lightweight-charts/dist/lightweight-charts.standalone.production.mjs

Performant financial charts built with HTML5 canvas

/*!
 * @license
 * TradingView Lightweight Charts™ v5.2.1
 * Copyright (c) 2026 TradingView, Inc.
 * Licensed under Apache License 2.0 https://www.apache.org/licenses/LICENSE-2.0
 */
const t={title:"",visible:!0,hitTestTolerance:3,lastValueVisible:!0,priceLineVisible:!0,priceLineSource:0,priceLineWidth:1,priceLineColor:"",priceLineStyle:2,baseLineVisible:!0,baseLineWidth:1,baseLineColor:"#B2B5BE",baseLineStyle:0,priceFormat:{type:"price",precision:2,minMove:.01}};var i,n;function s(t,i){const n=function(t,i){switch(t){case 0:default:return[];case 1:return[i,i];case 2:return[2*i,2*i];case 3:return[6*i,6*i];case 4:return[i,4*i]}}(i,t.lineWidth);return t.setLineDash(n),n}function e(t,i,n,s){t.beginPath();const e=t.lineWidth%2?.5:0;t.moveTo(n,i+e),t.lineTo(s,i+e),t.stroke()}function r(t,i){if(!t)throw new Error("Assertion failed"+(i?": "+i:""))}function h(t){if(void 0===t)throw new Error("Value is undefined");return t}function a(t){if(null===t)throw new Error("Value is null");return t}function l(t){return 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i>=n-s-7&&i<=n+s+7?{ie:this.qt,ne:Math.abs(i-n),se:2,ee:"price-line",te:e}:null}et({context:t,bitmapSize:i,horizontalPixelRatio:n,verticalPixelRatio:r}){if(null===this.qt)return;if(!1===this.qt.It)return;const h=Math.round(this.qt.ut*r);h<0||h>i.height||(t.lineCap="butt",t.strokeStyle=this.qt.R,t.lineWidth=Math.floor(this.qt.ct*n),s(t,this.qt.Gt),e(t,h,0,i.width))}}class rt{constructor(t){this.re={ut:0,R:"rgba(0, 0, 0, 0)",ct:1,Gt:0,It:!1},this.he=new et,this.xt=!0,this.ae=t,this.le=t.Qt(),this.he.ht(this.re)}Pt(){this.xt=!0}Tt(){return this.ae.It()?(this.xt&&(this.oe(),this.xt=!1),this.he):null}}class ht extends rt{constructor(t){super(t)}oe(){this.re.It=!1;const t=this.ae.Ft(),i=t._e()._e;if(2!==i&&3!==i)return;const n=this.ae.N();if(!n.baseLineVisible||!this.ae.It())return;const s=this.ae.zt();null!==s&&(this.re.It=!0,this.re.ut=t.Nt(s.Wt,s.Wt),this.re.R=n.baseLineColor,this.re.ct=n.baseLineWidth,this.re.Gt=n.baseLineStyle)}}class at extends y{constructor(){super(...arguments),this.qt=null}ht(t){this.qt=t}ue(){return this.qt}et({context:t,horizontalPixelRatio:i,verticalPixelRatio:n}){const s=this.qt;if(null===s)return;const e=Math.max(1,Math.floor(i)),r=e%2/2,h=Math.round(s.ce.x*i)+r,a=s.ce.y*n;t.fillStyle=s.de,t.beginPath();const l=Math.max(2,1.5*s.fe)*i;t.arc(h,a,l,0,2*Math.PI,!1),t.fill(),t.fillStyle=s.pe,t.beginPath(),t.arc(h,a,s.ft*i,0,2*Math.PI,!1),t.fill(),t.lineWidth=e,t.strokeStyle=s.ve,t.beginPath(),t.arc(h,a,s.ft*i+e/2,0,2*Math.PI,!1),t.stroke()}}const lt=[{me:0,we:.25,ge:4,Me:10,be:.25,Se:0,xe:.4,Ce:.8},{me:.25,we:.525,ge:10,Me:14,be:0,Se:0,xe:.8,Ce:0},{me:.525,we:1,ge:14,Me:14,be:0,Se:0,xe:0,Ce:0}];class ot{constructor(t){this.Xt=new at,this.xt=!0,this.ye=!0,this.Pe=performance.now(),this.ke=this.Pe-1,this.Te=t}Re(){this.ke=this.Pe-1,this.Pt()}De(){if(this.Pt(),2===this.Te.N().lastPriceAnimation){const t=performance.now(),i=this.ke-t;if(i>0)return void(i<650&&(this.ke+=2600));this.Pe=t,this.ke=t+2600}}Pt(){this.xt=!0}Ie(){this.ye=!0}It(){return 0!==this.Te.N().lastPriceAnimation}Ve(){switch(this.Te.N().lastPriceAnimation){case 0:return!1;case 1:return!0;case 2:return performance.now()<=this.ke}}Tt(){return this.xt?(this.Rt(),this.xt=!1,this.ye=!1):this.ye&&(this.Ee(),this.ye=!1),this.Xt}Rt(){this.Xt.ht(null);const t=this.Te.Qt().Bt(),i=t.Be(),n=this.Te.zt();if(null===i||null===n)return;const s=this.Te.Ae(!0);if(s.ze||!i.Le(s.$n))return;const e={x:t.jt(s.$n),y:this.Te.Ft().Nt(s.gt,n.Wt)},r=s.R,h=this.Te.N().lineWidth,a=this.Oe(this.Ne(),r);this.Xt.ht({de:r,fe:h,pe:a.pe,ve:a.ve,ft:a.ft,ce:e})}Ee(){const t=this.Xt.ue();if(null!==t){const i=this.Oe(this.Ne(),t.de);t.pe=i.pe,t.ve=i.ve,t.ft=i.ft}}Ne(){return this.Ve()?performance.now()-this.Pe:2599}Fe(t,i,n,s){const e=n+(s-n)*i;return this.Te.Qt().Xi().Y(t,e)}Oe(t,i){const n=t%2600/2600;let s;for(const t of lt)if(n>=t.me&&n<=t.we){s=t;break}r(void 0!==s,"Last price animation internal 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i?n?this.Jt.Ft().je()?t.Ye:t.qe:t.ri:""}}function ct(t,i,n,s){const e=Number.isFinite(i),r=Number.isFinite(n);return e&&r?t(i,n):e||r?e?i:n:s}class dt{constructor(t,i){this.Ke=t,this.Ge=i}Ze(t){return null!==t&&(this.Ke===t.Ke&&this.Ge===t.Ge)}Xe(){return new dt(this.Ke,this.Ge)}Je(){return this.Ke}Qe(){return this.Ge}tr(){return this.Ge-this.Ke}Zi(){return this.Ge===this.Ke||Number.isNaN(this.Ge)||Number.isNaN(this.Ke)}Ss(t){return null===t?this:new dt(ct(Math.min,this.Je(),t.Je(),-1/0),ct(Math.max,this.Qe(),t.Qe(),1/0))}ir(t){if(!u(t))return;if(0===this.Ge-this.Ke)return;const i=.5*(this.Ge+this.Ke);let n=this.Ge-i,s=this.Ke-i;n*=t,s*=t,this.Ge=i+n,this.Ke=i+s}nr(t){u(t)&&(this.Ge+=t,this.Ke+=t)}sr(){return{minValue:this.Ke,maxValue:this.Ge}}static er(t){return null===t?null:new dt(t.minValue,t.maxValue)}}class ft{constructor(t,i){this.rr=t,this.hr=i||null}ar(){return this.rr}lr(){return this.hr}sr(){return{priceRange:null===this.rr?null:this.rr.sr(),margins:this.hr||void 0}}static er(t){return null===t?null:new ft(dt.er(t.priceRange),t.margins)}}const pt=[2,4,8,16,32,64,128,256,512],vt="Custom series with conflation reducer must have a priceValueBuilder method";class mt extends rt{constructor(t,i){super(t),this._r=i}oe(){const t=this.re;t.It=!1;const i=this._r.N();if(!this.ae.It()||!i.lineVisible)return;const n=this._r.ur();null!==n&&(t.It=!0,t.ut=n,t.R=i.color,t.ct=i.lineWidth,t.Gt=i.lineStyle,t.te=this._r.N().id)}}class wt extends O{constructor(t,i){super(),this.Te=t,this._r=i}Yi(t,i,n){t.It=!1,i.It=!1;const s=this._r.N(),e=s.axisLabelVisible,r=""!==s.title,h=this.Te;if(!e||!h.It())return;const a=this._r.ur();if(null===a)return;r&&(i.ri=s.title,i.It=!0),i.Ht=h.Qt().Ut(a/h.Ft().$t()),t.ri=this.cr(s.price),t.It=!0;const l=this.Te.Qt().Xi().G(s.axisLabelColor||s.color);n.Z=l.Z;const o=s.axisLabelTextColor||l.X;t.R=o,i.R=o,n.Bi=a}cr(t){const i=this.Te.zt();return null===i?"":this.Te.Ft().Ji(t,i.Wt)}}class gt{constructor(t,i){this.Te=t,this.yn=i,this.dr=new 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i=t[0],n=t[t.length-1];return 31*t.length+17*i.$n+13*n.$n}Tr(t,i,n,s=!1,e,r=new Map){if(2===i)return this.Vr(t,2,n,s,e);const h=i/2;let a=r.get(h);return a||(a=this.Tr(t,h,n,s,e,r),r.set(h,a)),this.Er(a,n,s,e)}Vr(t,i,n,s=!1,e){const r=this.Br(t,i,n,s,e);return this.Ar(r,s)}Er(t,i,n=!1,s){const e=this.Br(t,2,i,n,s);return this.Ar(e,n)}Br(t,i,n,s=!1,e){const r=[];for(let h=0;h<t.length;h+=i){if(t.length-h>=i){const i=this.zr(t[h],t[h+1],n,s,e);i.Lr=!1,r.push(i)}else if(0===r.length)r.push(this.Or(t[h],!0));else{const i=r[r.length-1];r[r.length-1]=this.Nr(i,t[h],n,s,e)}}return r}Fr(t,i){return(t??1)+(i??1)}zr(t,i,n,s=!1,e){if(!s||!n||!e){const n=t.Wt[1]>i.Wt[1]?t.Wt[1]:i.Wt[1],s=t.Wt[2]<i.Wt[2]?t.Wt[2]:i.Wt[2];return{Wr:t.$n,Hr:i.$n,Ur:t.wt,$r:i.wt,jr:t.Wt[0],qr:n,Yr:s,Kr:i.Wt[3],Gr:this.Fr(t.Gr,i.Gr),Zr:void 0,Lr:!1}}const 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n=!0===i,s=!!t.Zr;return{...{$n:t.Wr,wt:t.Ur,Qr:t.Ur,Wt:[n?t.Kr:t.jr,t.qr,t.Yr,t.Kr],Gr:t.Gr},ue:n?s?t.Zr:{wt:t.Ur}:void 0}}Ar(t,i=!1){return t.map((t=>this.th(t,i)))}Dr(t,i,n,s,e=!1,r,h){if(0===s.length)return s;const a=t.length-1,l=Math.floor(a/n)*n;if(Math.min(l+n,t.length)-l<n&&t.length>n){const s=t.slice();return s[s.length-1]=i,this.Cr(s,n,r,e,h)}if(Math.floor((a-1)/n)===Math.floor(a/n)||1===s.length){const o=Math.min(l+n,t.length),_=o-l;if(_<=0)return s;const u=1===_?this.Or(l===a?i:t[l],!0):this.Jr(t,l,o,a,i,r,e,h);return s[s.length-1]=this.th(u,e),s}{const s=t.slice();return s[s.length-1]=i,this.Cr(s,n,r,e,h)}}Or(t,i=!1){return{Wr:t.$n,Hr:t.$n,Ur:t.wt,$r:t.wt,jr:t.Wt[0],qr:t.Wt[1],Yr:t.Wt[2],Kr:t.Wt[3],Gr:t.Gr??1,Zr:t.ue,Lr:i}}Pr(t){const i=this.ih(t),n=this.Ir(t);return i.nh!==n&&(i.kr.clear(),i.nh=n),i}ih(t){let i=this.br.get(t);return void 0===i&&(i={nh:this.Ir(t),kr:new Map},this.br.set(t,i)),i}}class bt extends U{constructor(t){super(),this.sn=t}Qt(){return this.sn}}const St={Bar:(t,i,n,s)=>{const e=i.upColor,r=i.downColor,h=a(t(n,s)),o=l(h.Wt[0])<=l(h.Wt[3]);return{sh:h.R??(o?e:r)}},Candlestick:(t,i,n,s)=>{const e=i.upColor,r=i.downColor,h=i.borderUpColor,o=i.borderDownColor,_=i.wickUpColor,u=i.wickDownColor,c=a(t(n,s)),d=l(c.Wt[0])<=l(c.Wt[3]);return{sh:c.R??(d?e:r),eh:c.Ht??(d?h:o),rh:c.hh??(d?_:u)}},Custom:(t,i,n,s)=>({sh:a(t(n,s)).R??i.color}),Area:(t,i,n,s)=>{const e=a(t(n,s));return{sh:e.vt??i.lineColor,vt:e.vt??i.lineColor,ah:e.ah??i.topColor,oh:e.oh??i.bottomColor}},Baseline:(t,i,n,s)=>{const e=a(t(n,s));return{sh:e.Wt[3]>=i.baseValue.price?i.topLineColor:i.bottomLineColor,_h:e._h??i.topLineColor,uh:e.uh??i.bottomLineColor,dh:e.dh??i.topFillColor1,fh:e.fh??i.topFillColor2,ph:e.ph??i.bottomFillColor1,mh:e.mh??i.bottomFillColor2}},Line:(t,i,n,s)=>{const e=a(t(n,s));return{sh:e.R??i.color,vt:e.R??i.color}},Histogram:(t,i,n,s)=>({sh:a(t(n,s)).R??i.color})};class xt{constructor(t){this.wh=(t,i)=>void 0!==i?i.Wt:this.Te.Un().gh(t),this.Te=t,this.Mh=St[t.bh()]}Sh(t,i){return this.Mh(this.wh,this.Te.N(),t,i)}}function Ct(t,i,n,s,e=0,r=i.length){let h=r-e;for(;0<h;){const r=h>>1,a=e+r;s(i[a],n)===t?(e=a+1,h-=r+1):h=r}return e}const yt=Ct.bind(null,!0),Pt=Ct.bind(null,!1);var kt;!function(t){t[t.NearestLeft=-1]="NearestLeft",t[t.None=0]="None",t[t.NearestRight=1]="NearestRight"}(kt||(kt={}));const Tt=30;class Rt{constructor(){this.xh=[],this.Ch=new Map,this.yh=new Map,this.Ph=[]}kh(){return this.Th()>0?this.xh[this.xh.length-1]:null}Rh(){return this.Th()>0?this.Dh(0):null}Qn(){return this.Th()>0?this.Dh(this.xh.length-1):null}Th(){return this.xh.length}Zi(){return 0===this.Th()}Le(t){return null!==this.Ih(t,0)}gh(t){return this.Hn(t)}Hn(t,i=0){const n=this.Ih(t,i);return null===n?null:{...this.Vh(n),$n:this.Dh(n)}}Eh(){return this.xh}Bh(t,i,n){if(this.Zi())return null;let s=null;for(const e of n){s=Dt(s,this.Ah(t,i,e))}return 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t=this.Jh.paneViews?.()??[];if(this.Xh?.Kh===t)return this.Xh.Gh;const i=t.map((t=>new Bt(t)));return this.Xh={Kh:t,Gh:i},i}Qs(t,i){return this.Jh.hitTest?.(t,i)??null}}let zt=class extends At{cn(){return[]}};class Lt{constructor(t){this.jh=t}st(t,i,n){this.jh.draw(t,Vt)}qh(t,i,n){this.jh.drawBackground?.(t,Vt)}}class Ot{constructor(t){this.zs=null,this.Yh=t}Tt(){const t=this.Yh.renderer();if(null===t)return null;if(this.zs?.Kh===t)return this.zs.Gh;const i=new Lt(t);return this.zs={Kh:t,Gh:i},i}Zh(){return this.Yh.zOrder?.()??"normal"}}function Nt(t){return{ri:t.text(),Bi:t.coordinate(),Vi:t.fixedCoordinate?.(),R:t.textColor(),Z:t.backColor(),It:t.visible?.()??!0,pi:t.tickVisible?.()??!0}}class Ft{constructor(t,i){this.Xt=new W,this.ta=t,this.ia=i}Tt(){return this.Xt.ht({nn:this.ia.nn(),...Nt(this.ta)}),this.Xt}}class Wt extends O{constructor(t,i){super(),this.ta=t,this.Ki=i}Yi(t,i,n){const s=Nt(this.ta);n.Z=s.Z,t.R=s.R;const 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