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Monorepo for Aesthetic.Computer aesthetic.computer
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061import {Marked} from 'marked';import DOMPurify from 'dompurify';import katex from 'katex';import hljs from 'highlight.js/lib/core';import javascript from 'highlight.js/lib/languages/javascript';import typescript from 'highlight.js/lib/languages/typescript';import json from 'highlight.js/lib/languages/json';import css from 'highlight.js/lib/languages/css';import xml from 'highlight.js/lib/languages/xml';import bash from 'highlight.js/lib/languages/bash';import python from 'highlight.js/lib/languages/python';import glsl from 'highlight.js/lib/languages/glsl';import swift from 'highlight.js/lib/languages/swift';import lisp from 'highlight.js/lib/languages/lisp';import lua from 'highlight.js/lib/languages/lua';for(const [name,language] of Object.entries({javascript,typescript,json,css,xml,bash,python,glsl,swift,lisp,lua}))hljs.registerLanguage(name,language);const mathCache=new Map(),codeCache=new Map();function cached(cache,key,create){if(cache.has(key))return cache.get(key);const value=create();cache.set(key,value);if(cache.size>128)cache.delete(cache.keys().next().value);return value;}
const escape=s=>String(s).replace(/[&<>"']/g,c=>({'&':'&','<':'<','>':'>','"':'"',"'":'''}[c]));let serial=0,diagrams;function loadDiagrams(){return diagrams||=(new Promise((resolve,reject)=>{const script=document.createElement('script');script.src='vendor/rich/diagrams.js';script.onload=()=>resolve(window.AeselDiagrams);script.onerror=reject;document.head.append(script);}));}function mathExtension(name,level,pattern){return {name,level,start:src=>{const at=src.search(level==='block'?/\$\$|\\\[/:/\$(?!\$)|\\\(/);return at<0?undefined:at;},tokenizer(src){const m=pattern.exec(src);if(m)return{type:name,raw:m[0],text:m[1]??m[2]};},renderer(token){return `<${level==='block'?'div':'span'} data-math="${level}">${escape(token.text)}</${level==='block'?'div':'span'}>`;}};}function safeSVG(source){ const clean=DOMPurify.sanitize(source,{USE_PROFILES:{svg:true,svgFilters:false},FORBID_TAGS:['style','foreignObject','image','a','animate','animateMotion','animateTransform','set'],FORBID_ATTR:['style']}); const template=document.createElement('template');template.innerHTML=clean; for(const el of template.content.querySelectorAll('*'))for(const attr of [...el.attributes])if((/href$/i.test(attr.name)&&!attr.value.startsWith('#'))||/url\(\s*[^#]/i.test(attr.value))el.removeAttribute(attr.name); return template.content.querySelector('svg');}window.renderNotebookRich=(node,text)=>{ const blocks=[]; const figures=node.richFigures||(node.richFigures=new Map()); const parser=new Marked({gfm:true,breaks:false,renderer:{ html:token=>escape(token.text), image:token=>escape(token.text||'Figure'), code:token=>{const lang=(token.lang||'').trim().split(/\s/)[0];if(['mermaid','svg'].includes(lang)&&token.text.length<30000){const id=blocks.push({lang,text:token.text})-1;return `<figure data-figure="${id}"></figure>`;}return `<pre><code data-language="${escape(lang)}">${escape(token.text)}</code></pre>`;} },extensions:[mathExtension('displayMath','block',/^(?:\$\$\s*\n?([\s\S]+?)\$\$|\\\[([\s\S]+?)\\\])(?:\n|$)/),mathExtension('inlineMath','inline',/^(?:\$(?!\$)([^$\n]+?)\$(?!\d)|\\\(([^\n]+?)\\\))/)]}); try{node.innerHTML=DOMPurify.sanitize(parser.parse(text),{USE_PROFILES:{html:true},FORBID_TAGS:['img','style','input','form','button'],FORBID_ATTR:['style']});}catch{node.textContent=text;return;} node.classList.add('rich-reply'); for(const link of node.querySelectorAll('a')){const href=link.getAttribute('href')||'';if(!/^https?:\/\//i.test(href)){link.removeAttribute('href');continue;}link.addEventListener('click',event=>{event.preventDefault();(window.easel||window.aesel).openLink(href);});} for(const code of node.querySelectorAll('pre code[data-language]')){ const language=code.dataset.language; if(code.textContent.length<=30000&&hljs.getLanguage(language)){const source=code.textContent;code.innerHTML=cached(codeCache,language+'\n'+source,()=>hljs.highlight(source,{language,ignoreIllegals:true}).value);code.classList.add('highlighted-code');} } for(const formula of node.querySelectorAll('[data-math]')){ try{const source=formula.textContent;if(source.length>8000)continue;formula.innerHTML=cached(mathCache,formula.dataset.math+'\n'+source,()=>katex.renderToString(source,{displayMode:formula.dataset.math==='block',throwOnError:false,trust:false,maxSize:20,maxExpand:500,strict:'ignore'}));}catch{} } const changed=()=>{window.placeNotebookActivity?.();window.alignNotebookRuling?.();}; for(const figure of node.querySelectorAll('[data-figure]')){ const block=blocks[Number(figure.dataset.figure)];if(!block)continue; figure.setAttribute('aria-label',block.lang==='mermaid'?'Diagram':'Figure'); const fallback=document.createElement('pre');fallback.textContent=block.text;figure.append(fallback); if(block.lang==='svg'){const svg=safeSVG(block.text);if(svg){svg.setAttribute('role','img');figure.replaceChildren(svg);}continue;} const key=figure.dataset.figure+'\n'+block.text; if(figures.has(key)){figure.replaceChildren(figures.get(key).cloneNode(true));continue;} const id=`aesel-diagram-${++serial}`; // Render only complete fences, after streaming settles. Stale results never replace newer text. setTimeout(async()=>{if(!figure.isConnected)return;try{const api=await loadDiagrams();const result=await api.render(id,block.text);if(!figure.isConnected)return;const svg=safeSVG(result.svg);if(svg){svg.setAttribute('role','img');figures.set(key,svg.cloneNode(true));if(figures.size>16)figures.delete(figures.keys().next().value);figure.replaceChildren(svg);changed();}}catch{document.getElementById(id)?.remove();document.getElementById('d'+id)?.remove();}},300); }};