fix: abort file tree fetches on compare timeout

Author: taskylizard

server/api/registry/compare/[...pkg].get.ts

@@ -91,8 +91,8 @@ export default defineCachedEventHandler(
       try {
         // Fetch file trees and package.json for both versions in parallel
         const [fromTree, toTree, fromPkg, toPkg] = await Promise.all([
-          getPackageFileTree(packageName, fromVersion),
-          getPackageFileTree(packageName, toVersion),
+          getPackageFileTree(packageName, fromVersion, controller.signal),
+          getPackageFileTree(packageName, toVersion, controller.signal),
           fetchPackageJson(packageName, fromVersion, controller.signal),
           fetchPackageJson(packageName, toVersion, controller.signal),
         ])

server/utils/file-tree.ts

@@ -12,9 +12,10 @@ import type {
 export async function fetchFileTree(
   packageName: string,
   version: string,
+  signal?: AbortSignal,
 ): Promise<JsDelivrPackageResponse> {
   const url = `https://data.jsdelivr.com/v1/packages/npm/${packageName}@${version}`
-  const response = await fetch(url)
+  const response = await fetch(url, { signal })
 
   if (!response.ok) {
     if (response.status === 404) {
@@ -74,8 +75,9 @@ export function convertToFileTree(
 export async function getPackageFileTree(
   packageName: string,
   version: string,
+  signal?: AbortSignal,
 ): Promise<PackageFileTreeResponse> {
-  const jsDelivrData = await fetchFileTree(packageName, version)
+  const jsDelivrData = await fetchFileTree(packageName, version, signal)
   const tree = convertToFileTree(jsDelivrData.files)
 
   return {