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i=this.assembleLayout();i&&(n.layout=i),n.marks=[].concat(this.assembleHeaderMarks(),this.assembleMarks());const r=!this.parent||Re(this.parent)?Wl(this):[];r.length>0&&(n.scales=r);const s=this.assembleAxes();s.length>0&&(n.axes=s);const o=this.assembleLegends();return o.length>0&&(n.legends=o),n}getName(t){return W((this.name?`${this.name}_`:"")+t)}getDataName(t){return this.getName(j[t].toLowerCase())}requestDataName(t){const n=this.getDataName(t),i=this.component.data.outputNodeRefCounts;return i[n]=(i[n]||0)+1,n}getSizeSignalRef(t){if(Re(this.parent)){const n=bl(t),i=Ei(n),r=this.component.scales[i];if(r&&!r.merged){const s=r.get("type"),o=r.get("range");if(Z(s)&&Et(o)){const a=r.get("name"),c=dr(this,i),u=vo(c);if(u){const l=w({aggregate:"distinct",field:u},{expr:"datum"});return{signal:yl(a,r,l)}}else return x(Vr(i)),null}}}return{signal:this.signalNameMap.get(this.getName(t))}}lookupDataSource(t){const n=this.component.data.outputNodes[t];return n?n.getSource():t}getSignalName(t){return this.signalNameMap.get(t)}renameSignal(t,n){this.signalNameMap.rename(t,n)}renameScale(t,n){this.scaleNameMap.rename(t,n)}renameProjection(t,n){this.projectionNameMap.rename(t,n)}scaleName(t,n){return n?this.getName(t):aa(t)&&rt(t)&&this.component.scales[t]||this.scaleNameMap.has(this.getName(t))?this.scaleNameMap.get(this.getName(t)):void 0}projectionName(t){return t?this.getName("projection"):this.component.projection&&!this.component.projection.merged||this.projectionNameMap.has(this.getName("projection"))?this.projectionNameMap.get(this.getName("projection")):void 0}getScaleComponent(t){if(!this.component.scales)throw new Error("getScaleComponent cannot be called before parseScale(). Make sure you have called parseScale or use parseUnitModelWithScale().");const n=this.component.scales[t];return n&&!n.merged?n:this.parent?this.parent.getScaleComponent(t):void 0}getSelectionComponent(t,n){let i=this.component.selection[t];if(!i&&this.parent&&(i=this.parent.getSelectionComponent(t,n)),!i)throw new Error(Od(n));return i}hasAxisOrientSignalRef(){return this.component.axes.x?.some(t=>t.hasOrientSignalRef())||this.component.axes.y?.some(t=>t.hasOrientSignalRef())}}class rf extends _o{vgField(t,n={}){const i=this.fieldDef(t);return i?w(i,n):void 0}reduceFieldDef(t,n){return im(this.getMapping(),(i,r,s)=>{const o=Ve(r);return o?t(i,o,s):i},n)}forEachFieldDef(t,n){ks(this.getMapping(),(i,r)=>{const s=Ve(i);s&&t(s,r)},n)}}class pr extends I{clone(){return new pr(null,C(this.transform))}constructor(t,n){super(t);this.transform=n,this.transform=C(n);const i=this.transform.as??[void 0,void 0];this.transform.as=[i[0]??"value",i[1]??"density"],n.groupby&&n.minsteps==null&&n.maxsteps==null&&n.steps==null&&(this.transform.steps=200)}dependentFields(){return new Set([this.transform.density,...this.transform.groupby??[]])}producedFields(){return new Set(this.transform.as)}hash(){return`DensityTransform ${O(this.transform)}`}assemble(){const{density:t,...n}=this.transform,i={type:"kde",field:t,...n};return i}}class ci extends I{clone(){return new ci(null,{...this.filter})}constructor(t,n){super(t);this.filter=n}static make(t,n){const{config:i,mark:r,markDef:s}=n,o=z("invalid",s,i);if(o!=="filter")return null;const a=n.reduceFieldDef((c,u,l)=>{const f=rt(l)&&n.getScaleComponent(l);if(f){const d=f.get("type");ye(d)&&u.aggregate!=="count"&&!_t(r)&&(c[u.field]=u)}return c},{});return b(a).length?new ci(t,a):null}dependentFields(){return new Set(b(this.filter))}producedFields(){return new Set}hash(){return`FilterInvalid ${O(this.filter)}`}assemble(){const t=b(this.filter).reduce((n,i)=>{const r=this.filter[i],s=w(r,{expr:"datum"});return r!==null&&(r.type==="temporal"?n.push(`(isDate(${s}) || (isValid(${s}) && isFinite(+${s})))`):r.type==="quantitative"&&(n.push(`isValid(${s})`),n.push(`isFinite(+${s})`))),n},[]);return t.length>0?{type:"filter",expr:t.join(" && ")}:null}}class gr extends I{clone(){return new gr(this.parent,C(this.transform))}constructor(t,n){super(t);this.transform=n,this.transform=C(n);const{flatten:i,as:r=[]}=this.transform;this.transform.as=i.map((s,o)=>r[o]??s)}dependentFields(){return new Set(this.transform.flatten)}producedFields(){return new Set(this.transform.as)}hash(){return`FlattenTransform ${O(this.transform)}`}assemble(){const{flatten:t,as:n}=this.transform,i={type:"flatten",fields:t,as:n};return i}}class mr extends I{clone(){return new mr(null,C(this.transform))}constructor(t,n){super(t);this.transform=n,this.transform=C(n);const i=this.transform.as??[void 0,void 0];this.transform.as=[i[0]??"key",i[1]??"value"]}dependentFields(){return new Set(this.transform.fold)}producedFields(){return new Set(this.transform.as)}hash(){return`FoldTransform ${O(this.transform)}`}assemble(){const{fold:t,as:n}=this.transform,i={type:"fold",fields:t,as:n};return i}}class Rn extends I{clone(){return new Rn(null,C(this.fields),this.geojson,this.signal)}static parseAll(t,n){if(n.component.projection&&!n.component.projection.isFit)return t;let i=0;for(const r of[[Ce,ke],[we,Ne]]){const s=r.map(o=>{const a=X(n.encoding[o]);return S(a)?a.field:Ge(a)?{expr:`${a.datum}`}:Ae(a)?{expr:`${a.value}`}:void 0});(s[0]||s[1])&&(t=new Rn(t,s,null,n.getName(`geojson_${i++}`)))}if(n.channelHasField(fe)){const r=n.typedFieldDef(fe);r.type===yn&&(t=new Rn(t,null,r.field,n.getName(`geojson_${i++}`)))}return t}constructor(t,n,i,r){super(t);this.fields=n,this.geojson=i,this.signal=r}dependentFields(){const t=(this.fields??[]).filter(F);return new Set([...this.geojson?[this.geojson]:[],...t])}producedFields(){return new Set}hash(){return`GeoJSON ${this.geojson} ${this.signal} ${O(this.fields)}`}assemble(){return[...this.geojson?[{type:"filter",expr:`isValid(datum["${this.geojson}"])`}]:[],{type:"geojson",...this.fields?{fields:this.fields}:{},...this.geojson?{geojson:this.geojson}:{},signal:this.signal}]}}class ui extends I{clone(){return new ui(null,this.projection,C(this.fields),C(this.as))}constructor(t,n,i,r){super(t);this.projection=n,this.fields=i,this.as=r}static parseAll(t,n){if(!n.projectionName())return t;for(const i of[[Ce,ke],[we,Ne]]){const r=i.map(o=>{const a=X(n.encoding[o]);return S(a)?a.field:Ge(a)?{expr:`${a.datum}`}:Ae(a)?{expr:`${a.value}`}:void 0}),s=i[0]===we?"2":"";(r[0]||r[1])&&(t=new ui(t,n.projectionName(),r,[n.getName(`x${s}`),n.getName(`y${s}`)]))}return t}dependentFields(){return new Set(this.fields.filter(F))}producedFields(){return new Set(this.as)}hash(){return`Geopoint ${this.projection} ${O(this.fields)} ${O(this.as)}`}assemble(){return{type:"geopoint",projection:this.projection,fields:this.fields,as:this.as}}}class en extends I{clone(){return new en(null,C(this.transform))}constructor(t,n){super(t);this.transform=n}dependentFields(){return new Set([this.transform.impute,this.transform.key,...this.transform.groupby??[]])}producedFields(){return new Set([this.transform.impute])}processSequence(t){const{start:n=0,stop:i,step:r}=t,s=[n,i,...r?[r]:[]].join(",");return{signal:`sequence(${s})`}}static makeFromTransform(t,n){return new en(t,n)}static makeFromEncoding(t,n){const i=n.encoding,r=i.x,s=i.y;if(S(r)&&S(s)){const o=r.impute?r:s.impute?s:void 0;if(o===void 0)return;const a=r.impute?s:s.impute?r:void 0,{method:c,value:u,frame:l,keyvals:f}=o.impute,d=jc(n.mark,i);return new en(t,{impute:o.field,key:a.field,...c?{method:c}:{},...u!==void 0?{value:u}:{},...l?{frame:l}:{},...f!==void 0?{keyvals:f}:{},...d.length?{groupby:d}:{}})}return null}hash(){return`Impute ${O(this.transform)}`}assemble(){const{impute:t,key:n,keyvals:i,method:r,groupby:s,value:o,frame:a=[null,null]}=this.transform,c={type:"impute",field:t,key:n,...i?{keyvals:th(i)?this.processSequence(i):i}:{},method:"value",...s?{groupby:s}:{},value:!r||r==="value"?o:null};if(r&&r!=="value"){const u={type:"window",as:[`imputed_${t}_value`],ops:[r],fields:[t],frame:a,ignorePeers:!1,...s?{groupby:s}:{}},l={type:"formula",expr:`datum.${t} === null ? datum.imputed_${t}_value : datum.${t}`,as:t};return[c,u,l]}else return[c]}}class hr extends I{clone(){return new hr(null,C(this.transform))}constructor(t,n){super(t);this.transform=n,this.transform=C(n);const i=this.transform.as??[void 0,void 0];this.transform.as=[i[0]??n.on,i[1]??n.loess]}dependentFields(){return new Set([this.transform.loess,this.transform.on,...this.transform.groupby??[]])}producedFields(){return new Set(this.transform.as)}hash(){return`LoessTransform ${O(this.transform)}`}assemble(){const{loess:t,on:n,...i}=this.transform,r={type:"loess",x:n,y:t,...i};return r}}class li extends I{clone(){return new li(null,C(this.transform),this.secondary)}constructor(t,n,i){super(t);this.transform=n,this.secondary=i}static make(t,n,i,r){const s=n.component.data.sources,{from:o}=i;let a=null;if(nh(o)){let c=cf(o.data,s);c||(c=new Qt(o.data),s.push(c));const u=n.getName(`lookup_${r}`);a=new ce(c,u,j.Lookup,n.component.data.outputNodeRefCounts),n.component.data.outputNodes[u]=a}else if(ih(o)){const c=o.param;i={as:c,...i};let u;try{u=n.getSelectionComponent(W(c),c)}catch(l){throw new Error(Rd(c))}if(a=u.materialized,!a)throw new Error(Id(c))}return new li(t,i,a.getSource())}dependentFields(){return new Set([this.transform.lookup])}producedFields(){return new Set(this.transform.as?H(this.transform.as):this.transform.from.fields)}hash(){return`Lookup ${O({transform:this.transform,secondary:this.secondary})}`}assemble(){let t;if(this.transform.from.fields)t={values:this.transform.from.fields,...this.transform.as?{as:H(this.transform.as)}:{}};else{let n=this.transform.as;F(n)||(x(Hd),n="_lookup"),t={as:[n]}}return{type:"lookup",from:this.secondary,key:this.transform.from.key,fields:[this.transform.lookup],...t,...this.transform.default?{default:this.transform.default}:{}}}}class yr extends I{clone(){return new yr(null,C(this.transform))}constructor(t,n){super(t);this.transform=n,this.transform=C(n);const i=this.transform.as??[void 0,void 0];this.transform.as=[i[0]??"prob",i[1]??"value"]}dependentFields(){return new Set([this.transform.quantile,...this.transform.groupby??[]])}producedFields(){return new Set(this.transform.as)}hash(){return`QuantileTransform ${O(this.transform)}`}assemble(){const{quantile:t,...n}=this.transform,i={type:"quantile",field:t,...n};return i}}class br extends I{clone(){return new br(null,C(this.transform))}constructor(t,n){super(t);this.transform=n,this.transform=C(n);const i=this.transform.as??[void 0,void 0];this.transform.as=[i[0]??n.on,i[1]??n.regression]}dependentFields(){return new Set([this.transform.regression,this.transform.on,...this.transform.groupby??[]])}producedFields(){return new Set(this.transform.as)}hash(){return`RegressionTransform ${O(this.transform)}`}assemble(){const{regression:t,on:n,...i}=this.transform,r={type:"regression",x:n,y:t,...i};return r}}class xr extends I{clone(){return new xr(null,C(this.transform))}constructor(t,n){super(t);this.transform=n}addDimensions(t){this.transform.groupby=Le((this.transform.groupby??[]).concat(t),n=>n)}producedFields(){return}dependentFields(){return new Set([this.transform.pivot,this.transform.value,...this.transform.groupby??[]])}hash(){return`PivotTransform ${O(this.transform)}`}assemble(){const{pivot:t,value:n,groupby:i,limit:r,op:s}=this.transform;return{type:"pivot",field:t,value:n,...r!==void 0?{limit:r}:{},...s!==void 0?{op:s}:{},...i!==void 0?{groupby:i}:{}}}}class Sr extends I{clone(){return new Sr(null,C(this.transform))}constructor(t,n){super(t);this.transform=n}dependentFields(){return new Set}producedFields(){return new Set}hash(){return`SampleTransform ${O(this.transform)}`}assemble(){return{type:"sample",size:this.transform.sample}}}function sf(e){let t=0;function n(i,r){if(i instanceof Qt&&(!i.isGenerator&&!_n(i.data))){e.push(r);const s={name:null,source:r.name,transform:[]};r=s}if(i instanceof re&&(i.parent instanceof Qt&&!r.source?(r.format={...r.format??{},parse:i.assembleFormatParse()},r.transform.push(...i.assembleTransforms(!0))):r.transform.push(...i.assembleTransforms())),i instanceof On){r.name||(r.name=`data_${t++}`),!r.source||r.transform.length>0?(e.push(r),i.data=r.name):i.data=r.source,e.push(...i.assemble());return}if((i instanceof si||i instanceof oi||i instanceof ci||i instanceof Nn||i instanceof Fn||i instanceof ui||i instanceof Pe||i instanceof li||i instanceof Pn||i instanceof Jt||i instanceof mr||i instanceof gr||i instanceof 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iS(e,t,n){const i=z("align",e,n);return i===void 0?"center":void 0}function rS(e,t,n){const i=z("baseline",e,n);return i===void 0?"middle":void 0}const sS={vgMark:"rect",encodeEntry:e=>{const{config:t,markDef:n}=e,i=n.orient,r=i==="horizontal"?"width":"height",s=i==="horizontal"?"height":"width";return{...$e(e,{align:"ignore",baseline:"ignore",color:"include",orient:"ignore",size:"ignore",theta:"ignore"}),...ie("x",e,{defaultPos:"mid",vgChannel:"xc"}),...ie("y",e,{defaultPos:"mid",vgChannel:"yc"}),...J("size",e,{defaultValue:oS(e),vgChannel:r}),[s]:U(z("thickness",n,t))}}};function oS(e){const{config:t,markDef:n}=e,{orient:i}=n,r=i==="horizontal"?"width":"height",s=e.getScaleComponent(i==="horizontal"?"x":"y"),o=z("size",n,t,{vgChannel:r})??t.tick.bandSize;if(o!==void 0)return o;{const a=s?s.get("range"):void 0;if(a&&Et(a)&&G(a.step))return a.step*3/4;const c=Zi(t.view,r);return c*3/4}}const $r={arc:Bx,area:Hx,bar:qx,circle:Zx,geoshape:Gx,image:Vx,line:Xx,point:Qx,rect:eS,rule:tS,square:Jx,text:nS,tick:sS,trail:Yx};function aS(e){if(A([Pi,Ai,hg],e.mark)){const t=jc(e.mark,e.encoding);if(t.length>0)return cS(e,t)}else if(e.mark===Oi){const t=qr.some(n=>z(n,e.markDef,e.config));if(e.stack&&!e.fieldDef("size")&&t)return uS(e)}return To(e)}const lf="faceted_path_";function cS(e,t){return[{name:e.getName("pathgroup"),type:"group",from:{facet:{name:lf+e.requestDataName(j.Main),data:e.requestDataName(j.Main),groupby:t}},encode:{update:{width:{field:{group:"width"}},height:{field:{group:"height"}}}},marks:To(e,{fromPrefix:lf})}]}const ff="stack_group_";function uS(e){const[t]=To(e,{fromPrefix:ff}),n=e.scaleName(e.stack.fieldChannel),i=(u={})=>e.vgField(e.stack.fieldChannel,u),r=(u,l)=>{const 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a=[];if(e.stack.groupbyChannels?.length>0)for(const u of e.stack.groupbyChannels){const l=e.fieldDef(u),f=w(l);f&&a.push(f),(l?.bin||l?.timeUnit)&&a.push(w(l,{binSuffix:"end"}))}const c=["stroke","strokeWidth","strokeJoin","strokeCap","strokeDash","strokeDashOffset","strokeMiterLimit","strokeOpacity"];return s=c.reduce((u,l)=>{if(t.encode.update[l])return{...u,[l]:t.encode.update[l]};{const f=Dt(l,e.markDef,e.config);return f!==void 0?{...u,[l]:U(f)}:u}},s),s.stroke&&(s.strokeForeground={value:!0},s.strokeOffset={value:0}),[{type:"group",from:{facet:{data:e.requestDataName(j.Main),name:ff+e.requestDataName(j.Main),groupby:a,aggregate:{fields:[i({suffix:"start"}),i({suffix:"start"}),i({suffix:"end"}),i({suffix:"end"})],ops:["min","max","min","max"]}}},encode:{update:s},marks:[{type:"group",encode:{update:o},marks:[t]}]}]}function lS(e){const{encoding:t,stack:n,mark:i,markDef:r,config:s}=e,o=t.order;if(!$(o)&&Ae(o)&&Tr(o.value)||!o&&Tr(z("order",r,s)))return;if(($(o)||S(o))&&!n)return Ea(o,{expr:"datum"});if(_t(i)){const a=r.orient==="horizontal"?"y":"x",c=t[a];if(S(c)){const u=c.sort;if($(u))return{field:w(c,{prefix:a,suffix:"sort_index",expr:"datum"})};if(qe(u))return{field:w({aggregate:_s(e.encoding)?u.op:void 0,field:u.field},{expr:"datum"})};if(xc(u)){const l=e.fieldDef(u.encoding);return{field:w(l,{expr:"datum"}),order:u.order}}else return u===null?void 0:{field:w(c,{binSuffix:e.stack?.impute?"mid":void 0,expr:"datum"})}}return}return}function To(e,t={fromPrefix:""}){const{mark:n,markDef:i,encoding:r,config:s}=e,o=V(i.clip,fS(e),dS(e)),a=va(i),c=r.key,u=lS(e),l=pS(e),f=z("aria",i,s),d=$r[n].postEncodingTransform?$r[n].postEncodingTransform(e):null;return[{name:e.getName("marks"),type:$r[n].vgMark,...o?{clip:!0}:{},...a?{style:a}:{},...c?{key:c.field}:{},...u?{sort:u}:{},...l||{},...f===!1?{aria:f}:{},from:{data:t.fromPrefix+e.requestDataName(j.Main)},encode:{update:$r[n].encodeEntry(e)},...d?{transform:d}:{}}]}function fS(e){const t=e.getScaleComponent("x"),n=e.getScaleComponent("y");return t?.get("selectionExtent")||n?.get("selectionExtent")?!0:void 0}function dS(e){const t=e.component.projection;return t&&!t.isFit?!0:void 0}function pS(e){if(!e.component.selection)return null;const t=b(e.component.selection).length;let n=t,i=e.parent;for(;i&&n===0;)n=b(i.component.selection).length,i=i.parent;return n?{interactive:t>0||e.mark==="geoshape"||!!e.encoding.tooltip}:null}class df extends rf{constructor(t,n,i,r={},s){super(t,"unit",n,i,s,void 0,ru(t)?t.view:void 0);this.specifiedScales={},this.specifiedAxes={},this.specifiedLegends={},this.specifiedProjection={},this.selection=[],this.children=[];const o=He(t.mark)?{...t.mark}:{type:t.mark},a=o.type;o.filled===void 0&&(o.filled=Ux(o,s,{graticule:t.data&&Gs(t.data)}));const c=this.encoding=tm(t.encoding||{},a,o.filled,s);this.markDef=Mx(o,c,s),this.size=Lx({encoding:c,size:ru(t)?{...r,...t.width?{width:t.width}:{},...t.height?{height:t.height}:{}}:r}),this.stack=du(this.markDef,c),this.specifiedScales=this.initScales(a,c),this.specifiedAxes=this.initAxes(c),this.specifiedLegends=this.initLegends(c),this.specifiedProjection=t.projection,this.selection=(t.params??[]).filter(u=>Rs(u))}get hasProjection(){const{encoding:t}=this,n=this.mark===ac,i=t&&ed.some(r=>N(t[r]));return n||i}scaleDomain(t){const n=this.specifiedScales[t];return n?n.domain:void 0}axis(t){return this.specifiedAxes[t]}legend(t){return this.specifiedLegends[t]}initScales(t,n){return _i.reduce((i,r)=>{const s=X(n[r]);return s&&(i[r]=this.initScale(s.scale??{})),i},{})}initScale(t){const{domain:n,range:i}=t,r=pe(t);return $(n)&&(r.domain=n.map(he)),$(i)&&(r.range=i.map(he)),r}initAxes(t){return We.reduce((n,i)=>{const r=t[i];if(N(r)||i===B&&N(t.x2)||i===K&&N(t.y2)){const s=N(r)?r.axis:void 0;n[i]=s&&this.initAxis({...s})}return n},{})}initAxis(t){const n=b(t),i={};for(const r of n){const s=t[r];i[r]=Zn(s)?xa(s):he(s)}return i}initLegends(t){return ld.reduce((n,i)=>{const r=X(t[i]);if(r&&dd(i)){const s=r.legend;n[i]=s&&pe(s)}return n},{})}parseData(){this.component.data=vr(this)}parseLayoutSize(){Sx(this)}parseSelections(){this.component.selection=fy(this,this.selection)}parseMarkGroup(){this.component.mark=aS(this)}parseAxesAndHeaders(){this.component.axes=Fx(this)}assembleSelectionTopLevelSignals(t){return Ph(this,t)}assembleSignals(){return[...al(this),...Ah(this,[])]}assembleSelectionData(t){return zh(this,t)}assembleLayout(){return null}assembleLayoutSignals(){return co(this)}assembleMarks(){let t=this.component.mark??[];return(!this.parent||!zn(this.parent))&&(t=Pu(this,t)),t.map(this.correctDataNames)}assembleGroupStyle(){const{style:t}=this.view||{};return t!==void 0?t:this.encoding.x||this.encoding.y?"cell":"view"}getMapping(){return this.encoding}get mark(){return this.markDef.type}channelHasField(t){return Vt(this.encoding,t)}fieldDef(t){const n=this.encoding[t];return Ve(n)}typedFieldDef(t){const n=this.fieldDef(t);return ae(n)?n:null}}class Ao extends _o{constructor(t,n,i,r,s){super(t,"layer",n,i,s,t.resolve,t.view);const o={...r,...t.width?{width:t.width}:{},...t.height?{height:t.height}:{}};this.children=t.layer.map((a,c)=>{if(er(a))return new Ao(a,this,this.getName(`layer_${c}`),o,s);if(ct(a))return new df(a,this,this.getName(`layer_${c}`),o,s);throw new Error(Gr(a))})}parseData(){this.component.data=vr(this);for(const t of this.children)t.parseData()}parseLayoutSize(){bx(this)}parseSelections(){this.component.selection={};for(const t of this.children){t.parseSelections();for(const n of b(t.component.selection))this.component.selection[n]=t.component.selection[n]}}parseMarkGroup(){for(const t of this.children)t.parseMarkGroup()}parseAxesAndHeaders(){Ax(this)}assembleSelectionTopLevelSignals(t){return this.children.reduce((n,i)=>i.assembleSelectionTopLevelSignals(n),t)}assembleSignals(){return this.children.reduce((t,n)=>t.concat(n.assembleSignals()),al(this))}assembleLayoutSignals(){return this.children.reduce((t,n)=>t.concat(n.assembleLayoutSignals()),co(this))}assembleSelectionData(t){return this.children.reduce((n,i)=>i.assembleSelectionData(n),t)}assembleGroupStyle(){const t=new Set;for(const i of this.children)for(const r of H(i.assembleGroupStyle()))t.add(r);const n=Array.from(t);return n.length>1?n:n.length===1?n[0]:void 0}assembleTitle(){let t=super.assembleTitle();if(t)return t;for(const n of this.children)if(t=n.assembleTitle(),t)return t;return}assembleLayout(){return null}assembleMarks(){return Rh(this,this.children.flatMap(t=>t.assembleMarks()))}assembleLegends(){return this.children.reduce((t,n)=>t.concat(n.assembleLegends()),Tl(this))}}function Oo(e,t,n,i,r){if(Mi(e))return new fi(e,t,n,r);if(er(e))return new Ao(e,t,n,i,r);if(ct(e))return new df(e,t,n,i,r);if(_m(e))return new _x(e,t,n,r);throw new Error(Gr(e))}function gS(e,t={}){t.logger&&Op(t.logger),t.fieldTitle&&Tc(t.fieldTitle);try{const n=lu(Go(t.config,e.config)),i=_u(e,n),r=Oo(i,null,"",void 0,n);r.parse(),Pb(r.component.data,r);const s=hS(r,mS(e,i.autosize,n,r),e.datasets,e.usermeta);return{spec:s,normalized:i}}finally{t.logger&&Pp(),t.fieldTitle&&Gg()}}function mS(e,t,n,i){const r=i.component.layoutSize.get("width"),s=i.component.layoutSize.get("height");if(t===void 0?(t={type:"pad"},i.hasAxisOrientSignalRef()&&(t.resize=!0)):F(t)&&(t={type:t}),r&&s&&Ch(t.type)){if(r==="step"&&s==="step")x(Ta()),t.type="pad";else if(r==="step"||s==="step"){const o=r==="step"?"width":"height";x(Ta(Ei(o)));const a=o==="width"?"height":"width";t.type=Nh(a)}}return{...b(t).length===1&&t.type?t.type==="pad"?{}:{autosize:t.type}:{autosize:t},...Cu(n,!1),...Cu(e,!0)}}function hS(e,t,n={},i){const r=e.config?Dm(e.config):void 0,s=[].concat(e.assembleSelectionData([]),gx(e.component.data,n)),o=e.assembleProjections(),a=e.assembleTitle(),c=e.assembleGroupStyle(),u=e.assembleGroupEncodeEntry(!0);let l=e.assembleLayoutSignals();l=l.filter(p=>(p.name==="width"||p.name==="height")&&p.value!==void 0?(t[p.name]=+p.value,!1):!0);const{params:f,...d}=t;return{$schema:"https://vega.github.io/schema/vega/v5.json",...e.description?{description:e.description}:{},...d,...a?{title:a}:{},...c?{style:c}:{},...u?{encode:{update:u}}:{},data:s,...o.length>0?{projections:o}:{},...e.assembleGroup([...l,...e.assembleSelectionTopLevelSignals([]),...nu(f)]),...r?{config:r}:{},...i?{usermeta:i}:{}}}const yS=Xf.version;export{fn as accessPathDepth,Rr as accessPathWithDatum,gS as compile,A as contains,Ie as deepEqual,yi as deleteNestedProperty,C as duplicate,mt as entries,Ar as every,zr as fieldIntersection,Qo as flatAccessWithDatum,V as getFirstDefined,Or as hasIntersection,O as hash,ea as internalField,Mn as isBoolean,R as isEmpty,Kf as isEqual,ta as isInternalField,Tr as isNullOrFalse,bi as isNumeric,b as keys,Dn as logicalExpr,Yo as mergeDeep,Xo as never,_u as normalize,Un as normalizeAngle,ue as omit,ln as pick,Pr as prefixGenerator,Ir as removePathFromField,zt as replaceAll,xe as replacePathInField,Zf as resetIdCounter,Ko as setEqual,Pt as some,M as stringify,jn as titleCase,Le as unique,Jo as uniqueId,ee as vals,W as varName,yS as version};export default null;