I have a nested json object and define a interface for it But when I use it. It appear a warning. What did I do wrong or missing? Answer You didn’t do anything wrong per se. TypeScript just cannot infer whether your menuPermissionForKey is a Menu object or a string array. Ideally, you’d define you…
Tag: typescript
counting member from nested array of objects using ramda
Here is how my data object looks like and I tried to implement it like I am not sure if it is a good solution or we can write it in compact way. It also shows the correct number but if I try to use it in TypeScript I am a TS error ts(2769) Answer You can use R.chain with
How do I update dynamic array inside useEffect in Typescript?
I have an array declared as Then set the array with the values as Then I want to update this array from useEffect. I tried below code when displaying subjects array, it is not updating with “Java”. Can anyone help me to solve this? Answer You are not triggering any re-rendering of your component. …
Angular ag-grid edit icon click get row data
grid setting the colDefs with multiple array of objects last being action where I’m displaying edit icon inside action button compoment action.compoment.html (ActionButtonComponent) rowData is an array of object I’m passing and which are displaying in grid How can I get particular row data object …
What is the best condition between negative and positive numbers to avoid repeating comparisons?
I would like to make a bunch of comparisons between numbers, both negative and positive and based on that trim the number toFixed decimal points, but I would like to avoid lengthy conditions. Here’s a code sample: What is the best way to refactor and perhaps to convert the number to absolute value, add …
HTML: How to make URLs inside of text clickable?
I cannot hand-code the <a> … </a> since the input is a not known string. I came up with this: HTMLFormattingService: HTML: The replacing works, but the <a> … </a> is NOT clickable with this method! That is because <a> not treated as a HTML element but just as text. So…
How to assign types for the elements in an object
Here I have the interface type assigned to the user which is an object. Is there any way to assign the types to it’s elements? What I’m trying to do, Answer
unable to change content of duplicated modal card
“` I’ve duplicated six modal cards that operate OK with javascript, but they are all identical and I can’t change different html content. I spent the entire day trying to solve this problem while feeling panicked. I have a deadline until Monday and other tasks to complete, so if I don’…
React typescript eslint error Parsing error: Unexpected token ! How to fix this?
So this is my index.tsx: and this is my eslintrc.js: i have tried to install babel-eslint, and add it like a parser? but it didin`t help so here`s the question, how to solve the problem “error Parsing error: Unexpected token !”? Answer Set typescript-eslint as your parser by adding “parser&#…
Discord.js Modal ValidationError
I’m attempting to make a bot but when I try to show the user a modal, I get the following error: ValidationError: Expected the value to be a string or number I’m not sure why this happens, but here is the code which seems to be causing it: Answer Discord.js error messages leave a lot to be desired…