build: fix dir in build-pwa.py

build-pwa.py

@@ -2,11 +2,16 @@
 from base64 import b64encode as b64
 import requests
 import sys
+import os
 
 title = 'Coco Battle Royale II'
 input = './bin/cocobattleroyale.nes'
 output = './html/usa.html'
 
+
+if not os.path.exists('html'): 
+    os.mkdir('html')
+
 if '--jap' in sys.argv:
     title = 'Kokobatoru 2'
     input = './bin/kokobatoru.nes'
@@ -17,7 +22,7 @@
         cdn = 'https://cdn.jsdelivr.net/gh/takahirox/[email protected]/build'
         with requests.get(f'{cdn}/{file_name}', stream=True) as download:
             file_name = file_name.replace(r'.min.js', '.js')
-            open(f'./html/{file_name}', "x").write(download.text)
+            open(f'./html/{file_name}', "w+").write(download.text)
 
 rom = b64(open(input, "rb").read()).decode()
 html = open("./res/index.html", "r").read()