wc-qrcode
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-qrcodeAfter 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
or
<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
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;
}