@angular/build
Version:
Official build system for Angular
44 lines • 2.07 kB
JavaScript
;
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.dev/license
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.patchBaseMiddleware = patchBaseMiddleware;
const url_1 = require("../../../utils/url");
/**
* Patches the Vite base middleware to correctly handle the Angular application's base href.
* This is necessary because Vite's default base middleware might not align with Angular's
* expected path handling when using SSR, especially when a base href is configured.
*
* @param middlewares The Connect server instance containing the middleware stack.
* @param base The base URL path to be handled by the middleware.
*/
function patchBaseMiddleware(middlewares, base) {
const entry = middlewares.stack.find(({ handle }) => typeof handle === 'function' && handle.name.startsWith('viteBaseMiddleware'));
if (typeof entry?.handle !== 'function') {
return;
}
entry.handle = function angularBaseMiddleware(req, res, next) {
const url = req.url || '/';
if (url.startsWith(base)) {
// Rewrite the URL to remove the base prefix before passing it to the next middleware.
// If the URL is exactly the base, it becomes '/'.
// Otherwise, we slice off the base and ensure there's a leading slash.
// See: https://github.com/vitejs/vite/blob/e81c183f8c8ccaf7774ef0d0ee125bf63dbf30b4/packages/vite/src/node/server/middlewares/base.ts#L12
req.url = url === base ? '/' : (0, url_1.addLeadingSlash)(url.slice(base.length - 1));
return next();
}
const { pathname, hash, search } = new URL(url, 'http://localhost');
if (pathname === '/' || pathname === '/index.html') {
res.writeHead(302, { Location: `${base}${search}${hash}` });
res.end();
return;
}
next();
};
}
//# sourceMappingURL=base-middleware.js.map