epos-print-xml/lib/PrintDataNode.js

A package to produce the xml needed for Epson Server Direct Print

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.eposPrintRequest = exports.eposPrintJob = exports.qrCode = exports.image = exports.cut = exports.feed = exports.text = exports.PrintDataNode = exports.sanitise = void 0;
const sanitise = (xmlString) => xmlString.replace(/[<>&'"]/g, (unsafeString) => {
    switch (unsafeString) {
        case '<':
            return '&lt;';
        case '>':
            return '&gt;';
        case '&':
            return '&amp;';
        case "'":
            return '&apos;';
        case '"':
            return '&quot;';
        default:
            return unsafeString;
    }
});
exports.sanitise = sanitise;
class PrintDataNode {
    constructor(tagName, att = {}, children = [], text = '') {
        this.text = '';
        this.tagName = tagName;
        this.att = att;
        this.text = text;
        this.children = children;
    }
    xml(rootNode = false) {
        const nodeXml = `<${this.tagName}` +
            (Object.keys(this.att).length > 0
                ? ` ${Object.entries(this.att)
                    .map((att) => {
                    const [attName, value] = att;
                    return `${attName}="${value.toString()}"`;
                })
                    .join(' ')}`
                : '') +
            (this.children.length !== 0 || this.text
                ? '>' + (0, exports.sanitise)(this.text) + this.children.map((child) => child.xml()).join('') + `</${this.tagName}>`
                : '/>');
        return rootNode ? `<?xml version="1.0" encoding="utf-8"?> ${nodeXml}` : nodeXml;
    }
}
exports.PrintDataNode = PrintDataNode;
const text = (text = '', att = {}) => new PrintDataNode('text', att, [], text);
exports.text = text;
const feed = (lines = 1) => new PrintDataNode('feed', { line: lines });
exports.feed = feed;
const cut = () => new PrintDataNode('cut', { type: 'feed' });
exports.cut = cut;
const image = (width, height, base64Image, align = 'center') => new PrintDataNode('image', { width, height, align }, undefined, base64Image);
exports.image = image;
const qrCode = (text, width = '10') => new PrintDataNode('symbol', { type: 'qrcode_model_1', width, align: 'center' }, undefined, text);
exports.qrCode = qrCode;
const eposPrintJob = (printData, devId = 'local_printer', timeout = 10000) => {
    return new PrintDataNode('ePOSPrint', undefined, [
        new PrintDataNode('Parameter', undefined, [
            new PrintDataNode('devid', undefined, undefined, devId),
            new PrintDataNode('timeout', undefined, undefined, timeout.toString()),
        ]),
        new PrintDataNode('PrintData', undefined, [
            new PrintDataNode('epos-print', { xmlns: 'http://www.epson-pos.com/schemas/2011/03/epos-print' }, printData),
        ]),
    ]);
};
exports.eposPrintJob = eposPrintJob;
const eposPrintRequest = (printJobs) => new PrintDataNode('PrintRequestInfo', undefined, printJobs);
exports.eposPrintRequest = eposPrintRequest;