Deankinyua

// * we need a slice of JavaScript that the client will invoke to
// * send a post request to the signed url with the signed form data

// the name S3 matches what we declared in our SimpleS3Upload module
let Uploaders = {};

Uploaders.S3 = function (entries, onViewError) {
  entries.forEach((entry) => {
    // Prepares an AJAX request
    let xhr = new XMLHttpRequest();

Deankinyua

defmodule SimpleS3Upload do
  @moduledoc """
  Dependency-free S3 Form Upload using HTTP POST sigv4
  https://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-post-example.html
  """

  @doc """
  Signs a form upload.
  The configuration is a map which must contain the following keys:
  config = %{