From 07cf74d52f162addef85244df1a70a1375abc0ca Mon Sep 17 00:00:00 2001
From: lawvs <18554747+lawvs@users.noreply.github.com>
Date: Thu, 4 Aug 2022 18:13:29 +0800
Subject: [PATCH] fix: feature flag offline mode

---
 libs/datasource/feature-flags/README.md     | 13 +++++++++++--
 libs/datasource/feature-flags/src/config.ts |  1 +
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/libs/datasource/feature-flags/README.md b/libs/datasource/feature-flags/README.md
index f5c59f4e13..7a04209c5d 100644
--- a/libs/datasource/feature-flags/README.md
+++ b/libs/datasource/feature-flags/README.md
@@ -2,7 +2,15 @@
 
 ## Usage
 
--   set provider
+-   Set token at environment variable
+    -   The key can be obtained from the [Feature Flag Portal](https://portal.featureflag.co/account-settings/projects)
+
+```shell
+# .env.local
+AFFINE_FEATURE_FLAG_TOKEN=XXXXXXX
+```
+
+-   Set provider
 
 ```tsx
 import { FeatureFlagsProvider } from '@toeverything/datasource/feature-flags';
@@ -42,7 +50,8 @@ const App = () => {
 
 **When entering development mode feature flag will NOT be updated in real time**
 
--   `activateFfcDevMode()` play with feature flags locally
+-   `activateFfcDevMode(PASSWORD)` play with feature flags locally
+    -   The `devModePassword` can be obtained from `src/config.ts`
 -   `quitFfcDevMode()` quit dev mode
 
 ## Running unit tests
diff --git a/libs/datasource/feature-flags/src/config.ts b/libs/datasource/feature-flags/src/config.ts
index 7f3360d6db..b89a2e7359 100644
--- a/libs/datasource/feature-flags/src/config.ts
+++ b/libs/datasource/feature-flags/src/config.ts
@@ -8,4 +8,5 @@ export const config: IOption = {
     //   id: 'the user's unique identifier'
     // }
     devModePassword: '-',
+    enableDataSync: !!process.env['AFFINE_FEATURE_FLAG_TOKEN'],
 };