fix: land #569 (thanks @bjesuiter)

scripts/ci-sanitize-output.mjs

@@ -0,0 +1,37 @@
+import { spawn } from "node:child_process";
+
+function sanitizeBuffer(input) {
+  const out = Buffer.allocUnsafe(input.length);
+  for (let i = 0; i < input.length; i++) {
+    const b = input[i];
+    // Keep: tab/newline/carriage return + printable ASCII; replace everything else.
+    out[i] = b === 9 || b === 10 || b === 13 || (b >= 32 && b <= 126) ? b : 63;
+  }
+  return out;
+}
+
+const [command, ...args] = process.argv.slice(2);
+if (!command) {
+  process.stderr.write(
+    "Usage: node scripts/ci-sanitize-output.mjs <cmd> [args...]\n",
+  );
+  process.exit(2);
+}
+
+const child = spawn(command, args, {
+  stdio: ["ignore", "pipe", "pipe"],
+  shell: process.platform === "win32",
+});
+
+child.stdout.on("data", (chunk) => {
+  process.stdout.write(sanitizeBuffer(Buffer.from(chunk)));
+});
+
+child.stderr.on("data", (chunk) => {
+  process.stderr.write(sanitizeBuffer(Buffer.from(chunk)));
+});
+
+child.on("exit", (code, signal) => {
+  if (signal) process.exit(1);
+  process.exit(code ?? 1);
+});