chore: update eslint config

eslint.config.mjs

@@ -0,0 +1,105 @@
+// eslint-disable-next-line strict
+import mocha from "eslint-plugin-mocha";
+import globals from "globals";
+import tsParser from "@typescript-eslint/parser";
+import path from "node:path";
+import {fileURLToPath} from "node:url";
+import js from "@eslint/js";
+import {FlatCompat} from "@eslint/eslintrc";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+  baseDirectory: __dirname,
+  recommendedConfig: js.configs.recommended,
+  allConfig: js.configs.all,
+});
+
+export default [{
+  ignores: [
+    "**/node_modules",
+    "**/.eslintrc*",
+    "**/artifacts",
+    "**/cache",
+    "**/constants",
+    "**/coverage",
+    "lib/murky",
+    "lib/openzeppelin-contracts",
+    "typechain-types/*",
+  ],
+}, ...compat.extends("standard"), {
+  plugins: {
+    mocha,
+  },
+
+  languageOptions: {
+    globals: {
+      ...globals.browser,
+      ...globals.node,
+      ...globals.mocha,
+      ...globals.jest,
+      artifacts: false,
+      contract: false,
+      assert: false,
+      web3: false,
+      usePlugin: false,
+      extendEnvironment: false,
+    },
+
+    parser: tsParser,
+    ecmaVersion: 2020,
+    sourceType: "commonjs",
+  },
+
+  rules: {
+    strict: ["error", "global"],
+    "array-bracket-spacing": ["off"],
+
+    camelcase: ["error", {
+      properties: "always",
+    }],
+
+    "comma-dangle": ["error", "always-multiline"],
+
+    "comma-spacing": ["error", {
+      before: false,
+      after: true,
+    }],
+
+    "dot-notation": ["error", {
+      allowKeywords: true,
+      allowPattern: "",
+    }],
+
+    "eol-last": ["error", "always"],
+    eqeqeq: ["error", "smart"],
+    "generator-star-spacing": ["error", "before"],
+    indent: ["error", 2],
+    "linebreak-style": ["error", "unix"],
+    "max-len": ["error", 120, 2],
+    "no-debugger": "off",
+    "no-dupe-args": "error",
+    "no-dupe-keys": "error",
+    "no-mixed-spaces-and-tabs": ["error", "smart-tabs"],
+
+    "no-redeclare": ["error", {
+      builtinGlobals: true,
+    }],
+
+    "no-trailing-spaces": ["error", {
+      skipBlankLines: false,
+    }],
+
+    "no-undef": "error",
+    "no-use-before-define": "off",
+    "no-var": "error",
+    "object-curly-spacing": "off",
+    "prefer-const": "error",
+    quotes: "off",
+    semi: ["error", "always"],
+    "space-before-function-paren": "off",
+    "mocha/no-exclusive-tests": ["error"],
+    "promise/always-return": "off",
+    "promise/avoid-new": "off",
+  },
+}];

package.json

@@ -22,6 +22,8 @@
   "devDependencies": {
     "@commitlint/cli": "^19.4.0",
     "@commitlint/config-conventional": "^19.2.2",
+    "@eslint/eslintrc": "^3.1.0",
+    "@eslint/js": "^9.8.0",
     "@metamask/eth-sig-util": "^7.0.3",
     "@nomicfoundation/hardhat-chai-matchers": "^2.0.7",
     "@nomicfoundation/hardhat-ethers": "^3.0.6",
@@ -52,6 +54,7 @@
     "eslint-plugin-promise": "^6.6.0",
     "ethers": "^6.13.2",
     "fs-extra": "^11.2.0",
+    "globals": "^15.9.0",
     "hardhat": "^2.22.8",
     "hardhat-abi-exporter": "^2.10.1",
     "hardhat-contract-sizer": "^2.10.0",