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

Performant financial charts built with HTML5 canvas

/*!
 * @license
 * TradingView Lightweight Charts™ v5.0.8
 * Copyright (c) 2025 TradingView, Inc.
 * Licensed under Apache License 2.0 https://www.apache.org/licenses/LICENSE-2.0
 */
const t={title:"",visible:!0,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,s;function n(t,i){const s={0:[],1:[t.lineWidth,t.lineWidth],2:[2*t.lineWidth,2*t.lineWidth],3:[6*t.lineWidth,6*t.lineWidth],4:[t.lineWidth,4*t.lineWidth]}[i];t.setLineDash(s)}function e(t,i,s,n){t.beginPath();const e=t.lineWidth%2?.5:0;t.moveTo(s,i+e),t.lineTo(n,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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st{constructor(t){this.zn=null,this.M=null,this.On="right",this.Ln=t}Nn(t,i,s){this.zn=t,this.M=i,this.On=s}nt(t){null!==this.M&&null!==this.zn&&this.zn.nt(t,this.M,this.Ln,this.On)}}class nt{constructor(t,i,s){this.Fn=t,this.Ln=new it(50),this.Wn=i,this.L=s,this.F=-1,this.Gt=new st(this.Ln)}Tt(){const t=this.L.Hn(this.Wn);if(null===t)return null;const i=t.Un(this.Wn)?t.$n():this.Wn.Ft();if(null===i)return null;const s=t.jn(i);if("overlay"===s)return null;const n=this.L.qn();return n.P!==this.F&&(this.F=n.P,this.Ln.Vn()),this.Gt.Nn(this.Fn.$i(),n,s),this.Gt}}class et extends P{constructor(){super(...arguments),this.qt=null}ht(t){this.qt=t}Yn(t,i){if(!this.qt?.Et)return null;const{ut:s,ct:n,Kn:e}=this.qt;return i>=s-n-7&&i<=s+n+7?{Xn:this.qt,Kn:e}:null}et({context:t,bitmapSize:i,horizontalPixelRatio:s,verticalPixelRatio:r}){if(null===this.qt)return;if(!1===this.qt.Et)return;const 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e=Math.max(1,Math.floor(i)),r=e%2/2,h=Math.round(n.ne.x*i)+r,a=n.ne.y*s;t.fillStyle=n.ee,t.beginPath();const l=Math.max(2,1.5*n.re)*i;t.arc(h,a,l,0,2*Math.PI,!1),t.fill(),t.fillStyle=n.he,t.beginPath(),t.arc(h,a,n.ft*i,0,2*Math.PI,!1),t.fill(),t.lineWidth=e,t.strokeStyle=n.ae,t.beginPath(),t.arc(h,a,n.ft*i+e/2,0,2*Math.PI,!1),t.stroke()}}const lt=[{le:0,oe:.25,_e:4,ue:10,ce:.25,de:0,fe:.4,pe:.8},{le:.25,oe:.525,_e:10,ue:14,ce:0,de:0,fe:.8,pe:0},{le:.525,oe:1,_e:14,ue:14,ce:0,de:0,fe:0,pe:0}];class ot{constructor(t){this.Gt=new at,this.St=!0,this.ve=!0,this.me=performance.now(),this.we=this.me-1,this.ge=t}Me(){this.we=this.me-1,this.yt()}be(){if(this.yt(),2===this.ge.N().lastPriceAnimation){const t=performance.now(),i=this.we-t;if(i>0)return void(i<650&&(this.we+=2600));this.me=t,this.we=t+2600}}yt(){this.St=!0}xe(){this.ve=!0}Et(){return 0!==this.ge.N().lastPriceAnimation}Se(){switch(this.ge.N().lastPriceAnimation){case 0:return!1;case 1:return!0;case 2:return 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t=this.Zn;t.Et=!1;const i=this.Jn.N();if(!i.priceLineVisible||!this.Jn.Et())return;const s=this.Jn.ye(0===i.priceLineSource);s.ke||(t.Et=!0,t.ut=s.Bi,t.R=this.Jn.Be(s.R),t.ct=i.priceLineWidth,t.Xt=i.priceLineStyle)}}class ut extends L{constructor(t){super(),this.Jt=t}ji(t,i,s){t.Et=!1,i.Et=!1;const n=this.Jt;if(!n.Et())return;const e=n.N(),r=e.lastValueVisible,h=""!==n.Ie(),a=0===e.seriesLastValueMode,l=n.ye(!1);if(l.ke)return;r&&(t.ri=this.Ae(l,r,a),t.Et=0!==t.ri.length),(h||a)&&(i.ri=this.ze(l,r,h,a),i.Et=i.ri.length>0);const o=n.Be(l.R),_=this.Jt.Qt().Xi().X(o);s.Z=_.Z,s.Bi=l.Bi,i.Ht=n.Qt().Ut(l.Bi/n.Ft().$t()),t.Ht=o,t.R=_.G,i.R=_.G}ze(t,i,s,n){let e="";const r=this.Jt.Ie();return s&&0!==r.length&&(e+=`${r} `),i&&n&&(e+=this.Jt.Ft().Oe()?t.Le:t.Ne),e.trim()}Ae(t,i,s){return i?s?this.Jt.Ft().Oe()?t.Ne:t.Le:t.ri:""}}function ct(t,i,s,n){const e=Number.isFinite(i),r=Number.isFinite(s);return e&&r?t(i,s):e||r?e?i:s:n}class dt{constructor(t,i){this.Fe=t,this.We=i}He(t){return null!==t&&(this.Fe===t.Fe&&this.We===t.We)}Ue(){return new dt(this.Fe,this.We)}$e(){return this.Fe}je(){return this.We}qe(){return this.We-this.Fe}Ki(){return this.We===this.Fe||Number.isNaN(this.We)||Number.isNaN(this.Fe)}vn(t){return null===t?this:new dt(ct(Math.min,this.$e(),t.$e(),-1/0),ct(Math.max,this.je(),t.je(),1/0))}Ye(t){if(!u(t))return;if(0===this.We-this.Fe)return;const i=.5*(this.We+this.Fe);let s=this.We-i,n=this.Fe-i;s*=t,n*=t,this.We=i+s,this.Fe=i+n}Ke(t){u(t)&&(this.We+=t,this.Fe+=t)}Xe(){return{minValue:this.Fe,maxValue:this.We}}static Ze(t){return null===t?null:new dt(t.minValue,t.maxValue)}}class ft{constructor(t,i){this.Ge=t,this.Je=i||null}Qe(){return this.Ge}tr(){return this.Je}Xe(){return{priceRange:null===this.Ge?null:this.Ge.Xe(),margins:this.Je||void 0}}static Ze(t){return null===t?null:new ft(dt.Ze(t.priceRange),t.margins)}}class pt extends rt{constructor(t,i){super(t),this.ir=i}te(){const t=this.Zn;t.Et=!1;const i=this.ir.N();if(!this.Jn.Et()||!i.lineVisible)return;const s=this.ir.sr();null!==s&&(t.Et=!0,t.ut=s,t.R=i.color,t.ct=i.lineWidth,t.Xt=i.lineStyle,t.Kn=this.ir.N().id)}}class vt extends L{constructor(t,i){super(),this.ge=t,this.ir=i}ji(t,i,s){t.Et=!1,i.Et=!1;const n=this.ir.N(),e=n.axisLabelVisible,r=""!==n.title,h=this.ge;if(!e||!h.Et())return;const a=this.ir.sr();if(null===a)return;r&&(i.ri=n.title,i.Et=!0),i.Ht=h.Qt().Ut(a/h.Ft().$t()),t.ri=this.nr(n.price),t.Et=!0;const l=this.ge.Qt().Xi().X(n.axisLabelColor||n.color);s.Z=l.Z;const o=n.axisLabelTextColor||l.G;t.R=o,i.R=o,s.Bi=a}nr(t){const i=this.ge.zt();return null===i?"":this.ge.Ft().Zi(t,i.Wt)}}class mt{constructor(t,i){this.ge=t,this.Ps=i,this.er=new pt(t,this),this.Fn=new vt(t,this),this.rr=new nt(this.Fn,t,t.Qt())}hr(t){_(this.Ps,t),this.yt(),this.ge.Qt().ar()}N(){return this.Ps}lr(){return this.er}_r(){return this.rr}ur(){return this.Fn}yt(){this.er.yt(),this.Fn.yt()}sr(){const t=this.ge,i=t.Ft();if(t.Qt().It().Ki()||i.Ki())return null;const s=t.zt();return null===s?null:i.Nt(this.Ps.price,s.Wt)}}class wt extends U{constructor(t){super(),this.ts=t}Qt(){return this.ts}}const gt={Bar:(t,i,s,n)=>{const e=i.upColor,r=i.downColor,h=a(t(s,n)),o=l(h.Wt[0])<=l(h.Wt[3]);return{cr:h.R??(o?e:r)}},Candlestick:(t,i,s,n)=>{const e=i.upColor,r=i.downColor,h=i.borderUpColor,o=i.borderDownColor,_=i.wickUpColor,u=i.wickDownColor,c=a(t(s,n)),d=l(c.Wt[0])<=l(c.Wt[3]);return{cr:c.R??(d?e:r),dr:c.Ht??(d?h:o),pr:c.vr??(d?_:u)}},Custom:(t,i,s,n)=>({cr:a(t(s,n)).R??i.color}),Area:(t,i,s,n)=>{const e=a(t(s,n));return{cr:e.vt??i.lineColor,vt:e.vt??i.lineColor,mr:e.mr??i.topColor,wr:e.wr??i.bottomColor}},Baseline:(t,i,s,n)=>{const e=a(t(s,n));return{cr:e.Wt[3]>=i.baseValue.price?i.topLineColor:i.bottomLineColor,gr:e.gr??i.topLineColor,Mr:e.Mr??i.bottomLineColor,br:e.br??i.topFillColor1,Sr:e.Sr??i.topFillColor2,Cr:e.Cr??i.bottomFillColor1,Pr:e.Pr??i.bottomFillColor2}},Line:(t,i,s,n)=>{const e=a(t(s,n));return{cr:e.R??i.color,vt:e.R??i.color}},Histogram:(t,i,s,n)=>({cr:a(t(s,n)).R??i.color})};class Mt{constructor(t){this.yr=(t,i)=>void 0!==i?i.Wt:this.ge.Xs().kr(t),this.ge=t,this.Tr=gt[t.Rr()]}Dr(t,i){return this.Tr(this.yr,this.ge.N(),t,i)}}function bt(t,i,s,n,e=0,r=i.length){let h=r-e;for(;0<h;){const r=h>>1,a=e+r;n(i[a],s)===t?(e=a+1,h-=r+1):h=r}return e}const xt=bt.bind(null,!0),St=bt.bind(null,!1);var Ct;!function(t){t[t.NearestLeft=-1]="NearestLeft",t[t.None=0]="None",t[t.NearestRight=1]="NearestRight"}(Ct||(Ct={}));const Pt=30;class yt{constructor(){this.Er=[],this.Vr=new Map,this.Br=new Map,this.Ir=[]}Ar(){return this.zr()>0?this.Er[this.Er.length-1]:null}Or(){return this.zr()>0?this.Lr(0):null}Ks(){return 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n=null;for(let e=t;e<i;e++){const t=this.Er[e].Wt[s];Number.isNaN(t)||(null===n?n={Jr:t,Qr:t}:(t<n.Jr&&(n.Jr=t),t>n.Qr&&(n.Qr=t)))}return n}$r(t,i,s){if(this.Ki())return null;let n=null;const e=a(this.Or()),r=a(this.Ks()),h=Math.max(t,e),l=Math.min(i,r),o=Math.ceil(h/Pt)*Pt,_=Math.max(o,Math.floor(l/Pt)*Pt);{const t=this.Xr(h),e=this.Zr(Math.min(l,o,i));n=kt(n,this.Gr(t,e,s))}let u=this.Vr.get(s);void 0===u&&(u=new Map,this.Vr.set(s,u));for(let t=Math.max(o+1,h);t<_;t+=Pt){const i=Math.floor(t/Pt);let e=u.get(i);if(void 0===e){const t=this.Xr(i*Pt),n=this.Zr((i+1)*Pt-1);e=this.Gr(t,n,s),u.set(i,e)}n=kt(n,e)}{const t=this.Xr(_),i=this.Zr(l);n=kt(n,this.Gr(t,i,s))}return n}}function kt(t,i){if(null===t)return i;if(null===i)return t;return{Jr:Math.min(t.Jr,i.Jr),Qr:Math.max(t.Qr,i.Qr)}}class Tt{constructor(t){this.th=t}nt(t,i,s){this.th.draw(t)}ih(t,i,s){this.th.drawBackground?.(t)}}class Rt{constructor(t){this.Dn=null,this.sh=t}Tt(){const t=this.sh.renderer();if(null===t)return 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