functional programming

index.ts

@@ -14,24 +14,22 @@ async function getPatchHrefs() {
 
   let patchHrefs: string[] = [];
 
-  for (let i = 0; i <= 7; i++) {
-    const req = await fetch(getGalleryPageHref(i));
-    const data = parse(await req.text());
+  [...Array(7).keys()]
+    .map((val) => ++val)
+    .map(async (page) => {
+      const req = await fetch(getGalleryPageHref(page));
+      const data = parse(await req.text());
 
-    const gallery = data
-      .getElementsByTagName("div")
-      .filter((el) => el.classList.contains("hds-gallery-items"))
-      .shift();
+      const gallery = data
+        .getElementsByTagName("div")
+        .filter((el) => el.classList.contains("hds-gallery-items"))
+        .shift();
 
-    const links = gallery
-      ?.getElementsByTagName("a")
-      .map((el) => el.getAttribute("href"))
-      .filter((el) => el) as string[];
-
-    patchHrefs.push.apply(patchHrefs, links);
-  }
-
-  return patchHrefs;
+      return gallery
+        ?.getElementsByTagName("a")
+        .map((el) => el.getAttribute("href"))
+        .filter((el) => el) as string[];
+    });
 }
 
 const allPatches = await getPatchHrefs();