add and fix eslint

Author: shahradelahi

.eslintrc.json

@@ -0,0 +1,18 @@
+{
+  "$schema": "https://json.schemastore.org/eslintrc.json",
+  "env": {
+    "es2021": true,
+    "node": true
+  },
+  "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended"],
+  "parserOptions": {
+    "ecmaVersion": "latest",
+    "sourceType": "module"
+  },
+  "rules": {
+    "no-console": "error",
+    "@typescript-eslint/semi": "off",
+    "@typescript-eslint/no-explicit-any": "off"
+  },
+  "ignorePatterns": ["dist", "node_modules"]
+}

.prettierrc

@@ -1,7 +1,17 @@
 {
+  "$schema": "https://json.schemastore.org/prettierrc",
   "useTabs": false,
   "semi": true,
   "singleQuote": true,
-  "trailingComma": "all",
-  "printWidth": 100
+  "trailingComma": "es5",
+  "printWidth": 100,
+  "overrides": [
+    {
+      "files": "*.md",
+      "options": {
+        "parser": "markdown",
+        "printWidth": 79
+      }
+    }
+  ]
 }

package.json

@@ -7,9 +7,11 @@
     "build": "tsup",
     "test": "mocha \"**/*.test.ts\" --retries 2",
     "typecheck": "tsc --noEmit",
+    "lint": "eslint \"src/**/*.ts\"",
+    "lint:fix": "eslint --fix \"src/**/*.ts\"",
     "format:check": "prettier --check \"**/*.{ts,md}\"",
     "format": "prettier --write .",
-    "prepublishOnly": "pnpm test && pnpm run format:check && pnpm run typecheck && pnpm build"
+    "prepublishOnly": "pnpm test && pnpm lint && pnpm run format:check && pnpm run typecheck && pnpm build"
   },
   "type": "module",
   "packageManager": "pnpm@8.15.0",
@@ -21,7 +23,9 @@
     "@types/mocha": "^10.0.6",
     "@types/node": "^20.12.2",
     "@types/prompts": "^2.4.9",
+    "@typescript-eslint/eslint-plugin": "^7.4.0",
     "chai": "^5.1.0",
+    "eslint": "^8.57.0",
     "mocha": "^10.4.0",
     "prettier": "^3.2.5",
     "tsup": "^8.0.2",