build: add coverage script (#299)

Author: 38elements

.babelrc

@@ -1,9 +1,4 @@
 {
   "presets": ["env", "stage-2", "flow-vue"],
-  "comments": false,
-  "env": {
-    "test": {
-      "plugins": ["istanbul"]
-    }
-  }
+  "comments": false
 }

.gitignore

@@ -12,6 +12,7 @@ node_modules/
 *.log
 reports
 coverage
+.nyc_output/
 
 # Build
 dist

build/webpack.test.config.js

@@ -3,21 +3,28 @@ const browser = process.env.TARGET === 'browser'
 const path = require('path')
 
 const projectRoot = path.resolve(__dirname, '../')
+const isCoverage = process.env.NODE_ENV === 'coverage'
+const rules = [].concat(
+  isCoverage ? {
+    test: /\.js/,
+    include: path.resolve('dist'),
+    loader: 'istanbul-instrumenter-loader'
+  } : [],
+  {
+    test: /\.vue$/,
+    loader: 'vue-loader'
+  },
+  {
+    test: /\.js$/,
+    loader: 'babel-loader',
+    include: [projectRoot],
+    exclude: /node_modules/
+  }
+)
 
 module.exports = {
   module: {
-    rules: [
-      {
-        test: /\.vue$/,
-        loader: 'vue-loader'
-      },
-      {
-        test: /\.js$/,
-        loader: 'babel-loader',
-        include: [projectRoot],
-        exclude: /node_modules/
-      }
-    ]
+    rules
   },
   externals: !browser ? [nodeExternals()] : undefined,
   resolve: {

circle.yml

@@ -8,3 +8,4 @@ test:
   override:
     - npm run test  
     - npm run test:compatibility
+    - npm run coverage