[Doc] support pick document version

docs/src/DocsApp.vue

@@ -3,11 +3,13 @@
     <van-doc
       :base="base"
       :config="config"
-      active="Vue 组件"
       :lang="$vantLang"
+      :github="github"
+      :versions="versions"
       :simulators="simulators"
       :search-config="searchConfig"
       :current-simulator="currentSimulator"
+      @switch-version="onSwitchVersion"
     >
       <router-view @changeDemoURL="onChangeDemoURL" />
     </van-doc>
@@ -15,11 +17,15 @@
 </template>
 
 <script>
-import docConfig from './doc.config';
+import pkgJson from '../../package.json';
+import docConfig, { github, versions, searchConfig } from './doc.config';
 
 export default {
   data() {
-    this.searchConfig = docConfig.searchConfig;
+    this.github = github;
+    this.versions = versions;
+    this.searchConfig = searchConfig;
+
     return {
       simulators: [`mobile.html${location.hash}`],
       demoURL: ''
@@ -44,6 +50,12 @@ export default {
   methods: {
     onChangeDemoURL(url) {
       this.simulators = [this.simulators[0], url];
+    },
+
+    onSwitchVersion(version) {
+      if (version !== pkgJson.version) {
+        location.href = `https://youzan.github.io/vant/${version}`;
+      }
     }
   }
 };
@@ -52,7 +64,7 @@ export default {
 <style lang="less">
 .van-doc-intro {
   padding-top: 20px;
-  font-family: "Dosis", "Source Sans Pro", "Helvetica Neue", Arial, sans-serif;
+  font-family: 'Dosis', 'Source Sans Pro', 'Helvetica Neue', Arial, sans-serif;
   text-align: center;
 
   &__logo {

docs/src/doc.config.js

@@ -1,11 +1,17 @@
-/* eslint-disable */
-const version = require('../../package.json').version;
+import pkgJson from '../../package.json';
 
-module.exports = {
-  searchConfig: {
-    apiKey: '90067aecdaa2c85220e2783cd305caac', 
-    indexName: 'vant', 
-  },
+const { version } = pkgJson;
+
+export const searchConfig = {
+  apiKey: '90067aecdaa2c85220e2783cd305caac',
+  indexName: 'vant'
+};
+
+export const versions = [version, '1.x'];
+
+export const github = 'https://github.com/youzan/vant';
+
+export default {
   'zh-CN': {
     header: {
       logo: {
@@ -18,8 +24,7 @@ module.exports = {
           text: 'En',
           from: 'zh-CN',
           to: 'en-US'
-        },
-        github: 'https://github.com/youzan/vant'
+        }
       }
     },
     nav: [
@@ -343,7 +348,8 @@ module.exports = {
   'en-US': {
     header: {
       logo: {
-        image: 'https://img.yzcdn.cn/public_files/2017/12/18/fd78cf6bb5d12e2a119d0576bedfd230.png',
+        image:
+          'https://img.yzcdn.cn/public_files/2017/12/18/fd78cf6bb5d12e2a119d0576bedfd230.png',
         title: 'Vant',
         href: '#/'
       },
@@ -352,8 +358,7 @@ module.exports = {
           text: '中文',
           from: 'en-US',
           to: 'zh-CN'
-        },
-        github: 'https://github.com/youzan/vant'
+        }
       }
     },
     nav: [