refactor: Modify lambda functions to match Netlify instructions (#1110)

Author: rschristian

netlify.toml

@@ -34,8 +34,8 @@ export async function prerender() {
 		globalThis.DOMParser = DOMParser;
 
 		// fetch latest release data
-		const { handler } = await import('./lambda/release.js');
-		const { version, url } = JSON.parse((await handler()).body);
+		const { default: releaseLambda } = await import('./lambda/release.js');
+		const { version, url } = await (await releaseLambda()).json();
 		globalThis.prerenderPreactVersion = version;
 		globalThis.prerenderPreactReleaseUrl = url;
 

src/index.jsx

@@ -1,20 +1,20 @@
-export const handler = async event => {
-	const { version, url } = await fetchRelease(
-		`preactjs/${event?.queryStringParameters.repo || 'preact'}`
-	);
+/*
+ * @param {Request} [req]
+ * @param {unknown} [_context]
+ */
+export default async function releaseLambda(req, _context) {
+	const repo = req?.url ? new URL(req.url).searchParams.get('repo') : 'preact';
+
+	const { version, url } = await fetchRelease(`preactjs/${repo}`);
 
-	return {
-		statusCode: 200,
-		body: JSON.stringify({
-			version,
-			url
-		}),
+	return new Response(JSON.stringify({ version, url }), {
+		status: 200,
 		headers: {
 			'Content-Type': 'application/json',
 			'Cache-Control': 'public, max-age=3600, stale-if-error=86400'
 		}
-	};
-};
+	});
+}
 
 function checkStatus(r) {
 	if (!r.ok) {

src/lambda/release.js

@@ -1,16 +1,22 @@
-export const handler = async event => {
-	const result = await repoInfo(
-		event.queryStringParameters.repo || 'preactjs/preact'
-	);
-	return {
-		statusCode: 200,
-		body: JSON.stringify(result),
+/**
+ * @param {Request} [req]
+ * @param {unknown} [_context]
+ */
+export default async function repoLambda(req, _context) {
+	const repo = req?.url
+		? new URL(req.url).searchParams.get('repo')
+		: 'preactjs/preact';
+
+	const result = await repoInfo(repo);
+
+	return new Response(JSON.stringify(result), {
+		status: 200,
 		headers: {
 			'Content-Type': 'application/json',
 			'Cache-Control': 'public, max-age=3600, stale-if-error=86400'
 		}
-	};
-};
+	});
+}
 
 function checkStatus(r) {
 	if (!r.ok) {