fix: bundle a2ui before tests

scripts/bundle-a2ui.sh

@@ -27,23 +27,49 @@ INPUT_PATHS=(
   "$A2UI_APP_DIR"
 )
 
-collect_files() {
-  local path
-  for path in "${INPUT_PATHS[@]}"; do
-    if [[ -d "$path" ]]; then
-      find "$path" -type f -print0
-    else
-      printf '%s\0' "$path"
-    fi
-  done
+compute_hash() {
+  ROOT_DIR="$ROOT_DIR" node --input-type=module - "${INPUT_PATHS[@]}" <<'NODE'
+import { createHash } from "node:crypto";
+import { promises as fs } from "node:fs";
+import path from "node:path";
+
+const rootDir = process.env.ROOT_DIR ?? process.cwd();
+const inputs = process.argv.slice(2);
+const files = [];
+
+async function walk(entryPath) {
+  const st = await fs.stat(entryPath);
+  if (st.isDirectory()) {
+    const entries = await fs.readdir(entryPath);
+    for (const entry of entries) {
+      await walk(path.join(entryPath, entry));
+    }
+    return;
+  }
+  files.push(entryPath);
 }
 
-compute_hash() {
-  collect_files \
-    | LC_ALL=C sort -z \
-    | xargs -0 shasum -a 256 \
-    | shasum -a 256 \
-    | awk '{print $1}'
+for (const input of inputs) {
+  await walk(input);
+}
+
+function normalize(p) {
+  return p.split(path.sep).join("/");
+}
+
+files.sort((a, b) => normalize(a).localeCompare(normalize(b)));
+
+const hash = createHash("sha256");
+for (const filePath of files) {
+  const rel = normalize(path.relative(rootDir, filePath));
+  hash.update(rel);
+  hash.update("\0");
+  hash.update(await fs.readFile(filePath));
+  hash.update("\0");
+}
+
+process.stdout.write(hash.digest("hex"));
+NODE
 }
 
 current_hash="$(compute_hash)"