♻️ Use eslint Flat Configuration File eslint.config.js

Signed-off-by: Pascal Marco Caversaccio <[email protected]>

eslint.config.js

@@ -0,0 +1,45 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+const eslint = require("@eslint/js");
+const tseslint = require("typescript-eslint");
+const eslintConfigPrettier = require("eslint-config-prettier");
+/* eslint-enable @typescript-eslint/no-var-requires */
+
+module.exports = tseslint.config(
+  {
+    files: ["**/*.{js,ts}"],
+    extends: [
+      eslint.configs.recommended,
+      ...tseslint.configs.recommended,
+      ...tseslint.configs.stylistic,
+      eslintConfigPrettier,
+    ],
+    plugins: {
+      "@typescript-eslint": tseslint.plugin,
+    },
+    languageOptions: {
+      ecmaVersion: "latest",
+      parser: tseslint.parser,
+      parserOptions: {
+        project: true,
+      },
+    },
+  },
+  {
+    ignores: [
+      "node_modules/**",
+      "lib/**",
+      "cache/**",
+      "cache_hardhat/**",
+      "cache_hardhat-zk/**",
+      "artifacts/**",
+      "artifacts-zk/**",
+      "typechain-types/**",
+      "coverage/**",
+      "deployments/**",
+      "deployments_tenderly/**",
+      "forge-artifacts/**",
+      "bin/**",
+      "out/**",
+    ],
+  },
+);

package.json

@@ -117,14 +117,15 @@
     "lint:fix": "pnpm prettier:fix && pnpm solhint:fix && npx eslint \"**/*.{js,ts}\" --fix"
   },
   "devDependencies": {
+    "@eslint/js": "^8.56.0",
     "@matterlabs/hardhat-zksync-deploy": "^1.1.2",
     "@matterlabs/hardhat-zksync-ethers": "1.0.0",
     "@matterlabs/hardhat-zksync-solc": "^1.1.2",
     "@matterlabs/hardhat-zksync-verify": "^1.3.0",
-    "@nomicfoundation/hardhat-chai-matchers": "^2.0.4",
+    "@nomicfoundation/hardhat-chai-matchers": "^2.0.5",
     "@nomicfoundation/hardhat-ethers": "^3.0.5",
     "@nomicfoundation/hardhat-foundry": "^1.1.1",
-    "@nomicfoundation/hardhat-ledger": "^1.0.1",
+    "@nomicfoundation/hardhat-ledger": "^1.0.2",
     "@nomicfoundation/hardhat-network-helpers": "^1.0.10",
     "@nomicfoundation/hardhat-toolbox": "^4.0.0",
     "@nomicfoundation/hardhat-verify": "^2.0.4",
@@ -136,13 +137,11 @@
     "@types/chai": "^4.3.11",
     "@types/mocha": "^10.0.6",
     "@types/node": "^20.11.17",
-    "@typescript-eslint/eslint-plugin": "^6.21.0",
-    "@typescript-eslint/parser": "^6.21.0",
     "chai": "^4.4.1",
     "eslint": "^8.56.0",
     "eslint-config-prettier": "^9.1.0",
-    "ethers": "^6.11.0",
-    "hardhat": "^2.19.5",
+    "ethers": "^6.11.1",
+    "hardhat": "^2.20.0",
     "hardhat-abi-exporter": "^2.10.1",
     "hardhat-contract-sizer": "^2.10.0",
     "hardhat-gas-reporter": "^1.0.10",
@@ -153,6 +152,7 @@
     "ts-node": "^10.9.2",
     "typechain": "^8.3.2",
     "typescript": "^5.3.3",
+    "typescript-eslint": "^7.0.1",
     "xdeployer": "^3.0.1",
     "zksync-ethers": "^6.3.0"
   }