Snippet Type — svelte Architecture

Source Code

packages/svelte/types/index.d.ts lines 285–295

	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;
	}