From da38be2a97bd7431668ce44ed35e4a241b58b532 Mon Sep 17 00:00:00 2001
From: Emiliano Sanchez <emiliano.sanchez@split.io>
Date: Sat, 23 May 2026 14:27:42 -0300
Subject: [PATCH] Add RBS support for configs

---
 src/services/__tests__/splitApi.spec.ts | 8 ++++----
 src/services/splitApi.ts                | 4 ++--
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/services/__tests__/splitApi.spec.ts b/src/services/__tests__/splitApi.spec.ts
index cd311cb9..03f518a0 100644
--- a/src/services/__tests__/splitApi.spec.ts
+++ b/src/services/__tests__/splitApi.spec.ts
@@ -45,10 +45,10 @@ describe('splitApi', () => {
     assertHeaders(settings, headers);
     expect(url).toBe(expectedFlagsUrl(-1, 100, settings.validateFilters || false, settings, -1));
 
-    splitApi.fetchConfigs(-1, false, 100);
+    splitApi.fetchConfigs(-1, false, 100, -1);
     [url, { headers }] = fetchMock.mock.calls[4];
     assertHeaders(settings, headers);
-    expect(url).toBe(expectedConfigsUrl(-1, 100, settings.validateFilters || false, settings));
+    expect(url).toBe(expectedConfigsUrl(-1, 100, settings.validateFilters || false, settings, -1));
 
     splitApi.fetchConfigsSegmentChanges(-1, 'segmentName', false, 100);
     [url, { headers }] = fetchMock.mock.calls[5];
@@ -81,9 +81,9 @@ describe('splitApi', () => {
       return `sdk/splitChanges?s=1.1&since=${since}${rbSince ? '&rbSince=' + rbSince : ''}${usesFilter ? filterQueryString : ''}${till ? '&till=' + till : ''}`;
     }
 
-    function expectedConfigsUrl(since: number, till: number, usesFilter: boolean, settings: ISettings) {
+    function expectedConfigsUrl(since: number, till: number, usesFilter: boolean, settings: ISettings, rbSince?: number) {
       const filterQueryString = settings.sync.__splitFiltersValidation && settings.sync.__splitFiltersValidation.queryString;
-      return `configs/v1/configs?since=${since}${usesFilter ? filterQueryString : ''}${till ? '&till=' + till : ''}`;
+      return `configs/v1/configs?since=${since}${rbSince ? '&rbSince=' + rbSince : ''}${usesFilter ? filterQueryString : ''}${till ? '&till=' + till : ''}`;
     }
   });
 
diff --git a/src/services/splitApi.ts b/src/services/splitApi.ts
index d90b1e2d..4d95a925 100644
--- a/src/services/splitApi.ts
+++ b/src/services/splitApi.ts
@@ -69,8 +69,8 @@ export function splitApiFactory(
     },
 
     // @TODO support filterQueryString and handle ERROR_TOO_MANY_SETS error
-    fetchConfigs(since: number, noCache?: boolean, till?: number) {
-      const url = `${urls.configs}/v1/configs?since=${since}${filterQueryString || ''}${till ? '&till=' + till : ''}`;
+    fetchConfigs(since: number, noCache?: boolean, till?: number, rbSince?: number) {
+      const url = `${urls.configs}/v1/configs?since=${since}${rbSince ? '&rbSince=' + rbSince : ''}${filterQueryString || ''}${till ? '&till=' + till : ''}`;
       return (secureSplitHttpClient || splitHttpClient)(url, noCache ? noCacheHeaderOptions : undefined);
     },