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node_modules/@11ty/eleventy/src/EventBus.js

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+import debugUtil from "debug";
+
+import EventEmitter from "./Util/AsyncEventEmitter.js";
+
+const debug = debugUtil("Eleventy:EventBus");
+
+/**
+ * @module 11ty/eleventy/EventBus
+ * @ignore
+ */
+
+debug("Setting up global EventBus.");
+/**
+ * Provides a global event bus that modules deep down in the stack can
+ * subscribe to from a global singleton for decoupled pub/sub.
+ * @type {module:11ty/eleventy/Util/AsyncEventEmitter~AsyncEventEmitter}
+ */
+let bus = new EventEmitter();
+bus.setMaxListeners(100); // defaults to 10
+
+debug("EventBus max listener count: %o", bus.getMaxListeners());
+
+export default bus;