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javascript-barcode-reader

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javascript-barcode-reader

Simple & Fast Barcode decoder for Browser and Node.js


Version published
Maintainers
1
Weekly downloads
654
decreased by-20.82%

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Javascript-Barcode-Reader

Simple & Fast Barcode decoder for Browsers and Node.js capapable of reading Code128 (UCC/EAN-128), Code93, Code39, Standard/Industrial 2 of 5, Interleaved 2 of 5, Codabar and EAN-13 barcodes.

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NPM

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):

npm i javascript-barcode-reader

or use cdn:

<script src="//unpkg.com/javascript-barcode-reader"></script>

or download manually:

javascript-barcode-reader

Node.js

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 sahded portions
    // singlePass: true
  }
})
  .then(code => {
    console.log(code)
  })
  .catch(err => {
    console.log(err)
  })

Browser

javascriptBarcodeReader will be available as global in Browsers.

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 sahded 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):

Cristian Nitescu
Cristian Nitescu

💻

This project follows the all-contributors specification. Contributions of any kind welcome!

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Last updated on 08 Jul 2021

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