add server to monorepo.

packages/server/src/services/FinancialStatements/ProfitLossSheet/ProfitLossSheetBase.ts

@@ -0,0 +1,30 @@
+import * as R from 'ramda';
+import { TOTAL_NODE_TYPES } from './constants';
+
+export const ProfitLossSheetBase = (Base) =>
+  class extends Base {
+    /**
+     *
+     * @param type
+     * @param node
+     * @returns
+     */
+    public isNodeType = R.curry((type: string, node) => {
+      return node.nodeType === type;
+    });
+
+    protected isNodeTypeIn = R.curry((types: string[], node) => {
+      return types.indexOf(node.nodeType) !== -1;
+    });
+
+    /**
+     * 
+     */
+    protected findNodeById = R.curry((id, nodes) => {
+      return this.findNodeDeep(nodes, (node) => node.id === id);
+    });
+
+    isNodeTotal = (node) => {
+      return this.isNodeTypeIn(TOTAL_NODE_TYPES, node);
+    }
+  };