From 0727cf9c36b122131e8b6625d4cc4f3c76b457d1 Mon Sep 17 00:00:00 2001
From: Jason Morse <35609178+JasonVMo@users.noreply.github.com>
Date: Thu, 23 Jan 2025 12:25:19 -0800
Subject: [PATCH] feat(config): add helper for loading kit config in the case
 where package.json has been parsed already (#3492)

* add helper for loading kit config when package.json has already been parsed

* docs(changeset): Add helper to load the kit config from an already parsed package.json file

* add export for new helper (missed when xferring change over)

* renamed getKitConfigFromPackageJson to getKitConfigFromPackageManifest
---
 .changeset/cuddly-carrots-carry.md  |  5 +++++
 packages/config/src/getKitConfig.ts | 13 +++++++++++++
 packages/config/src/index.ts        |  2 +-
 3 files changed, 19 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/cuddly-carrots-carry.md

diff --git a/.changeset/cuddly-carrots-carry.md b/.changeset/cuddly-carrots-carry.md
new file mode 100644
index 000000000..173af038b
--- /dev/null
+++ b/.changeset/cuddly-carrots-carry.md
@@ -0,0 +1,5 @@
+---
+"@rnx-kit/config": patch
+---
+
+Add helper to load the kit config from an already parsed package.json file
diff --git a/packages/config/src/getKitConfig.ts b/packages/config/src/getKitConfig.ts
index 041ba3095..001372c08 100644
--- a/packages/config/src/getKitConfig.ts
+++ b/packages/config/src/getKitConfig.ts
@@ -69,3 +69,16 @@ export function getKitConfig(
     return undefined;
   }
 }
+
+/**
+ * Helper for loading the KitConfig for cases where the package.json has already been loaded for other reasons.
+ * @param packageJson The loaded and parsed package.json file for this package.
+ * @param packageDir The directory containing the package.json file.
+ * @returns The rnx-kit configuration for this package, merged with any base configuration.
+ */
+export function getKitConfigFromPackageManifest(
+  packageJson: PackageManifest,
+  packageDir: string
+): KitConfig | undefined {
+  return loadBaseConfig(packageJson["rnx-kit"], packageDir);
+}
diff --git a/packages/config/src/index.ts b/packages/config/src/index.ts
index da377262a..1114b053c 100644
--- a/packages/config/src/index.ts
+++ b/packages/config/src/index.ts
@@ -11,7 +11,7 @@ export { getBundleConfig, getPlatformBundleConfig } from "./getBundleConfig";
 export { getKitCapabilities } from "./getKitCapabilities";
 export type { KitCapabilities } from "./getKitCapabilities";
 
-export { getKitConfig } from "./getKitConfig";
+export { getKitConfig, getKitConfigFromPackageManifest } from "./getKitConfig";
 export type { GetKitConfigOptions } from "./getKitConfig";
 
 export type {