chore: lint

biome.json

@@ -0,0 +1,78 @@
+{
+  "$schema": "https://biomejs.dev/schemas/1.6.3/schema.json",
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "suspicious": {
+        "noAssignInExpressions": "warn",
+        "noConfusingVoidType": "warn",
+        "noExplicitAny": "warn",
+        "noFallthroughSwitchClause": "warn",
+        "noImplicitAnyLet": "warn",
+        "noPrototypeBuiltins": "warn",
+        "recommended": true
+      },
+      "correctness": {
+        "recommended": true,
+        "noUnusedImports": "error",
+        "noUnusedVariables": "warn"
+      },
+      "style": {
+        "recommended": true,
+        "noUnusedTemplateLiteral": "warn",
+        "noNonNullAssertion": "off",
+        "useNodejsImportProtocol": "warn",
+        "noParameterAssign": "off",
+        "useLiteralEnumMembers": "off",
+        "useImportType": "off"
+      },
+      "complexity": {
+        "noStaticOnlyClass": "off",
+        "noBannedTypes": "warn",
+        "noExcessiveCognitiveComplexity": "off",
+        "noExtraBooleanCast": "off",
+        "noForEach": "off",
+        "noThisInStatic": "error",
+        "noUselessCatch": "warn",
+        "noUselessConstructor": "error",
+        "noUselessEmptyExport": "warn",
+        "noUselessFragments": "warn",
+        "noUselessLabel": "off",
+        "noUselessRename": "error",
+        "noUselessSwitchCase": "error",
+        "noUselessThisAlias": "off",
+        "noUselessTypeConstraint": "warn",
+        "noVoid": "error",
+        "useLiteralKeys": "warn"
+      }
+    }
+  },
+  "organizeImports": {
+    "enabled": true
+  },
+  "javascript": {
+    "formatter": {
+      "enabled": true,
+      "indentWidth": 2,
+      "indentStyle": "space",
+      "lineEnding": "lf",
+      "semicolons": "always",
+      "trailingComma": "es5",
+      "quoteStyle": "double",
+      "jsxQuoteStyle": "double",
+      "quoteProperties": "asNeeded",
+      "arrowParentheses": "asNeeded",
+      "lineWidth": 120,
+      "bracketSameLine": true,
+      "bracketSpacing": true
+    }
+  },
+  "formatter": {
+    "indentStyle": "space",
+    "enabled": true,
+    "formatWithErrors": true,
+    "indentWidth": 2,
+    "lineWidth": 120,
+    "lineEnding": "lf"
+  }
+}

package.json

@@ -50,6 +50,7 @@
     "checks": "yarn check:pq && yarn check:tsc && yarn check:es"
   },
   "dependencies": {
+    "@biomejs/biome": "^1.6.3",
     "@0x/utils": "^4.5.2",
     "@bgd-labs/aave-address-book": "2.21.1",
     "@ethersproject/abi": "^5.7.0",