From a23163caba89a02e515fb0be44b2c6666a4c96ca Mon Sep 17 00:00:00 2001
From: diondiondion <mail@diondiondion.com>
Date: Tue, 11 Nov 2025 11:31:10 +0100
Subject: [PATCH] Add experimental feature flag 'styles_with_tokens'

---
 config/vite/plugin-mastodon-themes.ts | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/config/vite/plugin-mastodon-themes.ts b/config/vite/plugin-mastodon-themes.ts
index 251d2d8e724..a4740ab8a11 100644
--- a/config/vite/plugin-mastodon-themes.ts
+++ b/config/vite/plugin-mastodon-themes.ts
@@ -140,7 +140,14 @@ async function loadThemesFromConfig(root: string) {
       console.warn(`Invalid theme path "${themePath}" in themes.yml, skipping`);
       continue;
     }
-    themes[themeName] = themePath;
+
+    let mappedThemePath: string = themePath;
+
+    if (isStylesWithTokensEnabled()) {
+      mappedThemePath = themePath.replace('styles/', 'styles_new/');
+    }
+
+    themes[themeName] = mappedThemePath;
   }
 
   if (Object.keys(themes).length === 0) {
@@ -163,3 +170,13 @@ function isThemeFile(file: string, themes: Themes) {
   const basename = pathToThemeName(file);
   return basename in themes;
 }
+
+function isStylesWithTokensEnabled() {
+  // Read the ENV at plugin initialization time
+  const raw = process.env.EXPERIMENTAL_FEATURES ?? '';
+  const features = raw
+    .split(',')
+    .map((s) => s.trim())
+    .filter(Boolean);
+  return features.includes('styles_with_tokens');
+}