SvelteOptions Type — svelte Architecture

Source Code

packages/svelte/types/index.d.ts lines 1224–1255

		export interface SvelteOptions {
			// start/end info (needed for warnings and for our Prettier plugin)
			start: number;
			end: number;
			// options
			runes?: boolean;
			immutable?: boolean;
			accessors?: boolean;
			preserveWhitespace?: boolean;
			namespace?: Namespace;
			css?: 'injected';
			customElement?: {
				tag?: string;
				shadow?: 'open' | 'none' | ObjectExpression | undefined;
				props?: Record<
					string,
					{
						attribute?: string;
						reflect?: boolean;
						type?: 'Array' | 'Boolean' | 'Number' | 'Object' | 'String';
					}
				>;
				/**
				 * Is of type
				 * ```ts
				 * (ceClass: new () => HTMLElement) => new () => HTMLElement
				 * ```
				 */
				extend?: ArrowFunctionExpression | Identifier;
			};
			attributes: Attribute[];
		}