feat(plugin-vite): support all export default expressions

javascript-modules-engine/package.json

@@ -29,7 +29,7 @@
     "@rollup/plugin-typescript": "^12.1.2",
     "@types/node": "^22.13.5",
     "devalue": "^5.1.1",
-    "rollup": "^4.34.8",
+    "rollup": "^4.35.0",
     "rollup-plugin-sbom": "^2.0.2"
   }
 }

vite-plugin/package.json

@@ -27,7 +27,7 @@
     "@types/node": "^22.13.5",
     "pkgroll": "^2.11.0",
     "publint": "^0.3.6",
-    "rollup": "^4.34.8",
+    "rollup": "^4.35.0",
     "vite": "^6.1.1"
   },
   "peerDependencies": {

vite-plugin/src/index.ts

@@ -12,14 +12,10 @@ const external = Object.keys(sharedLibs);
 
 /** Plugin to execute a callback when a build succeeds. */
 function buildSuccessPlugin(callback: () => void | Promise<void>): Plugin {
-  let succeeded = true;
   return {
     name: "build-success-callback",
-    buildEnd(error) {
-      succeeded = !error;
-    },
-    async closeBundle() {
-      if (succeeded) await callback();
+    async closeBundle(error) {
+      if (!error) await callback();
     },
   };
 }

vite-plugin/src/insert-filename.ts

@@ -1,9 +1,9 @@
 import { print } from "esrap";
 import type { Node } from "estree";
-import { Plugin } from "rollup";
+import type { Plugin } from "rollup";
 import { walk } from "zimmerframe";
 import { createFilter } from "@rollup/pluginutils";
-import path from "path";
+import path from "node:path";
 
 /**
  * This plugin adds a `__filename` property to all default exports.
@@ -44,7 +44,6 @@ export const insertFilename = (root: string, prefix: string): Plugin => {
       const ast = walk(this.parse(code) as Node, null, {
         // Only target `export default function`
         ExportDefaultDeclaration(node) {
-          if (node.declaration.type !== "FunctionDeclaration") return;
           return {
             // export default
             type: "ExportDefaultDeclaration",
@@ -64,11 +63,12 @@ export const insertFilename = (root: string, prefix: string): Plugin => {
                 property: { type: "Identifier", name: "defineProperty" },
               },
               arguments: [
-                {
-                  // Original function
-                  ...node.declaration,
-                  type: "FunctionExpression",
-                },
+                // Convert function and class declarations to expressions, keep others as is
+                node.declaration.type === "FunctionDeclaration"
+                  ? { ...node.declaration, type: "FunctionExpression" }
+                  : node.declaration.type === "ClassDeclaration"
+                    ? { ...node.declaration, type: "ClassExpression" }
+                    : node.declaration,
                 { type: "Literal", value: "__filename" },
                 {
                   // { value: id, enumerable: false }