From fd250ae4f087f729396c99386f2689c2e6fd0a87 Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Sat, 9 May 2026 10:39:28 +0100
Subject: [PATCH] perf(rollup): skip URI-scheme ids before `this.resolve()`

---
 src/rollup/plugins/externals.ts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/rollup/plugins/externals.ts b/src/rollup/plugins/externals.ts
index 1cfd447c31..3841dc1acb 100644
--- a/src/rollup/plugins/externals.ts
+++ b/src/rollup/plugins/externals.ts
@@ -17,6 +17,8 @@ import { readPackageJSON, writePackageJSON } from "pkg-types";
 import type { Plugin } from "rollup";
 import semver from "semver";
 
+const URI_SCHEME_RE = /^[a-z0-9]{2,}:/;
+
 export function externals(opts: NodeExternalsOptions): Plugin {
   const trackedExternals = new Set<string>();
 
@@ -83,6 +85,16 @@ export function externals(opts: NodeExternalsOptions): Plugin {
         return null;
       }
 
+      if (URI_SCHEME_RE.test(originalId)) {
+        if (
+          originalId.startsWith("node:") &&
+          !isExplicitInline(originalId, importer)
+        ) {
+          return { id: originalId, external: true };
+        }
+        return null;
+      }
+
       // Normalize path (windows)
       const id = normalize(originalId);