diff --git a/build.js b/build.js new file mode 100644 index 0000000..b843a5c --- /dev/null +++ b/build.js @@ -0,0 +1,172 @@ +#!/usr/bin/env node +// build.js -- SunScope production bundler +// +// Usage: node build.js OR npm run build +// +// What it does: +// 1. Bundles + minifies JS (entry: assets/js/main.js) -> dist/assets/bundle.min.js +// 2. Resolves CSS @imports + minifies -> dist/assets/bundle.min.css +// 3. Copies index.html / about.html to dist/, rewriting script+link tags +// 4. Copies static files (images, robots.txt, sitemap.xml) +// +// Dev files are NEVER touched. Deploy from dist/ for production. + +import * as esbuild from 'esbuild'; +import * as fs from 'fs'; +import * as os from 'os'; +import * as path from 'path'; +import { fileURLToPath } from 'url'; + +const __dirname = path.dirname(fileURLToPath(import.meta.url)); +const ROOT = __dirname; +const DIST = path.join(ROOT, 'dist'); +const ASSETS = path.join(DIST, 'assets'); + +// ---- Helpers --------------------------------------------------------------- + +function copyFile(src, dest) { + fs.mkdirSync(path.dirname(dest), { recursive: true }); + fs.copyFileSync(src, dest); +} + +// Delete specific output files without trying to rmdir the folders +// (rmdir on Windows-mounted paths can fail inside Linux sandboxes) +function cleanDist() { + const targets = [ + path.join(ASSETS, 'bundle.min.js'), + path.join(ASSETS, 'bundle.min.css'), + path.join(DIST, 'index.html'), + path.join(DIST, 'about.html'), + path.join(ASSETS, '_tmp_flat.css'), + ]; + for (const f of targets) { + try { fs.unlinkSync(f); } catch (_) { /* ok if missing */ } + } +} + +// Recursively resolve CSS @import statements into one flat string +function resolveCSSImports(filePath, visited = new Set()) { + const resolved = path.resolve(filePath); + if (visited.has(resolved)) return ''; + visited.add(resolved); + const dir = path.dirname(resolved); + const content = fs.readFileSync(resolved, 'utf8'); + return content.replace(/@import\s+["']([^"']+)["'];?/g, (_, importPath) => { + const importFile = path.join(dir, importPath); + if (!fs.existsSync(importFile)) { + console.warn(' WARNING: CSS @import not found: ' + importFile); + return ''; + } + return resolveCSSImports(importFile, visited); + }); +} + +// Short cache-buster string +function bumpVersion() { + return Math.floor(Date.now() / 1000).toString(36); +} + +// Swap dev asset tags in HTML for bundle tags +function rewriteHTML(html, version) { + html = html.replace(/]*href=["'][^"']*assets\/[^"']*\.css[^"']*["'][^>]*>/gi, ''); + html = html.replace(/]*src=["'][^"']*assets\/js\/[^"']*["'][^>]*><\/script>/gi, ''); + const css = ' '; + const js = ' '; + html = html.replace('', css + '\n' + js + '\n'); + return html; +} + +// esbuild plugin: strips JSX block comments {/* ... */} that may contain +// backticks or other characters that trip up esbuild's JS parser. +// Safe to remove -- these are only developer notes, never runtime code. +const stripJSXCommentsPlugin = { + name: 'strip-jsx-comments', + setup(build) { + build.onLoad({ filter: /\.js$/ }, async (args) => { + let source = await fs.promises.readFile(args.path, 'utf8'); + // Remove {/* ... */} comment blocks (non-greedy, dotAll) + source = source.replace(/\{\/\*[\s\S]*?\*\/\}/g, ''); + return { contents: source, loader: 'js' }; + }); + }, +}; + +// ---- Main ------------------------------------------------------------------ + +async function build() { + const t0 = Date.now(); + console.log('SunScope build starting...'); + + cleanDist(); + fs.mkdirSync(ASSETS, { recursive: true }); + console.log(' Output dir ready: dist/'); + + // 2. Bundle + minify JavaScript + console.log(' Bundling JS...'); + await esbuild.build({ + entryPoints: [path.join(ROOT, 'assets/js/main.js')], + bundle: true, + minify: true, + format: 'iife', + globalName: 'SunScope', + outfile: path.join(ASSETS, 'bundle.min.js'), + logLevel: 'warning', + plugins: [stripJSXCommentsPlugin], + }); + const jsSize = fs.statSync(path.join(ASSETS, 'bundle.min.js')).size; + console.log(' JS bundle: ' + (jsSize / 1024).toFixed(1) + ' KB'); + + // 3. Resolve CSS @imports then minify + console.log(' Bundling CSS...'); + const flatCSS = resolveCSSImports(path.join(ROOT, 'assets/sunscope.css')); + const tmpCSS = path.join(os.tmpdir(), '_sunscope_flat.css'); + fs.writeFileSync(tmpCSS, flatCSS, 'utf8'); + await esbuild.build({ + entryPoints: [tmpCSS], + bundle: false, + minify: true, + outfile: path.join(ASSETS, 'bundle.min.css'), + logLevel: 'warning', + }); + fs.unlinkSync(tmpCSS); + const cssSize = fs.statSync(path.join(ASSETS, 'bundle.min.css')).size; + console.log(' CSS bundle: ' + (cssSize / 1024).toFixed(1) + ' KB'); + + // 4. Process HTML files + console.log(' Processing HTML...'); + const version = bumpVersion(); + for (const htmlFile of ['index.html', 'about.html']) { + const src = path.join(ROOT, htmlFile); + if (!fs.existsSync(src)) continue; + const updated = rewriteHTML(fs.readFileSync(src, 'utf8'), version); + fs.writeFileSync(path.join(DIST, htmlFile), updated, 'utf8'); + console.log(' -> ' + htmlFile); + } + + // 5. Copy static files + console.log(' Copying static files...'); + for (const f of ['robots.txt', 'sitemap.xml', 'og-image.png']) { + const src = path.join(ROOT, f); + if (fs.existsSync(src)) { + copyFile(src, path.join(DIST, f)); + console.log(' -> ' + f); + } + } + + const elapsed = ((Date.now() - t0) / 1000).toFixed(2); + console.log(''); + console.log('========================================'); + console.log(' Build complete in ' + elapsed + 's'); + console.log(' Output: dist/'); + console.log(' JS: ' + (jsSize / 1024).toFixed(1) + ' KB'); + console.log(' CSS: ' + (cssSize / 1024).toFixed(1) + ' KB'); + console.log('========================================'); + console.log(' Deploy the dist/ folder to production.'); + console.log(' Dev files in assets/ are untouched.'); + console.log('========================================'); +} + +build().catch(err => { + console.error('Build failed: ' + err.message); + process.exit(1); +}); diff --git a/package-lock.json b/package-lock.json new 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