05eb46ac3f
Hopefully fixes #2548. --------- Signed-off-by: George Araujo <george.gcac@gmail.com> Signed-off-by: George Araújo <george.gcac@gmail.com>
103 lines
3.0 KiB
Ruby
103 lines
3.0 KiB
Ruby
# based on https://github.com/RobertoJBeltran/jekyll-terser
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# it should be changed to use `jekyll-terser` gem after https://github.com/RobertoJBeltran/jekyll-terser/pull/1 is merged
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require 'terser'
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module Jekyll
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module Terser
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class JSFile < Jekyll::StaticFile
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@@mtimes = {}
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# Initialize a new JSFile.
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# +site+ is the Site
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# +base+ is the String path to the <source>
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# +dir+ is the String path between <source> and the file
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# +name+ is the String filename of the file
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# +terser+ is the Terser instance
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def initialize(site, base, dir, name, terser = nil)
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super(site, base, dir, name)
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@site = site
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@base = base
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@dir = dir
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@name = name
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if terser.nil?
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if site.config["terser"].nil?
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options = {}
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else
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options = site.config["terser"]
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end
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@terser = ::Terser.new(options.transform_keys(&:to_sym))
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else
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@terser = terser
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end
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end
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# Obtain destination path.
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# +dest+ is the String path to the destination dir
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#
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# Returns destination file path.
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def destination(dest)
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File.join(dest, @dir, @name)
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end
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# Process the .js file
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# +dest+ is the String path to the destination dir
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#
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# Returns false if the file was not modified since last time (no-op).
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def write(dest)
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dest_path = destination(dest)
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return false if File.exist? dest_path and !modified?
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@@mtimes[path] = mtime
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FileUtils.mkdir_p(File.dirname(dest_path))
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begin
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content = File.read(path)
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content = @terser.compile(content)
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File.open(dest_path, 'w') do |f|
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f.write(content)
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end
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rescue => e
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STDERR.puts "Terser Exception: #{e.message}"
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end
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true
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end
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end
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class TerserGenerator < Jekyll::Generator
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safe true
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# Initialize options from site config.
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def initialize(config = {})
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# check if options is not empty
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if config["terser"].nil?
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@options = {}
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else
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@options = config["terser"]
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end
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@terser = ::Terser.new(@options.transform_keys(&:to_sym))
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end
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# Jekyll will have already added the *.js files as Jekyll::StaticFile
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# objects to the static_files array. Here we replace those with a
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# JSFile object.
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def generate(site)
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site.static_files.clone.each do |sf|
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# do not process already minified files
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if sf.kind_of?(Jekyll::StaticFile) && sf.path =~ /\.js$/ && !sf.path.end_with?(".min.js")
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puts "Terser: Minifying #{sf.path}"
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site.static_files.delete(sf)
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name = File.basename(sf.path)
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destination = File.dirname(sf.path).sub(site.source, '')
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js_file = JSFile.new(site, site.source, destination, name, @terser)
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site.static_files << js_file
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end
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end
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end
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end
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end
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end
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