generate a smaller json to fix the sheet coordinates

.prettierignore

@@ -63,7 +63,7 @@ docker-compose.override.yml
 
 # Ignore emoji map file
 /app/javascript/mastodon/features/emoji/emoji_map.json
-/app/javascript/mastodon/features/emoji/emoji_data.json
+/app/javascript/mastodon/features/emoji/emoji_sheet.json
 
 # Ignore locale files
 /app/javascript/mastodon/locales/*.json

app/javascript/mastodon/features/emoji/emoji_compressed.js

@@ -17,10 +17,11 @@ const emojiMart5Data = require('@emoji-mart/data/sets/15/all.json');
 const { uncompress: emojiMartUncompress } = require('emoji-mart/dist/utils/data');
 const _ = require('lodash');
 
+
+const emojiMap = require('./emoji_map.json');
 // This json file is downloaded from https://github.com/iamcal/emoji-data/
 // and is used to correct the sheet coordinates since we're using that repo's sheet
-const emojiDataJson = require('./emoji_data.json');
-const emojiMap = require('./emoji_map.json');
+const emojiDataJson = require('./emoji_sheet.json');
 const { unicodeToFilename } = require('./unicode_to_filename');
 const { unicodeToUnifiedName } = require('./unicode_to_unified_name');
 

lib/tasks/emojis.rake

@@ -104,14 +104,35 @@ namespace :emojis do
     end
   end
 
-  desc 'Download the JSON definition of emojis'
-  task :download_json do
+  desc 'Download the JSON sheet data of emojis'
+  task :download_sheet_json do
     source = 'https://raw.githubusercontent.com/iamcal/emoji-data/refs/tags/v15.1.2/emoji.json'
-    dest   = Rails.root.join('app', 'javascript', 'mastodon', 'features', 'emoji', 'emoji_data.json')
+    dest   = Rails.root.join('app', 'javascript', 'mastodon', 'features', 'emoji', 'emoji_sheet.json')
 
-    puts "Downloading emojos data from source... (#{source})"
+    puts "Downloading emoji data from source... (#{source})"
 
     res = HTTP.get(source).to_s
-    File.write(dest, res)
+    data = JSON.parse(res)
+
+    filtered_data = data.map do |emoji|
+      filtered_item = {
+        'unified' => emoji['unified'],
+        'sheet_x' => emoji['sheet_x'],
+        'sheet_y' => emoji['sheet_y'],
+        'skin_variations' => {},
+      }
+
+      emoji['skin_variations']&.each do |key, variation|
+        filtered_item['skin_variations'][key] = {
+          'unified' => variation['unified'],
+          'sheet_x' => variation['sheet_x'],
+          'sheet_y' => variation['sheet_y'],
+        }
+      end
+
+      filtered_item
+    end
+
+    File.write(dest, JSON.generate(filtered_data))
   end
 end