cartesi · tuler · Jan 13, 2026 · Jan 13, 2026 · Jan 13, 2026 · Jan 13, 2026
diff --git a/.changeset/good-turkeys-speak.md b/.changeset/good-turkeys-speak.md
@@ -0,0 +1,5 @@
+---
+"@cartesi/cli": patch
+---
+
+migrate format from prettier to biome
diff --git a/.github/workflows/cli.yaml b/.github/workflows/cli.yaml
@@ -30,7 +30,7 @@ jobs:
                   version: v1.4.3
 
             - name: Install dependencies
-              run: bun install
+              run: bun install --frozen-lockfile
 
             - name: Build
               run: bun run build --filter @cartesi/cli

diff --git a/.github/workflows/devnet.yaml b/.github/workflows/devnet.yaml
@@ -29,7 +29,7 @@ jobs:
                   version: v1.4.3
 
             - name: Install dependencies
-              run: bun install
+              run: bun install --frozen-lockfile
 
             - name: Build
               run: bun run build --filter @cartesi/devnet
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
@@ -16,7 +16,7 @@ jobs:
             - uses: oven-sh/setup-bun@b7a1c7ccf290d58743029c4f6903da283811b979 # v2.1.0
 
             - name: Install dependencies
-              run: bun install
+              run: bun install --frozen-lockfile
 
             - name: Lint
               run: bun run lint
diff --git a/.github/workflows/paymaster.yaml b/.github/workflows/paymaster.yaml
@@ -29,7 +29,7 @@ jobs:
                   version: v1.4.3
 
             - name: Install dependencies
-              run: bun install
+              run: bun install --frozen-lockfile
 
             - name: Build
               run: bun run build --filter @cartesi/mock-verifying-paymaster
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
@@ -40,7 +40,7 @@ jobs:
                   version: v1.4.3
 
             - name: Install Dependencies
-              run: bun install
+              run: bun install --frozen-lockfile
 
             - name: Build
               run: bun run build

diff --git a/.prettierignore b/.prettierignore
diff --git a/.prettierrc.json b/.prettierrc.json
diff --git a/.vscode/settings.json b/.vscode/settings.json
@@ -1,11 +1,11 @@
 {
     "editor.formatOnPaste": true,
     "editor.formatOnSave": true,
-    "editor.defaultFormatter": "esbenp.prettier-vscode",
+    "editor.defaultFormatter": "biomejs.biome",
     "editor.codeActionsOnSave": {
         "source.organizeImports": "explicit"
     },
     "[typescript]": {
-        "editor.defaultFormatter": "esbenp.prettier-vscode"
+        "editor.defaultFormatter": "biomejs.biome"
     }
 }
diff --git a/apps/cli/biome.json b/apps/cli/biome.json
@@ -1,16 +1,12 @@
 {
     "$schema": "https://biomejs.dev/schemas/2.3.11/schema.json",
-    "extends": ["../../biome.json"],
+    "root": false,
+    "extends": "//",
     "linter": {
         "rules": {
             "complexity": {
                 "noBannedTypes": "off"
             }
         }
-    },
-    "vcs": {
-        "enabled": true,
-        "clientKind": "git",
-        "useIgnoreFile": true
     }
 }
diff --git a/apps/cli/package.json b/apps/cli/package.json
@@ -41,7 +41,6 @@
         "yaml": "^2.8.2"
     },
     "devDependencies": {
-        "@biomejs/biome": "^2.2.4",
         "@cartesi/devnet": "2.0.0-alpha.9",
         "@cartesi/rollups": "2.1.1",
         "@types/bun": "^1.3.5",
@@ -69,8 +68,6 @@
         "codegen": "run-p codegen:wagmi",
         "codegen:wagmi": "wagmi generate",
         "compile": "bun build.ts",
-        "lint": "biome lint",
-        "posttest": "bun lint",
         "test": "vitest"
     },
     "engines": {

diff --git a/apps/cli/src/exec/index.ts b/apps/cli/src/exec/index.ts
@@ -1,4 +1,3 @@
 export * as cartesiMachine from "./cartesi-machine.js";
 export * as genext2fs from "./genext2fs.js";
 export * as mksquashfs from "./mksquashfs.js";
-
diff --git a/biome.json b/biome.json
@@ -8,12 +8,20 @@
         }
     },
     "formatter": {
-        "enabled": false
+        "enabled": true,
+        "includes": ["**", "!.changeset/pre.json"],
+        "indentStyle": "space",
+        "indentWidth": 4
     },
     "linter": {
         "enabled": true,
         "rules": {
             "recommended": true
         }
+    },
+    "vcs": {
+        "enabled": true,
+        "clientKind": "git",
+        "useIgnoreFile": true
     }
 }
diff --git a/bun.lock b/bun.lock
@@ -8,13 +8,12 @@
         "@biomejs/biome": "^2.3.11",
         "@changesets/cli": "^2.29.8",
         "@types/bun": "^1.3.5",
-        "prettier": "^3.7.4",
         "turbo": "^2.7.4",
       },
     },
     "apps/cli": {
       "name": "@cartesi/cli",
-      "version": "2.0.0-alpha.23",
+      "version": "2.0.0-alpha.24",
       "bin": {
         "cartesi": "./dist/index.js",
       },
@@ -45,7 +44,6 @@
         "yaml": "^2.8.2",
       },
       "devDependencies": {
-        "@biomejs/biome": "^2.2.4",
         "@cartesi/devnet": "2.0.0-alpha.9",
         "@cartesi/rollups": "2.1.1",
         "@types/bun": "^1.3.5",

diff --git a/package.json b/package.json
@@ -7,19 +7,17 @@
         "build": "turbo run build",
         "clean": "turbo run clean",
         "dev": "turbo run dev --parallel",
-        "lint": "turbo run lint",
-        "format": "prettier --write \"**/*.{cjs,css,json,md,mjs,ts,tsx}\"",
+        "lint": "biome ci",
         "publish-packages": "bun changeset publish && git push --follow-tags",
         "test": "turbo test"
     },
     "devDependencies": {
         "@biomejs/biome": "^2.3.11",
         "@changesets/cli": "^2.29.8",
         "@types/bun": "^1.3.5",
-        "prettier": "^3.7.4",
         "turbo": "^2.7.4"
     },
-    "packageManager": "bun@1.3.5",
+    "packageManager": "bun@1.3.6",
     "workspaces": [
         "apps/*",
         "packages/*"

diff --git a/packages/mock-verifying-paymaster/src/relay.ts b/packages/mock-verifying-paymaster/src/relay.ts
@@ -68,7 +68,7 @@ const handleMethodV06 = async (
     if (estimateGas) {
         let gasEstimates:
             | EstimateUserOperationGasReturnType<ENTRYPOINT_ADDRESS_V06_TYPE>
-            | undefined = undefined;
+            | undefined;
         try {
             gasEstimates = await altoBundlerV06.estimateUserOperationGas({
                 userOperation: op,
@@ -171,7 +171,7 @@ const handleMethodV07 = async (
     if (estimateGas) {
         let gasEstimates:
             | EstimateUserOperationGasReturnType<ENTRYPOINT_ADDRESS_V07_TYPE>
-            | undefined = undefined;
+            | undefined;
         try {
             gasEstimates = await altoBundlerV07.estimateUserOperationGas({
                 userOperation: op,
@@ -445,12 +445,9 @@ export const createRpcHandler = (
             console.log(`JSON.stringify(err): ${util.inspect(err)}`);
 
             const error = {
-                // biome-ignore lint/suspicious/noExplicitAny:
-                message: (err as any).message,
-                // biome-ignore lint/suspicious/noExplicitAny:
-                data: (err as any).data,
-                // biome-ignore lint/suspicious/noExplicitAny:
-                code: (err as any).code ?? -32603,
+                message: (err as unknown as { message: string }).message,
+                data: (err as unknown as { data: unknown }).data,
+                code: (err as unknown as { code: number }).code ?? -32603,
             };
 
             return {

diff --git a/turbo.json b/turbo.json
@@ -23,7 +23,6 @@
             "cache": false,
             "persistent": true
         },
-        "lint": {},
         "start": {
             "dependsOn": ["^build"]
         },