webdev-power-kit/dist/browser/network/connection-info/index.js

A powerful toolkit that simplifies access to browser features like clipboard, notifications, battery, vibration, and more — perfect for modern web developers.

/**
 * @fileoverview Get browser network connection details using the Network Information API.
 * Provides type, speed estimate, save-data preference, etc.
 */
/**
 * Returns current network connection information.
 * Falls back gracefully if API is not supported.
 *
 * @returns An object with network type, speed, and flags.
 */
export function getConnectionInfo() {
    const nav = navigator;
    if (!nav.connection) {
        return {
            isSupported: false
        };
    }
    const connection = nav.connection;
    return {
        type: connection.type ?? undefined,
        effectiveType: connection.effectiveType ?? undefined,
        downlink: connection.downlink ?? undefined,
        rtt: connection.rtt ?? undefined,
        saveData: connection.saveData ?? undefined,
        isSupported: true
    };
}