From 7a52ddeba2a68388b544f529d2d92104420f77b0 Mon Sep 17 00:00:00 2001
From: Shipwreckt <me@shipwreckt.co.uk>
Date: Fri, 31 Oct 2025 20:02:14 +0000
Subject: Changed from static to 11ty!

---
 .../@11ty/eleventy/src/Util/AsyncEventEmitter.js   | 88 ++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 node_modules/@11ty/eleventy/src/Util/AsyncEventEmitter.js

(limited to 'node_modules/@11ty/eleventy/src/Util/AsyncEventEmitter.js')

diff --git a/node_modules/@11ty/eleventy/src/Util/AsyncEventEmitter.js b/node_modules/@11ty/eleventy/src/Util/AsyncEventEmitter.js
new file mode 100644
index 0000000..0bc471f
--- /dev/null
+++ b/node_modules/@11ty/eleventy/src/Util/AsyncEventEmitter.js
@@ -0,0 +1,88 @@
+import { EventEmitter } from "node:events";
+
+/**
+ * This class emits events asynchronously.
+ *
+ * Note that Eleventy has two separate event emitter instances it uses:
+ * 1. a userland one (UserConfig.js)
+ * 2. a global one for internals (EventBus.js)
+ */
+class AsyncEventEmitter extends EventEmitter {
+	#handlerMode = "parallel";
+
+	// TypeScript slop
+	constructor(...args) {
+		super(...args);
+	}
+
+	reset() {
+		// `eleventy#` event type listeners are removed at the start of each build (singletons)
+		for (let type of this.eventNames()) {
+			if (typeof type === "string" && type.startsWith("eleventy#")) {
+				this.removeAllListeners(type);
+			}
+		}
+
+	}
+
+	/**
+	 * @param {string} type - The event name to emit.
+	 * @param {...*} args - Additional arguments that get passed to listeners.
+	 * @returns {Promise} - Promise resolves once all listeners were invoked
+	 */
+	/** @ts-expect-error */
+	async emit(type, ...args) {
+		let listeners = this.listeners(type);
+		if (listeners.length === 0) {
+			return [];
+		}
+
+		if (this.#handlerMode == "sequential") {
+			const result = [];
+			for (const listener of listeners) {
+				const returnValue = await listener.apply(this, args);
+				result.push(returnValue);
+			}
+			return result;
+		} else {
+			return Promise.all(
+				listeners.map((listener) => {
+					return listener.apply(this, args);
+				}),
+			);
+		}
+	}
+
+	/**
+	 * @param {string} type - The event name to emit.
+	 * @param {...*} args - Additional lazy-executed function arguments that get passed to listeners.
+	 * @returns {Promise} - Promise resolves once all listeners were invoked
+	 */
+	async emitLazy(type, ...args) {
+		let listeners = this.listeners(type);
+		if (listeners.length === 0) {
+			return [];
+		}
+
+		let argsMap = [];
+		for (let arg of args) {
+			if (typeof arg === "function") {
+				let r = arg();
+				if (r instanceof Promise) {
+					r = await r;
+				}
+				argsMap.push(r);
+			} else {
+				argsMap.push(arg);
+			}
+		}
+
+		return this.emit.call(this, type, ...argsMap);
+	}
+
+	setHandlerMode(mode) {
+		this.#handlerMode = mode;
+	}
+}
+
+export default AsyncEventEmitter;
-- 
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