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

Performant financial charts built with HTML5 canvas

/*!
 * @license
 * TradingView Lightweight Charts™ v5.2.0
 * Copyright (c) 2026 TradingView, Inc.
 * Licensed under Apache License 2.0 https://www.apache.org/licenses/LICENSE-2.0
 */
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6:this.vs()}}vs(){const t=this.ns.findIndex((t=>5===t.ds));-1!==t&&this.ns.splice(t,1)}}class J{formatTickmarks(t){return t.map((t=>this.format(t)))}}const Q=".";function tt(t,i){if(!p(t))return"n/a";if(!v(i))throw new TypeError("invalid length");if(i<0||i>16)throw new TypeError("invalid length");if(0===i)return t.toString();return("0000000000000000"+t.toString()).slice(-i)}class it extends J{constructor(t,i){if(super(),i||(i=1),p(t)&&v(t)||(t=100),t<0)throw new TypeError("invalid base");this.Ki=t,this.ks=i,this.Ps()}format(t){const i=t<0?"−":"";return t=Math.abs(t),i+this.Ts(t)}Ps(){if(this.Rs=0,this.Ki>0&&this.ks>0){let t=this.Ki;for(;t>1;)t/=10,this.Rs++}}Ts(t){const i=this.Ki/this.ks;let n=Math.floor(t),s="";const e=void 0!==this.Rs?this.Rs:NaN;if(i>1){let r=+(Math.round(t*i)-n*i).toFixed(this.Rs);r>=i&&(r-=i,n+=1),s=Q+tt(+r.toFixed(this.Rs)*this.ks,e)}else n=Math.round(n*i)/i,e>0&&(s=Q+tt(0,e));return n.toFixed(0)+s}}class nt extends it{constructor(t=100){super(t)}format(t){return`${super.format(t)}%`}}class st extends J{constructor(t){super(),this.Ds=t}format(t){let i="";return t<0&&(i="-",t=-t),t<995?i+this.Is(t):t<999995?i+this.Is(t/1e3)+"K":t<999999995?(t=1e3*Math.round(t/1e3),i+this.Is(t/1e6)+"M"):(t=1e6*Math.round(t/1e6),i+this.Is(t/1e9)+"B")}Is(t){let i;const n=Math.pow(10,this.Ds);return i=(t=Math.round(t*n)/n)>=1e-15&&t<1?t.toFixed(this.Ds).replace(/\.?0+$/,""):String(t),i.replace(/(\.[1-9]*)0+$/,((t,i)=>i))}}const et=/[2-9]/g;class rt{constructor(t=50){this.Vs=0,this.Bs=1,this.Es=1,this.As={},this.Ls=new Map,this.zs=t}Os(){this.Vs=0,this.Ls.clear(),this.Bs=1,this.Es=1,this.As={}}Ii(t,i,n){return this.Ns(t,i,n).width}Di(t,i,n){const s=this.Ns(t,i,n);return((s.actualBoundingBoxAscent||0)-(s.actualBoundingBoxDescent||0))/2}Ns(t,i,n){const s=n||et,e=String(i).replace(s,"0");if(this.Ls.has(e))return _(this.Ls.get(e)).Fs;if(this.Vs===this.zs){const t=this.As[this.Es];delete this.As[this.Es],this.Ls.delete(t),this.Es++,this.Vs--}t.save(),t.textBaseline="middle";const r=t.measureText(e);return t.restore(),0===r.width&&i.length||(this.Ls.set(e,{Fs:r,Ws:this.Bs}),this.As[this.Bs]=e,this.Vs++,this.Bs++),r}}class ht{constructor(t){this.Hs=null,this.M=null,this.Us="right",this.$s=t}js(t,i,n){this.Hs=t,this.M=i,this.Us=n}st(t){null!==this.M&&null!==this.Hs&&this.Hs.st(t,this.M,this.$s,this.Us)}}class at{constructor(t,i,n){this.qs=t,this.$s=new rt(50),this.Ys=i,this.O=n,this.F=-1,this.Xt=new ht(this.$s)}Tt(){const t=this.O.Ks(this.Ys);if(null===t)return null;const i=t.Zs(this.Ys)?t.Gs():this.Ys.Ft();if(null===i)return null;const n=t.Xs(i);if("overlay"===n)return null;const s=this.O.Js();return s.k!==this.F&&(this.F=s.k,this.$s.Os()),this.Xt.js(this.qs.qi(),s,n),this.Xt}}class lt extends R{constructor(){super(...arguments),this.qt=null}ht(t){this.qt=t}Qs(t,i){if(!this.qt?.It)return null;const{ut:n,ct:s,te:e}=this.qt;return 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:s}){if(null===this.qt)return;if(!1===this.qt.It)return;const e=Math.round(this.qt.ut*s);e<0||e>i.height||(t.lineCap="butt",t.strokeStyle=this.qt.R,t.lineWidth=Math.floor(this.qt.ct*n),a(t,this.qt.Zt),l(t,e,0,i.width))}}class ot{constructor(t){this.re={ut:0,R:"rgba(0, 0, 0, 0)",ct:1,Zt:0,It:!1},this.he=new lt,this.xt=!0,this.ae=t,this.le=t.Qt(),this.he.ht(this.re)}kt(){this.xt=!0}Tt(){return this.ae.It()?(this.xt&&(this.oe(),this.xt=!1),this.he):null}}class _t extends ot{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.Lt();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.Zt=n.baseLineStyle)}}class ut extends R{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 ct=[{me:0,we:.25,Me:4,ge:10,be:.25,Se:0,xe:.4,Ce:.8},{me:.25,we:.525,Me:10,ge:14,be:0,Se:0,xe:.8,Ce:0},{me:.525,we:1,Me:14,ge:14,be:0,Se:0,xe:0,Ce:0}];class dt{constructor(t){this.Xt=new ut,this.xt=!0,this.ye=!0,this.ke=performance.now(),this.Pe=this.ke-1,this.Te=t}Re(){this.Pe=this.ke-1,this.kt()}De(){if(this.kt(),2===this.Te.N().lastPriceAnimation){const t=performance.now(),i=this.Pe-t;if(i>0)return void(i<650&&(this.Pe+=2600));this.ke=t,this.Pe=t+2600}}kt(){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.Pe}}Tt(){return this.xt?(this.Rt(),this.xt=!1,this.ye=!1):this.ye&&(this.Be(),this.ye=!1),this.Xt}Rt(){this.Xt.ht(null);const t=this.Te.Qt().Et(),i=t.Ee(),n=this.Te.Lt();if(null===i||null===n)return;const s=this.Te.Ae(!0);if(s.Le||!i.ze(s.$n))return;const e={x:t.jt(s.$n),y:this.Te.Ft().Nt(s.Mt,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})}Be(){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.ke: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 ct)if(n>=t.me&&n<=t.we){s=t;break}o(void 0!==s,"Last price animation internal 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i?n?this.Jt.Ft().je()?t.Ye:t.qe:t.ri:""}}function vt(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 mt{constructor(t,i){this.Ke=t,this.Ze=i}Ge(t){return null!==t&&(this.Ke===t.Ke&&this.Ze===t.Ze)}Xe(){return new mt(this.Ke,this.Ze)}Je(){return this.Ke}Qe(){return this.Ze}tr(){return this.Ze-this.Ke}Gi(){return this.Ze===this.Ke||Number.isNaN(this.Ze)||Number.isNaN(this.Ke)}Ss(t){return null===t?this:new mt(vt(Math.min,this.Je(),t.Je(),-1/0),vt(Math.max,this.Qe(),t.Qe(),1/0))}ir(t){if(!p(t))return;if(0===this.Ze-this.Ke)return;const i=.5*(this.Ze+this.Ke);let n=this.Ze-i,s=this.Ke-i;n*=t,s*=t,this.Ze=i+n,this.Ke=i+s}nr(t){p(t)&&(this.Ze+=t,this.Ke+=t)}sr(){return{minValue:this.Ke,maxValue:this.Ze}}static er(t){return null===t?null:new mt(t.minValue,t.maxValue)}}class wt{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 wt(mt.er(t.priceRange),t.margins)}}const Mt=[2,4,8,16,32,64,128,256,512],gt="Custom series with conflation reducer must have a priceValueBuilder method";class bt extends ot{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.Zt=i.lineStyle,t.te=this._r.N().id)}}class St extends H{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().$t()),t.ri=this.cr(s.price),t.It=!0;const l=this.Te.Qt().Xi().Z(s.axisLabelColor||s.color);n.G=l.G;const o=s.axisLabelTextColor||l.X;t.R=o,i.R=o,n.Ei=a}cr(t){const i=this.Te.Lt();return null===i?"":this.Te.Ft().Ji(t,i.Wt)}}class xt{constructor(t,i){this.Te=t,this.yn=i,this.dr=new bt(t,this),this.qs=new St(t,this),this.pr=new at(this.qs,t,t.Qt())}vr(t){f(this.yn,t),this.kt(),this.Te.Qt().mr()}N(){return this.yn}wr(){return this.dr}Mr(){return this.pr}gr(){return this.qs}kt(){this.dr.kt(),this.qs.kt()}ur(){const t=this.Te,i=t.Ft();if(t.Qt().Et().Gi()||i.Gi())return null;const n=t.Lt();return null===n?null:i.Nt(this.yn.price,n.Wt)}}class Ct{constructor(){this.br=new WeakMap}Sr(t,i,n){const s=1/i*n;if(t>=s)return 1;const e=s/t,r=Math.pow(2,Math.floor(Math.log2(e)));return Math.min(r,512)}Cr(t,i,n,s=!1,e){if(0===t.length||i<=1)return t;const r=this.yr(i);if(r<=1)return t;const h=this.kr(t);let a=h.Pr.get(r);return void 0!==a||(a=this.Tr(t,r,n,s,e,h.Pr),h.Pr.set(r,a)),a}Rr(t,i,n,s,e=!1,r){if(n<1||0===t.length)return t;const h=this.kr(t),a=h.Pr.get(n);if(!a)return this.Cr(t,n,s,e,r);const l=this.Dr(t,i,n,a,e,s,r);return h.Pr.set(n,l),l}yr(t){if(t<=2)return 2;for(const i of Mt)if(t<=i)return i;return 512}Ir(t){if(0===t.length)return 0;const i=t[0],n=t[t.length-1];return 31*t.length+17*i.$n+13*n.$n}Tr(t,i,n,s=!1,e,r=new Map){if(2===i)return this.Vr(t,2,n,s,e);const h=i/2;let a=r.get(h);return a||(a=this.Tr(t,h,n,s,e,r),r.set(h,a)),this.Br(a,n,s,e)}Vr(t,i,n,s=!1,e){const r=this.Er(t,i,n,s,e);return this.Ar(r,s)}Br(t,i,n=!1,s){const e=this.Er(t,2,i,n,s);return this.Ar(e,n)}Er(t,i,n,s=!1,e){const r=[];for(let h=0;h<t.length;h+=i){if(t.length-h>=i){const i=this.Lr(t[h],t[h+1],n,s,e);i.zr=!1,r.push(i)}else if(0===r.length)r.push(this.Or(t[h],!0));else{const i=r[r.length-1];r[r.length-1]=this.Nr(i,t[h],n,s,e)}}return r}Fr(t,i){return(t??1)+(i??1)}Lr(t,i,n,s=!1,e){if(!s||!n||!e){const n=t.Wt[1]>i.Wt[1]?t.Wt[1]:i.Wt[1],s=t.Wt[2]<i.Wt[2]?t.Wt[2]:i.Wt[2];return{Wr:t.$n,Hr:i.$n,Ur:t.wt,$r:i.wt,jr:t.Wt[0],qr:n,Yr:s,Kr:i.Wt[3],Zr:this.Fr(t.Zr,i.Zr),Gr:void 0,zr:!1}}const 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n=!0===i,s=!!t.Gr;return{...{$n:t.Wr,wt:t.Ur,Qr:t.Ur,Wt:[n?t.Kr:t.jr,t.qr,t.Yr,t.Kr],Zr:t.Zr},ue:n?s?t.Gr:{wt:t.Ur}:void 0}}Ar(t,i=!1){return t.map((t=>this.th(t,i)))}Dr(t,i,n,s,e=!1,r,h){if(0===s.length)return s;const a=t.length-1,l=Math.floor(a/n)*n;if(Math.min(l+n,t.length)-l<n&&t.length>n){const s=t.slice();return s[s.length-1]=i,this.Cr(s,n,r,e,h)}if(Math.floor((a-1)/n)===Math.floor(a/n)||1===s.length){const o=Math.min(l+n,t.length),_=o-l;if(_<=0)return s;const u=1===_?this.Or(l===a?i:t[l],!0):this.Jr(t,l,o,a,i,r,e,h);return s[s.length-1]=this.th(u,e),s}{const s=t.slice();return s[s.length-1]=i,this.Cr(s,n,r,e,h)}}Or(t,i=!1){return{Wr:t.$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],Zr:t.Zr??1,Gr:t.ue,zr:i}}kr(t){const i=this.ih(t),n=this.Ir(t);return i.nh!==n&&(i.Pr.clear(),i.nh=n),i}ih(t){let i=this.br.get(t);return void 0===i&&(i={nh:this.Ir(t),Pr:new Map},this.br.set(t,i)),i}}class yt extends Y{constructor(t){super(),this.sn=t}Qt(){return this.sn}}const kt={Bar:(t,i,n,s)=>{const e=i.upColor,r=i.downColor,h=u(t(n,s)),a=c(h.Wt[0])<=c(h.Wt[3]);return{sh:h.R??(a?e:r)}},Candlestick:(t,i,n,s)=>{const e=i.upColor,r=i.downColor,h=i.borderUpColor,a=i.borderDownColor,l=i.wickUpColor,o=i.wickDownColor,_=u(t(n,s)),d=c(_.Wt[0])<=c(_.Wt[3]);return{sh:_.R??(d?e:r),eh:_.Ht??(d?h:a),rh:_.hh??(d?l:o)}},Custom:(t,i,n,s)=>({sh:u(t(n,s)).R??i.color}),Area:(t,i,n,s)=>{const e=u(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=u(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=u(t(n,s));return{sh:e.R??i.color,vt:e.R??i.color}},Histogram:(t,i,n,s)=>({sh:u(t(n,s)).R??i.color})};class Pt{constructor(t){this.wh=(t,i)=>void 0!==i?i.Wt:this.Te.Un().Mh(t),this.Te=t,this.gh=kt[t.bh()]}Sh(t,i){return this.gh(this.wh,this.Te.N(),t,i)}}function Tt(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 Rt=Tt.bind(null,!0),Dt=Tt.bind(null,!1);var It;!function(t){t[t.NearestLeft=-1]="NearestLeft",t[t.None=0]="None",t[t.NearestRight=1]="NearestRight"}(It||(It={}));const Vt=30;class Bt{constructor(){this.xh=[],this.Ch=new Map,this.yh=new Map,this.kh=[]}Ph(){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}Gi(){return 0===this.Th()}ze(t){return null!==this.Ih(t,0)}Mh(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)}}Bh(){return this.xh}Eh(t,i,n){if(this.Gi())return null;let s=null;for(const e of n){s=Et(s,this.Ah(t,i,e))}return 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t=this.Jh.paneViews?.()??[];if(this.Xh?.Kh===t)return this.Xh.Zh;const i=t.map((t=>new Ot(t)));return this.Xh={Kh:t,Zh:i},i}Qs(t,i){return this.Jh.hitTest?.(t,i)??null}}let Ft=class extends Nt{cn(){return[]}};class Wt{constructor(t){this.jh=t}st(t,i,n){this.jh.draw(t,Lt)}qh(t,i,n){this.jh.drawBackground?.(t,Lt)}}class Ht{constructor(t){this.Ls=null,this.Yh=t}Tt(){const t=this.Yh.renderer();if(null===t)return null;if(this.Ls?.Kh===t)return this.Ls.Zh;const i=new Wt(t);return this.Ls={Kh:t,Zh:i},i}Gh(){return this.Yh.zOrder?.()??"normal"}}function Ut(t){return{ri:t.text(),Ei:t.coordinate(),Vi:t.fixedCoordinate?.(),R:t.textColor(),G:t.backColor(),It:t.visible?.()??!0,pi:t.tickVisible?.()??!0}}class $t{constructor(t,i){this.Xt=new j,this.ta=t,this.ia=i}Tt(){return this.Xt.ht({nn:this.ia.nn(),...Ut(this.ta)}),this.Xt}}class jt extends H{constructor(t,i){super(),this.ta=t,this.Ki=i}Yi(t,i,n){const s=Ut(this.ta);n.G=s.G,t.R=s.R;const 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