chore: oops forgot this part

Author: wjhsf

scripts/rollup/plugin-virtual.mjs

@@ -0,0 +1,14 @@
+// Note: this is implemented as a .js + .d.ts, rather than just .js or .ts,
+// so we can use it in both JS scripts without compiling and in TS test files
+
+export default function virtual(code, name = '__virtual__') {
+    return {
+        resolveId(id) {
+            // Don't turn the virtual module into a real file path
+            if (id === name) return id;
+        },
+        load(id) {
+            if (id === name) return code;
+        },
+    };
+}