src/definitions/Browser.js

import {browserDetails, browserShim} from 'webrtc-adapter';
import Webcom from 'webcom/webcom';

/**
 * The current browser's infos
 * @typedef {Object} Browser
 * @property {string} name - current browser's name
 * @property {number} [version] - current browser's version
 * @property {number} [minVersion] - current browser's minimum supported version
 * @property {boolean} compatible - is current browser supported ?
 */
export const browser = Object.assign({
	compatible: !/\s/.test(browserDetails.browser) &&
		(!browserDetails.minVersion || browserDetails.version >= browserDetails.minVersion)
}, browserDetails);

const version = `Reach v${SDK_VERSION} | Schema ${SCHEMA_VERSION} | Webcom v${Webcom.SDK_VERSION}`;
let message = '';
if(browser.version === null) {
	message = 'Unsupported browser: browser must support WebRTC Peer-to-peer connections to use Reach';
} else if (browser.minVersion && browser.minVersion > browser.version) {
	message = `Unsupported browser: browser is outdated, update to latest version (${browser.minVersion}+)`;
} else if(!browserShim){
	message = 'No shim for your browser. There might a problem with your package.';
}

// Log browser status & SDKs versions on load
let args = [`${version} ${message}`];
if(/^(chrome|firefox)$/.test(browser.browser)) {
	args = [
		`%c ${version} %c ${message}`,
		`background: ${browser.compatible ? '#f50' : 'red'}; color: #fff; font-weight: bold`,
		`color: ${browser.compatible ? 'inherit' : 'red'}`
	];
}
console.log(...args);