Add optional support for compressing with jsmin

package.json

@@ -21,5 +21,6 @@
 , "devDependencies" :
   { "coffee-script" : ">= 1.0.0"
   , "nodeunit" : ">= 0.5.0"
+  , "jsmin" : ">= 1.0.0"
   }
 }

src/stitch.coffee

@@ -23,13 +23,18 @@ try
     module._compile content, filename
 catch err
 
+try
+  jsmin = require('jsmin').jsmin
+catch err
+
 
 exports.Package = class Package
   constructor: (config) ->
     @identifier   = config.identifier ? 'require'
     @paths        = config.paths ? ['lib']
     @dependencies = config.dependencies ? []
     @compilers    = _.extend {}, compilers, config.compilers
+    @compress     = (config.compress and jsmin) or false
 
     @cache        = config.cache ? true
     @mtimeCache   = {}
@@ -39,9 +44,12 @@ exports.Package = class Package
     async.parallel [
       @compileDependencies
       @compileSources
-    ], (err, parts) ->
+    ], (err, parts) =>
       if err then callback err
-      else callback null, parts.join("\n")
+      else
+        sources = parts.join("\n")
+        sources = jsmin sources if @compress
+        callback null, sources
 
   compileDependencies: (callback) =>
     async.map @dependencies, fs.readFile, (err, dependencySources) =>

test/fixtures/compress/foo.js

@@ -0,0 +1,3 @@
+function() {
+    console.log("hello, world!");
+}

test/test_stitch.coffee

@@ -2,12 +2,13 @@ sys = require "sys"
 fs  = require "fs"
 stitch = require "stitch"
 
-fixtureRoot  = __dirname + "/fixtures"
-fixtures     = fixtureRoot + "/default"
-altFixtures  = fixtureRoot + "/alternate"
-addlFixtures = fixtureRoot + "/additional"
-ecoFixtures  = fixtureRoot + "/eco"
-linkFixtures = fixtureRoot + "/link"
+fixtureRoot      = __dirname + "/fixtures"
+fixtures         = fixtureRoot + "/default"
+altFixtures      = fixtureRoot + "/alternate"
+addlFixtures     = fixtureRoot + "/additional"
+ecoFixtures      = fixtureRoot + "/eco"
+linkFixtures     = fixtureRoot + "/link"
+compressFixtures = fixtureRoot + "/compress"
 fixtureCount = 15
 
 defaultOptions =
@@ -44,6 +45,12 @@ linkOptions =
   paths:      [linkFixtures]
 linkPackage = stitch.createPackage linkOptions
 
+compressOptions =
+  identifier: "testRequire"
+  paths:      [compressFixtures]
+  compress:   true
+compressPackage = stitch.createPackage compressOptions
+
 
 load = (source, callback) ->
   (-> eval source).call module = {}
@@ -187,6 +194,14 @@ module.exports =
       test.same "biz", module.baz
       test.done()
 
+  "compile and compress with jsmin": (test) ->
+    test.expect 2
+
+    compressPackage.compile (err, sources) ->
+      test.ok !err
+      test.ok sources.indexOf('function(){console.log("hello, world!");}') > 0
+      test.done()
+
   "runtime require only loads files once": (test) ->
     test.expect 3