client/api: convert messages to events

1 files changed, 28 insertions, 0 deletions

diff --git a/client/js/events.js b/client/js/events.js
new file mode 100644
index 0000000..8fb42d4
--- /dev/null
+++ b/client/js/events.js
@@ -0,0 +1,28 @@
+'use strict';
+
+let listeners = [];
+
+function listen(messageClass, handler) {
+    if (!(messageClass in listeners)) {
+        listeners[messageClass] = [];
+    }
+    listeners[messageClass].push(handler);
+}
+
+function notify(messageClass, message) {
+    if (!(messageClass in listeners)) {
+        return;
+    }
+    for (let handler of listeners[messageClass]) {
+        handler(message);
+    }
+}
+
+module.exports = {
+    Success: 1,
+    Error: 2,
+    Authentication: 3,
+
+    notify: notify,
+    listen: listen,
+};