replace webdriver.io legacy commands with version 5 commands

upgrade-wdio-v5.js

// HOW TO USE IT
// just add a new file to your project directory
// change `BASE_DIR` -if needed-
// run `node upgrade-wdio-v5.js`
// then `git status` to see the changes

const fs = require('fs')

const BASE_DIR = 'ui-test/'

function readDirAsync (path) {
  return new Promise(function (resolve, reject) {
    fs.readdir(path, function (error, result) {
      if (error) {
        reject(error)
      } else {
        resolve(result)
      }
    })
  })
}

const replaceRules = [
  { regex: /browser\.waitForVisible\((\w+)\)/g, replacement: '$($1).waitForDisplayed()' },
  { regex: /browser\.getText\((\w+)\)/g, replacement: '$($1).getText()' },
  { regex: /browser\.getAttribute\((\w+),\s(.+)\)/g, replacement: '$($1).getAttribute($2)' },
  { regex: /browser\.isVisible\((\w+)\)/g, replacement: '$($1).isDisplayed()' },
  { regex: /deleteCookie/g, replacement: 'deleteCookies' },
  { regex: /getCookie/g, replacement: 'getCookies' },
  { regex: /isVisible/g, replacement: 'isDisplayed' }
]

async function replaceOldStuff (dir = BASE_DIR) {
  const dirs = await readDirAsync(dir)
  const excludedFiles = /(yml|png|pdf)/
  for (let i = 0; i < dirs.length; i++) {
    if (dirs[i].endsWith('.js')) {
      const file = fs.readFileSync(dir + dirs[i], 'utf8')
      let result = file
      replaceRules.forEach((rule) => {
        result = result.replace(rule.regex, rule.replacement)
      })
      fs.writeFileSync(dir + dirs[i], result, 'utf8', function (err) {
        if (err) return console.log(err)
      })
    } else if (!excludedFiles.test(dirs[i])) {
      const foundInSub = await replaceOldStuff(dir + dirs[i] + '/')
      if (foundInSub) return true
    }
  }
  return false
}

replaceOldStuff()