@tillpos/rn-receipt-printer-utils/lib/module/epson.js

Fork of react-native-printer. A React Native Library to support USB/BLE/Net printer

import EscPosPrinter, { getPrinterSeriesByName } from 'react-native-esc-pos-printer';
var isExecuting = false;
export const EpsonUtil = {
  connectAndSend: async (host, data, isLan, series, successCallback, errorCallback) => {
    if (isExecuting) {
      errorCallback('last function is still executing');
      return;
    }

    try {
      isExecuting = true;
      const target = (isLan ? 'TCP:' : 'BT:') + host;
      console.log('in here');
      await EscPosPrinter.init({
        target: target,
        seriesName: getPrinterSeriesByName(series)
      });
      const printing = new EscPosPrinter.printing();
      const status = await printing.initialize().data(data).send();
      successCallback('Successfully printed with status:' + status);
    } catch (e) {
      errorCallback(e);
    } finally {
      isExecuting = false;
    }
  }
};
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