Tips for properly formatting functional Vue components?

Below is a functional component that functions as intended.

<template functional>
    <div>
        <input />
    </div>
</template>

<script>
export default {
    name: "FunctionalComponent"
}
</script>

<style scoped>
input {
    border: 2px solid red;
}
</style>

Despite its functionality, it seems that Vue may have issues with scoped styles. In the vue devtools, an AnonymousComponent appears during rendering and errors are displayed in the console. Removing the style tag resolves these issues.

Is this expected behavior or am I doing something incorrectly?

https://i.stack.imgur.com/kQI69.png https://i.stack.imgur.com/LMOrS.png

Answer №1

This particular issue is caused by a bug in vue-devtools.

To avoid the error (at least for version 5.1.1), you will need to change the component so that it is not functional.

A problem report has been filed here: https://github.com/vuejs/vue-devtools/issues/1067

Answer №2

It seems like the issue may not be related to scoped styles after all. My suspicion is that your "export default" components are missing their own names. Instead, you are assigning them names in the importing file. You could try removing the name element from your component. (I am also experiencing difficulty reproducing the error. I did not encounter any errors in the console when I switched to that frame in codesandbox.)

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