Add RBS signatures

.github/workflows/test.yml

@@ -4,21 +4,22 @@ on:
   push:
 
 jobs:
-  build:
+  rspec:
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
         ruby:
+          - 3.1.6
           - 3.2.4
           - 3.3.3
 
     steps:
-    - uses: actions/checkout@v4
+      - uses: actions/checkout@v4
 
-    - uses: ruby/setup-ruby@v1
-      with:
-        ruby-version: ${{ matrix.ruby }}
-        bundler-cache: true
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
 
-    - run: bundle exec rake
+      - run: bundle exec rake

.github/workflows/typing.yml

@@ -0,0 +1,33 @@
+name: Typing
+
+on:
+  push:
+
+jobs:
+  rbs:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 3.3.3
+          bundler-cache: true
+
+      - run: rbs collection install
+      - run: bundle exec rbs -I sig validate
+
+  steep:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 3.3.3
+          bundler-cache: true
+
+      - run: rbs collection install
+      - run: bundle exec steep check

.gitignore

@@ -1,11 +1,10 @@
+.rspec_status
 /.bundle/
+/.gem_rbs_collection/
 /.yardoc
 /_yardoc/
 /coverage/
 /doc/
 /pkg/
 /spec/reports/
 /tmp/
-
-# rspec failure tracking
-.rspec_status

Gemfile

@@ -4,5 +4,7 @@ gemspec
 
 gem 'rackup'
 gem 'rake'
+gem 'rbs'
 gem 'rspec'
+gem 'steep'
 gem 'webrick'

Gemfile.lock

@@ -12,16 +12,55 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
+    activesupport (7.1.3.4)
+      base64
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      mutex_m
+      tzinfo (~> 2.0)
+    ast (2.4.2)
+    base64 (0.2.0)
+    bigdecimal (3.1.8)
+    concurrent-ruby (1.3.3)
+    connection_pool (2.4.1)
+    csv (3.3.0)
     diff-lcs (1.5.1)
+    drb (2.2.1)
+    ffi (1.17.0)
+    ffi (1.17.0-x86_64-linux-gnu)
+    fileutils (1.7.2)
+    i18n (1.14.5)
+      concurrent-ruby (~> 1.0)
     json (2.7.2)
+    language_server-protocol (3.17.0.3)
+    listen (3.9.0)
+      rb-fsevent (~> 0.10, >= 0.10.3)
+      rb-inotify (~> 0.9, >= 0.9.10)
+    logger (1.6.0)
     mini_mime (1.1.5)
+    minitest (5.24.1)
+    mutex_m (0.2.0)
     net-http (0.4.1)
       uri
+    parser (3.3.3.0)
+      ast (~> 2.4.1)
+      racc
+    racc (1.8.0)
     rack (3.1.6)
     rackup (2.1.0)
       rack (>= 3)
       webrick (~> 1.8)
+    rainbow (3.1.1)
     rake (13.2.1)
+    rb-fsevent (0.11.2)
+    rb-inotify (0.11.1)
+      ffi (~> 1.0)
+    rbs (3.5.1)
+      logger
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
@@ -35,7 +74,29 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.1)
+    securerandom (0.3.1)
     singleton (0.2.0)
+    steep (1.7.1)
+      activesupport (>= 5.1)
+      concurrent-ruby (>= 1.1.10)
+      csv (>= 3.0.9)
+      fileutils (>= 1.1.0)
+      json (>= 2.1.0)
+      language_server-protocol (>= 3.15, < 4.0)
+      listen (~> 3.0)
+      logger (>= 1.3.0)
+      parser (>= 3.1)
+      rainbow (>= 2.2.2, < 4.0)
+      rbs (>= 3.5.0.pre)
+      securerandom (>= 0.1)
+      strscan (>= 1.0.0)
+      terminal-table (>= 2, < 4)
+    strscan (3.1.0)
+    terminal-table (3.0.2)
+      unicode-display_width (>= 1.1.1, < 3)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    unicode-display_width (2.5.0)
     uri (0.13.0)
     webrick (1.8.1)
 
@@ -47,7 +108,9 @@ DEPENDENCIES
   fetch-api!
   rackup
   rake
+  rbs
   rspec
+  steep
   webrick
 
 BUNDLED WITH

Steepfile

@@ -0,0 +1,10 @@
+ target :lib do
+   signature 'sig'
+
+   check 'lib'
+
+   library 'json'
+   library 'net-http'
+   library 'rack'
+   library 'singleton'
+ end

lib/fetch/client.rb

@@ -19,7 +19,7 @@ def fetch(resource, method: :get, headers: [], body: nil, redirect: :follow, _re
       req = Net::HTTP.const_get(method.capitalize).new(uri)
 
       headers.each do |k, v|
-        req[k] = v
+        req[k.to_s] = v.to_s
       end
 
       case body
@@ -28,7 +28,7 @@ def fetch(resource, method: :get, headers: [], body: nil, redirect: :follow, _re
           if v.is_a?(File)
             [k, v, {
               filename:     File.basename(v.path),
-              content_type: MiniMime.lookup_by_filename(v.path)&.content_type || 'application/octet-stream'
+              content_type: MiniMime.lookup_by_filename(v.path)&.content_type || 'application/octet-stream' # steep:ignore UnknownConstant
             }]
           else
             [k, v]
@@ -40,7 +40,7 @@ def fetch(resource, method: :get, headers: [], body: nil, redirect: :follow, _re
         req.body = body
       end
 
-      http = Net::HTTP.new(uri.hostname, uri.port)
+      http = Net::HTTP.new(uri.hostname, uri.port) # steep:ignore ArgumentTypeMismatch
       http.use_ssl = uri.scheme == 'https'
 
       res = http.start { _1.request(req) }
@@ -49,7 +49,7 @@ def fetch(resource, method: :get, headers: [], body: nil, redirect: :follow, _re
       when Net::HTTPRedirection
         case redirect.to_s
         when 'follow'
-          fetch(res['Location'], method:, headers:, body:, redirect:, _redirected: true)
+          fetch(res['Location'], method:, headers:, body:, redirect:, _redirected: true) # steep:ignore ArgumentTypeMismatch
         when 'error'
           raise RedirectError, "redirected to #{res['Location']}"
         when 'manual'
@@ -66,9 +66,9 @@ def fetch(resource, method: :get, headers: [], body: nil, redirect: :follow, _re
 
     def to_response(url, res, redirected)
       Response.new(
-        url:        ,
+        url:        url.to_str,
         status:     res.code.to_i,
-        headers:    Headers.new(res),
+        headers:    Headers.new(res.each),
         body:       res.body,
         redirected:
       )

lib/fetch/form_data.rb

@@ -1,11 +1,7 @@
-require_relative 'symbol_to_str'
-
 module Fetch
   class FormData
     include Enumerable
 
-    using SymbolToStr
-
     def self.build(enumerable)
       data = FormData.new
 
@@ -23,23 +19,23 @@ def initialize
     attr_reader :entries
 
     def append(key, value)
-      @entries.push [key.to_str, value]
+      @entries.push [key.to_s, value.is_a?(File) ? value : value.to_s]
     end
 
     def delete(key)
-      @entries.reject! {|k,| k == key.to_str }
+      @entries.reject! {|k,| k == key.to_s }
     end
 
     def get(key)
-      @entries.assoc(key.to_str)&.last
+      @entries.assoc(key.to_s)&.last
     end
 
     def get_all(key)
-      @entries.select {|k,| k == key.to_str }.map(&:last)
+      @entries.select {|k,| k == key.to_s }.map(&:last)
     end
 
     def has(key)
-      @entries.any? {|k,| k == key.to_str }
+      @entries.any? {|k,| k == key.to_s }
     end
 
     def keys

lib/fetch/headers.rb

@@ -1,11 +1,7 @@
-require_relative 'symbol_to_str'
-
 module Fetch
   class Headers
     include Enumerable
 
-    using SymbolToStr
-
     def initialize(init = [])
       @data = {}
 
@@ -15,31 +11,31 @@ def initialize(init = [])
     end
 
     def append(key, value)
-      (@data[key.to_str.downcase] ||= []) << value
+      (@data[key.to_s.downcase] ||= []) << value.to_s
     end
 
     def delete(key)
-      @data.delete key.to_str.downcase
+      @data.delete key.to_s.downcase
     end
 
     def entries
       @data.map {|k, vs| [k, vs.join(', ')] }
     end
 
     def get(key)
-      @data[key.to_str.downcase]&.join(', ')
+      @data[key.to_s.downcase]&.join(', ')
     end
 
     def has(key)
-      @data.key?(key.to_str.downcase)
+      @data.key?(key.to_s.downcase)
     end
 
     def keys
       @data.keys
     end
 
     def set(key, value)
-      @data[key.to_str.downcase] = [value]
+      @data[key.to_s.downcase] = [value]
     end
 
     def values

lib/fetch/response.rb

@@ -2,7 +2,17 @@
 require 'rack/utils'
 
 module Fetch
-  Response = Data.define(:url, :status, :headers, :body, :redirected) {
+  class Response
+    def initialize(url:, status:, headers:, body:, redirected:)
+      @url        = url
+      @status     = status
+      @headers    = headers
+      @body       = body
+      @redirected = redirected
+    end
+
+    attr_reader :url, :status, :headers, :body, :redirected
+
     def ok
       status.between?(200, 299)
     end
@@ -12,7 +22,9 @@ def status_text
     end
 
     def json(...)
+      return nil unless body
+
       JSON.parse(body, ...)
     end
-  }
+  end
 end