From 94d44da1552f75d4a1dab855b529aea9babc4001 Mon Sep 17 00:00:00 2001
From: "guo.xu" <xuguo@outlook.it>
Date: Tue, 27 Apr 2021 16:34:31 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=94=AF=E6=8C=81=E8=87=AA=E5=AE=9A?=
 =?UTF-8?q?=E4=B9=89=E6=B5=8F=E8=A7=88=E5=99=A8=E5=88=97=E8=A1=A8=E4=BB=A5?=
 =?UTF-8?q?=E5=8F=8A=E5=BC=80=E5=90=AF=E5=8A=A8=E6=80=81import?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 packages/plugin-lib-legacy/src/plugin.ts | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/packages/plugin-lib-legacy/src/plugin.ts b/packages/plugin-lib-legacy/src/plugin.ts
index 9664f77..fc48098 100644
--- a/packages/plugin-lib-legacy/src/plugin.ts
+++ b/packages/plugin-lib-legacy/src/plugin.ts
@@ -5,16 +5,21 @@ import * as babel from '@babel/core'
 import preset from '@xus/babel-preset'
 
 interface ILegacyPluginOps {
-  targets?: string | string[]
+  targets?: string | string[] | { browsers: string[] } | Record<string, string>
   helper?: 'bundled' | 'runtime'
   sourceMaps?: boolean
+  useDynamicImport?: boolean
 }
 
 const logger = new Logger(`xus:rollup:legacy`)
 
 export function legacyPlugin(ops?: ILegacyPluginOps): Plugin {
-  const { helper = 'runtime', sourceMaps = false, targets = 'defaults' } =
-    ops || {}
+  const {
+    helper = 'runtime',
+    sourceMaps = false,
+    targets,
+    useDynamicImport = false
+  } = ops || {}
   return {
     name: 'xus:rollup:legacy',
     async renderChunk(code, chunk, ops) {
@@ -28,10 +33,12 @@ export function legacyPlugin(ops?: ILegacyPluginOps): Plugin {
           {
             targets,
             modules: false,
+            useTransformRuntime: helper === 'runtime',
             useESModules: true,
             usageMode:
               helper === 'bundled' || ['iife', 'umd'].includes(ops.format),
-            absoluteRuntime: false
+            absoluteRuntime: false,
+            useDynamicImport
           }
         ]
       ]