45 lines
1.1 KiB
TypeScript
45 lines
1.1 KiB
TypeScript
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/** Canonical Iran mobile: +989XXXXXXXXX */
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export const IR_MOBILE_REGEX = /^\+989\d{9}$/;
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export function normalizeMobile(input: string): string | null {
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const trimmed = input?.trim();
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if (!trimmed) {
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return null;
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}
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let digits = trimmed.replace(/[^\d+]/g, '');
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if (digits.startsWith('+')) {
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digits = digits.slice(1);
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}
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digits = digits.replace(/\D/g, '');
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if (digits.startsWith('0098')) {
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digits = digits.slice(4);
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} else if (digits.startsWith('98') && digits.length >= 12) {
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digits = digits.slice(2);
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}
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if (digits.startsWith('0') && digits.length === 11) {
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digits = digits.slice(1);
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}
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if (digits.length === 10 && digits.startsWith('9')) {
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return `+98${digits}`;
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}
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return null;
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}
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export function isValidMobile(normalized: string): boolean {
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return IR_MOBILE_REGEX.test(normalized);
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}
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export function formatMobileForDisplay(normalized: string): string {
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if (!isValidMobile(normalized)) {
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return normalized;
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}
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const local = `0${normalized.slice(3)}`;
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return `${local.slice(0, 4)} ${local.slice(4, 7)} ${local.slice(7)}`;
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}
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