Business
Jobs
  • About Us
  • Solutions
    • Job Postings
      Post your job and receive qualified candidates in 48h.
    • Candidate Assessments
      500+ technical and psychological tests, plus anti-fraud.
    • Headhunting
      Tailor-made executive search from start to finish.
    • Payroll + EOR
      Payroll dispersal and EOR across 15+ LATAM countries.
  • Pricing
  • Jobs

0

525
Views
Convert to base64 from response.body which is in readablestream format

I have a http request in javascript that returns content of a file in the response. The response.body is in readablestream format. I need to get the file content in base64 format and upload in a different location. Can I know what is the best approach to convert the content to base64 string?

var url="httpurl";
var dataContent= await fetch(url);

var textContent= await dataContent.blob(); 

Next line is to make https call to upload a file with content in base64 string format.

I would like to know how the datacontent can be converted to base64 string.

dataContent is as in below image:

enter image description here

about 4 years ago · Juan Pablo Isaza
1 answers
Answer question

0

This answer has more info on how to get the response from a ReadableStream. Here's the main part with the base64 conversion included. The base64encode function is based on this

function base64encode(str: string): string {
  return btoa(unescape(encodeURIComponent(str)));
}

fetch('https://jsonplaceholder.typicode.com/posts/1')
  .then(function(response) {
    return response.text();
  }).then(function(data) {
    const base64encodedData = base64encode(data);
    console.log(data); // this will be a string
  });
about 4 years ago · Juan Pablo Isaza Report
Answer question
Find remote jobs

Discover the new way to find a job!

Top jobs
Top job categories
Business
Post vacancy Pricing Sales
Legal
Terms and conditions Privacy policy
© 2026 PeakU Inc. All Rights Reserved.
Andres GPT
Show me some job opportunities
There's an error!