Function objCopy

lib/bunyan.js:116–130

* A shallow copy of an object. Bunyan logging attempts to never cause * exceptions, so this function attempts to handle non-objects gracefully.

(obj)

 * exceptions, so this function attempts to handle non-objects gracefully.
 */
function objCopy(obj) {
    if (obj == null) {  // null or undefined
        return obj;
    } else if (Array.isArray(obj)) {
        return obj.slice();
    } else if (typeof (obj) === 'object') {
        var copy = {};
        Object.keys(obj).forEach(function (k) {
            copy[k] = obj[k];
        });
        return copy;
    } else {
        return obj;
    }
}

var format = util.format;
if (!format) {