feat(Application): application flags (#5147)

Co-authored-by: SpaceEEC <spaceeec@yahoo.com>
Co-authored-by: Vlad Frangu <kingdgrizzle@gmail.com>

src/util/ApplicationFlags.js

@@ -0,0 +1,49 @@
+'use strict';
+
+const BitField = require('./BitField');
+
+/**
+ * Data structure that makes it easy to interact with a {@link ClientApplication#flags} bitfield.
+ * @extends {BitField}
+ */
+class ApplicationFlags extends BitField {}
+
+/**
+ * @name ApplicationFlags
+ * @kind constructor
+ * @memberof ApplicationFlags
+ * @param {BitFieldResolvable} [bits=0] Bit(s) to read from
+ */
+
+/**
+ * Bitfield of the packed bits
+ * @type {number}
+ * @name ApplicationFlags#bitfield
+ */
+
+/**
+ * Numeric application flags. All available properties:
+ * * `MANAGED_EMOJI`
+ * * `GROUP_DM_CREATE`
+ * * `RPC_HAS_CONNECTED`
+ * * `GATEWAY_PRESENCE`
+ * * `FATEWAY_PRESENCE_LIMITED`
+ * * `GATEWAY_GUILD_MEMBERS`
+ * * `GATEWAY_GUILD_MEMBERS_LIMITED`
+ * * `VERIFICATION_PENDING_GUILD_LIMIT`
+ * * `EMBEDDED`
+ * @type {Object}
+ */
+ApplicationFlags.FLAGS = {
+  MANAGED_EMOJI: 1 << 2,
+  GROUP_DM_CREATE: 1 << 4,
+  RPC_HAS_CONNECTED: 1 << 11,
+  GATEWAY_PRESENCE: 1 << 12,
+  GATEWAY_PRESENCE_LIMITED: 1 << 13,
+  GATEWAY_GUILD_MEMBERS: 1 << 14,
+  GATEWAY_GUILD_MEMBERS_LIMITED: 1 << 15,
+  VERIFICATION_PENDING_GUILD_LIMIT: 1 << 16,
+  EMBEDDED: 1 << 17,
+};
+
+module.exports = ApplicationFlags;

src/util/MessageFlags.js

@@ -3,7 +3,7 @@
 const BitField = require('./BitField');
 
 /**
- * Data structure that makes it easy to interact with an {@link Message#flags} bitfield.
+ * Data structure that makes it easy to interact with a {@link Message#flags} bitfield.
  * @extends {BitField}
  */
 class MessageFlags extends BitField {}