lightweight-charts/dist/lightweight-charts.production.cjs

Performant financial charts built with HTML5 canvas

/*!
 * @license
 * TradingView Lightweight Charts™ v4.1.2
 * Copyright (c) 2024 TradingView, Inc.
 * Licensed under Apache License 2.0 https://www.apache.org/licenses/LICENSE-2.0
 */
"use strict";var t=require("fancy-canvas");const i={upColor:"#26a69a",downColor:"#ef5350",wickVisible:!0,borderVisible:!0,borderColor:"#378658",borderUpColor:"#26a69a",borderDownColor:"#ef5350",wickColor:"#737375",wickUpColor:"#26a69a",wickDownColor:"#ef5350"},n={upColor:"#26a69a",downColor:"#ef5350",openVisible:!0,thinBars:!0},s={color:"#2196f3",lineStyle:0,lineWidth:3,lineType:0,lineVisible:!0,crosshairMarkerVisible:!0,crosshairMarkerRadius:4,crosshairMarkerBorderColor:"",crosshairMarkerBorderWidth:2,crosshairMarkerBackgroundColor:"",lastPriceAnimation:0,pointMarkersVisible:!1},e={topColor:"rgba( 46, 220, 135, 0.4)",bottomColor:"rgba( 40, 221, 100, 0)",invertFilledArea:!1,lineColor:"#33D778",lineStyle:0,lineWidth:3,lineType:0,lineVisible:!0,crosshairMarkerVisible:!0,crosshairMarkerRadius:4,crosshairMarkerBorderColor:"",crosshairMarkerBorderWidth:2,crosshairMarkerBackgroundColor:"",lastPriceAnimation:0,pointMarkersVisible:!1},r={baseValue:{type:"price",price:0},topFillColor1:"rgba(38, 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o=a+e,_=Math.ceil(0+i.C+i.T+i.L+i.P+i.V);t.useBitmapCoordinateSpace((({context:t,horizontalPixelRatio:n,verticalPixelRatio:s})=>{const e=v(this.Lt);t.fillStyle=e.t;const r=Math.round(a*n),h=Math.round(0*s),l=Math.round(o*n),u=Math.round(_*s),c=Math.round(2*n);if(t.beginPath(),t.moveTo(r,h),t.lineTo(r,u-c),t.arcTo(r,u,r+c,u,c),t.lineTo(l-c,u),t.arcTo(l,u,l,u-c,c),t.lineTo(l,h),t.fill(),e.ai){const r=Math.round(e.yi*n),l=h,a=Math.round((l+i.T)*s);t.fillStyle=e.O;const o=Math.max(1,Math.floor(n)),_=Math.floor(.5*n);t.fillRect(r-_,l,o,a-l)}})),t.useMediaCoordinateSpace((({context:t})=>{const n=v(this.Lt),e=0+i.C+i.T+i.L+i.P/2;t.font=i.R,t.textAlign="left",t.textBaseline="middle",t.fillStyle=n.O;const r=i.ji.xi(t,"Apr0");t.translate(a+s,e+r),t.fillText(n.Jt,0,0)}))}}class et{constructor(t,i,n){this.bt=!0,this.Ht=new st,this.jt={Tt:!1,t:"#4c525e",O:"white",Jt:"",$i:0,yi:NaN,ai:!0},this.wt=t,this.Ui=i,this.Ni=n}gt(){this.bt=!0}xt(){return 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mt(t,i){return{et:t.et-i.et,rt:t.rt-i.rt}}function bt(t,i){return{et:t.et/i,rt:t.rt/i}}function wt(t,i,n){const s=Math.max(0,i-1),e=Math.min(t.length-1,n+1);var r,h;return[(r=t[i],h=bt(mt(t[n],t[s]),pt),{et:r.et+h.et,rt:r.rt+h.rt}),mt(t[n],bt(mt(t[e],t[i]),pt))]}function gt(t,i,n,s,e){const{context:r,horizontalPixelRatio:h,verticalPixelRatio:l}=i;r.lineTo(e.et*h,t*l),r.lineTo(s.et*h,t*l),r.closePath(),r.fillStyle=n,r.fill()}class Mt extends ${constructor(){super(...arguments),this.tt=null}it(t){this.tt=t}Z(t){var i;if(null===this.tt)return;const{st:n,nt:s,cs:e,ht:r,Wt:h,ds:l}=this.tt,a=null!==(i=this.tt.fs)&&void 0!==i?i:this.tt.vs?0:t.mediaSize.height;if(null===s)return;const o=t.context;o.lineCap="butt",o.lineJoin="round",o.lineWidth=r,u(o,h),o.lineWidth=1,vt(t,n,l,s,e,this.ps.bind(this),gt.bind(null,a))}}function xt(t,i,n){return Math.min(Math.max(t,i),n)}function St(t,i,n){return i-t<=n}function kt(t){const i=Math.ceil(t);return i%2==0?i-1:i}class yt{bs(t,i){const 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a=null;const o=Math.max(1,Math.floor(r))%2/2,_=n*h+o;for(let n=s.to-1;n>=s.from;--n){const s=i[n];if(s){const i=e(t,s);i!==a&&(l.beginPath(),null!==a&&l.fill(),l.fillStyle=i,a=i);const n=Math.round(s.et*r)+o,u=s.rt*h;l.moveTo(n,u),l.arc(n,u,_,0,2*Math.PI)}}l.fill()}(t,i,l,n,o)}}class Rt extends Pt{Ds(t,i){return i._t}}function Dt(t,i,n,s,e=0,r=i.length){let h=r-e;for(;0<h;){const r=h>>1,l=e+r;s(i[l],n)===t?(e=l+1,h-=r+1):h=r}return e}const Ot=Dt.bind(null,!0),At=Dt.bind(null,!1);function Vt(t,i){return t.ut<i}function Bt(t,i){return i<t.ut}function It(t,i,n){const s=i.Os(),e=i.di(),r=Ot(t,s,Vt),h=At(t,e,Bt);if(!n)return{from:r,to:h};let l=r,a=h;return r>0&&r<t.length&&t[r].ut>=s&&(l=r-1),h>0&&h<t.length&&t[h-1].ut<=e&&(a=h+1),{from:l,to:a}}class zt{constructor(t,i,n){this.As=!0,this.Vs=!0,this.Bs=!0,this.Is=[],this.zs=null,this.Es=t,this.Ls=i,this.Ns=n}gt(t){this.As=!0,"data"===t&&(this.Vs=!0),"options"===t&&(this.Bs=!0)}xt(){return 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t=this.Es.W();this.ee.it({ds:t.lineType,st:this.Is,Wt:t.lineStyle,ht:t.lineWidth,fs:null,vs:t.invertFilledArea,nt:this.zs,cs:this.Ls.yt().he()}),this.re.it({ds:t.lineVisible?t.lineType:void 0,st:this.Is,Wt:t.lineStyle,ht:t.lineWidth,nt:this.zs,cs:this.Ls.yt().he(),Rs:t.pointMarkersVisible?t.pointMarkersRadius||t.lineWidth/2+2:void 0})}}class Nt extends ${constructor(){super(...arguments),this.Lt=null,this.le=0,this.ae=0}it(t){this.Lt=t}Z({context:t,horizontalPixelRatio:i,verticalPixelRatio:n}){if(null===this.Lt||0===this.Lt.In.length||null===this.Lt.nt)return;if(this.le=this.oe(i),this.le>=2){Math.max(1,Math.floor(i))%2!=this.le%2&&this.le--}this.ae=this.Lt._e?Math.min(this.le,Math.floor(i)):this.le;let s=null;const e=this.ae<=this.le&&this.Lt.he>=Math.floor(1.5*i);for(let r=this.Lt.nt.from;r<this.Lt.nt.to;++r){const h=this.Lt.In[r];s!==h.ue&&(t.fillStyle=h.ue,s=h.ue);const 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function(t,i,n,s){const e=ci("square",s),r=(e-1)/2,h=i-r,l=n-r;t.fillRect(h,l,e,e)}(i,t.et,t.rt,t.Ks)}t.th}(t,i)}function gi(t,i,n){return!(void 0===t.Jt||!function(t,i,n,s,e,r){const h=s/2;return e>=t&&e<=t+n&&r>=i-h&&r<=i+h}(t.Jt.et,t.Jt.rt,t.Jt.$i,t.Jt.zt,i,n))||function(t,i,n){if(0===t.Ks)return!1;switch(t.th){case"arrowDown":case"arrowUp":return mi(0,t.et,t.rt,t.Ks,i,n);case"circle":return function(t,i,n,s,e){const r=2+ci("circle",n)/2,h=t-s,l=i-e;return Math.sqrt(h*h+l*l)<=r}(t.et,t.rt,t.Ks,i,n);case"square":return vi(t.et,t.rt,t.Ks,i,n)}}(t,i,n)}function Mi(t,i,n,s,e,r,h,l,a){const o=P(n)?n:n.xe,_=P(n)?n:n.ge,u=P(n)?n:n.Me,c=P(i.size)?Math.max(i.size,0):1,d=di(l.he())*c,f=d/2;switch(t.Ks=d,i.position){case"inBar":return t.rt=h.Ot(o,a),void(void 0!==t.Jt&&(t.Jt.rt=t.rt+f+r+.6*e));case"aboveBar":return t.rt=h.Ot(_,a)-f-s.ih,void 0!==t.Jt&&(t.Jt.rt=t.rt-f-.6*e,s.ih+=1.2*e),void(s.ih+=d+r);case"belowBar":return t.rt=h.Ot(u,a)+f+s.nh,void 0!==t.Jt&&(t.Jt.rt=t.rt+f+r+.6*e,s.nh+=1.2*e),void(s.nh+=d+r)}i.position}class xi{constructor(t,i){this.bt=!0,this.sh=!0,this.eh=!0,this.rh=null,this.Ht=new bi,this.Wr=t,this.Ui=i,this.Lt={st:[],nt:null}}gt(t){this.bt=!0,this.eh=!0,"data"===t&&(this.sh=!0)}xt(t){if(!this.Wr.Tt())return null;this.bt&&this.hh();const i=this.Ui.W().layout;return this.Ht.ar(i.fontSize,i.fontFamily),this.Ht.it(this.Lt),this.Ht}lh(){if(this.eh){if(this.Wr.ah().length>0){const t=this.Ui.yt().he(),i=fi(t),n=1.5*di(t)+2*i;this.rh={above:n,below:n}}else this.rh=null;this.eh=!1}return this.rh}hh(){const t=this.Wr.At(),i=this.Ui.yt(),n=this.Wr.ah();this.sh&&(this.Lt.st=n.map((t=>({ut:t.time,et:0,rt:0,Ks:0,th:t.shape,O:t.color,Jr:t.Jr,wr:t.id,Jt:void 0}))),this.sh=!1);const s=this.Ui.W().layout;this.Lt.nt=null;const e=i.Xs();if(null===e)return;const r=this.Wr.Pt();if(null===r)return;if(0===this.Lt.st.length)return;let h=NaN;const l=fi(i.he()),a={ih:l,nh:l};this.Lt.nt=It(this.Lt.st,e,!0);for(let e=this.Lt.nt.from;e<this.Lt.nt.to;e++){const o=n[e];o.time!==h&&(a.ih=l,a.nh=l,h=o.time);const _=this.Lt.st[e];_.et=i.Et(o.time),void 0!==o.text&&o.text.length>0&&(_.Jt={Qr:o.text,et:0,rt:0,$i:0,zt:0});const u=this.Wr.oh(o.time);null!==u&&Mi(_,o,u,a,s.fontSize,l,t,i,r.Vt)}this.bt=!1}}class Si extends ei{constructor(t){super(t)}kr(){const t=this.Mr;t.Tt=!1;const i=this.Es.W();if(!i.priceLineVisible||!this.Es.Tt())return;const n=this.Es.Yr(0===i.priceLineSource);n.Xr||(t.Tt=!0,t.rt=n.yi,t.O=this.Es._h(n.O),t.ht=i.priceLineWidth,t.Wt=i.priceLineStyle)}}class ki extends tt{constructor(t){super(),this.$t=t}Ei(t,i,n){t.Tt=!1,i.Tt=!1;const s=this.$t;if(!s.Tt())return;const e=s.W(),r=e.lastValueVisible,h=""!==s.uh(),l=0===e.seriesLastValueMode,a=s.Yr(!1);if(a.Xr)return;r&&(t.Jt=this.dh(a,r,l),t.Tt=0!==t.Jt.length),(h||l)&&(i.Jt=this.fh(a,r,h,l),i.Tt=i.Jt.length>0);const o=s._h(a.O),_=y(o);n.t=_.t,n.yi=a.yi,i.Bt=s.qt().It(a.yi/s.At().zt()),t.Bt=o,t.O=_.i,i.O=_.i}fh(t,i,n,s){let e="";const r=this.$t.uh();return n&&0!==r.length&&(e+=`${r} `),i&&s&&(e+=this.$t.At().ph()?t.mh:t.bh),e.trim()}dh(t,i,n){return i?n?this.$t.At().ph()?t.bh:t.mh:t.Jt:""}}function yi(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 Ci{constructor(t,i){this.wh=t,this.gh=i}Mh(t){return null!==t&&(this.wh===t.wh&&this.gh===t.gh)}xh(){return new Ci(this.wh,this.gh)}Sh(){return this.wh}kh(){return this.gh}yh(){return this.gh-this.wh}Fi(){return this.gh===this.wh||Number.isNaN(this.gh)||Number.isNaN(this.wh)}ts(t){return null===t?this:new Ci(yi(Math.min,this.Sh(),t.Sh(),-1/0),yi(Math.max,this.kh(),t.kh(),1/0))}Ch(t){if(!P(t))return;if(0===this.gh-this.wh)return;const i=.5*(this.gh+this.wh);let n=this.gh-i,s=this.wh-i;n*=t,s*=t,this.gh=i+n,this.wh=i+s}Th(t){P(t)&&(this.gh+=t,this.wh+=t)}Ph(){return{minValue:this.wh,maxValue:this.gh}}static Rh(t){return null===t?null:new Ci(t.minValue,t.maxValue)}}class Ti{constructor(t,i){this.Dh=t,this.Oh=i||null}Ah(){return this.Dh}Vh(){return this.Oh}Ph(){return null===this.Dh?null:{priceRange:this.Dh.Ph(),margins:this.Oh||void 0}}static Rh(t){return null===t?null:new Ti(Ci.Rh(t.priceRange),t.margins)}}class Pi extends ei{constructor(t,i){super(t),this.Bh=i}kr(){const t=this.Mr;t.Tt=!1;const i=this.Bh.W();if(!this.Es.Tt()||!i.lineVisible)return;const n=this.Bh.Ih();null!==n&&(t.Tt=!0,t.rt=n,t.O=i.color,t.ht=i.lineWidth,t.Wt=i.lineStyle,t.wr=this.Bh.W().id)}}class Ri extends tt{constructor(t,i){super(),this.Wr=t,this.Bh=i}Ei(t,i,n){t.Tt=!1,i.Tt=!1;const s=this.Bh.W(),e=s.axisLabelVisible,r=""!==s.title,h=this.Wr;if(!e||!h.Tt())return;const l=this.Bh.Ih();if(null===l)return;r&&(i.Jt=s.title,i.Tt=!0),i.Bt=h.qt().It(l/h.At().zt()),t.Jt=this.zh(s.price),t.Tt=!0;const a=y(s.axisLabelColor||s.color);n.t=a.t;const o=s.axisLabelTextColor||a.i;t.O=o,i.O=o,n.yi=l}zh(t){const i=this.Wr.Pt();return null===i?"":this.Wr.At().Wi(t,i.Vt)}}class Di{constructor(t,i){this.Wr=t,this.cn=i,this.Eh=new Pi(t,this),this._r=new Ri(t,this),this.Lh=new ni(this._r,t,t.qt())}Nh(t){T(this.cn,t),this.gt(),this.Wr.qt().Fh()}W(){return this.cn}Wh(){return this.Eh}jh(){return this.Lh}Hh(){return this._r}gt(){this.Eh.gt(),this._r.gt()}Ih(){const t=this.Wr,i=t.At();if(t.qt().yt().Fi()||i.Fi())return null;const n=t.Pt();return null===n?null:i.Ot(this.cn.price,n.Vt)}}class Oi extends rt{constructor(t){super(),this.Ui=t}qt(){return this.Ui}}const Ai={Bar:(t,i,n,s)=>{var e;const r=i.upColor,h=i.downColor,l=v(t(n,s)),a=p(l.Vt[0])<=p(l.Vt[3]);return{ue:null!==(e=l.O)&&void 0!==e?e:a?r:h}},Candlestick:(t,i,n,s)=>{var e,r,h;const l=i.upColor,a=i.downColor,o=i.borderUpColor,_=i.borderDownColor,u=i.wickUpColor,c=i.wickDownColor,d=v(t(n,s)),f=p(d.Vt[0])<=p(d.Vt[3]);return{ue:null!==(e=d.O)&&void 0!==e?e:f?l:a,Le:null!==(r=d.Bt)&&void 0!==r?r:f?o:_,Ee:null!==(h=d.$h)&&void 0!==h?h:f?u:c}},Custom:(t,i,n,s)=>{var e;return{ue:null!==(e=v(t(n,s)).O)&&void 0!==e?e:i.color}},Area:(t,i,n,s)=>{var e,r,h,l;const a=v(t(n,s));return{ue:null!==(e=a._t)&&void 0!==e?e:i.lineColor,_t:null!==(r=a._t)&&void 0!==r?r:i.lineColor,Ts:null!==(h=a.Ts)&&void 0!==h?h:i.topColor,Ps:null!==(l=a.Ps)&&void 0!==l?l:i.bottomColor}},Baseline:(t,i,n,s)=>{var e,r,h,l,a,o;const _=v(t(n,s));return{ue:_.Vt[3]>=i.baseValue.price?i.topLineColor:i.bottomLineColor,Pe:null!==(e=_.Pe)&&void 0!==e?e:i.topLineColor,Re:null!==(r=_.Re)&&void 0!==r?r:i.bottomLineColor,Se:null!==(h=_.Se)&&void 0!==h?h:i.topFillColor1,ke:null!==(l=_.ke)&&void 0!==l?l:i.topFillColor2,ye:null!==(a=_.ye)&&void 0!==a?a:i.bottomFillColor1,Ce:null!==(o=_.Ce)&&void 0!==o?o:i.bottomFillColor2}},Line:(t,i,n,s)=>{var e,r;const h=v(t(n,s));return{ue:null!==(e=h.O)&&void 0!==e?e:i.color,_t:null!==(r=h.O)&&void 0!==r?r:i.color}},Histogram:(t,i,n,s)=>{var e;return{ue:null!==(e=v(t(n,s)).O)&&void 0!==e?e:i.color}}};class Vi{constructor(t){this.Uh=(t,i)=>void 0!==i?i.Vt:this.Wr.In().qh(t),this.Wr=t,this.Yh=Ai[t.Xh()]}Hs(t,i){return this.Yh(this.Uh,this.Wr.W(),t,i)}}var Bi;exports.MismatchDirection=void 0,(Bi=exports.MismatchDirection||(exports.MismatchDirection={}))[Bi.NearestLeft=-1]="NearestLeft",Bi[Bi.None=0]="None",Bi[Bi.NearestRight=1]="NearestRight";const Ii=30;class zi{constructor(){this.Kh=[],this.Zh=new Map,this.Gh=new Map}Jh(){return this.Ks()>0?this.Kh[this.Kh.length-1]:null}Qh(){return this.Ks()>0?this.tl(0):null}Bn(){return this.Ks()>0?this.tl(this.Kh.length-1):null}Ks(){return this.Kh.length}Fi(){return 0===this.Ks()}Kr(t){return null!==this.il(t,0)}qh(t){return this.nl(t)}nl(t,i=0){const n=this.il(t,i);return null===n?null:Object.assign(Object.assign({},this.sl(n)),{se:this.tl(n)})}ie(){return this.Kh}el(t,i,n){if(this.Fi())return null;let s=null;for(const e of n){s=Ei(s,this.rl(t,i,e))}return s}it(t){this.Gh.clear(),this.Zh.clear(),this.Kh=t}tl(t){return this.Kh[t].se}sl(t){return this.Kh[t]}il(t,i){const n=this.hl(t);if(null===n&&0!==i)switch(i){case-1:return this.ll(t);case 1:return this.al(t);default:throw new TypeError("Unknown search mode")}return n}ll(t){let i=this.ol(t);return i>0&&(i-=1),i!==this.Kh.length&&this.tl(i)<t?i:null}al(t){const i=this._l(t);return i!==this.Kh.length&&t<this.tl(i)?i:null}hl(t){const i=this.ol(t);return i===this.Kh.length||t<this.Kh[i].se?null:i}ol(t){return Ot(this.Kh,t,((t,i)=>t.se<i))}_l(t){return At(this.Kh,t,((t,i)=>t.se>i))}ul(t,i,n){let s=null;for(let e=t;e<i;e++){const t=this.Kh[e].Vt[n];Number.isNaN(t)||(null===s?s={cl:t,dl:t}:(t<s.cl&&(s.cl=t),t>s.dl&&(s.dl=t)))}return s}rl(t,i,n){if(this.Fi())return null;let s=null;const e=v(this.Qh()),r=v(this.Bn()),h=Math.max(t,e),l=Math.min(i,r),a=Math.ceil(h/Ii)*Ii,o=Math.max(a,Math.floor(l/Ii)*Ii);{const t=this.ol(h),e=this._l(Math.min(l,a,i));s=Ei(s,this.ul(t,e,n))}let _=this.Zh.get(n);void 0===_&&(_=new Map,this.Zh.set(n,_));for(let t=Math.max(a+1,h);t<o;t+=Ii){const i=Math.floor(t/Ii);let e=_.get(i);if(void 0===e){const t=this.ol(i*Ii),s=this._l((i+1)*Ii-1);e=this.ul(t,s,n),_.set(i,e)}s=Ei(s,e)}{const t=this.ol(o),i=this._l(l);s=Ei(s,this.ul(t,i,n))}return s}}function Ei(t,i){if(null===t)return i;if(null===i)return t;return{cl:Math.min(t.cl,i.cl),dl:Math.max(t.dl,i.dl)}}class Li{constructor(t){this.fl=t}K(t,i,n){this.fl.draw(t)}G(t,i,n){var s,e;null===(e=(s=this.fl).drawBackground)||void 0===e||e.call(s,t)}}class Ni{constructor(t){this.Qe=null,this.wn=t}xt(){var t;const i=this.wn.renderer();if(null===i)return null;if((null===(t=this.Qe)||void 0===t?void 0:t.vl)===i)return this.Qe.pl;const n=new Li(i);return this.Qe={vl:i,pl:n},n}ml(){var t,i,n;return null!==(n=null===(i=(t=this.wn).zOrder)||void 0===i