lodash.uniq do not work

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.16.6/lodash.min.js"></script> <script> var topicData = []; //some data here var topicList =...

Is there a more compact way to map values of specified keys, remove all the undefined values from the resultant array and get unique values from it

I have an object array: var objects = [ {'key1': '1', 'key2': '2'}, {'key1': '3'}, {'key1': '4', 'key2': '5',...

Firebase/AngularFire user grouping operation

I am trying to design a grouping platform for an application where users enter a waiting room. Once a certain capacity is reached within the waiting room, users are grouped and they begin a...

npm cannot load module even though it is installed

After patching repl-plus package sources to make it run on Linux, I'm running into this: $ repl-plus module.js:327 throw err; ^ Error: Cannot find module 'q' at...

React useState hooks error: Argument of type 'xxx' is not assignable to parameter of type 'SetStateAction<xx>'

I use react hooks to update, but notice error when setState. > Argument of type '{ alertRules: any; }' is not assignable to parameter of type 'SetStateAction<Alert[]>'. Object literal may only...

Cannot upgrade npm to the latest version on Mac

No matter what I've tried, I can't update npm to the latest version (currently 3.10.7) on my Mac. The install seems to work, in terms of pulling down the latest version, but the latest version is...

Checkbox click function is not working angular 4

I have this data coming from another component on the basis of active tag when row is clicked I am pushing Id to ngModel of checkbox input field. Row click is working fine and checkbox is...

How should my other .js files be requested in the electron project ? / Token error in await/async block

I'm starting with Electron, I'm making an app for personal use. I have a code that has some functions that will be triggered by the user's action in the renderer process, in which a data will be...

npm test failed while testing react js application

Here, I am doing unit testing on some component in my reactjs application through enzyme.But after firing npm test command it gives an error and I don't know what is that error and how can solve...

TypeError: (0 , _react.useEffect) is not a function

when in the development environment, my app works just fine. When in the production environment it crashes with the error: Uncaught TypeError: (0 , _react.useEffect) is not a function It happens...

ReactNative: babelHelpers.typeof is not a function

On an existing project, that have worked fine over many months and which is already in the AppStores for both iOS and Android, we've got now a break on development with this...

NPM install/start Errors

I can't make an npm install or npm start command. When I try npm install the console returns: undefined postinstall C:\Users\Aristophanes &gt; cd packages/react-error-overlay/ &amp;&amp; yarn...

Composer error on update [UnexpectedValueException]

I get this error when try to update composer. Im using the comand: composer update -v --no-dev And i get this error (stack trace) below: Adding VCS repository npm-asset/lodash.uniq Adding VCS...

Karma showing this error TypeError: Cannot read property 'textContent' of undefined

I am writing a very basic unit test. I don't know what to do with it. I have tried so many things but cannot be able to resolve this error. Except first test other test is failing. Spec file...

Karma PhantomJs - TypeError on Linux and on Win 7 all tests succeed

I am running the commands npm install karma karma-jasmine karma-phantomjs-launcher [email protected] jasmine-core --save-dev karma start on my Linux CentOs 7.2 machine and get this...

Lost styles using Vuetify 2.0.4

I'm having difficulty updating an existing project with Vuetify 2.0.4. I'm fairly sure I'm initializing Vuetify correctly - when I refreshed my app I noticed that breaking changes in Vuetify...

Bootstrap Modal causes 'Uncaught TypeError: Cannot convert undefined or null to object' error in Heroku with Rails 6 app

I've built a Rails 6 app that uses React as a frontend and using Bootstrap React for my styling components. Everything works fine locally but when I deploy to Heroku and I try to create an...

Jhipster : cannot use jhipster-generator

I want to try new version of jhipster but i am not able to generate a sample project. I have a jhipster error : I install npm, yo, bower, generator-jhipster as suggested in the Jhipster...

Twilio SMS Marketing node . command won't start app gives throw error mac

I've been attempting to install the twilio sms marketing example app (https://github.com/TwilioDevEd/marketing-notifications-node/tree/master) . I've installed mongodb and mongo and have been able...

Angular2 Error self.parentView.context.. is undefined

I'm trying to go on my angular 2 webapp but I get this error on each page : I haven't changed anything in the app, and it works on computers of people of my team. Is it caused by these warnings...

Initializing private npm package generates super long dependency

I am a junior developer and got a question while packaging my react library. When I run npm init --scope=&quot;scope_name&quot; command, it generates super long dependencies in package.json...

Rails 6 - what's the folder node_modules inside my app?

I try to create new Rails 6 app. When I do this, Rails create new folder node_modules. inside it, there are many other folders (packages) that I didn't install. 1. What's the folder node_modules...

Webpack compiles locally, but not on Heroku

My Webpack is compiling properly on my development environment, but once I deploy to Heroku, I'm receiving an error that Chart.js isn't a module- remote: -----&gt; npm install --only=dev remote:...

Publishing a .NET Core / Angular 4 Project to Netlify

Does anyone have experience publishing a .NET/Angular project to Netlify? I'm using the Angular Microsoft.AspNetCore.SpaTemplates template. On Netlify, I'm getting a non-zero exit code that's...