32 lines
1.2 KiB
TypeScript
32 lines
1.2 KiB
TypeScript
export interface ContactData {
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firstName: string; lastName: string; phone: string;
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email: string; message: string; website: string;
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}
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const EMAIL_RE = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
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function str(v: unknown, max: number): string {
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return typeof v === 'string' ? v.trim().slice(0, max + 1) : '';
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}
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export function validateContact(data: unknown):
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| { ok: true; value: ContactData }
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| { ok: false; error: string } {
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if (typeof data !== 'object' || data === null) return { ok: false, error: 'Dati non validi.' };
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const d = data as Record<string, unknown>;
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const value: ContactData = {
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firstName: str(d.firstName, 100),
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lastName: str(d.lastName, 100),
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phone: str(d.phone, 40),
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email: str(d.email, 200),
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message: str(d.message, 5000),
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website: str(d.website, 200),
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};
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if (value.website) return { ok: false, error: 'Richiesta non valida.' };
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if (!value.firstName) return { ok: false, error: 'Il nome è obbligatorio.' };
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if (!EMAIL_RE.test(value.email)) return { ok: false, error: 'Inserisci una e-mail valida.' };
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if (!value.message) return { ok: false, error: 'Il messaggio è obbligatorio.' };
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if (value.message.length > 5000) return { ok: false, error: 'Messaggio troppo lungo.' };
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return { ok: true, value };
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}
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