unified-video-framework
Version:
Cross-platform video player framework supporting iOS, Android, Web, Smart TVs (Samsung/LG), Roku, and more
184 lines • 6.38 kB
JavaScript
export class DeviceDetection {
static getInstance() {
if (!DeviceDetection.instance) {
DeviceDetection.instance = new DeviceDetection();
}
return DeviceDetection.instance;
}
detectDevice() {
const userAgent = this.getUserAgent();
return {
deviceType: this.getDeviceType(userAgent),
os: this.getOS(userAgent),
osVersion: this.getOSVersion(userAgent),
browser: this.getBrowser(userAgent),
browserVersion: this.getBrowserVersion(userAgent),
screen: this.getScreenInfo(),
userAgent,
isMobile: this.isMobile(userAgent),
isTablet: this.isTablet(userAgent),
isDesktop: this.isDesktop(userAgent),
isSmartTV: this.isSmartTV(userAgent),
isTizen: this.isTizen(userAgent),
isWebOS: this.isWebOS(userAgent),
isRoku: this.isRoku(userAgent)
};
}
getDeviceInfo() {
const detection = this.detectDevice();
return {
deviceType: detection.deviceType,
os: detection.os,
osVersion: detection.osVersion,
browser: detection.browser,
browserVersion: detection.browserVersion,
screen: detection.screen,
userAgent: detection.userAgent,
language: this.getLanguage(),
timezone: this.getTimezone()
};
}
getNetworkInfo() {
const connection = this.getConnection();
return {
connectionType: connection?.type,
effectiveType: connection?.effectiveType,
downlink: connection?.downlink,
rtt: connection?.rtt,
online: navigator?.onLine ?? true
};
}
getUserAgent() {
return typeof navigator !== 'undefined' ? navigator.userAgent : '';
}
getDeviceType(userAgent) {
if (this.isSmartTV(userAgent))
return 'smart_tv';
if (this.isMobile(userAgent))
return 'mobile';
if (this.isTablet(userAgent))
return 'tablet';
return 'desktop';
}
getOS(userAgent) {
if (/Windows NT/i.test(userAgent))
return 'Windows';
if (/Mac OS X/i.test(userAgent))
return 'macOS';
if (/Linux/i.test(userAgent))
return 'Linux';
if (/Android/i.test(userAgent))
return 'Android';
if (/iPhone|iPad|iPod/i.test(userAgent))
return 'iOS';
if (/Tizen/i.test(userAgent))
return 'Tizen';
if (/webOS/i.test(userAgent))
return 'webOS';
if (/Roku/i.test(userAgent))
return 'Roku';
return 'Unknown';
}
getOSVersion(userAgent) {
let match;
match = userAgent.match(/Windows NT ([\d.]+)/);
if (match)
return match[1];
match = userAgent.match(/Mac OS X ([\d_]+)/);
if (match)
return match[1].replace(/_/g, '.');
match = userAgent.match(/OS ([\d_]+)/);
if (match)
return match[1].replace(/_/g, '.');
match = userAgent.match(/Android ([\d.]+)/);
if (match)
return match[1];
match = userAgent.match(/Tizen ([\d.]+)/);
if (match)
return match[1];
return undefined;
}
getBrowser(userAgent) {
if (/Chrome/i.test(userAgent) && !/Edge/i.test(userAgent))
return 'Chrome';
if (/Firefox/i.test(userAgent))
return 'Firefox';
if (/Safari/i.test(userAgent) && !/Chrome/i.test(userAgent))
return 'Safari';
if (/Edge/i.test(userAgent))
return 'Edge';
if (/Opera/i.test(userAgent))
return 'Opera';
if (/Samsung/i.test(userAgent))
return 'Samsung Internet';
return undefined;
}
getBrowserVersion(userAgent) {
let match;
match = userAgent.match(/Chrome\/([\d.]+)/);
if (match && !/Edge/i.test(userAgent))
return match[1];
match = userAgent.match(/Firefox\/([\d.]+)/);
if (match)
return match[1];
match = userAgent.match(/Version\/([\d.]+).*Safari/);
if (match)
return match[1];
match = userAgent.match(/Edge\/([\d.]+)/);
if (match)
return match[1];
match = userAgent.match(/Opera.*Version\/([\d.]+)/);
if (match)
return match[1];
return undefined;
}
getScreenInfo() {
if (typeof window === 'undefined' || !window.screen) {
return { width: 1920, height: 1080 };
}
const orientation = window.screen.width > window.screen.height ? 'landscape' : 'portrait';
return {
width: window.screen.width,
height: window.screen.height,
orientation
};
}
getLanguage() {
if (typeof navigator === 'undefined')
return 'en-US';
return navigator.language || 'en-US';
}
getTimezone() {
if (typeof Intl === 'undefined')
return 'UTC';
return Intl.DateTimeFormat().resolvedOptions().timeZone || 'UTC';
}
getConnection() {
if (typeof navigator === 'undefined')
return null;
return navigator.connection || navigator.mozConnection || navigator.webkitConnection;
}
isMobile(userAgent) {
return /Android|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(userAgent);
}
isTablet(userAgent) {
return /iPad|Android.*(?!.*Mobile)/i.test(userAgent);
}
isDesktop(userAgent) {
return !this.isMobile(userAgent) && !this.isSmartTV(userAgent);
}
isSmartTV(userAgent) {
return /Smart.*TV|Tizen|webOS|Roku|PlayStation|Xbox/i.test(userAgent);
}
isTizen(userAgent) {
return /Tizen/i.test(userAgent);
}
isWebOS(userAgent) {
return /webOS/i.test(userAgent);
}
isRoku(userAgent) {
return /Roku/i.test(userAgent);
}
}
export const deviceDetection = DeviceDetection.getInstance();
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