noot

ts/package.json

@@ -2,14 +2,24 @@
   "name": "backend",
   "packageManager": "yarn@4.6.0+sha512.5383cc12567a95f1d668fbe762dfe0075c595b4bfff433be478dbbe24e05251a8e8c3eb992a986667c1d53b6c3a9c85b8398c35a960587fbd9fa3a0915406728",
   "scripts": {
-    "barrels": "barrelsby -c barrelsby.json --delete"
+    "barrels": "barrelsby -c barrelsby.json --delete",
+    "test": "vitest",
+    "test:ui": "vitest --ui",
+    "test:coverage": "vitest --coverage",
+    "test:typecheck": "vitest typecheck",
+    "typecheck": "tsc --noEmit"
   },
   "devDependencies": {
+    "@types/node": "^22.13.4",
     "@types/object-hash": "^3",
+    "@vitest/runner": "^3.2.3",
+    "@vitest/ui": "^3.2.3",
     "barrelsby": "^2.8.1",
+    "happy-dom": "^18.0.1",
     "knip": "^5.45.0",
     "rollup": "^4.34.8",
-    "typescript": "5.7.3"
+    "typescript": "5.7.3",
+    "vitest": "^3.2.3"
   },
   "dependencies": {
     "@discordeno/types": "^21.0.0",
@@ -21,7 +31,6 @@
     "@temporalio/workflow": "^1.11.7",
     "@ts-rest/core": "https://gitpkg.vercel.app/aidant/ts-rest/libs/ts-rest/core?feat-standard-schema",
     "@ts-rest/fastify": "https://gitpkg.vercel.app/aidant/ts-rest/libs/ts-rest/fastify?feat-standard-schema",
-    "@types/node": "^22.13.4",
     "any-date-parser": "^2.0.3",
     "arktype": "2.1.1",
     "axios": "^1.7.9",

ts/src/discord/botevent/command_parser.spec.ts

@@ -0,0 +1,428 @@
+import { describe, it, expect, vi } from 'vitest'
+import { ApplicationCommandOptionTypes, ApplicationCommandTypes, CreateApplicationCommand } from '@discordeno/types'
+import { createCommandHandler, ExtractCommands } from './command_parser'
+import type { InteractionData } from '..'
+
+// Test command definitions
+const TEST_COMMANDS = [
+  {
+    name: 'simple',
+    description: 'A simple command',
+    type: ApplicationCommandTypes.ChatInput,
+    options: [
+      {
+        name: 'message',
+        description: 'A message to echo',
+        type: ApplicationCommandOptionTypes.String,
+        required: true,
+      },
+      {
+        name: 'count',
+        description: 'Number of times',
+        type: ApplicationCommandOptionTypes.Integer,
+        required: false,
+      },
+    ],
+  },
+  {
+    name: 'complex',
+    description: 'A command with subcommands',
+    type: ApplicationCommandTypes.ChatInput,
+    options: [
+      {
+        name: 'list',
+        description: 'List items',
+        type: ApplicationCommandOptionTypes.SubCommand,
+        options: [
+          {
+            name: 'filter',
+            description: 'Filter string',
+            type: ApplicationCommandOptionTypes.String,
+            required: false,
+          },
+        ],
+      },
+      {
+        name: 'create',
+        description: 'Create item',
+        type: ApplicationCommandOptionTypes.SubCommand,
+        options: [
+          {
+            name: 'name',
+            description: 'Item name',
+            type: ApplicationCommandOptionTypes.String,
+            required: true,
+          },
+          {
+            name: 'enabled',
+            description: 'Is enabled',
+            type: ApplicationCommandOptionTypes.Boolean,
+            required: false,
+          },
+        ],
+      },
+    ],
+  },
+] as const satisfies CreateApplicationCommand[]
+
+describe('createCommandHandler', () => {
+  it('should handle a simple command with required string argument', async () => {
+    const simpleHandler = vi.fn()
+    const notFoundHandler = vi.fn()
+
+    const handler = createCommandHandler<typeof TEST_COMMANDS>({
+      handler: {
+        simple: simpleHandler,
+        complex: {
+          list: vi.fn(),
+          create: vi.fn(),
+        },
+      },
+      notFoundHandler,
+    })
+
+    const interactionData: InteractionData = {
+      name: 'simple',
+      options: [
+        { name: 'message', type: ApplicationCommandOptionTypes.String, value: 'Hello world' },
+      ],
+    }
+
+    await handler(interactionData)
+
+    expect(simpleHandler).toHaveBeenCalledWith({ message: 'Hello world' })
+    expect(notFoundHandler).not.toHaveBeenCalled()
+  })
+
+  it('should handle a simple command with optional arguments', async () => {
+    const simpleHandler = vi.fn()
+    const notFoundHandler = vi.fn()
+
+    const handler = createCommandHandler<typeof TEST_COMMANDS>({
+      handler: {
+        simple: simpleHandler,
+        complex: {
+          list: vi.fn(),
+          create: vi.fn(),
+        },
+      },
+      notFoundHandler,
+    })
+
+    const interactionData: InteractionData = {
+      name: 'simple',
+      options: [
+        { name: 'message', type: ApplicationCommandOptionTypes.String, value: 'Hello' },
+        { name: 'count', type: ApplicationCommandOptionTypes.Integer, value: 5 },
+      ],
+    }
+
+    await handler(interactionData)
+
+    expect(simpleHandler).toHaveBeenCalledWith({ message: 'Hello', count: 5 })
+  })
+
+  it('should handle subcommands correctly', async () => {
+    const listHandler = vi.fn()
+    const createHandler = vi.fn()
+    const notFoundHandler = vi.fn()
+
+    const handler = createCommandHandler<typeof TEST_COMMANDS>({
+      handler: {
+        simple: vi.fn(),
+        complex: {
+          list: listHandler,
+          create: createHandler,
+        },
+      },
+      notFoundHandler,
+    })
+
+    const interactionData: InteractionData = {
+      name: 'complex',
+      options: [
+        {
+          name: 'create',
+          type: ApplicationCommandOptionTypes.SubCommand,
+          options: [
+            { name: 'name', type: ApplicationCommandOptionTypes.String, value: 'Test Item' },
+            { name: 'enabled', type: ApplicationCommandOptionTypes.Boolean, value: true },
+          ],
+        },
+      ],
+    }
+
+    await handler(interactionData)
+
+    expect(createHandler).toHaveBeenCalledWith({ name: 'Test Item', enabled: true })
+    expect(listHandler).not.toHaveBeenCalled()
+    expect(notFoundHandler).not.toHaveBeenCalled()
+  })
+
+  it('should call notFoundHandler for unknown commands', async () => {
+    const notFoundHandler = vi.fn()
+
+    const handler = createCommandHandler<typeof TEST_COMMANDS>({
+      handler: {
+        simple: vi.fn(),
+        complex: {
+          list: vi.fn(),
+          create: vi.fn(),
+        },
+      },
+      notFoundHandler,
+    })
+
+    const interactionData: InteractionData = {
+      name: 'unknown',
+      options: [],
+    }
+
+    await handler(interactionData)
+
+    expect(notFoundHandler).toHaveBeenCalledWith({})
+  })
+
+  it('should call notFoundHandler for unknown subcommands', async () => {
+    const notFoundHandler = vi.fn()
+
+    const handler = createCommandHandler<typeof TEST_COMMANDS>({
+      handler: {
+        simple: vi.fn(),
+        complex: {
+          list: vi.fn(),
+          create: vi.fn(),
+        },
+      },
+      notFoundHandler,
+    })
+
+    const interactionData: InteractionData = {
+      name: 'complex',
+      options: [
+        {
+          name: 'unknown',
+          type: ApplicationCommandOptionTypes.SubCommand,
+          options: [],
+        },
+      ],
+    }
+
+    await handler(interactionData)
+
+    expect(notFoundHandler).toHaveBeenCalledWith({})
+  })
+
+  it('should handle missing interaction data', async () => {
+    const notFoundHandler = vi.fn()
+
+    const handler = createCommandHandler<typeof TEST_COMMANDS>({
+      handler: {
+        simple: vi.fn(),
+        complex: {
+          list: vi.fn(),
+          create: vi.fn(),
+        },
+      },
+      notFoundHandler,
+    })
+
+    await handler(null as any)
+    expect(notFoundHandler).toHaveBeenCalledWith({})
+
+    await handler({} as any)
+    expect(notFoundHandler).toHaveBeenCalledTimes(2)
+  })
+
+  it('should handle commands without options', async () => {
+    const simpleHandler = vi.fn()
+
+    const handler = createCommandHandler<typeof TEST_COMMANDS>({
+      handler: {
+        simple: simpleHandler,
+        complex: {
+          list: vi.fn(),
+          create: vi.fn(),
+        },
+      },
+      notFoundHandler: vi.fn(),
+    })
+
+    const interactionData: InteractionData = {
+      name: 'simple',
+      // No options provided
+    }
+
+    await handler(interactionData)
+
+    expect(simpleHandler).toHaveBeenCalledWith({})
+  })
+
+  it('should ignore subcommand options when parsing top-level args', async () => {
+    const simpleHandler = vi.fn()
+
+    const handler = createCommandHandler<typeof TEST_COMMANDS>({
+      handler: {
+        simple: simpleHandler,
+        complex: {
+          list: vi.fn(),
+          create: vi.fn(),
+        },
+      },
+      notFoundHandler: vi.fn(),
+    })
+
+    const interactionData: InteractionData = {
+      name: 'simple',
+      options: [
+        { name: 'message', type: ApplicationCommandOptionTypes.String, value: 'Hello' },
+        // This should be ignored in parseOptions
+        { name: 'subcommand', type: ApplicationCommandOptionTypes.SubCommand, options: [] },
+      ],
+    }
+
+    await handler(interactionData)
+
+    expect(simpleHandler).toHaveBeenCalledWith({ message: 'Hello' })
+  })
+})
+
+describe('ExtractCommands type utility', () => {
+  it('should correctly extract command types', () => {
+    // Type tests - these compile-time checks ensure the types work correctly
+    type TestHandlers = ExtractCommands<typeof TEST_COMMANDS>
+
+    // Test that the type structure is correct
+    const handlers: TestHandlers = {
+      simple: async (args) => {
+        // TypeScript should know that args has message as required string and count as optional number
+        const message: string = args.message
+        const count: number | undefined = args.count
+        expect(message).toBeDefined()
+        expect(count).toBeDefined()
+      },
+      complex: {
+        list: async (args) => {
+          // TypeScript should know that args has filter as optional string
+          const filter: string | undefined = args.filter
+          expect(filter).toBeDefined()
+        },
+        create: async (args) => {
+          // TypeScript should know that args has name as required string and enabled as optional boolean
+          const name: string = args.name
+          const enabled: boolean | undefined = args.enabled
+          expect(name).toBeDefined()
+          expect(enabled).toBeDefined()
+        },
+      },
+    }
+
+    // This is just to satisfy TypeScript - the real test is that the above compiles
+    expect(handlers).toBeDefined()
+  })
+
+  it('should infer types correctly without manual typing', () => {
+    // This test verifies that args are inferred correctly without manual type annotations
+    const handler = createCommandHandler<typeof TEST_COMMANDS>({
+      notFoundHandler: async () => {},
+      handler: {
+        simple: async (args) => {
+          // args should be automatically typed
+          // This would error if args.message wasn't a string
+          const upper = args.message.toUpperCase()
+          // This would error if args.count wasn't number | undefined
+          const doubled = args.count ? args.count * 2 : 0
+          expect(upper).toBeDefined()
+          expect(doubled).toBeDefined()
+        },
+        complex: {
+          list: async (args) => {
+            // This would error if args.filter wasn't string | undefined
+            const filtered = args.filter?.toLowerCase()
+            expect(filtered !== undefined).toBeDefined()
+          },
+          create: async (args) => {
+            // This would error if types weren't correct
+            const nameLength = args.name.length
+            const isEnabled = args.enabled === true
+            expect(nameLength).toBeDefined()
+            expect(isEnabled).toBeDefined()
+          },
+        },
+      },
+    })
+
+    expect(handler).toBeDefined()
+  })
+
+  it('should handle commands with no options', () => {
+    const EMPTY_COMMANDS = [
+      {
+        name: 'ping',
+        description: 'Ping command',
+        type: ApplicationCommandTypes.ChatInput,
+      },
+    ] as const satisfies CreateApplicationCommand[]
+
+    type EmptyHandlers = ExtractCommands<typeof EMPTY_COMMANDS>
+
+    const handlers: EmptyHandlers = {
+      ping: async (args) => {
+        // args should be an empty object
+        expect(args).toEqual({})
+      },
+    }
+
+    expect(handlers).toBeDefined()
+  })
+
+  it('should handle different option types', () => {
+    const TYPE_TEST_COMMANDS = [
+      {
+        name: 'types',
+        description: 'Test different types',
+        type: ApplicationCommandTypes.ChatInput,
+        options: [
+          { name: 'str', description: 'String param', type: ApplicationCommandOptionTypes.String, required: true },
+          { name: 'int', description: 'Integer param', type: ApplicationCommandOptionTypes.Integer, required: true },
+          { name: 'bool', description: 'Boolean param', type: ApplicationCommandOptionTypes.Boolean, required: true },
+          { name: 'user', description: 'User param', type: ApplicationCommandOptionTypes.User, required: true },
+          { name: 'channel', description: 'Channel param', type: ApplicationCommandOptionTypes.Channel, required: true },
+          { name: 'role', description: 'Role param', type: ApplicationCommandOptionTypes.Role, required: true },
+          { name: 'num', description: 'Number param', type: ApplicationCommandOptionTypes.Number, required: true },
+          { name: 'mention', description: 'Mentionable param', type: ApplicationCommandOptionTypes.Mentionable, required: true },
+          { name: 'attach', description: 'Attachment param', type: ApplicationCommandOptionTypes.Attachment, required: true },
+        ],
+      },
+    ] as const satisfies CreateApplicationCommand[]
+
+    type TypeHandlers = ExtractCommands<typeof TYPE_TEST_COMMANDS>
+
+    const handlers: TypeHandlers = {
+      types: async (args) => {
+        // Test that all types are correctly mapped
+        const str: string = args.str
+        const int: number = args.int
+        const bool: boolean = args.bool
+        const user: string = args.user
+        const channel: string = args.channel
+        const role: string = args.role
+        const num: number = args.num
+        const mention: string = args.mention
+        const attach: string = args.attach
+
+        expect(str).toBeDefined()
+        expect(int).toBeDefined()
+        expect(bool).toBeDefined()
+        expect(user).toBeDefined()
+        expect(channel).toBeDefined()
+        expect(role).toBeDefined()
+        expect(num).toBeDefined()
+        expect(mention).toBeDefined()
+        expect(attach).toBeDefined()
+      },
+    }
+
+    expect(handlers).toBeDefined()
+  })
+})

ts/src/discord/botevent/command_parser.ts

@@ -15,15 +15,18 @@ type OptionTypeMap = {
   [ApplicationCommandOptionTypes.Attachment]: string; // attachment ID
 };
 
+// Helper type to get option by name
+type GetOption<Options, Name> = Options extends readonly any[]
+  ? Options[number] extends infer O
+    ? O extends { name: Name }
+      ? O
+      : never
+    : never
+  : never;
+
 // Extract the argument types from command options
-type ExtractArgs<Options extends readonly any[]> = {
-  [K in Options[number] as K extends { name: infer N; type: infer T }
-    ? T extends keyof OptionTypeMap
-      ? N extends string
-        ? N
-        : never
-      : never
-    : never]: Options[number] extends { name: K; type: infer T; required?: infer R }
+export type ExtractArgs<Options extends readonly any[]> = {
+  [K in Options[number]['name']]: GetOption<Options, K> extends { type: infer T; required?: infer R }
     ? T extends keyof OptionTypeMap
       ? R extends true
         ? OptionTypeMap[T]
@@ -35,31 +38,54 @@ type ExtractArgs<Options extends readonly any[]> = {
 // Handler function type that accepts typed arguments
 type HandlerFunction<Args = {}> = (args: Args) => Promise<void> | void;
 
-// Helper types to extract command structure with proper argument types
-type ExtractSubcommands<T> = T extends { options: infer O }
-  ? O extends readonly any[]
-    ? {
-        [K in O[number] as K extends { name: infer N; type: ApplicationCommandOptionTypes.SubCommand | ApplicationCommandOptionTypes.SubCommandGroup }
-          ? N extends string
-            ? N
+// Get subcommand by name
+type GetSubcommand<Options, Name> = Options extends readonly any[]
+  ? Options[number] extends infer O
+    ? O extends { name: Name; type: ApplicationCommandOptionTypes.SubCommand }
+      ? O
       : never
-          : never]: O[number] extends { name: K; options?: infer SubO }
-            ? SubO extends readonly any[]
-              ? HandlerFunction<ExtractArgs<SubO>>
-              : HandlerFunction<{}>
-            : HandlerFunction<{}>
-      }
     : never
   : never;
 
-type ExtractCommands<T extends readonly CreateApplicationCommand[]> = {
-  [K in T[number] as K['name']]: ExtractSubcommands<K> extends never
-    ? T[number] extends { name: K; options?: infer O }
-      ? O extends readonly any[]
-        ? HandlerFunction<ExtractArgs<O>>
+// Check if all options are subcommands
+type HasOnlySubcommands<Options extends readonly any[]> = 
+  Options[number] extends { type: ApplicationCommandOptionTypes.SubCommand }
+    ? true
+    : false;
+
+// Extract subcommand names from options
+type SubcommandNames<Options extends readonly any[]> = 
+  Options[number] extends { name: infer N; type: ApplicationCommandOptionTypes.SubCommand }
+    ? N extends string
+      ? N
+      : never
+    : never;
+
+// Type to extract subcommand handlers
+export type SubcommandHandlers<Options extends readonly any[]> = {
+  [K in SubcommandNames<Options>]: GetSubcommand<Options, K> extends { options?: infer SubOpts }
+    ? SubOpts extends readonly any[]
+      ? HandlerFunction<ExtractArgs<SubOpts>>
+      : HandlerFunction<{}>
+    : HandlerFunction<{}>
+};
+
+// Get command by name from array
+type GetCommand<Commands extends readonly any[], Name> = Commands[number] extends infer C
+  ? C extends { name: Name }
+    ? C
+    : never
+  : never;
+
+// Main type to extract command handlers from slash commands
+export type ExtractCommands<T extends readonly any[]> = {
+  [Name in T[number]['name']]: GetCommand<T, Name> extends { options?: infer Options }
+    ? Options extends readonly any[]
+      ? HasOnlySubcommands<Options> extends true
+        ? SubcommandHandlers<Options>
+        : HandlerFunction<ExtractArgs<Options>>
       : HandlerFunction<{}>
     : HandlerFunction<{}>
-    : ExtractSubcommands<K>
 };
 
 // The actual command handler type based on SLASH_COMMANDS
@@ -128,62 +154,8 @@ export function createCommandHandler<T extends readonly CreateApplicationCommand
 
       // Parse arguments from subcommand options
       const args = parseOptions(subcommand.options);
-      await subHandler(args);
+      await (subHandler as HandlerFunction<any>)(args);
     }
   }
 }
 
-// Function to validate that all commands are implemented
-export function validateCommandImplementation(handlers: CommandHandlers): void {
-  for (const command of SLASH_COMMANDS) {
-    const commandName = command.name;
-    if (!(commandName in handlers)) {
-      throw new Error(`Command "${commandName}" is not implemented`);
-    }
-
-    // Check subcommands if they exist
-    if (command.options) {
-      const subcommands = command.options.filter(
-        opt => opt.type === ApplicationCommandOptionTypes.SubCommand
-      );
-
-      if (subcommands.length > 0) {
-        const handlerObj = handlers[commandName as keyof CommandHandlers];
-        if (typeof handlerObj === 'function') {
-          throw new Error(`Command "${commandName}" has subcommands but is implemented as a function`);
-        }
-
-        for (const subcommand of subcommands) {
-          if (!(subcommand.name in handlerObj)) {
-            throw new Error(`Subcommand "${commandName}.${subcommand.name}" is not implemented`);
-          }
-        }
-      }
-    }
-  }
-}
-
-// Helper function to create command handlers with type safety
-export function createCommandHandlers<T extends CommandHandlers>(handlers: T): T {
-  return handlers;
-}
-
-// Example usage showing the type-safe implementation
-export const exampleHandlers = createCommandHandlers({
-  guild: {
-    leaderboard: async (args: {}) => {
-      console.log("Guild leaderboard command");
-    },
-    info: async (args: {}) => {
-      console.log("Guild info command");
-    },
-    online: async (args: {}) => {
-      console.log("Guild online command");
-    },
-  },
-  admin: {
-    set_wynn_guild: async (args: {}) => {
-      console.log("Admin set_wynn_guild command");
-    },
-  },
-});

ts/src/discord/botevent/slash_commands.ts

@@ -37,5 +37,24 @@ export const SLASH_COMMANDS = [
         type: ApplicationCommandOptionTypes.SubCommand,
       },
     ],
+  },{
+    name: "player",
+    description: "player commands",
+    type: ApplicationCommandTypes.ChatInput,
+    options: [
+      {
+        name: "lookup",
+        description: "view player information",
+        type: ApplicationCommandOptionTypes.SubCommand,
+        options: [
+          {
+            name: "player",
+            description: "player name",
+            type: ApplicationCommandOptionTypes.String,
+            required: true,
+          },
+        ],
+      }
+    ],
   }
 ] as const satisfies CreateApplicationCommand[]

ts/src/workflows/discord.ts

@@ -2,6 +2,7 @@ import { proxyActivities, startChild, workflowInfo } from '@temporalio/workflow'
 import type * as activities from '#/activities';
 import { InteractionTypes } from '@discordeno/types';
 import { handleCommandGuildInfo, handleCommandGuildOnline, handleCommandGuildLeaderboard } from './guild_messages';
+import { handleCommandPlayerLookup } from './player_messages';
 import { createCommandHandler } from '#/discord/botevent/command_parser';
 import { SLASH_COMMANDS } from '#/discord/botevent/slash_commands';
 import { InteractionCreatePayload} from '#/discord';
@@ -34,9 +35,19 @@ const workflowHandleApplicationCommand = async (
     notFoundHandler: async () => {
       await notFoundHandler(`command not found`);
     },
-    handler:{
+    handler: {
+      player: {
+        lookup: async (args) => {
+          const { workflowId } = workflowInfo();
+          const handle = await startChild(handleCommandPlayerLookup, {
+            args: [{ ref, args }],
+            workflowId: `${workflowId}-player-lookup`,
+          });
+          await handle.result();
+        },
+      },
       guild: {
-        info: async (args: {}) => {
+        info: async (args) => {
           const { workflowId } = workflowInfo();
           const handle = await startChild(handleCommandGuildInfo, {
             args: [{ ref }],
@@ -44,7 +55,7 @@ const workflowHandleApplicationCommand = async (
           });
           await handle.result();
         },
-        online: async (args: {}) => {
+        online: async (args) => {
           const { workflowId } = workflowInfo();
           const handle = await startChild(handleCommandGuildOnline, {
             args: [{ ref }],
@@ -52,7 +63,7 @@ const workflowHandleApplicationCommand = async (
           });
           await handle.result();
         },
-        leaderboard: async (args: {}) => {
+        leaderboard: async (args) => {
           const { workflowId } = workflowInfo();
           const handle = await startChild(handleCommandGuildLeaderboard, {
             args: [{ ref }],
@@ -62,7 +73,7 @@ const workflowHandleApplicationCommand = async (
         },
       },
       admin: {
-        set_wynn_guild: async (args: {}) => {
+        set_wynn_guild: async (args) => {
           await reply_to_interaction({
             ref,
             type: 4,

ts/src/workflows/index.ts

@@ -6,4 +6,5 @@ export * from "./discord";
 export * from "./guild_messages";
 export * from "./guilds";
 export * from "./items";
+export * from "./player_messages";
 export * from "./players";

ts/src/workflows/player_messages.ts

@@ -0,0 +1,43 @@
+import { proxyActivities } from "@temporalio/workflow";
+import type * as activities from "#/activities";
+import { InteractionRef } from "#/discord";
+
+const { 
+  reply_to_interaction
+} = proxyActivities<typeof activities>({
+  startToCloseTimeout: '30 seconds',
+});
+
+interface CommandPayload {
+  ref: InteractionRef;
+  args: {
+    player: string;
+  };
+}
+
+export async function handleCommandPlayerLookup(payload: CommandPayload): Promise<void> {
+  const { ref, args } = payload;
+  const playerName = args.player;
+
+  try {
+    // For now, we'll send a simple response
+    // In the future, we can fetch player stats from Wynncraft API
+    await reply_to_interaction({
+      ref,
+      type: 4,
+      options: {
+        content: `Looking up player: **${playerName}**\n\n*Player lookup functionality coming soon!*`,
+        isPrivate: false,
+      },
+    });
+  } catch (error) {
+    await reply_to_interaction({
+      ref,
+      type: 4,
+      options: {
+        content: `Error looking up player: ${playerName}`,
+        isPrivate: true,
+      },
+    });
+  }
+}

ts/vitest.config.ts

@@ -0,0 +1,18 @@
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+  test: {
+    globals: true,
+    include: ['**/*.{test,spec}.{js,mjs,cjs,ts,mts,cts,jsx,tsx}'],
+    typecheck: {
+      enabled: true,
+      tsconfig: './tsconfig.json',
+      include: ['**/*.{test,spec}.{ts,tsx}'],
+    },
+  },
+  resolve: {
+    alias: {
+      '#': new URL('./src', import.meta.url).pathname,
+    },
+  },
+})