All Questions
57 questions
2
votes
1
answer
38
views
Exporting Class with Require yields error
There is a nuance that I seem to be missing. I have Googled so many fixes recommended for this problem I don't know what is real anymore, nothing seems to work.
MyProject on Replit and the offending ...
0
votes
0
answers
46
views
Execute class methods in random order - JavaScript [duplicate]
I need to execute all methods in random order from main_method (i will create a class instance later).
But when first function start executing it shows that "this" inside her is equal ...
- 11
1
vote
1
answer
89
views
How can I get the script name where an object of class is initiated within the class in JavaScript
I was looking for a way to get all the filenames where my class is imported and initiated an object of the class.
Is it possible to get? If yes, how?
- 338
0
votes
1
answer
309
views
Check if object is Array of instance of specific object in Node.JS
I have a simple class in Node JS
class Animal {
constructor(name) {
this.name = name;
// more fields ...
}
}
let objects = [];
objects.push(new Animal('Dog'));
objects.push(new ...
- 21.9k
0
votes
1
answer
772
views
nodejs Super expression must either be null or a function
In my UserService class I am trying to call my base class constructor with super. If i try to do this I get the following error: TypeError: Super expression must either be null or a function
Here is ...
- 515
1
vote
2
answers
219
views
OOP in Nodejs. Nesting Classes?
I am trying to create a class for each nfl team. in my code below you can see I create two https requests to an external API. the first request creates a class for each NFL team and has various ...
- 175
0
votes
1
answer
756
views
Getter Method coming up undefined
I am having trouble with my getters coming back undefined when getting data from the API. but when I hard code the data using my class the record and division record return just fine. Does anyone ...
- 175
0
votes
1
answer
900
views
Typescript: Not able to import object from another file
This seems like a very weird problem but for some reason I am not able to import a const declared in one file into another file. On importing the const I'm getting a TS error stating Module '"../...
0
votes
2
answers
2k
views
Conditionally extend the current class
I want a JavaScript class that can conditionally add additional methods into itself from separate files. The idea is to separate different concerns of the app into more manageable self-contained ...
- 4,224
0
votes
1
answer
652
views
How to convert class with static items to module file
I have a class like this:
export default class {
static myConnection = GHD.initConnection();
static getCards = () => this.myConnection.getCards();
}
And I call it as:
import connector from '....
- 6,859
0
votes
1
answer
384
views
How to split an ES6 class definition across files cross-referencing private members?
Referencing a private member E.G. this.#rts() gives the error:
SyntaxError: Private field '#rts' must be declared in an enclosing class
Although when that line is evaluated, the function has been ...
- 12.3k
4
votes
1
answer
2k
views
(javascript) invoke es6 getter using "call"
I'm trying to create a (class) instance that copies the behavior of another class, but using itself as the state context (this). Normal functions work fine (like the setValue function in the example ...
- 3,539
0
votes
3
answers
944
views
Check class property exist when calling from object in NodeJs
I'm working on nodeJs Here I create class and I want that when any property called which is not exist in this class it will print warning in console how can I do this? Maybe using somekind of class ...
- 509
1
vote
2
answers
2k
views
How to Destructure a huge JSON object dynamically?
class Options extends React.Component {
constructor(props) {
super(props);
this.state = {
//previously called validOptions //Whether JSON_output has been uploaded to Azure
...
- 426
1
vote
2
answers
609
views
Constantly getting "x is not a function" error in node.js
I'm trying to call a method inside another method but I get error "x is not a function".
The methods are in very same class.
I'm new in node so I don't get its errors at all. My code is :
file app.js ...
