latex-math/dist/index.js

Parses LaTeX math strings—typically extracted from Markdown—and converts them into an abstract syntax tree (AST).

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o=n[0],c=n[1],m=n[2];o/=95.047,c/=100,m/=108.883,o=o>.008856?o**(1/3):7.787*o+16/116,c=c>.008856?c**(1/3):7.787*c+16/116,m=m>.008856?m**(1/3):7.787*m+16/116;let r=116*c-16,f=500*(o-c),e=200*(c-m);return[r,f,e]};Ke.lab.xyz=function(n){let o=n[0],c=n[1],m=n[2],r,f,e;f=(o+16)/116,r=c/500+f,e=f-m/200;let $=f**3,b=r**3,D=e**3;return f=$>.008856?$:(f-16/116)/7.787,r=b>.008856?b:(r-16/116)/7.787,e=D>.008856?D:(e-16/116)/7.787,r*=95.047,f*=100,e*=108.883,[r,f,e]};Ke.lab.lch=function(n){let o=n[0],c=n[1],m=n[2],r;r=Math.atan2(m,c)*360/2/Math.PI,r<0&&(r+=360);let e=Math.sqrt(c*c+m*m);return[o,e,r]};Ke.lch.lab=function(n){let o=n[0],c=n[1],r=n[2]/360*2*Math.PI,f=c*Math.cos(r),e=c*Math.sin(r);return[o,f,e]};Ke.rgb.ansi16=function(n,o=null){let[c,m,r]=n,f=o===null?Ke.rgb.hsv(n)[2]:o;if(f=Math.round(f/50),f===0)return 30;let e=30+(Math.round(r/255)<<2|Math.round(m/255)<<1|Math.round(c/255));return f===2&&(e+=60),e};Ke.hsv.ansi16=function(n){return 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m=parseInt(c,16),r=m>>16&255,f=m>>8&255,e=m&255;return[r,f,e]};Ke.rgb.hcg=function(n){let o=n[0]/255,c=n[1]/255,m=n[2]/255,r=Math.max(Math.max(o,c),m),f=Math.min(Math.min(o,c),m),e=r-f,$,b;return e<1?$=f/(1-e):$=0,e<=0?b=0:r===o?b=(c-m)/e%6:r===c?b=2+(m-o)/e:b=4+(o-c)/e,b/=6,b%=1,[b*360,e*100,$*100]};Ke.hsl.hcg=function(n){let o=n[1]/100,c=n[2]/100,m=c<.5?2*o*c:2*o*(1-c),r=0;return m<1&&(r=(c-.5*m)/(1-m)),[n[0],m*100,r*100]};Ke.hsv.hcg=function(n){let o=n[1]/100,c=n[2]/100,m=o*c,r=0;return m<1&&(r=(c-m)/(1-m)),[n[0],m*100,r*100]};Ke.hcg.rgb=function(n){let o=n[0]/360,c=n[1]/100,m=n[2]/100;if(c===0)return[m*255,m*255,m*255];let r=[0,0,0],f=o%1*6,e=f%1,$=1-e,b=0;switch(Math.floor(f)){case 0:r[0]=1,r[1]=e,r[2]=0;break;case 1:r[0]=$,r[1]=1,r[2]=0;break;case 2:r[0]=0,r[1]=1,r[2]=e;break;case 3:r[0]=0,r[1]=$,r[2]=1;break;case 4:r[0]=e,r[1]=0,r[2]=1;break;default:r[0]=1,r[1]=0,r[2]=$}return b=(1-c)*m,[(c*r[0]+b)*255,(c*r[1]+b)*255,(c*r[2]+b)*255]};Ke.hcg.hsv=function(n){let 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o=Math.round(n[0]/100*255)&255,m=((o<<16)+(o<<8)+o).toString(16).toUpperCase();return"000000".substring(m.length)+m};Ke.rgb.gray=function(n){return[(n[0]+n[1]+n[2])/3/255*100]}});var Eo=In((Uc,Co)=>{"use strict";var cs=ia();function vl(){let n={},o=Object.keys(cs);for(let c=o.length,m=0;m<c;m++)n[o[m]]={distance:-1,parent:null};return n}function $l(n){let o=vl(),c=[n];for(o[n].distance=0;c.length;){let m=c.pop(),r=Object.keys(cs[m]);for(let f=r.length,e=0;e<f;e++){let $=r[e],b=o[$];b.distance===-1&&(b.distance=o[m].distance+1,b.parent=m,c.unshift($))}}return o}function yl(n,o){return function(c){return o(n(c))}}function bl(n,o){let c=[o[n].parent,n],m=cs[o[n].parent][n],r=o[n].parent;for(;o[r].parent;)c.unshift(o[r].parent),m=yl(cs[o[r].parent][r],m),r=o[r].parent;return m.conversion=c,m}Co.exports=function(n){let o=$l(n),c={},m=Object.keys(o);for(let r=m.length,f=0;f<r;f++){let e=m[f];o[e].parent!==null&&(c[e]=bl(e,o))}return c}});var _o=In((Vc,Io)=>{"use strict";var sa=ia(),Al=Eo(),Lt={},xl=Object.keys(sa);function kl(n){let o=function(...c){let m=c[0];return m==null?m:(m.length>1&&(c=m),n(c))};return"conversion"in n&&(o.conversion=n.conversion),o}function wl(n){let o=function(...c){let m=c[0];if(m==null)return m;m.length>1&&(c=m);let r=n(c);if(typeof r=="object")for(let f=r.length,e=0;e<f;e++)r[e]=Math.round(r[e]);return r};return"conversion"in n&&(o.conversion=n.conversion),o}xl.forEach(n=>{Lt[n]={},Object.defineProperty(Lt[n],"channels",{value:sa[n].channels}),Object.defineProperty(Lt[n],"labels",{value:sa[n].labels});let o=Al(n);Object.keys(o).forEach(m=>{let r=o[m];Lt[n][m]=wl(r),Lt[n][m].raw=kl(r)})});Io.exports=Lt});var Ro=In((Xc,Fo)=>{"use strict";var Tt=wo(),Yn=_o(),So=["keyword","gray","hex"],aa={};for(let n of Object.keys(Yn))aa[[...Yn[n].labels].sort().join("")]=n;var gs={};function Mn(n,o){if(!(this instanceof Mn))return new Mn(n,o);if(o&&o in So&&(o=null),o&&!(o in Yn))throw new Error("Unknown model: "+o);let c,m;if(n==null)this.model="rgb",this.color=[0,0,0],this.valpha=1;else if(n instanceof Mn)this.model=n.model,this.color=[...n.color],this.valpha=n.valpha;else if(typeof n=="string"){let r=Tt.get(n);if(r===null)throw new Error("Unable to parse color from string: "+n);this.model=r.model,m=Yn[this.model].channels,this.color=r.value.slice(0,m),this.valpha=typeof r.value[m]=="number"?r.value[m]:1}else if(n.length>0){this.model=o||"rgb",m=Yn[this.model].channels;let r=Array.prototype.slice.call(n,0,m);this.color=oa(r,m),this.valpha=typeof n[m]=="number"?n[m]:1}else if(typeof n=="number")this.model="rgb",this.color=[n>>16&255,n>>8&255,n&255],this.valpha=1;else{this.valpha=1;let r=Object.keys(n);"alpha"in n&&(r.splice(r.indexOf("alpha"),1),this.valpha=typeof n.alpha=="number"?n.alpha:0);let f=r.sort().join("");if(!(f in aa))throw new Error("Unable to parse color from object: 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0?new Mn(n):Yn[this.model].keyword(this.color)},hex(n){return n!==void 0?new Mn(n):Tt.to.hex(this.rgb().round().color)},hexa(n){if(n!==void 0)return new Mn(n);let o=this.rgb().round().color,c=Math.round(this.valpha*255).toString(16).toUpperCase();return c.length===1&&(c="0"+c),Tt.to.hex(o)+c},rgbNumber(){let n=this.rgb().color;return(n[0]&255)<<16|(n[1]&255)<<8|n[2]&255},luminosity(){let n=this.rgb().color,o=[];for(let[c,m]of n.entries()){let r=m/255;o[c]=r<=.04045?r/12.92:((r+.055)/1.055)**2.4}return .2126*o[0]+.7152*o[1]+.0722*o[2]},contrast(n){let o=this.luminosity(),c=n.luminosity();return o>c?(o+.05)/(c+.05):(c+.05)/(o+.05)},level(n){let o=this.contrast(n);return o>=7?"AAA":o>=4.5?"AA":""},isDark(){let n=this.rgb().color;return(n[0]*2126+n[1]*7152+n[2]*722)/1e4<128},isLight(){return!this.isDark()},negate(){let n=this.rgb();for(let o=0;o<3;o++)n.color[o]=255-n.color[o];return n},lighten(n){let o=this.hsl();return o.color[2]+=o.color[2]*n,o},darken(n){let o=this.hsl();return 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