Import source: app/scripts/compress-dist.mjs

Import the existing local project snapshot. This commit organizes existing files; it does not represent newly developed functionality.

app/scripts/compress-dist.mjs

@@ -0,0 +1,46 @@
+#!/usr/bin/env node
+/**
+ * Pre-compress all compressible assets in dist/ with gzip and brotli.
+ * nginx gzip_static + brotli_static serve these files directly from disk
+ * with zero CPU overhead per request.
+ */
+
+import { brotliCompressSync, constants, gzipSync } from 'node:zlib';
+import { readFileSync, readdirSync, statSync, writeFileSync } from 'node:fs';
+import { join, extname } from 'node:path';
+
+const DIST = new URL('../dist', import.meta.url).pathname;
+const EXTS = new Set(['.js', '.css', '.html', '.xml', '.json', '.svg', '.txt', '.woff2']);
+
+function walk(dir) {
+  const results = [];
+  for (const entry of readdirSync(dir)) {
+    if (entry.endsWith('.gz') || entry.endsWith('.br')) continue;
+    const full = join(dir, entry);
+    const st = statSync(full);
+    if (st.isDirectory()) results.push(...walk(full));
+    else if (EXTS.has(extname(entry))) results.push(full);
+  }
+  return results;
+}
+
+const files = walk(DIST);
+let gz = 0; let br = 0;
+
+for (const f of files) {
+  const source = readFileSync(f);
+  try {
+    writeFileSync(`${f}.gz`, gzipSync(source, { level: 9 }));
+    gz++;
+  } catch {}
+  try {
+    writeFileSync(`${f}.br`, brotliCompressSync(source, {
+      params: {
+        [constants.BROTLI_PARAM_QUALITY]: 9,
+      },
+    }));
+    br++;
+  } catch {}
+}
+
+console.log(`[compress] gzip: ${gz} files, brotli: ${br} files`);