chore: remove eslint, prettier, tslint and replace with biome (elizaOS#2439)

* remove eslint, and prettier. replace with biome-js

* full lint and biome switch

* lint check fix

* warn

* warn

* biome ci

* Update ci.yaml

---------

Co-authored-by: Sero <69639595+Seroxdesign@users.noreply.github.com>
Co-authored-by: Sayo <hi@sayo.wtf>

Author: 0xSero

.eslintrc.json

@@ -22,11 +22,13 @@ jobs:
             - name: Install dependencies
               run: pnpm install -r --no-frozen-lockfile
 
-            - name: Run Prettier
-              run: pnpm run prettier --check .
+            - name: Setup Biome CLI
+              uses: biomejs/setup-biome@v2
+              with:
+                version: latest
 
-            - name: Run Linter
-              run: pnpm run lint
+            - name: Run Biome
+              run: biome ci
 
             - name: Create test env file
               run: |

.github/workflows/ci.yaml

@@ -1,4 +1,4 @@
-import { Client, IAgentRuntime } from "@elizaos/core";
+import type { Client, IAgentRuntime } from "@elizaos/core";
 import { describe, it, expect } from "@jest/globals";
 
 // Helper function to identify client types

agent/src/__tests__/client-type-identification.test.ts

@@ -20,17 +20,17 @@ import {
     AgentRuntime,
     CacheManager,
     CacheStore,
-    Character,
-    Client,
+    type Character,
+    type Client,
     Clients,
     DbCacheAdapter,
     defaultCharacter,
     elizaLogger,
     FsCacheAdapter,
-    IAgentRuntime,
-    ICacheManager,
-    IDatabaseAdapter,
-    IDatabaseCacheAdapter,
+    type IAgentRuntime,
+    type ICacheManager,
+    type IDatabaseAdapter,
+    type IDatabaseCacheAdapter,
     ModelProviderName,
     parseBooleanFromText,
     settings,
@@ -116,7 +116,7 @@ import yargs from "yargs";
 const __filename = fileURLToPath(import.meta.url); // get the resolved path to the file
 const __dirname = path.dirname(__filename); // get the name of the directory
 
-export const wait = (minTime: number = 1000, maxTime: number = 3000) => {
+export const wait = (minTime = 1000, maxTime = 3000) => {
     const waitTime =
         Math.floor(Math.random() * (maxTime - minTime + 1)) + minTime;
     return new Promise((resolve) => setTimeout(resolve, waitTime));
@@ -300,7 +300,7 @@ async function loadCharacter(filePath: string): Promise<Character> {
     if (!content) {
         throw new Error(`Character file not found: ${filePath}`);
     }
-    let character = JSON.parse(content);
+    const character = JSON.parse(content);
     return jsonToCharacter(filePath, character);
 }
 
@@ -311,7 +311,7 @@ function commaSeparatedStringToArray(commaSeparated: string): string[] {
 export async function loadCharacters(
     charactersArg: string
 ): Promise<Character[]> {
-    let characterPaths = commaSeparatedStringToArray(charactersArg);
+    const characterPaths = commaSeparatedStringToArray(charactersArg);
     const loadedCharacters: Character[] = [];
 
     if (characterPaths?.length > 0) {
@@ -385,7 +385,7 @@ export async function loadCharacters(
 
     if (hasValidRemoteUrls()) {
         elizaLogger.info("Loading characters from remote URLs");
-        let characterUrls = commaSeparatedStringToArray(
+        const characterUrls = commaSeparatedStringToArray(
             process.env.REMOTE_CHARACTER_URLS
         );
         for (const characterUrl of characterUrls) {
@@ -1191,9 +1191,9 @@ const hasValidRemoteUrls = () =>
 
 const startAgents = async () => {
     const directClient = new DirectClient();
-    let serverPort = parseInt(settings.SERVER_PORT || "3000");
+    let serverPort = Number.parseInt(settings.SERVER_PORT || "3000");
     const args = parseArguments();
-    let charactersArg = args.characters || args.character;
+    const charactersArg = args.characters || args.character;
     let characters = [defaultCharacter];
 
     if (process.env.IQ_WALLET_ADDRESS && process.env.IQSOlRPC) {
@@ -1231,7 +1231,7 @@ const startAgents = async () => {
 
     directClient.start(serverPort);
 
-    if (serverPort !== parseInt(settings.SERVER_PORT || "3000")) {
+    if (serverPort !== Number.parseInt(settings.SERVER_PORT || "3000")) {
         elizaLogger.log(`Server started on alternate port ${serverPort}`);
     }
 
@@ -1251,12 +1251,12 @@ if (
     parseBooleanFromText(process.env.PREVENT_UNHANDLED_EXIT)
 ) {
     // Handle uncaught exceptions to prevent the process from crashing
-    process.on("uncaughtException", function (err) {
+    process.on("uncaughtException", (err) => {
         console.error("uncaughtException", err);
     });
 
     // Handle unhandled rejections to prevent the process from crashing
-    process.on("unhandledRejection", function (err) {
+    process.on("unhandledRejection", (err) => {
         console.error("unhandledRejection", err);
     });
 }

agent/src/index.ts

@@ -0,0 +1,88 @@
+{
+    "$schema": "https://biomejs.dev/schemas/1.5.3/schema.json",
+    "organizeImports": {
+      "enabled": false
+    },
+    "linter": {
+      "enabled": true,
+      "rules": {
+        "recommended": true,
+        "suspicious": {
+          "noExplicitAny": "warn",
+          "noArrayIndexKey": "warn",
+          "noPrototypeBuiltins": "warn",
+          "noDuplicateObjectKeys": "warn",
+          "noGlobalIsNan": "warn",
+          "noDuplicateFontNames": "warn",
+          "noSelfCompare": "warn",
+          "noDoubleEquals": "warn",
+          "noImplicitAnyLet": "warn",
+          "noAssignInExpressions": "warn",
+          "noExportsInTest": "warn",
+          "noConstEnum": "warn",
+          "noEmptyInterface": "warn"
+        },
+        "correctness": {
+          "noUnusedVariables": "warn",
+          "noUnreachable": "warn",
+          "useExhaustiveDependencies": "warn",
+          "noSwitchDeclarations": "warn",
+          "noUnnecessaryContinue": "warn",
+          "noInnerDeclarations": "warn"
+        },
+        "style": {
+          "useConst": "warn",
+          "useTemplate": "warn",
+          "useImportType": "warn",
+          "useNodejsImportProtocol": "warn",
+          "noUselessElse": "warn",
+          "useSelfClosingElements": "warn",
+          "useNumberNamespace": "warn",
+          "noUnusedTemplateLiteral": "warn",
+          "noInferrableTypes": "warn",
+          "noNonNullAssertion": "warn",
+          "noParameterAssign": "warn",
+          "useDefaultParameterLast": "warn",
+          "useExponentiationOperator": "warn",
+          "noVar": "warn",
+          "useSingleVarDeclarator": "warn",
+          "useExportType": "warn"
+        },
+        "a11y": {
+          "useAltText": "warn",
+          "useFocusableInteractive": "warn",
+          "useMediaCaption": "warn",
+          "noSvgWithoutTitle": "warn",
+          "useKeyWithClickEvents": "warn"
+        },
+        "complexity": {
+          "noForEach": "warn",
+          "useOptionalChain": "warn",
+          "useArrowFunction": "warn",
+          "useFlatMap": "warn",
+          "useLiteralKeys": "warn",
+          "noBannedTypes": "warn",
+          "noStaticOnlyClass": "warn",
+          "noThisInStatic": "warn",
+          "noUselessConstructor": "warn",
+          "noUselessTernary": "warn",
+          "noUselessSwitchCase": "warn",
+          "noUselessCatch": "warn"
+        },
+        "performance": {
+          "noDelete": "warn",
+          "noAccumulatingSpread": "warn"
+        }
+      },
+      "ignore": ["**/dist/**", "**/node_modules/**", "**/coverage/**", "**/*.json"]
+    },
+    "formatter": {
+      "enabled": false
+    },
+    "javascript": {
+      "formatter": {
+        "quoteStyle": "double",
+        "semicolons": "always"
+      }
+    }
+  }

biome.json

@@ -7,8 +7,7 @@
         "extract-version": "sh version.sh",
         "dev": "pnpm run extract-version && vite",
         "build": "pnpm run extract-version && tsc -b && vite build",
-        "preview": "vite preview",
-        "lint": "eslint ."
+        "preview": "vite preview"
     },
     "dependencies": {
         "@elizaos/core": "workspace:*",

client/eslint.config.js

@@ -13,7 +13,7 @@ import useVersion from "./hooks/use-version";
 const queryClient = new QueryClient({
     defaultOptions: {
         queries: {
-            staleTime: Infinity,
+            staleTime: Number.POSITIVE_INFINITY,
         },
     },
 });

client/package.json

@@ -15,7 +15,7 @@ import {
 } from "@/components/ui/sidebar";
 import { apiClient } from "@/lib/api";
 import { NavLink, useLocation } from "react-router";
-import { type UUID } from "@elizaos/core";
+import type { UUID } from "@elizaos/core";
 import { Book, Cog, User } from "lucide-react";
 import ConnectionStatus from "./connection-status";
 

client/src/App.tsx

@@ -9,7 +9,7 @@ import { Ellipsis, Mic, Send, Trash } from "lucide-react";
 import { cn } from "@/lib/utils";
 import { useToast } from "@/hooks/use-toast";
 import { useMutation } from "@tanstack/react-query";
-import { UUID } from "@elizaos/core";
+import type { UUID } from "@elizaos/core";
 import { apiClient } from "@/lib/api";
 
 type Props = {

client/src/components/app-sidebar.tsx

@@ -9,7 +9,7 @@ import { ChatMessageList } from "@/components/ui/chat/chat-message-list";
 import { useTransition, animated, AnimatedProps } from "@react-spring/web";
 import { Paperclip, Send, X } from "lucide-react";
 import { useEffect, useRef, useState } from "react";
-import { Content, UUID } from "@elizaos/core";
+import type { Content, UUID } from "@elizaos/core";
 import { useMutation, useQueryClient } from "@tanstack/react-query";
 import { apiClient } from "@/lib/api";
 import { cn, moment } from "@/lib/utils";
@@ -19,7 +19,7 @@ import ChatTtsButton from "./ui/chat/chat-tts-button";
 import { Tooltip, TooltipContent, TooltipTrigger } from "./ui/tooltip";
 import { useToast } from "@/hooks/use-toast";
 import AIWriter from "react-aiwriter";
-import { IAttachment } from "@/types";
+import type { IAttachment } from "@/types";
 import { AudioRecorder } from "./audio-recorder";
 import { Badge } from "./ui/badge";
 

client/src/components/audio-recorder.tsx

@@ -1,4 +1,4 @@
-import { Character } from "@elizaos/core";
+import type { Character } from "@elizaos/core";
 import ArrayInput from "@/components/array-input";
 import InputCopy from "@/components/input-copy";
 import PageTitle from "./page-title";

client/src/components/chat.tsx

@@ -1,4 +1,4 @@
-import * as React from "react"
+import type * as React from "react"
 import { cva, type VariantProps } from "class-variance-authority"
 
 import { cn } from "@/lib/utils"

client/src/components/overview.tsx

@@ -3,7 +3,7 @@ import { cva, type VariantProps } from "class-variance-authority";
 import { cn } from "@/lib/utils";
 import { Avatar, AvatarImage, AvatarFallback } from "@/components/ui/avatar";
 import MessageLoading from "./message-loading";
-import { Button, ButtonProps } from "../button";
+import { Button, type ButtonProps } from "../button";
 
 // ChatBubble
 const chatBubbleVariant = cva(

client/src/components/ui/badge.tsx

@@ -1,4 +1,5 @@
-import React, { useRef, useState } from "react";
+import type React from "react";
+import { useRef, useState } from "react";
 import { X, MessageCircle } from "lucide-react";
 import { cn } from "@/lib/utils";
 import { Button } from "@/components/ui/button";

client/src/components/ui/chat/chat-bubble.tsx

@@ -1,6 +1,6 @@
 import * as React from "react";
 import { Slot } from "@radix-ui/react-slot";
-import { VariantProps, cva } from "class-variance-authority";
+import { type VariantProps, cva } from "class-variance-authority";
 import { PanelLeft } from "lucide-react";
 import { useIsMobile } from "@/hooks/use-mobile";
 import { cn } from "@/lib/utils";

client/src/components/ui/chat/expandable-chat.tsx

@@ -13,14 +13,13 @@ export function Toaster() {
 
     return (
         <ToastProvider>
-            {toasts.map(function ({
+            {toasts.map(({
                 id,
                 title,
                 description,
                 action,
                 ...props
-            }) {
-                return (
+            }) => (
                     <Toast key={id} {...props}>
                         <div className="grid gap-1">
                             {title && <ToastTitle>{title}</ToastTitle>}
@@ -33,8 +32,7 @@ export function Toaster() {
                         {action}
                         <ToastClose />
                     </Toast>
-                );
-            })}
+                ))}
             <ToastViewport />
         </ToastProvider>
     );

client/src/components/ui/sidebar.tsx

@@ -1,4 +1,4 @@
-import { type UUID, type Character } from "@elizaos/core";
+import type { UUID, Character } from "@elizaos/core";
 
 const BASE_URL = `http://localhost:${import.meta.env.VITE_SERVER_PORT ?? 3000}`;