react-ui-playground/dist/playground.min.js

A pruned live jsx editor from React.

/**
* react-ui-playground v2.0.1
*
* Copyright 2016-present, 王健（Jason Wang）, contributors.
* All rights reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*/
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t.cache.hasOwnProperty(s)?o=t.cache[s]:(t.rect||(t.rect=t.view.text.getBoundingClientRect()),t.hasHeights||(zt(e,t.view,t.rect),t.hasHeights=!0),o=tr(e,t,r,n),o.bogus||(t.cache[s]=o)),{left:o.left,right:o.right,top:i?o.rtop:o.top,bottom:i?o.rbottom:o.bottom}}function Zt(e,t,r){for(var n,i,o,s,a,u,l=0;l<e.length;l+=3)if(a=e[l],u=e[l+1],t<a?(i=0,o=1,s="left"):t<u?(i=t-a,o=i+1):(l==e.length-3||t==u&&e[l+3]>t)&&(o=u-a,
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f;i=e.options.lineWrapping&&(f=s.getClientRects()).length>1?f["right"==n?f.length-1:0]:s.getBoundingClientRect()}if(rs&&ns<9&&!a&&(!i||!i.left&&!i.right)){var p=s.parentNode.getClientRects()[0];i=p?{left:p.left,right:p.left+gr(e.display),top:p.top,bottom:p.bottom}:Qs}for(var d=i.top-t.rect.top,h=i.bottom-t.rect.top,m=(d+h)/2,v=t.view.measure.heights,g=0;g<v.length-1&&!(m<v[g]);g++);var y=g?v[g-1]:0,b=v[g],x={left:("right"==l?i.right:i.left)-t.rect.left,right:("left"==l?i.left:i.right)-t.rect.left,top:y,bottom:b};return i.left||i.right||(x.bogus=!0),e.options.singleCursorHeightPerLine||(x.rtop=d,x.rbottom=h),x}function rr(e,t){if(!window.screen||null==screen.logicalXDPI||screen.logicalXDPI==screen.deviceXDPI||!Ge(e))return t;var r=screen.logicalXDPI/screen.deviceXDPI,n=screen.logicalYDPI/screen.deviceYDPI;return{left:t.left*r,right:t.right*r,top:t.top*n,bottom:t.bottom*n}}function nr(e){if(e.measure&&(e.measure.cache={},e.measure.heights=null,e.rest))for(var t=0;t<e.rest.length;t++)e.measure.caches[t]={}}function ir(e){e.display.externalMeasure=null,t(e.display.lineMeasure);for(var r=0;r<e.display.view.length;r++)nr(e.display.view[r])}function or(e){ir(e),e.display.cachedCharWidth=e.display.cachedTextHeight=e.display.cachedPaddingH=null,e.options.lineWrapping||(e.display.maxLineChanged=!0),e.display.lineNumChars=null}function sr(){return window.pageXOffset||(document.documentElement||document.body).scrollLeft}function ar(){return window.pageYOffset||(document.documentElement||document.body).scrollTop}function ur(e,t,r,n,i){if(!i&&t.widgets)for(var o=0;o<t.widgets.length;++o)if(t.widgets[o].above){var s=Nt(t.widgets[o]);r.top+=s,r.bottom+=s}if("line"==n)return r;n||(n="local");var a=he(t);if("local"==n?a+=Ut(e.display):a-=e.display.viewOffset,"page"==n||"window"==n){var u=e.display.lineSpace.getBoundingClientRect();a+=u.top+("window"==n?0:ar());var l=u.left+("window"==n?0:sr());r.left+=l,r.right+=l}return r.top+=a,r.bottom+=a,r}function lr(e,t,r){if("div"==r)return t;var n=t.left,i=t.top;if("page"==r)n-=sr(),i-=ar();else if("local"==r||!r){var o=e.display.sizer.getBoundingClientRect();n+=o.left,i+=o.top}var s=e.display.lineSpace.getBoundingClientRect();return{left:n-s.left,top:i-s.top}}function cr(e,t,r,n,i){return n||(n=S(e.doc,t.line)),ur(e,n,Xt(e,n,t.ch,i),r)}function fr(e,t,r,n,i,o){function s(t,s){var a=Qt(e,i,t,s?"right":"left",o);return s?a.left=a.right:a.right=a.left,ur(e,n,a,r)}function a(e,t){var r=u[t],n=r.level%2;return e==ye(r)&&t&&r.level<u[t-1].level?(r=u[--t],e=be(r)-(r.level%2?0:1),n=!0):e==be(r)&&t<u.length-1&&r.level<u[t+1].level&&(r=u[++t],e=ye(r)-r.level%2,n=!1),n&&e==r.to&&e>r.from?s(e-1):s(e,n)}n=n||S(e.doc,t.line),i||(i=$t(e,n));var u=De(n),l=t.ch;if(!u)return s(l);var c=Ce(u,l),f=a(l,c);return null!=Bs&&(f.other=a(l,Bs)),f}function pr(e,t){var r=0;t=j(e.doc,t),e.options.lineWrapping||(r=gr(e.display)*t.ch);var n=S(e.doc,t.line),i=he(n)+Ut(e.display);return{left:r,right:r,top:i,bottom:i+n.height}}function dr(e,t,r,n){var i=M(e,t);return i.xRel=n,r&&(i.outside=!0),i}function hr(e,t,r){var n=e.doc;if(r+=e.display.viewOffset,r<0)return dr(n.first,0,!0,-1);var i=P(n,r),o=n.first+n.size-1;if(i>o)return dr(n.first+n.size-1,S(n,o).text.length,!0,1);t<0&&(t=0);for(var s=S(n,i);;){var a=mr(e,s,i,t,r),u=se(s),l=u&&u.find(0,!0);if(!u||!(a.ch>l.from.ch||a.ch==l.from.ch&&a.xRel>0))return a;i=T(s=l.to.line)}}function mr(e,t,r,n,i){function o(n){var i=fr(e,M(r,n),"line",t,l);return a=!0,s>i.bottom?i.left-u:s<i.top?i.left+u:(a=!1,i.left)}var s=i-he(t),a=!1,u=2*e.display.wrapper.clientWidth,l=$t(e,t),c=De(t),f=t.text.length,p=xe(t),d=Ee(t),h=o(p),m=a,v=o(d),g=a;if(n>v)return dr(r,d,g,1);for(;;){if(c?d==p||d==Se(t,p,1):d-p<=1){var y=n<h||n-h<=v-n?p:d,b=y==p?m:g,x=n-(y==p?h:v);if(g&&!c&&!/\s/.test(t.text.charAt(y))&&x>0&&y<t.text.length&&l.view.measure.heights.length>1){var E=Qt(e,l,y,"right");s<=E.bottom&&s>=E.top&&Math.abs(n-E.right)<x&&(b=!1,y++,x=n-E.right)}for(;C(t.text.charAt(y));)++y;var A=dr(r,y,b,x<-1?-1:x>1?1:0);return A}var w=Math.ceil(f/2),S=p+w;if(c){S=p;for(var _=0;_<w;++_)S=Se(t,S,1)}var D=o(S);D>n?(d=S,v=D,(g=a)&&(v+=1e3),f=w):(p=S,h=D,m=a,f-=w)}}function vr(e){if(null!=e.cachedTextHeight)return e.cachedTextHeight;if(null==qs){qs=n("pre");for(var i=0;i<49;++i)qs.appendChild(document.createTextNode("x")),qs.appendChild(n("br"));qs.appendChild(document.createTextNode("x"))}r(e.measure,qs);var o=qs.offsetHeight/50;return o>3&&(e.cachedTextHeight=o),t(e.measure),o||1}function gr(e){if(null!=e.cachedCharWidth)return e.cachedCharWidth;var t=n("span","xxxxxxxxxx"),i=n("pre",[t]);r(e.measure,i);var o=t.getBoundingClientRect(),s=(o.right-o.left)/10;return s>2&&(e.cachedCharWidth=s),s||10}function yr(e){for(var t=e.display,r={},n={},i=t.gutters.clientLeft,o=t.gutters.firstChild,s=0;o;o=o.nextSibling,++s)r[e.options.gutters[s]]=o.offsetLeft+o.clientLeft+i,n[e.options.gutters[s]]=o.clientWidth;return{fixedPos:br(t),gutterTotalWidth:t.gutters.offsetWidth,gutterLeft:r,gutterWidth:n,wrapperWidth:t.wrapper.clientWidth}}function br(e){return e.scroller.getBoundingClientRect().left-e.sizer.getBoundingClientRect().left}function xr(e){var t=vr(e.display),r=e.options.lineWrapping,n=r&&Math.max(5,e.display.scroller.clientWidth/gr(e.display)-3);return function(i){if(pe(e.doc,i))return 0;var o=0;if(i.widgets)for(var s=0;s<i.widgets.length;s++)i.widgets[s].height&&(o+=i.widgets[s].height);return r?o+(Math.ceil(i.text.length/n)||1)*t:o+t}}function Er(e){var t=e.doc,r=xr(e);t.iter(function(e){var t=r(e);t!=e.height&&k(e,t)})}function Ar(e,t,r,n){var i=e.display;if(!r&&"true"==je(t).getAttribute("cm-not-content"))return null;var o,s,a=i.lineSpace.getBoundingClientRect();try{o=t.clientX-a.left,s=t.clientY-a.top}catch(e){return null}var u,l=hr(e,o,s);if(n&&1==l.xRel&&(u=S(e.doc,l.line).text).length==l.ch){var f=c(u,u.length,e.options.tabSize)-u.length;l=M(l.line,Math.max(0,Math.round((o-Vt(e.display).left)/gr(e.display))-f))}return l}function Cr(e,t){if(t>=e.display.viewTo)return null;if(t-=e.display.viewFrom,t<0)return null;for(var r=e.display.view,n=0;n<r.length;n++)if(t-=r[n].size,t<0)return n}function wr(e){e.display.input.showSelection(e.display.input.prepareSelection())}function Sr(e,t){for(var r=e.doc,n={},i=n.cursors=document.createDocumentFragment(),o=n.selection=document.createDocumentFragment(),s=0;s<r.sel.ranges.length;s++)if(t!==!1||s!=r.sel.primIndex){var a=r.sel.ranges[s];if(!(a.from().line>=e.display.viewTo||a.to().line<e.display.viewFrom)){var u=a.empty();(u||e.options.showCursorWhenSelecting)&&_r(e,a.head,i),u||Dr(e,a,o)}}return n}function _r(e,t,r){var i=fr(e,t,"div",null,null,!e.options.singleCursorHeightPerLine),o=r.appendChild(n("div"," ","CodeMirror-cursor"));if(o.style.left=i.left+"px",o.style.top=i.top+"px",o.style.height=Math.max(0,i.bottom-i.top)*e.options.cursorHeight+"px",i.other){var s=r.appendChild(n("div"," ","CodeMirror-cursor CodeMirror-secondarycursor"));s.style.display="",s.style.left=i.other.left+"px",s.style.top=i.other.top+"px",s.style.height=.85*(i.other.bottom-i.other.top)+"px"}}function Dr(e,t,r){function i(e,t,r,i){t<0&&(t=0),t=Math.round(t),i=Math.round(i),u.appendChild(n("div",null,"CodeMirror-selected","position: absolute; left: "+e+"px;\n                             top: "+t+"px; width: "+(null==r?f-e:r)+"px;\n                             height: "+(i-t)+"px"))}function o(t,r,n){function o(r,n){return cr(e,M(t,r),"div",l,n)}var s,u,l=S(a,t),p=l.text.length;return ge(De(l),r||0,null==n?p:n,function(e,t,a){var l,d,h,m=o(e,"left");if(e==t)l=m,d=h=m.left;else{if(l=o(t-1,"right"),"rtl"==a){var v=m;m=l,l=v}d=m.left,h=l.right}null==r&&0==e&&(d=c),l.top-m.top>3&&(i(d,m.top,null,m.bottom),d=c,m.bottom<l.top&&i(d,m.bottom,null,l.top)),null==n&&t==p&&(h=f),(!s||m.top<s.top||m.top==s.top&&m.left<s.left)&&(s=m),(!u||l.bottom>u.bottom||l.bottom==u.bottom&&l.right>u.right)&&(u=l),d<c+1&&(d=c),i(d,l.top,h-d,l.bottom)}),{start:s,end:u}}var s=e.display,a=e.doc,u=document.createDocumentFragment(),l=Vt(e.display),c=l.left,f=Math.max(s.sizerWidth,Ht(e)-s.sizer.offsetLeft)-l.right,p=t.from(),d=t.to();if(p.line==d.line)o(p.line,p.ch,d.ch);else{var h=S(a,p.line),m=S(a,d.line),v=ue(h)==ue(m),g=o(p.line,p.ch,v?h.text.length+1:null).end,y=o(d.line,v?0:null,d.ch).start;v&&(g.top<y.top-2?(i(g.right,g.top,null,g.bottom),i(c,y.top,y.left,y.bottom)):i(g.right,g.top,y.left-g.right,g.bottom)),g.bottom<y.top&&i(c,g.bottom,null,y.top)}r.appendChild(u)}function kr(e){if(e.state.focused){var t=e.display;clearInterval(t.blinker);var r=!0;t.cursorDiv.style.visibility="",e.options.cursorBlinkRate>0?t.blinker=setInterval(function(){return t.cursorDiv.style.visibility=(r=!r)?"":"hidden"},e.options.cursorBlinkRate):e.options.cursorBlinkRate<0&&(t.cursorDiv.style.visibility="hidden")}}function Tr(e){e.state.focused||(e.display.input.focus(),Or(e))}function Pr(e){e.state.delayingBlurEvent=!0,setTimeout(function(){e.state.delayingBlurEvent&&(e.state.delayingBlurEvent=!1,Fr(e))},100)}function Or(e,t){e.state.delayingBlurEvent&&(e.state.delayingBlurEvent=!1),"nocursor"!=e.options.readOnly&&(e.state.focused||(Pe(e,"focus",e,t),e.state.focused=!0,s(e.display.wrapper,"CodeMirror-focused"),e.curOp||e.display.selForContextMenu==e.doc.sel||(e.display.input.reset(),is&&setTimeout(function(){return e.display.input.reset(!0)},20)),e.display.input.receivedFocus()),kr(e))}function Fr(e,t){e.state.delayingBlurEvent||(e.state.focused&&(Pe(e,"blur",e,t),e.state.focused=!1,xs(e.display.wrapper,"CodeMirror-focused")),clearInterval(e.display.blinker),setTimeout(function(){e.state.focused||(e.display.shift=!1)},150))}function Mr(e){var t=e.display,r=t.view;if(t.alignWidgets||t.gutters.firstChild&&e.options.fixedGutter){for(var n=br(t)-t.scroller.scrollLeft+e.doc.scrollLeft,i=t.gutters.offsetWidth,o=n+"px",s=0;s<r.length;s++)if(!r[s].hidden){e.options.fixedGutter&&(r[s].gutter&&(r[s].gutter.style.left=o),r[s].gutterBackground&&(r[s].gutterBackground.style.left=o));var a=r[s].alignable;if(a)for(var u=0;u<a.length;u++)a[u].style.left=o}e.options.fixedGutter&&(t.gutters.style.left=n+i+"px")}}function Br(e){if(!e.options.lineNumbers)return!1;var t=e.doc,r=F(e.options,t.first+t.size-1),i=e.display;if(r.length!=i.lineNumChars){var o=i.measure.appendChild(n("div",[n("div",r)],"CodeMirror-linenumber CodeMirror-gutter-elt")),s=o.firstChild.offsetWidth,a=o.offsetWidth-s;return i.lineGutter.style.width="",i.lineNumInnerWidth=Math.max(s,i.lineGutter.offsetWidth-a)+1,i.lineNumWidth=i.lineNumInnerWidth+a,i.lineNumChars=i.lineNumInnerWidth?r.length:-1,i.lineGutter.style.width=i.lineNumWidth+"px",_n(e),!0}return!1}function Rr(e){for(var t=e.display,r=t.lineDiv.offsetTop,n=0;n<t.view.length;n++){var i=t.view[n],o=void 0;if(!i.hidden){if(rs&&ns<8){var s=i.node.offsetTop+i.node.offsetHeight;o=s-r,r=s}else{var a=i.node.getBoundingClientRect();o=a.bottom-a.top}var u=i.line.height-o;if(o<2&&(o=vr(t)),(u>.001||u<-.001)&&(k(i.line,o),Lr(i.line),i.rest))for(var l=0;l<i.rest.length;l++)Lr(i.rest[l])}}}function Lr(e){if(e.widgets)for(var t=0;t<e.widgets.length;++t)e.widgets[t].height=e.widgets[t].node.parentNode.offsetHeight}function Ir(e,t,r){var n=r&&null!=r.top?Math.max(0,r.top):e.scroller.scrollTop;n=Math.floor(n-Ut(e));var i=r&&null!=r.bottom?r.bottom:n+e.wrapper.clientHeight,o=P(t,n),s=P(t,i);if(r&&r.ensure){var a=r.ensure.from.line,u=r.ensure.to.line;a<o?(o=a,s=P(t,he(S(t,a))+e.wrapper.clientHeight)):Math.min(u,t.lastLine())>=s&&(o=P(t,he(S(t,u))-e.wrapper.clientHeight),s=u)}return{from:o,to:Math.max(s,o+1)}}function Nr(e,t){Math.abs(e.doc.scrollTop-t)<2||(e.doc.scrollTop=t,Zo||wn(e,{top:t}),e.display.scroller.scrollTop!=t&&(e.display.scroller.scrollTop=t),e.display.scrollbars.setScrollTop(t),Zo&&wn(e),bn(e,100))}function jr(e,t,r){(r?t==e.doc.scrollLeft:Math.abs(e.doc.scrollLeft-t)<2)||(t=Math.min(t,e.display.scroller.scrollWidth-e.display.scroller.clientWidth),e.doc.scrollLeft=t,Mr(e),e.display.scroller.scrollLeft!=t&&(e.display.scroller.scrollLeft=t),e.display.scrollbars.setScrollLeft(t))}function Ur(e){var t=e.wheelDeltaX,r=e.wheelDeltaY;return null==t&&e.detail&&e.axis==e.HORIZONTAL_AXIS&&(t=e.detail),null==r&&e.detail&&e.axis==e.VERTICAL_AXIS?r=e.detail:null==r&&(r=e.wheelDelta),{x:t,y:r}}function Wr(e){var t=Ur(e);return t.x*=ea,t.y*=ea,t}function Vr(e,t){var r=Ur(t),n=r.x,i=r.y,o=e.display,s=o.scroller,a=s.scrollWidth>s.clientWidth,u=s.scrollHeight>s.clientHeight;if(n&&a||i&&u){if(i&&ds&&is)e:for(var l=t.target,c=o.view;l!=s;l=l.parentNode)for(var f=0;f<c.length;f++)if(c[f].node==l){e.display.currentWheelTarget=l;break e}if(n&&!Zo&&!as&&null!=ea)return i&&u&&Nr(e,Math.max(0,Math.min(s.scrollTop+i*ea,s.scrollHeight-s.clientHeight))),jr(e,Math.max(0,Math.min(s.scrollLeft+n*ea,s.scrollWidth-s.clientWidth))),(!i||i&&u)&&Re(t),void(o.wheelStartX=null);if(i&&null!=ea){var p=i*ea,d=e.doc.scrollTop,h=d+o.wrapper.clientHeight;p<0?d=Math.max(0,d+p-50):h=Math.min(e.doc.height,h+p+50),wn(e,{top:d,bottom:h})}Zs<20&&(null==o.wheelStartX?(o.wheelStartX=s.scrollLeft,o.wheelStartY=s.scrollTop,o.wheelDX=n,o.wheelDY=i,setTimeout(function(){if(null!=o.wheelStartX){var e=s.scrollLeft-o.wheelStartX,t=s.scrollTop-o.wheelStartY,r=t&&o.wheelDY&&t/o.wheelDY||e&&o.wheelDX&&e/o.wheelDX;o.wheelStartX=o.wheelStartY=null,r&&(ea=(ea*Zs+r)/(Zs+1),++Zs)}},200)):(o.wheelDX+=n,o.wheelDY+=i))}}function Gr(e){var t=e.display,r=t.gutters.offsetWidth,n=Math.round(e.doc.height+Wt(e.display));return{clientHeight:t.scroller.clientHeight,viewHeight:t.wrapper.clientHeight,scrollWidth:t.scroller.scrollWidth,clientWidth:t.scroller.clientWidth,viewWidth:t.wrapper.clientWidth,barLeft:e.options.fixedGutter?r:0,docHeight:n,scrollHeight:n+Gt(e)+t.barHeight,nativeBarWidth:t.nativeBarWidth,gutterWidth:r}}function Hr(e,t){t||(t=Gr(e));var r=e.display.barWidth,n=e.display.barHeight;Yr(e,t);for(var i=0;i<4&&r!=e.display.barWidth||n!=e.display.barHeight;i++)r!=e.display.barWidth&&e.options.lineWrapping&&Rr(e),Yr(e,Gr(e)),r=e.display.barWidth,n=e.display.barHeight}function Yr(e,t){var r=e.display,n=r.scrollbars.update(t);r.sizer.style.paddingRight=(r.barWidth=n.right)+"px",r.sizer.style.paddingBottom=(r.barHeight=n.bottom)+"px",r.heightForcer.style.borderBottom=n.bottom+"px solid transparent",n.right&&n.bottom?(r.scrollbarFiller.style.display="block",r.scrollbarFiller.style.height=n.bottom+"px",r.scrollbarFiller.style.width=n.right+"px"):r.scrollbarFiller.style.display="",n.bottom&&e.options.coverGutterNextToScrollbar&&e.options.fixedGutter?(r.gutterFiller.style.display="block",r.gutterFiller.style.height=n.bottom+"px",r.gutterFiller.style.width=t.gutterWidth+"px"):r.gutterFiller.style.display=""}function zr(e){e.display.scrollbars&&(e.display.scrollbars.clear(),e.display.scrollbars.addClass&&xs(e.display.wrapper,e.display.scrollbars.addClass)),e.display.scrollbars=new na[e.options.scrollbarStyle](function(t){e.display.wrapper.insertBefore(t,e.display.scrollbarFiller),Is(t,"mousedown",function(){e.state.focused&&setTimeout(function(){return e.display.input.focus()},0)}),t.setAttribute("cm-not-content","true")},function(t,r){"horizontal"==r?jr(e,t):Nr(e,t)},e),e.display.scrollbars.addClass&&s(e.display.wrapper,e.display.scrollbars.addClass)}function qr(e,t){if(!Oe(e,"scrollCursorIntoView")){var r=e.display,i=r.sizer.getBoundingClientRect(),o=null;if(t.top+i.top<0?o=!0:t.bottom+i.top>(window.innerHeight||document.documentElement.clientHeight)&&(o=!1),null!=o&&!cs){var s=n("div","​",null,"position: absolute;\n                         top: "+(t.top-r.viewOffset-Ut(e.display))+"px;\n                         height: "+(t.bottom-t.top+Gt(e)+r.barHeight)+"px;\n                         left: "+t.left+"px; width: 2px;");e.display.lineSpace.appendChild(s),s.scrollIntoView(o),e.display.lineSpace.removeChild(s)}}}function Kr(e,t,r,n){null==n&&(n=0);for(var i,o=0;o<5;o++){var s=!1;i=fr(e,t);var a=r&&r!=t?fr(e,r):i,u=Jr(e,Math.min(i.left,a.left),Math.min(i.top,a.top)-n,Math.max(i.left,a.left),Math.max(i.bottom,a.bottom)+n),l=e.doc.scrollTop,c=e.doc.scrollLeft;if(null!=u.scrollTop&&(Nr(e,u.scrollTop),Math.abs(e.doc.scrollTop-l)>1&&(s=!0)),null!=u.scrollLeft&&(jr(e,u.scrollLeft),Math.abs(e.doc.scrollLeft-c)>1&&(s=!0)),!s)break}return i}function Xr(e,t,r,n,i){var o=Jr(e,t,r,n,i);null!=o.scrollTop&&Nr(e,o.scrollTop),null!=o.scrollLeft&&jr(e,o.scrollLeft)}function Jr(e,t,r,n,i){var o=e.display,s=vr(e.display);r<0&&(r=0);var a=e.curOp&&null!=e.curOp.scrollTop?e.curOp.scrollTop:o.scroller.scrollTop,u=Yt(e),l={};i-r>u&&(i=r+u);var c=e.doc.height+Wt(o),f=r<s,p=i>c-s;if(r<a)l.scrollTop=f?0:r;else if(i>a+u){var d=Math.min(r,(p?c:i)-u);d!=a&&(l.scrollTop=d)}var h=e.curOp&&null!=e.curOp.scrollLeft?e.curOp.scrollLeft:o.scroller.scrollLeft,m=Ht(e)-(e.options.fixedGutter?o.gutters.offsetWidth:0),v=n-t>m;return v&&(n=t+m),t<10?l.scrollLeft=0:t<h?l.scro