Snippet Type — svelte Architecture

Source Code

packages/svelte/src/index.d.ts lines 286–296

export interface Snippet<Parameters extends unknown[] = []> {
	(
		this: void,
		// this conditional allows tuples but not arrays. Arrays would indicate a
		// rest parameter type, which is not supported. If rest parameters are added
		// in the future, the condition can be removed.
		...args: number extends Parameters['length'] ? never : Parameters
	): {
		'{@render ...} must be called with a Snippet': "import type { Snippet } from 'svelte'";
	} & typeof SnippetReturn;
}