77 lines
2.8 KiB
Plaintext
77 lines
2.8 KiB
Plaintext
import fs from "node:fs";
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import { fileURLToPath } from "node:url";
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import { notFoundTemplate, subpathNotUsedTemplate } from "../../template/4xx.js";
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import { cleanUrl } from "../../vite-plugin-utils/index.js";
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import { stripBase } from "./util.js";
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const HAS_FILE_EXTENSION_REGEXP = /^.*\.[^\\]+$/;
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function vitePluginAstroPreview(settings) {
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const { base, outDir, trailingSlash } = settings.config;
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return {
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name: "astro:preview",
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apply: "serve",
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configurePreviewServer(server) {
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server.middlewares.use((req, res, next) => {
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if (!req.url.startsWith(base)) {
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res.statusCode = 404;
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res.end(subpathNotUsedTemplate(base, req.url));
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return;
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}
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const pathname = cleanUrl(stripBase(req.url, base));
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const isRoot = pathname === "/";
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if (!isRoot) {
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const hasTrailingSlash = pathname.endsWith("/");
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if (hasTrailingSlash && trailingSlash == "never") {
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res.statusCode = 404;
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res.end(notFoundTemplate(pathname, 'Not Found (trailingSlash is set to "never")'));
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return;
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}
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if (!hasTrailingSlash && trailingSlash == "always" && !HAS_FILE_EXTENSION_REGEXP.test(pathname)) {
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res.statusCode = 404;
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res.end(notFoundTemplate(pathname, 'Not Found (trailingSlash is set to "always")'));
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return;
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}
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}
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next();
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});
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return () => {
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server.middlewares.use((req, res, next) => {
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const pathname = cleanUrl(req.url);
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if (pathname.endsWith("/")) {
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const pathnameWithoutSlash = pathname.slice(0, -1);
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const htmlPath = fileURLToPath(outDir + pathnameWithoutSlash + ".html");
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if (fs.existsSync(htmlPath)) {
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req.url = pathnameWithoutSlash + ".html";
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return next();
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}
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} else {
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const htmlPath = fileURLToPath(outDir + pathname + "/index.html");
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if (fs.existsSync(htmlPath)) {
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req.url = pathname + "/index.html";
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return next();
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}
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}
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next();
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});
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for (const middleware of server.middlewares.stack) {
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if (middleware.handle.name === "vite404Middleware") {
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middleware.handle = (req, res) => {
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const errorPagePath = fileURLToPath(outDir + "/404.html");
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if (fs.existsSync(errorPagePath)) {
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res.statusCode = 404;
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res.setHeader("Content-Type", "text/html;charset=utf-8");
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res.end(fs.readFileSync(errorPagePath));
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} else {
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res.statusCode = 404;
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res.end(notFoundTemplate(req.url, "Not Found"));
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}
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};
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}
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}
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};
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}
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};
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}
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export {
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vitePluginAstroPreview
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};
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