node.js AZ排序

global.azpaixu=function(signArgs){
    
    let paixu = Object.keys(signArgs).sort().filter(val => val);
    let newx = {};
    for(var k in paixu){
        let tzhi = paixu[k];
        newx[tzhi] = signArgs[tzhi];
    }
    return newx;
}