fix: conditional access to mod.default

Author: pi0

README.md

@@ -65,10 +65,10 @@ const mod = await jiti.import("./path/to/file.ts");
 const resolvedPath = jiti.esmResolve("./src");
 ```
 
-If you need the default export of module, you can use `jiti.import(id, { default: true })` as shortcut to `mod.default ?? mod`.
+If you need the default export of module, you can use `jiti.import(id, { default: true })` as shortcut to `mod?.default ?? mod`.
 
 ```js
-// shortcut to mod.default ?? mod
+// shortcut to mod?.default ?? mod
 const modDefault = await jiti.import("./path/to/file.ts", { default: true });
 ```
 

lib/types.d.ts

@@ -16,7 +16,7 @@ export interface Jiti extends NodeRequire {
   /**
    * ESM import a module with additional Typescript and ESM compatibility.
    *
-   * If you need the default export of module, you can use `jiti.import(id, { default: true })` as shortcut to `mod.default ?? mod`.
+   * If you need the default export of module, you can use `jiti.import(id, { default: true })` as shortcut to `mod?.default ?? mod`.
    */
   import(
     id: string,

src/jiti.ts

@@ -143,7 +143,7 @@ export default function createJiti(
       },
       async import(id: string, opts?: JitiResolveOptions & { default?: true }) {
         const mod = await jitiRequire(ctx, id, { ...opts, async: true });
-        return opts?.default ? (mod.default ?? mod) : mod;
+        return opts?.default ? (mod?.default ?? mod) : mod;
       },
       esmResolve(id: string, opts?: string | JitiResolveOptions): string {
         if (typeof opts === "string") {