62 lines
3.7 KiB
JavaScript
62 lines
3.7 KiB
JavaScript
import {cp, lstat, mkdir, readFile, realpath, rm, writeFile} from 'node:fs/promises';
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import {basename, join, relative, resolve, sep} from 'node:path';
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import {fileURLToPath} from 'node:url';
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const projectRoot=fileURLToPath(new URL('../',import.meta.url));
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/** Assemble a relocatable release; only the selected public environment profile is shipped. */
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export async function packageStandalone(environment,{root=projectRoot}={}) {
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if(!['test','production'].includes(environment))throw new Error('Usage: node scripts/package-standalone.mjs test|production');
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root=await realpath(root);
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const build=environment==='test'?'.next-test':'.next';
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const dist=join(root,'dist'),destination=join(dist,environment),source=join(root,build,'standalone');
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async function directory(path,optional=false) {
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const info=await lstat(path).catch(error=>{if(optional&&error.code==='ENOENT')return null;throw error;});
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if(info&&(!info.isDirectory()||info.isSymbolicLink()||await realpath(path)!==path))throw new Error(`Unsafe release directory: ${path}`);
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}
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for(const path of [join(root,build),source])await directory(path);
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for(const file of [join(source,'server.js'),join(source,build,'BUILD_ID'),join(root,'config',environment+'.env')]) {
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if(!(await lstat(file)).isFile()||!(await readFile(file)).length)throw new Error(`Missing release file: ${file}`);
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}
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await directory(dist,true);await mkdir(dist,{recursive:true});await directory(destination,true);
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// A fixed dist/<environment> is the only location removed by this command.
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await rm(destination,{recursive:true,force:true});
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const filter=async path=>{
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const name=basename(path);
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if(name.startsWith('.env')||name.endsWith('.local.env')||name.startsWith('._')||name==='.DS_Store'||name.endsWith('.log'))return false;
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// Dynamic filesystem reads can make Next trace sibling build/cache/test directories.
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// Keep this project's runtime roots, never recursively include earlier dist releases.
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if(path.startsWith(source+sep)&&!['server.js','package.json','package-lock.json',build,'node_modules','src'].includes(relative(source,path).split(sep)[0]))return false;
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if(path===join(source,build,'cache'))return false;
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if((await lstat(path)).isSymbolicLink())throw new Error(`Release source contains a symbolic link: ${path}`);
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return true;
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};
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await cp(source,destination,{recursive:true,filter});
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for(const [from,to] of [[join(root,'public'),'public'],[join(root,build,'static'),build+'/static'],
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[join(root,'node_modules/dotenv'),'node_modules/dotenv']]) {
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await cp(from,join(destination,to),{recursive:true,filter});
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}
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await mkdir(join(destination,'config'),{recursive:true});await mkdir(join(destination,'scripts'),{recursive:true});
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for(const file of ['package.json','package-lock.json','scripts/next-env.mjs','scripts/check-health.mjs','config/'+environment+'.env']) {
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await cp(join(root,file),join(destination,file));
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}
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await writeFile(join(destination,'start.mjs'),`import {fileURLToPath} from 'node:url';
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import {nextCommand} from './scripts/next-env.mjs';
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const root=fileURLToPath(new URL('./',import.meta.url));
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process.chdir(root);
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const {env}=nextCommand(${JSON.stringify(environment)},'start',[],{root});
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Object.assign(process.env,env);
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process.env.HOSTNAME=process.env.HOSTNAME||'0.0.0.0';
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await import('./server.js');
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`);
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console.log(`Standalone release ready: ${destination}`);
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return destination;
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}
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if(process.argv[1]&&resolve(process.argv[1])===fileURLToPath(import.meta.url)) {
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try {
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if(process.argv.length!==3)throw new Error('Usage: node scripts/package-standalone.mjs test|production');
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await packageStandalone(process.argv[2]);
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}catch(error){console.error(error.message);process.exitCode=1;}
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}
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