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ReactNative crash reporting SDK for Raygun

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Raygun SDK for React Native

Table of contents

  1. Requirements
  2. Installations
  3. API guide

Requirements

{
  "react-native": "^0.60.0",
  "@react-native-async-storage/async-storage": "^1.13.3"
}

Installation

To install the package:

npm install --save raygun4reactnative
# OR
yarn add raygun4reactnative

Additional step for iOS

Since our SDK supports native crashes, we need to link the SDK to your native projects.

Modify Podfile

platform :ios, '10.0'

then run

cd ios && pod install
# OR
npx pod-install ios


Additional step for Android

Modify the app's android/app/src/main/AndroidManifest.xml to include the following line to enable the background Crash Reporting Service & Real-time User monitoring

<application ...>
  ...
  <service
      android:name="com.raygun.raygun4android.services.CrashReportingPostService"
      android:exported="false"
      android:permission="android.permission.BIND_JOB_SERVICE"
      android:process=":crashreportingpostservice"
  />
  <service
      android:name="com.raygun.raygun4android.services.RUMPostService"
      android:exported="false"
      android:permission="android.permission.BIND_JOB_SERVICE"
      android:process=":rumpostservice"
  />
  ...
</application>

Additional Public Documentation

Crash Reporting Installation
Crash Reporting Features
Real User Monitoring Installation
Real USer Monitoring Features


API guide

Important information

The client must be instantiated and initialized before using the rest of the API. Failing to do so will result in a lack of functionality (this will be logged out to the system - this means that during testing it will appear where console.logs appear).

Using the client

An instance of the RaygunClient is created by importing the client from the package.

import RaygunClient from "raygun4reactnative"

This instance will be used to call action upon the rest of the API interface. Be sure to init your instance BEFORE using the other functions within the API.



init(RaygunClientOptions)

The init function must be used BEFORE doing anything else with the RaygunClient. This is important, as all other functionality within the client will rely on the options parsed to it with this function.

Multithreading: This function, by default, is NOT asynchronous. BEWARE, as asynchronously calling this method may lead to some undesirable outcomes. The init method needs to finish before all other methods.

See also:
BeforeSendHandler
LogLevel
RaygunClientOptions

import RaygunClient, {RaygunClientOptions, LogLevel} from "raygun4reactnative"

const options: RaygunClientOptions = {
  apiKey: "INSERT_YOUR_API_KEY_HERE",
  version: "0.1.2",
  enableCrashReporting: true,
  disableNativeCrashReporting: false,
  disableUnhandledPromiseRejectionReporting: false,
  enableRealUserMonitoring: true,
  disableNetworkMonitoring: false,
  customCrashReportingEndpoint: "https://myCrashReportingEndpoint.com",
  customRealUserMonitoringEndpoint: "https://myRealUserMonitoringEndpoint.com",
  ignoredURLs: ["http://thisIsAnInternalCall.com", "http://thisIsAnotherInternalCall.com"],
  ignoredViews: ["name of view to ignore"],
  logLevel: LogLevel.verbose,
  onBeforeSendingCrashReport: (crashReport) => console.log(crashReport),
  maxErrorReportsStoredOnDevice: 10,
  maxBreadCrumbsPerErrorReport: 10,
};

RaygunClient.init(options);

After successfully calling the init function, the client has been instantiated and initialized. Now the other functions provided by the client will be able to run.



setTags(... tags: string[])

The setTags function set the global tags for the Raygun client. All crash reports and real user monitoring packages will be attached with these tags, such that they can be searched for in the Raygun.com dashboard. To remove all tags, simply parse this method nothing.

Find out more here!

import RaygunClient from "raygun4reactnative"

RaygunClient.setTags("Invalid_User_Entry", "Caught_Exception");

// Reset tags
RaygunClient.setTags();


getTags(): string[]

The getTags returns all the global tags that are currently set in the Raygun client.

Tip: To append more tags to the global set, use the get method to retrieve an array of currently existing tags, concat the extra tags onto the list, and call the setTags function again.

Find out more here!

import RaygunClient from "raygun4reactnative"

const globalTags: string[] = RaygunClient.getTags();


setUser(user: User | null)

The setUser function is parsed a User object. Setting the user is an important step in maintaining a Real User Monitoring session. By updating the User, the following rules are applied:

  • anonymous_user -> user_1 => Current session is updated with the user data.
  • user_1 -> user_2 => Current session ends. A new session begins with user_2 information.
  • user_1 -> anonymous_user => Current sessions ends. A new session begins.

Note, if null is parsed to this method, the user is set to an anonymous user.

Find out more here!

See also:
User

import RaygunClient, {User} from "raygun4reactnative"

const user: User = {
  identifier: '[email protected]',
  isAnonymous: false,
  email: '[email protected]',
  firstName: 'Ronald',
  fullName: 'Ronald Raygun',
  uuid: 'uuid'
}

RaygunClient.setUser(user);

// Reset to anonymous user
RaygunClient.setUser(null);


getUser(): User

The getUser function returns the current user.
Find out more here!

See also:
User

import RaygunClient, {User} from "raygun4reactnative"

const curUser: User = RaygunClient.getUser();


recordBreadcrumb(breadcrumb: Breadcrumb)

The recordBreadcurmb function appends a breadcrumb to the global set of breadcrumbs. These breadcrumbs are attached to all Crash Reports. Breadcrumbs are useful when debugging code, if you leave a trail of breadcrumbs as your code progresses, then you can determine the state of the program right before the crash occurred.

See also:
Breadcrumb

import RaygunClient, {Breadcrumb} from "raygun4reactnative"

const breadCrumb: Breadcrumb = {
  message: "Hansel and Gretel #1",
  category: "FairyTales",
  level: 'warning',
  customData: {"House Materials": ["GingerBread", "GumDrops"]},
  timestamp: Date.now(),
  type: 'manual',
}

RaygunClient.recordBreadcrumb(breadCrumb);


getBreadcrumbs(): Breadcrumb[]

The getBreadcrumbs function returns an array of the current global set of breadcrumbs.

See also:
Breadcrumb

import RaygunClient, {Breadcrumb} from "raygun4reactnative"

const globalBreadcrumbs: Breadcrumb[] = RaygunClient.getBreadcrumbs();


clearBreadcrumbs()

The clearBreadcrumbs function removes all the globally set breadcrumbs.

import RaygunClient, from "raygun4reactnative"

RaygunClient.clearBreadcrumbs();


sendError(error: Error, details?: ManualCrashReportDetails)

The sendError function manually sends an error to your Raygun dashboard. By default, the crash reporter will capture all unhandled errors, and send them through to Raygun, however in some cases, an error shouldn't be thrown as the program can still persist. If you have caught some error, you can utilize this method, and send the error through to Raygun. Appended to this error is a ManualCrashReportDetails object. This non-mandatory object can apply specific tags and CustomData to the error you are sending away as well as the global tags and CustomData.

See also:
CustomData
ManualCrashReportDetails

import RaygunClient, {ManualCrashReportDetails} from "raygun4reactnative"

try {
  // some action that might throw an error
  throw new Error("Something went wrong");
} catch (e) {
  const localDetails: ManualCrashReportDetails = {
    customData: {"Local": "Tried to attempt action A, but failed"},
    tags: ["Action A", "Local"]
  }

  RaygunClient.sendError(e, localDetails);

  // Alternatively, if you don't wish to append any local data
  RaygunClient.sendError(e);
}


setCustomData(customData: CustomData | null)

The setCustomData function will set the global custom data object to the parsed parameter. When any error occurs, this custom data will be attached to all crash reports. If you parse null to this function, the global custom data will be reset.

See also:
CustomData

import RaygunClient, {CustomData} from "raygun4reactnative"

const customData: CustomData = {"Key": "Value"};

RaygunClient.setCustomData(customData);

// To reset custom data object
RaygunClient.setCustomData(null);


getCustomData(): CustomData | null

The getCustomData function will return the current, global custom data object that has been set. If no custom data object exists, then the function will return null.

See also:
CustomData

import RaygunClient, {CustomData} from "raygun4reactnative"

const customData: CustomData | null = RaygunClient.getCustomData();


setMaxReportsStoredOnDevice(size: number)

The setMaxReportsStoredOnDevice function will determine how many crash reports are stored on the device. A crash report is stored when the user is unable to connect to Raygun.com. Upon launching the application again, the reports that are stored are attempted to be sent.

Note, although any number can be parsed through this value, the maximum amount of stored crash reports is capped at 64. The minimum is 0. Parsing 0 (or less) will mean, no crash reports are stored on the device at all. The default starting value is 64.

import RaygunClient from "raygun4reactnative"

RaygunClient.setMaxReportsStoredOnDevice(10); // Sets the amount to 10

// Alternatively
RaygunClient.setMaxReportsStoredOnDevice(100); // Sets the amount to 64
RaygunClient.setMaxReportsStoredOnDevice(-100); // Sets the amount to 0


sendRUMTimingEvent(eventType: RealUserMonitoringTimings, name: string, durationMs: number)

The sendRUMTimingEvent function manually sends a new timing event to Real User Monitoring. Parsing in a RealUserMonitoringTiming event, the name of the event, and the duration of the event. This can be used to monitor the load times of particular components or fetch times of network requests.

By default, if Real User Monitoring is enabled, all network events are captured and sent to Raygun. However, if you choose to disable this through the init method, then you can still send away network timing events using this function.

See also: RealUserMonitoringTimings

import RaygunClient, {RealUserMonitoringTimings} from "raygun4reactnative"

// Monitoring some activity
RaygunClient.sendRUMTimingEvent(RealUserMonitoringTimings.ViewLoaded, 'name of the activity event', 1000);

// Monitoring a network call
RaygunClient.sendRUMTimingEvent(RealUserMonitoringTimings.NetworkCall, 'name of the network event', 255);

Raygun specific types

This segment outlines the type declarations for some Raygun4ReactNative specific objects. Each of these object types can be imported into your program and used (as the examples throughout the rest of the API guide show).


BeforeSendHandler

The BeforeSendHandler acts as an intermediate function between your application and Raygun. This function is parsed a CrashReportPayload and returns a CrashReportPayload or Null. Before the CrashReportPayload is sent to Raygun, this function will be called to apply some logic to the report. If null or other invalid object is returned, then the report is ignored (not sent to Raygun).

See also:
CrashReportPayload

export type BeforeSendHandler = (payload: CrashReportPayload) => CrashReportPayload | null;


Breadcrumb

The Breadcrumb type is a container for simple pieces of information that are used to aid with identifying issues. These are sent away with a CrashReportPayload.

Find out more here!

See also:
CrashReportPayload
CustomData

export type Breadcrumb = {
  message: string;
  category?: string;
  level?: 'debug' | 'info' | 'warning' | 'error';
  customData?: CustomData;
  timestamp?: number;
  type?: 'manual'
};


CrashReportPayload

The CrashReportPayload is only accessible within the BeforeSendHandler function. This reference should aid in designing an intermediate function. It acts as a container for basic information about some environment where a crash occurred. This may give you some insight to the error.

See also:
Breadcrumb
CustomData
Environment
RaygunStackFrame
User

export type CrashReportPayload = {
  OccurredOn: Date;
  Details: {
    Error: {
      ClassName: string;
      Message: string;
      StackTrace: RaygunStackFrame[];
      StackString: string;
    };
    Environment: Environment;
    Client: {
      Name: string;
      Version: string;
    };
    UserCustomData: CustomData;
    Tags?: string[];
    User?: User;
    Breadcrumbs?: Breadcrumb[];
    Version: string;
  };
};


CustomData

The CustomData type is a restricted object that only allows for basic object types. Treat it as though it was a JSON object to send through with your crash report.

Find out more here!

export type CustomData = {
  [key: string]: BasicType | CustomData | BasicType[] | CustomData[];
};

// For reference (this is not an available type in the API)
const BasicType = string | number | boolean;


Environment

The Environment type is accessible in a BeforeSendHandler function via the CrashReportPayload parameter. It acts as a container for all variables related to the current system environment. The structure below should aid if this information would be helpful for a pre-sending function. Note, this information is also available with a crash report.

export type Environment = {
  UtcOffset: number;
  Cpu?: string;
  Architecture?: string;
  ProcessorCount?: number;
  OSVersion?: string;
  OSSDKVersion?: string;
  WindowsBoundWidth?: number;
  WindowsBoundHeight?: number;
  CurrentOrientation?: string;
  ResolutionScale?: number;
  Locale?: string;
  TotalPhysicalMemory?: number;
  AvailablePhysicalMemory?: number;
  TotalVirtualMemory?: number;
  AvailableVirtualMemory?: number;
  DiskSpaceFree?: number;
  DeviceName?: string;
  KernelVersion?: string;
  Brand?: string;
  Board?: string;
  DeviceCode?: string;
  JailBroken?: boolean;
};


LogLevel

The LogLevel enum is used to set the level for which the Raygun client will log issues during runtime.

export enum LogLevel {
  off = 'off',
  error = 'error',
  warn = 'warn',
  info = 'info',
  debug = 'debug',
  verbose = 'verbose',
}


ManualCrashReportDetails

The ManualCrashReportDetails type is used to append additional, local details to a manually sent crash report. Note, both fields are non-mandatory, therefore you can send just tags, or just custom data. Note, ManualCrashReportDetails is a non-mandatory parameter for the sendError method. If no local data is being appended to the error, you can avoid sending this object all together.

See also:
sendError()

export type ManualCrashReportDetails = {
  customData?: CustomData,
  tags?: string[]
}


RaygunClientOptions

The RaygunClientOptions type is used to parse information into the RaygunClient during the init function. Each field within the object is optional, however, failing to declare a field will result in the option defaulting to its type specific default value (except for custom end points which will default to the Raygun application end point). It is important that your apiKey is entered here, else all crash reports and real user monitoring events will not be logged to your Raygun dashboard, and will instead be thrown away, and lost forever.

See also:
BeforeSendHandler

export type RaygunClientOptions = {
  apiKey?: string;
  version?: string;
  enableCrashReporting?: boolean;
  disableNativeCrashReporting?: boolean;
  disableUnhandledPromiseRejectionReporting?: boolean;
  enableRealUserMonitoring?: boolean;
  disableNetworkMonitoring?: boolean;
  customCrashReportingEndpoint?: string;
  customRealUserMonitoringEndpoint?: string;
  logLevel?: LogLevel;
  onBeforeSendingCrashReport?: BeforeSendHandler;
  ignoredURLs?: string[];
  ignoredViews?: string[];
  maxErrorReportsStoredOnDevice?: number;
  maxBreadcrumbsPerErrorReport?: number;
};


RaygunStackFrame

The RaygunStackFrame type is a container which maintains information found in one frame of a StackTrace. The only access to a RaygunStackFrame is through the CrashReportPayload. This object would only be used in a BeforeSendHandler function.

See also:
BeforeSendHandler
CrashReportPayload

export type RaygunStackFrame = {
  FileName: string;
  LineNumber: number;
  ColumnNumber: number | null;
  MethodName: string;
  ClassName: string;
};


RealUserMonitoringTimings

The RealUserMonitoringTimings enum is a parameter in the sendRUMTimingEvent method.

See also:
sendRUMTimingEvent

export enum RealUserMonitoringTimings {
  ViewLoaded = 'p',
  NetworkCall = 'n'
}


User

The User type is used to record session data, and maintain information for Real User Monitoring. This object type is used as a parameter for the setUser method, and is returned with the getUser method. It is also found in other objects.

Find out more here!

See also:
setUser getUser

export type User = {
  identifier: string;
  isAnonymous?: boolean;
  email?: string;
  firstName?: string;
  fullName?: string;
  uuid?: string;
};