feat: export reports csv and xlsx (#286)

packages/server/src/utils/deepdash.ts

@@ -78,6 +78,27 @@ const filterNodesDeep = (predicate, nodes) => {
   );
 };
 
+const flatNestedTree = (obj, mapper, options) => {
+  return reduceDeep(
+    obj,
+    (accumulator, value, key, parentValue, context) => {
+      const computedValue = _.omit(value, ['children']);
+      const mappedValue = mapper
+        ? mapper(computedValue, key, context)
+        : computedValue;
+
+      accumulator.push(mappedValue);
+      return accumulator;
+    },
+    [],
+    {
+      childrenPath: 'children',
+      pathFormat: 'array',
+      ...options,
+    }
+  );
+};
+
 export {
   iteratee,
   condense,
@@ -103,4 +124,5 @@ export {
   someDeep,
   mapValuesDeepReverse,
   filterNodesDeep,
+  flatNestedTree,
 };