From eb4f2d1996ea76d740529f0d27715d224012635c Mon Sep 17 00:00:00 2001
From: "Ilya.Kazakevich" <ilya.kazakevich@jetbrains.com>
Date: Wed, 5 Nov 2025 23:41:46 +0100
Subject: [PATCH] [eel] Add `separator` to fs.

While NIO has one, it represents local (the one used by `Path`)
separator.

This one represents separator on Eel

GitOrigin-RevId: aadfc084314e353000be25c477fefa797ca564e9
---
 .../intellij/platform/eel/fs/EelFileSystemApi.kt | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/platform/eel/src/com/intellij/platform/eel/fs/EelFileSystemApi.kt b/platform/eel/src/com/intellij/platform/eel/fs/EelFileSystemApi.kt
index 124b216ec9f7..4b9afab59842 100644
--- a/platform/eel/src/com/intellij/platform/eel/fs/EelFileSystemApi.kt
+++ b/platform/eel/src/com/intellij/platform/eel/fs/EelFileSystemApi.kt
@@ -12,10 +12,16 @@ import java.nio.ByteBuffer
 
 @get:ApiStatus.Internal
 val EelFileSystemApi.pathSeparator: String
-  get() = when (this) {
-    is EelFileSystemPosixApi -> ":"
-    is EelFileSystemWindowsApi -> ";"
-    else -> throw UnsupportedOperationException("Unsupported OS: ${this::class.java}")
+  get() = when (descriptor.osFamily) {
+    EelOsFamily.Posix -> ":"
+    EelOsFamily.Windows -> ";"
+  }
+
+@get:ApiStatus.Internal
+val EelFileSystemApi.separator: Char
+  get() = when (descriptor.osFamily) {
+    EelOsFamily.Posix -> '/'
+    EelOsFamily.Windows -> '\\'
   }
 
 @ApiStatus.Internal
@@ -1180,4 +1186,4 @@ suspend fun EelFileSystemApi.copy(
 suspend fun EelFileSystemApi.createTemporaryDirectory(setup: (EelFileSystemApi.CreateTemporaryEntryOptions.Builder).() -> Unit): EelResult<EelPath, EelFileSystemApi.CreateTemporaryEntryError> {
   val options = EelFileSystemApi.CreateTemporaryEntryOptions.Builder().apply(setup).build()
   return createTemporaryDirectory(options)
-}
\ No newline at end of file
+}