docs: add more documentation

src/structures/Message.js

@@ -15,17 +15,79 @@ class Message extends Base {
     }
 
     _patch(data) {
+        /**
+         * ID that represents the message
+         * @type {object}
+         */
         this.id = data.id;
+
+        /**
+         * Indicates if the message has media available for download
+         * @type {boolean}
+         */
         this.hasMedia = data.clientUrl ? true : false;
+
+        /**
+         * Message content
+         * @type {string}
+         */
         this.body = this.hasMedia ? data.caption || '' : data.body || '';
+
+        /** 
+         * Message type
+         * @type {MessageTypes}
+         */
         this.type = data.type;
+
+        /**
+         * Unix timestamp for when the message was created
+         * @type {number}
+         */
         this.timestamp = data.t;
+
+        /**
+         * ID for the Chat that this message was sent to, except if the message was sent by the current user.
+         * @type {string}
+         */
         this.from = typeof (data.from) === 'object' ? data.from._serialized : data.from;
+
+        /**
+         * ID for who this message is for.
+         * 
+         * If the message is sent by the current user, it will be the Chat to which the message is being sent.
+         * If the message is sent by another user, it will be the ID for the current user. 
+         * @type {string}
+         */
         this.to = typeof (data.to) === 'object' ? data.to._serialized : data.to;
+
+        /**
+         * If the message was sent to a group, this field will contain the user that sent the message.
+         * @type {string}
+         */
         this.author = typeof (data.author) === 'object' ? data.author._serialized : data.author;
+
+        /**
+         * Indicates if the message was forwarded
+         * @type {boolean}
+         */
         this.isForwarded = data.isForwarded;
+
+        /**
+         * Indicates if the message was a broadcast
+         * @type {boolean}
+         */
         this.broadcast = data.broadcast;
+
+        /** 
+         * Indicates if the message was sent by the current user
+         * @type {boolean}
+         */
         this.fromMe = data.id.fromMe;
+        
+        /**
+         * Indicates if the message was sent as a reply to another message.
+         * @type {boolean}
+         */
         this.hasQuotedMsg = data.quotedMsg ? true : false;
 
         return super._patch(data);
@@ -37,7 +99,7 @@ class Message extends Base {
 
     /**
      * Returns the Chat this message was sent in
-     * @returns {Chat}
+     * @returns {Promise<Chat>}
      */
     getChat() {
         return this.client.getChatById(this._getChatId());
@@ -45,7 +107,7 @@ class Message extends Base {
 
     /**
      * Returns the Contact this message was sent from
-     * @returns {Contact}
+     * @returns {Promise<Contact>}
      */
     getContact() {
         return this.client.getContactById(this._getChatId());
@@ -53,7 +115,7 @@ class Message extends Base {
 
     /**
      * Returns the quoted message, if any
-     * @returns {Message}
+     * @returns {Promise<Message>}
      */
     async getQuotedMessage() {
         if (!this.hasQuotedMsg) return undefined;
@@ -67,14 +129,14 @@ class Message extends Base {
     }
 
     /**
-     * Sends a message as a reply. If chatId is specified, it will be sent 
+     * Sends a message as a reply to this message. If chatId is specified, it will be sent 
      * through the specified Chat. If not, it will send the message 
      * in the same Chat as the original message was sent.
      * 
      * @param {string|MessageMedia} content 
      * @param {?string} chatId 
      * @param {object} options
-     * @returns {Message}
+     * @returns {Promise<Message>}
      */
     async reply(content, chatId, options={}) {
         if (!chatId) {
@@ -91,7 +153,7 @@ class Message extends Base {
 
     /**
      * Downloads and returns the attatched message media
-     * @returns {MessageMedia}
+     * @returns {Promise<MessageMedia>}
      */
     async downloadMedia() {
         if (!this.hasMedia) {