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fs = require 'fs'
path = require 'path'
{exec} = require 'child_process'
util = require 'util'
coffee = require 'coffee-script'
uglify = require 'uglify-js'
coreName = "scaleApp"
coreCoffeeDir = 'src'
pluginCoffeeDir = 'src/plugins'
moduleCoffeeDir = 'src/modules'
pluginTargetDir = 'build/plugins'
moduleTargetDir = 'build/modules'
libDir = 'lib'
targetDir = 'build'
coreCoffeeFiles = [
'Mediator'
'Sandbox'
'scaleApp'
]
reservedNames = [ ]
coreDepJsFiles = [ ]
pluginDeps = {}
createTargetDir = (cb) ->
util.log "create #{targetDir} directory"
fs.mkdir targetDir, 0755, cb
minifyJsFile = (file, resNames, cb) ->
fs.readFile "#{file}.js", 'utf8', (err, code) ->
util.log err if err
min = minify code, resNames
fs.writeFile "#{file}.min.js", min, 'utf8', (err) ->
util.log err if err
cb()
minify = (code, resNames) -> uglify.uglify.gen_code(
uglify.uglify.ast_squeeze(
uglify.uglify.ast_mangle(
uglify.parser.parse(code)
,{ except: resNames }
)
)
)+';'
filterJsFiles = (files) -> files.filter (s) -> (s.indexOf( ".js") isnt -1)
filterFullFiles = (files) -> files.filter (s) -> (s.indexOf(".full.js") isnt -1)
filterSingleFiles = (files) -> files.filter (s) ->
not (s.indexOf( ".full.js") isnt -1) and
not (s.indexOf( ".js.") isnt -1) and
not (s.indexOf( ".min.js") isnt -1) and
(s.indexOf( ".js") isnt -1)
minifyDir = (dir)->
fs.readdir dir, (err, files) ->
util.log err if err
single = filterSingleFiles files
full = filterFullFiles files
single = single.map (s) ->
s.replace(".js","")
full = full.map (s) ->
s.replace(".js","")
for f in single
minifyJsFile "#{dir}/#{f}", reservedNames, ->
for i in full
minifyJsFile "#{dir}/#{i}", null, ->
concate = (files, type, cb) ->
concateContents = new Array filesRemaining = files.length
util.log "concate #{filesRemaining} files"
for file, index in files then do (file, index) ->
fs.readFile "#{file}.#{type}", 'utf8', (err, fileContents) ->
util.log err if err
concateContents[index] = fileContents
if --filesRemaining is 0
cb concateContents.join '\n\n'
checkTargetDir = (cb) -> path.exists targetDir, (exists) ->
if not exists then createTargetDir (err) ->
util.log err if err
cb()
else cb()
task 'build', 'Build all', ->
invoke 'build:core'
invoke 'build:plugins'
invoke 'build:modules'
task 'build:core', 'Build a single JavaScript file from src files', ->
checkTargetDir ->
util.log "Building #{coreName}"
coreContents = new Array remaining = coreCoffeeFiles.length
util.log "Appending #{coreCoffeeFiles.length} files to #{coreName}.coffee"
files = ("#{coreCoffeeDir}/#{f}" for f in coreCoffeeFiles)
concate files, "coffee", (content) ->
targetName = "#{targetDir}/#{coreName}"
code = coffee.compile content
fs.writeFile "#{targetName}.js", code, 'utf8', (err) ->
util.log err if err
task 'build:full', "Builds a single file with all plugins", ->
checkTargetDir ->
fs.readdir pluginCoffeeDir, (err, files) ->
pluginFiles = files.filter (s) -> (s.indexOf( ".coffee") isnt -1)
pluginFiles = ("#{pluginCoffeeDir}/#{f.split(".coffee")[0]}" for f in pluginFiles)
coreFiles = ("#{coreCoffeeDir}/#{f}" for f in coreCoffeeFiles)
all = [ coreFiles..., pluginFiles...]
concate all, "coffee", (content) ->
targetName = "#{targetDir}/#{coreName}.full"
code = coffee.compile content
min = minify code, reservedNames
fs.writeFile "#{targetName}.js", code, 'utf8', (err) ->
util.log err if err
fs.writeFile "#{targetName}.min.js", min, 'utf8', (err) ->
util.log err if err
task 'watch', 'Watch prod source files and build changes', ->
util.log "Watching for changes in #{coreCoffeeDir}/"
for file in coreCoffeeDir then do (file) ->
fs.watchFile "#{coreCoffeeDir}/#{file}.coffee", (curr, prev) ->
if +curr.mtime isnt +prev.mtime
util.log "Saw change in #{coreCoffeeDir}/#{file}.coffee"
invoke 'build'
task 'build:plugins', "Build #{coreName} plugins from source files", ->
checkTargetDir ->
util.log "Building plugins"
exec "coffee -c -o #{pluginTargetDir} #{pluginCoffeeDir}", (err, stdout, stderr) ->
util.log err if err
task 'build:modules', "Build #{coreName} modules from source files", ->
checkTargetDir ->
util.log "Building modules"
exec "coffee -c -o #{moduleTargetDir} #{moduleCoffeeDir}", (err, stdout, stderr) ->
util.log err if err
task 'minify', "Minify all js files", ->
invoke "build"
invoke "minify:core"
invoke "minify:plugins"
invoke "minify:modules"
task 'minify:core', "Minify the core", -> minifyDir targetDir
task 'minify:plugins', "Minify the plugins", -> minifyDir pluginTargetDir
task 'minify:modules', "Minify the modules", -> minifyDir moduleTargetDir
task 'test', "runs the tests", ->
exec "jasmine-node --coffee spec/", (err, stdout) ->
util.log err if err
util.log stdout if stdout
task 'doc', "create docs", ->
checkTargetDir ->
exec "docco #{coreCoffeeDir}/*.coffee #{pluginCoffeeDir}/*.coffee", (err,stdout) ->
util.log err if err
util.log stdout if stdout
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