chore(editor): reorg packages (#10702)

blocksuite/affine/blocks/block-code/src/adapters/plain-text.ts

@@ -0,0 +1,26 @@
+import { CodeBlockSchema } from '@blocksuite/affine-model';
+import {
+  BlockPlainTextAdapterExtension,
+  type BlockPlainTextAdapterMatcher,
+} from '@blocksuite/affine-shared/adapters';
+import type { DeltaInsert } from '@blocksuite/inline';
+
+export const codeBlockPlainTextAdapterMatcher: BlockPlainTextAdapterMatcher = {
+  flavour: CodeBlockSchema.model.flavour,
+  toMatch: () => false,
+  fromMatch: o => o.node.flavour === CodeBlockSchema.model.flavour,
+  toBlockSnapshot: {},
+  fromBlockSnapshot: {
+    enter: (o, context) => {
+      const text = (o.node.props.text ?? { delta: [] }) as {
+        delta: DeltaInsert[];
+      };
+      const buffer = text.delta.map(delta => delta.insert).join('');
+      context.textBuffer.content += buffer;
+      context.textBuffer.content += '\n';
+    },
+  },
+};
+
+export const CodeBlockPlainTextAdapterExtension =
+  BlockPlainTextAdapterExtension(codeBlockPlainTextAdapterMatcher);