62 lines
1.8 KiB
JavaScript
62 lines
1.8 KiB
JavaScript
import https from "https";
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import pkg from "../../../../package.json" with { type: "json" };
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const NPM_PACKAGE_NAME = "9router";
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const VERSION_CACHE_TTL_MS = 3600000; // cache npm latest lookup for 1h
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// Survive hot reload; one cache per process
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const versionCache = (global.__npmVersionCache ??= { value: null, fetchedAt: 0 });
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// Fetch latest version from npm registry
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function fetchLatestVersion() {
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return new Promise((resolve) => {
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const req = https.get(
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`https://registry.npmjs.org/${NPM_PACKAGE_NAME}/latest`,
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{ timeout: 4000 },
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(res) => {
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let data = "";
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res.on("data", (chunk) => (data += chunk));
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res.on("end", () => {
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try {
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resolve(JSON.parse(data).version || null);
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} catch {
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resolve(null);
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}
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});
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}
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);
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req.on("error", () => resolve(null));
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req.on("timeout", () => { req.destroy(); resolve(null); });
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});
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}
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function compareVersions(a, b) {
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const pa = a.split(".").map(Number);
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const pb = b.split(".").map(Number);
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for (let i = 0; i < 3; i++) {
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if (pa[i] > pb[i]) return 1;
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if (pa[i] < pb[i]) return -1;
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}
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return 0;
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}
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async function getLatestVersionCached() {
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if (versionCache.value && Date.now() - versionCache.fetchedAt < VERSION_CACHE_TTL_MS) {
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return versionCache.value;
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}
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const latest = await fetchLatestVersion();
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if (latest) {
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versionCache.value = latest;
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versionCache.fetchedAt = Date.now();
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}
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return latest;
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}
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export async function GET() {
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const latestVersion = await getLatestVersionCached();
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const currentVersion = pkg.version;
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const hasUpdate = latestVersion ? compareVersions(latestVersion, currentVersion) > 0 : false;
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return Response.json({ currentVersion, latestVersion, hasUpdate });
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}
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