astro/dist/vite-plugin-static-paths/index.js

Astro is a modern site builder with web best practices, performance, and DX front-of-mind.

import { ASTRO_VITE_ENVIRONMENT_NAMES } from "../core/constants.js";
const ASTRO_STATIC_PATHS_MODULE_ID = "astro:static-paths";
const ASTRO_STATIC_PATHS_RESOLVED_ID = "\0" + ASTRO_STATIC_PATHS_MODULE_ID;
/**
* Virtual module that exposes StaticPaths class for prerendering.
* This allows adapters to use StaticPaths from their runtime (e.g., workerd)
* to collect all prerenderable paths.
*
* Only works in the 'prerender' environment - returns no-op in other environments.
*/
export default function vitePluginStaticPaths() {
	return {
		name: "astro:static-paths",
		enforce: "pre",
		resolveId: {
			filter: { id: new RegExp(`^${ASTRO_STATIC_PATHS_MODULE_ID}$`) },
			handler() {
				return ASTRO_STATIC_PATHS_RESOLVED_ID;
			}
		},
		load: {
			filter: { id: new RegExp(`^${ASTRO_STATIC_PATHS_RESOLVED_ID}$`) },
			handler() {
				// Only provide real implementation in prerender environment
				if (this.environment?.name !== ASTRO_VITE_ENVIRONMENT_NAMES.prerender) {
					return { code: `export class StaticPaths { async getAll() { return []; } }` };
				}
				// Re-export StaticPaths class from runtime module
				return { code: `export { StaticPaths } from 'astro/runtime/prerender/static-paths.js';` };
			}
		}
	};
}