I’m converting one of my JavaScript apps to TypeScript and I’ve got a problem: I’ve got a numeric enum, AnswerKeys and a key, “C”. I’d like to get the member’s value, “2”, so I tried using AnswerKeys[key]. It would work but I receive the following TypeScri…
Tag: enums
How to set values for cards in a card deck and compare which one has “higher” or “lower” value?
How to compare card values or even store them ? I’m pulling data from an API that gives me 1 card – and then I want to compare their values to see which one is higher with the next card.. how can I do something like that ? My values are pulled from an API and they return ‘K’ for
How to type enum and object to have same properties React Typescript
i have an enum: } and i want to create an object(or enum also) with the same properties (only goToInit and lockIp) } Answer You can use a Record and just use the enum as the first generic parameter for the key and then whatever function type you want to have next.
How to create initial value for .reduce based on enum?
I have a reduced function that needs initial values based on an enum. See simplified code below: The enum looks like this: I don’t want to explicitely list every member of the enum though. I tried with the following: Is there a way to simply add empty arrays for all of the enum’s members? Best cas…
Enums in Javascript with ES6
I’m rebuilding an old Java project in Javascript, and realized that there’s no good way to do enums in JS. The best I can come up with is: The const keeps Colors from being reassigned, and freezing it prevents mutating the keys and values. I’m using Symbols so that Colors.RED is not equal to…
const enum in Typescript
I have a React application that is using Typescript. Right now I’m running into an issue with const enum. Here’s my enum: The service I’m trying to match up to isn’t returning the value, but the index of the item within the enum. So, for instance, if the user is set to snack on an appl…