Web Dev Solutions

Catalin Mititiuc

import * as esbuild from 'esbuild'; import * as fs from 'node:fs'; import http from 'node:http'; import path from 'node:path'; import { JSDOM } from 'jsdom'; const __dirname = path.dirname(new URL(import.meta.url).pathname); const colors = { reset: '\x1b[0m', dim: '\x1b[2m', bright: '\x1b[1m', normal: '\x1b[22m', red: '\x1b[31m', green: '\x1b[32m', yellow: '\x1b[33m', }; const mime = { '.svg': 'image/svg+xml; charset=utf-8', '.png': 'image/png', '.jpg': 'image/jpeg', '.css': 'text/css; charset=utf-8', '.html': 'text/html; charset=utf-8', }; const importSvg = { name: 'importSvg', setup(build) { const regex = new RegExp(/\.svg$/); build.onResolve({ filter: /\*\.svg$/ }, args => { console.log('onresolve', args); return { path: path.join('public', 'assets', args.path), namespace: 'svg-stub' } }); build.onLoad({ filter: /\.svg$/, namespace: 'svg-stub' }, async (args) => { console.log('onload', args); const svgs = fs.readdirSync(path.resolve(path.dirname(args.path))).filter(fn => regex.test(fn));; console.log(svgs); console.log('resolved path', path.join(path.dirname(args.path), 'mapsheets.svg')); console.log('cwd', process.cwd()); // const contents = `import mapsheets from ./${path.join(path.dirname(args.path), 'mapsheets.svg')}; // console.log('mapsheets', mapsheets); // export default mapsheets;`; // const contents = ` // import svg from '/usr/src/app/public/assets/images/scenario-side_show.svg'; // export default svg; // `; // const contents = ` // import svg from '/usr/src/app/public/assets/images/scenario-side_show.svg'; // export default svg; // `; // const contents = ` // export { default as scenario_sideShow } from '/usr/src/app/public/assets/images/scenario-side_show.svg'; // export { default as mapsheets } from '/usr/src/app/public/assets/images/mapsheets.svg'; // `; const contents = ` // export { default as countorLines } from './contour-lines.svg'; export { default as mapsheets } from './mapsheets.svg'; `; console.log('resolveDir', path.dirname(args.path)); console.log('contents', contents); return { contents: contents, resolveDir: path.dirname(args.path) //'./public/assets/images' } }); // build.onLoad({ filter: /.*/, namespace: 'svg-stub' }, async (args) => ({ // contents: `import svg from ${JSON.stringify(args.path)} // export default (imports) => // WebAssembly.instantiate(wasm, imports).then( // result => result.instance.exports)`, // })); } }; const svgUseCacheBust = { name: 'svgUseCacheBust', setup(build) { const regex = new RegExp('mapsheets\..+\.svg'); build.onStart(() => { console.log("BUILD START"); // const version = Date.now(); // const file = fs.readFileSync('./src/scenario-side_show.svg', { encoding: 'utf-8' }); // const newFile = file.replaceAll('%%VERSION%%', version); // fs.writeFileSync('./public/assets/images/scenario-side_show.svg', newFile); // const files = fs.readdirSync('./public/assets/images').filter(fn => regex.test(fn)); // files.forEach(fn => fs.unlinkSync(`./public/assets/images/${fn}`)); // fs.copyFileSync('./public/assets/images/mapsheets.svg', `./public/assets/images/mapsheets.${version}.svg`); }) } }; const resolveImportedSvg = { name: 'resolveImportedSvg', setup(build) { build.onStart(() => { console.log("BUILD STARTED"); }); build.onResolve({ filter: /\.svg$/ }, args => { return { path: path.resolve('public', args.path), }; }); } } const externalSvgToInternal = { name: 'externalSvgToInternal', setup(build) { build.onLoad({ filter: /\.svg$/ }, async (args) => { const document = (await JSDOM.fromFile(args.path)).window.document; const externalResourceEls = Array.from(document.querySelectorAll('use[href*=".svg"')); const refs = externalResourceEls.reduce((acc, el) => { const href = el.getAttributeNS(null, 'href'); const [filename] = href.match(/.+\.svg/); const fragmentIdentifier = href.split('.svg').pop(); (acc[filename] ??= new Set()).add(fragmentIdentifier); el.setAttributeNS(null, 'href', fragmentIdentifier); return acc; }, {}); await Promise.all( Object.keys(refs).map(filename => JSDOM.fromFile(path.join(path.dirname(args.path), filename))) ).then(result => { const defs = document.querySelector('defs'); Object.keys(refs).forEach((filename, index) => { const external = result[index].window.document; refs[filename].forEach(fragmentIdentifier => { external .querySelectorAll(`${fragmentIdentifier} use`) .forEach(el => refs[filename].add(el.getAttributeNS(null, 'href'))); }); const refsQuery = [...refs[filename]].join(', '); external.querySelectorAll(refsQuery).forEach(node => defs.appendChild(node)); }); }); return { contents: `\n${document.querySelector('svg').outerHTML}`, loader: 'file', watchFiles: Object.keys(refs).map(filename => path.join(path.dirname(args.path), filename)) } }); } } const ctx = await esbuild.context({ entryPoints: ['src/index.js', 'src/soldier_record_block.js', 'src/map.js'], bundle: true, outdir: 'build', plugins: [resolveImportedSvg, externalSvgToInternal], loader: { '.svg': 'file' }, assetNames: 'assets/images/[name]-[hash]', }); await ctx.watch(); const { host, port } = await ctx.serve({ servedir: 'build', port: 3000, // onRequest: function({ remoteAddress, method, path, status, timeInMS }) { // let statusColor = colors.red; // if (status >= 200 && status <= 299) { // statusColor = colors.green; // } else if (status >= 300 && status <= 399) { // statusColor = colors.yellow; // } // console.log(`${colors.dim}${remoteAddress} - "${method} ${path}" ${colors.normal}${statusColor}${status}${colors.reset}${colors.dim} [${timeInMS}ms]${colors.reset}`); // }, }); http.createServer((req, res) => { const options = { hostname: host, port: port, path: req.url, method: req.method, headers: req.headers, } const filename = req.url && req.url !== '/' ? req.url : 'index.html'; const filepath = path.join(__dirname, 'public', filename); if (fs.existsSync(filepath)) { const readStream = fs.createReadStream(filepath, { autoClose: true }); readStream.on('ready', () => { const type = mime[path.parse(filepath).ext] || 'application/octet-stream'; console.log(`${req.method} ${req.url} => 200 ${type}`); res.writeHead(200, { 'content-type': type }); readStream.pipe(res, { end: true }); }); readStream.on('error', err => { console.log(`${req.method} ${req.url} => 500 ${filepath} ${err.name}`); res.writeHead(500, err.name); res.end(JSON.stringify(err)); }); } else { const proxyReq = http.request(options, proxyRes => { const type = proxyRes.headers['content-type']; console.log(`${req.method} ${req.url} => ${proxyRes.statusCode} ${type} via esbuild`); res.writeHead(proxyRes.statusCode, { 'content-type': type }); proxyRes.pipe(res); }); req.pipe(proxyReq, { end: true }); } }).listen(8080);