get-device.js

import { getWindow, getDocument } from 'ssr-window';
import { getSupport } from './get-support.js';

let deviceCalculated;

function calcDevice({ userAgent } = {}) {
  const support = getSupport();
  const window = getWindow();
  const platform = window.navigator.platform;
  const ua = userAgent || window.navigator.userAgent;

  const device = {
    ios: false,
    android: false,
    androidChrome: false,
    desktop: false,
    iphone: false,
    ipod: false,
    ipad: false,
    edge: false,
    ie: false,
    firefox: false,
    macos: false,
    windows: false,
    cordova: !!window.cordova,
    electron: false,
    capacitor: !!window.Capacitor,
    nwjs: false,
  };

  const screenWidth = window.screen.width;
  const screenHeight = window.screen.height;

  const android = ua.match(/(Android);?[\s\/]+([\d.]+)?/); // eslint-disable-line
  let ipad = ua.match(/(iPad).*OS\s([\d_]+)/);
  const ipod = ua.match(/(iPod)(.*OS\s([\d_]+))?/);
  const iphone = !ipad && ua.match(/(iPhone\sOS|iOS|iPhone;\sCPU\sOS)\s([\d_]+)/);
  const ie = ua.indexOf('MSIE ') >= 0 || ua.indexOf('Trident/') >= 0;
  const edge = ua.indexOf('Edge/') >= 0;
  const firefox = ua.indexOf('Gecko/') >= 0 && ua.indexOf('Firefox/') >= 0;
  const windows = platform === 'Win32';
  const electron = ua.toLowerCase().indexOf('electron') >= 0;
  const nwjs =
    typeof nw !== 'undefined' &&
    typeof process !== 'undefined' &&
    typeof process.versions !== 'undefined' &&
    typeof process.versions.nw !== 'undefined';
  let macos = platform === 'MacIntel';

  // iPadOs 13 fix
  const iPadScreens = [
    '1024x1366',
    '1366x1024',
    '834x1194',
    '1194x834',
    '834x1112',
    '1112x834',
    '768x1024',
    '1024x768',
    '820x1180',
    '1180x820',
    '810x1080',
    '1080x810',
  ];
  if (
    !ipad &&
    macos &&
    support.touch &&
    iPadScreens.indexOf(`${screenWidth}x${screenHeight}`) >= 0
  ) {
    ipad = ua.match(/(Version)\/([\d.]+)/);
    if (!ipad) ipad = [0, 1, '13_0_0'];
    macos = false;
  }

  device.ie = ie;
  device.edge = edge;
  device.firefox = firefox;

  // Android
  if (android) {
    device.os = 'android';
    device.osVersion = android[2];
    device.android = true;
    device.androidChrome = ua.toLowerCase().indexOf('chrome') >= 0;
  }
  if (ipad || iphone || ipod) {
    device.os = 'ios';
    device.ios = true;
  }
  // iOS
  if (iphone && !ipod) {
    device.osVersion = iphone[2].replace(/_/g, '.');
    device.iphone = true;
  }
  if (ipad) {
    device.osVersion = ipad[2].replace(/_/g, '.');
    device.ipad = true;
  }
  if (ipod) {
    device.osVersion = ipod[3] ? ipod[3].replace(/_/g, '.') : null;
    device.ipod = true;
  }
  // iOS 8+ changed UA
  if (device.ios && device.osVersion && ua.indexOf('Version/') >= 0) {
    if (device.osVersion.split('.')[0] === '10') {
      device.osVersion = ua.toLowerCase().split('version/')[1].split(' ')[0];
    }
  }

  // Webview
  device.webView =
    !!(
      (iphone || ipad || ipod) &&
      (ua.match(/.*AppleWebKit(?!.*Safari)/i) || window.navigator.standalone)
    ) ||
    (window.matchMedia && window.matchMedia('(display-mode: standalone)').matches);
  device.webview = device.webView;
  device.standalone = device.webView;

  // Desktop
  device.desktop = !(device.ios || device.android) || electron || nwjs;
  if (device.desktop) {
    device.electron = electron;
    device.nwjs = nwjs;
    device.macos = macos;
    device.windows = windows;
    if (device.macos) {
      device.os = 'macos';
    }
    if (device.windows) {
      device.os = 'windows';
    }
  }

  // Pixel Ratio
  device.pixelRatio = window.devicePixelRatio || 1;

  // Color Scheme
  const DARK = '(prefers-color-scheme: dark)';
  const LIGHT = '(prefers-color-scheme: light)';
  device.prefersColorScheme = function prefersColorTheme() {
    let theme;
    if (window.matchMedia && window.matchMedia(LIGHT).matches) {
      theme = 'light';
    }
    if (window.matchMedia && window.matchMedia(DARK).matches) {
      theme = 'dark';
    }
    return theme;
  };

  // Export object
  return device;
}

const IS_BROWSER = (() => {
  const document = getDocument();
  try {
    // eslint-disable-next-line no-restricted-globals
    return Boolean(
      document &&
        document.body &&
        document.body.getBoundingClientRect &&
        document.body.getBoundingClientRect().width > 0,
    );
  } catch (e) {
    return false;
  }
})();

function getDevice(overrides = {}, reset = IS_BROWSER) {
  if (!deviceCalculated || reset) {
    deviceCalculated = calcDevice(overrides);
  }
  return deviceCalculated;
}

export { getDevice };