chore: switch from eslint to oxlint

.github/workflows/ci.yml

@@ -26,4 +26,4 @@ jobs:
           bun run db:generate
           bun run db:migrate
 
-      - run: bun run test
+      - run: bun run verify

.oxfmtrc.json

@@ -2,6 +2,5 @@
   "$schema": "./node_modules/oxfmt/configuration_schema.json",
   "tabWidth": 2,
   "printWidth": 100,
-  "sortPackageJson": false,
-  "ignorePatterns": []
+  "sortPackageJson": false
 }

CLAUDE.md

@@ -17,8 +17,8 @@ bun run dev             # Run with hot reload (--watch)
 bun run tsc             # TypeScript type checking (via tsgo)
 bun run format          # Format code with oxfmt
 bun run format:check    # Check formatting without writing
-bun run lint            # Run ESLint
-bun run lint:fix        # Auto-fix linting issues
+bun run lint            # Run oxlint
+bun run lint:fix        # Auto-fix linting issues (oxlint)
 bun run test            # Run all tests (vitest)
 bun run test:watch      # Run tests in watch mode (vitest)
 bun run verify          # Run format check, lint, type checking, and tests

CONTRIBUTING.md

@@ -66,7 +66,7 @@ git checkout -b fix/issue-description
 
 ### 2. Make Your Changes
 
-- **Follow the existing code style** - The project uses ESLint and Prettier for consistency.
+- **Follow the existing code style** - The project uses oxlint and oxfmt for consistency.
 - **Write TypeScript** - All code must be properly typed.
 - **Add tests** - New functionality should include tests.
 - **Update documentation** - Keep README and JSDoc comments up to date.

README.md

@@ -114,8 +114,8 @@ For production deployments, the bot is automatically deployed via Forge when cha
 - `bun db:migrate` - Apply database migrations
 - `bun run format` - Format code with oxfmt
 - `bun run format:check` - Check formatting without writing
-- `bun lint` - Run ESLint
-- `bun lint:fix` - Run ESLint with auto-fix
+- `bun lint` - Run oxlint
+- `bun lint:fix` - Run oxlint with auto-fix
 - `bun tsc` - Run TypeScript type checking (via tsgo)
 - `bun run test` - Run all tests
 - `bun run test:watch` - Run tests in watch mode

oxlint.config.js

@@ -0,0 +1,49 @@
+import nkzw from "@nkzw/oxlint-config";
+import { defineConfig } from "oxlint";
+
+export default defineConfig({
+  extends: [nkzw],
+  ignorePatterns: ["dist/**"],
+  rules: {
+    // Core rules.
+    eqeqeq: "error",
+    "no-console": "off",
+    "no-else-return": "error",
+    "no-return-await": "error",
+    "object-shorthand": "error",
+
+    // TypeScript rules.
+    "@typescript-eslint/ban-ts-comment": "error",
+    "@typescript-eslint/consistent-type-imports": "error",
+    "@typescript-eslint/no-explicit-any": "error",
+    "@typescript-eslint/no-unused-vars": [
+      "error",
+      {
+        argsIgnorePattern: "^_",
+        caughtErrorsIgnorePattern: "^_",
+        varsIgnorePattern: "^_",
+      },
+    ],
+
+    // Unicorn rules.
+    "unicorn/no-array-reduce": "error",
+    "unicorn/prefer-includes": "error",
+    "unicorn/prefer-node-protocol": "off",
+
+    // Import sorting.
+    "perfectionist/sort-imports": "error",
+    "perfectionist/sort-named-imports": "error",
+
+    // Not relevant for this project.
+    "@nkzw/ensure-relay-types": "off",
+    "@nkzw/require-use-effect-arguments": "off",
+  },
+  overrides: [
+    {
+      files: ["**/*.test.ts", "**/test/**/*.ts", "**/*.mock.ts"],
+      rules: {
+        "@typescript-eslint/no-explicit-any": "off",
+      },
+    },
+  ],
+});

package.json

@@ -32,11 +32,11 @@
     "tsc": "tsgo --noEmit",
     "format": "oxfmt",
     "format:check": "oxfmt --check",
-    "lint": "eslint src --cache",
-    "lint:fix": "eslint src --fix",
+    "lint": "oxlint src",
+    "lint:fix": "oxlint src --fix",
     "test": "vitest run",
     "test:watch": "vitest",
-    "verify": "bun run format:check && bun run lint:fix && bun run tsc && vitest run",
+    "verify": "bun run format:check && bun run lint && bun run tsc && vitest run",
     "postinstall": "git config core.hooksPath .hooks && chmod +x .hooks/*"
   },
   "dependencies": {
@@ -48,19 +48,14 @@
     "youtube-search": "^1.1.6"
   },
   "devDependencies": {
+    "@nkzw/oxlint-config": "^1.0.1",
     "@types/bun": "latest",
     "@types/figlet": "^1.7.0",
     "@typescript/native-preview": "^7.0.0-dev.20260228.1",
+    "@vitest/coverage-v8": "4.0.18",
     "drizzle-kit": "0.31.4",
-    "eslint": "^9.31.0",
-    "eslint-config-prettier": "^10.1.5",
-    "eslint-import-resolver-typescript": "^4.4.4",
-    "eslint-plugin-import": "^2.32.0",
-    "eslint-plugin-simple-import-sort": "^12.1.1",
-    "eslint-plugin-sort-keys-shorthand": "^3.0.0",
-    "eslint-plugin-unicorn": "^59.0.1",
     "oxfmt": "^0.35.0",
-    "typescript-eslint": "^8.37.0",
+    "oxlint": "^1.50.0",
     "vitest": "^4.0.18"
   }
 }

src/deploy-commands.ts

@@ -37,7 +37,7 @@ const commandsPath = join(__dirname, "slash-commands");
         commands.push(slashCommand.data.toJSON());
       }
     }
-  } catch (_error) {
+  } catch {
     logger.info("📁 No slash commands found in src/slash-commands/");
     logger.info("Create slash command files ending with .command.ts to deploy them.");
     process.exit(0);

src/slash-commands/pingteam.command.ts

@@ -168,7 +168,7 @@ const pingteamSlashCommand: SlashCommand = {
           await TeamService.addMemberByTeamName(teamName, user.id, interaction.user.id);
 
           await interaction.reply(`✅ Added ${user} to team "${teamName}".`);
-        } catch (_error) {
+        } catch {
           await interaction.reply({
             content: `Failed to add ${user} to team "${teamName}". They might already be a member.`,
             flags: MessageFlags.Ephemeral,

src/slash-commands/uwc.command.ts

@@ -75,7 +75,6 @@ const uwcSlashCommand: SlashCommand = {
     // Extract achievement/game info from thread if available.
     let achievementId: number | undefined;
     let achievementName: string | undefined;
-    let gameId: number | undefined;
     let gameName: string | undefined;
 
     // Try to extract context from thread name or first message.
@@ -125,7 +124,6 @@ const uwcSlashCommand: SlashCommand = {
         creatorId: interaction.user.id,
         achievementId,
         achievementName,
-        gameId,
         gameName,
         pollUrl: `https://discord.com/channels/${interaction.guildId}/${interaction.channelId}/${pollReply.id}`,
       });