From f59f01a762e80fbdd3b014c78860ed21ef70a78f Mon Sep 17 00:00:00 2001
From: Eneas Rotterdam <eneas.rotterdam@yahoo.de>
Date: Thu, 5 Dec 2024 22:09:01 +0100
Subject: [PATCH] chore: fix cosmos to start with the latest Node version

The --experimental-policy flag was removed in Node v22.2.0.
---
 cosmos-import.js   | 12 ++++++++++++
 cosmos-policy.json | 12 ------------
 package.json       |  4 ++--
 3 files changed, 14 insertions(+), 14 deletions(-)
 create mode 100644 cosmos-import.js
 delete mode 100644 cosmos-policy.json

diff --git a/cosmos-import.js b/cosmos-import.js
new file mode 100644
index 0000000000..8dcbfdc3d4
--- /dev/null
+++ b/cosmos-import.js
@@ -0,0 +1,12 @@
+import { register } from 'node:module';
+import { pathToFileURL } from 'node:url';
+
+register(pathToFileURL('cosmos-import.js'));
+
+export async function resolve(specifier, context, nextResolve) {
+  if (specifier === 'react') {
+    return nextResolve('preact/compat', context);
+  }
+
+  return nextResolve(specifier, context);
+}
diff --git a/cosmos-policy.json b/cosmos-policy.json
deleted file mode 100644
index 6f8a78d3d8..0000000000
--- a/cosmos-policy.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "dependencies": true,
-  "scopes": {
-    "": {
-      "cascade": true,
-      "integrity": true,
-      "dependencies": {
-        "react": "./node_modules/preact/compat/dist/compat.mjs"
-      }
-    }
-  }
-}
diff --git a/package.json b/package.json
index 499d28ef92..0c3a825799 100644
--- a/package.json
+++ b/package.json
@@ -29,8 +29,8 @@
     "build:safari": "rspack --env target=safari",
     "build:thunderbird": "rspack --env target=thunderbird",
     "check-keys": "tsx scripts/check-keys",
-    "cosmos": "node --experimental-policy=cosmos-policy.json node_modules/react-cosmos/bin/cosmos.js",
-    "cosmos-export": "node --experimental-policy=cosmos-policy.json node_modules/react-cosmos/bin/cosmos-export.js",
+    "cosmos": "node --import=./cosmos-import.js node_modules/react-cosmos/bin/cosmos.js",
+    "cosmos-export": "node --import=./cosmos-import.js node_modules/react-cosmos/bin/cosmos-export.js",
     "postinstall": "if-env RELEASE_BUILD=1 || husky",
     "lint": "web-ext lint && eslint src/",
     "package": "rspack --env package",