From 01986b23552d0a5b471273a30224817bd8ebf262 Mon Sep 17 00:00:00 2001
From: nojaf <florian.verdonck@outlook.com>
Date: Sat, 21 Jun 2025 11:48:11 +0200
Subject: [PATCH] Update rewatch compiler-args for alpha 14

---
 server/src/incrementalCompilation.ts | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/server/src/incrementalCompilation.ts b/server/src/incrementalCompilation.ts
index bc56ed19a..2bbe8a48c 100644
--- a/server/src/incrementalCompilation.ts
+++ b/server/src/incrementalCompilation.ts
@@ -312,14 +312,20 @@ function getBscArgs(
             }
           }
         }
-        const compilerArgs = JSON.parse(
-          cp
-            .execFileSync(rewatchPath, [
+        const rewatchArguments = semver.satisfies(project.rescriptVersion, ">=12.0.0-alpha.14", { includePrerelease: true }) ? [
+          "compiler-args",
+           "--rescript-version",
+          project.rescriptVersion,
+          entry.file.sourceFilePath,
+        ] : [
               "--rescript-version",
               project.rescriptVersion,
               "--compiler-args",
               entry.file.sourceFilePath,
-            ])
+            ];
+        const compilerArgs = JSON.parse(
+          cp
+            .execFileSync(rewatchPath, rewatchArguments)
             .toString()
             .trim()
         ) as RewatchCompilerArgs;