existSyncWrap.js

var existsSyncWrap = function (mypath) {
    if (typeof fs.existsSync === 'function') {
        return fs.existsSync(mypath);
    }
    else {
        try {
            fs.accessSync(mypath, fs.constants.F_OK);
        }
        catch (er) {
            return false;
        }
        return true;
    }
};