Added Client#status and Message#type typedefs (#1571)

* typedef for MessageTypes and linked Client#status to Status

* should be singular

* typedef for Voiceconnection#status

src/client/Client.js

@@ -198,7 +198,7 @@ class Client extends EventEmitter {
 
   /**
    * Current status of the client's connection to Discord
-   * @type {?number}
+   * @type {?Status}
    * @readonly
    */
   get status() {

src/client/voice/VoiceConnection.js

@@ -52,7 +52,7 @@ class VoiceConnection extends EventEmitter {
 
     /**
      * The current status of the voice connection
-     * @type {number}
+     * @type {VoiceStatus}
      */
     this.status = Constants.VoiceStatus.AUTHENTICATING;
 

src/structures/Message.js

@@ -40,7 +40,7 @@ class Message {
 
     /**
      * The type of the message
-     * @type {string}
+     * @type {MessageType}
      */
     this.type = Constants.MessageTypes[data.type];
 

src/util/Constants.js

@@ -329,6 +329,18 @@ exports.WSEvents = {
   RELATIONSHIP_REMOVE: 'RELATIONSHIP_REMOVE',
 };
 
+/**
+ * The type of a message, e.g. `DEFAULT`. Here are the available types:
+ * - DEFAULT
+ * - RECIPIENT_ADD
+ * - RECIPIENT_REMOVE
+ * - CALL
+ * - CHANNEL_NAME_CHANGE
+ * - CHANNEL_ICON_CHANGE
+ * - PINS_ADD
+ * - GUILD_MEMBER_JOIN
+ * @typedef {string} MessageType
+ */
 exports.MessageTypes = [
   'DEFAULT',
   'RECIPIENT_ADD',