react-base64-downloader
v2.1.7
Published
Easily convert and download base64 strings or HTMLCanvasElements as image files in React.
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react-base64-downloader
Easily trigger the download of base64 encoded .png
or .jpg
images in React.
Installation
npm install --save react-base64-downloader
Usage
Trigger downloads using the React Base64Downloader
component.
import Base64Downloader from 'react-base64-downloader';
// ...
const base64 =
'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAIAAACQd1PeAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAYdEVYdFNvZnR3YXJlAHBhaW50Lm5ldCA0LjEuNv1OCegAAAAMSURBVBhXY/jPYAwAAzQBM849AKsAAAAASUVORK5CYII=';
// simple
<Base64Downloader base64={base64} downloadName="1x1_red_pixel">
Click to download
</Base64Downloader>
// advanced
<Base64Downloader
base64={base64}
downloadName="1x1_red_pixel"
Tag="a"
extraAttributes={{ href: '#' }}
className="my-class-name"
style={{ color: 'orange' }}
onDownloadSuccess={() => console.log('File download initiated')}
onDownloadError={() => console.warn('Download failed to start')}
>
Click to download
</Base64Downloader>
);
Trigger downloads using the triggerBase64Download
method.
import { triggerBase64Download } from 'react-base64-downloader';
// ...
const base64 =
'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAIAAACQd1PeAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAYdEVYdFNvZnR3YXJlAHBhaW50Lm5ldCA0LjEuNv1OCegAAAAMSURBVBhXY/jPYAwAAzQBM849AKsAAAAASUVORK5CYII=';
<button onClick={() => triggerBase64Download(base64, 'my_download_name')}>
Click to download
</button>;
Examples
See examples here
Pull requests
If you plan on spinning up this repo locally and submitting PR's, please ensure you use Prettier to lint the JS.
First run npm link react-base64-downloader
to create a symlink in the node_modules folder locally.
Next run the dev script npm run dev
. Once running, you can open the example/example.html
file locally in the browser to see the output. There's no dev server configured.
Note: hot-reloading is not configured.
Building
First run npm link react-base64-downloader
to create a symlink in the node_modules folder locally.
And then simply run npm run build
to bundle the code for a production release.