function noProxyFromEnv()

in src/index.ts [251:275]

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

function noProxyFromEnv(envValue?: string) {
	const value = (envValue || '')
		.trim()
		.toLowerCase();

	if (value === '*') {
		return () => true;
	}

	const filters = value
		.split(',')
		.map(s => s.trim().split(':', 2))
		.map(([name, port]) => ({ name, port }))
		.filter(filter => !!filter.name)
		.map(({ name, port }) => {
			const domain = name[0] === '.' ? name : `.${name}`;
			return { domain, port };
		});
	if (!filters.length) {
		return () => false;
	}
	return (hostname: string, port: string) => filters.some(({ domain, port: filterPort }) => {
		return `.${hostname.toLowerCase()}`.endsWith(domain) && (!filterPort || port === filterPort);
	});
}