import os

os.system('npm run build')
for file in os.listdir('dist'):
    if file.endswith('.vcd'):
        os.remove('dist/' + file)

with open('./dist/index.html', 'r', encoding='utf-8') as fp:
    html = fp.read()

html = html.replace("''", "'<root>'")

with open('./dist/index.html', 'w', encoding='utf-8') as fp:
    fp.write(html)