From 425e0648efa6228d5547c552b60967ccba62f05c Mon Sep 17 00:00:00 2001
From: Aiji Uejima <uejima.aiji@a-tm.co.jp>
Date: Wed, 18 Aug 2021 22:33:59 +0900
Subject: [PATCH] feat: collaborate with Spectrum

---
 src/with-split.ts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/with-split.ts b/src/with-split.ts
index 89396a5..de910ef 100644
--- a/src/with-split.ts
+++ b/src/with-split.ts
@@ -13,10 +13,16 @@ type WithSplitArgs = {
 }
 
 export const withSplit =
-  ({ splits = {}, ...manuals }: WithSplitArgs) =>
+  ({ splits: _splits = {}, ...manuals }: WithSplitArgs) =>
   (nextConfig: Partial<NextConfig>): Partial<NextConfig> => {
     if (process.env.SPLIT_DISABLE) return nextConfig
 
+    // Load the configuration using Spectrum.
+    const splits: SplitOptions =
+      Object.keys(_splits).length > 0
+        ? _splits
+        : JSON.parse(process.env.SPLIT_CONFIG_BY_SPECTRUM ?? '{}')
+
     const isMain =
       !!process.env.SPLIT_ACTIVE ||
       (manuals?.isOriginal ?? process.env.VERCEL_ENV === 'production')