only append eval-source-map fix for default script type, add tests for coffee-loader (fix #118)

Author: yyx990803

lib/parser.js

@@ -118,7 +118,7 @@ module.exports = function (content, filename) {
     // https://github.com/webpack/webpack/pull/1816
     // in case the script was piped through another loader
     // that doesn't pass down the source map properly.
-    if (type === 'script') {
+    if (type === 'script' && !lang) {
       result += '\n/* generated by vue-loader */\n'
     }
 

package.json

@@ -57,6 +57,8 @@
     "babel-preset-es2015": "^6.1.2",
     "babel-runtime": "^5.8.0",
     "chai": "^3.0.0",
+    "coffee-loader": "^0.7.2",
+    "coffee-script": "^1.10.0",
     "css-loader": "^0.21.0",
     "eslint": "^1.6.0",
     "extract-text-webpack-plugin": "^0.8.2",

test/fixtures/pre.vue

@@ -12,12 +12,8 @@ comp-a
 comp-b
 </template>
 
-<script>
-export default {
-  data () {
-    return {
-      msg: 'Hello from babel!'
-    }
-  }
-}
+<script lang="coffee">
+module.exports =
+  data: ->
+    msg: 'Hello from coffee!'
 </script>

test/test.js

@@ -82,7 +82,7 @@ describe('vue-loader', function () {
         '<comp-a></comp-a>' +
         '<comp-b></comp-b>'
       )
-      expect(module.data().msg).to.contain('Hello from babel!')
+      expect(module.data().msg).to.contain('Hello from coffee!')
       var style = window.document.querySelector('style').textContent
       expect(style).to.contain('body {\n  font: 100% Helvetica, sans-serif;\n  color: #999;\n}')
       done()