🚑 Fix build error

src/cdn/downloadWrapper.ts

@@ -6,7 +6,7 @@ import checkLocalCache from './funcs/checkLocalCache';
 import createDirRecursively from './funcs/createDirRecursively';
 
 /** Downloads the given URL and saves it to disk. Returns the location where file is saved under. Throws error if download fails. */
-export default async function downloadWrapper({ host, path, size, useCurl = false }: {host: string, path: string, size: number, useCurl: boolean}): string {
+export default async function downloadWrapper({ host, path, size, useCurl = false }: {host: string, path: string, size: number, useCurl: boolean}): Promise<string> {
   //Generate file name we want to save it under
   //e.g. on Linux: /tmp/patcher/patch/assets_swtor_main/assets_swtor_main_-1to0/assets_swtor_main_-1to0.zip
   const tempFileName = nodePath.join(os.tmpdir(), 'patcher', host, path);
@@ -23,12 +23,14 @@ export default async function downloadWrapper({ host, path, size, useCurl = fals
 
   //Download either via curl or natively with Node
   if (useCurl) {
-    await new Promise((resolve, reject) => {
+    const downloadResult = await new Promise((resolve, reject) => {
       downloadWithCurl({ host, path, tempFileName, size, resolve, reject });
-    });
+    }) as string;
+    return downloadResult;
   } else {
-    await new Promise((resolve, reject) => {
+    const downloadResult = await new Promise((resolve, reject) => {
       downloadUrlContents(host, path, tempFileName, resolve, reject);
-    });
+    }) as string;
+    return downloadResult;
   }
 }