56 lines
1.3 KiB
JavaScript
56 lines
1.3 KiB
JavaScript
const electron = typeof process !== 'undefined' && process.versions && !!process.versions.electron;
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function PrinterIface(printerName, moduleName) {
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this.name = printerName;
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if (moduleName && typeof moduleName === "object") {
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this.driver = moduleName;
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} else {
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this.driver = require(moduleName || (electron ? "electron-printer" : "printer"));
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}
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}
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PrinterIface.prototype.getPrinterName = function() {
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var name = this.name;
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if (!name || name === "auto") {
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const pl = this.driver.getPrinters().filter(function(p) { return p.attributes.indexOf("RAW-ONLY") > -1 });
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if (pl.length > 0) {
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name = pl[0].name;
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}
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}
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if (!name || name === "auto") {
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throw "A RAW-ONLY Printer could not be detected. Please configure a Printer-Name";
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}
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return name;
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};
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PrinterIface.prototype.isPrinterConnected = function(exists){
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if (this.driver.getPrinter(this.getPrinterName())) {
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exists(true);
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} else {
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exists(false);
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}
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};
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PrinterIface.prototype.execute = function(buffer, cb) {
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this.driver.printDirect({
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data: buffer,
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printer: this.getPrinterName(),
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type: "RAW",
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success: function(jobID) {
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if (typeof cb === "function") {
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cb(null);
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}
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},
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error: function(err) {
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if (typeof cb === "function") {
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cb(err);
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}
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}
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});
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};
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module.exports = PrinterIface;
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