Refactor to use ES2024+ features for Node 24

Use Set for O(1) redirect status code lookup in fetch.ts

Use at(-1) and Object.hasOwn() in tools.ts

Use for...of with entries() in utils.ts

src/fetch.ts

@@ -1,3 +1,8 @@
+/**
+ * Redirect status codes set for O(1) lookup
+ */
+const REDIRECT_CODES = new Set([301, 302, 303, 307, 308]);
+
 /**
  * Function to fetch a URL using native fetch API (Node 24+)
  *
@@ -26,10 +31,7 @@ export async function fetch(
     if (response.ok) {
       const data = await response.text();
       return {data};
-    } else if (
-      [301, 302, 303, 307, 308].includes(response.status) &&
-      redirect_count <= 0
-    ) {
+    } else if (REDIRECT_CODES.has(response.status) && redirect_count <= 0) {
       return {error: `${response.status}: Redirect error`};
     } else {
       return {error: `${response.status}: ${response.statusText}`};

src/tools.ts

@@ -140,7 +140,7 @@ export async function filterList(tools_list: string[]): Promise<string[]> {
     case matches[0] == undefined:
       break;
     default:
-      composer = matches[matches.length - 1].replace(/v(\d\S*)/, '$1');
+      composer = matches.at(-1)!.replace(/v(\d\S*)/, '$1');
       break;
   }
   tools_list.unshift(composer);
@@ -488,7 +488,7 @@ export async function getData(
   const tool = parts[0];
   const version = parts[1];
   let data: RS;
-  if (Object.keys(json_objects).includes(tool)) {
+  if (Object.hasOwn(json_objects, tool)) {
     data = json_objects[tool];
     data['tool'] = tool;
   } else {

src/utils.ts

@@ -97,9 +97,8 @@ export async function parseIniFile(ini_file: string): Promise<string> {
 }
 
 /**
- * Async foreach loop
+ * Async foreach loop using modern for...of pattern
  *
- * @author https://github.com/Atinux
  * @param array
  * @param callback
  */
@@ -111,8 +110,8 @@ export async function asyncForEach(
     array: Array<string>
   ) => Promise<void>
 ): Promise<void> {
-  for (let index = 0; index < array.length; index++) {
-    await callback(array[index], index, array);
+  for (const [index, element] of array.entries()) {
+    await callback(element, index, array);
   }
 }