libresolver/dist/util.js

22 lines
657 B
JavaScript

export function getTld(domain) {
if (domain.includes(".")) {
domain = domain.split(".")[domain.split(".").length - 1];
}
return domain;
}
export function getSld(domain) {
if (domain.includes(".")) {
domain = domain
.split(".")
.slice(0, domain.split(".").length - 1)
.join(".");
}
return domain;
}
export function isIp(ip) {
return /^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/.test(ip);
}
export function isDomain(domain) {
return /(?:[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?\.)+[a-z0-9][a-z0-9-]{0,61}[a-z0-9]/.test(domain);
}