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fs = require 'fs'
{exec, spawn} = require 'child_process'
util = require 'util'
{jsmin} = require 'jsmin'
targetName = "psd"
###
CoffeeScript Options
###
strictMode = false
csSrcDir = "src"
csTargetDir = "lib"
depsDir = "deps"
targetCoffee = "#{csSrcDir}/build"
targetCoreJS = "#{csTargetDir}/#{targetName}.js"
targetCoreMinJS = "#{csTargetDir}/#{targetName}.min.js"
coffeeCoreOpts = "-j #{targetName}.js -o #{csTargetDir} -c #{targetCoffee}.coffee"
# All source files listed in include order
coffeeFiles = [
"psdassert"
"psd"
"psdcolor"
"psddescriptor"
"psdfile"
"psdheader"
"psdimage"
"psdchannelimage"
"psdlayer"
"psdlayermask"
"layerdata/blackwhite"
"layerdata/brightnesscontrast"
"layerdata/colorbalance"
"layerdata/curves"
"layerdata/exposure"
"layerdata/gradient"
"layerdata/huesaturation"
"layerdata/invert"
"layerdata/layereffect"
"layerdata/levels"
"layerdata/pattern"
"layerdata/photofilter"
"layerdata/posterize"
"layerdata/selectivecolor"
"layerdata/solidcolor"
"layerdata/threshold"
"layerdata/typetool"
"layerdata/vibrance"
"psdresource"
"util"
"log"
]
###
Event System
###
finishedCallback = {}
finished = (type) ->
finishedCallback[type]() if finishedCallback[type]?
finishListener = (type, cb) ->
finishedCallback[type] = cb
###
Options
###
option '-f', '--file [FILE]', 'Test file to load (for debugging)'
###
Tasks
###
task 'debug', 'Run psd.js in debug mode with node-inspector', (opts) ->
throw "Must specify a file with -f" if not opts.file
debug = spawn 'coffee', ['--nodejs', '--debug-brk', opts.file]
debug.stdout.on 'data', (data) -> console.log data
insp = spawn 'node-inspector'
insp.stdout.on 'data', (data) -> util.log data
exec 'open http://127.0.0.1:8080/debug?port=5858'
task 'docs', 'Generates documentation for the coffee files', ->
util.log 'Invoking docco on the CoffeeScript source files'
files = coffeeFiles
files[i] = "#{csSrcDir}/#{files[i]}.coffee" for i in [0...files.length]
exec "./node_modules/docco/bin/docco #{files.join(' ')}", (err, stdout, stderr) ->
util.log err if err
util.log "Documentation built into docs/ folder."
task 'test', 'Run all unit tests', ->
reporter = require('nodeunit').reporters.default
process.chdir __dirname
console.log "=> Running unit tests"
reporter.run ['test/unit_tests'], null, ->
{TargetPractice} = require './test/targetpractice'
tp = new TargetPractice "psd.tp/**/*.json"
console.log "\n=> Running TargetPractice"
tp.runTests()
task 'watch', 'Automatically recompile the CoffeeScript files when updated', ->
util.log "Watching for changes in #{csSrcDir}"
for jsFile in coffeeFiles then do (jsFile) ->
fs.watchFile "#{csSrcDir}/#{jsFile}.coffee", (curr, prev) ->
if +curr.mtime isnt +prev.mtime
util.log "#{csSrcDir}/#{jsFile}.coffee updated"
invoke 'build'
task 'build', 'Compile and minify all CoffeeScript source files', ->
finishListener 'js', -> invoke 'minify'
invoke 'compile'
task 'compile', 'Compile all CoffeeScript source files', (opts) ->
util.log "Building #{targetCoreJS}"
contents = []
remaining = coffeeFiles.length
util.log "Appending #{coffeeFiles.length} files to #{targetCoffee}.coffee"
for file, index in coffeeFiles then do (file, index) ->
fs.readFile "#{csSrcDir}/#{file}.coffee", "utf8", (err, fileContents) ->
util.log err if err
contents[index] = fileContents
util.log "[#{index + 1}] #{file}.coffee"
process() if --remaining is 0
process = ->
contents.unshift "###\nEND DEPENDENCIES\n###\n\n"
deps = fs.readdirSync depsDir
for dep in deps
util.log "Adding dependency #{dep}"
contents.unshift "`" + fs.readFileSync("#{depsDir}/#{dep}", "utf8") + "`\n\n"
contents.unshift fs.readFileSync("#{csSrcDir}/license.coffee") + "\n\n"
contents.unshift "\"use strict\"" if strictMode
core = contents.join("\n\n")
fs.writeFile "#{targetCoffee}.coffee", core, "utf8", (err) ->
util.log err if err
exec "./node_modules/.bin/coffee #{coffeeCoreOpts}", (err, stdout, stderr) ->
util.log err if err
util.log "Compiled #{targetCoreJS}"
fs.unlink "#{targetCoffee}.coffee"
finished('js')
task 'minify', 'Minify the CoffeeScript files', ->
util.log "Minifying #{targetCoreJS}"
fs.readFile targetCoreJS, "utf8", (err, contents) ->
fs.writeFile targetCoreMinJS, jsmin(contents), "utf8", (err) ->
util.log err if err
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