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Ln(n)&&Nm(n.scale?.range)&&e.add(n.scale.range.field),e}function Iv(e,t){for(const n of v(t)){const i=t[n];for(const r of v(i))n in e?e[n][r]=new Set([...e[n][r]??[],...i[r]]):e[n]={[r]:i[r]}}}class Ke extends K{clone(){return new Ke(null,new Set(this.dimensions),j(this.measures))}constructor(t,n,i){super(t),this.dimensions=n,this.measures=i}get groupBy(){return this.dimensions}static makeFromEncoding(t,n){let i=!1;n.forEachFieldDef(o=>{o.aggregate&&(i=!0)});const r={},s=new Set;return!i||(n.forEachFieldDef((o,a)=>{const{aggregate:c,field:l}=o;if(c)if(c==="count")r["*"]??(r["*"]={}),r["*"].count=new Set([w(o,{forAs:!0})]);else{if(Ot(c)||tn(c)){const u=Ot(c)?"argmin":"argmax",f=c[u];r[f]??(r[f]={}),r[f][u]=new Set([w({op:u,field:f},{forAs:!0})])}else r[l]??(r[l]={}),r[l][c]=new Set([w(o,{forAs:!0})]);zt(a)&&n.scaleDomain(a)==="unaggregated"&&(r[l]??(r[l]={}),r[l].min=new Set([w({field:l,aggregate:"min"},{forAs:!0})]),r[l].max=new Set([w({field:l,aggregate:"max"},{forAs:!0})]))}else 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o of v(this.measures[s]))for(const a of this.measures[s][o])i.push(a),t.push(o),n.push(s==="*"?null:Me(s));return{type:"aggregate",groupby:[...this.dimensions].map(Me),ops:t,fields:n,as:i}}}class xi extends K{constructor(t,n,i,r){super(t),this.model=n,this.name=i,this.data=r;for(const s of je){const o=n.facet[s];if(o){const{bin:a,sort:c}=o;this[s]={name:n.getName(`${s}_domain`),fields:[w(o),...te(a)?[w(o,{binSuffix:"end"})]:[]],...ft(c)?{sortField:c}:A(c)?{sortIndexField:li(o,s)}:{}}}}this.childModel=n.child}hash(){let t="Facet";for(const n of je)this[n]&&(t+=` ${n.charAt(0)}:${W(this[n])}`);return t}get fields(){const t=[];for(const n of je)this[n]?.fields&&t.push(...this[n].fields);return t}dependentFields(){const t=new Set(this.fields);for(const n of je)this[n]&&(this[n].sortField&&t.add(this[n].sortField.field),this[n].sortIndexField&&t.add(this[n].sortIndexField));return t}producedFields(){return new Set}getSource(){return this.name}getChildIndependentFieldsWithStep(){const t={};for(const n of St){const i=this.childModel.component.scales[n];if(i&&!i.merged){const r=i.get("type"),s=i.get("range");if(be(r)&&nn(s)){const o=ls(this.childModel,n),a=Ba(o);a?t[n]=a:S(Bo(n))}}}return t}assembleRowColumnHeaderData(t,n,i){const r={row:"y",column:"x",facet:void 0}[t],s=[],o=[],a=[];r&&i&&i[r]&&(n?(s.push(`distinct_${i[r]}`),o.push("max")):(s.push(i[r]),o.push("distinct")),a.push(`distinct_${i[r]}`));const{sortField:c,sortIndexField:l}=this[t];if(c){const{op:u=Xr,field:f}=c;s.push(f),o.push(u),a.push(w(c,{forAs:!0}))}else l&&(s.push(l),o.push("max"),a.push(l));return{name:this[t].name,source:n??this.data,transform:[{type:"aggregate",groupby:this[t].fields,...s.length?{fields:s,ops:o,as:a}:{}}]}}assembleFacetHeaderData(t){const{columns:n}=this.model.layout,{layoutHeaders:i}=this.model.component,r=[],s={};for(const c of Ia){for(const l of La){const u=(i[c]&&i[c][l])??[];for(const f of u)if(f.axes?.length>0){s[c]=!0;break}}if(s[c]){const 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t||(t[i.sort.field]="flatten"))}if((ae(e)||Je(e))&&e.forEachFieldDef((i,r)=>{if(Fe(i))n(i);else{const s=On(r),o=e.fieldDef(s);n({...i,type:o.type})}}),ae(e)){const{mark:i,markDef:r,encoding:s}=e;if(rn(i)&&!e.encoding.order){const o=r.orient==="horizontal"?"y":"x",a=s[o];E(a)&&a.type==="quantitative"&&!(a.field in t)&&(t[a.field]="number")}}return t}function Dv(e){const t={};if(ae(e)&&e.component.selection)for(const n of v(e.component.selection)){const i=e.component.selection[n];for(const r of i.project.items)!r.channel&&Qn(r.field)>1&&(t[r.field]="flatten")}return t}class we extends K{clone(){return new we(null,j(this._parse))}constructor(t,n){super(t),this._parse=n}hash(){return`Parse ${W(this._parse)}`}static makeExplicit(t,n,i){let r={};const s=n.data;return!Wt(s)&&s?.format?.parse&&(r=s.format.parse),this.makeWithAncestors(t,r,{},i)}static makeWithAncestors(t,n,i,r){for(const a of v(i)){const c=r.getWithExplicit(a);c.value!==void 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Set([Ze])}hash(){return"Identifier"}assemble(){return{type:"identifier",as:Ze}}}class er extends K{clone(){return new er(null,this.params)}constructor(t,n){super(t),this.params=n}dependentFields(){return new Set}producedFields(){}hash(){return`Graticule ${W(this.params)}`}assemble(){return{type:"graticule",...this.params===!0?{}:this.params}}}class tr extends K{clone(){return new tr(null,this.params)}constructor(t,n){super(t),this.params=n}dependentFields(){return new Set}producedFields(){return new Set([this.params.as??"data"])}hash(){return`Hash ${W(this.params)}`}assemble(){return{type:"sequence",...this.params}}}class _n extends K{constructor(t){super(null),t??(t={name:"source"});let n;if(Wt(t)||(n=t.format?{...ke(t.format,["parse"])}:{}),Di(t))this._data={values:t.values};else if(oi(t)){if(this._data={url:t.url},!n.type){let i=/(?:\.([^.]+))?$/.exec(t.url)[1];G(["json","csv","tsv","dsv","topojson"],i)||(i="json"),n.type=i}}else sd(t)?this._data={values:[{type:"Sphere"}]}:(id(t)||Wt(t))&&(this._data={});this._generator=Wt(t),t.name&&(this._name=t.name),n&&!J(n)&&(this._data.format=n)}dependentFields(){return new Set}producedFields(){}get data(){return this._data}hasName(){return!!this._name}get isGenerator(){return this._generator}get dataName(){return this._name}set dataName(t){this._name=t}set parent(t){throw new Error("Source nodes have to be roots.")}remove(){throw new Error("Source nodes are roots and cannot be removed.")}hash(){throw new Error("Cannot hash sources")}assemble(){return{name:this._name,...this._data,transform:[]}}}var rl=function(e,t,n,i,r){if(i==="m")throw new TypeError("Private method is not writable");if(i==="a"&&!r)throw new TypeError("Private accessor was defined without a setter");if(typeof t=="function"?e!==t||!r:!t.has(e))throw new TypeError("Cannot write private member to an object whose class did not declare it");return i==="a"?r.call(e,n):r?r.value=n:t.set(e,n),n},jv=function(e,t,n,i){if(n==="a"&&!i)throw new TypeError("Private accessor was defined without a getter");if(typeof t=="function"?e!==t||!i:!t.has(e))throw new TypeError("Cannot read private member from an object whose class did not declare it");return n==="m"?i:n==="a"?i.call(e):i?i.value:t.get(e)},Ti;function ja(e){return e instanceof _n||e instanceof er||e instanceof tr}class Ma{constructor(){Ti.set(this,void 0),rl(this,Ti,!1,"f")}setModified(){rl(this,Ti,!0,"f")}get modifiedFlag(){return jv(this,Ti,"f")}}Ti=new WeakMap;class Pn extends Ma{getNodeDepths(t,n,i){i.set(t,n);for(const r of t.children)this.getNodeDepths(r,n+1,i);return i}optimize(t){const i=[...this.getNodeDepths(t,0,new Map).entries()].sort((r,s)=>s[1]-r[1]);for(const r of i)this.run(r[0]);return this.modifiedFlag}}class Ua extends Ma{optimize(t){this.run(t);for(const n of t.children)this.optimize(n);return this.modifiedFlag}}class Mv extends Ua{mergeNodes(t,n){const i=n.shift();for(const r of n)t.removeChild(r),r.parent=i,r.remove()}run(t){const n=t.children.map(r=>r.hash()),i={};for(let r=0;r<n.length;r++)i[n[r]]===void 0?i[n[r]]=[t.children[r]]:i[n[r]].push(t.children[r]);for(const r of v(i))i[r].length>1&&(this.setModified(),this.mergeNodes(t,i[r]))}}class Uv extends Ua{constructor(t){super(),this.requiresSelectionId=t&&Ra(t)}run(t){t instanceof Yt&&(this.requiresSelectionId&&(ja(t.parent)||t.parent instanceof Ke||t.parent instanceof we)||(this.setModified(),t.remove()))}}class Bv extends Ma{optimize(t){return this.run(t,new Set),this.modifiedFlag}run(t,n){let i=new Set;t instanceof dt&&(i=t.producedFields(),ko(i,n)&&(this.setModified(),t.removeFormulas(n),t.producedFields.length===0&&t.remove()));for(const r of t.children)this.run(r,new Set([...n,...i]))}}class Wv extends Ua{constructor(){super()}run(t){t instanceof Ce&&!t.isRequired()&&(this.setModified(),t.remove())}}class Gv extends Pn{run(t){if(!ja(t)&&!(t.numChildren()>1)){for(const n of t.children)if(n instanceof we)if(t instanceof we)this.setModified(),t.merge(n);else{if(To(t.producedFields(),n.dependentFields()))continue;this.setModified(),n.swapWithParent()}}}}class qv extends Pn{run(t){const n=[...t.children],i=t.children.filter(r=>r instanceof we);if(t.numChildren()>1&&i.length>=1){const r={},s=new Set;for(const o of i){const a=o.parse;for(const c of v(a))c in r?r[c]!==a[c]&&s.add(c):r[c]=a[c]}for(const o of s)delete r[o];if(!J(r)){this.setModified();const o=new we(t,r);for(const a of n){if(a instanceof we)for(const c of v(r))delete a.parse[c];t.removeChild(a),a.parent=o,a instanceof we&&v(a.parse).length===0&&a.remove()}}}}}class Hv extends Pn{run(t){t instanceof Ce||t.numChildren()>0||t instanceof xi||t instanceof _n||(this.setModified(),t.remove())}}class Vv extends Pn{run(t){const n=t.children.filter(r=>r instanceof dt),i=n.pop();for(const r of n)this.setModified(),i.merge(r)}}class Xv extends Pn{run(t){const n=t.children.filter(r=>r instanceof Ke),i={};for(const r of n){const s=W(r.groupBy);s in i||(i[s]=[]),i[s].push(r)}for(const r of v(i)){const s=i[r];if(s.length>1){const o=s.pop();for(const a of s)o.merge(a)&&(t.removeChild(a),a.parent=o,a.remove(),this.setModified())}}}}class Yv extends Pn{constructor(t){super(),this.model=t}run(t){const n=!(ja(t)||t instanceof bi||t instanceof we||t instanceof Yt),i=[],r=[];for(const s of t.children)s instanceof pt&&(n&&!To(t.producedFields(),s.dependentFields())?i.push(s):r.push(s));if(i.length>0){const s=i.pop();for(const o of i)s.merge(o,this.model.renameSignal.bind(this.model));this.setModified(),t instanceof pt?t.merge(s,this.model.renameSignal.bind(this.model)):s.swapWithParent()}if(r.length>1){const s=r.pop();for(const o of r)s.merge(o,this.model.renameSignal.bind(this.model));this.setModified()}}}class Kv extends Pn{run(t){const n=[...t.children];if(!xn(n,o=>o instanceof Ce)||t.numChildren()<=1)return;const r=[];let s;for(const o of n)if(o instanceof Ce){let 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this.transform.joinaggregate)n.push(s.op),i.push(this.getDefaultName(s)),t.push(s.field===void 0?null:s.field);const r=this.transform.groupby;return{type:"joinaggregate",as:i,ops:n,fields:t,...r!==void 0?{groupby:r}:{}}}}function Jv(e){return e.stack.stackBy.reduce((t,n)=>{const i=n.fieldDef,r=w(i);return r&&t.push(r),t},[])}function Qv(e){return A(e)&&e.every(t=>z(t))&&e.length>1}class Tt extends K{clone(){return new Tt(null,j(this._stack))}constructor(t,n){super(t),this._stack=n}static makeFromTransform(t,n){const{stack:i,groupby:r,as:s,offset:o="zero"}=n,a=[],c=[];if(n.sort!==void 0)for(const f of n.sort)a.push(f.field),c.push(ue(f.order,"ascending"));const l={field:a,order:c};let u;return Qv(s)?u=s:z(s)?u=[s,`${s}_end`]:u=[`${n.stack}_start`,`${n.stack}_end`],new Tt(t,{dimensionFieldDefs:[],stackField:i,groupby:r,offset:o,sort:l,facetby:[],as:u})}static makeFromEncoding(t,n){const i=n.stack,{encoding:r}=n;if(!i)return null;const{groupbyChannels:s,fieldChannel:o,offset:a,impute:c}=i,l=s.map(p=>{const g=r[p];return ht(g)}).filter(p=>!!p),u=Jv(n),f=n.encoding.order;let d;if(A(f)||E(f))d=wu(f);else{const p=hf(f)?f.sort:o==="y"?"descending":"ascending";d=u.reduce((g,h)=>(g.field.push(h),g.order.push(p),g),{field:[],order:[]})}return new Tt(t,{dimensionFieldDefs:l,stackField:n.vgField(o),facetby:[],stackby:u,sort:d,offset:a,impute:c,as:[n.vgField(o,{suffix:"start",forAs:!0}),n.vgField(o,{suffix:"end",forAs:!0})]})}get stack(){return this._stack}addDimensions(t){this._stack.facetby.push(...t)}dependentFields(){const t=new Set;return t.add(this._stack.stackField),this.getGroupbyFields().forEach(t.add,t),this._stack.facetby.forEach(t.add,t),this._stack.sort.field.forEach(t.add,t),t}producedFields(){return new Set(this._stack.as)}hash(){return`Stack ${W(this._stack)}`}getGroupbyFields(){const{dimensionFieldDefs:t,impute:n,groupby:i}=this._stack;return 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fl?fl[t]({model:e,channel:a,fieldOrDatumDef:f,scaleType:p,scalePadding:g,scalePaddingInner:h,domain:c.domain,domainMin:c.domainMin,domainMax:c.domainMax,markDef:s,config:i,hasNestedOffsetScale:eo(r,a),hasSecondaryRangeChannel:!!r[vt(a)]}):i.scale[t];b!==void 0&&l.set(t,b,!1)}}}const fl={bins:({model:e,fieldOrDatumDef:t})=>E(t)?vS(e,t):void 0,interpolate:({channel:e,fieldOrDatumDef:t})=>SS(e,t.type),nice:({scaleType:e,channel:t,domain:n,domainMin:i,domainMax:r,fieldOrDatumDef:s})=>ES(e,t,n,i,r,s),padding:({channel:e,scaleType:t,fieldOrDatumDef:n,markDef:i,config:r})=>$S(e,t,r.scale,n,i,r.bar),paddingInner:({scalePadding:e,channel:t,markDef:n,scaleType:i,config:r,hasNestedOffsetScale:s})=>wS(e,t,n.type,i,r.scale,s),paddingOuter:({scalePadding:e,channel:t,scaleType:n,scalePaddingInner:i,config:r,hasNestedOffsetScale:s})=>CS(e,t,n,i,r.scale,s),reverse:({fieldOrDatumDef:e,scaleType:t,channel:n,config:i})=>{const r=E(e)?e.sort:void 0;return FS(t,r,n,i.scale)},zero:({channel:e,fieldOrDatumDef:t,domain:n,markDef:i,scaleType:r,config:s,hasSecondaryRangeChannel:o})=>NS(e,t,n,i,r,s.scale,o)};function op(e){ae(e)?fS(e):ap(e,"range")}function ap(e,t){const n=e.component.scales;for(const i of e.children)t==="range"?op(i):sp(i,t);for(const i of v(n)){let r;for(const s of e.children){const o=s.component.scales[i];if(o){const a=o.getWithExplicit(t);r=Ht(r,a,t,"scale",nd((c,l)=>{switch(t){case"range":return c.step&&l.step?c.step-l.step:0}return 0}))}}n[i].setWithExplicit(t,r)}}function vS(e,t){const n=t.bin;if(te(n)){const i=Da(e,t.field,n);return new Oe(()=>e.getSignalName(i))}else if(xe(n)&&An(n)&&n.step!==void 0)return{step:n.step}}function SS(e,t){if(G([Ae,bt,xt],e)&&t!=="nominal")return"hcl"}function ES(e,t,n,i,r,s){if(!(ht(s)?.bin||A(n)||r!=null||i!=null||G([Te.TIME,Te.UTC],e)))return ye(t)?!0:void 0}function $S(e,t,n,i,r,s){if(ye(e)){if(Xe(t)){if(n.continuousPadding!==void 0)return n.continuousPadding;const{type:o,orient:a}=r;if(o==="bar"&&!(E(i)&&(i.bin||i.timeUnit))&&(a==="vertical"&&e==="x"||a==="horizontal"&&e==="y"))return s.continuousBandSize}if(t===Te.POINT)return n.pointPadding}}function wS(e,t,n,i,r,s=!1){if(e===void 0){if(ye(t)){const{bandPaddingInner:o,barBandPaddingInner:a,rectBandPaddingInner:c,bandWithNestedOffsetPaddingInner:l}=r;return s?l:ue(o,n==="bar"?a:c)}else if(hi(t)&&i===Te.BAND)return r.offsetBandPaddingInner}}function CS(e,t,n,i,r,s=!1){if(e===void 0){if(ye(t)){const{bandPaddingOuter:o,bandWithNestedOffsetPaddingOuter:a}=r;if(s)return a;if(n===Te.BAND)return ue(o,I(i)?{signal:`${i.signal}/2`}:i/2)}else if(hi(t)){if(n===Te.POINT)return .5;if(n===Te.BAND)return r.offsetBandPaddingOuter}}}function FS(e,t,n,i){if(n==="x"&&i.xReverse!==void 0)return ze(e)&&t==="descending"?I(i.xReverse)?{signal:`!${i.xReverse.signal}`}:!i.xReverse:i.xReverse;if(ze(e)&&t==="descending")return!0}function NS(e,t,n,i,r,s,o){if(!!n&&n!=="unaggregated"&&ze(r)){if(A(n)){const c=n[0],l=n[n.length-1];if(c<=0&&l>=0)return!0}return!1}if(e==="size"&&t.type==="quantitative"&&!ni(r))return!0;if(!(E(t)&&t.bin)&&G([...St,...Ng],e)){const{orient:c,type:l}=i;return G(["bar","area","line","trail"],l)&&(c==="horizontal"&&e==="y"||c==="vertical"&&e==="x")?!1:G(["bar","area"],l)&&!o?!0:s?.zero}return!1}function _S(e,t,n,i,r=!1){const s=kS(t,n,i,r),{type:o}=e;return zt(t)?o!==void 0?Am(t,o)?E(n)&&!Om(o,n.type)?(S(Rh(o,s)),s):o:(S(Ah(t,o,s)),s):s:null}function kS(e,t,n,i){switch(t.type){case"nominal":case"ordinal":{if(Hn(e)||Fs(e)==="discrete")return e==="shape"&&t.type==="ordinal"&&S(Ns(e,"ordinal")),"ordinal";if(ye(e)||hi(e)){if(G(["rect","bar","image","rule"],n.type)||i)return"band"}else if(n.type==="arc"&&e in jo)return"band";const r=n[Ie(e)];return wn(r)||ri(t)&&t.axis?.tickBand?"band":"point"}case"temporal":return Hn(e)?"time":Fs(e)==="discrete"?(S(Ns(e,"temporal")),"ordinal"):E(t)&&t.timeUnit&&he(t.timeUnit).utc?"utc":"time";case"quantitative":return Hn(e)?E(t)&&te(t.bin)?"bin-ordinal":"linear":Fs(e)==="discrete"?(S(Ns(e,"quantitative")),"ordinal"):"linear";case"geojson":return}throw new Error(ku(t.type))}function TS(e,{ignoreRange:t}={}){cp(e),Qd(e);for(const n of Tm)sp(e,n);t||op(e)}function cp(e){ae(e)?e.component.scales=OS(e):e.component.scales=RS(e)}function OS(e){const{encoding:t,mark:n,markDef:i}=e,r={};for(const s of Mr){const o=fe(t[s]);if(o&&n===tf&&s===Re&&o.type===mi)continue;let a=o&&o.scale;if(hi(s)){const c=pu(s);if(!eo(t,c)){a&&S(bh(s));continue}}if(o&&a!==null&&a!==!1){a??(a={});const c=eo(t,s),l=_S(a,s,o,i,c);r[s]=new ep(e.scaleName(`${s}`,!0),{value:l,explicit:a.type===l})}}return r}const AS=nd((e,t)=>xc(e)-xc(t));function RS(e){var t;const n=e.component.scales={},i={},r=e.component.resolve;for(const s of e.children){cp(s);for(const o of v(s.component.scales))if((t=r.scale)[o]??(t[o]=jd(o,e)),r.scale[o]==="shared"){const a=i[o],c=s.component.scales[o].getWithExplicit("type");a?vm(a.value,c.value)?i[o]=Ht(a,c,"type","scale",AS):(r.scale[o]="independent",delete i[o]):i[o]=c}}for(const s of v(i)){const o=e.scaleName(s,!0),a=i[s];n[s]=new ep(o,a);for(const c of e.children){const l=c.component.scales[s];l&&(c.renameScale(l.get("name"),o),l.merged=!0)}}return n}class Ps{constructor(){this.nameMap={}}rename(t,n){this.nameMap[t]=n}has(t){return this.nameMap[t]!==void 0}get(t){for(;this.nameMap[t]&&t!==this.nameMap[t];)t=this.nameMap[t];return t}}function ae(e){return e?.type==="unit"}function Je(e){return e?.type==="facet"}function Wa(e){return e?.type==="concat"}function Si(e){return e?.type==="layer"}class Ga{constructor(t,n,i,r,s,o,a){this.type=n,this.parent=i,this.config=s,this.correctDataNames=c=>(c.from?.data&&(c.from.data=this.lookupDataSource(c.from.data)),c.from?.facet?.data&&(c.from.facet.data=this.lookupDataSource(c.from.facet.data)),c),this.parent=i,this.config=s,this.view=_e(a),this.name=t.name??r,this.title=Ut(t.title)?{text:t.title}:t.title?_e(t.title):void 0,this.scaleNameMap=i?i.scaleNameMap:new Ps,this.projectionNameMap=i?i.projectionNameMap:new Ps,this.signalNameMap=i?i.signalNameMap:new Ps,this.data=t.data,this.description=t.description,this.transforms=Mb(t.transform??[]),this.layout=n==="layer"||n==="unit"?{}:Xy(t,n,s),this.component={data:{sources:i?i.component.data.sources:[],outputNodes:i?i.component.data.outputNodes:{},outputNodeRefCounts:i?i.component.data.outputNodeRefCounts:{},isFaceted:Yr(t)||i?.component.data.isFaceted&&t.data===void 0},layoutSize:new jt,layoutHeaders:{row:{},column:{},facet:{}},mark:null,resolve:{scale:{},axis:{},legend:{},...o?j(o):{}},selection:null,scales:null,projection:null,axes:{},legends:{}}}get width(){return this.getSizeSignalRef("width")}get height(){return this.getSizeSignalRef("height")}parse(){this.parseScale(),this.parseLayoutSize(),this.renameTopLevelLayoutSizeSignal(),this.parseSelections(),this.parseProjection(),this.parseData(),this.parseAxesAndHeaders(),this.parseLegends(),this.parseMarkGroup()}parseScale(){TS(this)}parseProjection(){Yd(this)}renameTopLevelLayoutSizeSignal(){this.getName("width")!=="width"&&this.renameSignal(this.getName("width"),"width"),this.getName("height")!=="height"&&this.renameSignal(this.getName("height"),"height")}parseLegends(){Gd(this)}assembleEncodeFromView(t){const{style:n,...i}=t,r={};for(const s of v(i)){const o=i[s];o!==void 0&&(r[s]=re(o))}return r}assembleGroupEncodeEntry(t){let n={};return this.view&&(n=this.assembleEncodeFromView(this.view)),!t&&(this.description&&(n.description=re(this.description)),this.type==="unit"||this.type==="layer")?{width:this.getSizeSignalRef("width"),height:this.getSizeSignalRef("height"),...n??{}}:J(n)?void 0:n}assembleLayout(){if(!this.layout)return;const{spacing:t,...n}=this.layout,{component:i,config:r}=this,s=ev(i.layoutHeaders,r);return{padding:t,...this.assembleDefaultLayout(),...n,...s?{titleBand:s}:{}}}assembleDefaultLayout(){return{}}assembleHeaderMarks(){const{layoutHeaders:t}=this.component;let n=[];for(const i of je)t[i].title&&n.push(Xx(this,i));for(const i of Ia)n=n.concat(Yx(this,i));return n}assembleAxes(){return Lx(this.component.axes,this.config)}assembleLegends(){return Hd(this)}assembleProjections(){return $v(this)}assembleTitle(){const{encoding:t,...n}=this.title??{},i={...vu(this.config.title).nonMarkTitleProperties,...n,...t?{encode:{update:t}}:{}};if(i.text)return G(["unit","layer"],this.type)?G(["middle",void 0],i.anchor)&&(i.frame??(i.frame="group")):i.anchor??(i.anchor="start"),J(i)?void 0:i}assembleGroup(t=[]){const n={};t=t.concat(this.assembleSignals()),t.length>0&&(n.signals=t);const i=this.assembleLayout();i&&(n.layout=i),n.marks=[].concat(this.assembleHeaderMarks(),this.assembleMarks());const r=!this.parent||Je(this.parent)?Zd(this):[];r.length>0&&(n.scales=r);const s=this.assembleAxes();s.length>0&&(n.axes=s);const o=this.assembleLegends();return o.length>0&&(n.legends=o),n}getName(t){return se((this.name?`${this.name}_`:"")+t)}getDataName(t){return this.getName(Z[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(Je(this.parent)){const n=zd(t),i=jr(n),r=this.component.scales[i];if(r&&!r.merged){const s=r.get("type"),o=r.get("range");if(be(s)&&nn(o)){const a=r.get("name"),c=ls(this,i),l=Ba(c);if(l){const u=w({aggregate:"distinct",field:l},{expr:"datum"});return{signal:Pd(a,r,u)}}else return S(Bo(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){if(n)return this.getName(t);if(uu(t)&&zt(t)&&this.component.scales[t]||this.scaleNameMap.has(this.getName(t)))return this.scaleNameMap.get(this.getName(t))}projectionName(t){if(t)return this.getName("projection");if(this.component.projection&&!this.component.projection.merged||this.projectionNameMap.has(this.getName("projection")))return this.projectionNameMap.get(this.getName("projection"))}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(Kg(n));return i}hasAxisOrientSignalRef(){return this.component.axes.x?.some(t=>t.hasOrientSignalRef())||this.component.axes.y?.some(t=>t.hasOrientSignalRef())}}class lp extends Ga{vgField(t,n={}){const i=this.fieldDef(t);if(i)return w(i,n)}reduceFieldDef(t,n){return $y(this.getMapping(),(i,r,s)=>{const o=ht(r);return o?t(i,o,s):i},n)}forEachFieldDef(t,n){ma(this.getMapping(),(i,r)=>{const s=ht(i);s&&t(s,r)},n)}}class us extends K{clone(){return new us(null,j(this.transform))}constructor(t,n){super(t),this.transform=n,this.transform=j(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 ${W(this.transform)}`}assemble(){const{density:t,...n}=this.transform;return{type:"kde",field:t,...n}}}class fs extends K{clone(){return new fs(null,j(this.transform))}constructor(t,n){super(t),this.transform=n,this.transform=j(n)}dependentFields(){return new Set([this.transform.extent])}producedFields(){return new Set([])}hash(){return`ExtentTransform ${W(this.transform)}`}assemble(){const{extent:t,param:n}=this.transform;return{type:"extent",field:t,signal:n}}}class ji extends K{clone(){return new ji(null,{...this.filter})}constructor(t,n){super(t),this.filter=n}static make(t,n){const{config:i,mark:r,markDef:s}=n;if(X("invalid",s,i)!=="filter")return null;const a=n.reduceFieldDef((c,l,u)=>{const f=zt(u)&&n.getScaleComponent(u);if(f){const d=f.get("type");ze(d)&&l.aggregate!=="count"&&!rn(r)&&(c[l.field]=l)}return c},{});return v(a).length?new ji(t,a):null}dependentFields(){return new Set(v(this.filter))}producedFields(){return new Set}hash(){return`FilterInvalid ${W(this.filter)}`}assemble(){const t=v(this.filter).reduce((n,i)=>{const r=this.filter[i],s=w(r,{expr:"datum"});return r!==null&&(r.type==="temporal"?n.push(`(isDate(${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 ds extends K{clone(){return new ds(this.parent,j(this.transform))}constructor(t,n){super(t),this.transform=n,this.transform=j(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 ${W(this.transform)}`}assemble(){const{flatten:t,as:n}=this.transform;return{type:"flatten",fields:t,as:n}}}class ps extends K{clone(){return new ps(null,j(this.transform))}constructor(t,n){super(t),this.transform=n,this.transform=j(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 ${W(this.transform)}`}assemble(){const{fold:t,as:n}=this.transform;return{type:"fold",fields:t,as:n}}}class Yn extends K{clone(){return new Yn(null,j(this.fields),this.geojson,this.signal)}static parseAll(t,n){if(n.component.projection&&!n.component.projection.isFit)return t;let i=0;for(const r of[[it,nt],[Ue,rt]]){const s=r.map(o=>{const a=fe(n.encoding[o]);return E(a)?a.field:Et(a)?{expr:`${a.datum}`}:Qe(a)?{expr:`${a.value}`}:void 0});(s[0]||s[1])&&(t=new Yn(t,s,null,n.getName(`geojson_${i++}`)))}if(n.channelHasField(Re)){const r=n.typedFieldDef(Re);r.type===mi&&(t=new Yn(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(z);return new Set([...this.geojson?[this.geojson]:[],...t])}producedFields(){return new Set}hash(){return`GeoJSON ${this.geojson} ${this.signal} ${W(this.fields)}`}assemble(){return[...this.geojson?[{type:"filter",expr:`isValid(datum["${this.geojson}"])`}]:[],{type:"geojson",...this.fields?{fields:this.fields}:{},...this.geojson?{geojson:this.geojson}:{},signal:this.signal}]}}class Mi extends K{clone(){return new Mi(null,this.projection,j(this.fields),j(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[[it,nt],[Ue,rt]]){const r=i.map(o=>{const a=fe(n.encoding[o]);return E(a)?a.field:Et(a)?{expr:`${a.datum}`}:Qe(a)?{expr:`${a.value}`}:void 0}),s=i[0]===Ue?"2":"";(r[0]||r[1])&&(t=new Mi(t,n.projectionName(),r,[n.getName(`x${s}`),n.getName(`y${s}`)]))}return t}dependentFields(){return new Set(this.fields.filter(z))}producedFields(){return new Set(this.as)}hash(){return`Geopoint ${this.projection} ${W(this.fields)} ${W(this.as)}`}assemble(){return{type:"geopoint",projection:this.projection,fields:this.fields,as:this.as}}}class bn extends K{clone(){return new bn(null,j(this.transform))}constructor(t,n){super(t),this.transform=n}dependentFields(){return new Set([this.transform.impute,this.transform.key,...this.transform.groupby??[]])}producedFields(){return new Set([this.transform.impute])}processSequence(t){const{start:n=0,stop:i,step:r}=t;return{signal:`sequence(${[n,i,...r?[r]:[]].join(",")})`}}static makeFromTransform(t,n){return new bn(t,n)}static makeFromEncoding(t,n){const i=n.encoding,r=i.x,s=i.y;if(E(r)&&E(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:l,frame:u,keyvals:f}=o.impute,d=_f(n.mark,i);return new bn(t,{impute:o.field,key:a.field,...c?{method:c}:{},...l!==void 0?{value:l}:{},...u?{frame:u}:{},...f!==void 0?{keyvals:f}:{},...d.length?{groupby:d}:{}})}return null}hash(){return`Impute ${W(this.transform)}`}assemble(){const{impute:t,key:n,keyvals:i,method:r,groupby:s,value:o,frame:a=[null,null]}=this.transform,c={type:"impute",field:t,key:n,...i?{keyvals:Sb(i)?this.processSequence(i):i}:{},method:"value",...s?{groupby:s}:{},value:!r||r==="value"?o:null};if(r&&r!=="value"){const l={type:"window",as:[`imputed_${t}_value`],ops:[r],fields:[t],frame:a,ignorePeers:!1,...s?{groupby:s}:{}},u={type:"formula",expr:`datum.${t} === null ? datum.imputed_${t}_value : datum.${t}`,as:t};return[c,l,u]}else return[c]}}class gs extends K{clone(){return new gs(null,j(this.transform))}constructor(t,n){super(t),this.transform=n,this.transform=j(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 ${W(this.transform)}`}assemble(){const{loess:t,on:n,...i}=this.transform;return{type:"loess",x:n,y:t,...i}}}class Ui extends K{clone(){return new Ui(null,j(this.transform),this.secondary)}constructor(t,n,i){super(t),this.transform=n,this.secondary=i}static make(t,n,i,r){const s=n.component.data.sources,{from:o}=i;let a=null;if(Eb(o)){let c=dp(o.data,s);c||(c=new _n(o.data),s.push(c));const l=n.getName(`lookup_${r}`);a=new Ce(c,l,Z.Lookup,n.component.data.outputNodeRefCounts),n.component.data.outputNodes[l]=a}else if($b(o)){const c=o.param;i={as:c,...i};let l;try{l=n.getSelectionComponent(se(c),c)}catch{throw new Error(Zg(c))}if(a=l.materialized,!a)throw new Error(eh(c))}return new Ui(t,i,a.getSource())}dependentFields(){return new Set([this.transform.lookup])}producedFields(){return new Set(this.transform.as?ce(this.transform.as):this.transform.from.fields)}hash(){return`Lookup ${W({transform:this.transform,secondary:this.secondary})}`}assemble(){let t;if(this.transform.from.fields)t={values:this.transform.from.fields,...this.transform.as?{as:ce(this.transform.as)}:{}};else{let n=this.transform.as;z(n)||(S(ch),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 hs extends K{clone(){return new hs(null,j(this.transform))}constructor(t,n){super(t),this.transform=n,this.transform=j(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 ${W(this.transform)}`}assemble(){const{quantile:t,...n}=this.transform;return{type:"quantile",field:t,...n}}}class ms extends K{clone(){return new ms(null,j(this.transform))}constructor(t,n){super(t),this.transform=n,this.transform=j(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 ${W(this.transform)}`}assemble(){const{regression:t,on:n,...i}=this.transform;return{type:"regression",x:n,y:t,...i}}}class ys extends K{clone(){return new ys(null,j(this.transform))}constructor(t,n){super(t),this.transform=n}addDimensions(t){this.transform.groupby=ut((this.transform.groupby??[]).concat(t),n=>n)}producedFields(){}dependentFields(){return new 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this.children.reduce((n,i)=>i.assembleSelectionTopLevelSignals(n),t)}assembleSignals(){return this.children.forEach(t=>t.assembleSignals()),[]}assembleLayoutSignals(){const t=Pa(this);for(const n of this.children)t.push(...n.assembleLayoutSignals());return t}assembleSelectionData(t){return this.children.reduce((n,i)=>i.assembleSelectionData(n),t)}assembleMarks(){return this.children.map(t=>{const n=t.assembleTitle(),i=t.assembleGroupStyle(),r=t.assembleGroupEncodeEntry(!1);return{type:"group",name:t.getName("group"),...n?{title:n}:{},...i?{style:i}:{},...r?{encode:{update:r}}:{},...t.assembleGroup()}})}assembleGroupStyle(){}assembleDefaultLayout(){const t=this.layout.columns;return{...t!=null?{columns:t}:{},bounds:"full",align:"each"}}}function VS(e){return e===!1||e===null}const XS={disable:1,gridScale:1,scale:1,...wf,labelExpr:1,encode:1},pp=v(XS);class Ha extends jt{constructor(t={},n={},i=!1){super(),this.explicit=t,this.implicit=n,this.mainExtracted=i}clone(){return new Ha(j(this.explicit),j(this.implicit),this.mainExtracted)}hasAxisPart(t){return t==="axis"?!0:t==="grid"||t==="title"?!!this.get(t):!VS(this.get(t))}hasOrientSignalRef(){return I(this.explicit.orient)}}function YS(e,t,n){const{encoding:i,config:r}=e,s=fe(i[t])??fe(i[vt(t)]),o=e.axis(t)||{},{format:a,formatType:c}=o;if(Cn(c))return{text:Ye({fieldOrDatumDef:s,field:"datum.value",format:a,formatType:c,config:r}),...n};if(a===void 0&&c===void 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l=c.sort;if(A(l))return{field:w(c,{prefix:a,suffix:"sort_index",expr:"datum"})};if(ft(l))return{field:w({aggregate:ha(e.encoding)?l.op:void 0,field:l.field},{expr:"datum"})};if(uf(l)){const u=e.fieldDef(l.encoding);return{field:w(u,{expr:"datum"}),order:l.order}}else return l===null?void 0:{field:w(c,{binSuffix:e.stack?.impute?"mid":void 0,expr:"datum"})}}return}}}function Xa(e,t={fromPrefix:""}){const{mark:n,markDef:i,encoding:r,config:s}=e,o=ue(i.clip,AE(e),RE(e)),a=Eu(i),c=r.key,l=OE(e),u=IE(e),f=X("aria",i,s),d=ar[n].postEncodingTransform?ar[n].postEncodingTransform(e):null;return[{name:e.getName("marks"),type:ar[n].vgMark,...o?{clip:!0}:{},...a?{style:a}:{},...c?{key:c.field}:{},...l?{sort:l}:{},...u||{},...f===!1?{aria:f}:{},from:{data:t.fromPrefix+e.requestDataName(Z.Main)},encode:{update:ar[n].encodeEntry(e)},...d?{transform:d}:{}}]}function AE(e){const t=e.getScaleComponent("x"),n=e.getScaleComponent("y");return t?.get("selectionExtent")||n?.get("selectionExtent")?!0:void 0}function RE(e){const t=e.component.projection;return t&&!t.isFit?!0:void 0}function IE(e){if(!e.component.selection)return null;const t=v(e.component.selection).length;let n=t,i=e.parent;for(;i&&n===0;)n=v(i.component.selection).length,i=i.parent;return n?{interactive:t>0||e.mark==="geoshape"||!!e.encoding.tooltip}:null}class gp extends lp{constructor(t,n,i,r={},s){super(t,"unit",n,i,s,void 0,_c(t)?t.view:void 0),this.specifiedScales={},this.specifiedAxes={},this.specifiedLegends={},this.specifiedProjection={},this.selection=[],this.children=[];const o=gt(t.mark)?{...t.mark}:{type:t.mark},a=o.type;o.filled===void 0&&(o.filled=cE(o,s,{graticule:t.data&&_a(t.data)}));const c=this.encoding=Sy(t.encoding||{},a,o.filled,s);this.markDef=sE(o,c,s),this.size=rE({encoding:c,size:_c(t)?{...r,...t.width?{width:t.width}:{},...t.height?{height:t.height}:{}}:r}),this.stack=Xf(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(l=>$a(l))}get hasProjection(){const{encoding:t}=this,n=this.mark===tf,i=t&&xg.some(r=>M(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 Mr.reduce((i,r)=>{const s=fe(n[r]);return s&&(i[r]=this.initScale(s.scale??{})),i},{})}initScale(t){const{domain:n,range:i}=t,r=_e(t);return A(n)&&(r.domain=n.map(Pe)),A(i)&&(r.range=i.map(Pe)),r}initAxes(t){return St.reduce((n,i)=>{const r=t[i];if(M(r)||i===oe&&M(t.x2)||i===me&&M(t.y2)){const s=M(r)?r.axis:void 0;n[i]=s&&this.initAxis({...s})}return n},{})}initAxis(t){const n=v(t),i={};for(const r of n){const s=t[r];i[r]=Qi(s)?Su(s):Pe(s)}return i}initLegends(t){return _g.reduce((n,i)=>{const r=fe(t[i]);if(r&&Tg(i)){const s=r.legend;n[i]=s&&_e(s)}return n},{})}parseData(){this.component.data=xs(this)}parseLayoutSize(){US(this)}parseSelections(){this.component.selection=Ax(this,this.selection)}parseMarkGroup(){this.component.mark=_E(this)}parseAxesAndHeaders(){this.component.axes=KS(this)}assembleSelectionTopLevelSignals(t){return ex(this,t)}assembleSignals(){return[...kd(this),...Qb(this,[])]}assembleSelectionData(t){return tx(this,t)}assembleLayout(){return null}assembleLayoutSignals(){return Pa(this)}assembleMarks(){let t=this.component.mark??[];return(!this.parent||!Si(this.parent))&&(t=ad(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 mn(this.encoding,t)}fieldDef(t){const n=this.encoding[t];return ht(n)}typedFieldDef(t){const n=this.fieldDef(t);return Fe(n)?n:null}}class Ya extends Ga{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(is(a))return new Ya(a,this,this.getName(`layer_${c}`),o,s);if(Dt(a))return new gp(a,this,this.getName(`layer_${c}`),o,s);throw new Error(Uo(a))})}parseData(){this.component.data=xs(this);for(const t of this.children)t.parseData()}parseLayoutSize(){jS(this)}parseSelections(){this.component.selection={};for(const t of this.children){t.parseSelections();for(const n of v(t.component.selection))this.component.selection[n]=t.component.selection[n]}}parseMarkGroup(){for(const t of this.children)t.parseMarkGroup()}parseAxesAndHeaders(){QS(this)}assembleSelectionTopLevelSignals(t){return 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