added ES6 support with babel

lib/helpers/raw.js

@@ -15,7 +15,7 @@ var TerraformError = exports.TerraformError = require("../error").TerraformError
 var processors = exports.processors = {
   "html": ["jade", "ejs", "md"],
   "css" : ["styl", "less", "scss", "sass"],
-  "js"  : ["coffee"]
+  "js"  : ["coffee", "es"]
 }
 
 

lib/javascript/processors/es.js

@@ -0,0 +1,19 @@
+var babel = require("babel-core")
+var TerraformError = require("../../error").TerraformError
+
+exports.compile = function(filePath, fileContents, callback) {
+  var script = null
+  var error = null
+  try {
+    script = babel.transform(fileContents.toString()).code
+  } catch (e) {
+    e.source = "Babel"
+    e.dest = "JavaScript"
+    e.filename = filePath
+    e.lineno = parseInt(e.loc.line)
+    error = new TerraformError(e)
+    if (global.token) delete global.token // remove babel leak
+  }finally{
+    callback(error, script)
+  }
+}

package.json

@@ -28,6 +28,8 @@
   ],
   "license": "MIT",
   "dependencies": {
+    "autoprefixer": "5.1.0",
+    "babel-core": "^5.4.7",
     "lru-cache": "2.6.1",
     "jade": "git://github.com/harp/jade#v1.9.3-bc.2",
     "coffee-script": "1.9.2",
@@ -37,7 +39,7 @@
     "less": "2.5.0",
     "stylus": "0.47.3",
     "minify": "git://github.com/kennethormandy/minify#v0.3.0",
-    "autoprefixer": "5.1.0"
+    "stylus": "0.47.3"
   },
   "devDependencies": {
     "mocha": "1.8.2",

test/errors.js

@@ -200,6 +200,25 @@ describe("errors", function(){
     })
   })
 
+
+  describe(".es", function(){
+    it("should error with invalid file", function(done){
+      poly.render("es/invalid.es", function(error, body){
+        should.not.exist(body)
+        should.exist(error)
+        console.log('err', error, 'body', body);
+        error.should.have.property('source', "Babel")
+        error.should.have.property('dest', "JavaScript")
+        error.should.have.property('lineno', 3)
+        error.should.have.property('filename')
+        error.should.have.property('message')
+        error.should.have.property('stack')
+        done()
+      })
+    })
+  })
+
+
   describe(".scss", function(){
     it("should get error if var missing in scss", function(done){
       poly.render("scss/novar.scss", function(error, body){

test/fixtures/errors/es/invalid.es

@@ -0,0 +1,3 @@
+
+
+foo(

test/fixtures/javascripts/coffee/invalid.es

@@ -0,0 +1,4 @@
+
+foo = function(){
+  this shouldnt work
+}

test/fixtures/javascripts/es/invalid.es

@@ -0,0 +1 @@
+foo = function{ !shouldntwork; }

test/fixtures/javascripts/es/main.es

@@ -0,0 +1,5 @@
+
+
+
+
+let add = (x, y) => { x + y }

test/javascripts.js

@@ -42,4 +42,35 @@ describe("javascripts", function(){
 
   })
 
+  describe(".es", function() {
+
+    var root = __dirname + "/fixtures/javascripts/es"
+    var poly = polymer.root(root)
+
+    it("should transpile ES6 to ES5", function(done){
+      poly.render("main.es", function(errors, body){
+        should.not.exist(errors)
+        should.exist(body)
+        done()
+      })
+    })
+    it("should minify beyond transpiling", function(done){
+      poly.render("main.es", function(errors, body){
+        should.not.exist(errors)
+        body.should.not.include("\n\n")
+        done()
+      })
+    })
+    it("should return errors if invalid", function(done){
+      poly.render("invalid.es", function(errors, body){
+        should.exist(errors)
+        should.not.exist(body)
+        errors.should.have.property("name")
+        errors.should.have.property("message")
+        errors.should.have.property("stack")
+        done()
+      })
+    })
+  })
+
 })