util-helpers/esm/isUnifiedIdentifier.js

一个基于业务场景的工具方法库

import { toString } from 'ut2';

var baseReg = /^[\dA-HJ-NPQRTUWXY]{2}\d{6}[\dA-HJ-NPQRTUWXY]{10}$/;
var baseCodeArr = '0123456789ABCDEFGHJKLMNPQRTUWXY'.split('');
function sumCheckCode(preCode) {
    var total = 0;
    var _loop_1 = function (i) {
        var index = baseCodeArr.findIndex(function (item) { return item === preCode[i]; });
        var wf = Math.pow(3, i) % 31;
        total += index * wf;
    };
    for (var i = 0; i < 17; i++) {
        _loop_1(i);
    }
    var remainder = total % 31;
    var checkCodeIndex = remainder !== 0 ? 31 - remainder : 0;
    return baseCodeArr[checkCodeIndex];
}
function isUnifiedIdentifier(value, options) {
    var valueStr = 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, 17);
    var lastCode = valueStr.substring(valueStr.length - 1);
    var checkCode = sumCheckCode(preCode);
    return lastCode === checkCode;
}
isUnifiedIdentifier.sumCheckCode = sumCheckCode;

export { isUnifiedIdentifier as default };