Use emoji unicode instead of images

Author: dejan

Gemfile.lock

@@ -2,7 +2,7 @@ PATH
   remote: .
   specs:
     auto_html (2.0.2)
-      gemoji (~> 2.1)
+      gemoji (~> 4.0.0.rc2)
       redcarpet (~> 3.5)
       rinku (~> 2.0)
 
@@ -11,14 +11,14 @@ GEM
   specs:
     ast (2.4.2)
     diff-lcs (1.4.4)
-    gemoji (2.1.0)
+    gemoji (4.0.0.rc3)
     parallel (1.21.0)
     parser (3.0.3.1)
       ast (~> 2.4.1)
     rainbow (3.0.0)
     rake (13.0.6)
     redcarpet (3.5.1)
-    regexp_parser (2.1.1)
+    regexp_parser (2.2.0)
     rexml (3.2.5)
     rinku (2.0.6)
     rspec (3.10.0)
@@ -33,7 +33,7 @@ GEM
     rspec-mocks (3.10.2)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.10.0)
-    rspec-support (3.10.2)
+    rspec-support (3.10.3)
     rspec_junit_formatter (0.4.1)
       rspec-core (>= 2, < 4, != 2.12.0)
     rubocop (1.23.0)
@@ -45,7 +45,7 @@ GEM
       rubocop-ast (>= 1.12.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.13.0)
+    rubocop-ast (1.14.0)
       parser (>= 3.0.1.1)
     ruby-progressbar (1.11.0)
     unicode-display_width (2.1.0)

README.md

@@ -56,7 +56,7 @@ comment_format.call("Hello!\n\n Checkout out my blog: http://rors.org :point_lef
 
 Bellow is the list of bundled filters along with their optional arguments on initialization and their default values.
 
-* `AutoHtml::Emoji`, width: 20, height: 20, asset_root: '/images'
+* `AutoHtml::Emoji`
 * `AutoHtml::HtmlEscape`
 * `AutoHtml::Image`, proxy: nil, alt: nil
 * `AutoHtml::Link`, target: nil, rel: nil

auto_html.gemspec

@@ -12,7 +12,7 @@ Gem::Specification.new do |gem|
   gem.homepage = 'https://github.com/dejan/auto_html'
   gem.license  = 'MIT'
 
-  gem.add_dependency 'gemoji', '~> 2.1'
+  gem.add_dependency 'gemoji', '~> 4.0.0.rc2'
   gem.add_dependency 'redcarpet', '~> 3.5'
   gem.add_dependency 'rinku', '~> 2.0'
 

lib/auto_html/emoji.rb

@@ -5,26 +5,10 @@
 module AutoHtml
   # Emoji filter
   class Emoji
-    def initialize(asset_root: '/images', width: 20, height: 20)
-      @asset_root = asset_root
-      @width = width
-      @height = height
-    end
-
     def call(text)
       text.gsub(self.class.emoji_pattern) do
         name = Regexp.last_match(1)
-        alt = ":#{name}:"
-        html_options = {
-          src: emoji_url(name),
-          class: 'emoji',
-          title: alt,
-          alt: alt,
-          height: @width,
-          witdh: @height,
-          align: 'absmiddle'
-        }
-        TagHelper.tag(:img, html_options)
+        ::Emoji.find_by_alias(name).raw
       end
     end
 
@@ -36,19 +20,5 @@ def self.emoji_pattern
     def self.emoji_names
       ::Emoji.all.map(&:aliases).flatten.sort
     end
-
-    private
-
-    def emoji_url(name)
-      File.join(@asset_root, asset_path(name))
-    end
-
-    def asset_path(name)
-      File.join('emoji', emoji_filename(name))
-    end
-
-    def emoji_filename(name)
-      ::Emoji.find_by_alias(name).image_filename
-    end
   end
 end

spec/auto_html/emoji_spec.rb

@@ -4,9 +4,6 @@
 
 RSpec.describe AutoHtml::Emoji do
   it 'converts emoji to HTML' do
-    expect(subject.call(':joy:')).to eq(
-      '<img src="/images/emoji/unicode/1f602.png" class="emoji" title=":joy:" '\
-      'alt=":joy:" height="20" witdh="20" align="absmiddle" />'
-    )
+    expect(subject.call(':joy:')).to eq('😂')
   end
 end