationend',node(elem).remove):node(elem).remove();

02function15 beyond(node)15 {
15    02var15 rect15 =15 node.getBoundingClientRect();
15    02return15 (
15        (rect.x15 +15 rect.width)15 <15 02015 ||
15        (rect.y15 +15 rect.height)15 <15 02015 ||
15        (rect.x15 >15 10window.innerWidth15 ||15 rect.y15 >15 10window.innerHeight)
15    );
}

02var
15    popup15  =15 05'popup',
15    popupA15 =15 05'popupA',
15    popupF15 =15 05'popupF',
15    hilite15 =15 05'highlighted'
;

02var15 nav15 =15 {
15    setHighlight:15 (15/*HTMLElement | JQuery*/15 post,15 15/*boolean*/15 status)15 =>15 {
15        02switch15 (status)15 {
15            02case15 02true:
15                node(post).classList.add(hilite);
15                02break;
15            02case15 02false:
15                node(post).classList.remove(hilite);
15                02break;
15            02case15 02undefined:
15                node(post).classList.contains(hilite)
15                    ?15 node(post).classList.add(hilite)
15                    :15 node(post).classList.add(hilite)
15                ;
15                02break;
15            02default:
15                02break;
15        }
15    },

15    clonePost:15 (clonedPost,15 parent,15 rm)15 =>15 {
15        02switch15 (rm)15 {
15            02case15 02true:
15            02case15 02undefined:
15                clonedPost.attr(05'id',15 clonedPost.attr(05'id')+05'_copy');
15                clonedPost.addClass(popup);
15                clonedPost.addClass(popupA);

15                getComputedStyle(node(clonedPost)).animationName15 !=15 05'none'
15                    ?15 clonedPost.on(15 05'animationend',15 e15 =>15 e.target.classList.remove(popupA)15 )
15                    :15 clonedPost.removeClass(popupA)
15                ;

15                parent.append(clonedPost);
15                02break;

15            02case15 02false:
15                clonedPost.addClass(popupF);
15                smrm(clonedPost);
15                02break;

15            02default:
15                02break;
15        }

15        02return15 clonedPost;

15    },

}

02function15 enableFastNavigation()15 {15 15// Highlights and popups

15    02function15 highlightOnLinkEnter(15/*JQuery*/15 post,15 15/*JQuery*/15 link)15 {
15        nav.setHighlight(post,15 02true);
15        link.on(05'mouseleave',15 02function15 mouseLeave()15 {
15            nav.setHighlight(post,15 02false);
15            link.off(05'mouseleave',15 mouseLeave);
15        });
15    }

15    02function15 popup(15/*JQuery*/15 clonedPost,15 15/*JQuery*/15 link)15 {

15        02var15 popupDeletionTimer15 =15 02null;
15        02var15 parentPost15 =15 link.parent().parent();

15        15/* Callbacks
15        * W: Each one assumes that clonedPost and link are valid JQuery objects.*/
15        02const15 cbs15 =15 {
15            _initiateCountdown:15 ()15 =>15 {
15                popupDeletionTimer15 =15 setTimeout(15 ()15 =>15 {
15                    nav.clonePost(clonedPost,15 parentPost,15 02false);
15                    link.removeAttr(05'locked');
15                },15 02100015 );
15            },

15            15/* Postlink mouseleave callback. */
15            linkLeave:15 02function15 linkLeave(e)15 {
15                cbs._initiateCountdown();
15                clonedPost.on(05'mouseenter',15 cbs.popupEnter);

15                link.off(05'mouseleave');
15            },

15            15/* Fires when cursor leaves a popup. */
15            popupLeave:15 02function15 postLeave()15 {
15                cbs._initiateCountdown();
15                clonedPost.on(05'mouseenter',15 cbs.popupEnter);
15            },

15            15/* Fires if cursor returns onto a popup before postDeletionTimer's time is up.
15               Otherwise popup will be removed from document. */
15            popupEnter:15 02function15 postEnter()15 {
15                clearTimeout(popupDeletionTimer);
15                postDeletionTimer15 =15 02null;
15                clonedPost.off(05'mouseenter',15 popupEnter);
15            }

15        };

15        02if15 (link.attr(05'locked'))15 02return;
15        link.attr(05'locked',15 02true);
15        nav.clonePost(clonedPost,15 parentPost);

15        02let15 _l15 =15 node(link),15 _ld15 =15 _l.getBoundingClientRect();
15        clonedPost
15            .css(05'position',15 05'absolute')
15            .css(05'left',15 _l.offsetLeft15 +15 05'px')
15            .css(05'top',15  _l.offsetTop15 +15 _ld.height15 +15 05'px')
15        ;

15        link.on(05'mouseleave',15 cbs.linkLeave);
15        clonedPost.on(05'mouseleave',15 cbs.popupLeave);
15    }

15    02function15 show(e)15 {

15        02let15 link15 =15 $(e.target),
15            numb15 =15 link.text().substr(022),
15            post15 =15 $(05`05#reply05${numb05}05`)15 ||15 02null;

15        02if15 (node(post))15 {
15            02if(15 beyond(node(post))15 )15 {
15                02let15 _embed15 =15 node(post).cloneNode(02true);

15                each(_embed.children,15 item15 =>15 {
15                    02if15 (item.classList.contains(popup))15 item.remove();

15                });

15                popup($(_embed),15 link);
15            }15 02else15 {
15                highlightOnLinkEnter(post,15 link);
15            }
15        }
15    }

15    $(10document).on(05'mouseenter',15 05'.message a[href*="res"]',15 show);
}

10document.addEventListener(05'DOMContentLoaded',15 enableFastNavigation);