Rename second batch for '.ts' files to '.tsx' in scripts dir

Summary: Rename first batch for '.ts' files to '.tsx'

Reviewed By: passy

Differential Revision: D33843246

fbshipit-source-id: eb8080db8cc3ef07820339bf8deafa208432de7c

desktop/scripts/jest-setup.tsx

@@ -0,0 +1,36 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+// import/no-unresolved complains, although it is a perfectly fine import
+// eslint-disable-next-line
+(global as any).fetch = require('jest-fetch-mock');
+
+// @ts-ignore
+global.electronRequire = require;
+
+// make sure test run everywhere in the same timezone!
+// +11, somewhere in the middle of nowhere, so this deviates for everyone and will fail early :)
+const timezone = 'Pacific/Pohnpei';
+if (process.env.TZ !== timezone) {
+  throw new Error(
+    `Test started in the wrong timezone, got ${process.env.TZ}, but expected ${timezone}. Please use the package.json commands to start Jest, or prefix the command with TZ=${timezone}`,
+  );
+}
+
+// Make sure we have identical formatting of Dates everywhere
+const toLocaleString = Date.prototype.toLocaleString;
+// eslint-disable-next-line no-extend-native
+(Date as any).prototype.toLocaleString = function (
+  _locale: any,
+  ...args: any[]
+) {
+  return toLocaleString.call(this, 'en-US', ...args);
+};
+
+require('immer').enableMapSet();