'use strict';
const {
	ERR_HTTP_INVALID_HEADER_VALUE,
	ERR_INVALID_CHAR
} = require('./errors.js');

const isInvalidHeaderValue = /[^\t\u0020-\u007E\u0080-\u00FF]/;

module.exports = (name, value) => {
	if (typeof value === 'undefined') {
		throw new ERR_HTTP_INVALID_HEADER_VALUE(value, name);
	}

	if (isInvalidHeaderValue.test(value)) {
		throw new ERR_INVALID_CHAR('header content', name);
	}
};