Trending questions in TypeSript

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Why typescript complains that XXX is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint X?

My code is this: export interface TreeItem { ...READ MORE

Jul 18, 2022 in TypeSript by Logan
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TypeScript: Class Constructor type

class Zoo<T extends Animal> { ...READ MORE

Jun 8, 2022 in TypeSript by Nina
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Error TS1005: ';' expected. TypeScript for First Build error rxjs inside node_modules

 I investigated that rxjs released a new version: 6.4.0. And ...READ MORE

Jun 10, 2022 in TypeSript by Nina
 • 3,060 points • 2,885 views
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Angular4 - routerLink with typescript

In code, you use .navigate instead: this.router.navigate(['/products']); You pass ...READ MORE

Jun 22, 2022 in TypeSript by Nina
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How can I include pug templates in compiled typescript?

My nodejs based application uses Pug for ...READ MORE

Jul 13, 2022 in TypeSript by Logan
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How do I extend a TypeScript class definition in a separate definition file?

If you don't have control over the ...READ MORE

Jun 10, 2022 in TypeSript by Nina
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Why typescript complains that XXX is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint X?

My code is this: export interface TreeItem { ...READ MORE

Jul 13, 2022 in TypeSript by Logan
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What is the way of declaring an array in JavaScript?

These are some of the way to ...READ MORE

Aug 3, 2022 in TypeSript by krishna
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How to read local csv file in JavaScript/TypeScript?

Here is how to use the readAsBinaryString() from the FileReader API ...READ MORE

Jun 9, 2022 in TypeSript by Nina
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Cast a JSON Object to a TypeScript class

I had the same issue and this ...READ MORE

May 31, 2022 in TypeSript by Nina
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Jest + Typescript cannot mock AWS transcribe function

I've been trying to figure out how ...READ MORE

Jul 14, 2022 in TypeSript by Logan
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Typescript error (2345) when pushing element to array of elements(React js)?

I'm pretty new to Typescript and I ...READ MORE

Jul 5, 2022 in TypeSript by Nina
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ngx-image-cropper imageloaded() not passing any image data to typescript file event method

I'm using ngx-image-cropper to load and crop images. According ...READ MORE

Jul 5, 2022 in TypeSript by Logan
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Typescript: Changing the definition of some third party types d.ts

I am a little bit lost how ...READ MORE

Jul 18, 2022 in TypeSript by Logan
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TypeScript types to restrict array values

Can I use TypeScript types to restrict ...READ MORE

Jul 18, 2022 in TypeSript by Logan
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Stepper Material : using stepper.reset() inside TypeScript

Is it possible to use stepper.reset() inside ...READ MORE

Jul 5, 2022 in TypeSript by Nina
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Where to find TypeScript version in Visual Studio?

If you only have TypeScript installed for ...READ MORE

Jun 7, 2022 in TypeSript by Nina
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How to pass HTML to JPG/PNG? In Javascript/Typescript

You can use the package: https://www.npmjs.com/package/dom-to-image In your page: import ...READ MORE

Jun 22, 2022 in TypeSript by Nina
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TypeScript -- new Image() from global scope

I have a class MYMODULE.Image{}, but I ...READ MORE

Jul 13, 2022 in TypeSript by Logan
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Error when calling theme Props in component using ReactJs and Typescript

I need to pass the color of ...READ MORE

Jul 5, 2022 in TypeSript by Nina
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User-Defined Extended Enums in TypeScript

I am writing a TypeScript library that ...READ MORE

Jul 18, 2022 in TypeSript by Logan
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Typescript: Clicking 'X' doesn't successfully close my popup banner

I've created a popup banner with the ...READ MORE

Jul 14, 2022 in TypeSript by Logan
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How to get webriver io typescript working wdio wizard?

I'm Putting together a WebdriverIO project with ...READ MORE

Jul 5, 2022 in TypeSript by Nina
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What is "ambient" in TypeScript

Ambient simply means "without implementation". Ambient declarations only exist ...READ MORE

Jun 22, 2022 in TypeSript by Nina
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TypeScript: Typing the result of an external module's non-mutating extension function

Let's say I'm using external package "foo". ...READ MORE

Jul 18, 2022 in TypeSript by Logan
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How can I create a navigational compass using Typescript and HTML?

I'm looking to display a compass heading ...READ MORE

Jul 13, 2022 in TypeSript by Logan
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How to add and declare new property to class using decorator in typescript (angular)

I'm trying to add new property to ...READ MORE

Jul 5, 2022 in TypeSript by Logan
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What is TypeScript and why would I use it in place of JavaScript?

Can you please describe what the TypeScript ...READ MORE

Jul 18, 2022 in TypeSript by Logan
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How to use useState hook in React with TypeScript correctly?

Without any initial argument, the type of email and setEmail will ...READ MORE

Jun 10, 2022 in TypeSript by Nina
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Alternative to decorate function in TypeScript

Since TypeScript allows decorate only class, method, ...READ MORE

Jul 14, 2022 in TypeSript by Logan
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Create a react app react 18 with typescript

I am trying to create react 18 ...READ MORE

Jul 5, 2022 in TypeSript by Logan
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Applying pdf watermark at typescript side

I am trying to add a watermark ...READ MORE

Jul 14, 2022 in TypeSript by Logan
 • 2,140 points • 503 views
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In typescript, why do the | and & operators flip their meaning when used on function types?

In this code, example1 and example2 are confusing me: type F1 = ...READ MORE

Jul 13, 2022 in TypeSript by Logan
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How to watch typescript files in the background continuously without blocking the terminal?

Is there a way to run tsc ...READ MORE

Jul 14, 2022 in TypeSript by Logan
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What is a type in Typescript for the Component class in Angular 2+?

I have a small problem, but big ...READ MORE

Jul 5, 2022 in TypeSript by Logan
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Typescript hierarchical inheritance

Consider the following: class A { commonString: ...READ MORE

Jul 5, 2022 in TypeSript by Nina
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edited Dec 6, 2023 by Soumya • 678 views
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TypeScript Object assign gives me an error property assign does not exist on type ObjectConstructor

For TypeScript 2.1 and higher, you can ...READ MORE

May 31, 2022 in TypeSript by Nina
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Why I can't create Face3 in ThreeJS Typescript project

I am trying to create Mesh by ...READ MORE

Jul 5, 2022 in TypeSript by Logan
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Is there any official Typescript definition for fabric.js?

At the moment, I am able to ...READ MORE

Jul 5, 2022 in TypeSript by Logan
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Function definition syntax confuse in Typescript

I figure that out: One post in ...READ MORE

Jul 5, 2022 in TypeSript by Nina
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What should the return type of Promise.race be? (Typescript)

For example in the code below, what ...READ MORE

Jul 5, 2022 in TypeSript by Logan
 • 2,140 points • 587 views
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Karma, Typescript definition file not loading

I am working on setting up development ...READ MORE

Jun 22, 2022 in TypeSript by Logan
 • 2,140 points • 1,002 views
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How to define props in TypeScript where a parent component injects props in its children?

Typescript doesn't remove this special rule "!text" ...READ MORE

Jun 16, 2022 in TypeSript by Nina
 • 3,060 points • 1,217 views
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I don't know about return type in typescript

TYPESCRIPT 3.4.3 I want to make function like ...READ MORE

Jul 5, 2022 in TypeSript by Logan
 • 2,140 points • 314 views
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React Typescript: It looks like you're trying to use TypeScript but do not have typescript installed

I want to create a React application ...READ MORE

Jun 22, 2022 in TypeSript by Logan
 • 2,140 points • 853 views
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TypeScript, Angular & ESlint - Definition for rule '@typescript-eslint/space-infix-ops' was not found

I managed to resolve this by forcing ...READ MORE

Jun 16, 2022 in TypeSript by Nina
 • 3,060 points • 1,083 views
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How to use moment.js library in angular 2 typescript app?

REFERENCE: https://momentjs.com/docs/#/use-it/typescript/ You can install this by using: npm install ...READ MORE

Jun 1, 2022 in TypeSript by Nina
 • 3,060 points • 1,702 views
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1 answer

Typescript: how to define message type for broker consumer

Our main goal - is to make ...READ MORE

Jun 15, 2022 in TypeSript by Nina
 • 3,060 points • 1,032 views
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1 answer

Chutzpah configuration for running TypeScript tests in both Visual Studio and Visual Studio Team Services build

I'm not sure if this response is ...READ MORE

Jun 16, 2022 in TypeSript by Nina
 • 3,060 points • 885 views
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Angular ForEach in Typescript?

Try this: selectChildren(data, $event) { ...READ MORE

Jun 7, 2022 in TypeSript by Nina
 • 3,060 points • 1,331 views
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