How to append data in array in formdata?

Question

I'm Trying to send tag's ID in a array as tags will be multiple for a single blog.

const tagsList = data.tags.map((item: {
  value: number;
  label: string;
}) => {
  return {
    label: item.label, value: item.value
  }

here is the structure of data.tags

}

)
details.append('tags', tagsList)

I'm Trying in this way but i'm unable to do so

Can anyone help me sending the ids of tags in an array? Thanks in advance

Can you also please share what you expect tagsList to be (if the code was correct, what would tagsList look like)? I don't fully understand. Where is the id of the tag stored? In item.label or item.value? — Nizar
– Nizar, Commented Oct 6, 2021 at 7:50
I want to send data in tags as[8,9] which is the id of tags(multiple). And Each tags has label and value. I want to send its value — sudhansu bhattarai
– sudhansu bhattarai, Commented Oct 6, 2021 at 7:57
But where does the id come from? data.tags only includes label and value, but no id. — Nizar
– Nizar, Commented Oct 6, 2021 at 7:58

Nizar · Accepted Answer · 2021-10-06 08:09:06Z

1

Here's a the code:

There's an array of objects that include tags - a label and value for each tag. (Yours is called data.tags).
We declare a const tagsList, and use the map method on tags to return only the value in each tag.

Your use of map was inaccurate, you don't really have to pass the structure of each tag into the map method. Feel free to check out how map works here.

Let me know if the code works for you :)

  const tags = [{value:8,label:'2'},{value:10,label:'2'}]

  const tagsList = tags.map((item) => {
    return item.value
  })

  console.log(tagsList)

answered Oct 6, 2021 at 8:09

Nizar

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3 Comments

sudhansu bhattarai Over a year ago

I am getting tags: 8,10 in network header but throws this error "["Incorrect type. Expected pk value, received str."]" and throws 400 error.

Nizar Over a year ago

Thats a django question I assume. Now you're going to have to ask another question on the django forum :) The goal of this question is to give you the array you need in the form you wanted

sudhansu bhattarai Over a year ago

Thankyou for the help and sharing your thoughts. It solved the goal of this question.

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