sinProject-Inc/talk

/// <reference types="user-agent-data-types" />

export enum OS {
    mac_os = 'Mac OS',
    windows = 'Windows',
    ios = 'iOS',
    android = 'Android',
    linux = 'Linux',
    unknown = 'unknown',
}

export class OSInfo {
    private static readonly _macos_platforms = [
        'Macintosh',
        'MacIntel',
        'MacPPC',
        'Mac68K',
        'Mac',
        'macOS',
    ]

    private static readonly _windows_platforms = ['Win32', 'Win64', 'Windows', 'WinCE']
    private static readonly _ios_platforms = ['iPhone', 'iPad', 'iPod']

    public static get_os(): OS {
        const user_agent = window.navigator.userAgent
        const platform = navigator?.userAgentData?.platform || navigator?.platform

        if (this._macos_platforms.includes(platform)) {
            return OS.mac_os
        }

        if (this._ios_platforms.includes(platform)) {
            return OS.ios
        }

        if (this._windows_platforms.includes(platform)) {
            return OS.windows
        }

        if (/Android/.test(user_agent)) {
            return OS.android
        }

        if (/Linux/.test(platform)) {
            return OS.linux
        }

        return OS.unknown
    }

    public static is_mac_or_ios(): boolean {
        const os = OSInfo.get_os()

        return os === OS.mac_os || os === OS.ios
    }
}