leantodo-weapp 中的代码
感觉这块有点复杂, 能大概说下是干什么的吗?
login: function() {
return AV.Promise.resolve(AV.User.current()).then(user =>
user ? (user.isAuthenticated().then(authed => authed ? user : null)) : null
).then(user => user ? user : AV.User.loginWithWeapp()).catch(error => consolo.error(error.message));
},