EventEmitter in functional style

tshemsedinov · tshemsedinov · commit 4ee36bf88621 · 2018-01-24T21:44:19.000+02:00
diff --git a/JavaScript/examples/7-fp.js b/JavaScript/examples/7-fp.js
@@ -0,0 +1,14 @@
+'use strict';
+
+const emitter = (events = {}) => ({
+  on: (name, fn) => (events[name] = events[name] || []).push(fn),
+  emit: (name, data) => (events[name] || []).forEach(fn => fn(data))
+});
+
+const ee = emitter();
+
+ee.on('smth', (data) => {
+  console.dir(data);
+});
+
+ee.emit('asmth', { a: 5 });
