qr-mon

Microservice to create qr data stream in NodeJS with customized design options.

                   

Getting Started

npm install qr-mon --save

var express = require('express');
var app = express();

var qr-mon = require('qr-mon');

app.get('/qr', function(req, res) {
    let error = false;
    let options = req.query;
    let text = req.query.data ? req.query.data : error = true;
    if (!error) {
        var code = qr-mon.generate(text, options);
        res.type('svg');
        res.send(code);
    } else {
        res.status(500);
        res.json({ error: 'Needs text to be encoded' });
    }
});

app.listen(3000, () => console.log('server started.....'));

HTML

<img src="http://localhost:3000/qr?data=my_data">

Options

margin

Margin to be left around the qr code

Type: Integer
Default : 0

background

Background color the qr code

Type: rgb()
Default : transparent

shape

Shape of points inside the body of the qr code

Default : 0, square

Option	Image
0
1
2
3

eye ball

Shape of inner section of the position markers

Default : 0, square

Option	Image
0
1
2
3
4
5
6
7
8
9
rotary

eye frame

Shape of frame of the position markers

Default : 0, square

Option	Image
0
1
2
3
4
5
6
7
8
9

fill

Fill of the qr code

Default : solid

• solid
• linear-horizontal
• linear-vertical
• radial

color

color of the qr code

Default :
solid : black
gradient : rgb(0,0,0), rgb(2,119,189)

• solid - rgb / name of color
• gradient - color1.color2

 

1. http://localhost:3000/qr?data=my_data&fill=radial&color=red.black

2. http://localhost:3000/qr?data=my_data&fill=radial  (default-fill)