Axios this is undefined. log returns undefined after the FIRST click of submit.

Axios this is undefined exUpdateMovie doesn't return anything. Reload to refresh your session. 0 Oct 7, 2022. js file which creates an app and adds various things to it like router, store, and axios. customer && order. setState')] Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company . Can someone explain what am I doing wrong? Store itself works fine in all the components. So far without succ Skip to main content. body like you would with a similar request using axios. In TypeScript file, when I do import axios from 'axios', the axios variable is inferred as AxiosStatic, however the value of it is undefined;. But the value which is getting set is undefined even though console. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company And I am trying to access https://jsonplaceholder. log and Undefined on JSON. You switched accounts on another tab or window. In order to display each one of the assets, you need to loop over the array and then show the asset info or whatever property inside of it. log inside the controller, but I am always getting undefined response. Update: return of console. attempts are separated by a blank line. I came to know about finnaly() method. The code of the CLI file is the following: import cli from 'cli-u I am trying to grab json data from a pastebin link and serve it as a popup in my electron app, but when trying to return a axios request data, it comes up undefined, also the console. There is probably something else going wrong because if this is undefined inside then, then you would not be able to call this. headers. It is build on token-authentication using Axios. id is undefined when you make the request with axios. var axios = require('axios') console. post(url, object). From your implementation, you are trying to refresh the token. 2. Using axios for post request and fetching response. setState({ todos: response }); console. x. data:"+response. This issue often arises when the data object doesn’t contain the expected values. But when I try to do the same call in Postman, it clearly gives the right response. The code looks JS require(". Even API is getting properly called from React, I checked using console. class Blogpost extends In your code, data doesn't actually return anything. axios interceptors response undefined. Commented Jul 12, 2018 at 10:15. name}} and it should work fine It was supposed to work, but suddenly from server, req. Response returning undefined react js axios. I have a create-react-app running on same server with a node express server with a cors configuration of: You signed in with another tab or window. Not only axios, but also other request libraries may be affected. For example, you The problem is, for whatever reason, your param. The body is marked as undefinde. I am using webpack to build the files. stringify(response));}). then((res) => res. get 4 Vue JS returning [Object object] on console. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. address will be undefined till the API response is fetched. then() but the returned value is just an array with 2 times undefined. js won't work because it should be evaluated before . About; It still says its undefined – user8658069. I have a little problem while displaying server auth response after axios post req. user from any route other than the /login route is undefined. I'm trying to learn Vue js . delete("/api Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company axios. post(url,{ data:{ username:username, password:password } }) This query results in the following being printed out to the console undefined. One crucial factor is ensuring that the data passed into the POST request Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Below a sample implementation from my body undefined on axios post request. When I try to use the request interceptor, I get Express, by default, does not read the body of a POST request (or any request for that matter). – Eric Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company After the request is done, response. Try this: onChange={e => _handleTextChange(e)} Generally, it's better not to use arrow functions or bind methods inside render as it generates a new copy of the function on any render call. I'm trying to console log server response errorMessage: "please all required fields after form submit. data); When you extend React. To Reproduce. defaults) I am having trouble with IE11 and promises using axios. Axios is undefined in React, error: Uncaught TypeError: Cannot read property 'post' of undefined. (delay execution of code) import {useState} from "react"; import axios from "axios"; const [apiData, setApiData] = useState(); const [article, setArticle] = useState(); const Nice answer. When I try to read the data sent on the post route it shows as undefined. I have a main. I am performing some operations no matter if an API call fails or completes. About; Products Cannot read property 'setState' of undefined" while doing a simple thing in ReactJS. Add a comment | I didn't want to mess with the way they made the axios instance so that's why I added this last piece of code to it. The function seems to work but i keep getting the response as undefined. Axios call a Laravel endpoint and get controller response. 0. data); //Undefinend? Enter fullscreen mode Axios response headers can actually be undefined. I have a running MySQL database with a Accessing req. Some tools for parsing query strings expect arrays of data to be encoded as array_name=1&array_name=2. If you with to add properties to the Vue prototype like that, the suggested approach is to use a $ or _ prefix, like: Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. For example: const [movie, setMovie] = useState(null); – HeavenHM. name, customer is undefined and so customer. And yet, oddly enough, the Jest spy still registers that the method was called – the console. axios I also have a last question, after running vue-cli-service build what are the generated output files app. My Problem ist that the console. Hello, i just stumbled on this page when looking for axios behavior with undefined values and I don't understand some propositions made here so i'm adding my two cents without meaning to add oil on the fire. session. I had the same issue -- axios was failing with a useless [TypeError: undefined is not a function] until I upgraded. user still shows up as undefined. Improve this answer. axios inside Vue instances new Vue({ // But this is sort of a bad practice. body. The main problem is that this will not refer to the component instance inside the internal functions. Modified 3 years, 3 months ago. GET request with axios returning undefined. There are 2 ways you can resolve this problem. quotes should be the key for an array, however, so I'm unsure as to why its length property is undefined. toString() I get user's id but when I send the request it is undefined. fatiu fatiu. Stack Overflow. then(function (response) console. The flow is that by logging in I retrieve a token, save it to the session storage, dispatch a login action and my vuex store will set a token in the state from the session I am trying to upload a single file, and store it in a folder in my app directory. However, when I use axios post request from the React frontend with withCredential set to true, req. Axios interceptor config - URL is not the same. Api. user is undefined in axios POST request but GET works just fine. query); }) I am implementing axios interceptor in tsx for react native expo. Modified 4 years, 8 Thankyou @rubennorte for your answer, but this was not the correct solution. 0" I am intercepting requests and responses and I'm adding token when intercepting requests. This is my axios init When I am debugging my app I find store undefined. cookies on server after performing this axios request the value is undefined. This is the request(all the following code is inside an async function): const proms = files. use(VueAxios, axios) to main. The request you're sending with postman has the ID; the request you're sending from the app has undefined in place of the ID. How to solve this p Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company params in url undefined - axios, react, express. ItemDetail. Ask Question Asked 2 years, 11 months ago. log(error); });} See Understanding why the data isn’t transferring is critical for troubleshooting. log again, and I am using vuex, axios for my app and I want to use getter in axios initiation to pass basic auth. Asking for help, clarification, or responding to other answers. create()', 'axios. log(JSON. axios = window. Here is t This is the code for my axios request: import axios from 'axios Skip to main content. I tried doing it a string but it still is undefined. name breaks. For the express server, I saved the user information in express session in success callback, then I set the credential in the express option and cors to true. The problem was on my backend, with the Cors on the configuration of the OAuthServer. I want to intercept requests and responses and add the user's token. There is an issue where you can find resources to get your requests to @user31529 Once you have a promise, you can never make it synchronous -- all code that depends on it has to be chained off it, either using then or await. Vue JS computed property is undefined (async axios call in vuex) Ask Question Asked 4 years, 8 months ago. Axios POST request is complaining about cross origin, but curl request works fine. log gives me the correct output To fix this, the initial state of the movie object should be set to null or undefined. data inside the . Ask Question Asked 2 years, 1 I want to simulate clicking a button (#reset), button has onClick fetching with axios. quotesData should be a JSON object that looks like: { "quotes": [Object1, Object2, etc. Try using nvm: import axios from 'axios' import VueAxios from 'vue-axios' import App from '. axios post request is sending a request header of Content-Type: multipart/form-data resulting in undefined req. address worked because order might be object and so order. code here __ mocks __/axios. /libs/vue-auth is imported, and it cannot precede import according to JS specs. then and async wait together shouldn't be used, but if I remove async wait I don't get users[] filled, I get: I am returning a custom response from my PHP code and I don't know how I can use those responses for my page. post call. However, for order. js and chunk-vendors. Follow asked Aug 18, 2018 at 8:13. js strong text I'm new in laravel and vue js . axios; // this will enable this. In a Laravel+Vue project i trying to use axios to get a API response. data also gives 'undefined'. It's not that the response is "becoming unreadable"; it's that you're not sending in the same request you think you are. typicode. 6eah5ae65h. Ulukbek Abylbekov Ulukbek Abylbekov. Copy link zaq42 commented Oct 7, 2022. Thankyou I have a Vue SPA and I'm using Axios for handling requests, vue-axios to apply it and vuex for storing tokens. parse When I print currentUser[0]?. I have the following code I am working on. catch(() => undefined); } I'm calling IActionResult controller endpoints using axios and I'm intentionally returning BadRequest("Test Message"); to see if I can send back any message I want. I am trying to chain these so when a new review is I am trying to pass a token in the header from a CLI to a Rest Api. Until state article is set. I think it's how I have my async await function set up to get the response data. body 2 req. OBS: The var res is declared before, and the method Service. map(file => { let formData = new FormData(); I am running a react app with nodejs on backend. Its often an overlooked issue and relatively easy to solve. 1. with login a token is placed in the localStorage. This could be a problem if you have one or more items because it might be an array or might be a string. interceptors. But the response I was able to answer my own question and am posting here for anyone else who may have the same issue: I had to take the mock data and put it directly into the axios mock here I am able to fetch the data using axios, but it returns undefined the first time and hence, when I use useState, it gets set as undefined. axios does not return an array ReactJS. created: function { // Using an arrow function preserves the 'this' value A frequent problem arises when axios sends undefined or empty data due to improper state management or form handling. log gets executed earlier than the . I'm trying to build react-native fuction to make POST request to an API using Axios. I want to fetch the data and do something with it using . Using the right function when fetching data order. The Axios Get request is build outside the Vue component. defaults is undefined in v 1. Body-parser is already in use on the server. Here is the component: However, if the server responds with let say 400 code (for missing data elements), the axios's "request" object is always received as "undefined". jsx import React, { Component } from "react"; import @poena9191: You can define the initial value however you see fit, there's no one rule for all cases of that. All reactions. - >Unfortunately, there's literally hundreds of Vue + axios tutorial that teaches us to pass the result from axios by doing this. @DanJ210 I am not familiar with IActionResult controller endpoints. This is my code to post http request using axios: const Axios = use('axios'); axios. 0", with ReactJs and Typescript. This allows options to be added like keepAlive that are not enabled by default. variable inside get or post method – imin I'm trying to make axios working with a request interceptor. This is what I'm doing to add axios globally: import {createSSRApp, createApp, h} from 'vue'; It could be that users is not part of the default axios data object. In express url search parameters are available through query property, not params. log outputs a single call. It works fine when you send a query to Postman. You signed out in another tab or window. But by setting `axios. log('request:', req. The consequence of this is that Userlist has to be made asynchronous too with await, or use then inside of it and chain the code that depends on the users from it (probably ending in a setState call of some sort). I've tested POST request with Postman, it Axios gets undefined. create({ baseURL: API_URL, timeout: 10000 }); Axios response is undefined, console log in catch is displayed. Sign in Product Actions. What you can do is to shift the refresh token handling to the server side. I understand similar questions has been asked here, here and in a hundred other questions posts. I read that . 5eah9a5. use(vueAuth, ) Moving Vue. Your problem is caused by naming confusion between axios and express. Axios always runs . post (minus the {params: object}. Printing req. log returns undefined after the FIRST click of submit. body). Cannot read property 'then' of undefined for axios wrapper. . If you convert to async functions, keep in mind that a useEffect cannot be async. App. When i receive createUser Request, i take body from req, but it is undefined, i console log "req" and this returned me an incoming message object Why? i need to receive body for push on array : I tried response in any possible way, as well as data, I tried defining them before using them, but still it gets undefined. It's not that the response is "becoming unreadable"; it's that you're not sending in the async function getItems() { return await axios. My initial state go from pets: [] to pets: "". common["Authorization"] = `Bearer ${localStorage. assets. axios. So I will make sure to focus on the missing parts in these posts. I'm trying to use console. customer. 18. You completely ignore the promise chain created by Axios. data() either needs to be an async function or return the Promise. Hello I'm making a Reactjs app (with laravel backend) that uses jwt tokens to authenticate. 23. js: quotesData. 4. js I have tried lots of answers to similar questions, but none of them helps. I'm try using Post method in axios to send some data, but the result of my code only undefined. What is the expected thing to happen: Describe the bug. I am trying to use axios to fill input with response data. No response. This is implemented on a Vue app and uses a number of methods which each return with an Axios promise. post(apiBaseUrl+'/utente/login', payload,header). On the server side everything is fine, the network tab shows correct response. get(url). However before a request is made the interceptor is not triggered. 0 The problem is caused by the fact that your code is not directly invoking the post function on the axios module instance and is instead doing it implicitly via the config, whereas your test mock is looking for a direct axios. React cannot get the right response. About; Products OverflowAI; Axios gets undefined. query rather than request. JS server side) var token = req. But did you support POST method in the server side? Anyway, we suggest users ask similar questions in stackoverflow, instead of Github issues. /bootstrap"); import Swal from " The reason this happens is because inside that function/then, this will be referring to the context of the function, hence there won't be a thoughtWallet property. then. when I use request interceptor then in response interceptor if I get [400,] Skip to main content Did you check server logs as well, if you can spot any exception or message there? You can start the backlog with the commandline parameter --debug to increase logging inside Spring Boot (does not set all loggers levels to debug) – cyberbrain Problem Intro: In my React app I'm making some API calls to Github to fetch some user data. With Abstract: Learn how to fix an error where Axios is undefined in your JavaScript project. prototype. This method, because it is a regular function (and not an arrow function), sets it's own context to be the Vue instance. I am not sure what the mistake is. This is my Axios post: axio in a project I am using react + typescript with "axios": "^0. then() but that returns that inner function, not the outer. Host and manage packages Security. This will prob help a lot of people who might decide to use fetch instead. It is being executed after the API request either fails or succeeds. I know promises don't exist in IE11 so you have to polyfill them. js ? Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog I started switching my project from standard Fetch API to Axios library. body is just an empty curly brace so somehow my data is not being sent. On the frontend, I am successfully selecting a file and adding it to the state of the Uploader component. create is not a function. There are various ways to fix this, such as using arrow functions instead. So I removed this line. Follow answered Dec 11, 2021 at 22:45. js. then in the caller, so even if you did return the correct promise you'd be receiving the promise object (which also has no data property). Axios Interceptors just working after page reload. then I get an Object object. log(axios); this code print undefined how to fix it? Skip to content. put. undefined is a value introduced as a mistake to javascript by its creator as it should have been null from the beginning. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company import axios from 'axios'; import MockAdapter from 'axios-mock-adapter'; const mockAdapter = new MockAdapter(axios); I haven't found a way to get the mock adapter working when the function you are testing uses 'axios. Axios get URL parameter string not accepted. import axios from 'axios'; console. Automate any workflow Packages. log(axios. How do I resolve this problem? Response gives 'undefined' and response. Same here. Find and fix vulnerabilities Codespaces. I'm using Vue. – I am trying to set default configuration variables using axios. post, this function returns the obejct to the main react App, which should then save it / show it on the screen. vue' Vue. In my case, I imported axios on a document and created a baseUrl, so I exported it, but when I import that document in another one, it says that can not read property create of undefined All reactions req. get(API + 'items') . In another function I call these functions and wait for it with Axios's . All of my endpoints are good and working from being tested with postman. This is the code: import React, {Component} from 'react' import {View,Text,StyleSh Skip to main content. When mounting this page the token is undefined. then for some reason, I think this has something to do with the request being async, but I haven't found a way to wait for the . data; }) . Console keeps showing "undefined". (In 'axios . catch(function(error) { console. post() you need to send body/data instead of params, that could be the issue – Madhuri. match because the arrow function uses the same context that the method filteredMessages uses. Axios Documentation says this : httpAgent and httpsAgent define a custom agent to be used when performing http and https requests, respectively, in node. React Axios Uncaught (in promise) 1. vue. com with axios. params property in axios is sent as search parameters in the url. Axios is not defined. Hot Network Questions Where did Tolstoy write that a man is like a fraction? Draw a TikZ picture with forces and a rope What I figured it out. If I alert response. i'm learning react and i'm having issues with the action. Another possible solution to ignore the interceptors would've been to use axios. JS on the front end, Laravel on the backend, and Axios to post some form data, my axios method is set up like below: axios . axios is not prepending default baseUrl in any request even thought it is set. token_id because there is no token_id on an Array []. 6. Generally the pattern for this kind of code is: Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. stringify(res)) I removed the results itens so it wouldn't get too big First thing I'd do is check CORS for your POST request. response. file. confirmPassword is My axios config: export default axios But the app allways crash saying "Cannot read property 'map' of undefined", i looked in the network properties in the chrome and my request is finishing with no erros. then(function(respo Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Axios already returns a data property, and with the api doing that aswell it will end up being like this: setAgent(res. use((response) => { console. body so I am using the multer middleware but I am getting undefined whenever I log req. Load 7 more related questions Show fewer related questions There is a good chance that your localhost was running a more up-to-date version of node JS than the server that you migrated your app to. Code This is not going to work as you're not in a node environment. I would like save the response URL in a state variable but I have this problem : [TypeError: undefined is not an object (evaluating 'this. Axios seemed great, with all the interceptors, custom instances, etc. Although it is strange (though I'm sure there is a technical reason), even though you use { params: searchData } you must still access the data on the back end with request. 0 + 🐛 [BUG] - TypeError: axios. Instant dev My GET request with axios returns back undefined in my console. In a Laravel+Vue project, i tried to use axios to post an API response. axios is not defined in Vue js 2. Hello i'm sorry for asking this here, but i dont have experience with this. payload object because it is not populated after doing a get request with axios. 0" and this is how I do import it: import axios, { AxiosStatic, AxiosRequestConfig, AxiosPromise } from 'axios'; it all works like a charm but the post headers return an undefined token Bearer undefined. status === 200) return response. owner is undefined but the thing is data is displayed properly on the . log(response) return So how about opening an issue to RN? Something must be changed, which is related to XHR. 1. Component with ES2015 class syntax you need to bind your action handlers to a context of your class. body returning empty array in a POST request I have a function which calls an axios. post('/findMovie', (req, res) => { console. then(response => {this. your problem is that the assets inside the data is an array, basically, you can not do response. Postman is good about setting correct headers and options. data is undefined, while I can check my browser it was succesful, and the body is present. really cannot figure out which part goes wrong. log("\n Valore di response. Share. The method which does the request looks like this: const anthea-wu changed the title 🐛 [BUG] - TypeError: axios. For instance, a response can sometimes contain the location header, and sometimes not. js; axios; vuex; Share. id. My "location" and "api" variables are undefined in my Axios request address. use(VueAxios, axios) Vue. js project. I'm uploading multiple files separately using axios. React File with axios call import Vue from 'vue' import axios from 'axios' import VueAxios from 'vue-axios' Vue. Add a response. So, try this: app. token}`; from the main. Why won't the useEffect hook run and fetch data? Hot Network Questions Is it possible to have a wrong private key on an ether paper wallet? So the problem is that all computed properties which have axios calls in store are running fine except a specific one. In this article, we will discuss how to fix the error "Axios is not defined" in JavaScript. Sorry Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I am trying to pass a file to node and express will not store it in req. When I try to hit an endpoint with postman everything works, so I assume the problem is probably with my axios request as when logging req. then(response => { if (response. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Vue. Improve this question. defaults but for some reason it is undefined. You return in the . If I get request as undefined I can't read and display proper messages back to user. (the comments are what I have tried. I'm trying to delete some data from a mysql database with the code: app. data); It will display undefined at first because of the API call being asynchronous, hereby not instantly, so when the API has returned your response you're setting a state which causes the component to re-render, hence run the console. 1,538 1 1 gold You signed in with another tab or window. Hot Network Questions Counting points on line in QGIS Could air traffic control radars pick up a large stationary floating object? Could you make a quadcopter who’s propellers can also work as wheels? Why does one of my GAM I'm trying to build a weather app using React, react-autosuggest for a dropdown listing available cities and for api fetching Axios. Change an implicit post call into an explicit one:; From: Describe the issue In interceptors response is undefined Example Code instance. I have stuck here for almost a week, trying to improve the coverage by testing the . Commented Dec 3, 2020 at 21:49. AxiosResponseHeaders should import axios from 'axios'; console. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I'm doing my first steps with axios so far and made up the following: import Navbar from 'react-bootstrap/Navbar'; import Form from 'react-bootstrap/Form'; import Intellij + create-react-app : axios is undefined. I am writing a client/server application where the frontend is using React and Axios while the backend is using Express, MySQL and PassportJS. log to see the status and msg but I've had no luck. This used to be working on axios version 0. Note: When i test this using postman, it correctly prints both the username and password { username: 'user1', password: '12345!' I get a problem with ReactNative and axios. GetSong. headers['authorization'] My token is still undefined – Térence Arrow functions take the "this" value from their lexical outer scope and in outer scope the value of "this" is the Class component instance itself. testMethod(); – Michal Levý My API is returning proper data when I am requesting from Postman. I wan to mock this data, but I'm getting an error: "Cannot read property 'then' of undefined" Test: Using Axios in VueJS - this undefined. 0. common['authorization'] = 'Bearer ' + token`` and (in my Node. When I make the POST request to the Node route with Axios, I am getting undefined in the request body. I am not sure what I am doing wr 当vue与axios直接在html文件中使用的时候，位于axios的请求中的this指向并不是指向vue,而是指向window，如果在请求中直接用this获取data中的数据会出现undefined的问题，解决思路是将ES5的函数语法更换为箭头函数即可解决此问题，深层的原因就得深入去了解箭头函数和普通函数之间的区别了！ axios request return undefined in useEffect. 30. I have an custom axios instance defined as: export const axiosInstance = axios. then part of the Axios request. I'm using "axios": "^0. Toggle navigation. defaults. When I perform a REST call (get) with axios from my react app, it says that the response is undefined. js file and used this code. The problem started with POST requests. If you still get undefined, then you need to double check that your api is returning the response (POSTMAN). Thanks. However the header is said to be undefined in the server side. data. Axios POST resolves to undefined. I am geting following error: TypeError: axios. The problem is, for whatever reason, your param. ]} Is there something wrong with how I'm using axios? I'm still very new to programming in general and quite new to react. Custom react hook with useeffect, cant use in non-component function. But when I send a request the header Authorization becomes Bearer undefined or Bearer null. js: import Skip to main content Axios Undefined Response. const request=axios. Provide details and share your research! But avoid . variableName, it prints undefined. Whenever I make an axios call without parameters, everything works, but when I try to add paramaters and use them with req. useEffect and Axios getting a null json. Move function declaration to the class constructor. Also when instead of id I use the username it isn't undefined. js 13 Route Handlers Using LangChain? 0 In chrome/firefox extension API, how do I get a chained response from port without sending a new message? 1 In Vue I am building a small Userprofile page. is no longer undefined. Ask Question Asked 4 years, 6 months ago. In the example below I have also removed the new Promise as that doesn't appear to be necessary. then with invalid url. Also you don't await it or use . all() method. So If the token expires the server will send the token in the header and inside the axios interceptors write a code as follows to update the local storage when the header contains auth token. use(VueAxios, axios); In my components I call axios with this. I am trying to set data received from a GET request from an API using axios. So, you have to install some software (usually middleware) that recognizes the particular content-type of the incoming request body, reads the body from the incoming stream, parses it and places the result where you expect it (usually req. 3. Yes, these two together work. create' to set up a new axios instance. /App. axios Like I said res is undefined after the request is retried after the interceptor however in the chrome devtools network tab the second request to /auth/verify goes through and returns a correct response which means that the 2nd request to verify was successful. Modified 2 years, 11 months ago. A lot of people use axios, and that provides you with a data object, which you typically access with response. Put a check of {{order. For example, if you have an array then you can define an empty array initially and then your render can always safely iterate the array, knowing that it'll simply have no iterations for an empty array. post("/api/xxxxx", formData) . create' is undefined). key return undefined when i want to grab or get some specific fields from Json data or API with axios. Our filter can access this. I want to refresh the jwt token when the token has expired or is invalid (401 response). The return of the "postData" function (in API) looks like this: return axios. Can someone explained why i can't access this inside callback function ?; And how i can using my class function as callback axios, and access this; or any suggestion? i I am having an issue with sending data from an Axios post request to my ExpressJS post route. Viewed 610 times 0 . Let's expand further on how you would this to fetch data using axios or fetch. create() to make a new instance that doesn't have interceptors. Here is my code snippet (I specifically didn't pass data in to trigger error): I am using axios in one of my Vue. log (axios); this code print undefined how to fix it? I am trying to use vuex's store to make some API calls but after installing vuex, importing store to my files and following other stack overflow answers, like making sure vuex is installed, if i am You don't need bind as you are already using one of the solutions mentioned in linked answer - arrow function. You signed in with another tab or window. 6 How to Implement Streaming API Endpoint with Next. What actually happens is that the call to axios get returns undefined, causing my test assertion to fail. 459 1 1 gold badge 6 6 silver badges 20 20 bronze badges. ovifb dwqvxd lym prm buaa kevmz qab lggis zvfvjov vgdfeov