Working around microsoft/TypeScript#54573

packages/realm/scripts/fix-dist-filenames.ts

@@ -0,0 +1,43 @@
+////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2023 Realm Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+////////////////////////////////////////////////////////////////////////////
+
+/* eslint-disable no-console */
+
+import fs from "node:fs";
+import path from "node:path";
+
+const DIST_PATH = path.resolve(__dirname, "../dist");
+
+console.log(`Running post build script to work around https://github.com/microsoft/TypeScript/issues/54573`);
+
+function fixFilesInDirectory(...segments: string[]) {
+  for (const dirent of fs.readdirSync(path.join(...segments), { withFileTypes: true })) {
+    if (dirent.isFile()) {
+      const updatedName = dirent.name.replaceAll(".mjs", ".cjs").replaceAll(".mts", ".cts");
+      if (updatedName !== dirent.name) {
+        // Move the file
+        console.log(`Renaming ${dirent.name} → ${updatedName}`);
+        fs.renameSync(path.resolve(...segments, dirent.name), path.resolve(...segments, updatedName));
+      }
+    } else if (dirent.isDirectory()) {
+      fixFilesInDirectory(...segments, dirent.name);
+    }
+  }
+}
+
+fixFilesInDirectory(DIST_PATH);

packages/realm/scripts/tsconfig.json

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+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "Node16",
+    "moduleResolution": "node"
+  }
+}