38 lines
900 B
JavaScript
38 lines
900 B
JavaScript
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const fs = require('fs');
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const Interface = require('./interface');
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class File extends Interface {
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constructor (path) {
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super();
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this.path = path;
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this.writeFile = require('write-file-queue')({
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retries: 1000, // number of write attempts before failing
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waitTime: 200, // number of milliseconds to wait between write attempts
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});
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}
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async isPrinterConnected () {
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try {
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return fs.existsSync(this.path);
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} catch (error) {
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throw error;
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}
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}
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async execute (buffer, options = {}) {
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return new Promise((resolve, reject) => {
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const pTimeout = setTimeout(() => { reject('Printer Error'); }, 5000);
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this.writeFile(this.path, buffer, (error) => {
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clearTimeout(pTimeout);
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if (error) {
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reject(error);
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} else {
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resolve('Print done');
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}
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});
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});
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}
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}
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module.exports = File;
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