feat: moved tankopedia and tankaverages into a runtime cache

scripts/build.js

@@ -1,5 +1,5 @@
 import { build } from 'esbuild';
-import { copyFile, mkdir, rm, writeFile } from 'fs/promises';
+import { copyFile, mkdir, rm } from 'fs/promises';
 import { argv } from 'process';
 
 const isProd = !argv.includes('--dev');
@@ -17,29 +17,6 @@ if (isProd) {
   await mkdir('dist');
   console.log('✅ Dist created');
 
-  console.log('🟡 Caching tankopedia...');
-  fetch('https://www.blitzstars.com/bs-tankopedia.json')
-    .then((response) => response.text())
-    .then((tankopedia) => writeFile('./dist/tankopedia.json', tankopedia))
-    .then(() => console.log('✅ Tankopedia cached'));
-
-  console.log('🟡 Caching tank averages...');
-  fetch('https://www.blitzstars.com/api/tankaverages.json')
-    .then((response) => response.json())
-    .then((individualTankAverages) => {
-      const tankAverages = {};
-
-      individualTankAverages.forEach((individualTankAverage) => {
-        tankAverages[individualTankAverage.tank_id] = individualTankAverage;
-      });
-
-      return writeFile(
-        './dist/tankaverages.json',
-        JSON.stringify(tankAverages),
-      );
-    })
-    .then(() => console.log('✅ Tank averages cached'));
-
   console.log('🟡 Copying package.json...');
   copyFile('package.dist.json', 'dist/package.json').then(() =>
     console.log('✅ package.json copied'),

src/commands/debug.ts

@@ -12,14 +12,14 @@ const executionStart = new Date().getTime();
 
 export const debugCommand: CommandRegistry = {
   inProduction: true,
-  inDevelopment: false,
+  inDevelopment: true,
   inPublic: true,
 
   command: new SlashCommandBuilder()
     .setName('debug')
     .setDescription('Debug information about the bot'),
 
-  handler(interaction) {
+  async handler(interaction) {
     const currentTime = new Date().getTime();
     const uptime = currentTime - executionStart;
 
@@ -37,8 +37,8 @@ export const debugCommand: CommandRegistry = {
             (uptime / 1000) % 60,
           )}s ${Math.floor(uptime % 1000)}ms`,
         ],
-        ['Tankopedia cached', `${tankopedia !== undefined}`],
-        ['Tank averages cached', `${tankAverages !== undefined}`],
+        ['Tankopedia cached', `${(await tankopedia) !== undefined}`],
+        ['Tank averages cached', `${(await tankAverages) !== undefined}`],
       ]),
     );
   },

src/commands/eligible.ts

@@ -15,6 +15,7 @@ import resolvePlayerFromCommand from '../core/discord/resolvePlayerFromCommand.j
 import { WARGAMING_APPLICATION_ID } from '../core/node/arguments.js';
 import { CommandRegistry } from '../events/interactionCreate/index.js';
 import { AccountInfo } from '../types/accountInfo.js';
+import { PossiblyPromise } from '../types/possiblyPromise.js';
 
 export type SkilledClan = 'SKLLD' | 'SMRI';
 
@@ -25,7 +26,7 @@ export const SKILLED_CLANS: Record<SkilledClan, string> = {
 
 export const eligibleCommand: CommandRegistry = {
   inProduction: true,
-  inDevelopment: false,
+  inDevelopment: true,
   inPublic: false,
 
   command: new SlashCommandBuilder()
@@ -67,41 +68,56 @@ export const eligibleCommand: CommandRegistry = {
       const entries = Object.entries(tankStatsOverTime);
       const stats = sumStats(entries.map(([, stats]) => stats));
       const averageTier =
-        entries.reduce((accumulator, [tankIdString, stats]) => {
-          const tankId = parseInt(tankIdString);
-          const tankTier = tankopedia[tankId].tier;
+        (await entries.reduce<PossiblyPromise<number>>(
+          async (accumulator, [tankIdString, stats]) => {
+            const tankId = parseInt(tankIdString);
+            const tankTier = (await tankopedia)[tankId].tier;
 
-          return accumulator + tankTier * stats.battles;
-        }, 0) / stats.battles;
+            return (await accumulator) + tankTier * stats.battles;
+          },
+          0,
+        )) / stats.battles;
       const WN8 =
-        entries.reduce((accumulator, [tankIdString, stats]) => {
-          const tankId = parseInt(tankIdString);
+        (await entries.reduce<PossiblyPromise<number>>(
+          async (accumulator, [tankIdString, stats]) => {
+            const tankId = parseInt(tankIdString);
 
-          // edge case where new tanks don't have averages
-          if (tankAverages[tankId]) {
-            const tankWN8 = calculateWN8(tankAverages[tankId].all, stats);
+            // edge case where new tanks don't have averages
+            if ((await tankAverages)[tankId]) {
+              const tankWN8 = calculateWN8(
+                (await tankAverages)[tankId].all,
+                stats,
+              );
 
-            if (isNaN(tankWN8)) return accumulator;
-            return accumulator + tankWN8 * stats.battles;
-          } else return accumulator;
-        }, 0) / stats.battles;
+              if (isNaN(tankWN8)) return accumulator;
+              return (await accumulator) + tankWN8 * stats.battles;
+            } else return accumulator;
+          },
+          0,
+        )) / stats.battles;
       const tier10Damage =
-        entries.reduce((accumulator, [tankIdString, stats]) => {
-          const tankId = parseInt(tankIdString);
+        (await entries.reduce<PossiblyPromise<number>>(
+          async (accumulator, [tankIdString, stats]) => {
+            const tankId = parseInt(tankIdString);
 
-          if (tankopedia[tankId]?.tier === 10) {
-            const tankStats = tankStatsOverTime[tankId];
-            return accumulator + tankStats.damage_dealt;
-          } else return accumulator;
-        }, 0) /
-        entries.reduce((accumulator, [tankIdString, stats]) => {
-          const tankId = parseInt(tankIdString);
+            if ((await tankopedia)[tankId]?.tier === 10) {
+              const tankStats = tankStatsOverTime[tankId];
+              return (await accumulator) + tankStats.damage_dealt;
+            } else return accumulator;
+          },
+          0,
+        )) /
+        (await entries.reduce<PossiblyPromise<number>>(
+          async (accumulator, [tankIdString, stats]) => {
+            const tankId = parseInt(tankIdString);
 
-          if (tankopedia[tankId]?.tier === 10) {
-            const tankStats = tankStatsOverTime[tankId];
-            return accumulator + tankStats.battles;
-          } else return accumulator;
-        }, 0);
+            if ((await tankopedia)[tankId]?.tier === 10) {
+              const tankStats = tankStatsOverTime[tankId];
+              return (await accumulator) + tankStats.battles;
+            } else return accumulator;
+          },
+          0,
+        ));
 
       if (stats.battles < 126) {
         problems.push(['Battles', `${stats.battles} (${stats.battles - 126})`]);

src/commands/evolution.tsx

@@ -36,7 +36,7 @@ export const evolutionCommand: CommandRegistry = {
     const player = await resolvePlayerFromCommand(interaction);
     const period = resolvePeriodFromCommand(interaction);
     const tankIdRaw = interaction.options.getString('tank')!;
-    const tankId = commandGroup === 'tank' ? resolveTankId(tankIdRaw) : null;
+    const tankId = commandGroup === 'tank' ? await resolveTankId(tankIdRaw) : null;
     const start = interaction.options.getInteger('start');
     const end = interaction.options.getInteger('end');
     const { nickname } = (

src/commands/help.ts

@@ -10,7 +10,7 @@ import {
 
 export const helpCommand: CommandRegistry = {
   inProduction: true,
-  inDevelopment: false,
+  inDevelopment: true,
   inPublic: true,
 
   command: new SlashCommandBuilder()

src/commands/inactive.tsx

@@ -18,7 +18,7 @@ const DEFAULT_THRESHOLD = 7;
 
 export const inactiveCommand: CommandRegistry = {
   inProduction: true,
-  inDevelopment: false,
+  inDevelopment: true,
   inPublic: true,
 
   command: new SlashCommandBuilder()

src/commands/ownedTanks.tsx

@@ -43,7 +43,7 @@ const COMP_TANKS = [
 
 export const ownedTanksCommand: CommandRegistry = {
   inProduction: true,
-  inDevelopment: false,
+  inDevelopment: true,
   inPublic: true,
 
   command: new SlashCommandBuilder()
@@ -77,9 +77,11 @@ export const ownedTanksCommand: CommandRegistry = {
       `https://api.wotblitz.${server}/wotb/account/info/?application_id=${WARGAMING_APPLICATION_ID}&account_id=${id}`,
     );
     const tankStats = await getTankStats(server, id);
-    const tanks = tankStats
-      .map((tankData) => tankopedia[tankData.tank_id])
-      .filter((tank) => tank?.tier === tier);
+    const tanks = (
+      await Promise.all(
+        tankStats.map(async (tankData) => (await tankopedia)[tankData.tank_id]),
+      )
+    ).filter((tank) => tank?.tier === tier);
     const clanData = await getWargamingResponse<PlayerClanData>(
       `https://api.wotblitz.${server}/wotb/clans/accountinfo/?application_id=${WARGAMING_APPLICATION_ID}&account_id=${id}&extra=clan`,
     );

src/commands/ping.ts

@@ -3,7 +3,7 @@ import { CommandRegistry } from '../events/interactionCreate/index.js';
 
 export const pingCommand: CommandRegistry<true> = {
   inProduction: true,
-  inDevelopment: false,
+  inDevelopment: true,
   inPublic: true,
   handlesInteraction: true,
 

src/commands/playerAchievements.ts

@@ -18,7 +18,7 @@ type SortBy = 'name' | 'count';
 
 export const playerAchievementsCommand: CommandRegistry = {
   inProduction: true,
-  inDevelopment: false,
+  inDevelopment: true,
   inPublic: true,
 
   command: new SlashCommandBuilder()

src/commands/playerInfo.ts

@@ -12,7 +12,7 @@ import { AccountInfo } from '../types/accountInfo.js';
 
 export const playerInfoCommand: CommandRegistry = {
   inProduction: true,
-  inDevelopment: false,
+  inDevelopment: true,
   inPublic: true,
 
   command: new SlashCommandBuilder()

src/commands/searchClans.ts

@@ -11,7 +11,7 @@ import { ClanList } from '../types/clanList.js';
 
 export const searchClansCommand: CommandRegistry = {
   inProduction: true,
-  inDevelopment: false,
+  inDevelopment: true,
   inPublic: true,
 
   command: new SlashCommandBuilder()

src/commands/searchPlayers.ts

@@ -12,7 +12,7 @@ import { AccountList } from '../types/accountList.js';
 
 export const searchPlayersCommand: CommandRegistry = {
   inProduction: true,
-  inDevelopment: false,
+  inDevelopment: true,
   inPublic: true,
 
   command: new SlashCommandBuilder()

src/commands/searchTanks.ts

@@ -8,7 +8,7 @@ import { CommandRegistry } from '../events/interactionCreate/index.js';
 
 export const searchTanksCommand: CommandRegistry = {
   inProduction: true,
-  inDevelopment: false,
+  inDevelopment: true,
   inPublic: true,
 
   command: new SlashCommandBuilder()

src/commands/stats.tsx

@@ -36,7 +36,8 @@ export const statsCommand: CommandRegistry = {
     const player = await resolvePlayerFromCommand(interaction);
     const period = resolvePeriodFromCommand(interaction);
     const tankIdRaw = interaction.options.getString('tank')!;
-    const tankId = commandGroup === 'tank' ? resolveTankId(tankIdRaw) : null;
+    const tankId =
+      commandGroup === 'tank' ? await resolveTankId(tankIdRaw) : null;
     const start = interaction.options.getInteger('start');
     const end = interaction.options.getInteger('end');
     const path = interactionToURL(interaction, {

src/commands/statsFull.tsx

@@ -19,7 +19,7 @@ import { AccountInfo } from '../types/accountInfo.js';
 
 export const statsFullCommand: CommandRegistry = {
   inProduction: true,
-  inDevelopment: false,
+  inDevelopment: true,
   inPublic: true,
 
   command: addStatTypeSubCommandGroups(
@@ -35,7 +35,8 @@ export const statsFullCommand: CommandRegistry = {
     const player = await resolvePlayerFromCommand(interaction);
     const period = resolvePeriodFromCommand(interaction);
     const tankIdRaw = interaction.options.getString('tank')!;
-    const tankId = commandGroup === 'tank' ? resolveTankId(tankIdRaw) : null;
+    const tankId =
+      commandGroup === 'tank' ? await resolveTankId(tankIdRaw) : null;
     const start = interaction.options.getInteger('start');
     const end = interaction.options.getInteger('end');
     const path = interactionToURL(interaction, {

src/commands/today.tsx

@@ -14,7 +14,7 @@ import { AccountInfo } from '../types/accountInfo.js';
 
 export const todayCommand: CommandRegistry = {
   inProduction: true,
-  inDevelopment: false,
+  inDevelopment: true,
   inPublic: true,
 
   command: new SlashCommandBuilder()

src/commands/verify.ts

@@ -14,7 +14,7 @@ import { PlayerClanData } from '../types/playerClanData.js';
 
 export const verifyCommand: CommandRegistry = {
   inProduction: true,
-  inDevelopment: false,
+  inDevelopment: true,
   inPublic: true,
 
   command: new SlashCommandBuilder()

src/core/blitz/resolveTankId.ts

@@ -2,7 +2,7 @@ import { go } from 'fuzzysort';
 import throwError from '../node/throwError.js';
 import { TANKS, tankopedia } from './tankopedia.js';
 
-export default function resolveTankId(tank: string) {
+export default async function resolveTankId(tank: string) {
   const number = parseInt(tank);
 
   if (Number.isNaN(number)) {
@@ -17,7 +17,7 @@ export default function resolveTankId(tank: string) {
       return searchResult[0].obj.tank_id;
     }
   } else {
-    if (tankopedia[number]) {
+    if ((await tankopedia)[number]) {
       return number;
     } else {
       throw throwError(

src/core/blitz/resolveTankName.ts

@@ -1,6 +1,6 @@
 import { tankopedia } from './tankopedia.js';
 
-export default function resolveTankName(tankId: number) {
-  const tankopediaName = tankopedia[tankId].name;
+export default async function resolveTankName(tankId: number) {
+  const tankopediaName = (await tankopedia)[tankId].name;
   return tankopediaName ? tankopediaName : `Unknown Tank ${tankId}`;
 }

src/core/blitz/tankopedia.ts

@@ -1,6 +1,3 @@
-import { readFileSync } from 'fs';
-import { join } from 'path';
-
 export type TankType = 'AT-SPG' | 'lightTank' | 'mediumTank' | 'heavyTank';
 
 export interface TankopediaEntry {
@@ -19,11 +16,13 @@ export interface Tankopedia {
   [id: number]: TankopediaEntry;
 }
 
-export const tankopedia = (
-  JSON.parse(
-    readFileSync(join(__dirname, 'tankopedia.json')) as unknown as string,
-  ) as { data: Tankopedia }
-).data;
+console.log('Caching tankopedia...');
+export const tankopedia = fetch('https://www.blitzstars.com/bs-tankopedia.json')
+  .then((response) => response.json())
+  .then((wrapperTankopedia) => {
+    console.log('Tankopedia cached');
+    return (wrapperTankopedia as { data: Tankopedia }).data;
+  });
 const entries = Object.entries(tankopedia);
 export const TANK_IDS = entries.map(([, { tank_id }]) => tank_id as number);
 export const TANKS = entries.map(([, entry]) => entry as TankopediaEntry);

src/core/blitzstars/playerAverage.ts

@@ -3,7 +3,7 @@ import { emptyAllStats } from './getTankStatsDiffed.js';
 import { tankAverages } from './tankAverages.js';
 
 console.log('Calculating player average...');
-export const playerAverage = Object.entries(tankAverages).reduce(
+export const playerAverage = Object.entries(await tankAverages).reduce(
   (accumulator, [, tankAverage]) => {
     return sumStats([accumulator, tankAverage.all]);
   },

src/core/blitzstars/tankAverages.ts

@@ -1,5 +1,3 @@
-import { readFileSync } from 'fs';
-import { join } from 'path';
 import { AllStats } from '../../types/accountInfo.js';
 
 export interface SpecialStats {
@@ -82,6 +80,22 @@ export interface IndividualTankAverage {
 
 export type TankAverages = Record<number, IndividualTankAverage>;
 
-export const tankAverages = JSON.parse(
-  readFileSync(join(__dirname, 'tankaverages.json')) as unknown as string,
-) as TankAverages;
+console.log('Caching tank averages...');
+export const tankAverages = fetch(
+  'https://www.blitzstars.com/api/tankaverages.json',
+)
+  .then((response) => response.json())
+  .then((individualTankAverages) => {
+    const partialTankAverages: TankAverages = {};
+
+    (individualTankAverages as IndividualTankAverage[]).forEach(
+      (individualTankAverage) => {
+        partialTankAverages[individualTankAverage.tank_id] =
+          individualTankAverage;
+      },
+    );
+
+    console.log('Tank averages cached');
+
+    return partialTankAverages;
+  });

src/core/discord/autocompleteTanks.ts

@@ -15,14 +15,16 @@ export default async function autocompleteTanks(
 
   await interaction.respond(
     focusedOption.value
-      ? go(focusedOption.value, TANKS, { keys: ['name'], limit: 10 }).map(
-          (item) =>
-            ({
-              name: item.obj.name
-                ? item.obj.name
-                : resolveTankName(item.obj.tank_id),
-              value: `${item.obj.tank_id}`,
-            } satisfies ApplicationCommandOptionChoiceData<string>),
+      ? await Promise.all(
+          go(focusedOption.value, TANKS, { keys: ['name'], limit: 10 }).map(
+            async (item) =>
+              ({
+                name: item.obj.name
+                  ? item.obj.name
+                  : await resolveTankName(item.obj.tank_id),
+                value: `${item.obj.tank_id}`,
+              } satisfies ApplicationCommandOptionChoiceData<string>),
+          ),
         )
       : [],
   );

src/renderers/evolution.tsx

@@ -38,8 +38,8 @@ export default async function evolution<Type extends StatType>(
       ? `https://wotblitz-gc.gcdn.co/icons/clanEmblems1x/clan-icon-v2-${clan.emblem_set_id}.png`
       : undefined;
   } else {
-    nameDiscriminator = `(${resolveTankName(tankId!)})`;
-    image = tankopedia[tankId!].images.normal;
+    nameDiscriminator = `(${await resolveTankName(tankId!)})`;
+    image = (await tankopedia)[tankId!].images.normal;
   }
 
   let histories: Histories;

src/renderers/stats.tsx

@@ -22,6 +22,7 @@ import {
   SupplementaryStats,
 } from '../types/accountInfo.js';
 import { PlayerClanData } from '../types/playerClanData.js';
+import { PossiblyPromise } from '../types/possiblyPromise.js';
 
 export type StatType = 'player' | 'tank';
 
@@ -47,8 +48,8 @@ export default async function stats<Type extends StatType>(
       ? `https://wotblitz-gc.gcdn.co/icons/clanEmblems1x/clan-icon-v2-${clan.emblem_set_id}.png`
       : undefined;
   } else if (type === 'tank') {
-    nameDiscriminator = `(${resolveTankName(tankId!)})`;
-    image = tankopedia[tankId!].images.normal;
+    nameDiscriminator = `(${await resolveTankName(tankId!)})`;
+    image = (await tankopedia)[tankId!].images.normal;
   }
 
   const tankStats = await getTankStatsDiffed(server, id, start, end);
@@ -59,54 +60,61 @@ export default async function stats<Type extends StatType>(
   if (type === 'player') {
     const entries = Object.entries(tankStats);
     stats = sumStats(entries.map(([, stats]) => stats));
-    const battlesOfTanksWithAverages = entries.reduce(
-      (accumulator, [tankIdString, stats]) => {
-        const tankId = parseInt(tankIdString);
-        const tankAverage = tankAverages[tankId];
+    const battlesOfTanksWithAverages = await entries.reduce<
+      PossiblyPromise<number>
+    >(async (accumulator, [tankIdString, stats]) => {
+      const tankId = parseInt(tankIdString);
+      const tankAverage = (await tankAverages)[tankId];
 
-        return tankAverage ? accumulator + stats.battles : accumulator;
-      },
-      0,
-    );
-    const battlesOfTanksWithTankopediaEntry = entries.reduce(
-      (accumulator, [tankIdString, stats]) => {
-        const tankId = parseInt(tankIdString);
-        const tankopediaEntry = tankopedia[tankId];
+      return tankAverage ? (await accumulator) + stats.battles : accumulator;
+    }, 0);
+    const battlesOfTanksWithTankopediaEntry = await entries.reduce<
+      PossiblyPromise<number>
+    >(async (accumulator, [tankIdString, stats]) => {
+      const tankId = parseInt(tankIdString);
+      const tankopediaEntry = (await tankopedia)[tankId];
 
-        return tankopediaEntry ? accumulator + stats.battles : accumulator;
-      },
-      0,
-    );
+      return tankopediaEntry
+        ? (await accumulator) + stats.battles
+        : accumulator;
+    }, 0);
 
     supplementaryStats = {
       WN8:
-        entries.reduce((accumulator, [tankIdString, stats]) => {
-          const tankId = parseInt(tankIdString);
-          const tankAverage = tankAverages[tankId];
+        (await entries.reduce<PossiblyPromise<number>>(
+          async (accumulator, [tankIdString, stats]) => {
+            const tankId = parseInt(tankIdString);
+            const tankAverage = (await tankAverages)[tankId];
 
-          return tankAverage
-            ? accumulator + calculateWN8(tankAverage.all, stats) * stats.battles
-            : accumulator;
-        }, 0) / battlesOfTanksWithAverages,
+            return tankAverage
+              ? (await accumulator) +
+                  calculateWN8(tankAverage.all, stats) * stats.battles
+              : accumulator;
+          },
+          0,
+        )) / battlesOfTanksWithAverages,
       tier:
-        entries.reduce((accumulator, [tankIdString, stats]) => {
-          const tankId = parseInt(tankIdString);
-          const tankopediaEntry = tankopedia[tankId];
+        (await entries.reduce<PossiblyPromise<number>>(
+          async (accumulator, [tankIdString, stats]) => {
+            const tankId = parseInt(tankIdString);
+            const tankopediaEntry = (await tankopedia)[tankId];
 
-          return tankopediaEntry
-            ? accumulator + tankopediaEntry.tier * stats.battles
-            : accumulator;
-        }, 0) / battlesOfTanksWithTankopediaEntry,
+            return tankopediaEntry
+              ? (await accumulator) + tankopediaEntry.tier * stats.battles
+              : accumulator;
+          },
+          0,
+        )) / battlesOfTanksWithTankopediaEntry,
     };
-    tierWeights = entries.reduce<TierWeightsRecord>(
-      (accumulator, [tankIdString, stats]) => {
+    tierWeights = await entries.reduce<PossiblyPromise<TierWeightsRecord>>(
+      async (accumulator, [tankIdString, stats]) => {
         const tankId = parseInt(tankIdString);
-        const tier = tankopedia[tankId].tier as Tier;
+        const tier = (await tankopedia)[tankId].tier as Tier;
 
-        if (accumulator[tier]) {
-          accumulator[tier]! += stats.battles;
+        if ((await accumulator)[tier]) {
+          (await accumulator)[tier]! += stats.battles;
         } else {
-          accumulator[tier] = stats.battles;
+          (await accumulator)[tier] = stats.battles;
         }
 
         return accumulator;
@@ -118,9 +126,9 @@ export default async function stats<Type extends StatType>(
 
     supplementaryStats = {
       WN8: stats
-        ? calculateWN8(tankAverages[tankId!].all, tankStats[tankId!])
+        ? calculateWN8((await tankAverages)[tankId!].all, tankStats[tankId!])
         : undefined,
-      tier: tankopedia[tankId!].tier,
+      tier: (await tankopedia)[tankId!].tier,
     };
   }
 

src/renderers/statsfull.tsx

@@ -21,6 +21,7 @@ import {
   SupplementaryStats,
 } from '../types/accountInfo.js';
 import { PlayerClanData } from '../types/playerClanData.js';
+import { PossiblyPromise } from '../types/possiblyPromise.js';
 
 export type StatType = 'player' | 'tank';
 
@@ -45,8 +46,8 @@ export default async function statsfull<Type extends StatType>(
       ? `https://wotblitz-gc.gcdn.co/icons/clanEmblems1x/clan-icon-v2-${clan.emblem_set_id}.png`
       : undefined;
   } else if (type === 'tank') {
-    nameDiscriminator = `(${resolveTankName(tankId!)})`;
-    image = tankopedia[tankId!].images.normal;
+    nameDiscriminator = `(${await resolveTankName(tankId!)})`;
+    image = (await tankopedia)[tankId!].images.normal;
   }
 
   const tankStats = await getTankStatsDiffed(server, id, start, end);
@@ -57,54 +58,61 @@ export default async function statsfull<Type extends StatType>(
   if (type === 'player') {
     const entries = Object.entries(tankStats);
     stats = sumStats(entries.map(([, stats]) => stats));
-    const battlesOfTanksWithAverages = entries.reduce(
-      (accumulator, [tankIdString, stats]) => {
-        const tankId = parseInt(tankIdString);
-        const tankAverage = tankAverages[tankId];
+    const battlesOfTanksWithAverages = await entries.reduce<
+      PossiblyPromise<number>
+    >(async (accumulator, [tankIdString, stats]) => {
+      const tankId = parseInt(tankIdString);
+      const tankAverage = (await tankAverages)[tankId];
 
-        return tankAverage ? accumulator + stats.battles : accumulator;
-      },
-      0,
-    );
-    const battlesOfTanksWithTankopediaEntry = entries.reduce(
-      (accumulator, [tankIdString, stats]) => {
-        const tankId = parseInt(tankIdString);
-        const tankopediaEntry = tankopedia[tankId];
+      return tankAverage ? (await accumulator) + stats.battles : accumulator;
+    }, 0);
+    const battlesOfTanksWithTankopediaEntry = await entries.reduce<
+      PossiblyPromise<number>
+    >(async (accumulator, [tankIdString, stats]) => {
+      const tankId = parseInt(tankIdString);
+      const tankopediaEntry = (await tankopedia)[tankId];
 
-        return tankopediaEntry ? accumulator + stats.battles : accumulator;
-      },
-      0,
-    );
+      return tankopediaEntry
+        ? (await accumulator) + stats.battles
+        : accumulator;
+    }, 0);
 
     supplementaryStats = {
       WN8:
-        entries.reduce((accumulator, [tankIdString, stats]) => {
-          const tankId = parseInt(tankIdString);
-          const tankAverage = tankAverages[tankId];
+        (await entries.reduce<PossiblyPromise<number>>(
+          async (accumulator, [tankIdString, stats]) => {
+            const tankId = parseInt(tankIdString);
+            const tankAverage = (await tankAverages)[tankId];
 
-          return tankAverage
-            ? accumulator + calculateWN8(tankAverage.all, stats) * stats.battles
-            : accumulator;
-        }, 0) / battlesOfTanksWithAverages,
+            return tankAverage
+              ? (await accumulator) +
+                  calculateWN8(tankAverage.all, stats) * stats.battles
+              : accumulator;
+          },
+          0,
+        )) / battlesOfTanksWithAverages,
       tier:
-        entries.reduce((accumulator, [tankIdString, stats]) => {
-          const tankId = parseInt(tankIdString);
-          const tankopediaEntry = tankopedia[tankId];
+        (await entries.reduce<PossiblyPromise<number>>(
+          async (accumulator, [tankIdString, stats]) => {
+            const tankId = parseInt(tankIdString);
+            const tankopediaEntry = (await tankopedia)[tankId];
 
-          return tankopediaEntry
-            ? accumulator + tankopediaEntry.tier * stats.battles
-            : accumulator;
-        }, 0) / battlesOfTanksWithTankopediaEntry,
+            return tankopediaEntry
+              ? (await accumulator) + tankopediaEntry.tier * stats.battles
+              : accumulator;
+          },
+          0,
+        )) / battlesOfTanksWithTankopediaEntry,
     };
-    tierWeights = entries.reduce<TierWeightsRecord>(
-      (accumulator, [tankIdString, stats]) => {
+    tierWeights = await entries.reduce<PossiblyPromise<TierWeightsRecord>>(
+      async (accumulator, [tankIdString, stats]) => {
         const tankId = parseInt(tankIdString);
-        const tier = tankopedia[tankId].tier as Tier;
+        const tier = (await tankopedia)[tankId].tier as Tier;
 
-        if (accumulator[tier]) {
-          accumulator[tier]! += stats.battles;
+        if ((await accumulator)[tier]) {
+          (await accumulator)[tier]! += stats.battles;
         } else {
-          accumulator[tier] = stats.battles;
+          (await accumulator)[tier] = stats.battles;
         }
 
         return accumulator;
@@ -115,8 +123,8 @@ export default async function statsfull<Type extends StatType>(
     stats = tankStats[tankId!];
 
     supplementaryStats = {
-      WN8: calculateWN8(tankAverages[tankId!].all, tankStats[tankId!]),
-      tier: tankopedia[tankId!].tier,
+      WN8: calculateWN8((await tankAverages)[tankId!].all, tankStats[tankId!]),
+      tier: (await tankopedia)[tankId!].tier,
     };
   }
 

src/renderers/today.tsx

@@ -18,6 +18,7 @@ import { ResolvedPlayer } from '../core/discord/resolvePlayerFromCommand.js';
 import { WARGAMING_APPLICATION_ID } from '../core/node/arguments.js';
 import { AccountInfo, AllStats } from '../types/accountInfo.js';
 import { PlayerClanData } from '../types/playerClanData.js';
+import { PossiblyPromise } from '../types/possiblyPromise.js';
 
 export default async function today({ server, id }: ResolvedPlayer) {
   const tankStatsOverTime = await getTankStatsDiffed(
@@ -52,33 +53,31 @@ export default async function today({ server, id }: ResolvedPlayer) {
   }
 
   const tankStatsOverTimeEntries = Object.entries(tankStatsOverTime);
-  const todayWN8s = tankStatsOverTimeEntries.reduce<Record<number, number>>(
-    (accumulator, [tankIdString, tankStats]) => {
-      const tankId = Number(tankIdString);
+  const todayWN8s = await tankStatsOverTimeEntries.reduce<
+    PossiblyPromise<Record<number, number>>
+  >(async (accumulator, [tankIdString, tankStats]) => {
+    const tankId = Number(tankIdString);
 
-      return tankId === 0 || tankAverages[tankId] === undefined
-        ? accumulator
-        : {
-            ...accumulator,
-            [tankId]: calculateWN8(tankAverages[tankId].all, tankStats),
-          };
-    },
-    {},
-  );
-  const careerWN8s = careerTankStatsRaw.reduce<Record<number, number>>(
-    (accumulator, { tank_id }) => {
-      return tank_id === 0 || tankAverages[tank_id] === undefined
-        ? accumulator
-        : {
-            ...accumulator,
-            [tank_id]: calculateWN8(
-              tankAverages[tank_id].all,
-              careerStats[tank_id],
-            ),
-          };
-    },
-    {},
-  );
+    return tankId === 0 || (await tankAverages)[tankId] === undefined
+      ? accumulator
+      : {
+          ...accumulator,
+          [tankId]: calculateWN8((await tankAverages)[tankId].all, tankStats),
+        };
+  }, {});
+  const careerWN8s = await careerTankStatsRaw.reduce<
+    PossiblyPromise<Record<number, number>>
+  >(async (accumulator, { tank_id }) => {
+    return tank_id === 0 || (await tankAverages)[tank_id] === undefined
+      ? accumulator
+      : {
+          ...accumulator,
+          [tank_id]: calculateWN8(
+            (await tankAverages)[tank_id].all,
+            careerStats[tank_id],
+          ),
+        };
+  }, {});
   const todayWN8sEntries = Object.entries(todayWN8s);
   const careerWN8sEntries = Object.entries(careerWN8s);
 
@@ -109,32 +108,37 @@ export default async function today({ server, id }: ResolvedPlayer) {
       0,
     );
 
-  const rows = tankStatsOverTimeEntries.map(([tankIdString, tankStats]) => {
-    const tankId = Number(tankIdString);
-    const career = careerStats[tankId];
+  const rows = await Promise.all(
+    tankStatsOverTimeEntries.map(async ([tankIdString, tankStats]) => {
+      const tankId = Number(tankIdString);
+      const career = careerStats[tankId];
 
-    return (
-      <Breakdown.Row
-        key={tankId}
-        name={tankId === 0 ? 'Total' : resolveTankName(Number(tankIdString))}
-        winrate={tankStats.wins / tankStats.battles}
-        careerWinrate={career.wins / career.battles}
-        WN8={isNaN(todayWN8s[tankId]) ? undefined : todayWN8s[tankId]}
-        careerWN8={isNaN(careerWN8s[tankId]) ? undefined : careerWN8s[tankId]}
-        damage={tankStats.damage_dealt / tankStats.battles}
-        careerDamage={career.damage_dealt / career.battles}
-        survival={tankStats.survived_battles / tankStats.battles}
-        careerSurvival={career.survived_battles / career.battles}
-        battles={tankStats.battles}
-        careerBattles={career.battles}
-        icon={
-          tankId === 0
-            ? undefined
-            : tankopedia[tankIdString as unknown as number].images.normal
-        }
-      />
-    );
-  });
+      return (
+        <Breakdown.Row
+          key={tankId}
+          name={
+            tankId === 0 ? 'Total' : await resolveTankName(Number(tankIdString))
+          }
+          winrate={tankStats.wins / tankStats.battles}
+          careerWinrate={career.wins / career.battles}
+          WN8={isNaN(todayWN8s[tankId]) ? undefined : todayWN8s[tankId]}
+          careerWN8={isNaN(careerWN8s[tankId]) ? undefined : careerWN8s[tankId]}
+          damage={tankStats.damage_dealt / tankStats.battles}
+          careerDamage={career.damage_dealt / career.battles}
+          survival={tankStats.survived_battles / tankStats.battles}
+          careerSurvival={career.survived_battles / career.battles}
+          battles={tankStats.battles}
+          careerBattles={career.battles}
+          icon={
+            tankId === 0
+              ? undefined
+              : (await tankopedia)[tankIdString as unknown as number].images
+                  .normal
+          }
+        />
+      );
+    }),
+  );
 
   return (
     <Wrapper>

src/routes/stats.tsx

@@ -6,7 +6,7 @@ import { RouteRegistry } from '../server.js';
 export const statsRoute: RouteRegistry = {
   route: '/stats/:type/:period',
   inProduction: true,
-  inDevelopment: false,
+  inDevelopment: true,
 
   async handler(req) {
     const type = req.params.type as StatType;

src/types/possiblyPromise.ts

@@ -0,0 +1 @@
+export type PossiblyPromise<Type> = Promise<Type> | Type;