errors

Author: JRoy

src/index.ts

@@ -13,6 +13,12 @@ export default {
 	}
 };
 
+class GitHubApiError extends Error {
+	constructor(public status: number) {
+		super(`GitHub API error: ${status}`);
+	}
+}
+
 async function ghFetch(url: string, env: Env): Promise<any> {
 	const res = await fetch(url, {
 		headers: {
@@ -23,7 +29,7 @@ async function ghFetch(url: string, env: Env): Promise<any> {
 		}
 	});
 	if (!res.ok) {
-		return new Response(`GitHub API error: ${res.status}`, { status: 502 });
+		throw new GitHubApiError(res.status);
 	}
 	return res.json();
 }
@@ -33,7 +39,15 @@ function apiBase(env: Env) {
 }
 
 async function handleList(env: Env) {
-	const deliveries = await ghFetch(`${apiBase(env)}/deliveries?per_page=20`, env);
+	let deliveries;
+	try {
+		deliveries = await ghFetch(`${apiBase(env)}/deliveries?per_page=20`, env);
+	} catch (e) {
+		if (e instanceof GitHubApiError) {
+			return new Response(`GitHub API error: ${e.status}`, { status: 502 });
+		}
+		throw e;
+	}
 
 
 	const rows = deliveries.map((d: any) => `
@@ -67,7 +81,15 @@ async function handleList(env: Env) {
 }
 
 async function handleSingleDelivery(id: string, env: Env) {
-	const delivery = await ghFetch(`${apiBase(env)}/deliveries/${id}`, env);
+	let delivery;
+	try {
+		delivery = await ghFetch(`${apiBase(env)}/deliveries/${id}`, env);
+	} catch (e) {
+		if (e instanceof GitHubApiError) {
+			return new Response(`GitHub API error: ${e.status}`, { status: 502 });
+		}
+		throw e;
+	}
 
 	return new Response(JSON.stringify(delivery, null, 2), {
 		headers: { 'Content-Type': 'application/json; charset=utf-8' }