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How to use node modules outside of webpack encore files?

I have started using webpack encore in my Symfony 5 web app and still haven't figured it all out.
I'd like to use node modules outside of webpack encore files but I can't find a way of doing this.
For example I have installed Datatables and I'd like to use it in a JavaScript file inside the public/assets/js directory, but when I try I get $(...).DataTable is not a function.
In my app.js I do import all the modules I need :
import 'select2';
import 'parsleyjs';
import 'datatables';
Here is my webpack.config.js :
const Encore = require('#symfony/webpack-encore');
// Manually configure the runtime environment if not already configured yet by the "encore" command.
// It's useful when you use tools that rely on webpack.config.js file.
if (!Encore.isRuntimeEnvironmentConfigured()) {
Encore.configureRuntimeEnvironment(process.env.NODE_ENV || 'dev');
}
Encore
// directory where compiled assets will be stored
.setOutputPath('public/build/')
// public path used by the web server to access the output path
.setPublicPath('/build')
// only needed for CDN's or sub-directory deploy
//.setManifestKeyPrefix('build/')
/*
* ENTRY CONFIG
*
* Each entry will result in one JavaScript file (e.g. app.js)
* and one CSS file (e.g. app.css) if your JavaScript imports CSS.
*/
.addEntry('app', './assets/app.js')
// enables the Symfony UX Stimulus bridge (used in assets/bootstrap.js)
.enableStimulusBridge('./assets/controllers.json')
// When enabled, Webpack "splits" your files into smaller pieces for greater optimization.
.splitEntryChunks()
// will require an extra script tag for runtime.js
// but, you probably want this, unless you're building a single-page app
// .enableSingleRuntimeChunk()
.disableSingleRuntimeChunk()
/*
* FEATURE CONFIG
*
* Enable & configure other features below. For a full
* list of features, see:
* https://symfony.com/doc/current/frontend.html#adding-more-features
*/
.cleanupOutputBeforeBuild()
.enableBuildNotifications()
.enableSourceMaps(!Encore.isProduction())
// enables hashed filenames (e.g. app.abc123.css)
.enableVersioning(Encore.isProduction())
.configureBabel((config) => {
config.plugins.push('#babel/plugin-proposal-class-properties');
})
// enables #babel/preset-env polyfills
.configureBabelPresetEnv((config) => {
config.useBuiltIns = 'usage';
config.corejs = 3;
})
// enables Sass/SCSS support
//.enableSassLoader()
// uncomment if you use TypeScript
//.enableTypeScriptLoader()
// uncomment if you use React
//.enableReactPreset()
// uncomment to get integrity="..." attributes on your script & link tags
// requires WebpackEncoreBundle 1.4 or higher
//.enableIntegrityHashes(Encore.isProduction())
// uncomment if you're having problems with a jQuery plugin
.autoProvidejQuery()
;
module.exports = Encore.getWebpackConfig();

Number toLocaleString not working on Angular' tests

I have the following function on my application.
convertToPercent(number) {
if (!number) return 'N/A';
return Number(number / 100).toLocaleString('pt-br', { style: 'percent'
});
}
and then I just created the following test scenario
it('Should convertToPercent(10) return "10%" ' , () => {
expect(component.convertToPercent(10)).toEqual('10%');
})
But then When I'm running the tests it's broken because 0.1 is not equal to 10%.
Does anyone have some idea of what it can be?
When running the application it's working.

I just detected that the problem was because the PhantomJS Browser as default won't support the ECMAScript Internationalization API as default.
To solve it you can install the intl library using npm i intl --save-dev and then enable it inside the polyfill file.
* Load `$localize` onto the global scope - used if i18n tags appear in Angular templates.
*/
import '#angular/localize/init';
/**
* This file includes polyfills needed by Angular and is loaded before the app.
* You can add your own extra polyfills to this file.
*
* This file is divided into 2 sections:
* 1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.
* 2. Application imports. Files imported after ZoneJS that should be loaded before your main
* file.
*
* The current setup is for so-called "evergreen" browsers; the last versions of browsers that
* automatically update themselves. This includes Safari >= 10, Chrome >= 55 (including Opera),
* Edge >= 13 on the desktop, and iOS 10 and Chrome on mobile.
*
* Learn more in https://angular.io/guide/browser-support
*/
/***************************************************************************************************
* BROWSER POLYFILLS
*/
/** IE10 and IE11 requires the following for NgClass support on SVG elements */
// import 'classlist.js'; // Run `npm install --save classlist.js`.
/**
* Web Animations `#angular/platform-browser/animations`
* Only required if AnimationBuilder is used within the application and using IE/Edge or Safari.
* Standard animation support in Angular DOES NOT require any polyfills (as of Angular 6.0).
*/
// import 'web-animations-js'; // Run `npm install --save web-animations-js`.
/**
* By default, zone.js will patch all possible macroTask and DomEvents
* user can disable parts of macroTask/DomEvents patch by setting following flags
* because those flags need to be set before `zone.js` being loaded, and webpack
* will put import in the top of bundle, so user need to create a separate file
* in this directory (for example: zone-flags.ts), and put the following flags
* into that file, and then add the following code before importing zone.js.
* import './zone-flags.ts';
*
* The flags allowed in zone-flags.ts are listed here.
*
* The following flags will work for all browsers.
*
* (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame
* (window as any).__Zone_disable_on_property = true; // disable patch onProperty such as onclick
* (window as any).__zone_symbol__UNPATCHED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames
*
* in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js
* with the following flag, it will bypass `zone.js` patch for IE/Edge
*
* (window as any).__Zone_enable_cross_context_check = true;
*
*/
/***************************************************************************************************
* Zone JS is required by default for Angular itself.
*/
import 'zone.js/dist/zone'; // Included with Angular CLI.
/***************************************************************************************************
* APPLICATION IMPORTS
*/
import 'intl';
/**
* Date, currency, decimal and percent pipes.
* Needed for: All but Chrome, Firefox, Edge, IE11 and Safari 10
*/
/**
* Need to import at least one locale-data with intl.
*/
import 'intl/locale-data/jsonp/pt-BR';
Additional info: https://dzone.com/articles/using-phantomjs-with-karma

AAPT: No resource found that matches the given name: attr 'android:keyboardNavigationCluster'

I'm using React Native and getting this error during build. I'm pretty sure it's because of the mismatch between the SDK and the support library but I couldn't find the correct values. What SDK version and support library should I use. Please help me I'm really in a tough spot.
:app:processDebugResources/Users/hg/Downloads/ecoway/android/app/build/intermediates/res/merged/debug/values-v26/values-v26.xml:15:21-54: AAPT: No resource found that matches the given name: attr 'android:keyboardNavigationCluster'.
/Users/hg/Downloads/ecoway/android/app/build/intermediates/res/merged/debug/values-v26/values-v26.xml:18:21-54: AAPT: No resource found that matches the given name: attr 'android:keyboardNavigationCluster'.
/Users/hg/Downloads/ecoway/android/app/build/intermediates/res/merged/debug/values-v26/values-v26.xml:15: error: Error: No resource found that matches the given name: attr 'android:keyboardNavigationCluster'.
/Users/hg/Downloads/ecoway/android/app/build/intermediates/res/merged/debug/values-v26/values-v26.xml:18: error: Error: No resource found that matches the given name: attr 'android:keyboardNavigationCluster'.
FAILED
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:processDebugResources'.
> com.android.ide.common.process.ProcessException: Failed to execute aapt
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
BUILD FAILED
app/build.gradle
apply plugin: "com.android.application"
import com.android.build.OutputFile
/**
* The react.gradle file registers a task for each build variant (e.g. bundleDebugJsAndAssets
* and bundleReleaseJsAndAssets).
* These basically call `react-native bundle` with the correct arguments during the Android build
* cycle. By default, bundleDebugJsAndAssets is skipped, as in debug/dev mode we prefer to load the
* bundle directly from the development server. Below you can see all the possible configurations
* and their defaults. If you decide to add a configuration block, make sure to add it before the
* `apply from: "../../node_modules/react-native/react.gradle"` line.
*
* project.ext.react = [
* // the name of the generated asset file containing your JS bundle
* bundleAssetName: "index.android.bundle",
*
* // the entry file for bundle generation
* entryFile: "index.android.js",
*
* // whether to bundle JS and assets in debug mode
* bundleInDebug: false,
*
* // whether to bundle JS and assets in release mode
* bundleInRelease: true,
*
* // whether to bundle JS and assets in another build variant (if configured).
* // See http://tools.android.com/tech-docs/new-build-system/user-guide#TOC-Build-Variants
* // The configuration property can be in the following formats
* // 'bundleIn${productFlavor}${buildType}'
* // 'bundleIn${buildType}'
* // bundleInFreeDebug: true,
* // bundleInPaidRelease: true,
* // bundleInBeta: true,
*
* // whether to disable dev mode in custom build variants (by default only disabled in release)
* // for example: to disable dev mode in the staging build type (if configured)
* devDisabledInStaging: true,
* // The configuration property can be in the following formats
* // 'devDisabledIn${productFlavor}${buildType}'
* // 'devDisabledIn${buildType}'
*
* // the root of your project, i.e. where "package.json" lives
* root: "../../",
*
* // where to put the JS bundle asset in debug mode
* jsBundleDirDebug: "$buildDir/intermediates/assets/debug",
*
* // where to put the JS bundle asset in release mode
* jsBundleDirRelease: "$buildDir/intermediates/assets/release",
*
* // where to put drawable resources / React Native assets, e.g. the ones you use via
* // require('./image.png')), in debug mode
* resourcesDirDebug: "$buildDir/intermediates/res/merged/debug",
*
* // where to put drawable resources / React Native assets, e.g. the ones you use via
* // require('./image.png')), in release mode
* resourcesDirRelease: "$buildDir/intermediates/res/merged/release",
*
* // by default the gradle tasks are skipped if none of the JS files or assets change; this means
* // that we don't look at files in android/ or ios/ to determine whether the tasks are up to
* // date; if you have any other folders that you want to ignore for performance reasons (gradle
* // indexes the entire tree), add them here. Alternatively, if you have JS files in android/
* // for example, you might want to remove it from here.
* inputExcludes: ["android/**", "ios/**"],
*
* // override which node gets called and with what additional arguments
* nodeExecutableAndArgs: ["node"],
*
* // supply additional arguments to the packager
* extraPackagerArgs: []
* ]
*/
project.ext.react = [
entryFile: "index.js"
]
apply from: "../../node_modules/react-native/react.gradle"
/**
* Set this to true to create two separate APKs instead of one:
* - An APK that only works on ARM devices
* - An APK that only works on x86 devices
* The advantage is the size of the APK is reduced by about 4MB.
* Upload all the APKs to the Play Store and people will download
* the correct one based on the CPU architecture of their device.
*/
def enableSeparateBuildPerCPUArchitecture = false
/**
* Run Proguard to shrink the Java bytecode in release builds.
*/
def enableProguardInReleaseBuilds = false
android {
compileSdkVersion 25
buildToolsVersion "23.0.1"
defaultConfig {
applicationId "com.ecoway"
minSdkVersion 16
targetSdkVersion 25
multiDexEnabled = true
versionCode 1
versionName "1.0"
vectorDrawables.useSupportLibrary = true
ndk {
abiFilters "armeabi-v7a", "x86"
}
}
splits {
abi {
reset()
enable enableSeparateBuildPerCPUArchitecture
universalApk false // If true, also generate a universal APK
include "armeabi-v7a", "x86"
}
}
buildTypes {
release {
minifyEnabled enableProguardInReleaseBuilds
proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
}
}
// applicationVariants are e.g. debug, release
applicationVariants.all { variant ->
variant.outputs.each { output ->
// For each separate APK per architecture, set a unique version code as described here:
// http://tools.android.com/tech-docs/new-build-system/user-guide/apk-splits
def versionCodes = ["armeabi-v7a":1, "x86":2]
def abi = output.getFilter(OutputFile.ABI)
if (abi != null) { // null for the universal-debug, universal-release variants
output.versionCodeOverride =
versionCodes.get(abi) * 1048576 + defaultConfig.versionCode
}
}
}
}
dependencies {
compile project(':tipsi-stripe')
compile project(':react-native-maps')
compile ("com.google.android.gms:play-services-base:10.0.1") {
force = true;
}
compile ("com.google.android.gms:play-services-maps:10.0.1") {
force = true;
}
compile ("com.google.android.gms:play-services-gcm:10.0.1") {
force = true;
}
compile ('com.google.firebase:firebase-core:10.0.1') {
force = true;
}
compile ('com.google.firebase:firebase-messaging:10.0.1') {
force = true;
}
compile project(':react-native-svg')
compile project(':react-native-maps')
compile project(':react-native-image-crop-picker')
compile project(':react-native-fs')
compile project(':react-native-fcm')
compile project(':react-native-audio-toolkit')
compile fileTree(dir: "libs", include: ["*.jar"])
compile "com.android.support:appcompat-v7:25.0.0"
compile "com.facebook.react:react-native:+" // From node_modules
}
// Run this once to be able to run the application with BUCK
// puts all compile dependencies into folder libs for BUCK to use
task copyDownloadableDepsToLibs(type: Copy) {
from configurations.compile
into 'libs'
}
apply plugin: 'com.google.gms.google-services'
android/build.gradle
// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
repositories {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:2.2.3'
classpath 'com.google.gms:google-services:3.0.0'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
mavenLocal()
jcenter()
maven {
// All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
url "$rootDir/../node_modules/react-native/android"
}
maven {
url "https://jitpack.io"
}
maven {
url "https://maven.google.com"
}
}
}
settings.gradle
rootProject.name = 'ecoway'
include ':tipsi-stripe'
project(':tipsi-stripe').projectDir = new File(rootProject.projectDir, '../node_modules/tipsi-stripe/android')
include ':react-native-maps'
project(':react-native-maps').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-maps/lib/android')
include ':react-native-svg'
project(':react-native-svg').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-svg/android')
include ':react-native-maps'
project(':react-native-maps').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-maps/lib/android')
include ':react-native-image-crop-picker'
project(':react-native-image-crop-picker').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-image-crop-picker/android')
include ':react-native-fs'
project(':react-native-fs').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-fs/android')
include ':react-native-fcm'
project(':react-native-fcm').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-fcm/android')
include ':react-native-audio-toolkit'
project(':react-native-audio-toolkit').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-audio-toolkit/android/lib')
include ':app'

I had the same issue, I tried to upgrade from 25 to 26 Android version (https://github.com/facebook/react-native/issues/18095) but I could not do it because it react native does not support 26 yet and then I downgrade to 25 and I found the same issue,
This works for me...
build.gradle file
android {
compileSdkVersion 25
buildToolsVersion '26.0.1'
defaultConfig {
minSdkVersion 18
targetSdkVersion 25
compile 'com.android.support:appcompat-v7:25.0.0'
AndroidManifest.xml
<uses-sdk android:minSdkVersion="18"
android:targetSdkVersion="25" />
React-native version 0.47.2

force Gradle to build all the dependencies with our main project SDK version and tools versions.
Add the following line to your project's android/build.gradle with your Android SDK dependency.
subprojects {
afterEvaluate {project ->
if (project.hasProperty("android")) {
android {
compileSdkVersion 27
buildToolsVersion "27.0.2"
}
}
}
}
refer to this link

Execution failed for task ':app:transformClassesWithDexForDebug' when running react-native run-android

I am trying to build a React Native application using the "react-native run-android" command. However, I keep getting the error in the screenshot bellow.
My React Native and Java versions are:
react-native-cli: 2.0.1
react-native: 0.44.0
java version "1.8.0_131"
Java(TM) SE Runtime Environment (build 1.8.0_131-b11)
Java HotSpot(TM) 64-Bit Server VM (build 25.131-b11, mixed mode)
My android/build.gradle is as follows:
buildscript {
repositories {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:2.2.3'
classpath 'com.google.gms:google-services:3.0.0'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
mavenLocal()
jcenter()
maven {
// All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
url "$rootDir/../node_modules/react-native/android"
}
}
}
My android/app/build.gradle is also as follows:
apply plugin: "com.android.application"
import com.android.build.OutputFile
/**
* The react.gradle file registers a task for each build variant (e.g. bundleDebugJsAndAssets
* and bundleReleaseJsAndAssets).
* These basically call `react-native bundle` with the correct arguments during the Android build
* cycle. By default, bundleDebugJsAndAssets is skipped, as in debug/dev mode we prefer to load the
* bundle directly from the development server. Below you can see all the possible configurations
* and their defaults. If you decide to add a configuration block, make sure to add it before the
* `apply from: "../../node_modules/react-native/react.gradle"` line.
*
* project.ext.react = [
* // the name of the generated asset file containing your JS bundle
* bundleAssetName: "index.android.bundle",
*
* // the entry file for bundle generation
* entryFile: "index.android.js",
*
* // whether to bundle JS and assets in debug mode
* bundleInDebug: false,
*
* // whether to bundle JS and assets in release mode
* bundleInRelease: true,
*
* // whether to bundle JS and assets in another build variant (if configured).
* // See http://tools.android.com/tech-docs/new-build-system/user-guide#TOC-Build-Variants
* // The configuration property can be in the following formats
* // 'bundleIn${productFlavor}${buildType}'
* // 'bundleIn${buildType}'
* // bundleInFreeDebug: true,
* // bundleInPaidRelease: true,
* // bundleInBeta: true,
*
* // the root of your project, i.e. where "package.json" lives
* root: "../../",
*
* // where to put the JS bundle asset in debug mode
* jsBundleDirDebug: "$buildDir/intermediates/assets/debug",
*
* // where to put the JS bundle asset in release mode
* jsBundleDirRelease: "$buildDir/intermediates/assets/release",
*
* // where to put drawable resources / React Native assets, e.g. the ones you use via
* // require('./image.png')), in debug mode
* resourcesDirDebug: "$buildDir/intermediates/res/merged/debug",
*
* // where to put drawable resources / React Native assets, e.g. the ones you use via
* // require('./image.png')), in release mode
* resourcesDirRelease: "$buildDir/intermediates/res/merged/release",
*
* // by default the gradle tasks are skipped if none of the JS files or assets change; this means
* // that we don't look at files in android/ or ios/ to determine whether the tasks are up to
* // date; if you have any other folders that you want to ignore for performance reasons (gradle
* // indexes the entire tree), add them here. Alternatively, if you have JS files in android/
* // for example, you might want to remove it from here.
* inputExcludes: ["android/**", "ios/**"],
*
* // override which node gets called and with what additional arguments
* nodeExecutableAndArgs: ["node"],
*
* // supply additional arguments to the packager
* extraPackagerArgs: []
* ]
*/
apply from: "../../node_modules/react-native/react.gradle"
apply from: "../../node_modules/react-native-sentry/sentry.gradle"
apply from: "../../node_modules/react-native-vector-icons/fonts.gradle"
/**
* Set this to true to create two separate APKs instead of one:
* - An APK that only works on ARM devices
* - An APK that only works on x86 devices
* The advantage is the size of the APK is reduced by about 4MB.
* Upload all the APKs to the Play Store and people will download
* the correct one based on the CPU architecture of their device.
*/
def enableSeparateBuildPerCPUArchitecture = true
/**
* Run Proguard to shrink the Java bytecode in release builds.
*/
def enableProguardInReleaseBuilds = false
android {
compileSdkVersion 25
buildToolsVersion "25.0.2"
defaultConfig {
minSdkVersion 16
targetSdkVersion 25
versionCode 1
versionName "1.2.0"
ndk {
abiFilters "armeabi-v7a", "x86"
}
}
splits {
abi {
reset()
enable enableSeparateBuildPerCPUArchitecture
universalApk true // If true, also generate a universal APK
include "armeabi-v7a", "x86"
}
}
signingConfigs {
release {
storeFile file(MYAPP_RELEASE_STORE_FILE)
storePassword MYAPP_RELEASE_STORE_PASSWORD
keyAlias MYAPP_RELEASE_KEY_ALIAS
keyPassword MYAPP_RELEASE_KEY_PASSWORD
}
}
buildTypes {
release {
minifyEnabled enableProguardInReleaseBuilds
proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
signingConfig signingConfigs.release
}
}
// applicationVariants are e.g. debug, release
applicationVariants.all { variant ->
variant.outputs.each { output ->
// For each separate APK per architecture, set a unique version code as described here:
// http://tools.android.com/tech-docs/new-build-system/user-guide/apk-splits
def versionCodes = ["armeabi-v7a":1, "x86":2]
def abi = output.getFilter(OutputFile.ABI)
if (abi != null) { // null for the universal-debug, universal-release variants
output.versionCodeOverride =
versionCodes.get(abi) * 1048576 + defaultConfig.versionCode
}
}
}
}
dependencies {
compile project(':react-native-maps')
compile project(':react-native-sentry')
compile project(':react-native-fcm')
compile 'com.google.firebase:firebase-core:10.2.4'
compile project(':react-native-image-picker')
compile project(':react-native-smart-splash-screen')
compile project(':react-native-icons')
compile fileTree(dir: "libs", include: ["*.jar"])
compile 'com.amplitude:android-sdk:2.13.4'
compile "com.android.support:appcompat-v7:23.0.1"
compile "com.facebook.react:react-native:+" // From node_modules
// compile project(':react-native-smart-splashscreen') // From node_modules
}
// Run this once to be able to run the application with BUCK
// puts all compile dependencies into folder libs for BUCK to use
task copyDownloadableDepsToLibs(type: Copy) {
from configurations.compile
into 'libs'
}
apply plugin: 'com.google.gms.google-services'
I appreciate the help!

Altering declaration of react-native-maps dependency in android/app/build.gradle resolved the conflict.
Remove line:
compile project(':react-native-maps')
And insert:
compile(project(':react-native-maps')){
exclude group: 'com.google.android.gms', module: 'play-services-base'
exclude group: 'com.google.android.gms', module: 'play-services-maps'
}
compile 'com.google.android.gms:play-services-base:11.0.2'
compile 'com.google.android.gms:play-services-maps:11.0.2'
I found out number 11.0.2 by running following command:
cd android; ./gradlew :app:dependencies | grep com.google.android.gms

I deleted android/app/build and works

Jenkins integration with Jest

Is there a way to have Jenkins integration in the Javascript Jest testing framework that is built on top of Jasmine?
I've tried to integrate Jest with jasmine-reporters, but didn't manage to get a JUnit XML output. I installed the reporters for Jasmine 1.3 with npm install jasmine-reporters#~1.0.0 and then in my setupTestFrameworkScriptFile:
require('jasmine-reporters');
jasmine.VERBOSE = true;
jasmine.getEnv().addReporter(new jasmine.JUnitXmlReporter({
savePath: "output/"
}));
When I run jest I get NodeJS attempt: Arguments to path.join must be strings or NodeJS attempt: Object [object Object] has no method 'join'.

I've managed to get a working version of it in this repo. The problem was I was not mocking path and fs in the test file.

You're using the syntax of jasmine-reporters 2.x with the 1.x branch. Specifically, you are passing an object of options but you need to send positional arguments.
Don't do this:
jasmine.getEnv().addReporter(new jasmine.JUnitXmlReporter({
savePath: "output/"
}));
Instead, you should do this:
jasmine.getEnv().addReporter(new jasmine.JUnitXmlReporter("output/"));
You can check out the source for the list of available options. Here are the current options:
/**
* Generates JUnit XML for the given spec run.
* Allows the test results to be used in java based CI
* systems like CruiseControl and Hudson.
*
* #param {string} [savePath] where to save the files
* #param {boolean} [consolidate] whether to save nested describes within the
* same file as their parent; default: true
* #param {boolean} [useDotNotation] whether to separate suite names with
* dots rather than spaces (ie "Class.init" not
* "Class init"); default: true
* #param {string} [filePrefix] is the string value that is prepended to the
* xml output file; default: 'TEST-'
* #param {boolean} [consolidateAll] whether to save test results from different
* specs all in a single file; filePrefix is then the whole file
* name without extension; default: false
*/
var JUnitXmlReporter = function(savePath, consolidate, useDotNotation, filePrefix, consolidateAll) {
/* ... */
}

Looks like jest-junit is also a option.