Use the closest package.json to an asset if it's a package entry

packages/utils/node-resolver-core/src/NodeResolver.js

@@ -779,6 +779,7 @@ export default class NodeResolver {
           let res =
             (await this.loadAsFile({
               file: entry.filename,
+              asPackageEntry: true,
               extensions,
               env,
               pkg,
@@ -972,12 +973,14 @@ export default class NodeResolver {
     extensions,
     env,
     pkg,
+    asPackageEntry,
     ctx,
   }: {|
     file: string,
     extensions: Array<string>,
     env: Environment,
     pkg: InternalPackageJSON | null,
+    asPackageEntry?: boolean,
     ctx: ResolverContext,
   |}): Promise<?ResolvedFile> {
     // Try all supported extensions
@@ -997,7 +1000,14 @@ export default class NodeResolver {
     }
 
     if (found) {
-      return {path: found, pkg};
+      return {
+        path: found,
+        // If this is an entrypoint in package.json, it's possible pkg is not the
+        // closest package.json to the resolved file. Reload it instead.
+        pkg: asPackageEntry
+          ? await this.readPackage(path.dirname(found), ctx)
+          : pkg,
+      };
     }
 
     return null;