✨ Quality: Create BundleLinker utility to track and propagate bundle additions across template renders

src/Util/BundleLinker.js

@@ -0,0 +1,45 @@
+import debugUtil from "debug";
+
+const debug = debugUtil("Eleventy:BundleLinker");
+
+class BundleLinker {
+	#additions = new Map();
+
+	record(key, additions) {
+		if (!additions || additions.length === 0) {
+			return;
+		}
+		if (!this.#additions.has(key)) {
+			this.#additions.set(key, []);
+		}
+		for (let addition of additions) {
+			this.#additions.get(key).push(addition);
+		}
+		debug("Recorded %d bundle additions for key %o", additions.length, key);
+	}
+
+	replay(key, bundleManager) {
+		if (!this.#additions.has(key)) {
+			return;
+		}
+		let additions = this.#additions.get(key);
+		debug("Replaying %d bundle additions for key %o", additions.length, key);
+		for (let addition of additions) {
+			bundleManager.addToBundle(addition.bucket, addition.content, addition.urlOverride);
+		}
+	}
+
+	has(key) {
+		return this.#additions.has(key);
+	}
+
+	delete(key) {
+		this.#additions.delete(key);
+	}
+
+	clear() {
+		this.#additions.clear();
+	}
+}
+
+export { BundleLinker };