ice.fo.utils/screenshot/capturePageScreenshot.js

export default async function capturePageScreenshot ({ $axios }, options = { url: '', selector: '' }) {
  options = Object.assign({
    mode: 'base64',
    windowWidth: 1366,
    imageWidth: options.windowWidth || 1366,
    imageHeight: 768,
  }, options)

  options.selector = options.selector && encodeURIComponent(options.selector)

  const res = await $axios.request({
    url: '/api/ice/take_screenshot',
    params: {
      url: options.url,
      width: options.imageWidth,
      height: options.imageHeight,
    },
    responseType: 'blob',
  })

  switch (options.mode) {
    case 'blob':
      return res
    case 'base64':
    default:
      return new Promise((resolve) => {
        const reader = new window.FileReader()
        reader.readAsDataURL(res.data)
        reader.onload = function () {
          const base64 = reader.result
          resolve(base64)
        }
      })
  }
}