40 lines
1.2 KiB
TypeScript
40 lines
1.2 KiB
TypeScript
 
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const PERSIAN_DIGITS = '۰۱۲۳۴۵۶۷۸۹';
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const ARABIC_DIGITS = '٠١٢٣٤٥٦٧٨٩';
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const INVISIBLE_CHARS = /[\u200c\u200d\u202a-\u202e\ufeff]/g;
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export const IRAN_MOBILE_REGEX = /^09\d{9}$/;
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function toAsciiDigits(value: string): string {
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return value.replace(/[۰-۹٠-٩]/g, (ch) => {
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const persian = PERSIAN_DIGITS.indexOf(ch);
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if (persian >= 0) return String(persian);
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const arabic = ARABIC_DIGITS.indexOf(ch);
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if (arabic >= 0) return String(arabic);
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return ch;
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});
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}
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/** Normalize Iranian mobile to 09xxxxxxxxx (11 digits). */
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export function normalizeIranMobile(raw: string): string {
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let mobile = toAsciiDigits(String(raw ?? '').trim());
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mobile = mobile.replace(INVISIBLE_CHARS, '');
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let digits = mobile.replace(/\D/g, '');
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if (!digits) return '';
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if (digits.startsWith('0098')) {
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digits = digits.slice(2);
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}
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if (digits.startsWith('98') && digits.length >= 12) {
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digits = `0${digits.slice(2)}`;
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} else if (digits.startsWith('9') && digits.length === 10) {
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digits = `0${digits}`;
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}
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return digits;
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}
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export function isValidIranMobile(mobile: string): boolean {
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return IRAN_MOBILE_REGEX.test(mobile);
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}
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