utils.clone = function()

in src/common/utils.js [94:120]

• 20 lines of code
• 12 McCabe index (conditional complexity)

utils.clone = function (obj) {
    if (!obj || typeof obj === 'function' || utils.isDate(obj) || typeof obj !== 'object') {
        return obj;
    }

    var retVal, i;

    if (utils.isArray(obj)) {
        retVal = [];
        for (i = 0; i < obj.length; ++i) {
            retVal.push(utils.clone(obj[i]));
        }
        return retVal;
    }

    retVal = {};
    for (i in obj) {
        // 'unknown' type may be returned in custom protocol activation case on
        // Windows Phone 8.1 causing "No such interface supported" exception on
        // cloning (https://issues.apache.org/jira/browse/CB-11522)
        // eslint-disable-next-line valid-typeof
        if ((!(i in retVal) || retVal[i] !== obj[i]) && typeof obj[i] !== 'undefined' && typeof obj[i] !== 'unknown') {
            retVal[i] = utils.clone(obj[i]);
        }
    }
    return retVal;
};