fix(mp): ensure scoped slots context

packages/uni-mp-vue/dist/vue.runtime.esm.js

@@ -5055,8 +5055,8 @@ function findScopedSlotInvoker(vueId, instance) {
 
 //@ts-ignore
 function withScopedSlot(fn, { name, path, vueId, }) {
-    fn.path = path;
     const instance = getCurrentInstance();
+    fn.path = path;
     const scopedSlots = (instance.$ssi ||
         (instance.$ssi = {}));
     const invoker = scopedSlots[vueId] ||
@@ -5081,7 +5081,10 @@ function createScopedSlotInvoker(instance) {
             // 循环第一个 slot 时，重置 data
             slot.data = {};
         }
+        // 确保当前 slot 的上下文，类似 withCtx
+        const prevInstance = setCurrentRenderingInstance(instance);
         slot.data[key] = slot.fn(args, key, slotName + (hasKey ? '-' + key : ''));
+        setCurrentRenderingInstance(prevInstance);
         // TODO 简单的 forceUpdate,理论上，可以仅对 scoped slot 部分数据 diff 更新
         instance.proxy.$forceUpdate();
     };
@@ -5130,4 +5133,4 @@ function createApp(rootComponent, rootProps = null) {
 }
 const createSSRApp = createApp;
 
-export { EffectScope, Fragment, ReactiveEffect, Text, c, callWithAsyncErrorHandling, callWithErrorHandling, computed, createApp, createSSRApp, createVNode$1 as createVNode, createVueApp, customRef, d, defineComponent, defineEmits, defineExpose, defineProps, e, effect, effectScope, f, getCurrentInstance, getCurrentScope, h, inject, injectHook, isInSSRComponentSetup, isProxy, isReactive, isReadonly, isRef, logError, markRaw, mergeDefaults, mergeProps, n, nextTick, o, onActivated, onBeforeMount, onBeforeUnmount, onBeforeUpdate, onDeactivated, onErrorCaptured, onMounted, onRenderTracked, onRenderTriggered, onScopeDispose, onUnmounted, onUpdated, patch, provide, proxyRefs, queuePostFlushCb, r, reactive, readonly, ref, resolveComponent, resolveDirective, resolveFilter, s, setupDevtoolsPlugin, shallowReactive, shallowReadonly, shallowRef, stop, t, toHandlers, toRaw, toRef, toRefs, triggerRef, unref, useAttrs, useSSRContext, useSlots, version, w, warn$1 as warn, watch, watchEffect, watchPostEffect, watchSyncEffect, withAsyncContext, withCtx, withDefaults, withDirectives, withModifiers, withScopeId };
+export { EffectScope, Fragment, ReactiveEffect, Text, c, callWithAsyncErrorHandling, callWithErrorHandling, computed, createApp, createSSRApp, createVNode$1 as createVNode, createVueApp, customRef, d, defineComponent, defineEmits, defineExpose, defineProps, e, effect, effectScope, f, getCurrentInstance, getCurrentScope, h, inject, injectHook, isInSSRComponentSetup, isProxy, isReactive, isReadonly, isRef, logError, markRaw, mergeDefaults, mergeProps, n, nextTick, o, onActivated, onBeforeMount, onBeforeUnmount, onBeforeUpdate, onDeactivated, onErrorCaptured, onMounted, onRenderTracked, onRenderTriggered, onScopeDispose, onUnmounted, onUpdated, patch, provide, proxyRefs, queuePostFlushCb, r, reactive, readonly, ref, resolveComponent, resolveDirective, resolveFilter, s, setCurrentRenderingInstance, setupDevtoolsPlugin, shallowReactive, shallowReadonly, shallowRef, stop, t, toHandlers, toRaw, toRef, toRefs, triggerRef, unref, useAttrs, useSSRContext, useSlots, version, w, warn$1 as warn, watch, watchEffect, watchPostEffect, watchSyncEffect, withAsyncContext, withCtx, withDefaults, withDirectives, withModifiers, withScopeId };

packages/uni-mp-vue/lib/vue.runtime.esm.js

@@ -4729,4 +4729,4 @@ function createVueApp(rootComponent, rootProps = null) {
 function withModifiers() { }
 function createVNode$1() { }
 
-export { EffectScope, Fragment, ReactiveEffect, Text, callWithAsyncErrorHandling, callWithErrorHandling, computed, createVNode$1 as createVNode, createVueApp, customRef, defineComponent, defineEmits, defineExpose, defineProps, effect, effectScope, getCurrentInstance, getCurrentScope, inject, injectHook, isInSSRComponentSetup, isProxy, isReactive, isReadonly, isRef, logError, markRaw, mergeDefaults, mergeProps, nextTick, onActivated, onBeforeMount, onBeforeUnmount, onBeforeUpdate, onDeactivated, onErrorCaptured, onMounted, onRenderTracked, onRenderTriggered, onScopeDispose, onUnmounted, onUpdated, patch, provide, proxyRefs, queuePostFlushCb, reactive, readonly, ref, resolveComponent, resolveDirective, resolveFilter, shallowReactive, shallowReadonly, shallowRef, stop, toHandlers, toRaw, toRef, toRefs, triggerRef, unref, useAttrs, useSSRContext, useSlots, version, warn$1 as warn, watch, watchEffect, watchPostEffect, watchSyncEffect, withAsyncContext, withCtx, withDefaults, withDirectives, withModifiers, withScopeId };
+export { EffectScope, Fragment, ReactiveEffect, Text, callWithAsyncErrorHandling, callWithErrorHandling, computed, createVNode$1 as createVNode, createVueApp, customRef, defineComponent, defineEmits, defineExpose, defineProps, effect, effectScope, getCurrentInstance, getCurrentScope, inject, injectHook, isInSSRComponentSetup, isProxy, isReactive, isReadonly, isRef, logError, markRaw, mergeDefaults, mergeProps, nextTick, onActivated, onBeforeMount, onBeforeUnmount, onBeforeUpdate, onDeactivated, onErrorCaptured, onMounted, onRenderTracked, onRenderTriggered, onScopeDispose, onUnmounted, onUpdated, patch, provide, proxyRefs, queuePostFlushCb, reactive, readonly, ref, resolveComponent, resolveDirective, resolveFilter, setCurrentRenderingInstance, shallowReactive, shallowReadonly, shallowRef, stop, toHandlers, toRaw, toRef, toRefs, triggerRef, unref, useAttrs, useSSRContext, useSlots, version, warn$1 as warn, watch, watchEffect, watchPostEffect, watchSyncEffect, withAsyncContext, withCtx, withDefaults, withDirectives, withModifiers, withScopeId };

packages/uni-mp-vue/src/helpers/withScopedSlot.ts

 import type { ComponentInternalInstance } from 'vue'
 //@ts-ignore
-import { patch, getCurrentInstance } from 'vue'
+import { patch, getCurrentInstance, setCurrentRenderingInstance } from 'vue'
 
 export interface ScopedSlotInvokers {
   [vueId: string]: ScopedSlotInvoker
@@ -36,8 +36,8 @@ export function withScopedSlot(
     vueId: string
   }
 ) {
-  fn.path = path
   const instance = getCurrentInstance() as ComponentInternalInstance
+  fn.path = path
   const scopedSlots = ((instance as any).$ssi ||
     (((instance as any).$ssi as ScopedSlotInvokers) = {})) as ScopedSlotInvokers
   const invoker =
@@ -67,7 +67,10 @@ function createScopedSlotInvoker(instance: ComponentInternalInstance) {
       // 循环第一个 slot 时，重置 data
       slot.data = {}
     }
+    // 确保当前 slot 的上下文，类似 withCtx
+    const prevInstance = setCurrentRenderingInstance(instance)
     slot.data[key] = slot.fn(args, key, slotName + (hasKey ? '-' + key : ''))
+    setCurrentRenderingInstance(prevInstance)
     // TODO 简单的 forceUpdate,理论上，可以仅对 scoped slot 部分数据 diff 更新
     instance.proxy!.$forceUpdate()
   }