fix: shallow config issue

src/config.ts

@@ -3,7 +3,7 @@ import { GlobalMountOptions } from './types'
 import { VueWrapper } from './vueWrapper'
 import { DOMWrapper } from './domWrapper'
 
-interface GlobalConfigOptions {
+export interface GlobalConfigOptions {
   global: Required<GlobalMountOptions>
   plugins: {
     VueWrapper: Pluggable<VueWrapper<ComponentPublicInstance>>

src/mount.ts

@@ -319,8 +319,7 @@ export function mount(
     ...options?.props,
     ref: MOUNT_COMPONENT_REF
   })
-
-  const global = mergeGlobalProperties(config.global, options?.global)
+  const global = mergeGlobalProperties(options?.global)
   component.components = { ...component.components, ...global.components }
 
   // create the wrapper component
@@ -412,10 +411,7 @@ export function mount(
   // stubs
   // even if we are using `mount`, we will still
   // stub out Transition and Transition Group by default.
-  stubComponents(
-    global.stubs,
-    global.renderStubDefaultSlot ? false : options?.shallow
-  )
+  stubComponents(global.stubs, options?.shallow, global?.renderStubDefaultSlot)
 
   // users expect stubs to work with globally registered
   // components, too, such as <router-link> and <router-view>
@@ -427,7 +423,11 @@ export function mount(
   if (global?.stubs) {
     for (const [name, stub] of Object.entries(global.stubs)) {
       if (stub === true) {
-        const stubbed = createStub({ name, props: {} })
+        const stubbed = createStub({
+          name,
+          props: {},
+          renderStubDefaultSlot: global?.renderStubDefaultSlot
+        })
         // default stub.
         app.component(name, stubbed)
       } else {

src/stubs.ts

@@ -12,30 +12,27 @@ import {
 } from 'vue'
 import { hyphenate } from './utils/vueShared'
 import { MOUNT_COMPONENT_REF, MOUNT_PARENT_NAME } from './constants'
-import { config } from './config'
 import { matchName } from './utils/matchName'
 import { ComponentInternalInstance } from '@vue/runtime-core'
 
 interface StubOptions {
   name: string
   props?: any
   propsDeclaration?: any
-}
-
-function getSlots(ctx: ComponentPublicInstance): Slots | undefined {
-  return !config.renderStubDefaultSlot ? undefined : ctx.$slots
+  renderStubDefaultSlot?: boolean
 }
 
 export const createStub = ({
   name,
   props,
-  propsDeclaration
+  propsDeclaration,
+  renderStubDefaultSlot
 }: StubOptions): ComponentOptions => {
   const anonName = 'anonymous-stub'
   const tag = name ? `${hyphenate(name)}-stub` : anonName
 
   const render = (ctx: ComponentPublicInstance) => {
-    return h(tag, props, getSlots(ctx))
+    return h(tag, props, renderStubDefaultSlot ? ctx.$slots : undefined)
   }
 
   return defineComponent({
@@ -112,7 +109,8 @@ const isFunctionalComponent = (type: VNodeTypes): type is ComponentOptions =>
 
 export function stubComponents(
   stubs: Record<any, any> = {},
-  shallow: boolean = false
+  shallow: boolean = false,
+  renderStubDefaultSlot: boolean = false
 ) {
   transformVNodeArgs((args, instance: ComponentInternalInstance | null) => {
     const [nodeType, props, children, patchFlag, dynamicProps] = args
@@ -161,7 +159,7 @@ export function stubComponents(
 
       // No name found?
       if (!registeredName && !componentName) {
-        return shallow ? ['stub'] : args
+        return renderStubDefaultSlot || !shallow ? args : ['stub']
       }
 
       let stub = null
@@ -199,7 +197,12 @@ export function stubComponents(
         }
 
         const propsDeclaration = type?.props || {}
-        const newStub = createStub({ name, propsDeclaration, props })
+        const newStub = createStub({
+          name,
+          propsDeclaration,
+          props,
+          renderStubDefaultSlot
+        })
         stubs[name] = newStub
         return [newStub, props, children, patchFlag, dynamicProps]
       }

src/utils.ts

@@ -1,5 +1,6 @@
 import { GlobalMountOptions } from './types'
 import { AppConfig } from 'vue'
+import { config } from './config'
 
 function mergeStubs(target: Record<string, any>, source: GlobalMountOptions) {
   if (source.stubs) {
@@ -14,14 +15,18 @@ function mergeStubs(target: Record<string, any>, source: GlobalMountOptions) {
 }
 
 export function mergeGlobalProperties(
-  configGlobal: GlobalMountOptions = {},
   mountGlobal: GlobalMountOptions = {}
 ): Required<GlobalMountOptions> {
   const stubs: Record<string, any> = {}
-
+  const configGlobal: GlobalMountOptions = config?.global ?? {}
   mergeStubs(stubs, configGlobal)
   mergeStubs(stubs, mountGlobal)
 
+  const renderStubDefaultSlot =
+    mountGlobal.renderStubDefaultSlot ??
+    config?.renderStubDefaultSlot ??
+    configGlobal?.renderStubDefaultSlot
+
   return {
     mixins: [...(configGlobal.mixins || []), ...(mountGlobal.mixins || [])],
     plugins: [...(configGlobal.plugins || []), ...(mountGlobal.plugins || [])],
@@ -31,9 +36,7 @@ export function mergeGlobalProperties(
     mocks: { ...configGlobal.mocks, ...mountGlobal.mocks },
     config: { ...configGlobal.config, ...mountGlobal.config },
     directives: { ...configGlobal.directives, ...mountGlobal.directives },
-    renderStubDefaultSlot: !!(mountGlobal.renderStubDefaultSlot !== undefined
-      ? mountGlobal.renderStubDefaultSlot
-      : configGlobal.renderStubDefaultSlot)
+    renderStubDefaultSlot
   }
 }
 

tests/mountingOptions/global.components.spec.ts

@@ -1,4 +1,5 @@
 import { mount } from '../../src'
+import { defineComponent } from 'vue'
 
 describe('global.components', () => {
   it('registers a component to all components', () => {
@@ -70,4 +71,29 @@ describe('global.components', () => {
     spy.mockRestore()
     expect(wrapper.text()).toBe('Global')
   })
+  it('render children with shallow and renderStubDefaultSlot', () => {
+    const Child = defineComponent({
+      template: '<div><p>child</p><slot /></div>'
+    })
+    const Component = defineComponent({
+      template: '<div><Child><div>hello</div></Child></div>',
+      components: {
+        Child
+      }
+    })
+    const wrapper = mount(Component, {
+      shallow: true,
+      global: {
+        renderStubDefaultSlot: true
+      }
+    })
+
+    expect(wrapper.html()).toEqual(
+      '<div>\n' +
+        '  <child-stub>\n' +
+        '    <div>hello</div>\n' +
+        '  </child-stub>\n' +
+        '</div>'
+    )
+  })
 })