Importing specific modules in ES6 when defining an asynchronous component

I am looking to asynchronously load certain elements of my web app:

Here is the original import code:

import {Popover, PopoverButton, PopoverPanel} from '@headlessui/vue'

export default {
    components: {
        Popover,
        PopoverButton,
        PopoverPanel,
    },
...

Now, I want to achieve this:

import {defineAsyncComponent} from "vue";

export default {
    components: {
        Popover: defineAsyncComponent(() =>
            import( {Popover} from "@headlessui/vue" ) // This does not work as I get the error " ')' expected"
        ),
        ...
    },
...

Do you have any suggestions on how to resolve this issue?

Answer №1

When it comes to importing modules in JavaScript, there are two main ways to do it: static import and dynamic import(). Static import is a statement that should only be used at the top of a module, while dynamic import() is an expression that follows JavaScript syntax for expressions.

The import() function returns a promise of module exports. Here's an example of how it can be used:

Popover: defineAsyncComponent(async () => {
 return (await import("@headlessui/vue")).Popover;
})

If you're using dynamic imports and want to enable tree shaking, you'll need to annotate the code for your bundler, such as Webpack.

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