feat(editor): add feature flag service (#9592)

blocksuite/affine/shared/src/services/feature-flag-service.ts

@@ -0,0 +1,59 @@
+import { type Store, StoreExtension } from '@blocksuite/store';
+import { type Signal, signal } from '@preact/signals-core';
+
+export interface BlockSuiteFlags {
+  enable_synced_doc_block: boolean;
+  enable_pie_menu: boolean;
+  enable_database_number_formatting: boolean;
+  enable_database_attachment_note: boolean;
+  enable_database_full_width: boolean;
+  enable_block_query: boolean;
+  enable_lasso_tool: boolean;
+  enable_edgeless_text: boolean;
+  enable_ai_onboarding: boolean;
+  enable_ai_chat_block: boolean;
+  enable_color_picker: boolean;
+  enable_mind_map_import: boolean;
+  enable_advanced_block_visibility: boolean;
+  enable_shape_shadow_blur: boolean;
+  enable_mobile_keyboard_toolbar: boolean;
+  enable_mobile_linked_doc_menu: boolean;
+}
+
+export class FeatureFlagService extends StoreExtension {
+  static override key = 'feature-flag-server';
+
+  private readonly _flags: Signal<BlockSuiteFlags> = signal({
+    enable_synced_doc_block: true,
+    enable_pie_menu: false,
+    enable_database_number_formatting: false,
+    enable_database_attachment_note: false,
+    enable_database_full_width: false,
+    enable_block_query: false,
+    enable_lasso_tool: false,
+    enable_edgeless_text: true,
+    enable_ai_onboarding: true,
+    enable_ai_chat_block: true,
+    enable_color_picker: true,
+    enable_mind_map_import: true,
+    enable_advanced_block_visibility: false,
+    enable_shape_shadow_blur: false,
+    enable_mobile_keyboard_toolbar: false,
+    enable_mobile_linked_doc_menu: false,
+  });
+
+  setFlag(key: keyof BlockSuiteFlags, value: boolean) {
+    this._flags.value = {
+      ...this._flags.value,
+      [key]: value,
+    };
+  }
+
+  getFlag(key: keyof BlockSuiteFlags) {
+    return this._flags.value[key];
+  }
+
+  constructor(store: Store) {
+    super(store);
+  }
+}

blocksuite/affine/shared/src/services/index.ts

@@ -4,6 +4,7 @@ export * from './drag-handle-config';
 export * from './edit-props-store';
 export * from './editor-setting-service';
 export * from './embed-option-service';
+export * from './feature-flag-service';
 export * from './font-loader';
 export * from './generate-url-service';
 export * from './native-clipboard-service';