なんかもうめっちゃ変えた

packages/backend/jest-resolver.cjs

@@ -0,0 +1,14 @@
+// https://github.com/facebook/jest/issues/12270#issuecomment-1194746382
+
+const nativeModule = require('node:module');
+
+function resolver(module, options) {
+  const { basedir, defaultResolver } = options;
+  try {
+    return defaultResolver(module, options);
+  } catch (error) {
+    return nativeModule.createRequire(basedir).resolve(module);
+  }
+}
+
+module.exports = resolver;