Electron-pos-printer is a plugin that works to ease paper formatting and printing to thermal printers. it currently supports 80mm, 78mm, 76mm, 58mm, 57mm and 44mm printers thermal printers. it is built with Electron.js and Node.js
APACHE-2.0 License
A customizable electron.js printing plugin specifically designed for thermal receipt printers. It supports 80mm, 78mm, 76mm, 58mm, 57mm, 44mm printers. It currently supports versions of electron >= 6.x.x
$ npm install electron-pos-printer
$ yarn add electron-pos-printer
Check out this Demo by fssonca
const {PosPrinter} = require("electron-pos-printer");
const {PosPrinter} = require('electron').remote.require("electron-pos-printer");
Electron >= v10.x.x
const {PosPrinter} = require('@electron/remote').remote.require("electron-pos-printer");
const {PosPrinter} = require("electron-pos-printer");
const path = require("path");
const options = {
preview: false,
margin: '0 0 0 0',
copies: 1,
printerName: 'XP-80C',
timeOutPerLine: 400,
pageSize: '80mm' // page size
}
const data = [
{
type: 'image',
url: 'https://randomuser.me/api/portraits/men/43.jpg', // file path
position: 'center', // position of image: 'left' | 'center' | 'right'
width: '160px', // width of image in px; default: auto
height: '60px', // width of image in px; default: 50 or '50px'
},{
type: 'text', // 'text' | 'barCode' | 'qrCode' | 'image' | 'table
value: 'SAMPLE HEADING',
style: {fontWeight: "700", textAlign: 'center', fontSize: "24px"}
},{
type: 'text', // 'text' | 'barCode' | 'qrCode' | 'image' | 'table'
value: 'Secondary text',
style: {textDecoration: "underline", fontSize: "10px", textAlign: "center", color: "red"}
},{
type: 'barCode',
value: '023456789010',
height: 40, // height of barcode, applicable only to bar and QR codes
width: 2, // width of barcode, applicable only to bar and QR codes
displayValue: true, // Display value below barcode
fontsize: 12,
},{
type: 'qrCode',
value: 'https://github.com/Hubertformin/electron-pos-printer',
height: 55,
width: 55,
style: { margin: '10 20px 20 20px' }
},{
type: 'table',
// style the table
style: {border: '1px solid #ddd'},
// list of the columns to be rendered in the table header
tableHeader: ['Animal', 'Age'],
// multi dimensional array depicting the rows and columns of the table body
tableBody: [
['Cat', 2],
['Dog', 4],
['Horse', 12],
['Pig', 4],
],
// list of columns to be rendered in the table footer
tableFooter: ['Animal', 'Age'],
// custom style for the table header
tableHeaderStyle: { backgroundColor: '#000', color: 'white'},
// custom style for the table body
tableBodyStyle: {'border': '0.5px solid #ddd'},
// custom style for the table footer
tableFooterStyle: {backgroundColor: '#000', color: 'white'},
},{
type: 'table',
style: {border: '1px solid #ddd'}, // style the table
// list of the columns to be rendered in the table header
tableHeader: [{type: 'text', value: 'People'}, {type: 'image', path: path.join(__dirname, 'icons/animal.png')}],
// multi-dimensional array depicting the rows and columns of the table body
tableBody: [
[{type: 'text', value: 'Marcus'}, {type: 'image', url: 'https://randomuser.me/api/portraits/men/43.jpg'}],
[{type: 'text', value: 'Boris'}, {type: 'image', url: 'https://randomuser.me/api/portraits/men/41.jpg'}],
[{type: 'text', value: 'Andrew'}, {type: 'image', url: 'https://randomuser.me/api/portraits/men/23.jpg'}],
[{type: 'text', value: 'Tyresse'}, {type: 'image', url: 'https://randomuser.me/api/portraits/men/53.jpg'}],
],
// list of columns to be rendered in the table footer
tableFooter: [{type: 'text', value: 'People'}, 'Image'],
// custom style for the table header
tableHeaderStyle: { backgroundColor: 'red', color: 'white'},
// custom style for the table body
tableBodyStyle: {'border': '0.5px solid #ddd'},
// custom style for the table footer
tableFooterStyle: {backgroundColor: '#000', color: 'white'},
},
]
PosPrinter.print(data, options)
.then(console.log)
.catch((error) => {
console.error(error);
});
import {PosPrinter, PosPrintData, PosPrintOptions} from "electron-pos-printer";
import * as path from "path";
const options: PosPrintOptions = {
preview: false,
margin: '0 0 0 0',
copies: 1,
printerName: 'XP-80C',
timeOutPerLine: 400,
pageSize: '80mm' // page size
}
const data: PosPrintData[] = [
{
type: 'image',
url: 'https://randomuser.me/api/portraits/men/43.jpg', // file path
position: 'center', // position of image: 'left' | 'center' | 'right'
width: '160px', // width of image in px; default: auto
height: '60px', // width of image in px; default: 50 or '50px'
},{
type: 'text', // 'text' | 'barCode' | 'qrCode' | 'image' | 'table
value: 'SAMPLE HEADING',
style: {fontWeight: "700", textAlign: 'center', fontSize: "24px"}
},{
type: 'text', // 'text' | 'barCode' | 'qrCode' | 'image' | 'table'
value: 'Secondary text',
style: {textDecoration: "underline", fontSize: "10px", textAlign: "center", color: "red"}
},{
type: 'barCode',
value: '023456789010',
height: 40, // height of barcode, applicable only to bar and QR codes
width: 2, // width of barcode, applicable only to bar and QR codes
displayValue: true, // Display value below barcode
fontsize: 12,
},{
type: 'qrCode',
value: 'https://github.com/Hubertformin/electron-pos-printer',
height: 55,
width: 55,
style: { margin: '10 20px 20 20px' }
},{
type: 'table',
// style the table
style: {border: '1px solid #ddd'},
// list of the columns to be rendered in the table header
tableHeader: ['Animal', 'Age'],
// multi dimensional array depicting the rows and columns of the table body
tableBody: [
['Cat', 2],
['Dog', 4],
['Horse', 12],
['Pig', 4],
],
// list of columns to be rendered in the table footer
tableFooter: ['Animal', 'Age'],
// custom style for the table header
tableHeaderStyle: { backgroundColor: '#000', color: 'white'},
// custom style for the table body
tableBodyStyle: {'border': '0.5px solid #ddd'},
// custom style for the table footer
tableFooterStyle: {backgroundColor: '#000', color: 'white'},
},{
type: 'table',
style: {border: '1px solid #ddd'}, // style the table
// list of the columns to be rendered in the table header
tableHeader: [{type: 'text', value: 'People'}, {type: 'image', path: path.join(__dirname, 'icons/animal.png')}],
// multi-dimensional array depicting the rows and columns of the table body
tableBody: [
[{type: 'text', value: 'Marcus'}, {type: 'image', url: 'https://randomuser.me/api/portraits/men/43.jpg'}],
[{type: 'text', value: 'Boris'}, {type: 'image', url: 'https://randomuser.me/api/portraits/men/41.jpg'}],
[{type: 'text', value: 'Andrew'}, {type: 'image', url: 'https://randomuser.me/api/portraits/men/23.jpg'}],
[{type: 'text', value: 'Tyresse'}, {type: 'image', url: 'https://randomuser.me/api/portraits/men/53.jpg'}],
],
// list of columns to be rendered in the table footer
tableFooter: [{type: 'text', value: 'People'}, 'Image'],
// custom style for the table header
tableHeaderStyle: { backgroundColor: 'red', color: 'white'},
// custom style for the table body
tableBodyStyle: {'border': '0.5px solid #ddd'},
// custom style for the table footer
tableFooterStyle: {backgroundColor: '#000', color: 'white'},
},
]
PosPrinter.print(data, options)
.then(console.log)
.catch((error) => {
console.error(error);
});
Options | Required | Type | Description |
---|---|---|---|
printerName | No | string |
The printer's name. If not set, the system's default printer will be used. |
copies | No | number |
The number of copies to print |
preview | No | boolean |
Preview print job in a window. Default is false
|
width | No | string |
Width of a page's content |
margin | No | string |
Margin of a page's content. CSS margin values can be used Ex. 0 10px
|
timeOutPerLine | No | number |
Timeout per line in milliseconds. Default value is 400 |
silent | No | boolean |
To print silently without the system displaying the printer selection window. Default value is true
|
pageSize | No |
PaperSize , SizeOptions
|
Configure the paper size which is supported by your printer. values are are 80mm , 78mm , 76mm , 58mm , 57mm , 44mm or object with width and height properties in pixels. |
pathTemplate | No | string |
Path to custom html template. Can be used for custom print styles. |
header | No | string |
Text to be printed as page header. |
footer | No | string |
Text to be printed as page footer. |
margins | No | object |
Page margins. See electron docs |
landscape | No | boolean |
Whether the page should be printed in landscape mode. Default is false . |
scaleFactor | No | number |
The scale factor of the web page. |
pagesPerSheet | No | number |
The number of pages to print per page sheet. |
collate | No | boolean |
Whether the page should be collated. |
pageRanges | No | object[] |
The page range to print. See electron docs |
duplexMode | No | string |
Set the duplex mode of the printed web page. See electron docs |
dpi | No | object |
See electron docs |
Important!!
The
css
property is no longer supported, use the style property instead of css. Example:style: {fontWeight: "700", textAlign: 'center', fontSize: "24px"}
Property | Type | Description |
---|---|---|
type | string |
text , qrCode , barCode , image , table // type text can be an html string |
value | string |
Value of the current row |
height | number |
Applicable to type barCode and qrCode |
width | number |
Applicable to type barCode and qrCode |
style | PrintDataStyle |
Add css styles to line (jsx syntax) ex: {fontSize: 12, backgroundColor: '#2196f3}
|
displayValue | boolean |
Display value of barcode below barcode |
position | string |
left , center , right applicable to types qrCode and image |
path | string |
Path or url to the image asset |
url | string |
Url to image or a base 64 encoding of image |
tableHeader |
PosPrintTableField[] or string[]
|
The columns to be rendered in the header of the table. Works with type table
|
tableBody |
PosPrintTableField[][] or string[][]
|
The columns to be rendered in the body of the table. Works with type table
|
tableFooter |
PosPrintTableField[] or string[]
|
The columns to rendered it the footer of the table. Works with type table
|
tableHeaderStyle | string |
Set a custom style to the table header |
tableBodyStyle | string |
Set a custom style to the table body |
tableFooterStyle | string |
Set a custom style to the table footer |
Thanks to our contributors 🎉👏