79 lines
3.3 KiB
TypeScript
79 lines
3.3 KiB
TypeScript
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/**
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* Zod schemas wrapping the i18n primitives. Used by route handlers
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* and form-level validation so the same rules run client + server.
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*/
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import { z } from 'zod';
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import { ISO_COUNTRIES } from '@/lib/i18n/countries';
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import { isValidE164 } from '@/lib/i18n/phone';
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import { isValidSubdivisionCode } from '@/lib/i18n/subdivisions';
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// ─── Country ──────────────────────────────────────────────────────────────────
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/** ISO-3166-1 alpha-2, uppercase. */
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export const countryIsoSchema = z
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.string()
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.length(2)
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.toUpperCase()
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.refine((c) => ISO_COUNTRIES.has(c), 'Unknown country code');
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// ─── Phone ────────────────────────────────────────────────────────────────────
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/** E.164 form, e.g. '+442079460958'. */
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export const phoneE164Schema = z
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.string()
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.min(1)
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.refine((v) => isValidE164(v), 'Invalid phone number');
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// ─── Timezone ─────────────────────────────────────────────────────────────────
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/**
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* IANA timezone (e.g. 'Europe/Warsaw'). Validates against
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* `Intl.supportedValuesOf('timeZone')` when available. Older Node
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* runtimes that lack the API fall back to a permissive shape check
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* (`Region/City`) so the validator never blocks the path.
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*/
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export const ianaTimezoneSchema = z
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.string()
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.min(1)
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.refine((tz) => {
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if (typeof Intl !== 'undefined' && 'supportedValuesOf' in Intl) {
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try {
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const supported = Intl.supportedValuesOf('timeZone') as string[];
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if (supported.length > 0) return supported.includes(tz);
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} catch {
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// fall through
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}
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}
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return /^[A-Z][A-Za-z_+-]+\/[A-Za-z_+-]+/.test(tz);
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}, 'Unknown timezone');
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// ─── Subdivision ──────────────────────────────────────────────────────────────
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/** ISO 3166-2 code, e.g. 'PL-MZ'. */
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export const subdivisionIsoSchema = z
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.string()
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.min(2)
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.refine((code) => isValidSubdivisionCode(code), 'Unknown subdivision code');
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// ─── Optional variants ────────────────────────────────────────────────────────
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// Inline forms most callers will use — empty strings normalize to null
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// so the user clearing a field doesn't fail validation.
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export const optionalCountryIsoSchema = z
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.union([z.literal(''), z.null(), countryIsoSchema])
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.transform((v) => (v === '' || v === null ? null : v));
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export const optionalPhoneE164Schema = z
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.union([z.literal(''), z.null(), phoneE164Schema])
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.transform((v) => (v === '' || v === null ? null : v));
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export const optionalIanaTimezoneSchema = z
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.union([z.literal(''), z.null(), ianaTimezoneSchema])
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.transform((v) => (v === '' || v === null ? null : v));
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export const optionalSubdivisionIsoSchema = z
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.union([z.literal(''), z.null(), subdivisionIsoSchema])
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.transform((v) => (v === '' || v === null ? null : v));
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