## Try now
https://codesandbox.io/s/javascript-barcode-reader-liium
## Available decoders
- EAN-13
- EAN-8
- Code-39
- Code-93
- Code-2of5
- standard
- Interleaved
- Codabar
- Code-128 (UCC/EAN-128)
## How to use
### Install
Recommended way to install is by using package manager (npm, yarn etc):
```bash
npm i javascript-barcode-reader
```
or use cdn:
```html
```
or download manually:
[javascript-barcode-reader](https://unpkg.com/javascript-barcode-reader)
### Node.js
```ts
import javascriptBarcodeReader from 'javascript-barcode-reader'
javascriptBarcodeReader({
/* Image file Path || {data: Uint8ClampedArray, width, height} || HTML5 Canvas ImageData */
image: source,
barcode: 'code-2of5',
// barcodeType: 'industrial',
options: {
// useAdaptiveThreshold: true // for images with shaded/ gradient portions
// singlePass: true
}
})
.then(code => {
console.log(code)
})
.catch(err => {
console.log(err)
})
```
### Browser
`javascriptBarcodeReader` will be available as global in Browsers.
```js
javascriptBarcodeReader({
/* Image ID || HTML5 Image || HTML5 Canvas || HTML5 Canvas ImageData || Image URL */
image: source,
barcode: 'code-2of5',
// barcodeType: 'industrial',
options: {
// useAdaptiveThreshold: true // for images with shaded/ gradient portions
// singlePass: true
}
})
.then(code => {
console.log(code)
})
.catch(err => {
console.log(err)
})
```
## Note
- This script does not implement logic to locate/rotate barcode in the given image.
- Make sure the barcode image is the only thing in the image. Otherwise this script will most probably fail.
## Contributing
- Each decoder is defined in `src` directory as a module.
- Tests are defined in the `tests` directory using `Jest`.
## Contributors
Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/docs/en/emoji-key)):
 Cristian Nitescu 💻 |