diff --git a/package-lock.json b/package-lock.json
index 2d34f23..cc03b0b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,13 +9,15 @@
       "version": "1.0.0",
       "license": "MIT",
       "dependencies": {
+        "@swc/helpers": "^0.5.12",
         "chalk": "^5.3.0",
-        "minecraft-protocol": "^1.26.5"
+        "minecraft-protocol": "^1.26.5",
+        "scripty": "^2.1.1"
       },
       "devDependencies": {
         "@swc/cli": "^0.1.63",
         "@swc/core": "^1.3.102",
-        "@types/node": "^20.10.6",
+        "@types/node": "^20.16.2",
         "@typescript-eslint/eslint-plugin": "^6.17.0",
         "@typescript-eslint/parser": "^6.17.0",
         "eslint": "^8.56.0",
@@ -492,6 +494,15 @@
       "integrity": "sha512-9F4ys4C74eSTEUNndnER3VJ15oru2NumfQxS8geE+f3eB5xvfxpWyqE5XlVnxb/R14uoXi6SLbBwwiDSkv+XEw==",
       "dev": true
     },
+    "node_modules/@swc/helpers": {
+      "version": "0.5.12",
+      "resolved": "https://registry.npmjs.org/@swc/helpers/-/helpers-0.5.12.tgz",
+      "integrity": "sha512-KMZNXiGibsW9kvZAO1Pam2JPTDBm+KSHMMHWdsyI/1DbIZjT2A6Gy3hblVXUMEDvUAKq+e0vL0X0o54owWji7g==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "tslib": "^2.4.0"
+      }
+    },
     "node_modules/@swc/types": {
       "version": "0.1.5",
       "resolved": "https://registry.npmjs.org/@swc/types/-/types-0.1.5.tgz",
@@ -556,11 +567,12 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "20.10.6",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.10.6.tgz",
-      "integrity": "sha512-Vac8H+NlRNNlAmDfGUP7b5h/KA+AtWIzuXy0E6OyP8f1tCLYAtPvKRRDJjAPqhpCb0t6U2j7/xqAuLEebW2kiw==",
+      "version": "20.16.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.16.2.tgz",
+      "integrity": "sha512-91s/n4qUPV/wg8eE9KHYW1kouTfDk2FPGjXbBMfRWP/2vg1rCXNQL1OCabwGs0XSdukuK+MwCDXE30QpSeMUhQ==",
+      "license": "MIT",
       "dependencies": {
-        "undici-types": "~5.26.4"
+        "undici-types": "~6.19.2"
       }
     },
     "node_modules/@types/readable-stream": {
@@ -1045,6 +1057,15 @@
       "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.3.tgz",
       "integrity": "sha512-6i37w/+EhlWlGUJff3T/Q8u1RGmP5wgbiwYnOnbOqvtrPxT63/sYFyP9RcpxtxGymtfA075IvmOnL7ycNOWl3w=="
     },
+    "node_modules/async": {
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
+      "license": "MIT",
+      "dependencies": {
+        "lodash": "^4.17.14"
+      }
+    },
     "node_modules/available-typed-arrays": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/available-typed-arrays/-/available-typed-arrays-1.0.5.tgz",
@@ -1068,8 +1089,7 @@
     "node_modules/balanced-match": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
-      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
-      "dev": true
+      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
     },
     "node_modules/base64-js": {
       "version": "1.5.1",
@@ -1442,8 +1462,7 @@
     "node_modules/concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
-      "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==",
-      "dev": true
+      "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg=="
     },
     "node_modules/content-disposition": {
       "version": "0.5.4",
@@ -2509,8 +2528,7 @@
     "node_modules/fs.realpath": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
-      "integrity": "sha512-OO0pH2lK6a0hZnAdau5ItzHPI6pUlvI7jMVnxUQRtw4owF2wk8lOSabtGDCTP4Ggrg2MbGnWO9X8K1t4+fGMDw==",
-      "dev": true
+      "integrity": "sha512-OO0pH2lK6a0hZnAdau5ItzHPI6pUlvI7jMVnxUQRtw4owF2wk8lOSabtGDCTP4Ggrg2MbGnWO9X8K1t4+fGMDw=="
     },
     "node_modules/fsevents": {
       "version": "2.3.3",
@@ -2618,7 +2636,6 @@
       "version": "7.2.3",
       "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.3.tgz",
       "integrity": "sha512-nFR0zLpU2YCaRxwoCJvL6UvCH2JFyFVIvwTLsIf21AuHlMskA1hhTdk+LlYJtOlYt9v6dvszD2BGRqBL+iQK9Q==",
-      "dev": true,
       "dependencies": {
         "fs.realpath": "^1.0.0",
         "inflight": "^1.0.4",
@@ -2650,7 +2667,6 @@
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
       "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
-      "dev": true,
       "dependencies": {
         "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
@@ -2660,7 +2676,6 @@
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
       "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
-      "dev": true,
       "dependencies": {
         "brace-expansion": "^1.1.7"
       },
@@ -2933,7 +2948,6 @@
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
       "integrity": "sha512-k92I/b08q4wvFscXCLvqfsHCrjrF7yiXsQuIVvVE7N82W3+aqpzuUdBbfhWcy/FZR3/4IgflMgKLOsvPDrGCJA==",
-      "dev": true,
       "dependencies": {
         "once": "^1.3.0",
         "wrappy": "1"
@@ -3373,6 +3387,12 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/lodash": {
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
+      "license": "MIT"
+    },
     "node_modules/lodash.get": {
       "version": "4.4.2",
       "resolved": "https://registry.npmjs.org/lodash.get/-/lodash.get-4.4.2.tgz",
@@ -3817,7 +3837,6 @@
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
       "integrity": "sha512-lNaJgI+2Q5URQBkccEKHTQOPaXdUxnZZElQTZY0MFUAuaEqe1E+Nyvgdz/aIyNi6Z9MzO5dv1H8n58/GELp3+w==",
-      "dev": true,
       "dependencies": {
         "wrappy": "1"
       }
@@ -3939,7 +3958,6 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
       "integrity": "sha512-AVbw3UJ2e9bq64vSaS9Am0fje1Pa8pbGqTTsmXfaIiMpnr5DlDhfJOuLj9Sf95ZPVDAUerDfEk88MPmPe7UCQg==",
-      "dev": true,
       "engines": {
         "node": ">=0.10.0"
       }
@@ -4256,6 +4274,18 @@
         "node": ">=4"
       }
     },
+    "node_modules/resolve-pkg": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/resolve-pkg/-/resolve-pkg-1.0.0.tgz",
+      "integrity": "sha512-L0/+vjdV3UjcQaXRlQcObpCyySS8GEqVNYGYRDAGlYOcw4J1y33WMIAD3XvYWIPnBeyN5Ilp5RHoifs3gR1S2g==",
+      "license": "MIT",
+      "dependencies": {
+        "resolve-from": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/resolve-pkg-maps": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/resolve-pkg-maps/-/resolve-pkg-maps-1.0.0.tgz",
@@ -4265,6 +4295,15 @@
         "url": "https://github.com/privatenumber/resolve-pkg-maps?sponsor=1"
       }
     },
+    "node_modules/resolve-pkg/node_modules/resolve-from": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-2.0.0.tgz",
+      "integrity": "sha512-qpFcKaXsq8+oRoLilkwyc7zHGF5i9Q2/25NIgLQQ/+VVv9rU4qvr6nXVAw1DsnXJyQkZsR4Ytfbtg5ehfcUssQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/responselike": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/responselike/-/responselike-2.0.1.tgz",
@@ -4376,6 +4415,21 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/scripty": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/scripty/-/scripty-2.1.1.tgz",
+      "integrity": "sha512-yAutoO7+MfJcc7UAjAOp1CNbAI6GhxXYB63yFLEJe80BY1VkKQWrJ2xrdd57rh/UBnUIKmO31hzKUHWGxIupbA==",
+      "license": "MIT",
+      "dependencies": {
+        "async": "^2.6.4",
+        "glob": "^7.0.3",
+        "lodash": "^4.17.11",
+        "resolve-pkg": "^1.0.0"
+      },
+      "bin": {
+        "scripty": "cli.js"
+      }
+    },
     "node_modules/semver": {
       "version": "7.5.4",
       "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.4.tgz",
@@ -4807,6 +4861,12 @@
         "strip-bom": "^3.0.0"
       }
     },
+    "node_modules/tslib": {
+      "version": "2.7.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.7.0.tgz",
+      "integrity": "sha512-gLXCKdN1/j47AiHiOkJN69hJmcbGTHI0ImLmbYLHykhgeN0jVGola9yVjFgzCUklsZQMW55o+dW7IXv3RCXDzA==",
+      "license": "0BSD"
+    },
     "node_modules/type-check": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
@@ -4931,9 +4991,10 @@
       "dev": true
     },
     "node_modules/undici-types": {
-      "version": "5.26.5",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
-      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA=="
+      "version": "6.19.8",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.19.8.tgz",
+      "integrity": "sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw==",
+      "license": "MIT"
     },
     "node_modules/uri-js": {
       "version": "4.4.1",
@@ -5031,8 +5092,7 @@
     "node_modules/wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
-      "dev": true
+      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="
     },
     "node_modules/yallist": {
       "version": "4.0.0",
diff --git a/package.json b/package.json
index 94660ca..29f3a75 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
   "devDependencies": {
     "@swc/cli": "^0.1.63",
     "@swc/core": "^1.3.102",
-    "@types/node": "^20.10.6",
+    "@types/node": "^20.16.2",
     "@typescript-eslint/eslint-plugin": "^6.17.0",
     "@typescript-eslint/parser": "^6.17.0",
     "eslint": "^8.56.0",
@@ -39,7 +39,9 @@
     "typescript": "^5.3.3"
   },
   "dependencies": {
+    "@swc/helpers": "^0.5.12",
     "chalk": "^5.3.0",
-    "minecraft-protocol": "^1.26.5"
+    "minecraft-protocol": "^1.26.5",
+    "scripty": "^2.1.1"
   }
 }
diff --git a/script/copy.sh b/script/copy.sh
index c279dc8..13d6752 100755
--- a/script/copy.sh
+++ b/script/copy.sh
@@ -1,20 +1,11 @@
 #!/usr/bin/env bash
 
-SOURCE=$1
+SOURCE="$1"
 
-if [ -z "$SOURCE" ]
-then
-  SOURCE="src"
-fi
+: ${SOURCE:=src}
 
-# length of "src/" = 4
-TARGET="${SOURCE:4}"
+TARGET="$2"
 
-if [ -z "$TARGET" ]
-then
-  TARGET="."
-fi
-
-TARGET="dist/$TARGET"
+: ${TARGET:=dist}
 
 rsync -rav --exclude="*.ts" $SOURCE/ $TARGET/
diff --git a/script/watch/copy.sh b/script/watch/copy.sh
index a0b76a7..fc74c50 100755
--- a/script/watch/copy.sh
+++ b/script/watch/copy.sh
@@ -1,3 +1,3 @@
 ./script/copy.sh
 
-inotifywait -rm -e CLOSE_WRITE --format "%w" src | stdbuf -o0 sed 's@/$@@' | xargs -n1 -I{} ./script/copy.sh {}
+nodemon --watch src --exec "./script/copy.sh $@"