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fs = require 'fs'
{exec} = require 'child_process'
util = require 'util'
{jsmin} = require 'jsmin'
try
packer = require 'packer'
catch err
packer = null
targetName = "caman"
###
CoffeeScript Options
###
csSrcDir = "src"
csTargetDir = "dist"
targetCoffee = "#{csSrcDir}/build"
targetCoreJS = "#{csTargetDir}/#{targetName}.js"
targetCoreMinJS = "#{csTargetDir}/#{targetName}.min.js"
targetCorePackJS = "#{csTargetDir}/#{targetName}.pack.js"
coffeeCoreOpts = "-j #{targetName}.js -o #{csTargetDir} -c #{targetCoffee}.coffee"
targetFullJS = "#{csTargetDir}/#{targetName}.full.js"
targetFullMinJS = "#{csTargetDir}/#{targetName}.full.min.js"
targetFullPackJS = "#{csTargetDir}/#{targetName}.full.pack.js"
coffeeFullOpts = "-j #{targetName}.full.js -o #{csTargetDir} -c #{targetCoffee}.full.coffee"
# All source files listed in include order
coffeeFiles = [
"core/util"
# Core library
"core/caman"
"core/camaninstance"
# Everything else
"core/analyze"
"core/autoload"
"core/blender"
"core/calculate"
"core/convert"
"core/event"
"core/filter"
"core/io"
"core/layer"
"core/logger"
"core/pixelinfo"
"core/plugin"
"core/renderjob"
"core/store"
# Non-core files
"lib/blenders"
"lib/filters"
]
pluginsFolder = "src/plugins"
###
Event System
###
finishedCallback = {}
finished = (type) ->
finishedCallback[type]() if finishedCallback[type]?
finishListener = (type, cb) ->
finishedCallback[type] = cb
getPlugins = ->
content = ""
util.log "Gathering plugin files in #{pluginsFolder}"
pluginFiles = fs.readdirSync pluginsFolder
util.log "Discovered #{pluginFiles.length} plugins"
for plugin in pluginFiles
continue if fs.statSync("#{pluginsFolder}/#{plugin}").isDirectory()
content += fs.readFileSync("#{pluginsFolder}/#{plugin}", "utf8") + "\n\n"
return content
###
Tasks
###
task 'docs', 'Generates documentation for the coffee files', ->
util.log 'Invoking docco on the CoffeeScript source files'
files = coffeeFiles
files[i] = "src/#{files[i]}.coffee" for i in [0...files.length]
pluginFiles = fs.readdirSync pluginsFolder
for plugin in pluginFiles
continue if fs.statSync("#{pluginsFolder}/#{plugin}").isDirectory()
files.push "#{pluginsFolder}/#{plugin}"
exec "docco #{files.join(' ')}", (err, stdout, stderr) ->
util.log err if err
util.log "Documentation built into docs/ folder."
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', ->
util.log "Building #{targetCoreJS} and #{targetFullJS}"
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 = ->
core = contents.join("\n\n")
full = core + "\n\n" + getPlugins()
fs.writeFile "#{targetCoffee}.coffee", core, "utf8", (err) ->
util.log err if err
exec "coffee #{coffeeCoreOpts}", (err, stdout, stderr) ->
util.log err if err
util.log "Compiled #{targetCoreJS}"
if not err
fs.unlink "#{targetCoffee}.coffee", (err) -> util.log err if err
fs.writeFile "#{targetCoffee}.full.coffee", full, "utf8", (err) ->
util.log err if err
exec "coffee #{coffeeFullOpts}", (err, stdout, stderr) ->
util.log err if err
util.log "Compiled #{targetFullJS}"
if not err
fs.unlink "#{targetCoffee}.full.coffee", (err) -> util.log err if err
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
if packer
util.log "Packing #{targetCoreJS}"
fs.writeFile targetCorePackJS, packer.pack(contents, true), "utf8", (err) ->
util.log err if err
util.log "Minifying #{targetFullJS}"
fs.readFile targetFullJS, "utf8", (err, contents) ->
fs.writeFile targetFullMinJS, jsmin(contents), "utf8", (err) ->
util.log err if err
if packer
util.log "Packing #{targetFullJS}"
fs.writeFile targetFullPackJS, packer.pack(contents, true), "utf8", (err) ->
util.log err if err