From 714c60314b41419c329c9dcf498962cb80da179b Mon Sep 17 00:00:00 2001
From: Xia Chao <236466140+bun-unsafe@users.noreply.github.com>
Date: Fri, 4 Sep 2026 03:49:44 +0800
Subject: [PATCH] =?UTF-8?q?fix(mp-toutiao):=20=E5=81=9C=E6=AD=A2=E5=AF=B9?=
 =?UTF-8?q?=E5=90=8C=E6=AD=A5=E5=AD=90=E7=BB=84=E4=BB=B6=E5=BC=BA=E5=88=B6?=
 =?UTF-8?q?=E6=B3=A8=E5=85=A5=20componentPlaceholder?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fixes #6057
---
 .../uni-cli-shared/__tests__/cache.spec.js     | 18 +++++++++---------
 packages/uni-cli-shared/lib/cache.js           | 12 ------------
 2 files changed, 9 insertions(+), 21 deletions(-)

diff --git a/packages/uni-cli-shared/__tests__/cache.spec.js b/packages/uni-cli-shared/__tests__/cache.spec.js
index 3ab10ff484..af554befc1 100644
--- a/packages/uni-cli-shared/__tests__/cache.spec.js
+++ b/packages/uni-cli-shared/__tests__/cache.spec.js
@@ -80,31 +80,31 @@ describe('shared:cache', () => {
   })
 
   it('mp-toutiao generate component.json', () => {
+    const prevPlatform = process.env.UNI_PLATFORM
     process.env.UNI_PLATFORM = 'mp-toutiao'
-    const name = 'components/component-tag-name'
+    // 独立 name：覆盖 add 与 update。不得再强制注入 componentPlaceholder（#6057）
+    const name = 'components/toutiao-no-force-placeholder'
     let usingComponents = {
       'my-component': '/components/component-tag-name'
     }
-    const componentPlaceholder = {
-      'my-component': 'view'
-    }
     updateUsingComponents(name, usingComponents, 'Component')
     let componentJsonStr = getChangedJsonFileMap().get(name + '.json')
     expect(componentJsonStr).toBe(JSON.stringify({
       usingComponents,
-      component: true,
-      componentPlaceholder
+      component: true
     }, null, 2))
     expect(0).toBe(getChangedJsonFileMap().size)
 
-    usingComponents = {}
+    usingComponents = {
+      'u-icon': '/components/u-icon'
+    }
     updateUsingComponents(name, usingComponents, 'Component')
     componentJsonStr = getChangedJsonFileMap().get(name + '.json')
     expect(componentJsonStr).toBe(JSON.stringify({
       usingComponents,
-      component: true,
-      componentPlaceholder
+      component: true
     }, null, 2))
     expect(0).toBe(getChangedJsonFileMap().size)
+    process.env.UNI_PLATFORM = prevPlatform
   })
 })
diff --git a/packages/uni-cli-shared/lib/cache.js b/packages/uni-cli-shared/lib/cache.js
index ff34a0213c..54f28e25da 100644
--- a/packages/uni-cli-shared/lib/cache.js
+++ b/packages/uni-cli-shared/lib/cache.js
@@ -200,18 +200,6 @@ function updateUsingComponents (name, usingComponents, type, content = '') {
   }
   if (oldJsonStr) { // update
     jsonObj.usingComponents = usingComponents
-    // 嵌套组件获取 props 为 null，使用占组件修正父子组件生命周期执行顺序 https://developer.open-douyin.com/docs/resource/zh-CN/mini-app/develop/tutorial/custom-component/placeholder
-    if (process.env.UNI_PLATFORM === 'mp-toutiao') {
-      if (type === 'Component') {
-        const usingComponentnames = Object.keys(jsonObj.usingComponents)
-        if (usingComponentnames.length) {
-          jsonObj.componentPlaceholder = {}
-          usingComponentnames.forEach(componentName => {
-            jsonObj.componentPlaceholder[componentName] = 'view'
-          })
-        }
-      }
-    }
     const newJsonStr = JSON.stringify(jsonObj, null, 2)
     if (newJsonStr !== oldJsonStr) {
       updateJsonFile(name, newJsonStr)