From 14b7caf73a8f4f434cd409a238ec50150738613b Mon Sep 17 00:00:00 2001
From: Fansy <35361626+fanhaoyuan@users.noreply.github.com>
Date: Tue, 8 Nov 2022 17:17:41 +0800
Subject: [PATCH] feat(plugin-vue-jsx): add `jsx` pure flag (#10205)

---
 packages/plugin-vue-jsx/src/index.ts | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/packages/plugin-vue-jsx/src/index.ts b/packages/plugin-vue-jsx/src/index.ts
index cb288872..15fcb808 100644
--- a/packages/plugin-vue-jsx/src/index.ts
+++ b/packages/plugin-vue-jsx/src/index.ts
@@ -6,6 +6,8 @@ import jsx from '@vue/babel-plugin-jsx'
 import { createFilter, normalizePath } from 'vite'
 import type { ComponentOptions } from 'vue'
 import type { Plugin } from 'vite'
+// eslint-disable-next-line node/no-extraneous-import
+import type { CallExpression, Identifier } from '@babel/types'
 import type { Options } from './types'
 
 export * from './types'
@@ -93,6 +95,23 @@ function vueJsxPlugin(options: Options = {}): Plugin {
           ])
         }
 
+        if (!ssr && !needHmr) {
+          plugins.push(() => {
+            return {
+              visitor: {
+                CallExpression: {
+                  enter(_path: babel.NodePath<CallExpression>) {
+                    if (isDefineComponentCall(_path.node)) {
+                      const callee = _path.node.callee as Identifier
+                      callee.name = `/* @__PURE__ */ ${callee.name}`
+                    }
+                  }
+                }
+              }
+            }
+          })
+        }
+
         const result = babel.transformSync(code, {
           babelrc: false,
           ast: true,