rebase

Author: fi3ework

lib/ExternalModule.js

@@ -760,10 +760,11 @@ class ExternalModule extends Module {
 					if (!(/** @type {BuildInfo} */ (this.buildInfo).module)) {
 						if (!runtimeTemplate.supportsDynamicImport()) {
 							throw new Error(
-								"The target environment doesn't support dynamic import() syntax so it's not possible to use external type 'module' within a script" +
-									(runtimeTemplate.supportsEcmaScriptModuleSyntax()
+								`The target environment doesn't support dynamic import() syntax so it's not possible to use external type 'module' within a script${
+									runtimeTemplate.supportsEcmaScriptModuleSyntax()
 										? "\nDid you mean to build a EcmaScript Module ('output.module: true')?"
-										: "")
+										: ""
+								}`
 							);
 						}
 						return getSourceForImportExternal(

types.d.ts

@@ -5349,6 +5349,7 @@ type IgnorePluginOptions =
 type ImportAttributes = Record<string, string> & {};
 declare interface ImportDependencyMeta {
 	attributes?: ImportAttributes;
+	externalType?: "import" | "module";
 }
 declare interface ImportModuleOptions {
 	/**