IPFS应用连续调用API报Maximum call stack exceeded错误排查求助

我在IPFS应用开发中遇到如下问题：首先发起一次GET请求获取数据结构，完成修改后发起PUT请求将数据发送到服务端更新记录。第一次点击表单提交按钮运行符合预期，第二次提交也能正常执行，但会输出2条错误日志。此外如果连续进行2次编辑操作，应用会直接崩溃，抛出RangeError: Maximum call stack size exceeded错误，与该错误相关的代码附在下文。

更新操作初始报错截图：

我被告知该问题是异步代码编写不规范导致，但我暂未定位到具体错误点。

范围错误控制台日志截图：

客户端脚本 #

const capitalize = ([first, ...rest]) => 
`${first.toUpperCase()}${rest.join('')}`;
let patientDataRetrieved = false;
let _xhr,_xhr2 = null;

let patientID ;
let first_name;
let last_name;
let email;
let sex;
let date_of_birth;
let patient_phone;
let marital_status;
let emergency_contact1_rel ;
let emergency_contact1_phone;
let emergency_contact2_rel ;
let emergency_contact2_phone;
let spouse_phone;

$("body").on("contextmenu",function(e){
    return false;
});
$('body').bind('cut copy ', function (e) {
    e.preventDefault();
});

document
    .getElementById("search")
    .addEventListener("submit",ev => {
        ev.preventDefault();
        patientID = ev.target.patientID.value;
        let uid = patientID;
        getPatientDetails()
        function getPatientDetails(){
            if(_xhr2!= null)
                _xhr2.abort();
            if(patientDataRetrieved===false){
                $(document).ready(()=>{
                    _xhr = $.ajax({
                        url: '/profile/'+uid,
                        type: 'GET',
                        cache: false,
                        success: function(data){
                            //实例化用户数据变量
                            let userdata = data;
                            console.log(userdata);
                            first_name = userdata.first_name;
                            last_name  = userdata.last_name;
                            sex = userdata.sex;
                            email = userdata.email;
                            let blood_type = userdata.blood_type;
                            date_of_birth = userdata.date_of_birth;
                            spouse_phone = userdata.spouse_phone;
                            patient_phone = userdata.patient_phone;
                            marital_status =userdata.marital_status;
                            spouse_phone = userdata.spouse_phone;
                            emergency_contact1_rel = userdata.emergency.contact1.relationship;
                            emergency_contact1_phone = userdata.emergency.contact1.phone;
                            emergency_contact2_rel = userdata.emergency.contact2.relationship;
                            emergency_contact2_phone = userdata.emergency.contact2.phone;

                            let chronic_illnesses = userdata.chronic_illnesses;
                            let past_surgeries = userdata.past_surgeries;
                            let allergies = userdata.allergies;
                            let long_term_medication = userdata.long_term_medication;

                            //将用户数据追加到表格对应td中
                            $(".firstname").append(capitalize(first_name));
                            $(".lastname").append(capitalize(last_name));
                            $("#blood_type").val(blood_type);
                            $(".sex").append(capitalize(sex));
                            $(".date_of_birth").append(date_of_birth);
                            $(".patient_phone").append(patient_phone);
                            $(".marital_status").append(capitalize(marital_status));
                            $(".spouse_phone").append(spouse_phone);

                            $(".emergency_contact1_rel").append(capitalize(emergency_contact1_rel));
                            $(".emergency_contact1_rel").append(", Phone: "+emergency_contact1_phone);
                            $(".emergency_contact2_rel").append(capitalize(emergency_contact2_rel));
                            $(".emergency_contact2_rel").append(", Phone: "+emergency_contact2_phone);
                            $("#chronic_illnesses").val(chronic_illnesses);
                            $("#past_surgeries").val(past_surgeries);
                            $("#allergies").val(allergies);
                            $("#long_term_medication").val(long_term_medication);
                            document.getElementById("patientData").style.display ="block";
                            patientDataRetrieved = true;
                            return true;
                        }
                        , error: function(jqXHR, textStatus, err){
                            alert('text status '+textStatus+', err '+err)
                        }
                    });
                });
            }
        }
    });

document.getElementById("editForm").addEventListener("submit", ev =>{
        ev.preventDefault();
    updatePatientInfo()
        function updatePatientInfo() {
        if(_xhr!=null){_xhr.abort()}
            let formData = {
                first_name: first_name,
                last_name: last_name,
                email: email,
                blood_type: $("#blood_type").val(),
                sex: sex,
                date_of_birth:date_of_birth,
                patient_phone:patient_phone,
                marital_status:marital_status,
                spouse_phone: spouse_phone,
                emergency_contact1_relationship:emergency_contact1_rel,
                emergency_contact1_phone:emergency_contact1_phone,
                emergency_contact2_relationship:emergency_contact2_rel,
                emergency_contact2_phone: emergency_contact2_phone,
                chronic_illnesses: $("#chronic_illnesses").val(),
                past_surgeries: $("#past_surgeries").val(),
                allergies: $("#allergies").val(),
                long_term_medication: $("#long_term_medication").val(),
                uid: patientID,
            };

            _xhr2 = $.ajax({
                url: "/edit_record_process",
                type: "PUT",
                data: formData,
                datatype:"text",
                encoded:true,
                cache: false,
                success:function(data){
                    if(data){
                        window.location.reload()
                    }
                },
                error: (err)=>{
                    alert(err);
                }
            });
        }
});

服务端代码 #

app.get("/profile/:uid",   function (req, res){
//const current_user =
//const current_user =
const uid = req.params.uid;

db.ref("user_file_ref").on("value", snapshot=>{
    snapshot.forEach( dataSnapshot=>{
        if(uid === dataSnapshot.val().user_id){
            //范围错误指向的代码行
            getFileFromNet(dataSnapshot.val().ipfs_ref).then( result => {
                const hash = JSON.parse(result);
                let decrypted_string = decrypt(hash);
                let return_data = JSON.parse(decrypted_string);
                 return res.send(return_data);
            }).catch((err) =>{
                return console.log(err);
            });
        }else{

        }
    })
})
return true;
});

app.put("/edit_record_process",  (req,res)=>{
let first_name = req.body.first_name;
let last_name= req.body.last_name;
let blood_type = req.body.blood_type ;
let sex = req.body.sex ;
let date_of_birth= req.body.date_of_birth ;
let email = req.body.email ;
let patient_phone= req.body.patient_phone ;
let userID = req.body.uid;
let marital_status= req.body.marital_status ;
let emergency= {
    contact1:
        {
            "relationship":req.body.emergency_contact1_relationship,
            "phone": req.body.emergency_contact1_phone
        },
    contact2:
        {
            "relationship":req.body.emergency_contact2_relationship,
            "phone": req.body.emergency_contact2_phone
        }
};
let chronic_illnesses = req.body.chronic_illnesses ;
let past_surgeries = req.body.past_surgeries ;
let allergies = req.body.allergies ;
let long_term_medication = req.body.long_term_medication ;
const userdata = {
    "first_name" : first_name,
    "last_name" : last_name,
    "sex": sex,
    "blood_type": blood_type,
    "date_of_birth":date_of_birth,
    "email":email,
    "patient_phone": patient_phone,
    "marital_status": marital_status,
    "emergency": emergency,
    "chronic_illnesses": chronic_illnesses,
    "past_surgeries":past_surgeries,
    "allergies": allergies,
    "long_term_medication": long_term_medication,
}
let userdata_string = JSON.stringify(userdata);
let encrypted_user_data = JSON.stringify(encrypt(userdata_string));
sendFileToNet(encrypted_user_data).then((ipfs_object)=>{
    let ipfs_path = ipfs_object.path;
    db.ref("user_file_ref").on("value", snapshot=>{
        snapshot.forEach(dataSnapshot => {
            if(userID === dataSnapshot.val().user_id){
                dataSnapshot.ref.update({ipfs_ref:ipfs_path}).then(()=> {
                    return res.sendStatus(201);
                }).catch((err)=>{
                    console.log(err)
                })

            }
        })
    })
});
});

IPFS API代码 #

const sendFileToNet = async (file_data) => {
const real_cid = await client.add(file_data);
return real_cid;
}

const getFileFromNet = async (cid) =>{
const stream = client.cat(cid)
let data = ''
for await (const chunk of stream) {
    //数据块以Buffer形式返回，转换回字符串
    data += chunk.toString()
}
return data;
 }

内容的提问来源于stack exchange，提问作者chipego kalinda