/*! LeaderLine v1.0.7 (c) anseki https://anseki.github.io/leader-line/ */
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Re(e.element,t.baseWindow)},llShow:function(e,t,n){w[n||e.curStats.show_effect].stop(e,!0,t),e.aplStats.show_on=t},getStyles:function(n,e){return e.reduce(function(e,t){return e[t]=n[t],e},{})},setStyles:function(t,n){Object.keys(n).forEach(function(e){t[e]=n[e]})}},captionLabel:{type:"label",argOptions:[{optionName:"text",type:"string"}],stats:{color:{},x:{},y:{}},textStyleProps:["fontFamily","fontStyle","fontVariant","fontWeight","fontStretch","fontSize","fontSizeAdjust","kerning","letterSpacing","wordSpacing","textDecoration"],init:function(l,t){return"string"==typeof t.text&&(l.text=t.text.trim()),!!l.text&&("string"==typeof t.color&&(l.color=t.color.trim()),l.outlineColor="string"==typeof t.outlineColor?t.outlineColor.trim():"#fff",Array.isArray(t.offset)&&V(t.offset[0])&&V(t.offset[1])&&(l.offset={x:t.offset[0],y:t.offset[1]}),V(t.lineOffset)&&(l.lineOffset=t.lineOffset),O.captionLabel.textStyleProps.forEach(function(e){null!=t[e]&&(l[e]=t[e])}),l.updateColor=function(e){O.captionLabel.updateColor(l,e)},l.updateSocketXY=function(e){var t,n,a=l.curStats,i=l.aplStats,e=e.curStats,o=e.position_socketXYSE[l.socketIndex];null!=o.x&&(l.offset?(a.x=o.x+l.offset.x,a.y=o.y+l.offset.y):(t=l.height/2,n=Math.max(e.attach_plugSideLenSE[l.socketIndex]||0,e.line_strokeWidth/2),e=e.position_socketXYSE[l.socketIndex?0:1],o.socketId===G||o.socketId===R?(a.x=o.socketId===G?o.x-t-l.width:o.x+t,a.y=e.y<o.y?o.y+n+t:o.y-n-t-l.height):(a.x=e.x<o.x?o.x+n+t:o.x-n-t-l.width,a.y=o.socketId===B?o.y-t-l.height:o.y+t)),ee(l,i,"x",e=a.x)&&(l.elmPosition.x.baseVal.getItem(0).value=e),ee(l,i,"y",e=a.y))&&(l.elmPosition.y.baseVal.getItem(0).value=e+l.height)},l.updatePath=function(e){var t=l.curStats,n=l.aplStats,e=e.pathList.animVal||e.pathList.baseVal;e&&(e=O.captionLabel.getMidPoint(e,l.lineOffset),t.x=e.x-l.width/2,t.y=e.y-l.height/2,ee(l,n,"x",e=t.x)&&(l.elmPosition.x.baseVal.getItem(0).value=e),ee(l,n,"y",e=t.y))&&(l.elmPosition.y.baseVal.getItem(0).value=e+l.height)},l.updateShow=function(e){O.captionLabel.updateShow(l,e)},q&&(l.adjustEdge=function(e,t){var n=l.curStats;null!=n.x&&O.captionLabel.adjustEdge(t,{x:n.x,y:n.y,width:l.width,height:l.height},l.strokeWidth/2)}),!0)},updateColor:function(e,t){var n=e.curStats,a=e.aplStats,t=t.curStats;n.color=n=e.color||t.line_color,ee(e,a,"color",n)&&(e.styleFill.fill=n)},updateShow:function(e,t){t=!0===t.isShown;t!==e.isShown&&(e.styleShow.visibility=t?"":"hidden",e.isShown=t)},adjustEdge:function(e,t,n){t={x1:t.x-n,y1:t.y-n,x2:t.x+t.width+n,y2:t.y+t.height+n};t.x1<e.x1&&(e.x1=t.x1),t.y1<e.y1&&(e.y1=t.y1),t.x2>e.x2&&(e.x2=t.x2),t.y2>e.y2&&(e.y2=t.y2)},newText:function(e,t,n,a,i){var o,l,r=t.createElementNS(L,"text");return r.textContent=e,[r.x,r.y].forEach(function(e){var t=n.createSVGLength();t.newValueSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_PX,0),e.baseVal.initialize(t)}),"boolean"!=typeof h&&(h="paintOrder"in r.style),i&&!h?(e=t.createElementNS(L,"defs"),r.id=a,e.appendChild(r),(l=(o=t.createElementNS(L,"g")).appendChild(t.createElementNS(L,"use"))).href.baseVal="#"+a,(t=o.appendChild(t.createElementNS(L,"use"))).href.baseVal="#"+a,(l=l.style).strokeLinejoin="round",{elmPosition:r,styleText:r.style,styleFill:t.style,styleStroke:l,styleShow:o.style,elmsAppend:[e,o]}):(l=r.style,i&&(l.strokeLinejoin="round",l.paintOrder="stroke"),{elmPosition:r,styleText:l,styleFill:l,styleStroke:i?l:null,styleShow:l,elmsAppend:[r]})},getMidPoint:function(e,t){var n,a,i=Ue(e),o=i.segsLen,i=i.lenAll,l=-1,r=i/2+(t||0);if(r<=0)return 2===(n=e[0]).length?Fe(n[0],n[1],0):De(n[0],n[1],n[2],n[3],0);if(i<=r)return 2===(n=e[e.length-1]).length?Fe(n[0],n[1],1):De(n[0],n[1],n[2],n[3],1);for(a=[];r>o[++l];)a.push(e[l]),r-=o[l];return 2===(n=e[l]).length?Fe(n[0],n[1],r/o[l]):De(n[0],n[1],n[2],n[3],je(n[0],n[1],n[2],n[3],r))},initSvg:function(t,n){var e,a,i=O.captionLabel.newText(t.text,n.baseWindow.document,n.svg,I+"-captionLabel-"+t._id,t.outlineColor);["elmPosition","styleFill","styleShow","elmsAppend"].forEach(function(e){t[e]=i[e]}),t.isShown=!1,t.styleShow.visibility="hidden",O.captionLabel.textStyleProps.forEach(function(e){null!=t[e]&&(i.styleText[e]=t[e])}),i.elmsAppend.forEach(function(e){n.svg.appendChild(e)}),e=i.elmPosition.getBBox(),t.width=e.width,t.height=e.height,t.outlineColor&&(a=e.height/9,i.styleStroke.strokeWidth=(a=10<a?10:a<2?2:a)+"px",i.styleStroke.stroke=t.outlineColor),t.strokeWidth=a||0,P(t.aplStats,O.captionLabel.stats),t.updateColor(n),t.refSocketXY?t.updateSocketXY(n):t.updatePath(n),q&&N(n,{}),t.updateShow(n)},bind:function(e,t){var n=t.props;return e.color||u(n,"cur_line_color",e.updateColor),(e.refSocketXY="startLabel"===t.optionName||"endLabel"===t.optionName)?(e.socketIndex="startLabel"===t.optionName?0:1,u(n,"apl_position",e.updateSocketXY),e.offset||(u(n,"cur_attach_plugSideLenSE",e.updateSocketXY),u(n,"cur_line_strokeWidth",e.updateSocketXY))):u(n,"apl_path",e.updatePath),u(n,"svgShow",e.updateShow),q&&u(n,"new_edge4viewBox",e.adjustEdge),O.captionLabel.initSvg(e,n),!0},unbind:function(e,t){var n=t.props;e.elmsAppend&&(e.elmsAppend.forEach(function(e){n.svg.removeChild(e)}),e.elmPosition=e.styleFill=e.styleShow=e.elmsAppend=null),P(e.curStats,O.captionLabel.stats),P(e.aplStats,O.captionLabel.stats),e.color||a(n,"cur_line_color",e.updateColor),e.refSocketXY?(a(n,"apl_position",e.updateSocketXY),e.offset||(a(n,"cur_attach_plugSideLenSE",e.updateSocketXY),a(n,"cur_line_strokeWidth",e.updateSocketXY))):a(n,"apl_path",e.updatePath),a(n,"svgShow",e.updateShow),q&&(a(n,"new_edge4viewBox",e.adjustEdge),N(n,{}))},removeOption:function(e,t){var n=t.props,a={};a[t.optionName]="",ot(n,a)},remove:function(t){t.boundTargets.length&&(console.error("LeaderLineAttachment was not unbound by remove"),t.boundTargets.forEach(function(e){O.captionLabel.unbind(t,e)}))}},pathLabel:{type:"label",argOptions:[{optionName:"text",type:"string"}],stats:{color:{},startOffset:{},pathData:{}},init:function(l,t){return"string"==typeof t.text&&(l.text=t.text.trim()),!!l.text&&("string"==typeof t.color&&(l.color=t.color.trim()),l.outlineColor="string"==typeof t.outlineColor?t.outlineColor.trim():"#fff",V(t.lineOffset)&&(l.lineOffset=t.lineOffset),O.captionLabel.textStyleProps.forEach(function(e){null!=t[e]&&(l[e]=t[e])}),l.updateColor=function(e){O.captionLabel.updateColor(l,e)},l.updatePath=function(e){var t=l.curStats,n=l.aplStats,a=e.curStats,i=e.pathList.animVal||e.pathList.baseVal;i&&(t.pathData=t=O.pathLabel.getOffsetPathData(i,a.line_strokeWidth/2+l.strokeWidth/2+l.height/4,1.25*l.height),Ze(t,n.pathData))&&(l.elmPath.setPathData(t),n.pathData=t,l.bBox=l.elmPosition.getBBox(),l.updateStartOffset(e))},l.updateStartOffset=function(e){var i,t,n,a=l.curStats,o=l.aplStats,e=e.curStats;a.pathData&&(2!==l.semIndex||l.lineOffset)&&(t=a.pathData.reduce(function(e,t){var n,a=t.values;switch(t.type){case"M":i={x:a[0],y:a[1]};break;case"L":n={x:a[0],y:a[1]},i&&(e+=H(i,n)),i=n;break;case"C":n={x:a[4],y:a[5]},i&&(e+=ze(i,{x:a[0],y:a[1]},{x:a[2],y:a[3]},n)),i=n}return e},0),n=0===l.semIndex?0:1===l.semIndex?t:t/2,2!==l.semIndex&&(e=Math.max(e.attach_plugBackLenSE[l.semIndex]||0,e.line_strokeWidth/2)+l.strokeWidth/2+l.height/4,n=(n+=0===l.semIndex?e:-e)<0?0:t<n?t:n),l.lineOffset&&(n=(n+=l.lineOffset)<0?0:t<n?t:n),a.startOffset=n,ee(l,o,"startOffset",n))&&(l.elmOffset.startOffset.baseVal.value=n)},l.updateShow=function(e){O.captionLabel.updateShow(l,e)},q&&(l.adjustEdge=function(e,t){l.bBox&&O.captionLabel.adjustEdge(t,l.bBox,l.strokeWidth/2)}),!0)},getOffsetPathData:function(e,d,n){var f,a,y=[];function m(e,t){return Math.abs(e.x-t.x)<3&&Math.abs(e.y-t.y)<3}return e.forEach(function(e){var t,n,a,i,o,l,r,s,u,h,p,c;2===e.length?(u=e[0],h=e[1],p=d,c=Math.atan2(u.y-h.y,h.x-u.x)+.5*Math.PI,u=[{x:u.x+Math.cos(c)*p,y:u.y+Math.sin(c)*p*-1},{x:h.x+Math.cos(c)*p,y:h.y+Math.sin(c)*p*-1}],f?(h=f.points,0<=(c=Math.atan2(h[1].y-h[0].y,h[0].x-h[1].x)-Math.atan2(e[0].y-e[1].y,e[1].x-e[0].x))&&c<=Math.PI?t={type:"line",points:u,inside:!0}:(p=Ge(h[0],h[1],d),c=Ge(u[1],u[0],d),n=h[0],i=c,o=u[1],l=(a=p).x-n.x,a=a.y-n.y,r=o.x-i.x,o=o.y-i.y,s=(-a*(n.x-i.x)+l*(n.y-i.y))/(-r*a+l*o),i=(r*(n.y-i.y)-o*(n.x-i.x))/(-r*a+l*o),t=(r=0<=s&&s<=1&&0<=i&&i<=1?{x:n.x+i*l,y:n.y+i*a}:null)?{type:"line",points:[h[1]=r,u[1]]}:(h[1]=m(c,p)?c:p,{type:"line",points:[c,u[1]]}),f.len=H(h[0],h[1]))):t={type:"line",points:u},t.len=H(t.points[0],t.points[1]),y.push(f=t)):(y.push({type:"cubic",points:function(e,t,n,a,i,o){for(var l,r,s=ze(e,t,n,a)/o,u=1/(o<i?i/o*s:s),h=[],p=0;r=(90-(l=De(e,t,n,a,p)).angle)*(Math.PI/180),h.push({x:l.x+Math.cos(r)*i,y:l.y+Math.sin(r)*i*-1}),!(1<=p);)1<(p+=u)&&(p=1);return h}(e[0],e[1],e[2],e[3],d,16)}),f=null)}),f=null,y.forEach(function(e){var t;f="line"===e.type?(e.inside&&(f.len>d?((t=f.points)[1]=Ge(t[0],t[1],-d),f.len=H(t[0],t[1])):(f.points=null,f.len=0),e.len>d+n?((t=e.points)[0]=Ge(t[1],t[0],-(d+n)),e.len=H(t[0],t[1])):(e.points=null,e.len=0)),e):null}),y.reduce(function(t,e){var n=e.points;return n&&(a&&m(n[0],a)||t.push({type:"M",values:[n[0].x,n[0].y]}),"line"===e.type?t.push({type:"L",values:[n[1].x,n[1].y]}):(n.shift(),n.forEach(function(e){t.push({type:"L",values:[e.x,e.y]})})),a=n[n.length-1]),t},[])},newText:function(e,t,n,a){var i,o,l,r,s=t.createElementNS(L,"defs"),u=s.appendChild(t.createElementNS(L,"path"));return u.id=i=n+"-path",(l=(o=t.createElementNS(L,"text")).appendChild(t.createElementNS(L,"textPath"))).href.baseVal="#"+i,l.startOffset.baseVal.newValueSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_PX,0),l.textContent=e,"boolean"!=typeof h&&(h="paintOrder"in o.style),a&&!h?(o.id=i=n+"-text",s.appendChild(o),(n=(e=t.createElementNS(L,"g")).appendChild(t.createElementNS(L,"use"))).href.baseVal="#"+i,(t=e.appendChild(t.createElementNS(L,"use"))).href.baseVal="#"+i,(r=n.style).strokeLinejoin="round",{elmPosition:o,elmPath:u,elmOffset:l,styleText:o.style,styleFill:t.style,styleStroke:r,styleShow:e.style,elmsAppend:[s,e]}):(r=o.style,a&&(r.strokeLinejoin="round",r.paintOrder="stroke"),{elmPosition:o,elmPath:u,elmOffset:l,styleText:r,styleFill:r,styleStroke:a?r:null,styleShow:r,elmsAppend:[s,o]})},initSvg:function(t,n){var e,a,i,o=O.pathLabel.newText(t.text,n.baseWindow.document,I+"-pathLabel-"+t._id,t.outlineColor);["elmPosition","elmPath","elmOffset","styleFill","styleShow","elmsAppend"].forEach(function(e){t[e]=o[e]}),t.isShown=!1,t.styleShow.visibility="hidden",O.captionLabel.textStyleProps.forEach(function(e){null!=t[e]&&(o.styleText[e]=t[e])}),o.elmsAppend.forEach(function(e){n.svg.appendChild(e)}),o.elmPath.setPathData([{type:"M",values:[0,100]},{type:"h",values:[100]}]),ke&&(i=o.elmOffset.href.baseVal,o.elmOffset.href.baseVal=""),e=o.elmPosition.getBBox(),ke&&(o.elmOffset.href.baseVal=i),o.styleText.textAnchor=["start","end","middle"][t.semIndex],2!==t.semIndex||t.lineOffset||o.elmOffset.startOffset.baseVal.newValueSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_PERCENTAGE,50),t.height=e.height,t.outlineColor&&(a=e.height/9,o.styleStroke.strokeWidth=(a=10<a?10:a<2?2:a)+"px",o.styleStroke.stroke=t.outlineColor),t.strokeWidth=a||0,P(t.aplStats,O.pathLabel.stats),t.updateColor(n),t.updatePath(n),t.updateStartOffset(n),q&&N(n,{}),t.updateShow(n)},bind:function(e,t){var n=t.props;return e.color||u(n,"cur_line_color",e.updateColor),u(n,"cur_line_strokeWidth",e.updatePath),u(n,"apl_path",e.updatePath),e.semIndex="startLabel"===t.optionName?0:"endLabel"===t.optionName?1:2,2===e.semIndex&&!e.lineOffset||u(n,"cur_attach_plugBackLenSE",e.updateStartOffset),u(n,"svgShow",e.updateShow),q&&u(n,"new_edge4viewBox",e.adjustEdge),O.pathLabel.initSvg(e,n),!0},unbind:function(e,t){var n=t.props;e.elmsAppend&&(e.elmsAppend.forEach(function(e){n.svg.removeChild(e)}),e.elmPosition=e.elmPath=e.elmOffset=e.styleFill=e.styleShow=e.elmsAppend=null),P(e.curStats,O.pathLabel.stats),P(e.aplStats,O.pathLabel.stats),e.color||a(n,"cur_line_color",e.updateColor),a(n,"cur_line_strokeWidth",e.updatePath),a(n,"apl_path",e.updatePath),2===e.semIndex&&!e.lineOffset||a(n,"cur_attach_plugBackLenSE",e.updateStartOffset),a(n,"svgShow",e.updateShow),q&&(a(n,"new_edge4viewBox",e.adjustEdge),N(n,{}))},removeOption:function(e,t){var n=t.props,a={};a[t.optionName]="",ot(n,a)},remove:function(t){t.boundTargets.length&&(console.error("LeaderLineAttachment was not unbound by remove"),t.boundTargets.forEach(function(e){O.pathLabel.unbind(t,e)}))}}},Object.keys(O).forEach(function(e){p[e]=function(){return new M(O[e],Array.prototype.slice.call(arguments))}}),p.positionByWindowResize=!0,window.addEventListener("resize",be.add(function(){p.positionByWindowResize&&Object.keys(r).forEach(function(e){N(r[e],{position:!0})})}),!1),p}();

export function leader_line(src_id, dest_id, opts) {
    const src_element = document.getElementById(src_id);
    const dest_element = document.getElementById(dest_id);

    if (src_element != null && src_element != null) {
        return new LeaderLine(src_element, dest_element, opts);
    } else {
        return null;
    }
}