chartjs-chart-venn/build/index.umd.min.js

Chart.js module for venn diagrams

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G(e,t={}){const{lossFunction:r,layoutFunction:s=$,normalize:o=!0,orientation:a=Math.PI/2,orientationOrder:n,width:i=600,height:x=350,padding:l=15,scaleToFit:c=!1,symmetricalTextCentre:y=!1,distinct:f,round:d=2}=t;let g=s(e,{lossFunction:"default"!==r&&r?"logRatio"===r?F:r:_,distinct:f});o&&(g=L(g,a,n));const u=function(e,t,r,s,o){const a=V(e);t-=2*s,r-=2*s;const{xRange:n,yRange:i}=T(a);if(n.max===n.min||i.max===i.min)return console.log("not scaling solution: zero size detected"),e;let x,l;if(o){const e=2*Math.sqrt(o/Math.PI);x=t/e,l=r/e}else x=t/(n.max-n.min),l=r/(i.max-i.min);const c=Math.min(l,x),y=(t-(n.max-n.min)*c)/2,f=(r-(i.max-i.min)*c)/2;return q(a.map((e=>({radius:c*e.radius,x:s+y+(e.x-n.min)*c,y:s+f+(e.y-i.min)*c,setid:e.setid}))))}(g,i,x,l,c),m=Y(u,e,y),p=new Map(Object.keys(u).map((e=>[e,{set:e,x:u[e].x,y:u[e].y,radius:u[e].radius}]))),w=e.map((e=>{const t=e.sets.map((e=>p.get(e))),r=function(e){if(0===e.length)return[];const t={};return h(e,t),t.arcs}(t),s=function(e,t){if(0===e.length)return"M 0 0";const r=Math.pow(10,t||0),s=null!=t?e=>Math.round(e*r)/r:e=>e;if(1==e.length){const t=e[0].circle;return function(e,t,r){const s=[];return s.push("\nM",e,t),s.push("\nm",-r,0),s.push("\na",r,r,0,1,0,2*r,0),s.push("\na",r,r,0,1,0,2*-r,0),s.join(" ")}(s(t.x),s(t.y),s(t.radius))}const o=["\nM",s(e[0].p2.x),s(e[0].p2.y)];for(const t of e){const e=s(t.circle.radius);o.push("\nA",e,e,0,t.large?1:0,t.sweep?1:0,s(t.p1.x),s(t.p1.y))}return o.join(" ")}(r,d);return{circles:t,arcs:r,path:s,area:e,has:new Set(e.sets)}}));function b(e){let t="";for(const r of w)r.has.size>e.length&&e.every((e=>r.has.has(e)))&&(t+=" "+r.path);return t}return w.map((({circles:e,arcs:t,path:r,area:s})=>({data:s,text:m[s.sets],circles:e,arcs:t,path:r,distinctPath:r+b(s.sets)})))}function X(e,t,r){if(!e)return e;const s=e=>t(Number.parseFloat(e)).toString(),o=e=>r(Number.parseFloat(e)).toString();return e.split("\n").map((e=>{const t=e.trim().split(/[ ,]/);return"M"===t[0]?`${t[0]} ${s(t[1])} ${o(t[2])}`:"A"===t[0]?`${t.slice(0,6).join(" ")} ${s(t[6])} ${o(t[7])}`:e})).join("\n")}function Z(e,t){const r=G(e.map((e=>({sets:e.sets,size:e.value}))),{width:t.width,height:t.height,distinct:!0}),s=r.filter((e=>1===e.data.sets.length)),o=s.map((e=>e.data.sets[0])),n=s.map((e=>e.circles[0])),i=function(e){const t=e.reduce(((e,t)=>e+t.x),0),r=e.reduce(((e,t)=>e+t.y),0);return{x:t/e.length,y:r/e.length}}(s.map((e=>e.circles[0]))),x=s.map((e=>{const r=e.circles[0],s=function(e,t){const r=e.x-t.x,s=e.y-t.y;return Math.atan2(s,r)/Math.PI*180}(r,i);return{cx:r.x+t.x,cy:r.y+t.y,r:r.radius,align:s>90?"end":"start",verticalAlign:"bottom",text:a(r.x+t.x,r.y+t.y,1.1*r.radius,s)}})),l=e=>({x2:e.p1.x+t.x,y2:e.p1.y+t.y,ref:n.findIndex((t=>Math.abs(t.x-e.circle.x)<.05&&Math.abs(t.y-e.circle.y)<.05)),sweep:!0,large:e.width>e.circle.radius,mode:"i"});return{sets:x,intersections:r.map((e=>{const{arcs:r}=e,s={x:e.text.x+t.x,y:e.text.y+t.y},a=e.data.sets.map((e=>o.indexOf(e)));if(0===r.length)return{sets:a,text:s,x1:0,y1:0,arcs:[]};if(1===r.length){const r=e.arcs[0].circle;return{sets:a,text:s,x1:e.arcs[0].p2.x+t.x,y1:r.y-r.radius+t.y,arcs:[l(e.arcs[0]),Object.assign(l(e.arcs[0]),{y2:r.y-r.radius+t.y})],path:X(e.distinctPath||e.path,(e=>e+t.x),(e=>e+t.y))}}return{text:s,sets:a,x1:e.arcs[0].p2.x+t.x,y1:e.arcs[0].p2.y+t.y,arcs:e.arcs.map((e=>l(e))),path:X(e.distinctPath||e.path,(e=>e+t.x),(e=>e+t.y))}}))}}class H extends g{computeLayout(e){return Z(this._data,e)}}H.id="euler",H.defaults=g.defaults;class J extends t.Chart{constructor(e,t){super(e,d("euler",t,H,n))}}function K(e,t,r){const s=e.map((e=>e.label)),o=s.join(" ∩ "),a=e.slice(1).map((e=>r.get(e))),n=t.map((e=>r.get(e))),i=e[0].values.filter((e=>a.every((t=>null!=t&&t.has(e)))&&n.every((t=>null!=t&&!t.has(e)))));return{sets:s,label:o,value:i.length,values:i,degree:s.length}}J.id=H.id,t.registry.addControllers(g,H),t.registry.addElements(n),e.ArcSlice=n,e.EulerDiagramChart=J,e.EulerDiagramController=H,e.VennDiagramChart=u,e.VennDiagramController=g,e.extractSets=function(e,t={}){const r=[],s=new Map(e.map((e=>[e,new Set(e.values)]))),o=e.slice(0,5);switch(o.length){case 1:r.push(K([o[0]],[],s));break;case 2:r.push(K([o[0]],[o[1]],s),K([o[1]],[o[0]],s),K([o[0],o[1]],[],s));break;case 3:r.push(K([o[0]],[o[1],o[2]],s),K([o[1]],[o[0],o[2]],s),K([o[2]],[o[0],o[1]],s),K([o[0],o[1]],[o[2]],s),K([o[0],o[2]],[o[1]],s),K([o[1],o[2]],[o[0]],s),K([o[0],o[1],o[2]],[],s));break;case 4:r.push(K([o[0]],[o[1],o[2],o[3]],s),K([o[1]],[o[0],o[2],o[3]],s),K([o[2]],[o[0],o[1],o[3]],s),K([o[3]],[o[0],o[1],o[2]],s),K([o[0],o[1]],[o[2],o[3]],s),K([o[0],o[2]],[o[1],o[3]],s),K([o[0],o[3]],[o[1],o[2]],s),K([o[1],o[2]],[o[0],o[3]],s),K([o[1],o[3]],[o[0],o[2]],s),K([o[2],o[3]],[o[0],o[1]],s),K([o[0],o[1],o[2]],[o[3]],s),K([o[0],o[1],o[3]],[o[2]],s),K([o[0],o[2],o[3]],[o[1]],s),K([o[1],o[2],o[3]],[o[0]],s),K([o[0],o[1],o[2],o[3]],[],s));break;case 5:r.push(K([o[0]],[o[1],o[2],o[3],o[4]],s),K([o[1]],[o[0],o[2],o[3],o[4]],s),K([o[2]],[o[0],o[1],o[3],o[4]],s),K([o[3]],[o[0],o[1],o[2],o[4]],s),K([o[4]],[o[0],o[1],o[2],o[3]],s),K([o[0],o[1]],[o[2],o[3],o[4]],s),K([o[0],o[2]],[o[1],o[3],o[4]],s),K([o[0],o[3]],[o[1],o[2],o[4]],s),K([o[0],o[4]],[o[1],o[2],o[3]],s),K([o[1],o[2]],[o[0],o[3],o[4]],s),K([o[1],o[3]],[o[0],o[2],o[4]],s),K([o[1],o[4]],[o[0],o[2],o[3]],s),K([o[2],o[3]],[o[0],o[1],o[4]],s),K([o[2],o[4]],[o[0],o[1],o[3]],s),K([o[3],o[4]],[o[0],o[1],o[2]],s),K([o[0],o[1],o[2]],[o[3],o[4]],s),K([o[0],o[1],o[3]],[o[2],o[4]],s),K([o[0],o[1],o[4]],[o[2],o[3]],s),K([o[0],o[2],o[3]],[o[1],o[4]],s),K([o[0],o[2],o[4]],[o[1],o[3]],s),K([o[0],o[3],o[4]],[o[1],o[2]],s),K([o[1],o[2],o[3]],[o[0],o[4]],s),K([o[1],o[2],o[4]],[o[0],o[3]],s),K([o[1],o[3],o[4]],[o[0],o[2]],s),K([o[2],o[3],o[4]],[o[0],o[1]],s),K([o[0],o[1],o[2],o[3]],[o[4]],s),K([o[0],o[1],o[2],o[4]],[o[3]],s),K([o[0],o[1],o[3],o[4]],[o[2]],s),K([o[0],o[2],o[3],o[4]],[o[1]],s),K([o[1],o[2],o[3],o[4]],[o[0]],s),K([o[0],o[1],o[2],o[3],o[4]],[],s))}return{labels:r.map((e=>e.label)),datasets:[{label:t.label||"Venn Diagram",data:r}]}}}));
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