libjs-jquery-scrollto 2.1.2+dfsg-1 / usr / share / javascript / jquery-scrollto / jquery.scrollTo.min.js

(function(factory){"use strict";if(typeof define==="function"&&define.amd){define(["jquery"],factory)}else if(typeof module!=="undefined"&&module.exports){module.exports=factory(require("jquery"))}else{factory(jQuery)}})(function($){"use strict";var $scrollTo=$.scrollTo=function(target,duration,settings){return $(window).scrollTo(target,duration,settings)};$scrollTo.defaults={axis:"xy",duration:0,limit:true};function isWin(elem){return!elem.nodeName||$.inArray(elem.nodeName.toLowerCase(),["iframe","#document","html","body"])!==-1}$.fn.scrollTo=function(target,duration,settings){if(typeof duration==="object"){settings=duration;duration=0}if(typeof settings==="function"){settings={onAfter:settings}}if(target==="max"){target=9e9}settings=$.extend({},$scrollTo.defaults,settings);duration=duration||settings.duration;var queue=settings.queue&&settings.axis.length>1;if(queue){duration/=2}settings.offset=both(settings.offset);settings.over=both(settings.over);return this.each(function(){if(target===null)return;var win=isWin(this),elem=win?this.contentWindow||window:this,$elem=$(elem),targ=target,attr={},toff;switch(typeof targ){case"number":case"string":if(/^([+-]=?)?\d+(\.\d+)?(px|%)?$/.test(targ)){targ=both(targ);break}targ=win?$(targ):$(targ,elem);case"object":if(targ.length===0)return;if(targ.is||targ.style){toff=(targ=$(targ)).offset()}}var offset=$.isFunction(settings.offset)&&settings.offset(elem,targ)||settings.offset;$.each(settings.axis.split(""),function(i,axis){var Pos=axis==="x"?"Left":"Top",pos=Pos.toLowerCase(),key="scroll"+Pos,prev=$elem[key](),max=$scrollTo.max(elem,axis);if(toff){attr[key]=toff[pos]+(win?0:prev-$elem.offset()[pos]);if(settings.margin){attr[key]-=parseInt(targ.css("margin"+Pos),10)||0;attr[key]-=parseInt(targ.css("border"+Pos+"Width"),10)||0}attr[key]+=offset[pos]||0;if(settings.over[pos]){attr[key]+=targ[axis==="x"?"width":"height"]()*settings.over[pos]}}else{var val=targ[pos];attr[key]=val.slice&&val.slice(-1)==="%"?parseFloat(val)/100*max:val}if(settings.limit&&/^\d+$/.test(attr[key])){attr[key]=attr[key]<=0?0:Math.min(attr[key],max)}if(!i&&settings.axis.length>1){if(prev===attr[key]){attr={}}else if(queue){animate(settings.onAfterFirst);attr={}}}});animate(settings.onAfter);function animate(callback){var opts=$.extend({},settings,{queue:true,duration:duration,complete:callback&&function(){callback.call(elem,targ,settings)}});$elem.animate(attr,opts)}})};$scrollTo.max=function(elem,axis){var Dim=axis==="x"?"Width":"Height",scroll="scroll"+Dim;if(!isWin(elem))return elem[scroll]-$(elem)[Dim.toLowerCase()]();var size="client"+Dim,doc=elem.ownerDocument||elem.document,html=doc.documentElement,body=doc.body;return Math.max(html[scroll],body[scroll])-Math.min(html[size],body[size])};function both(val){return $.isFunction(val)||$.isPlainObject(val)?val:{top:val,left:val}}$.Tween.propHooks.scrollLeft=$.Tween.propHooks.scrollTop={get:function(t){return $(t.elem)[t.prop]()},set:function(t){var curr=this.get(t);if(t.options.interrupt&&t._last&&t._last!==curr){return $(t.elem).stop()}var next=Math.round(t.now);if(curr!==next){$(t.elem)[t.prop](next);t._last=this.get(t)}}};return $scrollTo});