react-native-scanbot-barcode-scanner-sdk/lib/module/ui_v2/index.js

Scanbot Barcode Scanner SDK React Native Plugin for Android and iOS

import { NativeEventEmitter, NativeModules, Platform } from 'react-native';
import { SingleScanningMode } from './barcode/SingleScanningModeUseCase';
import { MultipleScanningMode } from './barcode/MultipleScanningModeUseCase';
const LINKING_ERROR = `The package 'react-native-scanbot-barcode-scanner-sdk' doesn't seem to be linked. Make sure: \n\n` + Platform.select({
  ios: "- You have run 'pod install'\n",
  default: ''
}) + '- You rebuilt the app after installing the package\n' + '- You are not using Expo Go\n';
const ScanbotBarcodeSDKImpl = NativeModules.ScanbotBarcodeSdk ? NativeModules.ScanbotBarcodeSdk : new Proxy({}, {
  get() {
    throw new Error(LINKING_ERROR);
  }
});
const isIOS = Platform.OS === 'ios';

/**
 * Opens the Ready-To-Use UI screen for scanning barcodes with the desired configuration.
 *
 * @param {BarcodeScannerConfiguration} config
 * @returns {Promise<ResultWrapper<BarcodeScannerResult>>}
 */
export function startBarcodeScanner(config) {
  const barcodeItemMapperEventName = 'barcodeItemMapperEvent';
  let barcodeItemMapperCallback = null;
  let barcodeItemMapperEventEmitter = null;
  if (config.useCase instanceof SingleScanningMode || config.useCase instanceof MultipleScanningMode) {
    barcodeItemMapperCallback = config.useCase.barcodeInfoMapping.barcodeItemMapper;
    if (barcodeItemMapperCallback) {
      barcodeItemMapperEventEmitter = new NativeEventEmitter(ScanbotBarcodeSDKImpl);
      barcodeItemMapperEventEmitter.removeAllListeners(barcodeItemMapperEventName);
      barcodeItemMapperEventEmitter.addListener(barcodeItemMapperEventName, barcodeItem => {
        const barcodeItemUuid = `${barcodeItem.textWithExtension}_${barcodeItem.type ?? ''}`;
        barcodeItemMapperCallback(barcodeItem, barcodeMappedData => ScanbotBarcodeSDKImpl.onBarcodeItemMapper(barcodeItemUuid, barcodeMappedData), () => ScanbotBarcodeSDKImpl.onBarcodeItemMapper(barcodeItemUuid, null));
      });

      // On iOS, the communication with the native part is throwing an error (startBarcodeScannerV2) because of the barcodeItemMapper
      // callback in the configuration class (not parsable), that's why we need to remove it before executing startBarcodeScannerV2 method
      config.useCase.barcodeInfoMapping.barcodeItemMapper = null;
      return new Promise((resolve, reject) => {
        ScanbotBarcodeSDKImpl.startBarcodeScannerV2(isIOS ? JSON.stringify(config) : config, true).then(result => {
          barcodeItemMapperEventEmitter?.removeAllListeners(barcodeItemMapperEventName);
          barcodeItemMapperEventEmitter = null;
          resolve(result);
        }).catch(error => {
          barcodeItemMapperEventEmitter?.removeAllListeners(barcodeItemMapperEventName);
          barcodeItemMapperEventEmitter = null;
          reject(error);
        });
      });
    }
  }
  return ScanbotBarcodeSDKImpl.startBarcodeScannerV2(isIOS ? JSON.stringify(config) : config, false);
}
export * from './barcode/ArTrackingOverlayConfiguration';
export * from './barcode/BarcodeInfoMapping';
export * from './barcode/BarcodeItem';
export * from './barcode/BarcodeRecognizerConfiguration';
export * from './barcode/BarcodeResult';
export * from './barcode/BarcodeScannerConfiguration';
export * from './barcode/BarcodeTextLocalization';
export * from './barcode/BarcodeUseCase';
export * from './barcode/FindAndPickScanningModeUseCase';
export * from './barcode/MultipleScanningModeUseCase';
export * from './barcode/SingleScanningModeUseCase';
export * from './common/ActionBarConfiguration';
export * from './common/CameraConfiguration';
export * from './common/CameraPermission';
export * from './common/Common';
export * from './common/NavigationBarConfiguration';
export * from './common/ScanbotAlertDialog';
export * from './common/TopBarConfiguration';
export * from './common/UserGuidanceConfiguration';
export * from './common/ViewFinderConfiguration';
export * from './BarcodeItemMapper';
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