Tg API page passport part parser and generator tool

tg_passport_parser.js

let el = document.getElementById('telegram-passport').parentElement
const code = []
let cls = ''
let comment = ''

while (el.nextElementSibling && el.nextElementSibling.tagName !== 'H3') {
  if (el.nextElementSibling.tagName === 'H4') {
    cls = `${cls}export type ${el.nextElementSibling.innerText}`
  }

  if (el.nextElementSibling.tagName === 'P') {
    comment = comment + `/**${el.nextElementSibling.innerText.replace(/(.{1,72}\s)\s*?/g, '\n * $1')}\n */\n`
    comment = comment.replace(/\n \*\/\n\/\*\*/g, '\n *')
  }

  if (el.nextElementSibling.tagName === 'TABLE') {
    const keys = Array.from(el.nextElementSibling.querySelectorAll('tr:first-child td'))
      .map((td) => td.innerText)
    const values = Array.from(el.nextElementSibling.querySelectorAll('tr:not(:first-child) td'))
      .map((td, idx) => [keys[idx % keys.length].toLowerCase(), td.innerText])
      .reduce((acc, cur, idx) => {
        acc[parseInt(idx / keys.length)] = acc[parseInt(idx / keys.length)] || {}
        acc[parseInt(idx / keys.length)][cur[0]] = cur[1]
        return acc
      }, [])

    cls += '\n{\n\n' + values.map((prop) => `  /**${prop.description.replace(/“|”/g, '`').replace(/(.{1,72}\s)\s*?/g, '\n   * $1')}\n   */\n  ${prop.parameters || prop.field}: ${prop.type.replace(/Array of (\w+)/, '$1[]')};\n`).join('\n')

    code.push(`${comment}${cls}\n}\n`)
    cls = ''
    comment = ''
  }

  el = el.nextElementSibling
}

console.log(code.join('\n'))

tg_passport.mp4