format-utils/dist/validator.js

Utilities for validating various formats of Indian system codes like Mobile, PAN, AADHAAR, GST and more!

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Validator = void 0;
const luhn_1 = require("./luhn");
const verhoeff_1 = require("./verhoeff");
const vpa_1 = require("./vpa");
class Validator {
    static mobile(value) {
        return /^[6789]\d{9}$/.test(value);
    }
    static pincode(value) {
        return /^[1-9]\d{5}$/.test(value);
    }
    static pan(value) {
        return /^[A-Z]{3}[PCHABGJLFTE][A-Z]\d{4}[A-Z]$/i.test(value);
    }
    static tan(value) {
        return /^[A-Z]{4}\d{5}[A-Z]$/i.test(value);
    }
    static uan(value) {
        return /^\d{12}$/.test(value);
    }
    static ifsc(value) {
        return /^[A-Z]{4}0[A-Z0-9]{6}$/i.test(value);
    }
    static esic(value) {
        return /^\d{17}$/.test(value);
    }
    static imei(value) {
        value = value.replace(/[\s-]+/g, '');
        return /^\d{15}$/.test(value) && luhn_1.Luhn.validate(value);
    }
    static aadhaar(value) {
        value = value.replace(/[\s-]+/g, '');
        return /^[2-9]\d{11}$/.test(value) && verhoeff_1.Verhoeff.validate(value);
    }
    static aadhaarVID(value) {
        value = value.replace(/[\s-]+/g, '');
        return /^\d{16}$/.test(value) && verhoeff_1.Verhoeff.validate(value);
    }
    static gst(value) {
        const regex = /^([0-2][0-9]|[3][0-7])[A-Z]{3}[ABCFGHLJPTK][A-Z]\d{4}[A-Z][A-Z0-9][Z][A-Z0-9]$/i;
        return regex.test(value) && Validator.gstChecksum(value);
    }
    static gstChecksum(value) {
        if (!/^[0-9A-Z]{15}$/i.test(value)) {
            return false;
        }
        const chars = [...'0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'];
        const values = [...value.toUpperCase()];
        const lastChar = values.pop();
        const sum = values
            .map((char, index) => {
            const product = chars.indexOf(char) * (index % 2 !== 0 ? 2 : 1);
            return Math.floor(product / chars.length) + (product % chars.length);
        })
            .reduce((prev, current) => {
            return prev + current;
        });
        const checksum = (chars.length - (sum % chars.length)) % chars.length;
        return chars[checksum] === lastChar;
    }
    static vehicleRegistration(value) {
        const regex = /^[A-Z]{2}[\s-.]?[0-9]{1,2}[\s-.]?[0-9A-Z]{1,3}[\s-.]?[0-9]{1,4}$/i;
        return regex.test(value);
    }
    static vpa(value, options) {
        return vpa_1.VPA.validate(value, options);
    }
}
exports.Validator = Validator;