wehub-resource-sync
64 lines
1.6 KiB
TypeScript
64 lines
1.6 KiB
TypeScript
export interface DomainValidationResult {
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valid: boolean;
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message?: string;
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}
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export function normalizeDomain(domain: string): string {
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return domain.replace(/^https?:\/\//, '').replace(/\/$/, '');
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}
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export function isDnsDomain(domain: string): boolean {
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return normalizeDomain(domain).includes('.');
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}
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export function validateDnsDomain(domain: string): DomainValidationResult {
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const cleanDomain = normalizeDomain(domain);
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const domainRegex =
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/^[a-zA-Z0-9][a-zA-Z0-9-]*(\.[a-zA-Z0-9][a-zA-Z0-9-]*)*\.[a-zA-Z]{2,}$/;
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const parts = cleanDomain.split('.');
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if (parts.length < 2) {
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return {
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valid: false,
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message:
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'Invalid domain format. Please enter a complete domain (e.g., example.com)',
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};
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}
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for (const part of parts) {
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if (part.length === 0) {
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return {
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valid: false,
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message: 'Invalid domain format. Consecutive dots are not allowed',
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};
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}
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if (part.length > 63) {
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return {
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valid: false,
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message:
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'Invalid domain format. Each label must be 63 characters or less',
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};
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}
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if (!/^[a-zA-Z0-9-]+$/.test(part)) {
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return {
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valid: false,
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message:
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'Invalid domain format. Domains can only contain letters, numbers, and hyphens',
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};
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}
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if (/^-|-$/.test(part)) {
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return {
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valid: false,
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message:
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'Invalid domain format. Labels cannot start or end with hyphens',
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};
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}
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}
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if (!domainRegex.test(cleanDomain)) {
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return { valid: false, message: 'Invalid domain format' };
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}
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return { valid: true };
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}
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