Fix: Fix type errors

Gemfile

@@ -5,32 +5,32 @@ source "https://rubygems.org"
 # Specify your gem's dependencies in discorb.gemspec
 gemspec
 
-gem "rake", "~> 13.0"
+gem "rake", "~> 13.0", require: false
 
 # Rubocop
-gem "rubocop", "~> 1.25"
-gem "rubocop-rake", "~> 0.6.0"
-gem "rubocop-rspec", "~> 2.9"
+gem "rubocop", "~> 1.25", require: false
+gem "rubocop-rake", "~> 0.6.0", require: false
+gem "rubocop-rspec", "~> 2.9", require: false
 
 # RSpec
-gem "async-rspec", "~> 1.17"
-gem "parallel_tests", "~> 4.2"
-gem "rspec", "~> 3.12"
+gem "async-rspec", "~> 1.17", require: false
+gem "parallel_tests", "~> 4.2", require: false
+gem "rspec", "~> 3.12", require: false
 
 # Typecheck
-gem "steep", "~> 1.1"
+gem "steep", "~> 1.5", require: false
 
 # Other development tools
-gem "lefthook", "~> 1.4.3"
-gem "sord", "~> 3.0.1"
+gem "lefthook", "~> 1.4.3", require: false
+gem "sord", "~> 3.0.1", require: false
 
 group :docs, optional: true do
-  gem "crowdin-api", "~> 1.0"
-  gem "gettext", "~> 3.4.1"
-  gem "redcarpet"
-  gem "rubyzip", "~> 2.3"
-  gem "yard", "~> 0.9.26"
+  gem "crowdin-api", "~> 1.0", require: false
+  gem "gettext", "~> 3.4.1", require: false
+  gem "redcarpet", require: false
+  gem "rubyzip", "~> 2.3", require: false
+  gem "yard", "~> 0.9.26", require: false
 end
 
-gem "syntax_tree", "~> 2.8"
-gem "syntax_tree-rbs", "~> 0.5.0"
+gem "syntax_tree", "~> 2.8", require: false
+gem "syntax_tree-rbs", "~> 0.5.0", require: false

Steepfile

@@ -7,8 +7,6 @@ target :lib do
 
   check "lib"
 
-  library "net-http", "timeout"
-
   configure_code_diagnostics(D::Ruby.lenient)
   configure_code_diagnostics do |config|
     config[D::Ruby::UnsupportedSyntax] = nil

lib/discorb/channel/category.rb

@@ -10,7 +10,9 @@ class CategoryChannel < GuildChannel
     include Discorb::ChannelContainer
 
     def channels
-      @client.channels.values.filter { |channel| channel.parent == self }
+      @client.channels.values.filter do |channel|
+        channel.parent == self && channel.is_a?(Discorb::GuildChannel)
+      end
     end
 
     def create_text_channel(*args, **kwargs)

lib/discorb/channel/forum.rb

@@ -464,7 +464,7 @@ def fetch_webhooks
     # @param [Integer] rate_limit_per_user The rate limit per user.
     # @param [Integer] slowmode Alias of `rate_limit_per_user`.
     #
-    # @return [Async::Task<Discorb::PublicThread>] The created thread.
+    # @return [Async::Task<Discorb::ForumChannel::Post>] The created thread.
     #
     def create_post(
       title,

lib/discorb/extension.rb

@@ -50,6 +50,7 @@ module ClassMethods
       # @param [Hash] metadata Other metadata.
       #
       def event(event_name, id: nil, **metadata, &block)
+        # @type var event_name: Symbol
         unless event_name.is_a?(Symbol)
           raise ArgumentError, "Event name must be a symbol"
         end

lib/discorb/gateway_requests.rb

@@ -5,27 +5,41 @@ module Discorb
   # Represents an activity for Gateway Command.
   #
   class Activity
+    # @return [String] The text of the activity.
+    attr_reader :text
+    # @return [:playing, :streaming, :listening, :watching, :custom, :competing] The type of the activity.
+    attr_reader :type
+    # @return [String] The URL of the activity.
+    attr_reader :url
+
     # @private
     # @return [{Symbol => Integer}] The mapping of activity types.
     TYPES = {
       playing: 0,
       streaming: 1,
       listening: 2,
       watching: 3,
+      custom: 4,
       competing: 5
     }.freeze
 
     #
     # Initializes a new Activity.
     #
-    # @param [String] name The name of the activity.
-    # @param [:playing, :streaming, :listening, :watching, :competing] type The type of activity.
+    # @param [String] text The text of the activity.
+    # @param [:playing, :streaming, :listening, :watching, :custom, :competing] type The type of activity.
     # @param [String] url The URL of the activity.
     #
-    def initialize(name, type = :playing, url = nil)
-      @name = name
-      @type = TYPES[type] or
-        raise ArgumentError, "Invalid activity type: #{type}"
+    def initialize(text, type = :playing, url: nil)
+      @text = text
+      @type =
+        (
+          if TYPES.key?(type)
+            TYPES[type]
+          else
+            raise(ArgumentError, "invalid activity type: #{type}")
+          end
+        )
       @url = url
     end
 
@@ -35,7 +49,11 @@ def initialize(name, type = :playing, url = nil)
     # @return [Hash] A hash representation of the activity.
     #
     def to_hash
-      { name: @name, type: @type, url: @url }
+      if @type == :custom
+        { state: @text, type: @type, url: @url }
+      else
+        { name: @text, type: @type, url: @url }
+      end
     end
 
     def inspect

rbs_collection.lock.yaml

@@ -1,88 +1,30 @@
 ---
 sources:
-- name: ruby/gem_rbs_collection
+- type: git
+  name: ruby/gem_rbs_collection
+  revision: 8a678b2ec20e9d594055f53745399814e3a887dc
   remote: https://github.com/ruby/gem_rbs_collection.git
-  revision: main
   repo_dir: gems
 path: ".gem_rbs_collection"
 gems:
-- name: net-http
-  version: '0'
-  source:
-    type: stdlib
 - name: logger
   version: '0'
   source:
     type: stdlib
-- name: ast
-  version: '2.4'
-  source:
-    type: git
-    name: ruby/gem_rbs_collection
-    revision: 347858a6750d478f6cf1285b4ebd6ae945af2609
-    remote: https://github.com/ruby/gem_rbs_collection.git
-    repo_dir: gems
-- name: forwardable
-  version: '0'
-  source:
-    type: stdlib
-- name: i18n
-  version: '1.10'
-  source:
-    type: git
-    name: ruby/gem_rbs_collection
-    revision: 347858a6750d478f6cf1285b4ebd6ae945af2609
-    remote: https://github.com/ruby/gem_rbs_collection.git
-    repo_dir: gems
-- name: listen
-  version: '3.2'
-  source:
-    type: git
-    name: ruby/gem_rbs_collection
-    revision: 347858a6750d478f6cf1285b4ebd6ae945af2609
-    remote: https://github.com/ruby/gem_rbs_collection.git
-    repo_dir: gems
-- name: minitest
-  version: '0'
-  source:
-    type: stdlib
-- name: parallel
-  version: '1.20'
-  source:
-    type: git
-    name: ruby/gem_rbs_collection
-    revision: 347858a6750d478f6cf1285b4ebd6ae945af2609
-    remote: https://github.com/ruby/gem_rbs_collection.git
-    repo_dir: gems
-- name: prime
-  version: '0'
-  source:
-    type: stdlib
-- name: rainbow
-  version: '3.0'
-  source:
-    type: git
-    name: ruby/gem_rbs_collection
-    revision: 347858a6750d478f6cf1285b4ebd6ae945af2609
-    remote: https://github.com/ruby/gem_rbs_collection.git
-    repo_dir: gems
-- name: singleton
+- name: monitor
   version: '0'
   source:
     type: stdlib
-- name: uri
+- name: net-http
   version: '0'
   source:
     type: stdlib
 - name: timeout
   version: '0'
   source:
     type: stdlib
-- name: monitor
-  version: '0'
-  source:
-    type: stdlib
-- name: mutex_m
+- name: uri
   version: '0'
   source:
     type: stdlib
+gemfile_lock_path: Gemfile.lock

sig/discorb/activity.rbs

@@ -4,13 +4,23 @@ module Discorb
   class Activity
     TYPES: untyped
 
+    type types = :playing | :streaming | :listening | :watching | :custom | :competing
+
+    # @return [String] The text of the activity.
+    attr_reader text: String
+    # @return [:playing, :streaming, :listening, :watching, :competing] The type of the activity.
+    attr_reader type: types
+    # @return [String] The URL of the activity.
+    attr_reader url: String?
+
     #
     # Initializes a new Activity.
     #
-    # @param [String] name The name of the activity.
-    # @param [:playing, :streaming, :listening, :watching, :competing] type The type of activity.
+    # @param [String] text The text of the activity.
+    # @param [:playing, :streaming, :listening, :watching, :custom, :competing] type The type of activity.
     # @param [String] url The URL of the activity.
-    def initialize: (String name, ?Symbol `type`, ?String? url) -> void
+    #
+    def initialize: (String text, types type, ?url: String?) -> void
 
     #
     # Converts the activity to a hash.

sig/discorb/channel/forum.rbs

@@ -63,7 +63,7 @@ module Discorb
         String name,
         Discorb::emoji emoji,
         ?moderated: bool
-      ) -> Discorb::ForumChannel::Tag
+      ) -> void
 
       # Returns the tag as a hash.
       #
@@ -292,7 +292,7 @@ module Discorb
     # @param [Integer] rate_limit_per_user The rate limit per user.
     # @param [Integer] slowmode Alias of `rate_limit_per_user`.
     #
-    # @return [Async::Task<Discorb::PublicThread>] The created thread.
+    # @return [Async::Task<Discorb::ForumChannel::Post>] The created thread.
     def create_post: (
       title: String,
       ?content: String,
@@ -306,7 +306,7 @@ module Discorb
       ?auto_archive_duration: :hour | :day | :three_days | :week,
       ?rate_limit_per_user: Integer,
       ?slowmode: Integer
-    ) -> Async::Task[Discorb::PublicThread]
+    ) -> Async::Task[Discorb::ForumChannel::Post]
 
     alias start_thread create_post
     alias create_thread start_thread

sig/discorb/user.rbs

@@ -35,7 +35,7 @@ module Discorb
     attr_reader verified: bool
 
     # @return [String] The user's username. ("sevenc_nanashi" for new users, "Nanashi." for old users.)
-    attr_reader :username
+    attr_reader username: String
     alias name username
 
     # @return [Discorb::Snowflake] The user's ID.
@@ -46,10 +46,10 @@ module Discorb
 
     # @return [String] The user's discriminator. ("0" for new users, "7740" for old users.)
     # @deprecated This will be removed in the future because of discord changes.
-    attr_reader :discriminator
+    attr_reader discriminator: String
 
     # @return [String] The user's global name. ("Nanashi." for new users, old users have no global name.)
-    attr_reader :global_name
+    attr_reader global_name: String
 
     # @return [Discorb::Asset, Discorb::DefaultAvatar] The user's avatar.
     attr_reader avatar: Discorb::Asset | Discorb::DefaultAvatar