feat(app.use): 补充参数为 null 示例及测试

components/CompForAppUse.uvue

@@ -5,7 +5,8 @@
     <text class="uni-common-mt plugin2">plugin2: {{ plugin2 }}</text>
     <text class="uni-common-mt plugin3">plugin3: {{ plugin3 }}</text>
     <text class="uni-common-mt plugin4">plugin4: {{ plugin4 }}</text>
-    <CompForPlugin />
+    <CompForPlugin1 />
+    <CompForPlugin2 />
   </view>
 </template>
 

main.uts

@@ -269,7 +269,13 @@ export function createApp() {
   app.use(plugin4)
   app.use(function (app: VueApp, componentName: string, componentInstance: CreateVueComponent) {
     app.component(componentName, componentInstance)
-  }, 'CompForPlugin', CompForPlugin)
+  }, 'CompForPlugin1', CompForPlugin)
+
+  app.use({
+    install(app: VueApp, a: string | null, b: string | null) {
+      app.component('CompForPlugin2', CompForPlugin as CreateVueComponent)
+    }
+  }, null, null)
 
   app.config.globalProperties.globalPropertiesStr = 'default string'
   app.config.globalProperties.globalPropertiesNum = 0

pages/app-instance/use/use.test.js

@@ -24,9 +24,11 @@ describe('app-instance', () => {
       'plugin4: 通过 definePlugin + 函数方式创建的 plugin'
     )
 
-    const compForPluginEl = await page.$('.component-for-plugin')
-    const compForPluginText = await compForPluginEl.text()
-    expect(compForPluginText).toBe('component for plugin')
+    const compForPluginEls = await page.$$('.component-for-plugin')
+    const compForPlugin1Text = await compForPluginEls[0].text()
+    expect(compForPlugin1Text).toBe('component for plugin')
+    const compForPlugin2Text = await compForPluginEls[1].text()
+    expect(compForPlugin2Text).toBe('component for plugin')
   }
   
   it('app.use options API', async () => {