feat: add dts options: respectExternal

src/options.ts

@@ -35,6 +35,15 @@ export type DtsConfig = {
    * This option takes higher priority than `compilerOptions` in tsconfig.json
    */
   compilerOptions?: any
+  /**
+   * The dts plugin will by default flag *all* external libraries as `external`,
+   * and thus prevent them from be bundled.
+   * If you set the `respectExternal` option to `true`, the plugin will not do
+   * any default classification, but rather use the `external` option as
+   * configured via rollup.
+   * @link https://github.com/Swatinem/rollup-plugin-dts/blob/03a8728db66648e68d59497e1c05bb38cf4ff3a9/src/index.ts#L17
+   */
+  respectExternal?: boolean;
 }
 
 export type BannerOrFooter =

src/rollup.ts

@@ -151,6 +151,7 @@ const getRollupConfig = async (
         jsonPlugin(),
         ignoreFiles,
         dtsPlugin.default({
+          respectExternal: dtsOptions.respectExternal,
           tsconfig: options.tsconfig,
           compilerOptions: {
             ...compilerOptions,