From b446af054056a01946f2f144c16db116b6d23db1 Mon Sep 17 00:00:00 2001
From: songsz <song.shangzhi3@neolink.com>
Date: Tue, 5 Sep 2023 14:03:45 +0800
Subject: [PATCH] feat(monorepo): add monorepoRedirect.useRootProject (#11603)

---
 docs/docs/docs/api/config.md                         |  4 +++-
 .../preset-umi/src/features/monorepo/redirect.ts     | 12 +++++++++---
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/docs/docs/docs/api/config.md b/docs/docs/docs/api/config.md
index ec3998adf07a..411a5df4e4a8 100644
--- a/docs/docs/docs/api/config.md
+++ b/docs/docs/docs/api/config.md
@@ -1058,7 +1058,7 @@ mountElementId: 'container'
 
 ## monorepoRedirect
 
-- 类型：`{ srcDir?: string[], exclude?: RegExp[], peerDeps?: boolean }`
+- 类型：`{ srcDir?: string[], exclude?: RegExp[], peerDeps?: boolean, useRootProject?: boolean }`
 - 默认值：`false`
 
 在 monorepo 中使用 Umi 时，你可能需要引入其他子包的组件、工具方法等，通过开启此选项来重定向这些子包的导入到他们的源码位置（默认为 `src` 文件夹），这也可以解决 `MFSU` 场景改动子包不热更新的问题。
@@ -1098,6 +1098,8 @@ monorepoRedirect: { peerDeps: true }
 
 经过重定向，依赖全局唯一，便可以在开发时保持和在 npm 上安装包后的体验一致。
 
+useRootProject: 当你的项目不在 monorepo 子文件夹里，而在 monorepo 根的话，你可以开启这个选项，以使 monorepoRedirect 生效。
+
 ## mpa
 
 - 类型：`object`
diff --git a/packages/preset-umi/src/features/monorepo/redirect.ts b/packages/preset-umi/src/features/monorepo/redirect.ts
index 31ae197ee687..58aed1e8f13d 100644
--- a/packages/preset-umi/src/features/monorepo/redirect.ts
+++ b/packages/preset-umi/src/features/monorepo/redirect.ts
@@ -11,6 +11,7 @@ interface IConfigs {
   srcDir?: string[];
   exclude?: RegExp[];
   peerDeps?: boolean;
+  useRootProject?: boolean;
 }
 
 export default (api: IApi) => {
@@ -34,10 +35,17 @@ export default (api: IApi) => {
   });
 
   api.modifyConfig(async (memo) => {
+    const config: IConfigs = memo.monorepoRedirect || {};
+    const {
+      exclude = [],
+      srcDir = ['src'],
+      peerDeps = false,
+      useRootProject = false,
+    } = config;
     const currentProjectRoot = process.env.APP_ROOT ? process.cwd() : api.cwd;
     const rootPkg = await pkgUp({
       // APP_ROOT: https://github.com/umijs/umi/issues/9461
-      cwd: dirname(currentProjectRoot),
+      cwd: useRootProject ? currentProjectRoot : dirname(currentProjectRoot),
     });
     if (!rootPkg) return memo;
     const root = dirname(rootPkg);
@@ -46,8 +54,6 @@ export default (api: IApi) => {
       `The 'monorepoRedirect' option can only be used in monorepo, you don't need configure.`,
     );
 
-    const config: IConfigs = memo.monorepoRedirect || {};
-    const { exclude = [], srcDir = ['src'], peerDeps = false } = config;
     // Note: not match `umi` package in local dev
     if (isLocalDev()) {
       logger.info(