pixel-serve-server/dist/index.mjs

A robust Node.js utility for handling and processing images. This package provides features like resizing, format conversion and etc.

import U from"node:path";import T from"sharp";import{readFile as x}from"node:fs/promises";var j=new URL("./assets/noimage.jpg",import.meta.url).pathname,A=new URL("./assets/noavatar.png",import.meta.url).pathname,d={normal:async()=>x(j),avatar:async()=>x(A)},h=/^\/api\/v1\//,F=["jpeg","jpg","png","webp","gif","tiff","avif","svg"],w={jpeg:"image/jpeg",jpg:"image/jpeg",png:"image/png",webp:"image/webp",gif:"image/gif",tiff:"image/tiff",avif:"image/avif",svg:"image/svg+xml"};import n from"node:path";import*as l from"node:fs/promises";import q from"axios";var R=async(t,r)=>{try{if(!t||!r||r.includes("\0")||n.isAbsolute(r)||!/^[^\x00-\x1F]+$/.test(r))return!1;let a=n.resolve(t),i=n.resolve(a,r),[e,s]=await Promise.all([l.realpath(a),l.realpath(i)]);if(!(await l.stat(e)).isDirectory())return!1;let g=e+n.sep,c=(s+n.sep).startsWith(g)||s===e,f=n.relative(e,s);return!f.startsWith("..")&&!n.isAbsolute(f)&&c}catch{return!1}},E=async(t,r="normal")=>{try{let a=await q.get(t,{responseType:"arraybuffer",timeout:5e3}),i=a.headers["content-type"]?.toLowerCase();return Object.values(w).includes(i??"")?Buffer.from(a.data):await d[r]()}catch{return await d[r]()}},I=async(t,r,a="normal")=>{if(!await R(r,t))return await d[a]();try{return await l.readFile(n.resolve(r,t))}catch{return await d[a]()}},b=(t,r,a,i="normal",e=h,s=[])=>{let o=new URL(t);if([a,`www.${a}`].includes(o.host)){let m=o.pathname.replace(e,"");return I(m,r,i)}else return s.includes(o.host)?E(t,i):d[i]()};var v=t=>({...{baseDir:"",idHandler:a=>a,getUserFolder:async()=>"",websiteURL:"",apiRegex:h,allowedNetworkList:[]},...t}),O=t=>({...{quality:80,format:"jpeg",src:"/placeholder/noimage.jpg",folder:"public",type:"normal",width:void 0,height:void 0,userId:void 0},...t,quality:t.quality?Math.min(Math.max(Number(t.quality)||80,1),100):100,width:t.width?Math.min(Math.max(Number(t.width),50),2e3):void 0,height:t.height?Math.min(Math.max(Number(t.height),50),2e3):void 0});var D=async(t,r,a,i)=>{try{let e=O(t.query),s=v(i),o,g=s.baseDir,m;if(e.userId){let p=typeof e.userId=="object"?String(Object.values(e.userId)[0]):String(e.userId);s.idHandler?m=s.idHandler(p):m=p}if(e.folder==="private"){let p=await s?.getUserFolder?.(t,m);p&&(g=p)}let c=F.includes(e?.format?.toLowerCase())?e?.format?.toLowerCase():"jpeg";e?.src?.startsWith("http")?o=await b(e?.src??"",g,s?.websiteURL??"",e?.type,s?.apiRegex,s?.allowedNetworkList):o=await I(e?.src??"",g,e?.type);let f=T(o);if(e?.width||e?.height){let p={width:e?.width??void 0,height:e?.height??void 0,fit:T.fit.cover};f=f.resize(p)}let L=await f.toFormat(c,{quality:e?.quality?Number(e?.quality):80}).toBuffer(),N=`${U.basename(e?.src??"",U.extname(e?.src??""))}.${c}`;r.type(w[c]),r.setHeader("Content-Disposition",`inline; filename="${N}"`),r.send(L)}catch(e){a(e)}},M=t=>async(r,a,i)=>D(r,a,i,t),P=M;export{R as isValidPath,P as registerServe};
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