microlinkhq / metascraper / 3873014738

'use strict'

const { normalizeUrl, memoizeOne } = require('@metascraper/helpers')

const { map } = require('lodash')

const getPlayerUrl = memoizeOne((url, $) => {

  const playerUrl =

    $('meta[name="twitter:player"]').attr('content') ||

    $('meta[property="twitter:player"]').attr('content')

  return playerUrl === undefined ? undefined : normalizeUrl(url, playerUrl)

}, memoizeOne.EqualityUrlAndHtmlDom)

const playerWidth = $ =>

  $('meta[name="twitter:player:width"]').attr('content') ||

  $('meta[property="twitter:player:width"]').attr('content')

const playerHeight = $ =>

  $('meta[name="twitter:player:height"]').attr('content') ||

  $('meta[property="twitter:player:height"]').attr('content')

const fromTwitter = () => async ({ htmlDom, url, iframe }) => {

  const playerUrl = getPlayerUrl(url, htmlDom)

  const props = map(

    { width: playerWidth(htmlDom), height: playerHeight(htmlDom), ...iframe },

    (value, key) => (value === undefined ? value : `${key}="${value}"`)

  )

    .filter(Boolean)

    .join(' ')

  return `<iframe src="${playerUrl}" frameborder="0" scrolling="no" ${props}></iframe>`

}

fromTwitter.test = (url, $) => getPlayerUrl(url, $) !== undefined

module.exports = fromTwitter

module.exports.getPlayerUrl = getPlayerUrl