chore: merge blocksuite source code (#9213)

blocksuite/framework/block-std/src/extension/widget-view-map.ts

@@ -0,0 +1,31 @@
+import { WidgetViewMapIdentifier } from '../identifier.js';
+import type { WidgetViewMapType } from '../spec/type.js';
+import type { ExtensionType } from './extension.js';
+
+/**
+ * Create a widget view map extension.
+ *
+ * @param flavour The flavour of the block that the widget view map is for.
+ * @param widgetViewMap A map of widget names to widget view lit literal.
+ *
+ * A widget view map is to provide a map of widgets to a block.
+ * For every target block, it's view will be rendered with the widget views.
+ *
+ * @example
+ * ```ts
+ * import { WidgetViewMapExtension } from '@blocksuite/block-std';
+ *
+ * const MyWidgetViewMapExtension = WidgetViewMapExtension('my-flavour', {
+ *  'my-widget': literal`my-widget-view`
+ * });
+ */
+export function WidgetViewMapExtension(
+  flavour: BlockSuite.Flavour,
+  widgetViewMap: WidgetViewMapType
+): ExtensionType {
+  return {
+    setup: di => {
+      di.addImpl(WidgetViewMapIdentifier(flavour), () => widgetViewMap);
+    },
+  };
+}