Category "typescript"

Angular. Form Model Validation

I'm trying to follow an example from Adam Freeman's book on Angular and now stuck with Using a Form Model for Validation. I have a similar issue as in Angular T

How can I make a typescript generic less specific?

When typescript captures generics it captures them very specifically which can lead to complications. How can I make this "LessSpecific" type dynamically return

Clicking in Canvas Angular

I am trying to capture the mouse click on a canvas that is resized (to draw an rectangle), my problem is that event.screenX /event.screenY always returns the sa

how to do on the Angular svg map to bubble point?

I added this map for the angular type script project, dose any one know to how to create bubble count region on the map like this image Stack blitz here here th

Typescript, merge object types?

Is it possible to merge the props of two generic object types? I have a function similar to this: function foo<A extends object, B extends object>(a: A,

CDK drag-drop is not working in Tablet device

I'm trying to use the Angular Material CDK Drag-Drop module from https://material.angular.io/cdk/drag-drop/overview It is working in desktop device but it is no

How to import a local grammar in tree-sitter node?

I am currently trying to import my own created grammar in a typescript node project in the following way: import Parser = require('tree-sitter'); import Languag

Is there any way to better visualise typescript errors?

I am using babel typescript preset to transpile my code. Some TS errors that I am getting emitted in the console could use some better formatting. I wonder if t

Construct signatures with JSDoc and TS-Pragma ts(2351)

I've a function that returns a constructor dynamically. When I try to instantiate the new object it warns me This expression is not constructable. Type 'myConst

Next auth getSession with typescript

I am using next-auth getSession in API routes like this const mySession = await getSession({ req }); I am certain that the type of the mySession is this type S

Angular Material Datepicker Selection Strategy - how to get value of selected date range

I'm trying to create a table which will display some info. The columns will be dynamically changing according to the selected date range. I'm using Date range p

TypeError: Class extends value undefined is not a constructor or null while using stream-browserify

While using stream-browserify to import Transform class and extend it in the code causing the following exception in the browser console AudioUtils.ts:52 Uncaug

How can I bind my selectAll button in Angular to an $event change?

May I know how to trigger the $event on the click of my selectAll button in Angular? My code are as follows: <div class = "col-md-auto" id = "container">

TypeScript & React: What's the difference between 'React.HTMLProps<T>' and 'JSX.IntrinsicElements["T"]'

I am looking for the most "canonical" and/or "up-to-date" way to add a set of default HTML attributes as a set of allowed TypeScript props to a customized, "enh

Using Auth0 with NestJS on gRPC Methods

I am trying to implement NestJS Guards for Authentication and Authorization to my gRPC Services, which are implemented in NestJS. @GrpcMethod(USER_SERVICE_NAME,

Create extra boolean property with name suffix `_ro`

Can I create an extra property with a property decorator? The way I'm trying to do this obviously does not work. const RoProp = () => { return <T>(ta

Chosen label is not changing after cancel button in ng2-daterangepicker

Using n2-daterangepicker. Facing two problems. When select custom range its not changing the chosen label change If applied cancel button and then click custom

How to use vuex mutation in Nuxt

I am not able to use this mutation to change the state of a value in Vuex pages/example.vue <template> <div class="pa-md-10 mx-md-10"> <v-r

React pass multiple properties and children

I'm new to React, typescript and nextjs and I'm trying to pass multiple properties to a component. But, I seem to override them. For example I have this in my _

Keyof not working in template literals due to Symbols

I would expect either of these types to work, but these both throw errors. export type Object1<T extends { [k: string]: any }> = `${keyof T}`; export type