How to create a new data set depending on the values at certain array indexes?

I have an array that contains multiple objects and each object has an array called data that contains multiple data. “datasets”: [ { data: [1227.0, 698.4, 2903.1, 7280.2, 5447.9] }, …

Add type for onClick property which is in …props in React TypeScript

I have a button component in which I’m trying to write the prop types using type and I see this error in the console. Could anyone please help? Type ‘{ children: string; label: string; onClick: () =&…

map.get is not a function while retrieving a value from a map in typescript

I am having a map with key and value as strings. However when trying to retrieve a value based on the key it is throwing error . the following is my code snippet. let map:Map = {…

reduce array of array into a flat array of object

I’m stuck at transforming a data structure: let d = [ { no: 1, score: 7000 }, { no: 2, score: 10000 }, [ { no: 1, score: 8500 }, { no: 2, score: 6500 } ] ]; d = d.reduce((accum, …

WeakMap with event.target

Edit: turns out nothing is actually wrong with the second snippet (my real code). On one page it works, and on another it doesn’t. Yea for underlying errors. I’m creating a DOM element and giving that …

Convert es6 string in dot into an formData key

Given a JS string let string = ‘language.0.name’ how can I convert the string to formData key notation so I can go ‘language[0][name]’ I try this but I want short code with regular expression let …

Return True If Contains in String in ES6

How do i return true if location.pathname is found in of these strings is found in ES6? const noActionMenuRoutes = [ ‘/master/employees’, ‘/employees/dashboard’, ‘/employees/requests’, …

How to add cumulative values in a JSON object in ES6?

I’m trying to add cumulative values in my JSON object. When I tried using reduce it’s summing up all the values of particular key value. How can I achieve my desired output? Sample JSON [{ “id&…

Import and execute all files on folder with es6

I am migrating some node ES5 node code to Typescript. I need to port these two pieces of code where I iterate through all the files in a directory and call the default function these files are …

Defining listener function inside function

When I define a function outside the function, I cannot access the glide parameter: export const setFocusListenersForKeyboardNavigation = (glide) => { const slides = glide._c.Html.slides; …