add server to monorepo.

packages/server/src/services/FinancialStatements/BalanceSheet/BalanceSheetBase.ts

@@ -0,0 +1,32 @@
+import * as R from 'ramda';
+import { IBalanceSheetDataNode, IBalanceSheetSchemaNode } from '@/interfaces';
+
+export const BalanceSheetBase = (Base) =>
+  class extends Base {
+    /**
+     * Detarmines the node type of the given schema node.
+     * @param  {IBalanceSheetStructureSection} node -
+     * @param  {string} type -
+     * @return {boolean}
+     */
+    protected isSchemaNodeType = R.curry(
+      (type: string, node: IBalanceSheetSchemaNode): boolean => {
+        return node.type === type;
+      }
+    );
+
+    isNodeType = R.curry(
+      (type: string, node: IBalanceSheetDataNode): boolean => {
+        return node.nodeType === type;
+      }
+    );
+
+    /**
+     * Detarmines the given display columns by type.
+     * @param   {string} displayColumnsBy
+     * @returns {boolean}
+     */
+    protected isDisplayColumnsBy = (displayColumnsBy: string): boolean => {
+      return this.query.displayColumnsType === displayColumnsBy;
+    };
+  };