supabase/apps/studio/pages/api/profile/password-check.ts

import { NextApiRequest, NextApiResponse } from 'next'
import zxcvbn from 'zxcvbn'
import apiWrapper from 'lib/api/apiWrapper'

export default (req: NextApiRequest, res: NextApiResponse) => apiWrapper(req, res, handler)

async function handler(req: NextApiRequest, res: NextApiResponse) {
  const { method } = req

  switch (method) {
    case 'POST':
      return handlePost(req, res)
    default:
      res.setHeader('Allow', ['POST'])
      res.status(405).json({ data: null, error: { message: `Method ${method} Not Allowed` } })
  }
}

const handlePost = async (req: NextApiRequest, res: NextApiResponse) => {
  const { body } = req
  const result = zxcvbn(body.password)
  return res.status(200).json({ result })
}