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prefix = File.dirname( __FILE__ )
# Directory variables
src_dir = File.join( prefix, 'src' )
build_dir = File.join( prefix, 'build' )
test_dir = File.join( prefix, 'test' )
# A different destination directory can be set by
# setting DIST_DIR before calling rake
dist_dir = ENV['DIST_DIR'] || File.join( prefix, 'dist' )
base_files = %w{intro core support data queue attributes event selector traversing manipulation css ajax effects offset dimensions outro}.map { |js| File.join( src_dir, "#{js}.js" ) }
# Sizzle, QUnit and jQuery files/dirs
sizzle_dir = File.join( src_dir, "sizzle" )
sizzle = File.join( sizzle_dir, "sizzle.js" )
selector = File.join( src_dir, "selector.js" )
qunit_dir = File.join( test_dir, "qunit" )
qunit = File.join( qunit_dir, "qunit", "qunit.js" )
jq = File.join( dist_dir, "jquery.js" )
jq_min = File.join( dist_dir, "jquery.min.js" )
# General Variables
date = `git log -1`[/^Date:\s+(.+)$/, 1]
version = File.read( File.join( prefix, 'version.txt' ) ).strip
# Build tools
rhino = "java -jar #{build_dir}/js.jar"
minfier = "java -jar #{build_dir}/google-compiler-20100917.jar"
# Turn off output other than needed from `sh` and file commands
verbose(false)
# Tasks
task :default => "all"
desc "Builds jQuery; Tests with JSLint; Minifies jQuery"
task :all => [:jquery, :lint, :min] do
puts "jQuery build complete."
end
desc "Builds jQuery: jquery.js (Default task)"
task :jquery => [:selector, jq]
desc "Builds a minified version of jQuery: jquery.min.js"
task :min => jq_min
task :init => [sizzle, qunit] do
sizzle_git = File.join(sizzle_dir, '.git')
qunit_git = File.join(qunit_dir, '.git')
puts "Updating SizzleJS with latest..."
sh "git --git-dir=#{sizzle_git} pull -q origin master"
puts "Updating QUnit with latest..."
sh "git --git-dir=#{qunit_git} pull -q origin master"
end
desc "Removes dist folder, selector.js, and Sizzle/QUnit"
task :clean do
puts "Removing Distribution directory: #{dist_dir}..."
rm_rf dist_dir
puts "Removing built copy of Sizzle..."
rm_rf selector
puts "Removing cloned directories..."
rm_rf qunit_dir
rm_rf sizzle_dir
end
desc "Rebuilds selector.js from SizzleJS"
task :selector => [:init, selector]
desc "Tests built jquery.js against JSLint"
task :lint => jq do
puts "Checking jQuery against JSLint..."
sh "#{rhino} " + File.join(build_dir, 'jslint-check.js')
end
# File and Directory Dependencies
directory dist_dir
file jq => [dist_dir, base_files].flatten do
puts "Building jquery.js..."
File.open(jq, 'w') do |f|
f.write cat(base_files).gsub(/(Date:.)/, "\\1#{date}" ).gsub(/@VERSION/, version)
end
end
file jq_min => jq do
puts "Building jquery.min.js..."
sh "#{minfier} --js #{jq} --warning_level QUIET --js_output_file #{jq_min}"
min = File.read( jq_min )
# Equivilent of "head"
File.open(jq_min, 'w') do |f|
f.write File.readlines(jq)[0..14].join()
f.write min
end
end
file selector => [sizzle, :init] do
puts "Building selector code from Sizzle..."
File.open(selector, 'w') do |f|
f.write File.read(sizzle).gsub(
/^.+EXPOSE$\n/,
'\0' + File.read( File.join( src_dir, 'sizzle-jquery.js' ))
).gsub(
/^window.Sizzle.+$\n/, ''
)
end
end
file sizzle do
puts "Retrieving SizzleJS from Github..."
sh "git clone git://github.com/jeresig/sizzle.git #{sizzle_dir}"
end
file qunit do
puts "Retrieving QUnit from Github..."
sh "git clone git://github.com/jquery/qunit.git #{qunit_dir}"
end
def cat( files )
files.map do |file|
File.read(file)
end.join('')
end
|
