From feeec3b829fb82d2e12d443ef4153dfaef345fc4 Mon Sep 17 00:00:00 2001
From: mrodrig <rodrigues.mi@northeastern.edu>
Date: Sat, 24 Feb 2024 22:44:52 -0500
Subject: [PATCH] feat: add arrayIndexesAsKeys option support for #207

---
 src/constants.ts | 1 +
 src/json2csv.ts  | 1 +
 src/types.ts     | 5 +++++
 3 files changed, 7 insertions(+)

diff --git a/src/constants.ts b/src/constants.ts
index 9115a9d..ac59c3b 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -18,6 +18,7 @@ export const errors = {
 };
 
 export const defaultJson2CsvOptions: DefaultJson2CsvOptions = {
+    arrayIndexesAsKeys: false,
     checkSchemaDifferences: false,
     delimiter : {
         field : ',',
diff --git a/src/json2csv.ts b/src/json2csv.ts
index 8b1e30f..cd4ae01 100755
--- a/src/json2csv.ts
+++ b/src/json2csv.ts
@@ -12,6 +12,7 @@ export const Json2Csv = function(options: FullJson2CsvOptions) {
         customValueParser = options.parseValue && typeof options.parseValue === 'function' ? options.parseValue : null,
         expandingWithoutUnwinding = options.expandArrayObjects && !options.unwindArrays,
         deeksOptions = {
+            arrayIndexesAsKeys: options.arrayIndexesAsKeys,
             expandNestedObjects: options.expandNestedObjects,
             expandArrayObjects: expandingWithoutUnwinding,
             ignoreEmptyArraysWhenExpanding: expandingWithoutUnwinding,
diff --git a/src/types.ts b/src/types.ts
index fbe42d9..d652fdf 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -87,6 +87,11 @@ export interface Csv2JsonOptions extends Omit<SharedConverterOptions, 'keys'> {
 }
   
 export interface Json2CsvOptions extends SharedConverterOptions {
+  /** Should array indexes be included in the generated keys?
+   * @default false
+   */
+  arrayIndexesAsKeys?: boolean;
+
   /**
    * Should all documents have the same schema?
    * @default false