From 13ac849db5c378ed04d02d644006f01e70db31b6 Mon Sep 17 00:00:00 2001
From: Kit Langton <kit.langton@gmail.com>
Date: Sun, 3 May 2026 11:21:34 -0400
Subject: refactor(config+core): drop ConfigPaths.readFile, add
 AppFileSystem.readFileStringSafe, flatten TuiConfig.loadState (#25602)

---
 packages/core/src/filesystem.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'packages/core/src')

diff --git a/packages/core/src/filesystem.ts b/packages/core/src/filesystem.ts
index 44346be8f..8a1cc3a08 100644
--- a/packages/core/src/filesystem.ts
+++ b/packages/core/src/filesystem.ts
@@ -24,6 +24,7 @@ export namespace AppFileSystem {
     readonly isDir: (path: string) => Effect.Effect<boolean>
     readonly isFile: (path: string) => Effect.Effect<boolean>
     readonly existsSafe: (path: string) => Effect.Effect<boolean>
+    readonly readFileStringSafe: (path: string) => Effect.Effect<string | undefined, Error>
     readonly readJson: (path: string) => Effect.Effect<unknown, Error>
     readonly writeJson: (path: string, data: unknown, mode?: number) => Effect.Effect<void, Error>
     readonly ensureDir: (path: string) => Effect.Effect<void, Error>
@@ -47,6 +48,12 @@ export namespace AppFileSystem {
         return yield* fs.exists(path).pipe(Effect.orElseSucceed(() => false))
       })
 
+      const readFileStringSafe = Effect.fn("FileSystem.readFileStringSafe")(function* (path: string) {
+        return yield* fs
+          .readFileString(path)
+          .pipe(Effect.catchReason("PlatformError", "NotFound", () => Effect.succeed(undefined)))
+      })
+
       const isDir = Effect.fn("FileSystem.isDir")(function* (path: string) {
         const info = yield* fs.stat(path).pipe(Effect.catch(() => Effect.void))
         return info?.type === "Directory"
@@ -163,6 +170,7 @@ export namespace AppFileSystem {
       return Service.of({
         ...fs,
         existsSafe,
+        readFileStringSafe,
         isDir,
         isFile,
         readDirectoryEntries,
-- 
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