astro.ts — astro Source File

Source Code

import { posix } from 'node:path';
import type {
	AstroConfig,
	HookParameters,
	IntegrationResolvedRoute,
	ValidRedirectStatus,
} from 'astro';
import { type HostRouteDefinition, HostRoutes } from './host-route.js';

const pathJoin = posix.join;

function getRedirectStatus(route: IntegrationResolvedRoute): ValidRedirectStatus {
	if (typeof route.redirect === 'object') {
		return route.redirect.status;
	}
	return 301;
}

interface CreateRedirectsFromAstroRoutesParams {
	config: Pick<AstroConfig, 'build' | 'output' | 'base'>;
	/**
	 * Maps a `RouteData` to a dynamic target
	 */
	routeToDynamicTargetMap: Map<IntegrationResolvedRoute, string>;
	dir: URL;
	buildOutput: 'static' | 'server';
	assets: HookParameters<'astro:build:done'>['assets'];
}

/**
 * Takes a set of routes and creates a Redirects object from them.
 */
export function createRedirectsFromAstroRoutes({
	config,
	routeToDynamicTargetMap,
	dir,
	buildOutput,
	assets,
}: CreateRedirectsFromAstroRoutesParams): HostRoutes {
	const base =
		config.base && config.base !== '/'
			? config.base.endsWith('/')
				? config.base.slice(0, -1)
				: config.base
			: '';
	const redirects = new HostRoutes();

	for (const [route, dynamicTarget = ''] of routeToDynamicTargetMap) {
		const distURL = assets?.get(route.pattern);
		// A route with a `pathname` is as static route.
		if (route.pathname) {
			if (route.redirect) {
				// A redirect route without dynamic parts. Get the redirect status
				// from the user if provided.
				redirects.add({
					dynamic: false,
					input: `${base}${route.pathname}`,
					target: typeof route.redirect === 'object' ? route.redirect.destination : route.redirect,
					status: getRedirectStatus(route),
					weight: 2,
// ... (143 more lines)