rn-qr-generator/lib/module/index.js

React native QR Code generator / reader

import { NativeModules, Platform, processColor } from "react-native";
const LINKING_ERROR = `The package 'rn-qr-generator' 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";

// Try to get TurboModule first, then fall back to legacy
const isTurboModuleEnabled = globalThis.__turboModuleProxy != null;
const RNQrGeneratorModule = isTurboModuleEnabled ? require("./NativeRNQrGenerator").default : NativeModules.RNQrGenerator;
const RNQrGenerator = RNQrGeneratorModule ? RNQrGeneratorModule : new Proxy({}, {
  get() {
    throw new Error(LINKING_ERROR);
  }
});
export default {
  generate: options => {
    const {
      value,
      backgroundColor,
      color
    } = options;
    if (!value) {
      return Promise.reject('Property "value" is missing');
    }
    const qrOptions = {
      correctionLevel: "H",
      ...options,
      backgroundColor: processColor(backgroundColor || "white"),
      color: processColor(color || "black")
    };
    return new Promise((resolve, reject) => {
      RNQrGenerator.generate(qrOptions, error => reject(error), data => resolve(data));
    });
  },
  detect: options => {
    const {
      uri,
      base64
    } = options;
    if (!uri && !base64) {
      return Promise.reject('Property "uri" or "base64" are missing');
    }
    const qrOptions = {
      ...options
    };
    return new Promise((resolve, reject) => {
      RNQrGenerator.detect(qrOptions, error => reject(error), data => resolve(data));
    });
  }
};
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