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86 lines
2.1 KiB
JavaScript
86 lines
2.1 KiB
JavaScript
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at app://mozilla.org/MPL/2.0/.
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*/
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var printer = require("node-thermal-printer");
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var express = require('express');
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var app = express();
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app.use(function (req, res, next) {
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res.header("Access-Control-Allow-Origin", "*");
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res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
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next();
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});
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app.use(express.json());
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function initPrinter() {
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printer.init({
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type: devtype,
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interface: device
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});
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}
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function printLine(line) {
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if (line.format.indexOf('bold') > -1) {
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printer.bold(true);
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} else {
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printer.bold(false);
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}
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if (line.format.indexOf('hr') > -1) {
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printer.drawLine();
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} else if (line.format.indexOf('blank') > -1) {
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printer.newLine();
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} else {
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console.log(line.text);
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printer.println(line.text);
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}
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}
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app.use('/', express.static('control'));
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app.get('/status', function (request, response) {
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response.send({
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status: "OK",
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width: linewidth
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});
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});
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app.post('/print', function (request, response) {
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initPrinter();
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var receipt = request.body;
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console.log(JSON.stringify(request.body));
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var header = receipt.header.length > 0;
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var footer = receipt.footer.length > 0;
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receipt.header.forEach(function (line) {
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printLine(line);
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});
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if (header) {
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printLine({text: '', format: ['hr']});
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}
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receipt.lines.forEach(function (line) {
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printLine(line);
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});
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if (footer) {
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printLine({text: '', format: ['hr']});
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}
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receipt.footer.forEach(function (line) {
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printLine(line);
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});
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printer.cut();
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printer.execute();
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response.send({
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status: "OK"
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});
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});
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app.post('/opendrawer', function (request, response) {
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initPrinter();
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printer.openCashDrawer();
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printer.execute();
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response.send({
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status: "OK"
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});
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});
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app.listen(64269); |