moved rankHelpers to utils

packages/backend/src/lib/rankHelpers.ts

@@ -1,3 +1,5 @@
+import { computeRank as computeRankUtil, computeRankCap } from '@metafam/utils';
+
 import { PlayerRank_Enum } from './autogen/hasura-sdk';
 
 export const RANKS = [
@@ -6,27 +8,18 @@ export const RANKS = [
   PlayerRank_Enum.Gold,
   PlayerRank_Enum.Silver,
   PlayerRank_Enum.Bronze,
-]
+];
 
 export const PLAYERS_PER_RANK = [7, 7, 7, 14, 21];
 
-// A summation of PLAYERS_PER_RANK.
-// This is the first index for which players will NOT be ranked, e.g.
-// the 56th player will be Bronze, and the 57th player will not be ranked.
-export const RANKED_CAP: number = PLAYERS_PER_RANK.reduce((sum, rankCount) => {
-  return sum + rankCount;
-}, 0);
+export const RANKED_CAP = computeRankCap(PLAYERS_PER_RANK);
 
 // Computes the rank for the given index. This would be the index corresponding
 // to all players ordered by total_xp DESC.
 export function computeRank(totalRankIndex: number): PlayerRank_Enum | null {
-  if (totalRankIndex >= RANKED_CAP) return null;
-  let indexSum = 0;
-  for (let i = 0; i < PLAYERS_PER_RANK.length; i++) {
-    indexSum += PLAYERS_PER_RANK[i];
-    if (totalRankIndex < indexSum) {
-      return RANKS[i];
-    }
-  }
-  return null;
+  return computeRankUtil(
+    totalRankIndex,
+    PLAYERS_PER_RANK,
+    RANKS,
+  ) as PlayerRank_Enum | null;
 }

packages/utils/src/index.ts

@@ -4,3 +4,4 @@ export * as did from './did';
 export * as DiscordUtil from './discordHelpers';
 export * as numbers from './numbers';
 export * from './promiseHelpers';
+export * from './rankHelpers';

packages/utils/src/rankHelpers.ts

@@ -1,12 +1,12 @@
 // A summation of usersPerRank
 // This is the first index for which users will NOT be ranked
-const computeRankCap = (usersPerRank: Array<number>) =>
+export const computeRankCap = (usersPerRank: Array<number>) =>
   usersPerRank.reduce((sum, rankCount) => {
     return sum + rankCount;
   }, 0);
 
 // Computes the rank for the given index. This would be the index corresponding
-// to all players ordered by total_xp DESC.
+// to all users ordered by total_xp DESC.
 export function computeRank(
   rankIndex: number,
   usersPerRank: Array<number>,

packages/web/components/Patron/PatronTile.tsx

@@ -12,6 +12,7 @@ import {
   Wrap,
   WrapItem,
 } from '@metafam/ds';
+import { computeRank } from '@metafam/utils';
 import { MetaLink } from 'components/Link';
 import { PlayerContacts } from 'components/Player/PlayerContacts';
 import { PlayerTileMemberships } from 'components/Player/PlayerTileMemberships';
@@ -29,7 +30,6 @@ import {
   getPlayerImage,
   getPlayerName,
 } from 'utils/playerHelpers';
-import { computeRank } from 'utils/rankHelpers';
 
 const PATRON_RANKS = [
   PlayerRank_Enum.Diamond,