refactor(tooling): [MOD-02] split library build and development into typed modules

scripts/library/rebuild.ts

@@ -0,0 +1,16 @@
+export function createRebuildQueue(build: () => void | Promise<void>): () => Promise<void> {
+  let pending = false
+  let active: Promise<void> | undefined
+  return () => {
+    pending = true
+    if (!active) {
+      active = Promise.resolve().then(async () => {
+        while (pending) {
+          pending = false
+          await build()
+        }
+      }).finally(() => { active = undefined })
+    }
+    return active
+  }
+}