update webpack to version 3

test/unit/karma.conf.js

@@ -16,11 +16,6 @@ var webpackConfig = merge(baseConfig, {
     loaders: utils.styleLoaders()
   },
   devtool: '#inline-source-map',
-  vue: {
-    loaders: {
-      js: 'isparta'
-    }
-  },
   plugins: [
     new webpack.DefinePlugin({
       'process.env': require('../../config/test.env')
@@ -31,15 +26,18 @@ var webpackConfig = merge(baseConfig, {
 // no need for app entry during tests
 delete webpackConfig.entry
 
+// function resolve (dir) {
+//   return path.join(__dirname, '..', dir)
+// }
 // make sure isparta loader is applied before eslint
-webpackConfig.module.preLoaders = webpackConfig.module.preLoaders || []
-webpackConfig.module.preLoaders.unshift({
-  test: /\.js$/,
-  loader: 'isparta',
-  include: path.resolve(projectRoot, 'src')
-})
+// webpackConfig.module.rules = webpackConfig.module.rules || []
+// webpackConfig.module.rules.unshift({
+//   test: /\.js$/,
+//   loader: 'babel-loader',
+//   include: [resolve('src'), resolve('test')]
+// })
 
-// only apply babel for test files when using isparta
+// // only apply babel for test files when using isparta
 webpackConfig.module.loaders.some(function (loader, i) {
   if (loader.loader === 'babel') {
     loader.include = path.resolve(projectRoot, 'test/unit')

test/unit/specs/Bar.spec.js

@@ -1,5 +1,5 @@
 import Vue from 'vue'
-import BarChart from 'src/examples/BarExample'
+import BarChart from '@/examples/BarExample'
 
 describe('BarChart', () => {
   let el

test/unit/specs/Bubble.spec.js

@@ -1,5 +1,5 @@
 import Vue from 'vue'
-import BubbleChart from 'src/examples/BubbleExample'
+import BubbleChart from '@/examples/BubbleExample'
 
 describe('BubbleChart', () => {
   let el

test/unit/specs/Doughnut.spec.js

@@ -1,5 +1,5 @@
 import Vue from 'vue'
-import DoughnutChart from 'src/examples/DoughnutExample'
+import DoughnutChart from '@/examples/DoughnutExample'
 
 describe('DoughnutChart', () => {
   let el

test/unit/specs/HorizontalBar.spec.js

@@ -1,5 +1,5 @@
 import Vue from 'vue'
-import HorizontalBarChart from 'src/examples/HorizontalBarExample'
+import HorizontalBarChart from '@/examples/HorizontalBarExample'
 
 describe('HorizontalBarChart', () => {
   let el

test/unit/specs/Line.spec.js

@@ -1,5 +1,5 @@
 import Vue from 'vue'
-import LineChart from 'src/examples/LineExample'
+import LineChart from '@/examples/LineExample'
 
 describe('LineChart', () => {
   let el

test/unit/specs/Pie.spec.js

@@ -1,5 +1,5 @@
 import Vue from 'vue'
-import PieChart from 'src/examples/PieExample'
+import PieChart from '@/examples/PieExample'
 
 describe('PieChart', () => {
   let el

test/unit/specs/PolarArea.spec.js

@@ -1,5 +1,5 @@
 import Vue from 'vue'
-import PolarChart from 'src/examples/PolarAreaExample'
+import PolarChart from '@/examples/PolarAreaExample'
 
 describe('PolarChart', () => {
   let el

test/unit/specs/Radar.spec.js

@@ -1,5 +1,5 @@
 import Vue from 'vue'
-import RadarChart from 'src/examples/RadarExample'
+import RadarChart from '@/examples/RadarExample'
 
 describe('RadarChart', () => {
   let el

test/unit/specs/Scatter.spec.js

@@ -1,5 +1,5 @@
 import Vue from 'vue'
-import ScatterChart from 'src/examples/ScatterExample'
+import ScatterChart from '@/examples/ScatterExample'
 
 describe('ScatterChart', () => {
   let el

test/unit/specs/helpers/options.spec.js

@@ -1,4 +1,4 @@
-import { mergeOptions } from 'src/helpers/options'
+import { mergeOptions } from '@/helpers/options'
 
 describe('mergeOptions.js', () => {
   const a = {