From d62c85acc863df319af49e81c6d3038ed019c4f3 Mon Sep 17 00:00:00 2001
From: 07akioni <07akioni2@gmail.com>
Date: Sat, 7 Nov 2020 16:37:48 +0800
Subject: [PATCH 1/2] test(preserve-modules)

---
 examples/preserve-modules/package.json       | 12 ++++++++++++
 examples/preserve-modules/rollup.config.js   | 15 +++++++++++++++
 examples/preserve-modules/src/App.vue        | 14 ++++++++++++++
 examples/preserve-modules/src/HelloWorld.vue |  9 +++++++++
 package.json                                 |  1 +
 test/core.e2e.ts                             | 12 ++++++++++++
 6 files changed, 63 insertions(+)
 create mode 100644 examples/preserve-modules/package.json
 create mode 100644 examples/preserve-modules/rollup.config.js
 create mode 100644 examples/preserve-modules/src/App.vue
 create mode 100644 examples/preserve-modules/src/HelloWorld.vue

diff --git a/examples/preserve-modules/package.json b/examples/preserve-modules/package.json
new file mode 100644
index 0000000..c7fc08d
--- /dev/null
+++ b/examples/preserve-modules/package.json
@@ -0,0 +1,12 @@
+{
+  "name": "preserve-modules",
+  "version": "0.0.0",
+  "private": true,
+  "scripts": {
+    "build": "rollup -c"
+  },
+  "dependencies": {
+    "rollup": "^2.10.9",
+    "rollup-plugin-vue": "link:../.."
+  }
+}
diff --git a/examples/preserve-modules/rollup.config.js b/examples/preserve-modules/rollup.config.js
new file mode 100644
index 0000000..441f2f2
--- /dev/null
+++ b/examples/preserve-modules/rollup.config.js
@@ -0,0 +1,15 @@
+import VuePlugin from 'rollup-plugin-vue'
+
+export default [
+  {
+    input: 'src/HelloWorld.vue',
+    output: {
+      file: 'dist/HelloWorld.js',
+      format: 'esm',
+      sourcemap: 'inline',
+      preserveModules: true,
+    },
+    plugins: [VuePlugin()],
+    external: ['vue'],
+  },
+]
diff --git a/examples/preserve-modules/src/App.vue b/examples/preserve-modules/src/App.vue
new file mode 100644
index 0000000..4e6c171
--- /dev/null
+++ b/examples/preserve-modules/src/App.vue
@@ -0,0 +1,14 @@
+<template>
+  <hello-world name="World" />
+</template>
+
+<script>
+import HelloWorld from './HelloWorld.vue'
+
+export default {
+  name: 'App',
+  components: {
+    HelloWorld
+  }
+}
+</script>
diff --git a/examples/preserve-modules/src/HelloWorld.vue b/examples/preserve-modules/src/HelloWorld.vue
new file mode 100644
index 0000000..7bb97bf
--- /dev/null
+++ b/examples/preserve-modules/src/HelloWorld.vue
@@ -0,0 +1,9 @@
+<script>
+export default {
+  props: ['name'],
+}
+</script>
+
+<template>
+  <div>Hello {{ name }}!</div>
+</template>
diff --git a/package.json b/package.json
index 724f173..75139be 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
   "dependencies": {
     "debug": "^4.1.1",
     "hash-sum": "^2.0.0",
+    "rollup-plugin-typescript2": "^0.29.0",
     "rollup-pluginutils": "^2.8.2"
   },
   "peerDependencies": {
diff --git a/test/core.e2e.ts b/test/core.e2e.ts
index 8b63f15..9f91fe9 100644
--- a/test/core.e2e.ts
+++ b/test/core.e2e.ts
@@ -92,6 +92,18 @@ describe('typescript', () => {
   })
 })
 
+describe('preserve modules', () => {
+  let result!: RollupOutput
+
+  beforeAll(async () => {
+    result = await roll('preserve-modules')
+  })
+
+  it('should have modules', () => {
+    expect(Object.keys(result.output[0].modules).length).not.toEqual(0)
+  })
+})
+
 import Path from 'path'
 async function roll(name: string) {
   const configFile = `../examples/${name}/rollup.config.js`

From d2abae4844e8b429736968deec619cb6aa9d50ec Mon Sep 17 00:00:00 2001
From: 07akioni <07akioni2@gmail.com>
Date: Sat, 7 Nov 2020 16:42:05 +0800
Subject: [PATCH 2/2] chore: clean deps

---
 package.json | 1 -
 1 file changed, 1 deletion(-)

diff --git a/package.json b/package.json
index 75139be..724f173 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,6 @@
   "dependencies": {
     "debug": "^4.1.1",
     "hash-sum": "^2.0.0",
-    "rollup-plugin-typescript2": "^0.29.0",
     "rollup-pluginutils": "^2.8.2"
   },
   "peerDependencies": {