Many improvements

Changes are described in `CHANGELOG.md`.

.editorconfig

@@ -0,0 +1,14 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+max_line_length = 100
+
+[*.md]
+indent_style = space
+indent_size = 4

.rspec

@@ -0,0 +1,3 @@
+--color
+--format documentation
+--require spec_helper.rb

.rubocop.yml

@@ -0,0 +1,24 @@
+require:
+  - rubocop-performance
+  - rubocop-rspec
+
+Layout/LineLength:
+  Max: 100
+Layout/MultilineOperationIndentation:
+  EnforcedStyle: indented
+Layout/MultilineMethodCallIndentation:
+  EnforcedStyle: indented
+Layout/ArgumentAlignment:
+  EnforcedStyle: with_fixed_indentation
+
+AllCops:
+  NewCops: enable
+
+Metrics/BlockLength:
+  Exclude:
+    - spec/**/*.rb
+
+RSpec/NestedGroups:
+  Max: 5
+RSpec/MultipleMemoizedHelpers:
+  Enabled: false

CHANGELOG.md

@@ -0,0 +1,41 @@
+## master
+
+*   Remove `Twitch.new`, use `Twitch::Client.new`.
+*   Use `twitch_oauth2` gem for authentication (parameters changed).
+    Check `README` for additional info.
+*   Add `tokens`, `access_token` and `refresh_token` getters.
+*   Replace custom adapters and `HTTParty` with `Faraday` and its adapters.
+*   Delete undocumented `channel_panels` and `chat_links` methods
+    not from Kraken version.
+*   Rename `edit_channel` to `update_channel`.
+*   Add support of options (`stream_type`) for `stream`.
+*   Add `retriable`: retry requests on fails.
+*   Add `Twitch::ServerError` for 5xx HTTP errors, apply `retriable` to them.
+*   Specify required Ruby version, 2.4, and support Ruby 3.
+*   Use [`VCR`](https://relishapp.com/vcr/vcr/docs) (recorded HTTP requests)
+    for tests.
+*   Add [RuboCop](https://docs.rubocop.org/).
+*   Add [EditorConfig](https://editorconfig.org/) file.
+*   Increase max line length from 80 (previous RuboCop's default)
+    to 100 (average between previous and new RuboCop's default, 120).
+*   Replace `add_dependency` with more explicit `add_runtime_dependency` in gem spec.
+
+## 0.1.3
+
+*   Add options to `following` and `followed` methods.
+*   Add `channel_panels` method.
+
+## 0.1.2
+
+*   Fix `Twitch::Client#unfollow` method name.
+*   Allow `Twitch::Client#subscribed` method to receive query string options.
+
+## 0.1.1
+
+*   Allow to override `oauth_token` in options.
+
+## 0.1.0
+
+*   Replace `camelCase` method names with `snake_case`.
+*   Remove `get_` prefix from method names.
+*   Make `your_` prefix optional (e.g. `user` and `your_user` are equal).

Gemfile

@@ -1,2 +1,5 @@
+# frozen_string_literal: true
+
 source 'https://rubygems.org'
+
 gemspec

Gemfile.lock

@@ -1,38 +1,96 @@
 PATH
   remote: .
   specs:
-    twitch (0.1.2)
-      httparty
-      json
+    twitch (0.1.3)
+      faraday (~> 1.0)
+      faraday_middleware (~> 1.0)
+      retriable (~> 3.0)
+      twitch_oauth2 (~> 0.2.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    diff-lcs (1.2.5)
-    httparty (0.13.7)
-      json (~> 1.8)
-      multi_xml (>= 0.5.2)
-    json (1.8.3)
-    multi_xml (0.5.5)
-    rspec (3.0.0)
-      rspec-core (~> 3.0.0)
-      rspec-expectations (~> 3.0.0)
-      rspec-mocks (~> 3.0.0)
-    rspec-core (3.0.3)
-      rspec-support (~> 3.0.0)
-    rspec-expectations (3.0.3)
+    ast (2.4.2)
+    byebug (11.1.3)
+    coderay (1.1.3)
+    diff-lcs (1.4.4)
+    docile (1.3.5)
+    faraday (1.3.0)
+      faraday-net_http (~> 1.0)
+      multipart-post (>= 1.2, < 3)
+      ruby2_keywords
+    faraday-net_http (1.0.1)
+    faraday_middleware (1.0.0)
+      faraday (~> 1.0)
+    method_source (1.0.0)
+    multipart-post (2.1.1)
+    parallel (1.20.1)
+    parser (3.0.1.0)
+      ast (~> 2.4.1)
+    pry (0.13.1)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
+    pry-byebug (3.9.0)
+      byebug (~> 11.0)
+      pry (~> 0.13.0)
+    rainbow (3.0.0)
+    regexp_parser (2.1.1)
+    retriable (3.1.2)
+    rexml (3.2.5)
+    rspec (3.10.0)
+      rspec-core (~> 3.10.0)
+      rspec-expectations (~> 3.10.0)
+      rspec-mocks (~> 3.10.0)
+    rspec-core (3.10.1)
+      rspec-support (~> 3.10.0)
+    rspec-expectations (3.10.1)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.0.0)
-    rspec-mocks (3.0.3)
-      rspec-support (~> 3.0.0)
-    rspec-support (3.0.3)
+      rspec-support (~> 3.10.0)
+    rspec-mocks (3.10.2)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.10.0)
+    rspec-support (3.10.2)
+    rubocop (0.89.1)
+      parallel (~> 1.10)
+      parser (>= 2.7.1.1)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.7)
+      rexml
+      rubocop-ast (>= 0.3.0, < 1.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 1.4.0, < 2.0)
+    rubocop-ast (0.8.0)
+      parser (>= 2.7.1.5)
+    rubocop-performance (1.8.1)
+      rubocop (>= 0.87.0)
+      rubocop-ast (>= 0.4.0)
+    rubocop-rspec (1.44.1)
+      rubocop (~> 0.87)
+      rubocop-ast (>= 0.7.1)
+    ruby-progressbar (1.11.0)
+    ruby2_keywords (0.0.4)
+    simplecov (0.18.5)
+      docile (~> 1.1)
+      simplecov-html (~> 0.11)
+    simplecov-html (0.12.3)
+    twitch_oauth2 (0.2.0)
+      faraday (~> 1.0)
+      faraday_middleware (~> 1.0)
+    unicode-display_width (1.7.0)
+    vcr (6.0.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  rspec
+  pry-byebug (~> 3.9)
+  rspec (~> 3.9)
+  rubocop (~> 0.89.0)
+  rubocop-performance (~> 1.5)
+  rubocop-rspec (~> 1.38)
+  simplecov (~> 0.18.0)
   twitch!
+  vcr (~> 6.0)
 
 BUNDLED WITH
-   1.11.2
+   2.2.6