chore: tidy up comments in subname-helpers

src/lib/subname-helpers.ts

@@ -1,17 +1,19 @@
 import { bytesToPacket } from "@ensdomains/ensjs/utils";
 import { type Hex, concat, keccak256, namehash, toHex } from "viem";
 
-// TODO: pull from ens utils lib or something
+// NOTE: most of these utils could/should be pulled in from some (future) ens helper lib, as they
+// implement standard and reusable logic for typescript ens libs bu aren't necessarily implemented
+// or exposed by ensjs or viem
+
 export const ROOT_NODE = namehash("");
 export const ETH_NODE = namehash("eth");
 
-// TODO: this should probably be a part of some ens util lib but isn't exposed by viem or ensjs
 export const makeSubnodeNamehash = (node: Hex, label: Hex) => keccak256(concat([node, label]));
 
 // converts uint256-encoded nodes to hex
 export const tokenIdToLabel = (tokenId: bigint) => toHex(tokenId, { size: 32 });
 
-// TODO: this should be part of some more standard ens helper lib
+// TODO: this should be standardized via helper lib
 // https://github.com/ensdomains/ens-subgraph/blob/master/src/utils.ts#L68
 const INVALID_CHARACTER_CODES_IN_LABEL = new Set([0, 46, 91, 93]);
 export const isLabelValid = (name: string) => {
@@ -24,14 +26,14 @@ export const isLabelValid = (name: string) => {
   return true;
 };
 
-// TODO: this should be part of some more standard ens helper lib
+// TODO: this should be standardized via helper lib
 // https://github.com/ensdomains/ens-subgraph/blob/master/src/nameWrapper.ts#L61C1-L65C2
 const PARENT_CANNOT_CONTROL = 65536;
 export const checkPccBurned = (fuses: number) =>
   (fuses & PARENT_CANNOT_CONTROL) == PARENT_CANNOT_CONTROL;
 
+// TODO: this should be standardized via helper lib
 // this is basically just ensjs#bytesToPacket w/ custom validity check
-// TODO: this should be part of some more standard ens helper lib
 // https://github.com/ensdomains/ens-subgraph/blob/master/src/nameWrapper.ts#L30
 export function decodeDNSPacketBytes(buf: Uint8Array): [string | null, string | null] {
   if (buf.length === 0) return ["", "."];