Can you point me to the source of definition for Vue 2's ComponentDefinition and ComponentConstructor types?

I am struggling to add a dynamic Vue 2 component with correct typing in TypeScript. The documentation clearly mentions that the is attribute accepts values of type

string | ComponentDefinition | ComponentConstructor
, but I cannot locate these custom types anywhere. My IDE is flagging errors related to these types, indicating they should be defined somewhere (possibly through a language plugin rather than in the codebase). I have searched extensively within my node_modules, as well as in the Vue and DefinitelyTyped repositories. Where can I find the definitions for these types?

Here are relevant sections from my Single File Component:

<ItemComponent
    v-for="(item, index) in myItems"
    :key="`${item.name}-${index}`"
>
    <component :is="item.icon"></component>
</ItemComponent>
import {Component, Vue} from 'vue-property-decorator';
import IconCreditCard from '...';
import IconGiftCard from '...';

interface IItem {
    name: string;
    icon: string | unknown; // this is the type causing confusion
};

@Component({
    components: {
        IconCreditCard,
        IconGiftCard,
        ...
    }
})
export default class MyComponent extends Vue {
    myItems: Array<IItem> = [
        {
            name: 'Gift Card',
            icon: IconGiftCard,
        },
        {
            name: 'Credit Card',
            icon: IconCreditCard,
        },
    ];

Answer №1

The documentation for Vue is not derived from TypeScript types; instead, it utilizes pseudo-types.

Within Vue, there exists a Component type that points to a specific Vue component and corresponds to the

ComponentDefinition | ComponentConstructor
section.

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