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fs = require 'fs'
{print} = require 'util'
{spawn, exec} = require 'child_process'
watchit = require 'watchit'
build = (watch, callback) ->
if typeof watch is 'function'
callback = watch
watch = false
options = ['-c', '-o', 'lib', 'src']
options.unshift '-w' if watch
coffee = spawn './node_modules/.bin/coffee', options
coffee.stdout.on 'data', (data) -> print data.toString()
coffee.stderr.on 'data', (data) -> print data.toString()
coffee.on 'exit', (status) -> callback?() if status is 0
task 'docs', 'Generate annotated source code with Docco', ->
fs.readdir 'src', (err, contents) ->
files = ("src/#{file}" for file in contents when /\.coffee$/.test file)
docco = spawn 'docco', files
docco.stdout.on 'data', (data) -> print data.toString()
docco.stderr.on 'data', (data) -> print data.toString()
docco.on 'exit', (status) -> callback?() if status is 0
task 'build', 'Compile CoffeeScript source files', ->
task 'watch', 'Recompile CoffeeScript source files when modified', ->
build true
task 'test', 'Run the test suite (and re-run if anything changes)', ->
suite = null
build ->
do runTests = ->
suiteNames = [
suiteIndex = 0
do runNextTestSuite = ->
return unless suiteName = suiteNames[suiteIndex]
suite = spawn "coffee", ["-e", "{reporters} = require 'nodeunit'; ['#{suiteName}.coffee']"], cwd: 'test'
suite.stdout.on 'data', (data) -> print data.toString()
suite.stderr.on 'data', (data) -> print data.toString()
suite.on 'exit', -> suiteIndex++; runNextTestSuite()
invoke 'docs' # lest I forget
watchTargets = (targets..., callback) ->
for target in targets
watchit target, include: true, (event) ->
callback() unless event is 'success'
watchTargets 'src', -> build runTests
watchTargets 'test', 'Cakefile', runTests