use pug instead of jade

Author: yyx990803

docs/en/configurations/pre-processors.md

@@ -34,14 +34,14 @@ npm install coffee-loader --save-dev
 
 ### Templates
 
-Processing templates is a little different, because most Webpack template loaders such as `jade-loader` return a template function instead of a compiled HTML string. Instead of using `jade-loader`, we can just install the original `jade`:
+Processing templates is a little different, because most Webpack template loaders such as `pug-loader` return a template function instead of a compiled HTML string. Instead of using `pug-loader`, we can just install the original `pug`:
 
 ``` bash
-npm install jade --save-dev
+npm install pug --save-dev
 ```
 
 ``` html
-<template lang="jade">
+<template lang="pug">
 div
   h1 Hello world!
 </template>

package.json

@@ -61,13 +61,13 @@
     "extract-text-webpack-plugin": "^1.0.1",
     "file-loader": "^0.8.5",
     "inject-loader": "^2.0.1",
-    "jade": "^1.11.0",
     "jsdom": "^9.2.1",
     "memory-fs": "^0.3.0",
     "mkdirp": "^0.5.1",
     "mocha": "^2.2.5",
     "node-libs-browser": "^1.0.0",
     "postcss": "^5.0.21",
+    "pug": "^2.0.0-beta6",
     "rimraf": "^2.4.0",
     "stylus": "^0.54.5",
     "stylus-loader": "^2.0.0",

test/fixtures/pre.vue

@@ -6,7 +6,7 @@ body
   color primary-color
 </style>
 
-<template lang="jade">
+<template lang="pug">
 div
   h1 This is the app
   comp-a

test/fixtures/template-import.jade renamed to test/fixtures/template-import.pug

@@ -1 +1 @@
-<template lang="jade" src="./template-import.jade"></template>
+<template lang="pug" src="./template-import.pug"></template>