react-native-brother-print/index.js

React Native module for printing with Brother printers via WiFi and Bluetooth

// main index.js

import { NativeModules } from 'react-native';

const { ReactNativeBrotherPrint } = NativeModules;

if (!ReactNativeBrotherPrint) {
  console.error('[BrotherPrint] Native module not found!');
  throw new Error('ReactNativeBrotherPrint module is not available');
}

export function printImageViaWifi(uri, ipAddress, modelName, options = {}) {
  if (!uri) {
    console.error('[BrotherPrint] uri missing');
    throw new Error('image uri missing');
  }

  if (!ipAddress) {
    console.error('[BrotherPrint] ipAddress missing');
    throw new Error('ip address missing');
  }

  if (!modelName) {
    console.error('[BrotherPrint] modelName missing');
    throw new Error('model name missing');
  }

  // Extract halftone and thresholdingValue from options
  const { halftone, thresholdingValue } = options;

  return new Promise((resolve, reject) => {
    ReactNativeBrotherPrint.printImageViaWifi(uri, ipAddress, modelName, halftone, thresholdingValue)
      .then(result => {
        resolve(result);
      })
      .catch(error => {
        console.error('[BrotherPrint] printImageViaWifi error:', error);
        reject(error);
      });
  });
}

export function printImageViaBluetooth(uri, modelName, options = {}) {
  if (!uri) {
    console.error('[BrotherPrint] uri missing');
    throw new Error('image uri missing');
  }

  if (!modelName) {
    console.error('[BrotherPrint] modelName missing');
    throw new Error('modelName missing');
  }

  // Extract halftone and thresholdingValue from options
  const { halftone, thresholdingValue } = options;

  return new Promise((resolve, reject) => {
    ReactNativeBrotherPrint.printImageViaBluetooth(uri, modelName, halftone, thresholdingValue)
      .then(result => {
        resolve(result);
      })
      .catch(error => {
        console.error('[BrotherPrint] printImageViaBluetooth error:', error);
        reject(error);
      });
  });
}