perf: reduce 3D runtime artifacts (#7)

2026-07-29 11:04:42 +09:00
parent fc2871ce4c
commit 0c656808e0
20 changed files with 148 additions and 309 deletions
@@ -0,0 +1,75 @@
+import { createHash } from 'node:crypto';
+import { existsSync, readdirSync, readFileSync, statSync } from 'node:fs';
+import { dirname, relative, resolve, sep } from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+const projectRoot = resolve(dirname(fileURLToPath(import.meta.url)), '..');
+const distRoot = resolve(projectRoot, 'apps/viewer-3d/dist');
+const maxDistBytes = 9_000_000;
+
+function listFiles(directory) {
+  return readdirSync(directory, { withFileTypes: true }).flatMap((entry) => {
+    const path = resolve(directory, entry.name);
+    return entry.isDirectory() ? listFiles(path) : [path];
+  });
+}
+
+function toRelative(path) {
+  return relative(distRoot, path).split(sep).join('/');
+}
+
+if (!existsSync(distRoot)) {
+  throw new Error('3D production dist가 없습니다. 먼저 npm run build를 실행하세요.');
+}
+
+const files = listFiles(distRoot);
+const relativeFiles = files.map(toRelative);
+const totalBytes = files.reduce((sum, path) => sum + statSync(path).size, 0);
+const failures = [];
+
+for (const path of relativeFiles) {
+  if (path.endsWith('.map')) failures.push(`production source map 포함: ${path}`);
+  if (path === 'web-ifc/web-ifc-mt.wasm') {
+    failures.push(`미사용 multi-thread IFC WASM 포함: ${path}`);
+  }
+  if (path.startsWith('draco/') || path.startsWith('basis/')) {
+    failures.push(`Three.js bundled decoder의 public 중복 포함: ${path}`);
+  }
+}
+
+for (const pattern of [
+  /^assets\/draco_decoder-.+\.wasm$/,
+  /^assets\/basis_transcoder-.+\.wasm$/,
+  /^web-ifc\/web-ifc\.wasm$/,
+]) {
+  if (!relativeFiles.some((path) => pattern.test(path))) {
+    failures.push(`필수 runtime artifact 누락: ${pattern}`);
+  }
+}
+
+const hashes = new Map();
+for (const path of files) {
+  if (statSync(path).size < 50_000) continue;
+  const hash = createHash('sha256').update(readFileSync(path)).digest('hex');
+  const paths = hashes.get(hash) ?? [];
+  paths.push(toRelative(path));
+  hashes.set(hash, paths);
+}
+for (const paths of hashes.values()) {
+  if (paths.length > 1) failures.push(`50 kB 이상 중복 artifact: ${paths.join(', ')}`);
+}
+
+if (totalBytes > maxDistBytes) {
+  failures.push(
+    `3D production dist budget 초과: ${totalBytes} bytes > ${maxDistBytes} bytes`,
+  );
+}
+
+if (failures.length > 0) {
+  console.error(failures.map((failure) => `- ${failure}`).join('\n'));
+  process.exitCode = 1;
+} else {
+  console.log(
+    `[artifact-check] ${relativeFiles.length} files, ${totalBytes} bytes, duplicate 0`,
+  );
+}