fix(mp): 修复新版作用域插槽编译模式嵌套自定义组件不显示的问题 question/126058

packages/uni-template-compiler/__tests__/compiler-mp-weixin.spec.js

@@ -196,6 +196,14 @@ describe('mp:compiler-mp-weixin', () => {
         scopedSlotsCompiler: 'augmented'
       }
     )
+    assertCodegen(
+      '<my-component1><my-component2><template v-slot="{item}">{{getValue(item)}}<template></my-component2></my-component1>',
+      '<my-component1 vue-id="551070e6-1" bind:__l="__l" vue-slots="{{[\'default\']}}"><my-component2 vue-id="{{(\'551070e6-2\')+\',\'+(\'551070e6-1\')}}" bind:__l="__l" vue-slots="{{[\'default\']}}"><block><block wx:if="{{$root.m0}}">{{$root.m1}}</block></block></my-component2></my-component1>',
+      'with(this){var m0=$hasScopedSlotsParams("551070e6-2");var m1=m0?getValue($getScopedSlotsParams("551070e6-2","default","item")):null;$mp.data=Object.assign({},{$root:{m0:m0,m1:m1}})}',
+      {
+        scopedSlotsCompiler: 'augmented'
+      }
+    )
     assertCodegen(
       '<view><slot :item="item"><slot></view>',
       '<view><block wx:if="{{$slots.default}}"><slot></slot></block><block wx:else><slot></slot></block></view>',

src/platforms/mp-weixin/runtime/wrapper/app-base-parser.js

@@ -74,11 +74,14 @@ function initScopedSlotsParams () {
   }
 
   Vue.prototype.$setScopedSlotsParams = function (name, value) {
-    const vueId = this.$options.propsData.vueId
-    const object = center[vueId] = center[vueId] || {}
-    object[name] = value
-    if (parents[vueId]) {
-      parents[vueId].$forceUpdate()
+    const vueIds = this.$options.propsData.vueId
+    if (vueIds) {
+      const vueId = vueIds.split(',')[0]
+      const object = center[vueId] = center[vueId] || {}
+      object[name] = value
+      if (parents[vueId]) {
+        parents[vueId].$forceUpdate()
+      }
     }
   }