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