diff --git a/.eslintrc.cjs b/.eslintrc.cjs
index 4a80c2b..bee3713 100644
--- a/.eslintrc.cjs
+++ b/.eslintrc.cjs
@@ -1,7 +1,15 @@
 /* eslint-env node */
 module.exports = {
-  extends: ['eslint:recommended', 'plugin:@typescript-eslint/recommended'],
-  parser: '@typescript-eslint/parser',
-  plugins: ['@typescript-eslint'],
-  root: true
-};
\ No newline at end of file
+  extends: [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "prettier",
+  ],
+  parser: "@typescript-eslint/parser",
+  plugins: ["@typescript-eslint", "prettier"],
+  rules: {
+    "no-console": 1, // warning
+    "prettier/prettier": 2, // error
+  },
+  root: true,
+};
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..fee7d5b
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+package-lock.json -diff
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 11a4ed2..43f8934 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,6 +16,8 @@
         "@typescript-eslint/eslint-plugin": "^6.13.2",
         "@typescript-eslint/parser": "^6.13.2",
         "eslint": "^8.55.0",
+        "eslint-config-prettier": "^9.1.0",
+        "eslint-plugin-prettier": "^5.0.1",
         "jest": "^29.7.0",
         "prettier": "^3.1.0",
         "typescript": "^5.3.2"
@@ -1122,6 +1124,26 @@
         "node": ">= 8"
       }
     },
+    "node_modules/@pkgr/utils": {
+      "version": "2.4.2",
+      "resolved": "https://registry.npmjs.org/@pkgr/utils/-/utils-2.4.2.tgz",
+      "integrity": "sha512-POgTXhjrTfbTV63DiFXav4lBHiICLKKwDeaKn9Nphwj7WH6m0hMMCaJkMyRWjgtPFyRKRVoMXXjczsTQRDEhYw==",
+      "dev": true,
+      "dependencies": {
+        "cross-spawn": "^7.0.3",
+        "fast-glob": "^3.3.0",
+        "is-glob": "^4.0.3",
+        "open": "^9.1.0",
+        "picocolors": "^1.0.0",
+        "tslib": "^2.6.0"
+      },
+      "engines": {
+        "node": "^12.20.0 || ^14.18.0 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/unts"
+      }
+    },
     "node_modules/@sinclair/typebox": {
       "version": "0.27.8",
       "resolved": "https://registry.npmjs.org/@sinclair/typebox/-/typebox-0.27.8.tgz",
@@ -1768,6 +1790,27 @@
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
       "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
     },
+    "node_modules/big-integer": {
+      "version": "1.6.52",
+      "resolved": "https://registry.npmjs.org/big-integer/-/big-integer-1.6.52.tgz",
+      "integrity": "sha512-QxD8cf2eVqJOOz63z6JIN9BzvVs/dlySa5HGSBH5xtR8dPteIRQnBxxKqkNTiT6jbDTF6jAfrd4oMcND9RGbQg==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.6"
+      }
+    },
+    "node_modules/bplist-parser": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/bplist-parser/-/bplist-parser-0.2.0.tgz",
+      "integrity": "sha512-z0M+byMThzQmD9NILRniCUXYsYpjwnlO8N5uCFaCqIOpqRsJCrQL9NK3JsD67CN5a08nF5oIL2bD6loTdHOuKw==",
+      "dev": true,
+      "dependencies": {
+        "big-integer": "^1.6.44"
+      },
+      "engines": {
+        "node": ">= 5.10.0"
+      }
+    },
     "node_modules/brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -1833,6 +1876,21 @@
       "integrity": "sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==",
       "dev": true
     },
+    "node_modules/bundle-name": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/bundle-name/-/bundle-name-3.0.0.tgz",
+      "integrity": "sha512-PKA4BeSvBpQKQ8iPOGCSiell+N8P+Tf1DlwqmYhpe2gAhKPHn8EYOxVT+ShuGmhg8lN8XiSlS80yiExKXrURlw==",
+      "dev": true,
+      "dependencies": {
+        "run-applescript": "^5.0.0"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/callsites": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
@@ -2049,6 +2107,162 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/default-browser": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/default-browser/-/default-browser-4.0.0.tgz",
+      "integrity": "sha512-wX5pXO1+BrhMkSbROFsyxUm0i/cJEScyNhA4PPxc41ICuv05ZZB/MX28s8aZx6xjmatvebIapF6hLEKEcpneUA==",
+      "dev": true,
+      "dependencies": {
+        "bundle-name": "^3.0.0",
+        "default-browser-id": "^3.0.0",
+        "execa": "^7.1.1",
+        "titleize": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=14.16"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/default-browser-id": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/default-browser-id/-/default-browser-id-3.0.0.tgz",
+      "integrity": "sha512-OZ1y3y0SqSICtE8DE4S8YOE9UZOJ8wO16fKWVP5J1Qz42kV9jcnMVFrEE/noXb/ss3Q4pZIH79kxofzyNNtUNA==",
+      "dev": true,
+      "dependencies": {
+        "bplist-parser": "^0.2.0",
+        "untildify": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/default-browser/node_modules/execa": {
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/execa/-/execa-7.2.0.tgz",
+      "integrity": "sha512-UduyVP7TLB5IcAQl+OzLyLcS/l32W/GLg+AhHJ+ow40FOk2U3SAllPwR44v4vmdFwIWqpdwxxpQbF1n5ta9seA==",
+      "dev": true,
+      "dependencies": {
+        "cross-spawn": "^7.0.3",
+        "get-stream": "^6.0.1",
+        "human-signals": "^4.3.0",
+        "is-stream": "^3.0.0",
+        "merge-stream": "^2.0.0",
+        "npm-run-path": "^5.1.0",
+        "onetime": "^6.0.0",
+        "signal-exit": "^3.0.7",
+        "strip-final-newline": "^3.0.0"
+      },
+      "engines": {
+        "node": "^14.18.0 || ^16.14.0 || >=18.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/sindresorhus/execa?sponsor=1"
+      }
+    },
+    "node_modules/default-browser/node_modules/human-signals": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/human-signals/-/human-signals-4.3.1.tgz",
+      "integrity": "sha512-nZXjEF2nbo7lIw3mgYjItAfgQXog3OjJogSbKa2CQIIvSGWcKgeJnQlNXip6NglNzYH45nSRiEVimMvYL8DDqQ==",
+      "dev": true,
+      "engines": {
+        "node": ">=14.18.0"
+      }
+    },
+    "node_modules/default-browser/node_modules/is-stream": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-3.0.0.tgz",
+      "integrity": "sha512-LnQR4bZ9IADDRSkvpqMGvt/tEJWclzklNgSw48V5EAaAeDd6qGvN8ei6k5p0tvxSR171VmGyHuTiAOfxAbr8kA==",
+      "dev": true,
+      "engines": {
+        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/default-browser/node_modules/mimic-fn": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-4.0.0.tgz",
+      "integrity": "sha512-vqiC06CuhBTUdZH+RYl8sFrL096vA45Ok5ISO6sE/Mr1jRbGH4Csnhi8f3wKVl7x8mO4Au7Ir9D3Oyv1VYMFJw==",
+      "dev": true,
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/default-browser/node_modules/npm-run-path": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/npm-run-path/-/npm-run-path-5.1.0.tgz",
+      "integrity": "sha512-sJOdmRGrY2sjNTRMbSvluQqg+8X7ZK61yvzBEIDhz4f8z1TZFYABsqjjCBd/0PUNE9M6QDgHJXQkGUEm7Q+l9Q==",
+      "dev": true,
+      "dependencies": {
+        "path-key": "^4.0.0"
+      },
+      "engines": {
+        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/default-browser/node_modules/onetime": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/onetime/-/onetime-6.0.0.tgz",
+      "integrity": "sha512-1FlR+gjXK7X+AsAHso35MnyN5KqGwJRi/31ft6x0M194ht7S+rWAvd7PHss9xSKMzE0asv1pyIHaJYq+BbacAQ==",
+      "dev": true,
+      "dependencies": {
+        "mimic-fn": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/default-browser/node_modules/path-key": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/path-key/-/path-key-4.0.0.tgz",
+      "integrity": "sha512-haREypq7xkM7ErfgIyA0z+Bj4AGKlMSdlQE2jvJo6huWD1EdkKYV+G/T4nq0YEF2vgTT8kqMFKo1uHn950r4SQ==",
+      "dev": true,
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/default-browser/node_modules/strip-final-newline": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/strip-final-newline/-/strip-final-newline-3.0.0.tgz",
+      "integrity": "sha512-dOESqjYr96iWYylGObzd39EuNTa5VJxyvVAEm5Jnh7KGo75V43Hk1odPQkNDyXNmUR6k+gEiDVXnjB8HJ3crXw==",
+      "dev": true,
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/define-lazy-prop": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/define-lazy-prop/-/define-lazy-prop-3.0.0.tgz",
+      "integrity": "sha512-N+MeXYoqr3pOgn8xfyRPREN7gHakLYjhsHhWGT3fWAiL4IkAt0iDw14QiiEm2bE30c5XX5q0FtAA3CK5f9/BUg==",
+      "dev": true,
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/detect-newline": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/detect-newline/-/detect-newline-3.1.0.tgz",
@@ -2193,6 +2407,47 @@
         "url": "https://opencollective.com/eslint"
       }
     },
+    "node_modules/eslint-config-prettier": {
+      "version": "9.1.0",
+      "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-9.1.0.tgz",
+      "integrity": "sha512-NSWl5BFQWEPi1j4TjVNItzYV7dZXZ+wP6I6ZhrBGpChQhZRUaElihE9uRRkcbRnNb76UMKDF3r+WTmNcGPKsqw==",
+      "dev": true,
+      "bin": {
+        "eslint-config-prettier": "bin/cli.js"
+      },
+      "peerDependencies": {
+        "eslint": ">=7.0.0"
+      }
+    },
+    "node_modules/eslint-plugin-prettier": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-prettier/-/eslint-plugin-prettier-5.0.1.tgz",
+      "integrity": "sha512-m3u5RnR56asrwV/lDC4GHorlW75DsFfmUcjfCYylTUs85dBRnB7VM6xG8eCMJdeDRnppzmxZVf1GEPJvl1JmNg==",
+      "dev": true,
+      "dependencies": {
+        "prettier-linter-helpers": "^1.0.0",
+        "synckit": "^0.8.5"
+      },
+      "engines": {
+        "node": "^14.18.0 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/prettier"
+      },
+      "peerDependencies": {
+        "@types/eslint": ">=8.0.0",
+        "eslint": ">=8.0.0",
+        "prettier": ">=3.0.0"
+      },
+      "peerDependenciesMeta": {
+        "@types/eslint": {
+          "optional": true
+        },
+        "eslint-config-prettier": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/eslint-scope": {
       "version": "7.2.2",
       "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-7.2.2.tgz",
@@ -2448,6 +2703,12 @@
       "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
       "dev": true
     },
+    "node_modules/fast-diff": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/fast-diff/-/fast-diff-1.3.0.tgz",
+      "integrity": "sha512-VxPP4NqbUjj6MaAOafWeUn2cXWLcCtljklUtZf0Ind4XQ+QPtmA0b18zZy0jIQx+ExRVCR/ZQpBmik5lXshNsw==",
+      "dev": true
+    },
     "node_modules/fast-glob": {
       "version": "3.3.2",
       "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-3.3.2.tgz",
@@ -2821,6 +3082,21 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/is-docker": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/is-docker/-/is-docker-3.0.0.tgz",
+      "integrity": "sha512-eljcgEDlEns/7AXFosB5K/2nCM4P7FQPkGc/DWLy5rmFEWvZayGrik1d9/QIY5nJ4f9YsVvBkA6kJpHn9rISdQ==",
+      "dev": true,
+      "bin": {
+        "is-docker": "cli.js"
+      },
+      "engines": {
+        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/is-extglob": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
@@ -2860,6 +3136,24 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/is-inside-container": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/is-inside-container/-/is-inside-container-1.0.0.tgz",
+      "integrity": "sha512-KIYLCCJghfHZxqjYBE7rEy0OBuTd5xCHS7tHVgvCLkx7StIoaxwNW3hCALgEUjFfeRk+MG/Qxmp/vtETEF3tRA==",
+      "dev": true,
+      "dependencies": {
+        "is-docker": "^3.0.0"
+      },
+      "bin": {
+        "is-inside-container": "cli.js"
+      },
+      "engines": {
+        "node": ">=14.16"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/is-number": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
@@ -2889,6 +3183,33 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/is-wsl": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/is-wsl/-/is-wsl-2.2.0.tgz",
+      "integrity": "sha512-fKzAra0rGJUUBwGBgNkHZuToZcn+TtXHpeCgmkMJMMYx1sQDYaCSyjJBSCa2nH1DGm7s3n1oBnohoVTBaN7Lww==",
+      "dev": true,
+      "dependencies": {
+        "is-docker": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/is-wsl/node_modules/is-docker": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/is-docker/-/is-docker-2.2.1.tgz",
+      "integrity": "sha512-F+i2BKsFrH66iaUFc0woD8sLy8getkwTwtOBjvs56Cx4CgJDeKQeqfz8wAYiSb8JOprWhHH5p77PbmYCvvUuXQ==",
+      "dev": true,
+      "bin": {
+        "is-docker": "cli.js"
+      },
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/isexe": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
@@ -3866,6 +4187,24 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/open": {
+      "version": "9.1.0",
+      "resolved": "https://registry.npmjs.org/open/-/open-9.1.0.tgz",
+      "integrity": "sha512-OS+QTnw1/4vrf+9hh1jc1jnYjzSG4ttTBB8UxOwAnInG3Uo4ssetzC1ihqaIHjLJnA5GGlRl6QlZXOTQhRBUvg==",
+      "dev": true,
+      "dependencies": {
+        "default-browser": "^4.0.0",
+        "define-lazy-prop": "^3.0.0",
+        "is-inside-container": "^1.0.0",
+        "is-wsl": "^2.2.0"
+      },
+      "engines": {
+        "node": ">=14.16"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/optionator": {
       "version": "0.9.3",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.9.3.tgz",
@@ -4061,6 +4400,18 @@
         "url": "https://github.com/prettier/prettier?sponsor=1"
       }
     },
+    "node_modules/prettier-linter-helpers": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/prettier-linter-helpers/-/prettier-linter-helpers-1.0.0.tgz",
+      "integrity": "sha512-GbK2cP9nraSSUF9N2XwUwqfzlAFlMNYYl+ShE/V+H8a9uNl/oUqB1w2EL54Jh0OlyRSd8RfWYJ3coVS4TROP2w==",
+      "dev": true,
+      "dependencies": {
+        "fast-diff": "^1.1.2"
+      },
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
     "node_modules/pretty-format": {
       "version": "29.7.0",
       "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-29.7.0.tgz",
@@ -4228,6 +4579,21 @@
         "url": "https://github.com/sponsors/isaacs"
       }
     },
+    "node_modules/run-applescript": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/run-applescript/-/run-applescript-5.0.0.tgz",
+      "integrity": "sha512-XcT5rBksx1QdIhlFOCtgZkB99ZEouFZ1E2Kc2LHqNW13U3/74YGdkQRmThTwxy4QIyookibDKYZOPqX//6BlAg==",
+      "dev": true,
+      "dependencies": {
+        "execa": "^5.0.0"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/run-parallel": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/run-parallel/-/run-parallel-1.2.0.tgz",
@@ -4426,6 +4792,22 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/synckit": {
+      "version": "0.8.6",
+      "resolved": "https://registry.npmjs.org/synckit/-/synckit-0.8.6.tgz",
+      "integrity": "sha512-laHF2savN6sMeHCjLRkheIU4wo3Zg9Ln5YOjOo7sZ5dVQW8yF5pPE5SIw1dsPhq3TRp1jisKRCdPhfs/1WMqDA==",
+      "dev": true,
+      "dependencies": {
+        "@pkgr/utils": "^2.4.2",
+        "tslib": "^2.6.2"
+      },
+      "engines": {
+        "node": "^14.18.0 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/unts"
+      }
+    },
     "node_modules/test-exclude": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/test-exclude/-/test-exclude-6.0.0.tgz",
@@ -4445,6 +4827,18 @@
       "integrity": "sha512-N+8UisAXDGk8PFXP4HAzVR9nbfmVJ3zYLAWiTIoqC5v5isinhr+r5uaO8+7r3BMfuNIufIsA7RdpVgacC2cSpw==",
       "dev": true
     },
+    "node_modules/titleize": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/titleize/-/titleize-3.0.0.tgz",
+      "integrity": "sha512-KxVu8EYHDPBdUYdKZdKtU2aj2XfEx9AfjXxE/Aj0vT06w2icA09Vus1rh6eSu1y01akYg6BjIK/hxyLJINoMLQ==",
+      "dev": true,
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/tmpl": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/tmpl/-/tmpl-1.0.5.tgz",
@@ -4481,6 +4875,12 @@
         "typescript": ">=4.2.0"
       }
     },
+    "node_modules/tslib": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
+      "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q==",
+      "dev": true
+    },
     "node_modules/type-check": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
@@ -4531,6 +4931,15 @@
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
       "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA=="
     },
+    "node_modules/untildify": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/untildify/-/untildify-4.0.0.tgz",
+      "integrity": "sha512-KK8xQ1mkzZeg9inewmFVDNkg3l5LUhoq9kN6iWYB/CC9YMG8HA+c1Q8HwDe6dEX7kErrEVNVBO3fWsVq5iDgtw==",
+      "dev": true,
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/update-browserslist-db": {
       "version": "1.0.13",
       "resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.0.13.tgz",
diff --git a/package.json b/package.json
index 50e9d30..79a7cf8 100644
--- a/package.json
+++ b/package.json
@@ -29,9 +29,11 @@
     "@typescript-eslint/eslint-plugin": "^6.13.2",
     "@typescript-eslint/parser": "^6.13.2",
     "eslint": "^8.55.0",
+    "eslint-config-prettier": "^9.1.0",
+    "eslint-plugin-prettier": "^5.0.1",
     "jest": "^29.7.0",
-    "typescript": "^5.3.2",
-    "prettier": "^3.1.0"
+    "prettier": "^3.1.0",
+    "typescript": "^5.3.2"
   },
   "dependencies": {
     "@jest/globals": "^29.7.0"
diff --git a/src/synopt-parse.test.ts b/src/synopt-parse.test.ts
index d0d4ed6..b399317 100644
--- a/src/synopt-parse.test.ts
+++ b/src/synopt-parse.test.ts
@@ -10,12 +10,13 @@ beforeEach(() => {
 test("parse successfully", () => {
   synopt.option("--name");
   const { options, ok } = synopt.parse(["--name", "Test-1"]);
+  expect(ok).toBe(true);
   expect(options).toEqual({ name: "Test-1" });
 });
 
 test("all options are optional", () => {
   synopt.option("--name").option("--flag", { boolean: true });
-  const { options, ok, error } = synopt.parse([]);
+  const { options, ok } = synopt.parse([]);
   expect(ok).toBe(true);
   expect(options).toEqual({});
 });
diff --git a/src/synopt.ts b/src/synopt.ts
index 9aa1c46..1653c91 100644
--- a/src/synopt.ts
+++ b/src/synopt.ts
@@ -44,7 +44,7 @@ type Result<T> = OkResult<T> | ErrorResult;
 
 const Ok = <T>(options: T): OkResult<T> => ({ ok: true, options });
 
-const Err = <T>(error: string): ErrorResult => ({
+const Err = (error: string): ErrorResult => ({
   ok: false,
   error,
 });
@@ -66,7 +66,6 @@ const parseDeclaration = (declaration: DeclarationTuple): OptionDeclaration => {
 
   while (decl.length > 0) {
     const elem = decl.pop();
-    console.log(decl.length, elem); ////
     if (decl.length === 0 && typeof elem === "object") {
       if ((elem as DeclarationOptions).boolean === true) {
         option.boolean = true;
@@ -76,7 +75,7 @@ const parseDeclaration = (declaration: DeclarationTuple): OptionDeclaration => {
       if (reShort.test(str)) {
         option.short = str;
       } else if (reLong.test(str)) {
-        const [_all, long, name, _ignore, argname] = str.match(reLong);
+        const [, long, name, , argname] = str.match(reLong);
         option.long = long;
         option.argname = argname || name.toUpperCase();
         option.name = name;
@@ -189,8 +188,8 @@ const createCommand = (name?: string): Command => {
 
       return [
         `Usage: ${state.name || "SCRIPT_NAME"} [options]`,
-        ...(!!state.summary ? ["", state.summary] : []),
-        ...(!!state.description ? ["", state.description] : []),
+        ...(state.summary ? ["", state.summary] : []),
+        ...(state.description ? ["", state.description] : []),
         "",
         ...optionHelpLines,
       ].join("\n");