feat: added anime extraction util methods

src/utils/methods.ts

@@ -176,3 +176,28 @@ export const extractMostPopularAnimes = (
     );
   }
 };
+
+export function retrieveServerId(
+  $: CheerioAPI,
+  index: number,
+  category: "sub" | "dub"
+) {
+  return (
+    $(`.ps_-block.ps_-block-sub.servers-${category} > .ps__-list .server-item`)
+      ?.map((_, el) =>
+        $(el).attr("data-server-id") == `${index}` ? $(el) : null
+      )
+      ?.get()[0]
+      ?.attr("data-id") || null
+  );
+}
+
+export function substringAfter(str: string, toFind: string) {
+  const index = str.indexOf(toFind);
+  return index == -1 ? "" : str.substring(index + toFind.length);
+}
+
+export function substringBefore(str: string, toFind: string) {
+  const index = str.indexOf(toFind);
+  return index == -1 ? "" : str.substring(0, index);
+}