init: the first public commit for AFFiNE

libs/components/editor-core/src/utils.ts

@@ -0,0 +1,29 @@
+import { Protocol } from '@toeverything/datasource/db-service';
+import { AsyncBlock } from './editor';
+
+// TODO is migrated to the implementation of block
+export const supportedChildrenBlock = [
+    Protocol.Block.Type.heading1,
+    Protocol.Block.Type.heading2,
+    Protocol.Block.Type.heading3,
+    Protocol.Block.Type.text,
+    Protocol.Block.Type.numbered,
+    Protocol.Block.Type.bullet,
+    Protocol.Block.Type.todo,
+    Protocol.Block.Type.quote,
+] as const;
+
+/**
+ * Is the block support render children.
+ *
+ * @example
+ * ```ts
+ * const supportChildren = isSupportChildren(block);
+ * ```
+ */
+export const supportChildren = (block: AsyncBlock | unknown): boolean => {
+    if (!(block instanceof AsyncBlock)) {
+        return false;
+    }
+    return supportedChildrenBlock.some(type => type === block.type);
+};