🐛 Fix loading extended browserslist config when no targets are given

Signed-off-by: Ferdinand Thiessen <rpm@fthiessen.de>

Author: susnux

src/plugin.ts

@@ -33,12 +33,20 @@ export function corejsPlugin(
 		format: "esm",
 		modules: options.modules,
 		exclude: options.exclude,
-		targets: options.targets || browserslist.loadConfig({}),
+		targets:
+			options.targets ||
+			(browserslist.findConfig(".") || browserslist.loadConfig({})
+				? browserslist()
+				: undefined),
 		summary: {
 			comment: options.summary,
 		},
 	}
 
+	if (process.env.NODE_ENV === "development") {
+		console.debug("browser targets", config.targets)
+	}
+
 	return {
 		name: "core-js",
 		async transform(code, id) {