pure-svg-code
Generate qrcode and barcode
Feature
- SVG: can be used in any client support render svg like browser & 小程序 & Node.js;
- Small: write in pure javascript, no dependency;
- Typescript: support Typescript;
Install
Install from npm:
npm i pure-svg-code
Import it:
// import both
const {barcode,qrcode,svg2url} = require('pure-svg-code');
// import as you need
const barcode = require('pure-svg-code/barcode');
const qrcode = require('pure-svg-code/qrcode');
const svg2url = require('pure-svg-code/svg2url');
File size:
- qrcode: minified 17Kb, Gzip 5.7Kb
- barcode: minified 19Kb, Gzip 6.2Kb
qrcode
const svgString = qrcode({
content: "http://github.com/",
padding: 4,
width: 256,
height: 256,
color: "#000000",
background: "#ffffff",
ecl: "M"
})
Output svg content:
<?xml version="1.0" standalone="yes"?>
<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="256" height="256">
<rect x="0" y="0" width="256" height="256" style="fill:#ffffff;shape-rendering:crispEdges;"/>
<rect x="35.310344827586206" y="35.310344827586206" width="8.827586206896552" height="8.827586206896552" style="fill:#000000;shape-rendering:crispEdges;"/>
<rect x="44.13793103448276" y="35.310344827586206" width="8.827586206896552" height="8.827586206896552" style="fill:#000000;shape-rendering:crispEdges;"/>
...
</svg>
List of options:
content
- QR Code content, requiredpadding
- white space padding,4
modules by default,0
for no borderwidth
- QR Code width in pixelsheight
- QR Code height in pixelscolor
- color of modules, color name or hex string, e.g.#000000
background
- color of background, color name or hex string, e.g.white
ecl
- error correction level:L
,M
,H
,Q
barcode
Set it up and specify your type and options. The following 3 are the only required ones.
var svgString = barcode("9234567890128", "ean13", {width:'50', barWidth:1, barHeight:50});
Output svg content:
<svg xmlns="http://www.w3.org/2000/svg" version="1.1" viewBox="0 0 100 50" >
<rect width="2.0" height="50" x="0.0" y="0"/>
<rect width="3.9" height="50" x="3.9" y="0"/>
...
</svg>
Support types:
- codabar
- code11 (code 11)
- code39 (code 39)
- code93 (code 93)
- code128 (code 128)
- ean8 (ean 8)
- ean13 (ean 13)
- std25 (standard 2 of 5 - industrial 2 of 5)
- int25 (interleaved 2 of 5)
Support options:
barHeight
height of svg (default: 30);width
width of svg (default: 100);bgColor
background color css like (default: 'transparent');color
barcode color (default: '#000000');showHRI
: should show text under bar;
<img/>
tag
Use it with const {qrcode,svg2url} = require('pure-svg-code');
const svgString = qrcode('data');
const url = svg2url(svgString);
// set img element's src to url
imgEle.src = url;
This way can be used for browser & 小程序 or any client can render svg.
Use it in Node.js server
const {qrcode} = require('pure-svg-code');
app.get('/',function(req, res) {
const svgString = qrcode('data');
res.send(svgString)
})