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https://alumni.uminho.pt/_catalogs/masterpage/alumni/js/smoothscroll.min.js

js uminho.pt collected 2026-09-24 07:43:58 UTC 4,498 bytes, 4 lines download raw bytes

1(function(){function et(){var t=!1;t&&ht("keydown",tt);n.keyboardSupport&&!t&&s("keydown",tt)}function g(){var u,s,f;if(document.body){var t=document.body,i=document.documentElement,r=window.innerHeight,h=t.scrollHeight;e=document.compatMode.indexOf("CSS")>=0?i:t;o=t;et();d=!0;top!=self?k=!0:h>r&&(t.offsetHeight<=r||i.offsetHeight<=r)&&(u=!1,s=function(){u||i.scrollHeight==document.height||(u=!0,setTimeout(function(){i.style.height=document.height+"px";u=!1},500))},i.style.height="auto",setTimeout(s,10),e.offsetHeight<=r&&(f=document.createElement("div"),f.style.clear="both",t.appendChild(f)));n.fixedBackground||ft||(t.style.backgroundAttachment="scroll",i.style.backgroundAttachment="scroll")}}function nt(t,r,u,f){var l,o,e,a,s;(f||(f=1e3),ct(r,u),n.accelerationMax!=1&&(l=+new Date,o=l-c,o<n.accelerationDelta&&(e=(1+30/o)/2,e>1&&(e=Math.min(e,n.accelerationMax),r*=e,u*=e)),c=+new Date),i.push({x:r,y:u,lastX:r<0?.99:-.99,lastY:u<0?.99:-.99,start:+new Date}),h)||(a=t===document.body,s=function(){for(var y,p,d=+new Date,c=0,l=0,o=0;o<i.length;o++){var e=i[o],b=d-e.start,k=b>=n.animationTime,v=k?1:b/n.animationTime;n.pulseAlgorithm&&(v=vt(v));y=e.x*v-e.lastX>>0;p=e.y*v-e.lastY>>0;c+=y;l+=p;e.lastX+=y;e.lastY+=p;k&&(i.splice(o,1),o--)}a?window.scrollBy(c,l):(c&&(t.scrollLeft+=c),l&&(t.scrollTop+=l));r||u||(i=[]);i.length?w(s,t,f/n.frameRate+1):h=!1},w(s,t,0),h=!0)}function ot(t){var u,f,r,i;if((d||g(),u=t.target,f=it(u),!f||t.defaultPrevented||y(o,"embed")||y(u,"embed")&&/\.pdf/i.test(u.src))||(r=t.wheelDeltaX||0,i=t.wheelDeltaY||0,r||i||(i=t.wheelDelta||0),!n.touchpadSupport&&at(i)))return!0;Math.abs(r)>1.2&&(r*=n.stepSize/120);Math.abs(i)>1.2&&(i*=n.stepSize/120);nt(f,-r,-i);t.preventDefault()}function tt(i){var e=i.target,l=i.ctrlKey||i.altKey||i.metaKey||i.shiftKey&&i.keyCode!==t.spacebar,h;if(/input|textarea|select|embed/i.test(e.nodeName)||e.isContentEditable||i.defaultPrevented||l||y(e,"button")&&i.keyCode===t.spacebar)return!0;var c,s=0,r=0,u=it(o),f=u.clientHeight;u==document.body&&(f=window.innerHeight);switch(i.keyCode){case t.up:r=-n.arrowScroll;break;case t.down:r=n.arrowScroll;break;case t.spacebar:c=i.shiftKey?1:-1;r=-c*f*.9;break;case t.pageup:r=-f*.9;break;case t.pagedown:r=f*.9;break;case t.home:r=-u.scrollTop;break;case t.end:h=u.scrollHeight-u.scrollTop-f;r=h>0?h+10:0;break;case t.left:s=-n.arrowScroll;break;case t.right:s=n.arrowScroll;break;default:return!0}nt(u,s,r);i.preventDefault()}function st(n){o=n.target}function v(n,t){for(var i=n.length;i--;)l[a(n[i])]=t;return t}function it(n){var t=[],r=e.scrollHeight,i;do{if(i=l[a(n)],i)return v(t,i);if(t.push(n),r===n.scrollHeight){if(!k||e.clientHeight+10<r)return v(t,document.body)}else if(n.clientHeight+10<n.scrollHeight&&(overflow=getComputedStyle(n,"").getPropertyValue("overflow-y"),overflow==="scroll"||overflow==="auto"))return v(t,n)}while(n=n.parentNode)}function s(n,t,i){window.addEventListener(n,t,i||!1)}function ht(n,t,i){window.removeEventListener(n,t,i||!1)}function y(n,t){return(n.nodeName||"").toLowerCase()===t.toLowerCase()}function ct(n,t){n=n>0?1:-1;t=t>0?1:-1;(f.x!==n||f.y!==t)&&(f.x=n,f.y=t,i=[],c=0)}function at(n){if(n){n=Math.abs(n);r.push(n);r.shift();clearTimeout(lt);var t=p(r[0],120)&&p(r[1],120)&&p(r[2],120);return!t}}function p(n,t){return Math.floor(n/t)==n/t}function rt(t){var i,r,u;return t=t*n.pulseScale,t<1?i=t-(1-Math.exp(-t)):(r=Math.exp(-1),t-=1,u=1-Math.exp(-t),i=r+u*(1-r)),i*n.pulseNormalize}function vt(t){return t>=1?1:t<=0?0:(n.pulseNormalize==1&&(n.pulseNormalize/=rt(1)),rt(t))}var b={frameRate:150,animationTime:600,stepSize:80,pulseAlgorithm:!0,pulseScale:8,pulseNormalize:1,accelerationDelta:20,accelerationMax:1,keyboardSupport:!0,arrowScroll:50,touchpadSupport:!0,fixedBackground:!0,excluded:""},n=b,ft=!1,k=!1,f={x:0,y:0},d=!1,e=document.documentElement,o,r=[120,120,120],t={left:37,up:38,right:39,down:40,spacebar:32,pageup:33,pagedown:34,end:35,home:36},n=b,i=[],h=!1,c=+new Date,l={},a,lt,w,ut,u;setInterval(function(){l={}},1e4);a=function(){var n=0;return function(t){return t.uniqueID||(t.uniqueID=n++)}}();w=function(){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||function(n,t,i){window.setTimeout(n,i||1e3/60)}}();ut=/chrome/i.test(window.navigator.userAgent);u=null;"onwheel"in document.createElement("div")?u="wheel":"onmousewheel"in document.createElement("div")&&(u="mousewheel");u&&ut&&(s(u,ot),s("mousedown",st),s("load",g))})();
2/*
3//# sourceMappingURL=smoothscroll.min.js.map
4*/

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