ghetto_var_let_replacer.py

#wrap your .js code inside a function and run this, it's ghetto, it's slow, I couldn't care less

import re
import subprocess

failed = 0
success = 0

input = "_via.js"
with open(input, "r") as f:
    content = f.read()
    f.close()
    matches = re.finditer(" var ", content)
    matches_positions = [match.start() for match in matches]
    print(matches_positions)

    last_working_code = content
    for position in matches_positions:
        trying_code = (
            last_working_code[:position] + " let " + last_working_code[position + 5 :]
        )
        with open("test_" + input, "w") as f:
            f.write(trying_code)
            f.close()

        process = subprocess.Popen(f"node.exe ./test_{input}", shell=True)
        process.wait()
        if (process.returncode) == 0:
            success += 1
            last_working_code = trying_code
        else:
            failed += 1
        print(success + failed, "/", len(matches_positions))

    print("Success: " + str(success))
    print("Failed: " + str(failed))