Import the pebble dev site into devsite/

devsite/plugins/generator_minify_js.rb

@@ -0,0 +1,58 @@
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+require 'uglifier'
+require 'digest'
+
+module Jekyll
+  # Jekyll Generator for concatenating and minifying JS for production site
+  class GeneratorMinifyJS < Generator
+    priority :highest
+
+    def initialize(_)
+    end
+
+    def generate(site)
+      return if site.config['rack_env'] == 'development'
+      @site = site
+      @tmp_dir = File.join(site.source, '../tmp/')
+      @js_dir = 'assets/js/'
+      @tmp_js_dir = File.join(@tmp_dir, @js_dir)
+      libs_js = uglify_libs
+      libs_md5 = Digest::MD5.hexdigest(libs_js)
+      @site.data['js']['lib_hash'] = libs_md5
+      create_libs_js(libs_js, libs_md5)
+    end
+
+    private
+
+    def uglify_libs
+      ugly_libs = []
+      @site.data['js']['libs'].each do |lib|
+        lib_path = File.join(@site.source, 'assets', lib['path'])
+        ugly_libs << Uglifier.compile(File.read(lib_path))
+      end
+      ugly_libs.join("\n\n")
+    end
+
+    def create_libs_js(js, md5)
+      FileUtils.mkdir_p(@tmp_js_dir)
+      File.open(File.join(@tmp_js_dir, "libs-#{md5}.js"), 'w') do |f|
+        f.write(js)
+      end
+      @site.static_files << Jekyll::StaticFile.new(@site, @tmp_dir, @js_dir,
+                                                   "libs-#{md5}.js")
+    end
+  end
+end