cleanup: make scripts more lightweight

I’ve managed to make both of the scripts to require just one package. I’ve also updated the feed generator script to follow the new config of the feed package 1.1.0. And other small improvments, that were mentioned by the Deno Lint

scripts/combine.ts

@@ -1,4 +1,3 @@
-import { walk } from "jsr:@std/fs";
 import { parse } from "jsr:@std/yaml";
 
 interface Stack {
@@ -31,27 +30,28 @@ async function parseYamlFile(filePath: string): Promise<unknown> {
   return parse(fileContent);
 }
 
-async function collectData<T>(
+async function collectData<T, D>(
   dir: string,
-  transform: (data: all) => T,
+  transform: (data: D) => T,
 ): Promise<T[]> {
   const items: T[] = [];
 
-  for await (
-    const entry of walk(dir, {
-      exts: [".yaml", ".yml"],
-      includeDirs: false,
-    })
-  ) {
-    const data = await parseYamlFile(entry.path);
-    items.push(transform(data));
+  for await (const entry of Deno.readDir(dir)) {
+    // Only process files with .yaml or .yml extensions
+    if (
+      entry.isFile &&
+      (entry.name.endsWith(".yaml") || entry.name.endsWith(".yml"))
+    ) {
+      const data = await parseYamlFile(`${dir}/${entry.name}`) as D;
+      items.push(transform(data));
+    }
   }
 
   return items;
 }
 
 function collectStacks(stacksDir: string): Promise<Stack[]> {
-  return collectData(stacksDir, (data) => ({
+  return collectData<Stack, Stack>(stacksDir, (data) => ({
     name: data.name,
     base: data.base,
     packages: data.packages,
@@ -61,7 +61,7 @@ function collectStacks(stacksDir: string): Promise<Stack[]> {
 }
 
 function collectPkgManagers(pkgManagersDir: string): Promise<PkgManager[]> {
-  return collectData(pkgManagersDir, (data) => ({
+  return collectData<PkgManager, PkgManager>(pkgManagersDir, (data) => ({
     name: data.name,
     model: data.model,
     needsudo: data.needsudo,

scripts/feed.ts

@@ -1,5 +1,4 @@
 import { Atom } from "jsr:@feed/feed";
-import { dirname, join } from "jsr:@std/path";
 
 interface Stack {
   name: string;
@@ -31,10 +30,8 @@ interface UpdateData {
   pkgManagers?: pkgManager[];
 }
 
-const __dirname = dirname(new URL(import.meta.url).pathname);
-
 const data: UpdateData = JSON.parse(
-  await Deno.readTextFile(join(__dirname, "../_index.json")),
+  await Deno.readTextFile(new URL("../_index.json", import.meta.url).pathname),
 );
 
 const feed = new Atom({
@@ -44,7 +41,6 @@ const feed = new Atom({
   id: "https://apx.vanillaos.org/",
   link: "https://apx.vanillaos.org/",
   language: "en",
-  updated: new Date(),
   feedLinks: {
     atom: "https://apx-community.vanillaos.org/feed.xml",
   },
@@ -108,6 +104,9 @@ pkgManagers.forEach((pkgManager: pkgManager) => {
   });
 });
 
-await Deno.writeTextFile(join(__dirname, "../feed.xml"), feed.build());
+await Deno.writeTextFile(
+  new URL("../feed.xml", import.meta.url).pathname,
+  feed.build(),
+);
 
 console.log("Atom feed generated.");