What are the steps to resolve the error 'content-type missing boundary' and encountering the issue with getBoundary not being recognized as a function?

Question

What are the steps to resolve the error 'content-type missing boundary' and encountering the issue with getBoundary not being recognized as a function?

fetchCarouselData: async (params) => {
  let bodyFormData = new FormData();
  for (let prop in params) {
    bodyFormData.append(prop, params[prop]);
  }
  return axios({
    method: "post",
    url: `${baseURL}/fetchCarouselData`,
    data: bodyFormData,
    headers: { "Content-Type": `multipart/form-data` },
  });
};

When making the API call using Axios in Next.js.

If I use "Content-Type": multipart/form-data;, I encounter a 'content-type missing boundary' error.
Using "Content-Type":
```
multipart/form-data; boundary=${bodyFormData.getBoundary()};
```
results in a bodyFormData.getBoundary is not a function error.

3) If I don't specify the content type at all ("header:{}") or omit the header parameter, I receive an "unsupported content-type" error.

How can this issue be resolved? Despite the errors, both methods still return a response from the API.

https://i.sstatic.net/OZiCr.png

https://i.sstatic.net/MLwxU.png

However, when testing in Postman, the result is obtained without any errors. https://i.sstatic.net/Borb7.png

javascript api next.js axios boundary

Answer 1

Answer №1

Everything is functioning properly in v1.2.2:

import axios from 'axios';
import FormData from 'form-data';

console.log(axios.VERSION);

const data = {x: "foo", y: "bar"};

let bodyFormData = new FormData();
for (let key in data) {
  bodyFormData.append(key, data[key]);
}

const {data: {form, headers}} = await axios({
  method: "post",
  url: `http://httpbin.org/post`,
  data: bodyFormData,
  headers: {"Content-Type": `multipart/form-data;`},
});

console.log('headers:', headers);
console.log('form', form);

Alternatively, you can use a more concise method:

import axios from 'axios';

const data = {x: "foo", y: "bar"};

const {data: {form, headers}} = await axios({
  method: "post",
  url: `http://httpbin.org/post`,
  data: data,
  headers: {"Content-Type": `multipart/form-data`},
});

console.log('headers:', headers);
console.log('form', form);

Output:

1.2.2

headers: {
  Accept: 'application/json, text/plain, */*',
  'Accept-Encoding': 'gzip, compress, deflate, br',
  'Content-Length': '262',
  'Content-Type': 'multipart/form-data; boundary=--------------------------310666769872409476705056',
  Host: 'httpbin.org',
  'User-Agent': 'axios/1.2.2'
}
form { x: 'foo', y: 'bar' }

Answer 2

Everything is functioning properly in v1.2.2:

import axios from 'axios';
import FormData from 'form-data';

console.log(axios.VERSION);

const data = {x: "foo", y: "bar"};

let bodyFormData = new FormData();
for (let key in data) {
  bodyFormData.append(key, data[key]);
}

const {data: {form, headers}} = await axios({
  method: "post",
  url: `http://httpbin.org/post`,
  data: bodyFormData,
  headers: {"Content-Type": `multipart/form-data;`},
});

console.log('headers:', headers);
console.log('form', form);

Alternatively, you can use a more concise method:

import axios from 'axios';

const data = {x: "foo", y: "bar"};

const {data: {form, headers}} = await axios({
  method: "post",
  url: `http://httpbin.org/post`,
  data: data,
  headers: {"Content-Type": `multipart/form-data`},
});

console.log('headers:', headers);
console.log('form', form);

Output:

1.2.2

headers: {
  Accept: 'application/json, text/plain, */*',
  'Accept-Encoding': 'gzip, compress, deflate, br',
  'Content-Length': '262',
  'Content-Type': 'multipart/form-data; boundary=--------------------------310666769872409476705056',
  Host: 'httpbin.org',
  'User-Agent': 'axios/1.2.2'
}
form { x: 'foo', y: 'bar' }

What are the steps to resolve the error 'content-type missing boundary' and encountering the issue with getBoundary not being recognized as a function?

Answer №1

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