refactor(editor): improve element adapters (#11473)

blocksuite/affine/gfx/shape/src/adapter/utils.ts

@@ -0,0 +1,36 @@
+import type { DeltaInsert } from '@blocksuite/store';
+
+export function getShapeType(elementModel: Record<string, unknown>): string {
+  let shapeType = '';
+  if (elementModel.type !== 'shape') {
+    return shapeType;
+  }
+
+  if (
+    'shapeType' in elementModel &&
+    typeof elementModel.shapeType === 'string'
+  ) {
+    shapeType = elementModel.shapeType;
+  }
+  return shapeType;
+}
+
+export function getShapeText(elementModel: Record<string, unknown>): string {
+  let text = '';
+  if (elementModel.type !== 'shape') {
+    return text;
+  }
+
+  if (
+    'text' in elementModel &&
+    typeof elementModel.text === 'object' &&
+    elementModel.text
+  ) {
+    let delta: DeltaInsert[] = [];
+    if ('delta' in elementModel.text) {
+      delta = elementModel.text.delta as DeltaInsert[];
+    }
+    text = delta.map(d => d.insert).join('');
+  }
+  return text;
+}