epub-reader/src/lib/code/colorful.js

const DOCTYPE_EXP=/<\!DOCTYPE html>/,TAG_START_EXP=/<([\w\-]+)([\w\W]*?)>/g,TAG_END_EXP=/<\/([\w\-]+)>/g,TAG_ATTR_EXP=/[@a-zA-Z\-.]+=(["'])[^"]+\1|[@a-zA-Z\-.]+=[a-zA-Z0-9]+|[@a-zA-Z\-.]+/g,TAG_CM_EXP=/<!--([\w\W]*?)-->/g;export function colorHtml(t){return(t=t.replace(DOCTYPE_EXP,"[tag]&lt;!DOCTYPE [attr]html[/attr]&gt;[/tag]").replace(TAG_START_EXP,(t,a,r)=>(r&&(r=r.replace(TAG_ATTR_EXP,(function(t){if(~t.indexOf("=")){return`[attr]${(t=t.split("=")).shift()}[/attr]=[str]${t.join("=")}[/str]`}return`[attr]${t}[/attr]`}))),`[tag]&lt;${a+r}&gt;[/tag]`)).replace(TAG_END_EXP,(t,a)=>`[tag]&lt;/${a}&gt;[/tag]`).replace(TAG_CM_EXP,'<i class="gr">&lt;!--$1--&gt;</i>')).replace(/\[(\/?)tag\]/g,(t,a)=>a?"</i>":'<i class="r">').replace(/\[(\/?)attr\]/g,(t,a)=>a?"</i>":'<i class="b">').replace(/\[(\/?)str\]/g,(t,a)=>a?"</i>":'<i class="g">')}export function colorCss(t){return t=t.replace(/:(hover|after|active|last\-child|first\-child)/g,'<i class="o">:$1</i>').replace(/([\.#])([\w\-]+)/g,'<i class="gr">$1</i><i class="o">$2</i>').replace(/([a-zA-Z\-]+):\s?([^;\n]+);?/g,'<b class="gr">$1: </b><i class="b">$2</i><i class="gr">;</i>').replace(/([,\{\}])/g,'<i class="gr">$1</i>').replace(/&/g,'<i class="r">&</i>')}