From f899764bad8bfdf4fef91e23901d4af3cda91bcc Mon Sep 17 00:00:00 2001
From: Shigma <shigma10826@gmail.com>
Date: Sun, 11 Dec 2022 20:44:51 +0800
Subject: [PATCH] feat(build): support `cacheDir` (#1355)

---
 docs/config/app-configs.md       | 13 +++++++++++++
 src/node/build/buildMPAClient.ts |  1 +
 src/node/build/bundle.ts         |  1 +
 src/node/config.ts               |  6 ++++++
 src/node/server.ts               |  1 +
 5 files changed, 22 insertions(+)

diff --git a/docs/config/app-configs.md b/docs/config/app-configs.md
index 98701460..475fe151 100644
--- a/docs/config/app-configs.md
+++ b/docs/config/app-configs.md
@@ -198,6 +198,19 @@ export default {
 }
 ```
 
+## cacheDir
+
+- Type: `string`
+- Default: `./.vitepress/cache`
+
+The directory for cache files, relative to project root (`docs` folder if you're running `vitepress build docs`). See also: [cacheDir](https://vitejs.dev/config/shared-options.html#cachedir).
+
+```ts
+export default {
+  outDir: './.vitepress/.vite'
+}
+```
+
 ## srcDir
 
 - Type: `string`
diff --git a/src/node/build/buildMPAClient.ts b/src/node/build/buildMPAClient.ts
index ca3c97be..c61ee940 100644
--- a/src/node/build/buildMPAClient.ts
+++ b/src/node/build/buildMPAClient.ts
@@ -14,6 +14,7 @@ export async function buildMPAClient(
 
   return build({
     root: config.srcDir,
+    cacheDir: config.cacheDir,
     base: config.site.base,
     logLevel: 'warn',
     build: {
diff --git a/src/node/build/bundle.ts b/src/node/build/bundle.ts
index d51b0f23..3cd865c4 100644
--- a/src/node/build/bundle.ts
+++ b/src/node/build/bundle.ts
@@ -41,6 +41,7 @@ export async function bundle(
 
   const resolveViteConfig = async (ssr: boolean): Promise<ViteUserConfig> => ({
     root: config.srcDir,
+    cacheDir: config.cacheDir,
     base: config.site.base,
     logLevel: 'warn',
     plugins: await createVitePressPlugin(
diff --git a/src/node/config.ts b/src/node/config.ts
index 61559f50..c95de79c 100644
--- a/src/node/config.ts
+++ b/src/node/config.ts
@@ -53,6 +53,7 @@ export interface UserConfig<ThemeConfig = any> {
   srcDir?: string
   srcExclude?: string[]
   outDir?: string
+  cacheDir?: string
   shouldPreload?: (link: string, page: string) => boolean
 
   /**
@@ -165,6 +166,7 @@ export interface SiteConfig<ThemeConfig = any>
   configDeps: string[]
   themeDir: string
   outDir: string
+  cacheDir: string
   tempDir: string
   pages: string[]
 }
@@ -203,6 +205,9 @@ export async function resolveConfig(
   const outDir = userConfig.outDir
     ? path.resolve(root, userConfig.outDir)
     : resolve(root, 'dist')
+  const cacheDir = userConfig.cacheDir
+    ? path.resolve(root, userConfig.cacheDir)
+    : resolve(root, 'cache')
 
   // resolve theme path
   const userThemeDir = resolve(root, 'theme')
@@ -232,6 +237,7 @@ export async function resolveConfig(
     configPath,
     configDeps,
     outDir,
+    cacheDir,
     tempDir: resolve(root, '.temp'),
     markdown: userConfig.markdown,
     lastUpdated: userConfig.lastUpdated,
diff --git a/src/node/server.ts b/src/node/server.ts
index 45bbc6af..714afeec 100644
--- a/src/node/server.ts
+++ b/src/node/server.ts
@@ -20,6 +20,7 @@ export async function createServer(
   return createViteServer({
     root: config.srcDir,
     base: config.site.base,
+    cacheDir: config.cacheDir,
     // logLevel: 'warn',
     plugins: await createVitePressPlugin(config, false, {}, {}, recreateServer),
     server: serverOptions