Update for firefox 138.0 beta 9

README.md

@@ -30,7 +30,7 @@
 
 Zen is currently built using Firefox version `137.0.2`! 🚀
 
-- [`Zen Twilight`](https://zen-browser.app/download?twilight) - Is currently built using Firefox version `RC 137.0.2`!
+- [`Zen Twilight`](https://zen-browser.app/download?twilight) - Is currently built using Firefox version `RC 138.0`!
 - Check out the latest [release notes](https://zen-browser.app/release-notes)!
 - Part of our mission is to keep Zen up-to-date with the latest version of Firefox, so you can enjoy the latest features and security updates!
 

babel.config.json

@@ -0,0 +1,3 @@
+{
+  "presets": ["@babel/preset-typescript"]
+}

build/firefox-cache/l10n-last-commit-hash

@@ -1 +1 @@
-ee85441427e22eb9fbc8d3eb62c7e5804535f0bc
+7113caf804fda45f011f1900c25de638398d586e

build/ts/transform-ts.js

@@ -0,0 +1,10 @@
+const fs = require('fs');
+const MJS_FILES = ['src/zen/split-view/ZenViewSplitter.ts'];
+
+for (const file of MJS_FILES) {
+  const code = fs.readFileSync(file, 'utf8');
+  require('@babel/core').transformSync(code, {
+    presets: ['@babel/preset-typescript'],
+    filename: file,
+  });
+}