kpdecker
3cac2672d0
Removes unnecessary commonjs code generated for the parser. This reduces the size of the parse by about 700bytes and should resolve lookup issues with browserify and other static analysis tools. See #220
118 lines
3.2 KiB
Ruby
118 lines
3.2 KiB
Ruby
require "rubygems"
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require "bundler/setup"
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def compile_parser
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system "./node_modules/jison/lib/jison/cli-wrapper.js -m js src/handlebars.yy src/handlebars.l"
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if $?.success?
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File.open("lib/handlebars/compiler/parser.js", "w") do |file|
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file.puts File.read("src/parser-prefix.js") + File.read("handlebars.js") + File.read("src/parser-suffix.js")
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end
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sh "rm handlebars.js"
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else
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puts "Failed to run Jison."
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end
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end
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file "lib/handlebars/compiler/parser.js" => ["src/handlebars.yy","src/handlebars.l"] do
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if File.exists?('./node_modules/jison/lib/jison/cli-wrapper.js')
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compile_parser
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else
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puts "Jison is not installed. Trying `npm install jison`."
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sh "npm install jison"
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compile_parser
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end
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end
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task :compile => "lib/handlebars/compiler/parser.js"
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desc "run the spec suite"
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task :spec => [:release] do
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rc = system "rspec -cfs spec"
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fail "rspec spec failed with exit code #{$?.exitstatus}" if (rc.nil? || ! rc || $?.exitstatus != 0)
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end
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task :default => [:compile, :spec]
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def remove_exports(string)
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match = string.match(%r{^// BEGIN\(BROWSER\)\n(.*)\n^// END\(BROWSER\)}m)
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match ? match[1] : string
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end
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minimal_deps = %w(base compiler/parser compiler/base compiler/ast utils compiler/compiler runtime).map do |file|
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"lib/handlebars/#{file}.js"
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end
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runtime_deps = %w(base utils runtime).map do |file|
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"lib/handlebars/#{file}.js"
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end
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directory "dist"
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minimal_deps.unshift "dist"
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def build_for_task(task)
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FileUtils.rm_rf("dist/*") if File.directory?("dist")
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FileUtils.mkdir_p("dist")
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contents = []
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task.prerequisites.each do |filename|
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next if filename == "dist"
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contents << "// #{filename}\n" + remove_exports(File.read(filename)) + ";"
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end
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File.open(task.name, "w") do |file|
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file.puts contents.join("\n")
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end
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end
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file "dist/handlebars.js" => minimal_deps do |task|
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build_for_task(task)
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end
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file "dist/handlebars.runtime.js" => runtime_deps do |task|
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build_for_task(task)
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end
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task :build => [:compile, "dist/handlebars.js"]
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task :runtime => [:compile, "dist/handlebars.runtime.js"]
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desc "build the build and runtime version of handlebars"
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task :release => [:build, :runtime]
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directory "vendor"
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desc "benchmark against dust.js and mustache.js"
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task :bench => "vendor" do
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require "open-uri"
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#File.open("vendor/mustache.js", "w") do |file|
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#file.puts open("https://github.com/janl/mustache.js/raw/master/mustache.js").read
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#file.puts "module.exports = Mustache;"
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#end
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File.open("vendor/benchmark.js", "w") do |file|
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file.puts open("https://raw.github.com/bestiejs/benchmark.js/master/benchmark.js").read
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end
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#if File.directory?("vendor/dustjs")
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#system "cd vendor/dustjs && git pull"
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#else
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#system "git clone git://github.com/akdubya/dustjs.git vendor/dustjs"
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#end
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#if File.directory?("vendor/coffee")
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#system "cd vendor/coffee && git pull"
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#else
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#system "git clone git://github.com/jashkenas/coffee-script.git vendor/coffee"
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#end
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#if File.directory?("vendor/eco")
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#system "cd vendor/eco && git pull && npm update"
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#else
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#system "git clone git://github.com/sstephenson/eco.git vendor/eco && cd vendor/eco && npm update"
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#end
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system "node bench/handlebars.js"
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end
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