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chanced/component-types.ts

Created October 4, 2021 05:25
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Couple of utility types for extracting svelte constructor options & svelte component props
Raw
component-types.ts
export type SvelteComponentConstructorOptions<T> = T extends abstract new (
opts: Svelte2TsxComponentConstructorParameters<infer P>,
) => any
? Svelte2TsxComponentConstructorParameters<P>
: never;
export type SvelteComponentProps<T> = T extends abstract new (
opts: Svelte2TsxComponentConstructorParameters<infer P>,
) => any
? Svelte2TsxComponentConstructorParameters<P>["props"]
: never;
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chanced commented Oct 4, 2021

Usage:

import MyComponent from "./MyComponent.svelte"
type MyComponentProps = SvelteComponentProps<typeof MyComponent>

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