xy.js | based JavaScript 2D plotting / | Chart library
kandi X-RAY | xy.js Summary
kandi X-RAY | xy.js Summary
Xy.js is a lightweight, highly-customizable, Canvas-based JavaScript 2D plotting library. It will draw a [Chart.js] lovely point-line chart by default.
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QUESTION
I have recently ejected Create-React-App and reconfigured many stuff! however, I still can't get the tests working... I get the following error :
ANSWER
Answered 2021-May-19 at 05:03According to Jest:
Modules that are mapped to an alias are unmocked by default, regardless of whether automocking is enabled or not.
This means the mapped module test-utils, is trying to import a module that is not mocked, thus the import error.
If you'd wanted to create an alias for your tests like the 'test-utils' I've been trying to do, you should use moduleDirectories instead.
ModuleDirectories is an array of directory names to be searched recursively up from the requiring module's location. The default value is node_modules and in fact this is how Jest imports your third-party libraries into the tests.
Here is an example that will create an alias to a folder named 'utils':
QUESTION
I'm doing a project using NestJS, and while developing the service and controller for a component, I was handling errors using try - catch methods and then throwing them. However, I encountered a certain error that I'm unable to throw, as it results in a blank response body, while other works. For example:
This is a (working) function inside my upload.service.ts:
ANSWER
Answered 2021-Mar-23 at 18:04Interesting question which made me look deep in the NestJS source. So, here's what's happening.
After throwing the BadRequestException that was passed a TypeError (note that this comes from NodeJS, not NestJS) the BaseExceptionFilter catches the error and passes it down to the ExpressAdapter (assuming you're using express). There, on the following line, they do:
QUESTION
I need to test a function, and in that function a variable is created and assigned a value.
But the payload constant is always undefined.
campaigns-card.component.ts
...ANSWER
Answered 2021-Apr-06 at 16:18Almost there. The issue is that this is an observable and you shouldn't be mocking the pipe function on it but return an observable from the function call.
Try this:
QUESTION
I am trying to deploy my React + Spring Boot app to docker. However, the api from backend seems not connected with my React app although I have already check the port 8080 of the Spring Boot server and check the proxy.js in the React app. It keeps performing "Error occurred while trying to proxy request" error. Please help me answer this!
Here's the proxy.js
...ANSWER
Answered 2021-Feb-19 at 16:17Running in Docker is the same as if you were running your front end and backend in two different machines. As such, you cannot use localhost to talk to your backend. Instead you need to use the service names as defined in your docker-compose. So in your case you should use 'server' instead of localhost.
Docker-compose automatically creates an internal network, attaches both of your containers to that network and uses the service names for routing between the containers
QUESTION
spent a couple of days attempting to set up a proxy for my react app to my express backend where I am using passportjs for gooogle social auth.
react dev server on PORT 3000 express server on PORT 5000
When I click on the button, it reloads the page, but does not start the passportJS google auth process (i.e. does not redirect to the oauth2 flow).
...ANSWER
Answered 2021-Feb-13 at 13:48I did not end up needing the package.json proxy entry. These are all of the pieces together that got everything to work as expected.
I have the front end application in a /client directory which is where I used create react app.
From package.json in the create react app (client directory) I deleted this as the http-proxy-middleware seems to require commonjs imports "type": "module",
setupProxy.js
QUESTION
I deployed my frontend (ReactJS) and my backend(Spring Boot) as two different apps (with different addresses) to Heroku. Frontend link: https://front-for-app.herokuapp.com. Backend link: https://back-for-app.herokuapp.com. On React in file setupProxy.js wrote an address of backend:
...ANSWER
Answered 2021-Jan-27 at 00:24Ok, I have figured it out. The setupProxy.js file is only for the development. To make production code we have to create static.json file in the root of the project.
In my case the code of this file is:
QUESTION
I'm using the http-proxy-middleware middle ware. Content-Type: application/json is must be add in API's headers while execute with postman. I added my API's header configuration in React.
I think the error is caused by I dont send headers corrently. Actually I dont know. Please help me.
Thanks
Spring Boot
MovieController.java
...ANSWER
Answered 2021-Jan-04 at 11:31I looked more closely at the code and noticed many mistakes. This is true.
env.js
QUESTION
calling 'localhost:3000/contacts' (with or without parameters) at postman returns me this error and i don't know why. My backend is connected to a PostgreSQL db.
TypeError: Cannot read property 'createQueryBuilder' of undefined at ContactsRepository.Repository.createQueryBuilder (...\Documents\Visual Studio Code Projects\funds-backend-nestjs\node_modules\typeorm\repository\Repository.js:17:29) at ContactsRepository.getContacts (...\Documents\Visual Studio Code Projects\funds-backend-nestjs\dist\contacts\contacts.repository.js:17:34) at ContactsService.getContacts (...\Documents\Visual Studio Code Projects\funds-backend-nestjs\dist\contacts\contacts.service.js:24:39) at ContactsController.getContacts (...\Documents\Visual Studio Code Projects\funds-backend-nestjs\dist\contacts\contacts.controller.js:25:37) at ...\Documents\Visual Studio Code Projects\funds-backend-nestjs\node_modules@nestjs\core\router\router-execution-context.js:38:29 at processTicksAndRejections (internal/process/task_queues.js:93:5) at async ...\Documents\Visual Studio Code Projects\funds-backend-nestjs\node_modules@nestjs\core\router\router-execution-context.js:46:28 at async ...\Documents\Visual Studio Code Projects\funds-backend-nestjs\node_modules@nestjs\core\router\router-proxy.js:9:17
My code looks like this:
...ANSWER
Answered 2020-Nov-17 at 08:10ContactsRepository should only be used in the TypeOrmModule.forFeature() and not added to the providers or exports array. When it is added here, the injection token for ContactsRepository no longer points to the proper instance and Nest creates the class, but doesn't have it properly extend Repository as that code is all managed by TypeORM
QUESTION
I am a nest.js beginner and I am trying to implement Axios with my code and this error occurs and I would like to fix it.
...ANSWER
Answered 2020-Nov-08 at 13:53First of all nest.js provides you HttpService out of the box that you may inject it through DI: https://docs.nestjs.com/techniques/http-module
Second - you are trying to store whole response object which is complex data structure and contains circular dependencies as it stated in error message (TypeError: Converting circular structure to JSON)
What you should do is either you map the data you need instead of storing whole circular object,
or you should look up to some libs that could parse circular json: https://www.npmjs.com/package/flatted
QUESTION
I am trying to implement a unit test on a component with Jasmine and Karma.I am using Angular 10. The component I am testing is HomeComponent. I do a test on retrieving courses that are for beginners
ANSWER
Answered 2020-Sep-10 at 17:19You have to define courseServiceSpy outside of the beforeEach block, so that the rest of the code can access the variable.
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