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README.md

🚧 WIP: BarcodeDetector Polyfill 🚧

Spec compliant polyfill of the Barcode Detection API. It can be used for barcode/QR-code recognition in images from various kinds of sources including <canvas>, <img>, <image> (inside SVGs), <video>, File, Blob, ImageData, ImageBitmap, OffscreenCanvas.

[TODO: live demos]

Installation

npm install barcode-detector

import BarcodeDetector from "barcode-detector"

// polyfill unless already supported
if (!("BarcodeDetector" in window)) {
  window.BarcodeDetector = BarcodeDetector
}

Usage

For in-depth documentation checkout the corresponding MDN page.

Supported Formats

✔️ aztec
✔️ code_128
✔️ code_39
❌ code_93
❌ codabar
✔️ data_matrix
✔️ ean_13
✔️ ean_8
✔️ itf
✔️ pdf417
✔️ qr_code
❌ upc_a
❌ upc_e