diff --git a/.w4c/workflows/ci-build.sh b/.w4c/workflows/ci-build.sh
new file mode 100644
index 0000000..61d2aca
--- /dev/null
+++ b/.w4c/workflows/ci-build.sh
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+set -euo pipefail
+npm ci
+echo '→ lint'
+npm run lint
+echo '→ test'
+npm test -- --run
+echo '→ build'
+npm run build