README.md

react-use-downloader

Creates a download handler function with its progress information and cancel ability.

---

Statements	Branches	Functions	Lines

Table of Contents

• Running example
• Install
• Usage
• Documentation
• License

---

Running example

Plain
Preview!

You may find another example in this project which are served at Github Pages.

---

Install

npm install --save react-use-downloader

---

Usage

import React from 'react';
import useDownloader from 'react-use-downloader';

export default function App() {
  const {
    size,
    elapsed,
    percentage,
    download,
    cancel,
    error,
    isInProgress,
  } = useDownloader();

  const fileUrl =
    'https://upload.wikimedia.org/wikipedia/commons/4/4d/%D0%93%D0%BE%D0%B2%D0%B5%D1%80%D0%BB%D0%B0_%D1%96_%D0%9F%D0%B5%D1%82%D1%80%D0%BE%D1%81_%D0%B2_%D0%BF%D1%80%D0%BE%D0%BC%D1%96%D0%BD%D1%8F%D1%85_%D0%B2%D1%80%D0%B0%D0%BD%D1%96%D1%88%D0%BD%D1%8C%D0%BE%D0%B3%D0%BE_%D1%81%D0%BE%D0%BD%D1%86%D1%8F.jpg';
  const filename = 'beautiful-carpathia.jpg';

  return (
    <div className="App">
      <p>Download is in {isInProgress ? 'in progress' : 'stopped'}</p>
      <button onClick={() => download(fileUrl, filename)}>
        Click to download the file
      </button>
      <button onClick={() => cancel()}>Cancel the download</button>
      <p>Download size in bytes {size}</p>
      <label for="file">Downloading progress:</label>
      <progress id="file" value={percentage} max="100" />
      <p>Elapsed time in seconds {elapsed}</p>
      {error && <p>possible error {JSON.stringify(error)}</p>}
    </div>
  );
}

---

Documentation

useDownloader() returns:

• An object with the following keys:

key	description	arguments
size	size in bytes	n/a
elapsed	elapsed time in seconds	n/a
percentage	percentage in string	n/a
download	download function handler	(downloadUrl: string, filename: string)
cancel	cancel function handler	n/a
error	error object from the request	n/a
isInProgress	boolean denoting download status	n/a

const {
  size,
  elapsed,
  percentage,
  download,
  cancel,
  error,
  isInProgress,
} = useDownloader();

---

License

react-use-downloader is MIT licensed.

---

This hook is created using create-react-hook.