correct webpack 2 syntax (#740)

LinusBorg · chrisvfritz · commit d6bf42322e96 · 2017-01-31T09:14:14.000-05:00
`System.import()` was dropped in favour of `import()` See: https://webpack.js.org/guides/migrating/#code-splitting-with-es2015 and webpack/webpack#3098 (PR:; webpack/webpack#3413)
diff --git a/src/v2/guide/components.md b/src/v2/guide/components.md
@@ -1016,7 +1016,7 @@ You can also return a `Promise` in the factory function, so with Webpack 2 + ES2
 ``` js
 Vue.component(
   'async-webpack-example',
-  () => System.import('./my-async-component')
+  () => import('./my-async-component')
 )
 ```
 

Original file line number	Diff line number	Diff line change
@@ -1016,7 +1016,7 @@ You can also return a `Promise` in the factory function, so with Webpack 2 + ES2
`1016`	`1016`	``` js
`1017`	`1017`	`Vue.component(`
`1018`	`1018`	`'async-webpack-example',`
`1019`		`- () => System.import('./my-async-component')`
	`1019`	`+ () => import('./my-async-component')`
`1020`	`1020`	`)`
`1021`	`1021`	```
`1022`	`1022`