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this.setNext("stream");if("\uFEFF"===t[0]&&(yield*this.pushCount(1),t=t.substring(1)),"%"===t[0]){let e=t.length,n=t.indexOf("#");for(;-1!==n;){let i=t[n-1];if(" "===i||"	"===i){e=n-1;break}n=t.indexOf("#",n+1)}for(;;){let n=t[e-1];if(" "===n||"	"===n)e-=1;else break}let i=(yield*this.pushCount(e))+(yield*this.pushSpaces(!0));return yield*this.pushCount(t.length-i),this.pushNewline(),"stream"}if(this.atLineEnd()){let e=yield*this.pushSpaces(!0);return yield*this.pushCount(t.length-e),yield*this.pushNewline(),"stream"}return yield"\x02",yield*this.parseLineStart()}*parseLineStart(){let t=this.charAt(0);if(!t&&!this.atEnd)return this.setNext("line-start");if("-"===t||"."===t){if(!this.atEnd&&!this.hasChars(4))return this.setNext("line-start");let t=this.peek(3);if(("---"===t||"..."===t)&&eF(this.charAt(3)))return yield*this.pushCount(3),this.indentValue=0,this.indentNext=0,"---"===t?"doc":"stream"}return this.indentValue=yield*this.pushSpaces(!1),this.indentNext>this.indentValue&&!eF(this.charAt(1))&&(this.indentNext=this.indentValue),yield*this.parseBlockStart()}*parseBlockStart(){let[t,e]=this.peek(2);if(!e&&!this.atEnd)return this.setNext("block-start");if(("-"===t||"?"===t||":"===t)&&eF(e)){let t=(yield*this.pushCount(1))+(yield*this.pushSpaces(!0));return this.indentNext=this.indentValue+1,this.indentValue+=t,yield*this.parseBlockStart()}return"doc"}*parseDocument(){yield*this.pushSpaces(!0);let t=this.getLine();if(null===t)return this.setNext("doc");let e=yield*this.pushIndicators();switch(t[e]){case"#":yield*this.pushCount(t.length-e);case void 0:return yield*this.pushNewline(),yield*this.parseLineStart();case"{":case"[":return yield*this.pushCount(1),this.flowKey=!1,this.flowLevel=1,"flow";case"}":case"]":return yield*this.pushCount(1),"doc";

25case"*":return yield*this.pushUntil(eH),"doc";case'"':case"'":return yield*this.parseQuotedScalar();case"|":case">":return e+=(yield*this.parseBlockScalarHeader())+(yield*this.pushSpaces(!0)),yield*this.pushCount(t.length-e),yield*this.pushNewline(),yield*this.parseBlockScalar();default:return yield*this.parsePlainScalar()}}*parseFlowCollection(){let t,e;let n=-1;do(t=yield*this.pushNewline())>0?(e=yield*this.pushSpaces(!1),this.indentValue=n=e):e=0,e+=yield*this.pushSpaces(!0);while(t+e>0);let i=this.getLine();if(null===i)return this.setNext("flow");if((-1!==n&&n<this.indentNext&&"#"!==i[0]||0===n&&(i.startsWith("---")||i.startsWith("..."))&&eF(i[3]))&&!(n===this.indentNext-1&&1===this.flowLevel&&("]"===i[0]||"}"===i[0])))return this.flowLevel=0,yield"\x18",yield*this.parseLineStart();let r=0;for(;","===i[r];)r+=(yield*this.pushCount(1))+(yield*this.pushSpaces(!0)),this.flowKey=!1;switch(i[r+=yield*this.pushIndicators()]){case void 0:return"flow";case"#":return yield*this.pushCount(i.length-r),"flow";case"{":case"[":return yield*this.pushCount(1),this.flowKey=!1,this.flowLevel+=1,"flow";case"}":case"]":return yield*this.pushCount(1),this.flowKey=!0,this.flowLevel-=1,this.flowLevel?"flow":"doc";case"*":return yield*this.pushUntil(eH),"flow";case'"':case"'":return this.flowKey=!0,yield*this.parseQuotedScalar();case":":{let t=this.charAt(1);if(this.flowKey||eF(t)||","===t)return this.flowKey=!1,yield*this.pushCount(1),yield*this.pushSpaces(!0),"flow"}default:return this.flowKey=!1,yield*this.parsePlainScalar()}}*parseQuotedScalar(){let t=this.charAt(0),e=this.buffer.indexOf(t,this.pos+1);if("'"===t)for(;-1!==e&&"'"===this.buffer[e+1];)e=this.buffer.indexOf("'",e+2);else for(;-1!==e;){let t=0;for(;"\\"===this.buffer[e-1-t];)t+=1;if(t%2==0)break;e=this.buffer.indexOf('"',e+1)}let n=this.buffer.substring(0,e),i=n.indexOf("\n",this.pos);if(-1!==i){for(;-1!==i;){let t=this.continueScalar(i+1);if(-1===t)break;i=n.indexOf("\n",t)}-1!==i&&(e=i-("\r"===n[i-1]?2:1))}if(-1===e){if(!this.atEnd)return this.setNext("quoted-scalar");e=this.buffer.length}return yield*this.pushToIndex(e+1,!1),this.flowLevel?"flow":"doc"}*parseBlockScalarHeader(){this.blockScalarIndent=-1,this.blockScalarKeep=!1;let t=this.pos;for(;;){let e=this.buffer[++t];if("+"===e)this.blockScalarKeep=!0;else if(e>"0"&&e<="9")this.blockScalarIndent=Number(e)-1;else if("-"!==e)break}return yield*this.pushUntil(t=>eF(t)||"#"===t)}*parseBlockScalar(){let t,e=this.pos-1,n=0;e:for(let i=this.pos;t=this.buffer[i];++i)switch(t){case" ":n+=1;break;case"\n":e=i,n=0;break;case"\r":{let t=this.buffer[i+1];if(!t&&!this.atEnd)return this.setNext("block-scalar");if("\n"===t)break}default:break e}if(!t&&!this.atEnd)return this.setNext("block-scalar");if(n>=this.indentNext){-1===this.blockScalarIndent?this.indentNext=n:this.indentNext=this.blockScalarIndent+(0===this.indentNext?1:this.indentNext);do{let t=this.continueScalar(e+1);if(-1===t)break;e=this.buffer.indexOf("\n",t)}while(-1!==e);if(-1===e){if(!this.atEnd)return this.setNext("block-scalar");e=this.buffer.length}}let i=e+1;for(t=this.buffer[i];" "===t;)t=this.buffer[++i];if("	"===t){for(;"	"===t||" "===t||"\r"===t||"\n"===t;)t=this.buffer[++i];e=i-1}else if(!this.blockScalarKeep)for(;;){let t=e-1,i=this.buffer[t];"\r"===i&&(i=this.buffer[--t]);let r=t;for(;" "===i;)i=this.buffer[--t];if("\n"===i&&t>=this.pos&&t+1+n>r)e=t;else break}return yield"\x1f",yield*this.pushToIndex(e+1,!0),yield*this.parseLineStart()}*parsePlainScalar(){let t;let e=this.flowLevel>0,n=this.pos-1,i=this.pos-1;for(;t=this.buffer[++i];)if(":"===t){let t=this.buffer[i+1];if(eF(t)||e&&eV.has(t))break;n=i}else if(eF(t)){let r=this.buffer[i+1];if("\r"===t&&("\n"===r?(i+=1,t="\n",r=this.buffer[i+1]):n=i),"#"===r||e&&eV.has(r))break;if("\n"===t){let t=this.continueScalar(i+1);if(-1===t)break;i=Math.max(i,t-2)}}else{if(e&&eV.has(t))break;n=i}return t||this.atEnd?(yield"\x1f",yield*this.pushToIndex(n+1,!0),e?"flow":"doc"):this.setNext("plain-scalar")}*pushCount(t){return t>0?(yield this.buffer.substr(this.pos,t),this.pos+=t,t):0}*pushToIndex(t,e){let n=this.buffer.slice(this.pos,t);return n?(yield n,this.pos+=n.length,n.length):(e&&(yield""),0)}*pushIndicators(){switch(this.charAt(0)){case"!":return(yield*this.pushTag())+(yield*this.pushSpaces(!0))+(yield*this.pushIndicators());case"&":return(yield*this.pushUntil(eH))+(yield*this.pushSpaces(!0))+(yield*this.pushIndicators());case"-":case"?":case":":{let t=this.flowLevel>0,e=this.charAt(1);if(eF(e)||t&&eV.has(e))return t?this.flowKey&&(this.flowKey=!1):this.indentNext=this.indentValue+1,(yield*this.pushCount(1))+(yield*this.pushSpaces(!0))+(yield*this.pushIndicators())}}return 0}*pushTag(){if("<"===this.charAt(1)){let t=this.pos+2,e=this.buffer[t];for(;!eF(e)&&">"!==e;)e=this.buffer[++t];return yield*this.pushToIndex(">"===e?t+1:t,!1)}{let t=this.pos+1,e=this.buffer[t];for(;e;)if(eX.has(e))e=this.buffer[++t];else if("%"===e&&eU.has(this.buffer[t+1])&&eU.has(this.buffer[t+2]))e=this.buffer[t+=3];else break;return yield*this.pushToIndex(t,!1)}}*pushNewline(){let t=this.buffer[this.pos];return"\n"===t?yield*this.pushCount(1):"\r"===t&&"\n"===this.charAt(1)?yield*this.pushCount(2):0}*pushSpaces(t){let e,n=this.pos-1;do e=this.buffer[++n];while(" "===e||t&&"	"===e);let i=n-this.pos;return i>0&&(yield this.buffer.substr(this.pos,i),this.pos=n),i}*pushUntil(t){let e=this.pos,n=this.buffer[e];for(;!t(n);)n=this.buffer[++e];return yield*this.pushToIndex(e,!1)}}function eJ(t,e){for(let n=0;n<t.length;++n)if(t[n].type===e)return!0;return!1}function eG(t){for(let e=0;e<t.length;++e)switch(t[e].type){case"space":case"comment":case"newline":break;default:return e}return -1}function eQ(t){switch(t?.type){case"alias":case"scalar":case"single-quoted-scalar":case"double-quoted-scalar":case"flow-collection":return!0;default:return!1}}function eZ(t){switch(t.type){case"document":return t.start;case"block-map":{let e=t.items[t.items.length-1];return e.sep??e.start}case"block-seq":return t.items[t.items.length-1].start;default:return[]}}function e0(t){if(0===t.length)return[];let e=t.length;e:for(;--e>=0;)switch(t[e].type){case"doc-start":case"explicit-key-ind":case"map-value-ind":case"seq-item-ind":case"newline":break e}for(;t[++e]?.type==="space";);return t.splice(e,t.length)}function e1(t){if("flow-seq-start"===t.start.type)for(let e of t.items)!e.sep||e.value||eJ(e.start,"explicit-key-ind")||eJ(e.sep,"map-value-ind")||(e.key&&(e.value=e.key),delete e.key,eQ(e.value)?e.value.end?Array.prototype.push.apply(e.value.end,e.sep):e.value.end=e.sep:Array.prototype.push.apply(e.start,e.sep),delete e.sep)}class 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26("start")),this},zoom:function(t,e){return this.mouse&&"mouse"!==t&&(this.mouse[1]=e.invert(this.mouse[0])),this.touch0&&"touch"!==t&&(this.touch0[1]=e.invert(this.touch0[0])),this.touch1&&"touch"!==t&&(this.touch1[1]=e.invert(this.touch1[0])),this.that.__zoom=e,this.emit("zoom"),this},end:function(){return 0==--this.active&&(delete this.that.__zooming,this.emit("end")),this},emit:function(t){var e=e_(this.that).datum();f.call(t,this.that,new eK(t,{sourceEvent:this.sourceEvent,target:m,type:t,transform:this.that.__zoom,dispatch:f}),e)}},m.wheelDelta=function(t){return arguments.length?(o="function"==typeof t?t:eq(+t),m):o},m.filter=function(t){return arguments.length?(i="function"==typeof t?t:eq(!!t),m):i},m.touchable=function(t){return arguments.length?(s="function"==typeof t?t:eq(!!t),m):s},m.extent=function(t){return arguments.length?(r="function"==typeof t?t:eq([[+t[0][0],+t[0][1]],[+t[1][0],+t[1][1]]]),m):r},m.scaleExtent=function(t){return arguments.length?(l[0]=+t[0],l[1]=+t[1],m):[l[0],l[1]]},m.translateExtent=function(t){return arguments.length?(c[0][0]=+t[0][0],c[1][0]=+t[1][0],c[0][1]=+t[0][1],c[1][1]=+t[1][1],m):[[c[0][0],c[0][1]],[c[1][0],c[1][1]]]},m.constrain=function(t){return arguments.length?(a=t,m):a},m.duration=function(t){return arguments.length?(p=+t,m):p},m.interpolate=function(t){return arguments.length?(u=t,m):u},m.on=function(){var t=f.on.apply(f,arguments);return t===f?m:t},m.clickDistance=function(t){return arguments.length?(h=(t=+t)*t,m):Math.sqrt(h)},m.tapDistance=function(t){return arguments.length?(d=+t,m):d},m})().filter(t=>this.options.scrollForPan&&"wheel"===t.type?t.ctrlKey&&!t.button:(!t.ctrlKey||"wheel"===t.type)&&!t.button).on("zoom",this.handleZoom),this.setOptions(e),this.state={id:this.options.id||this.svg.attr("id")||(0,r.zv)(),rect:{x1:0,y1:0,x2:0,y2:0}},this.g=this.svg.append("g"),this.g.append("g").attr("class","markmap-highlight"),this._observer=new ResizeObserver((0,r.Ds)(()=>{this.renderData()},100)),this._disposeList.push(nx.tap(()=>{this.setData()}),()=>this._observer.disconnect())}getStyleContent(){let{style:t}=this.options,{id:e}=this.state,n="function"==typeof t?t(e):"";return[this.options.embedGlobalCSS&&".markmap{--markmap-max-width: 9999px;--markmap-a-color: #0097e6;--markmap-a-hover-color: #00a8ff;--markmap-code-bg: #f0f0f0;--markmap-code-color: #555;--markmap-highlight-bg: #ffeaa7;--markmap-table-border: 1px solid currentColor;--markmap-font: 300 16px/20px sans-serif;--markmap-circle-open-bg: #fff;--markmap-text-color: #333;--markmap-highlight-node-bg: #ff02;font:var(--markmap-font);color:var(--markmap-text-color)}.markmap-link{fill:none}.markmap-node>circle{cursor:pointer}.markmap-foreign{display:inline-block}.markmap-foreign p{margin:0}.markmap-foreign a{color:var(--markmap-a-color)}.markmap-foreign a:hover{color:var(--markmap-a-hover-color)}.markmap-foreign code{padding:.25em;font-size:calc(1em - 2px);color:var(--markmap-code-color);background-color:var(--markmap-code-bg);border-radius:2px}.markmap-foreign pre{margin:0}.markmap-foreign pre>code{display:block}.markmap-foreign del{text-decoration:line-through}.markmap-foreign em{font-style:italic}.markmap-foreign strong{font-weight:700}.markmap-foreign mark{background:var(--markmap-highlight-bg)}.markmap-foreign table,.markmap-foreign th,.markmap-foreign td{border-collapse:collapse;border:var(--markmap-table-border)}.markmap-foreign img{display:inline-block}.markmap-foreign svg{fill:currentColor}.markmap-foreign>div{width:var(--markmap-max-width);text-align:left}.markmap-foreign>div>div{display:inline-block}.markmap-highlight rect{fill:var(--markmap-highlight-node-bg)}.markmap-dark .markmap{--markmap-code-bg: #1a1b26;--markmap-code-color: #ddd;--markmap-circle-open-bg: #444;--markmap-text-color: #eee}",n].filter(Boolean).join(`
27`)}updateStyle(){this.svg.attr("class",(0,r.cn)(this.svg.attr("class"),"markmap",this.state.id));let t=this.getStyleContent();this.styleNode.text(t)}async toggleNode(t,e=!1){var n,i;let a=null!=(n=t.payload)&&n.fold?0:1;e?(0,r.in)(t,(t,e)=>{t.payload={...t.payload,fold:a},e()}):t.payload={...t.payload,fold:null!=(i=t.payload)&&i.fold?0:1},await this.renderData(t)}_initializeData(t){let e=0,{color:n,initialExpandLevel:i}=this.options,a=0,o=0;return(0,r.in)(t,(t,r,s)=>{var l,c,p,u;o+=1,t.children=null==(l=t.children)?void 0:l.map(t=>({...t})),e+=1,t.state={...t.state,depth:o,id:e,rect:{x:0,y:0,width:0,height:0},size:[0,0]},t.state.key=[null==(c=null==s?void 0:s.state)?void 0:c.id,t.state.id].filter(

27Boolean).join(".")+function(t){let e=0;for(let n=0;n<t.length;n++)e=(e<<5)-e+t.charCodeAt(n)|0;return(e>>>0).toString(36)}(t.content),t.state.path=[null==(p=null==s?void 0:s.state)?void 0:p.path,t.state.id].filter(Boolean).join("."),n(t);let f=(null==(u=t.payload)?void 0:u.fold)===2;f?a+=1:(a||i>=0&&t.state.depth>=i)&&(t.payload={...t.payload,fold:1}),r(),f&&(a-=1),o-=1}),t}_relayout(){if(!this.state.data)return;this.g.selectAll(e3(nm)).selectAll(e3("foreignObject")).each(function(t){var e;let n=null==(e=this.firstChild)?void 0:e.firstChild,i=[n.scrollWidth,n.scrollHeight];t.state.size=i});let{lineWidth:t,paddingX:e,spacingHorizontal:n,spacingVertical:i}=this.options,r=nn({}).children(t=>{var e;if(!(null!=(e=t.payload)&&e.fold))return t.children}).nodeSize(t=>{let[i,r]=t.data.state.size;return[r,i+(i?2*e:0)+n]}).spacing((e,n)=>(e.parent===n.parent?i:2*i)+t(e.data)),s=r.hierarchy(this.state.data);r(s);let l=s.descendants();l.forEach(t=>{t.data.state.rect={x:t.y,y:t.x-t.xSize/2,width:t.ySize-n,height:t.xSize}}),this.state.rect={x1:o(l,t=>t.data.state.rect.x)||0,y1:o(l,t=>t.data.state.rect.y)||0,x2:a(l,t=>t.data.state.rect.x+t.data.state.rect.width)||0,y2:a(l,t=>t.data.state.rect.y+t.data.state.rect.height)||0}}setOptions(t){this.options={...this.options,...t},this.options.zoom?this.svg.call(this.zoom):this.svg.on(".zoom",null),this.options.pan?this.svg.on("wheel",this.handlePan):this.svg.on("wheel",null)}async setData(t,e){e&&this.setOptions(e),t&&(this.state.data=this._initializeData(t)),this.state.data&&(this.updateStyle(),await this.renderData())}async setHighlight(t){this.state.highlight=t||void 0,await this.renderData()}_getHighlightRect(t){let e=4/eX(this.svg.node()).k,n={...t.state.rect};return n.x-=e,n.y-=e,n.width+=2*e,n.height+=2*e,n}async renderData(t){let{paddingX:e,autoFit:n,color:i,maxWidth:a,lineWidth:o}=this.options,s=this.state.data;if(!s)return;let l={},c={},p=[];(0,r.in)(s,(t,e,n)=>{var i;null!=(i=t.payload)&&i.fold||e(),l[t.state.id]=t,n&&(c[t.state.id]=n.state.id),p.push(t)});let u={},f={},h=t=>{!t||u[t.state.id]||(0,r.in)(t,(e,n)=>{u[e.state.id]=t.state.id,n()})},d=t=>f[u[t.state.id]]||s.state.rect,m=t=>(l[u[t.state.id]]||s).state.rect;f[s.state.id]=s.state.rect,t&&h(t);let{highlight:g}=this.state;g&&!l[g.state.id]&&(g=void 0);let v=this.g.selectAll(e3("g.markmap-highlight")).selectAll(e3("rect")).data(g?[this._getHighlightRect(g)]:[]).join("rect").attr("x",t=>t.x).attr("y",t=>t.y).attr("width",t=>t.width).attr("height",t=>t.height),y=this.g.selectAll(e3(nm)).each(t=>{f[t.state.id]=t.state.rect}).data(p,t=>t.state.key),x=y.enter().append("g").attr("data-depth",t=>t.state.depth).attr("data-path",t=>t.state.path).each(t=>{h(l[c[t.state.id]])}),b=y.exit().each(t=>{h(l[c[t.state.id]])}),w=y.merge(x).attr("class",t=>{var e;return["markmap-node",(null==(e=t.payload)?void 0:e.fold)&&"markmap-fold"].filter(Boolean).join(" ")}),k=w.selectAll(e3("line")).data(t=>[t],t=>t.state.key),_=k.enter().append("line").attr("stroke",t=>i(t)).attr("stroke-width",0),E=k.merge(_),S=w.selectAll(e3("circle")).data(t=>{var e;return null!=(e=t.children)&&e.length?[t]:[]},t=>t.state.key),A=S.enter().append("circle").attr("stroke-width",0).attr("r",0).on("click",(t,e)=>this.handleClick(t,e)).on("mousedown",ny).merge(S).attr("stroke",t=>i(t)).attr("fill",t=>{var e;return null!=(e=t.payload)&&e.fold&&t.children?i(t):"var(--markmap-circle-open-bg)"}),O=this._observer,$=w.selectAll(e3("foreignObject")).data(t=>[t],t=>t.state.key),T=$.enter().append("foreignObject").attr("class","markmap-foreign").attr("x",e).attr("y",0).style("opacity",0).on("mousedown",ny).on("dblclick",ny);T.append("xhtml:div").append("xhtml:div").html(t=>t.content).attr("xmlns","http://www.w3.org/1999/xhtml"),T.each(function(){var t;let e=null==(t=this.firstChild)?void 0:t.firstChild;O.observe(e)});let j=b.selectAll(e3("foreignObject"));j.each(function(){var t;let e=null==(t=this.firstChild)?void 0:t.firstChild;O.unobserve(e)});let N=T.merge($),I=p.flatMap(t=>{var e;return null!=(e=t.payload)&&e.fold?[]:t.children.map(e=>({source:t,target:e}))}),C=this.g.selectAll(e3("path.markmap-link")).data(I,t=>t.target.state.key),M=C.exit(),L=C.enter().insert("path","g").attr("class","markmap-link").attr("data-depth",t=>t.target.state.depth).attr("data-path",t=>t.target.state.path).attr("d",t=>{let e=d(t.target),n=[e.x+e.width,e.y+e.height];return ng({source:n,target:n})}).attr("stroke-width",0).merge(C);this.svg.style("--markmap-max-width",a?`${a}px`:null),await new Promise(requestAnimationFrame),this._relayout(),v=v.data(g?[this._getHighlightRect(g)]:[]).join("rect"),this.transition(v).attr("x",t=>t.x).attr("y",t=>t.y).attr("width",t=>t.width).attr("height",t=>t.height),x.attr("transform",t=>{let e=d(t);return`translate(${e.x+e.width-t.state.rect.width},${e.y+e.height-t.state.rect.height})`}),this.transition(b).attr("transform",t=>{let e=m(t),n=e.x+e.width-t.state.rect.width,i=e.y+e.height-t.state.rect.height;return`translate(${n},${i})`}).remove(),this.transition(w).attr("transform",t=>`translate(${t.state.rect.x},${t.state.rect.y})`);let z=b.selectAll(e3("line"));this.transition(z).attr("x1",t=>t.state.rect.width).attr("stroke-width",0),_.attr("x1",t=>t.state.rect.width).attr("x2",t=>t.state.rect.width),E.attr("y1",t=>t.state.rect.height+o(t)/2).attr("y2",t=>t.state.rect.height+o(t)/2),this.transition(E).attr("x1",-1).attr("x2",t=>t.state.rect.width+2).attr("stroke",t=>i(t)).attr("stroke-width",o);let B=b.selectAll(e3("circle"));this.transition(B).attr("r",0).attr("stroke-width",0),A.attr("cx",t=>t.state.rect.width).attr("cy",t=>t.state.rect.height+o(t)/2),this.transition(A).attr("r",6).attr("stroke-width","1.5"),this.transition(j).style("opacity",0),N.attr("width",t=>Math.max(0,t.state.rect.width-2*e)).attr("height",t=>t.state.rect.height),this.transition(N).style("opacity",1),this.transition(M).attr("d",t=>{let e=m(t.target),n=[e.x+e.width,e.y+e.height+o(t.target)/2];return ng({source:n,target:n})}).attr("stroke-width",0).remove(),this.transition(L).attr("stroke",t=>i(t.target)).attr("stroke-width",t=>o(t.target)).attr("d",t=>{let e=t.source,n=t.target;return ng({source:[e.state.rect.x+e.state.rect.width,e.state.rect.y+e.state.rect.height+o(e)/2],target:[n.state.rect.x,n.state.rect.y+n.state.rect.height+o(n)/2]})}),n&&this.fit()}transition(t){let{duration:e}=this.options;return t.transition().duration(e)}async fit(t=this.options.maxInitialScale){let{width:e,height:n}=this.svg.node().getBoundingClientRect(),{fitRatio:i}=this.options,{x1:a,y1:o,x2:s,y2:l}=this.state.rect,c=s-a,p=l-o,u=Math.min(e/c*i,n/p*i,t),f=eU.translate((e-c*u)/2-a*u,(n-p*u)/2-o*u).scale(u);return this.transition(this.svg).call(this.zoom.transform,f).end().catch(r.ZT)}findElement(t){let e;return this.g.selectAll(e3(nm)).each(function(n){n===t&&(e={data:n,g:this})}),e}async ensureVisible(t,e){var n;let i=null==(n=this.findElement(t))?void 0:n.data;if(!i)return;let a=this.svg.node(),o=a.getBoundingClientRect(),s=eX(a),[l,c]=[i.state.rect.x,i.state.rect.x+i.state.rect.width+2].map(t=>t*s.k+s.x),[p,u]=[i.state.rect.y,i.state.rect.y+i.state.rect.height].map(t=>t*s.k+s.y),f={left:0,right:0,top:0,bottom:0,...e}

27,h=[f.left-l,o.width-f.right-c],d=[f.top-p,o.height-f.bottom-u],m=h[0]*h[1]>0?nv(h,Math.abs)/s.k:0,g=d[0]*d[1]>0?nv(d,Math.abs)/s.k:0;if(m||g){let t=s.translate(m,g);return this.transition(this.svg).call(this.zoom.transform,t).end().catch(r.ZT)}}async centerNode(t,e){var n;let i=null==(n=this.findElement(t))?void 0:n.data;if(!i)return;let a=this.svg.node(),o=a.getBoundingClientRect(),s=eX(a),l=(i.state.rect.x+i.state.rect.width/2)*s.k+s.x,c=(i.state.rect.y+i.state.rect.height/2)*s.k+s.y,p={left:0,right:0,top:0,bottom:0,...e},u=(p.left+o.width-p.right)/2,f=(p.top+o.height-p.bottom)/2,h=(u-l)/s.k,d=(f-c)/s.k;if(h||d){let t=s.translate(h,d);return this.transition(this.svg).call(this.zoom.transform,t).end().catch(r.ZT)}}async rescale(t){let e=this.svg.node(),{width:n,height:i}=e.getBoundingClientRect(),a=eX(e),o=a.translate((n/2-a.x)*(1-t)/a.k,(i/2-a.y)*(1-t)/a.k).scale(t);return this.transition(this.svg).call(this.zoom.transform,o).end().catch(r.ZT)}destroy(){this.svg.on(".zoom",null),this.svg.html(null),this._disposeList.forEach(t=>{t()})}static create(t,e,n=null){let i=new nb(t,e);return n&&i.setData(n).then(()=>{i.fit()}),i}}}}]);