use native fetch and refactored list creation

lib/constants.js

@@ -0,0 +1,25 @@
+import { isDev } from "./utils.js";
+
+if (isDev()) {
+  const dotenv = await import("dotenv");
+
+  dotenv.config();
+}
+
+export const API_TOKEN = process.env.CLOUDFLARE_API_KEY;
+
+export const ACCOUNT_ID = process.env.CLOUDFLARE_ACCOUNT_ID;
+
+export const ACCOUNT_EMAIL = process.env.CLOUDFLARE_ACCOUNT_EMAIL;
+
+export const LIST_ITEM_LIMIT = isNaN(process.env.CLOUDFLARE_LIST_ITEM_LIMIT)
+  ? 300000
+  : parseInt(process.env.CLOUDFLARE_LIST_ITEM_LIMIT, 10);
+
+export const LIST_ITEM_SIZE = 1000;
+
+export const API_HOST = "https://api.cloudflare.com/client/v4";
+
+export const DRY_RUN = !!parseInt(process.env.DRY_RUN, 10);
+
+export const FAST_MODE = !!parseInt(process.env.FAST_MODE, 10);