index.js

/**
 * Main app entrypoint
 */
// Shim file generated by rn-nodeify
import "./shim";
import "react-native-get-random-values";
import {
  AlertStatic as Alert,
  AppRegistry,
  Text,
  TextInput,
  LogBox
} from "react-native";
import DeviceInfo from "react-native-device-info";
import {
  setJSExceptionHandler,
  setNativeExceptionHandler
} from "react-native-exception-handler";

import { App } from "./ts/App";
import { mixpanel } from "./ts/mixpanel";
import { name as appName } from "./app.json";

const errorHandler = (e, isFatal) => {
  if (isFatal) {
    if (mixpanel) {
      mixpanel.track("APPLICATION_ERROR", {
        TYPE: "js",
        ERROR: JSON.stringify(e),
        APP_VERSION: DeviceInfo.getReadableVersion()
      });
    }
    Alert.alert(
      "Unexpected error occurred",
      `
        Error: ${isFatal ? "Fatal:" : ""} ${e.name} ${e.message}
        You will need to restart the app.
        `
    );
  } else {
    console.log(e); // So that we can see it in the ADB logs in case of Android if needed
  }
};

setJSExceptionHandler(errorHandler);
setNativeExceptionHandler(exceptionString => {
  if (mixpanel) {
    mixpanel.track("APPLICATION_ERROR", {
      TYPE: "native",
      ERROR: exceptionString,
      APP_VERSION: DeviceInfo.getReadableVersion()
    });
  }
});

// Please note that any LogBox can cause e2e tests to fail.
// TODO: temp only, to complete the porting to 0.63.x
LogBox.ignoreLogs([
  "componentWillReceiveProps",
  "Function components cannot be given refs",
  "Animated",
  "Virtualized",
  "currentlyFocusedField"
]);

// Disable allowFontScaling for Text/TextInput component
Text.defaultProps = Text.defaultProps || {};
Text.defaultProps.allowFontScaling = false;
TextInput.defaultProps = TextInput.defaultProps || {};
TextInput.defaultProps.allowFontScaling = false;

AppRegistry.registerComponent(appName, () => App);