feat(showcase): 트웬티온스 사이트를 전면 개편한다

apps/site/tools/build-showcase-assets.mjs

@@ -0,0 +1,48 @@
+import { build } from "esbuild";
+import fs from "node:fs";
+import path from "node:path";
+import url from "node:url";
+import zlib from "node:zlib";
+
+const here = path.dirname(url.fileURLToPath(import.meta.url));
+const root = path.resolve(here, "..");
+const entry = path.join(root, "src", "showcases", "twentyoz-core.js");
+const outDir = path.join(root, "public", "work", "twentyoz-corp", "assets");
+const outputFile = path.join(outDir, "core.iife.js");
+const check = process.argv.includes("--check");
+
+const result = await build({
+  absWorkingDir: root,
+  entryPoints: [entry],
+  outfile: outputFile,
+  bundle: true,
+  platform: "browser",
+  format: "iife",
+  globalName: "TwentyozCore",
+  target: ["es2020"],
+  minify: true,
+  treeShaking: true,
+  legalComments: "eof",
+  sourcemap: false,
+  write: false,
+});
+
+const output = result.outputFiles?.find((item) => path.resolve(item.path) === path.resolve(outputFile));
+if (!output) throw new Error("twentyoz core bundle output not found");
+const generated = Buffer.from(output.contents);
+const gzipBytes = zlib.gzipSync(generated, { level: 9 }).byteLength;
+const maxGzipBytes = 200 * 1024;
+if (gzipBytes > maxGzipBytes) {
+  throw new Error(`twentyoz WebGL bundle ${gzipBytes}B gzip exceeds ${maxGzipBytes}B budget`);
+}
+
+if (check) {
+  if (!fs.existsSync(outputFile)) throw new Error("twentyoz core bundle is missing; run npm run build:showcase-assets");
+  const current = fs.readFileSync(outputFile);
+  if (!current.equals(generated)) throw new Error("twentyoz core bundle is stale; run npm run build:showcase-assets");
+} else {
+  fs.mkdirSync(outDir, { recursive: true });
+  fs.writeFileSync(outputFile, generated);
+}
+
+console.log(`twentyoz core ${generated.byteLength}B raw · ${gzipBytes}B gzip · budget ${maxGzipBytes}B`);