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qr-code-scanner
Advanced tools
Readme
This is a SIMPLE qr-code-scanner that will allow you to open the user's camera, scan it and match a pattern or read the string out of the QR Code.
It is highly customizable for you to use it within your page's styles.
User will click a button, you will trigger the initiate method and a modal will open requesting permission to use the camera (only the first time).
The user will see the camera's output.
When a QRCode is found, it will trigger your onResult method and close the modal.
You can customize the modal and its layer.
You can use a regex to match only what you expect, ensuring the result will not be garbage.
You can require it, or use it as global:
require(['qr-code-scanner'], function (QRScanner) {...})
// OR
window.QRScanner
You will call the initiate
method, sending the options, like so:
QRScanner.initiate({
match: /^[a-zA-Z0-9]{16,18}$/, // optional
onResult: function (result) { console.info('DONE: ', result); },
onError: function (err) { console.error('ERR :::: ', err); }, // optional
onTimeout: function () { console.warn('TIMEOUT'); } // optional
})
In the options object, you can send:
import QRScanner from 'qr-code-scanner';
QRScanner.initiate({
onResult: (result) => { yourCustomCallback(result); },
timeout: 10000,
});
This lib uses some ES6 features like let, const and arrow functions, but inherits the reader from Lazar Laszlo's port of ZXing Java library. This project "cleans" some things like global variables and hardcoded ids from the previous projects, fixing some legacy problems.
FAQs
A SIMPLE qr-code scanner, that works and is simple to use. It will open the camera and wait for a match.
The npm package qr-code-scanner receives a total of 63 weekly downloads. As such, qr-code-scanner popularity was classified as not popular.
We found that qr-code-scanner demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
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