util-helpers/lib/isBusinessLicense.js

一个基于业务场景的工具方法库

'use strict';

var ut2 = require('ut2');

var baseReg = /^\d{15}$/;
function sumCheckCode(preCode) {
    var retNum;
    var pj = 10;
    for (var j = 0; j < 14; j++) {
        var sj = pj + Number(preCode[j]);
        var sj10 = sj % 10;
        sj10 = sj10 === 0 ? 10 : sj10;
        var pj1 = sj10 * 2;
        pj = pj1 % 11;
    }
    if (pj === 1) {
        retNum = 0;
    }
    else {
        retNum = 11 - pj;
    }
    return retNum;
}
function isBusinessLicense(value, options) {
    if (options === void 0) { options = {}; }
    var valueStr = ut2.toString(value);
    var _a = options.checkCode, needCheckCode = _a === void 0 ? true : _a;
    var passBaseRule = baseReg.test(valueStr);
    if (!needCheckCode || !passBaseRule) {
        return passBaseRule;
    }
    var preCode = valueStr.substring(0, 14);
    var lastCode = valueStr.substring(valueStr.length - 1);
    var checkCode = sumCheckCode(preCode);
    return lastCode === String(checkCode);
}
isBusinessLicense.sumCheckCode = sumCheckCode;

module.exports = isBusinessLicense;