Remove all string object references (#586)

src/structures/DMChannel.js

@@ -31,7 +31,7 @@ class DMChannel extends Channel {
   }
 
   /**
-   * When concatenated with a String, this automatically concatenates the recipient's mention instead of the
+   * When concatenated with a string, this automatically concatenates the recipient's mention instead of the
    * DM channel object.
    * @returns {string}
    */

src/structures/Emoji.js

@@ -68,7 +68,7 @@ class Emoji {
   }
 
   /**
-   * When concatenated with a String, this automatically returns the emoji mention rather than the object.
+   * When concatenated with a string, this automatically returns the emoji mention rather than the object.
    * @returns {string}
    * @example
    * // send an emoji:

src/structures/EvaluatedPermissions.js

@@ -39,7 +39,7 @@ class EvaluatedPermissions {
    * @returns {boolean}
    */
   hasPermission(permission, explicit = false) {
-    if (permission instanceof String || typeof permission === 'string') {
+    if (typeof permission === 'string') {
       permission = Constants.PermissionFlags[permission];
     }
 

src/structures/Guild.js

@@ -151,7 +151,7 @@ class Guild {
   }
 
   /**
-   * When concatenated with a String, this automatically concatenates the Guild's name instead of the Guild object.
+   * When concatenated with a string, this automatically concatenates the Guild's name instead of the Guild object.
    * @returns {string}
    * @example
    * // logs: Hello from My Guild!

src/structures/GuildChannel.js

@@ -263,7 +263,7 @@ class GuildChannel extends Channel {
   }
 
   /**
-   * When concatenated with a String, this automatically returns the Channel's mention instead of the Channel object.
+   * When concatenated with a string, this automatically returns the Channel's mention instead of the Channel object.
    * @returns {string}
    * @example
    * // Outputs: Hello from #general

src/structures/Role.js

@@ -198,7 +198,7 @@ class Role {
    * }
    */
   hasPermission(permission, explicit = false) {
-    if (permission instanceof String || typeof permission === 'string') {
+    if (typeof permission === 'string') {
       permission = Constants.PermissionFlags[permission];
     }
 
@@ -216,7 +216,7 @@ class Role {
   }
 
   /**
-   * When concatenated with a String, this automatically concatenates the Role mention rather than the Role object.
+   * When concatenated with a string, this automatically concatenates the Role mention rather than the Role object.
    * @returns {string}
    */
   toString() {

src/structures/User.js

@@ -56,7 +56,7 @@ class User {
   }
 
   /**
-   * When concatenated with a String, this automatically concatenates the User's mention instead of the User object.
+   * When concatenated with a string, this automatically concatenates the User's mention instead of the User object.
    * @returns {string}
    * @example
    * // logs: Hello from <@123456789>!

src/structures/interface/TextBasedChannel.js

@@ -196,7 +196,7 @@ class TextBasedChannel {
    */
   sendFile(attachment, fileName) {
     if (!fileName) {
-      if (attachment instanceof String || typeof attachment === 'string') {
+      if (typeof attachment === 'string') {
         fileName = path.basename(attachment);
       } else if (attachment && attachment.path) {
         fileName = path.basename(attachment.path);