QR Code

QR Code encoding and rendering. Demo.

Basic Usage

import QRCode

qrCodeView : String -> Html msg
qrCodeView message =
    QRCode.encode message
        |> Result.map QRCode.toSvg
        |> Result.withDefault
            (Html.text "Error while encoding to QRCode.")

If you would like more functionalities, please open an issue on github.

Changelog

• 2.0.0:
  • TL;DR: Separate encoding from rendering, add string rendering.
  • Add QRCode.encode;
  • Add QRCode.encodeWithECLevel;
  • Add QRCode.toString;
  • Change QRCode.toSvg;
  • Change QRCode.Error.Error;
  • Remove QRCode.toSvgWithECLevel;
• 1.1.0
  • Add toSvgWithECLevel;
  • Expose ECLevel;
  • Thanks again @joshmh!
• 1.0.2
  • Fix bit to byte conversion bug. Thanks @joshmh!
• 1.0.1 - Refactored encoder to use bitwise operations instead of string manipulation; - Refactored matrix to use bitwise operations instead of string manipulation; - Dropped ParseInt dependence; - Perfomance improvements.

Thanks

Thank you Carolyn Eby, for creating this great tutorial on how QR Code works.

Thank you Evan for bringing joy to the frontend.