feat:add subLayout method

packages/graphin/src/utils/index.ts

@@ -10,6 +10,8 @@ import processEdges from './processEdges';
 import { deepMix } from '@antv/util';
 import uuid from './uuid';
 import walk from './walk';
+import subLayout from './subLayout';
+import { layouts } from '../layout/utils/options';
 
 export default {
   hexToRgba,
@@ -24,4 +26,6 @@ export default {
   uuid,
   walk,
   processEdges,
+  subLayout,
+  layouts,
 };

packages/graphin/src/utils/subLayout.ts

@@ -0,0 +1,26 @@
+import { Layout } from '@antv/layout';
+import { GraphinData } from '../typings/type';
+
+const subLayout = () => {
+  const newData: GraphinData = {
+    nodes: [],
+    edges: [],
+    combos: null,
+  };
+  return {
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    add: (data: GraphinData, layout: any) => {
+      const layoutInstance = new Layout(layout);
+      // TODO:计算数据中最小包围盒，从而计算布局所需要的中心点和宽高
+      // @ts-ignore
+      const subData = layoutInstance.layout(data) as GraphinData;
+      newData.nodes = [...newData.nodes, ...subData.nodes];
+      newData.edges = [...newData.edges, ...subData.edges];
+    },
+    layout: () => {
+      return newData;
+    },
+  };
+};
+
+export default subLayout;