diff --git a/package.json b/package.json
index 88b6921..769faad 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,10 @@
   "type": "module",
   "main": "src/headless.js",
   "scripts": {
-    "build": "yarn setup && yarn build-headless && yarn build-server",
+    "build": "yarn clean && yarn setup && yarn build-headless && yarn build-server",
+    "clean": "run-script-os",
+    "clean:linux:darwin": "rm -rf ./build",
+    "clean:win32": "rmdir /s /q build",
     "build-headless": "yarn build-headless-conway && yarn build-headless-webifc",
     "build-server": "yarn build-server-conway && yarn build-server-webifc",
     "build-headless-conway": "node esbuild/headless.esbuild.js",
diff --git a/yarn.lock b/yarn.lock
index a2ddbed..fcfe3a6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4847,6 +4847,11 @@ run-async@^2.4.0:
   resolved "https://registry.npmjs.org/run-async/-/run-async-2.4.1.tgz"
   integrity sha512-tvVnVv01b8c1RrA6Ep7JkStj85Guv/YrMcwqYQnwjsAS2cTmmPGBBjAjpCW7RrSodNSoE2/qg9O4bceNvUuDgQ==
 
+run-script-os@^1.1.6:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/run-script-os/-/run-script-os-1.1.6.tgz#8b0177fb1b54c99a670f95c7fdc54f18b9c72347"
+  integrity sha512-ql6P2LzhBTTDfzKts+Qo4H94VUKpxKDFz6QxxwaUZN0mwvi7L3lpOI7BqPCq7lgDh3XLl0dpeXwfcVIitlrYrw==
+
 rxjs@^7.5.5:
   version "7.8.1"
   resolved "https://registry.npmjs.org/rxjs/-/rxjs-7.8.1.tgz"
@@ -5090,16 +5095,7 @@ string-length@^4.0.1:
     char-regex "^1.0.2"
     strip-ansi "^6.0.0"
 
-"string-width-cjs@npm:string-width@^4.2.0":
-  version "4.2.3"
-  resolved "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz"
-  integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
-  dependencies:
-    emoji-regex "^8.0.0"
-    is-fullwidth-code-point "^3.0.0"
-    strip-ansi "^6.0.1"
-
-"string-width@^1.0.2 || 2 || 3 || 4", string-width@^4.1.0, string-width@^4.2.0, string-width@^4.2.3:
+"string-width-cjs@npm:string-width@^4.2.0", "string-width@^1.0.2 || 2 || 3 || 4", string-width@^4.1.0, string-width@^4.2.0, string-width@^4.2.3:
   version "4.2.3"
   resolved "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz"
   integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
@@ -5129,14 +5125,7 @@ string_decoder@~0.10.x:
   resolved "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz"
   integrity sha512-ev2QzSzWPYmy9GuqfIVildA4OdcGLeFZQrq5ys6RtiuF+RQQiZWr8TZNyAcuVXyQRYfEO+MsoB/1BuQVhOJuoQ==
 
-"strip-ansi-cjs@npm:strip-ansi@^6.0.1":
-  version "6.0.1"
-  resolved "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz"
-  integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
-  dependencies:
-    ansi-regex "^5.0.1"
-
-strip-ansi@^6.0.0, strip-ansi@^6.0.1:
+"strip-ansi-cjs@npm:strip-ansi@^6.0.1", strip-ansi@^6.0.0, strip-ansi@^6.0.1:
   version "6.0.1"
   resolved "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz"
   integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
@@ -5604,7 +5593,7 @@ winston@^3.11.0:
     triple-beam "^1.3.0"
     winston-transport "^4.5.0"
 
-"wrap-ansi-cjs@npm:wrap-ansi@^7.0.0":
+"wrap-ansi-cjs@npm:wrap-ansi@^7.0.0", wrap-ansi@^7.0.0:
   version "7.0.0"
   resolved "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz"
   integrity sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==
@@ -5622,15 +5611,6 @@ wrap-ansi@^6.0.1:
     string-width "^4.1.0"
     strip-ansi "^6.0.0"
 
-wrap-ansi@^7.0.0:
-  version "7.0.0"
-  resolved "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz"
-  integrity sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==
-  dependencies:
-    ansi-styles "^4.0.0"
-    string-width "^4.1.0"
-    strip-ansi "^6.0.0"
-
 wrap-ansi@^8.1.0:
   version "8.1.0"
   resolved "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-8.1.0.tgz"