From 9cb174da17c98f27068d73d2590bc4cba1898f37 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9E=97=E9=A3=8E?= <244732635@qq.com>
Date: Sat, 2 Jun 2018 23:35:02 +0800
Subject: [PATCH] feat: shouldPrefetch option for bundleRenderer (close: #463)
 (#514)

---
 docs/config/README.md    | 7 +++++++
 docs/zh/config/README.md | 7 +++++++
 lib/build.js             | 1 +
 3 files changed, 15 insertions(+)

diff --git a/docs/config/README.md b/docs/config/README.md
index 14e5c827df..65e3b91c1f 100644
--- a/docs/config/README.md
+++ b/docs/config/README.md
@@ -109,6 +109,13 @@ Also, only enable this if you are able to deploy your site with SSL, since servi
 
 Specify locales for i18n support. For more details, see the guide on [Internationalization](../guide/i18n.md).
 
+### shouldPrefetch
+
+- Type: `Function`
+- Default: `() => true`
+
+A function to control what files should have `<link rel="preload">` resource hints generated. See [shouldPrefetch](https://ssr.vuejs.org/api/#shouldprefetch).
+
 ## Theming
 
 ### theme
diff --git a/docs/zh/config/README.md b/docs/zh/config/README.md
index 3ce18b91ac..bf756d1395 100644
--- a/docs/zh/config/README.md
+++ b/docs/zh/config/README.md
@@ -108,6 +108,13 @@ module.exports = {
 
 提供多语言支持的语言配置。具体细节请查看 [多语言支持](../guide/i18n.md)。
 
+### shouldPrefetch
+
+- 类型: `Function`
+- 默认值: `() => true`
+
+一个函数，用来控制对于哪些文件，是需要生成 `<link rel="prefetch">` 资源提示的。请参考 [shouldPrefetch](https://ssr.vuejs.org/zh/api/#shouldpreload)。
+
 ## 主题
 
 ### theme
diff --git a/lib/build.js b/lib/build.js
index 9587da5542..33003a01c4 100644
--- a/lib/build.js
+++ b/lib/build.js
@@ -56,6 +56,7 @@ module.exports = async function build (sourceDir, cliOptions = {}) {
     clientManifest,
     runInNewContext: false,
     inject: false,
+    shouldPrefetch: options.siteConfig.shouldPrefetch || (() => true),
     template: await fs.readFile(path.resolve(__dirname, 'app/index.ssr.html'), 'utf-8')
   })