From 5243b1913eec85e469e9d4b0ef23e10b1024a9d7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ti=E1=BA=BFn=20Nguy=E1=BB=85n=20Kh=E1=BA=AFc?=
 <tien.nguyenkhac@icloud.com>
Date: Thu, 8 Aug 2024 17:11:23 +1200
Subject: [PATCH] feat: hook for getting all configured chain IDs (#88)

---
 .changeset/witty-seals-punch.md          |  5 +++++
 packages/react/src/hooks/use-chain-id.ts | 13 ++++++++++++-
 2 files changed, 17 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/witty-seals-punch.md

diff --git a/.changeset/witty-seals-punch.md b/.changeset/witty-seals-punch.md
new file mode 100644
index 00000000..f371d9d5
--- /dev/null
+++ b/.changeset/witty-seals-punch.md
@@ -0,0 +1,5 @@
+---
+"@reactive-dot/react": minor
+---
+
+Add hook for getting all configured chain IDs.
diff --git a/packages/react/src/hooks/use-chain-id.ts b/packages/react/src/hooks/use-chain-id.ts
index db4aeace..f25267a1 100644
--- a/packages/react/src/hooks/use-chain-id.ts
+++ b/packages/react/src/hooks/use-chain-id.ts
@@ -1,13 +1,24 @@
 import { ChainIdContext } from "../contexts/index.js";
+import { chainConfigsAtom } from "../stores/config.js";
 import type { ChainHookOptions } from "./types.js";
 import { type ChainId, ReDotError } from "@reactive-dot/core";
+import { useAtomValue } from "jotai";
 import { useContext } from "react";
 
+/**
+ * Hook for getting all configured chain IDs.
+ *
+ * @returns All configured chain IDs
+ */
+export function useChainIds() {
+  return Object.keys(useAtomValue(chainConfigsAtom)) as ChainId[];
+}
+
 /**
  * Hook for getting the current chain ID.
  *
  * @param options - Additional options
- * @returns
+ * @returns The current chain ID
  */
 export function useChainId<
   const TAllowList extends ChainId[],