Initial commit 🚀

.design-sync/ds-src/cx.ts

@@ -0,0 +1,5 @@
+// Joins class names, dropping anything falsy. Every class this package emits is
+// a primitive that already exists in the site's own stylesheet - these
+// components add no CSS of their own, so the look can never drift from the site.
+export const cx = (...parts: Array<string | false | null | undefined>): string =>
+  parts.filter(Boolean).join(' ');