wehub-resource-sync
91 lines
2.5 KiB
JavaScript
91 lines
2.5 KiB
JavaScript
import { readdirSync, writeFileSync } from "fs";
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import { resolve, relative } from "path";
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const OUT_DIR = resolve(import.meta.dirname, "../out");
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const SITE_URL = "https://dbxio.com";
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const TODAY = new Date().toISOString().split("T")[0];
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const EXCLUDE = new Set(["index.html", "404.html", "_not-found.html"]);
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function* walkDir(dir) {
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const entries = readdirSync(dir, { withFileTypes: true });
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for (const entry of entries) {
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const fullPath = resolve(dir, entry.name);
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if (entry.isDirectory()) {
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yield* walkDir(fullPath);
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} else if (entry.isFile() && entry.name.endsWith(".html")) {
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yield fullPath;
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}
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}
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}
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function pathToUrl(filePath) {
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const rel = relative(OUT_DIR, filePath);
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return "/" + rel.replace(/\.html$/, "").replace(/\\/g, "/");
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}
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const htmlFiles = [...walkDir(OUT_DIR)].filter((f) => {
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const basename = f.split("/").pop() ?? "";
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return !EXCLUDE.has(basename);
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});
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const pagesByPath = new Map();
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for (const file of htmlFiles) {
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const url = pathToUrl(file);
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const match = url.match(/^\/(en|cn)(\/.*)?$/);
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if (!match) {
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pagesByPath.set(url, { en: null, cn: null });
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continue;
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}
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const relativePath = match[2] || "/";
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if (!pagesByPath.has(relativePath)) {
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pagesByPath.set(relativePath, { en: null, cn: null });
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}
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const entry = pagesByPath.get(relativePath);
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entry[match[1]] = url;
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pagesByPath.set(relativePath, entry);
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}
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const urls = [];
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const seen = new Set();
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for (const [, langs] of pagesByPath) {
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const primary = langs.en || langs.cn;
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if (!primary || seen.has(primary)) continue;
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seen.add(primary);
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const altLinks = [];
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if (langs.en) {
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altLinks.push({ lang: "en", href: `${SITE_URL}${langs.en}` });
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}
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if (langs.cn) {
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altLinks.push({ lang: "zh", href: `${SITE_URL}${langs.cn}` });
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}
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if (altLinks.length > 1) {
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altLinks.push({ lang: "x-default", href: `${SITE_URL}${langs.en}` });
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}
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urls.push({ loc: `${SITE_URL}${primary}`, lastmod: TODAY, altLinks });
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}
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const sitemapXml = `<?xml version="1.0" encoding="UTF-8"?>
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<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
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xmlns:xhtml="http://www.w3.org/1999/xhtml">
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${urls
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.map(
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(entry) =>
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` <url>
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<loc>${entry.loc}</loc>
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<lastmod>${entry.lastmod}</lastmod>
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${entry.altLinks.map((alt) => ` <xhtml:link rel="alternate" hreflang="${alt.lang}" href="${alt.href}" />`).join("\n")}
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</url>`,
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)
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.join("\n")}
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</urlset>
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`;
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writeFileSync(resolve(OUT_DIR, "sitemap.xml"), sitemapXml);
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console.log(`sitemap.xml generated with ${urls.length} URLs`);
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