是的，Vue 可以與Web Components 交互，並且可以將Vue 組件導(dǎo)出為自定義元素。 1. Vue 將Web Components 視為常規(guī)HTML 元素，無需特殊處理即可直接在模板中使用；2. 使用defineCustomElement 方法可將Vue 組件編譯為獨立的自定義元素，便於跨框架或非Vue 項目中復(fù)用；3. 默認僅支持通過屬性傳遞原始數(shù)據(jù)類型，複雜數(shù)據(jù)需序列化或使用JavaScript 屬性；4. 樣式需單獨處理，Vue 不默認編譯至Shadow DOM；5. 實際使用時需注意事件命名、構(gòu)建工具配置及數(shù)據(jù)傳遞方式，以確保兼容性和正確性。

Yes, Vue can interact with Web Components, and more importantly, Vue components can be exported as custom elements . This makes it possible to use Vue components in non-Vue projects or even alongside other frameworks.

Here's how all of that works and what you need to know to make it happen.

How Vue interacts with Web Components

Vue treats Web Components just like regular HTML elements. Since Web Components are part of the native browser APIs, Vue doesn't need any special handling for them — they're just custom HTML tags.

For example, if you have a Web Component called <my-button></my-button> , you can drop it directly into a Vue template:

 <template>
  <div>
    <my-button @click="doSomething">Click me</my-button>
  </div>
</template>

You don't need to register <my-button> in Vue like a normal component. Events and attributes work as expected, though sometimes you might need to be careful with things like passing complex data via properties (more on that below).

One gotcha: Vue automatically camelCase props to kebab-case when passing them to native elements. But if your Web Component expects a property (not an attribute), you may need to use .sync modifiers or $listeners to handle updates properly.

Exporting Vue components as Web Components (Custom Elements)

Vue provides a way to compile your components into standalone custom elements using the defineCustomElement method from vue .

This is especially useful if you want to reuse Vue components outside of a Vue app — say, in a plain HTML page or inside another framework.

Here's a basic example:

 import { defineCustomElement } from 'vue'

const MyComponent = defineCustomElement({
  name: 'MyComponent',
  props: ['title'],
  template: `
    <div class="my-component">
      <h1>{{ title }}</h1>
    </div>
  `
})

customElements.define(&#39;my-component&#39;, MyComponent)

Once defined, you can use it anywhere like this:

 <my-component title="Hello Vue CE"></my-component>

Key notes:

• You can only pass primitive values (strings, numbers, booleans) through attributes by default.
• For complex data types (like objects or arrays), you'll need to serialize/deserialize them or use JavaScript properties instead of attributes.
• Styling needs to be handled separately unless you include CSS inside the component or globally.

Tips for working with Vue and Web Components together

Here are a few practical tips to avoid common issues:

• Passing data: Use attributes for primitives, and consider dispatching events for richer interactions.
• Styling encapsulation: Web Components support shadow DOM, but Vue does not compile styles into shadow roots by default. If you're building custom elements with Vue, you'll likely rely on global or scoped styles.
• Event handling: Make sure to use the correct event names. Vue uses kebab-case in templates but emits events in camelCase internally.
• Build tools: When exporting Vue components as custom elements, you'll typically need to adjust your build setup (eg, Vite or Webpack) to handle the compilation correctly.

Final thoughts

Using Web Components in Vue is straightforward, and exporting Vue components as custom elements is totally doable — and quite handy for reusability across different environments.

It's not overly complicated, but there are a few edge cases around data types and styling that you should keep in mind. Once those are handled, integrating Vue with Web Components becomes a solid option for modular, cross-framework development.

基本上就這些。

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