Deprecation notices; fixes #7, fixes #4, fixes #2

Author: danburzo

src/pubsub.js

@@ -16,6 +16,13 @@ class pubsub {
 if (!eventString) {
 throw new Error('pubsub.pub() received empty event string');
 }
+
+if (arguments.length > 2) {
+console.warn(
+`[Deprecated]: Publishing an event with multiple arguments is deprecated. Re: ${eventString}`
+);
+}
+
 var eventComponents = this.eventNamespace(eventString);
 var eventArray, i, ilen, j, jlen, args, subscriber, ret, event;
 for (i = 0, ilen = eventComponents.length; i < ilen; i++) {
@@ -53,12 +60,28 @@ class pubsub {
 if (!eventStr) {
 throw new Error('pubsub.sub() received empty event string');
 }
-var events = eventStr.split(/\s+/),
-event,
-eventArray,
-i,
-len,
-oldArgs;
+
+if (thisArg) {
+console.warn(
+`sub(): thisArg is deprecated, please bind your method manually. Re: ${eventStr}`
+);
+}
+
+var events;
+
+if (Array.isArray(eventStr)) {
+events = eventStr;
+} else {
+events = eventStr.split(/\s+/);
+if (events.length > 1) {
+console.warn(
+`Subscribing to space-separated events is deprecated; please use an array of events. Re: ${eventStr}`
+);
+}
+}
+
+var event, eventArray, i, len, oldArgs;
+
 flags = flags || { once: false, recoup: false };
 for (i = 0, len = events.length; i < len; i++) {
 eventArray = this._pubsubEvents[(event = events[i])];