function proxyFromConfigURL()

in src/index.ts [230:249]

• 20 lines of code
• 7 McCabe index (conditional complexity)

function proxyFromConfigURL(configURL: string | undefined) {
	if (!configURL) {
		return undefined;
	}
	const url = (configURL || '').trim();
	const i = url.indexOf('://');
	if (i === -1) {
		return undefined;
	}
	const scheme = url.substr(0, i).toLowerCase();
	const proxy = url.substr(i + 3);
	if (scheme === 'http') {
		return 'PROXY ' + proxy;
	} else if (scheme === 'https') {
		return 'HTTPS ' + proxy;
	} else if (scheme === 'socks') {
		return 'SOCKS ' + proxy;
	}
	return undefined;
}