coderdojo-japan · yasulab · Dec 31, 2025 · Dec 31, 2025 · Dec 31, 2025
diff --git a/.github/workflows/scheduler_daily.yml b/.github/workflows/scheduler_daily.yml
@@ -59,6 +59,7 @@ jobs:
     - name: 📍 Generate DojoMap from Earth/Japan data
       run: |
         bundle exec rake upsert_dojos_geojson
+        bundle exec rake compact_geojson
 
     - name: 🆙 Commit latest data to update DojoMap (if any)
       run: |
@@ -79,6 +80,7 @@ jobs:
 
           # Save GeoJSON data to render DojoMap
           git add dojos.geojson
+          git add dojos.min.geojson
 
           # Commit changed files above
           git commit -m '🤖 Upsert Earth/Japan data for DojoMap'

diff --git a/Rakefile b/Rakefile
@@ -7,6 +7,7 @@ task(:get_data_from_japan)  { ruby 'get_data_from_japan.rb'  }
 task(:cache_dojo_logos)     { ruby 'cache_dojo_logos.rb'     }
 task(:cache_data_as_yaml)   { ruby 'cache_data_as_yaml.rb'   }
 task(:upsert_dojos_geojson) { ruby 'upsert_dojos_geojson.rb' }
+task(:compact_geojson)      { ruby 'compact_geojson.rb'      }
 
 # GitHub - gjtorikian/html-proofer
 # https://github.com/gjtorikian/html-proofer

diff --git a/cache_data_as_yaml.rb b/cache_data_as_yaml.rb
@@ -7,9 +7,6 @@
 # Earth data: from RasPi's Clubs API: https://clubs-api.raspberrypi.org
 EARTH_YAML_PATH = '_data/earth.yml'
 
-# Ensure _data directory exists
-FileUtils.mkdir_p('_data')
-
 # Load Earth data (use string keys, not symbols)
 dojos_earth = JSON.load(File.read('dojos_earth.json'),
                    nil,

diff --git a/compact_geojson.rb b/compact_geojson.rb
@@ -1,8 +1,20 @@
 #!/usr/bin/env ruby
 require 'json'
 
-# Just compact it for better loading by Computer
+# Create a minified version of dojos.geojson for production use
 geojson = JSON.load(File.read("dojos.geojson"))
-File.open('dojos.geojson', 'w') do |file|
+
+# Write minified version (no whitespace)
+File.open('dojos.min.geojson', 'w') do |file|
   JSON.dump(geojson, file)
 end
+
+# Calculate size reduction
+original_size = File.size("dojos.geojson")
+minified_size = File.size("dojos.min.geojson")
+reduction = ((original_size - minified_size) * 100.0 / original_size).round(1)
+
+puts "✅ Created dojos.min.geojson"
+puts "   Original: #{(original_size / 1024.0).round(1)} KB"
+puts "   Minified: #{(minified_size / 1024.0).round(1)} KB"
+puts "   Reduction: #{reduction}%"
diff --git a/dojos.min.geojson b/dojos.min.geojson
diff --git a/index.html b/index.html
@@ -63,7 +63,7 @@
   <body>
     <div
       class="geolonia"
-      data-geojson="./dojos.geojson"
+      data-geojson="./dojos.min.geojson"
       data-lat="35.6809591"
       data-lng="139.7673068"
       data-zoom="5"

diff --git a/world.html b/world.html
@@ -60,7 +60,7 @@
   <body>
     <div
       class="geolonia"
-      data-geojson="./dojos.geojson"
+      data-geojson="./dojos.min.geojson"
       data-lat="35.6809591"
       data-lng="139.7673068"
       data-zoom="0"