Implementing CSS loading in Vue 3's shadow DOM for nested components

I'm currently working on building an embeddable widget using a custom element with Vue. In order to achieve this, I've created a file called Widget.ce.vue and enabled style loading in the component's shadow root.

However, I've run into an issue where only the styles from the component itself are being loaded, rather than styles from the components used within it.

Is there a possible solution that would allow me to load styles from all nested components within the shadow root? Or do I need to individually register each component as a custom element?

If you have any insight or suggestions, please feel free to share them. You can view my project on codesandbox at the following link: https://codesandbox.io/s/bold-moore-yu30i8

cssvue.jsvuejs3custom-elementvue3-sfc-loader

Answer №1

Experiment with registering a payment component as a custom element:

import pay from "./components/PaymentBtn.ce.vue";
window.customElements.define("payment-btn", defineCustomElement(pay));

In the Widget.ce.vue component, avoid importing it and simply render it as a custom element.

<payment-btn label="Pay"></payment-btn>

Haven't tested this method with Vue-CLI, but it is functioning properly with Vite.

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