1 files changed, 80 insertions, 0 deletions
diff --git a/atom/packages/ex-mode/node_modules/event-kit/lib/emitter.js b/atom/packages/ex-mode/node_modules/event-kit/lib/emitter.js
new file mode 100644
index 0000000..1c8336a
--- /dev/null
+++ b/atom/packages/ex-mode/node_modules/event-kit/lib/emitter.js
@@ -0,0 +1,80 @@
+(function() {
+  var Disposable, Emitter;
+
+  Disposable = require('./disposable');
+
+  module.exports = Emitter = (function() {
+    Emitter.prototype.isDisposed = false;
+
+
+    /*
+    Section: Construction and Destruction
+     */
+
+    function Emitter() {
+      this.handlersByEventName = {};
+    }
+
+    Emitter.prototype.dispose = function() {
+      this.handlersByEventName = null;
+      return this.isDisposed = true;
+    };
+
+
+    /*
+    Section: Event Subscription
+     */
+
+    Emitter.prototype.on = function(eventName, handler) {
+      var currentHandlers;
+      if (this.isDisposed) {
+        throw new Error("Emitter has been disposed");
+      }
+      if (typeof handler !== 'function') {
+        throw new Error("Handler must be a function");
+      }
+      if (currentHandlers = this.handlersByEventName[eventName]) {
+        this.handlersByEventName[eventName] = currentHandlers.concat(handler);
+      } else {
+        this.handlersByEventName[eventName] = [handler];
+      }
+      return new Disposable(this.off.bind(this, eventName, handler));
+    };
+
+    Emitter.prototype.off = function(eventName, handlerToRemove) {
+      var handler, newHandlers, oldHandlers, _i, _len;
+      if (this.isDisposed) {
+        return;
+      }
+      if (oldHandlers = this.handlersByEventName[eventName]) {
+        newHandlers = [];
+        for (_i = 0, _len = oldHandlers.length; _i < _len; _i++) {
+          handler = oldHandlers[_i];
+          if (handler !== handlerToRemove) {
+            newHandlers.push(handler);
+          }
+        }
+        return this.handlersByEventName[eventName] = newHandlers;
+      }
+    };
+
+
+    /*
+    Section: Event Emission
+     */
+
+    Emitter.prototype.emit = function(eventName, value) {
+      var handler, handlers, _i, _len, _ref;
+      if (handlers = (_ref = this.handlersByEventName) != null ? _ref[eventName] : void 0) {
+        for (_i = 0, _len = handlers.length; _i < _len; _i++) {
+          handler = handlers[_i];
+          handler(value);
+        }
+      }
+    };
+
+    return Emitter;
+
+  })();
+
+}).call(this);