migrate eslint config

eslint.config.mjs

@@ -0,0 +1,104 @@
+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": ["error", "always"],
+        "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

@@ -38,7 +38,7 @@
     "@types/chai": "^4.3.16",
     "@types/fs-extra": "^11.0.4",
     "@types/mocha": "^10.0.7",
-    "@types/node": "^20.14.10",
+    "@types/node": "^20.14.11",
     "@typescript-eslint/eslint-plugin": "^7.16.1",
     "@typescript-eslint/parser": "^7.16.1",
     "eslint": "^8.57.0",
@@ -47,8 +47,11 @@
     "eslint-plugin-import": "^2.29.1",
     "eslint-plugin-mocha": "^10.4.3",
     "eslint-plugin-n": "^17.9.0",
-    "eslint-plugin-prettier": "^5.1.3",
+    "eslint-plugin-prettier": "^5.2.1",
     "eslint-plugin-promise": "^6.4.0",
+    "@eslint/eslintrc": "^3.1.0",
+    "@eslint/js": "^9.7.0",
+    "globals": "^15.8.0",
     "ethers": "^6.13.1",
     "fs-extra": "^11.2.0",
     "hardhat": "^2.22.6",