From e1e351d95633ea997c4caf20b65124f30a6e17b2 Mon Sep 17 00:00:00 2001
From: tophf <tophf@gmx.com>
Date: Sat, 6 Aug 2022 23:35:01 +0300
Subject: [PATCH] report network failures in build-vendor

---
 tools/build-vendor.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/build-vendor.js b/tools/build-vendor.js
index 8f2ec5e7..b4d2d87c 100644
--- a/tools/build-vendor.js
+++ b/tools/build-vendor.js
@@ -93,7 +93,9 @@ async function buildFiles(pkg, flatPkg, patterns) {
     pattern = pattern.replace('{VERSION}', require(`${pkg}/package.json`).version);
     const [src, dest = !keepDirs && getFileName(src)] = pattern.split(/\s*->\s*/);
     if (/^https?:/.test(src)) {
-      fse.outputFileSync(`vendor/${flatPkg}/${dest}`, await (await fetch(src)).text());
+      const req = await fetch(src);
+      if (req.status >= 400) throw new Error(`Network error ${req.status} for ${src}`);
+      fse.outputFileSync(`vendor/${flatPkg}/${dest}`, await req.text());
       fetched += `* ${dest}: ${src}\n`;
     } else {
       const files = glob(`node_modules/${pkg}/${src}`);