rewrite.ts — astro Source File

Source Code

import type { RewritePayload } from '../../types/public/common.js';
import type { AstroConfig } from '../../types/public/config.js';
import type { RouteData } from '../../types/public/internal.js';
import { shouldAppendForwardSlash } from '../build/util.js';
import { originPathnameSymbol } from '../constants.js';
import { AstroError, AstroErrorData } from '../errors/index.js';
import type { Logger } from '../logger/core.js';
import {
	appendForwardSlash,
	joinPaths,
	prependForwardSlash,
	removeTrailingForwardSlash,
	trimSlashes,
} from '../path.js';
import { createRequest } from '../request.js';
import { DEFAULT_404_ROUTE } from './astro-designed-error-pages.js';

type FindRouteToRewrite = {
	payload: RewritePayload;
	routes: RouteData[];
	request: Request;
	trailingSlash: AstroConfig['trailingSlash'];
	buildFormat: AstroConfig['build']['format'];
	base: AstroConfig['base'];
	outDir: URL | string;
};

interface FindRouteToRewriteResult {
	routeData: RouteData;
	newUrl: URL;
	pathname: string;
}

/**
 * Shared logic to retrieve the rewritten route. It returns a tuple that represents:
 * 1. The new `Request` object. It contains `base`
 * 2.
 */
export function findRouteToRewrite({
	payload,
	routes,
	request,
	trailingSlash,
	buildFormat,
	base,
	outDir,
}: FindRouteToRewrite): FindRouteToRewriteResult {
	let newUrl: URL | undefined = undefined;
	if (payload instanceof URL) {
		newUrl = payload;
	} else if (payload instanceof Request) {
		newUrl = new URL(payload.url);
	} else {
		newUrl = new URL(payload, new URL(request.url).origin);
	}

	let pathname = newUrl.pathname;
	const shouldAppendSlash = shouldAppendForwardSlash(trailingSlash, buildFormat);

	// Special handling for base path
// ... (166 more lines)