crawler

crawler.js

const api = 'https://www.autodoc.es/ajax/selector/car_selector.json'

/*
  error throws an error with a provided `msg`
*/
function error(msg) {
  console.error(`Ha ocurrido un error: ${msg}`)
}

/*
	GetManufacturers using a hardcoded selector.
*/
function getManufacturers() {
	return document.querySelectorAll("optgroup[label='Los fabricantes están en orden alfabético'] > option")
}


async function fetcher(body) {
  try {
    const res = await fetch(api, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/x-www-form-urlencoded',
      },
      body,
    })
    const data = await res.json()
    return JSON.parse(data)
  } catch (err) {
    error(err)
  }
}

/*
  fetch the models for a given manufacturer ID
*/
async function getModelsByManufacturer(id) {
  return await fetcher(`maker_id=${id}&changed=maker`)
}

/*
  fetch type by a given manufacturer ID and model ID
*/
async function getType(makerId, modelId) {
  return await fetcher(`maker_id=${makerId}&model_id=${modelId}&changed=model`)
}

async function crawl() {
  let res = []

  for (let maker of getManufacturers()) {
    
    
  }
}