Fix ESM loader for Node 16- and React 18

Related-to: a778c57. Related-to: mdx-js/mdx#1808.
wooorm · Mar 8, 2022 · cdfd61a · cdfd61a
1 parent 41377ab
commit cdfd61a
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/lib/integration/node.js b/lib/integration/node.js
@@ -88,9 +88,15 @@ export function createLoader(options = {}) {
     }
 
     const file = await process(new VFile({value, path: new URL(context.url)}))
+    let source = String(file)
+
+    if (fixRuntimeWithoutExportMap) {
+      source = String(file).replace(/\/jsx-runtime(?=["'])/g, '$&.js')
+    }
+
     // V8 on Erbium.
     /* c8 ignore next 2 */
-    return {source: String(file).replace(/\/jsx-runtime(?=["'])/g, '$&.js')}
+    return {source}
   }
   /* c8 ignore end */
 }