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wc-qrcode

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wc-qrcode

An efficient and lightweight QR Code WebComponent integrated with Rust wasm library.

0.2.0
latest
Source
npm

Version published: last year

Maintainers: 1

Created: 2 years ago

Source

wc-qrcode

license

An efficient and lightweight QR Code WebComponent integrated with Rust wasm library.

Installation

You can install wc-qrcode with npm, or just get started quickly with CDN.

Install from npm

To install from npm, open terminal in your project folder and run:

npm install wc-qrcode

After the package is installed, then you can import the qrcode webcomponent into you code:

import 'wc-qrcode';

window.onload = function() {
  let qrElement = document.createElement('qr-code');
  qrElement.setAttribute('text', 'https://example.org');
  qrElement.setAttribute('size', '6');
  document.body.appendChild(qrElement);
}

Install from CDN

There is jsDelivr CDN available for quickly integrated with your web page.

https://cdn.jsdelivr.net/npm/wc-qrcode@0.1.6

<script src="https://cdn.jsdelivr.net/npm/wc-qrcode@0.1.6"></script>

Basic Usages:

<html>
  <head>

    <!-- Load QR WebComponent library -->
    <script src="https://cdn.jsdelivr.net/npm/wc-qrcode@0.1.6"></script>
    <!-- End Load -->

  </head>

  <body>

    <!-- Using "qr-code" html tag to generate QR Code -->
    <qr-code
      text="https://github.com/yishiashia/wc-qrcode"
      size="6"
    ></qr-code>

  </body>
</html>

Demo page

Live Demo

Attributes

text

String type. The data of QR Code.

size

Number type. The QR code image size (multiply by 16px).

alt

String type. The alt description text of the generated qrcode image.

Element Properties

Property	Type	Description
text	String	The data string to generate QR code.
size	Integer	The QR Code image size (width and height would be the size multiply by 16px).
alt	String	The alt description text of the generated qrcode image.

You can update the qrcode component by setting its properties.

For example:

const qrElement = document.getElementsByTagName("qr-code")[0];

if (qrElement !== undefined) {
  qrElement.text = "https://www.example.org";
  qrElement.alt = "URL of example.org";
  qrElement.size = 10;
}

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Package last updated on 04 Oct 2023

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