Trending questions in TypeSript

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Typescript with Webpack - You may need an appropriate loader to handle this file type, currently no loaders are configured to process this file

So I believe the problem is that ...READ MORE

Aug 3, 2022 in TypeSript by Abhinaya
 • 1,160 points • 70,402 views
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1 answer

Argument of type 'any' is not assignable to parameter of type 'never'.

All you have to do is define ...READ MORE

May 31, 2022 in TypeSript by Nina
 • 3,060 points • 67,054 views
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Only refers to a type, but is being used as a value here

To do type checking at runtime with ...READ MORE

Jun 8, 2022 in TypeSript by Nina
 • 3,060 points • 62,072 views
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Typescript: Property "XXX" does not exist on type 'IntrinsicAttributes & IntrinsicClassAttributes

Double check the newly added object types. ...READ MORE

Jun 8, 2022 in TypeSript by Nina
 • 3,060 points • 50,567 views
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1 answer

Typescript: TS7006: Parameter 'xxx' implicitly has an 'any' type

You are using the --noImplicitAny and TypeScript doesn't know ...READ MORE

Jun 10, 2022 in TypeSript by Nina
 • 3,060 points • 30,449 views
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1 answer

Redux + TypeScript -> Error: A case reducer on a non-draftable value must not return undefined redux

reducers: { updateMode(state: SliceState, ...READ MORE

Jun 8, 2024 in TypeSript by abhi
edited Mar 5, 2025 • 11,206 views
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1 answer

TypeScript ES6: import module "File is not a module error"

We need the export, as a part of ...READ MORE

Jun 7, 2022 in TypeSript by Nina
 • 3,060 points • 24,447 views
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1 answer

TypeScript: 'tsc command not found'

A few tips in order restart the terminal restart ...READ MORE

Jun 7, 2022 in TypeSript by Nina
 • 3,060 points • 23,923 views
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1 answer

How to fix Definition for rule typescript-eslint no-use-before-declare was not found eslint typescript-eslint no-use-before-declare

Well according to this page, this rule is ...READ MORE

Jun 1, 2022 in TypeSript by Nina
 • 3,060 points • 23,034 views
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1 answer

Typescript Errors: How do I ignore the error "property does not exist on value of type"

to ignore it globally, in your tsconfig.json, ...READ MORE

Jul 26, 2023 in TypeSript by john
edited Mar 5, 2025 • 13,079 views
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1 answer

TypeScript TS7015: Element implicitly has an 'any' type because index expression is not of type 'number'

If you want a key/value data structure ...READ MORE

Jun 7, 2022 in TypeSript by Nina
 • 3,060 points • 21,446 views
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Typescript says: "types '"a"' and '"b"' have no overlap". What does it mean?

const value = Math.random() < 0.5 ? ...READ MORE

Jul 5, 2022 in TypeSript by Logan
 • 2,140 points • 9,045 views
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1 answer

TypeScript error TS2304: cannot find name ' require'

Here's a really easy work around: declare var ...READ MORE

May 31, 2022 in TypeSript by Nina
 • 3,060 points • 18,235 views
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1 answer

TypeScript - ',' expected.ts(1005)

You can't put statements in JSX curly braces, only expressions. You ...READ MORE

Jun 9, 2022 in TypeSript by Nina
 • 3,060 points • 17,110 views
0 votes
1 answer

Typescript: Can't find names - Error: cannot find name

A known issue: https://github.com/angular/angular/issues/4902 Core reason: the .d.ts file implicitly included ...READ MORE

Jun 7, 2022 in TypeSript by Nina
 • 3,060 points • 15,734 views
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What is argument of type 'never[ ]' is not assignable to parameter of type 'string' in TypeScript

This is my code : export default class ...READ MORE

Apr 18, 2023 in TypeSript by anonymous
edited Mar 5, 2025 • 1,308 views
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0 answers

Javascript Arrays Opposite of Includes

What is the proper approach to remove ...READ MORE

Aug 8, 2022 in TypeSript by krishna
 • 2,820 points • 5,089 views
0 votes
1 answer

Typescript: Debug Failure. False expression: Non-string value passed to `ts.resolveTypeReferenceDirective`

The same as a couple of days ...READ MORE

Aug 3, 2022 in TypeSript by Abhinaya
 • 1,160 points • 7,824 views
0 votes
1 answer

Error in the angular compiler requires typescript >=3.4.0 and <3.6.0 but 3.9.10 was found instead

Run this script to find exact version npm ...READ MORE

Aug 3, 2022 in TypeSript by Abhinaya
 • 1,160 points • 7,554 views
0 votes
1 answer

How to use useState hook in React with typescript correctly?

You can set a string type for it Explicit way: const ...READ MORE

Aug 3, 2022 in TypeSript by Abhinaya
 • 1,160 points • 7,290 views
0 votes
1 answer

How to use document.getElementById() method in TypeScript?

Typescript will force you to check the ...READ MORE

Jun 15, 2022 in TypeSript by Nina
 • 3,060 points • 9,154 views
0 votes
1 answer

React Native Performance: Javascript vs Typescript

The performance of React Native with JavaScript ...READ MORE

Apr 1, 2023 in TypeSript by DSKView
 • 180 points
edited Mar 5, 2025 • 2,594 views
0 votes
1 answer

Using TypeScript, and Object.assign gives me an error "property 'assign' does not exist on type 'ObjectConstructor'"

You can use type assertion, like this: (<any>Object).as ...READ MORE

Aug 3, 2022 in TypeSript by Abhinaya
 • 1,160 points • 6,722 views
0 votes
1 answer

Typescript compiler can't find node with yarn - Cannot find type definition file for 'node'

I solved it on my computer by ...READ MORE

Jun 22, 2022 in TypeSript by Nina
 • 3,060 points • 8,133 views
0 votes
1 answer

Why is Event.target not Element in Typescript?

JLRishe's answer is correct, so I simply ...READ MORE

Aug 3, 2022 in TypeSript by Abhinaya
 • 1,160 points • 6,093 views
0 votes
1 answer

What is record in TypeScript

A Record<K, T> is an object type whose property ...READ MORE

Jun 7, 2022 in TypeSript by Nina
 • 3,060 points • 8,170 views
0 votes
1 answer

How to declare and initialize a Dictionary in Typescript

Apparently this doesn't work when passing the ...READ MORE

May 31, 2022 in TypeSript by Nina
 • 3,060 points • 8,308 views
0 votes
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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
 • 2,140 points • 1,239 views
0 votes
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How to cast a json in typescript?

How to remove properties automatictly? READ MORE

Nov 10, 2022 in TypeSript by Alexandre
edited Mar 4, 2025 • 975 views
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1 answer

Interface type check with Typescript

You can achieve what you want without ...READ MORE

May 31, 2022 in TypeSript by Nina
 • 3,060 points • 7,896 views
0 votes
1 answer

Definition for rule '@typescript-eslint/no-shadow' was not found

v2.34.0 of the typescript-eslint packages is 9 months ...READ MORE

Jun 13, 2022 in TypeSript by Nina
 • 3,060 points • 6,770 views
0 votes
1 answer

How can I define a type for a CSS color in TypeScript?

There was a proposal for a type of ...READ MORE

Jun 15, 2022 in TypeSript by Nina
 • 3,060 points • 6,598 views
0 votes
1 answer

TypeScript: How do you loop through a dictionary?

To loop over the key/values, use a for ...READ MORE

May 31, 2022 in TypeSript by Nina
 • 3,060 points • 7,059 views
0 votes
0 answers

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
 • 3,060 points • 2,059 views
0 votes
1 answer

VS Code enforces semicolons, but why doesn't Angular and TypeScript not use it consistently?

JavaScript has a syntactic feature known as semicolon ...READ MORE

May 31, 2022 in TypeSript by Nina
 • 3,060 points • 6,472 views
0 votes
1 answer

How to define string literal union type from constants in Typescript

You can also use enum for this ...READ MORE

Aug 3, 2022 in TypeSript by Abhinaya
 • 1,160 points • 3,680 views
0 votes
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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
 • 2,140 points • 2,537 views
0 votes
1 answer

How to install and run Typescript locally in npm?

It took me a while to figure ...READ MORE

Jun 8, 2022 in TypeSript by Nina
 • 3,060 points • 5,830 views
0 votes
1 answer

TypeScript and React Native: Are the type definitions for RN styles wrong?

You can test some of ways for ...READ MORE

Jun 10, 2022 in TypeSript by Nina
 • 3,060 points • 5,661 views
0 votes
1 answer

Angular/TypeScript: ng-multiselect-dropdown multiple properties in TextField

I was able to work around this ...READ MORE

Jun 13, 2022 in TypeSript by Nina
 • 3,060 points • 5,195 views
0 votes
1 answer

Angular 9 + CLI (TypeScript) - How to stop generating .spec.ts test files

If you're using v6 and need to ...READ MORE

Jun 13, 2022 in TypeSript by Nina
 • 3,060 points • 5,165 views
0 votes
1 answer

Is there any official Typescript definition for fabric.js?

Typically, packages in Definitely Typed aren't official ...READ MORE

Aug 3, 2022 in TypeSript by Abhinaya
 • 1,160 points • 2,947 views
0 votes
1 answer

Experimental decorators warning in TypeScript compilation

Although VS Code is an excellent editor ...READ MORE

Aug 3, 2022 in TypeSript by Abhinaya
 • 1,160 points • 2,914 views
0 votes
1 answer

What is the question mark for in a Typescript parameter name?

It is to mark the parameter as optional. TypeScript ...READ MORE

Aug 3, 2022 in TypeSript by Abhinaya
 • 1,160 points • 2,769 views
0 votes
1 answer

Using spread syntax and new Set() with typescript

This seems to be a typescript ES6 ...READ MORE

Aug 3, 2022 in TypeSript by Abhinaya
 • 1,160 points • 2,729 views
0 votes
0 answers

Using pdfmaker in Typescript

I want to use to pdfmaker in ...READ MORE

Jul 5, 2022 in TypeSript by Logan
 • 2,140 points • 3,986 views
0 votes
1 answer

What do square brackets mean in a type definition in Typescript?

I've missed a basic type of TypeScript: Tuples. So ...READ MORE

Jun 22, 2022 in TypeSript by Nina
 • 3,060 points • 4,606 views
0 votes
1 answer

Square brackets around vs after expression in Typescript

x is an Array, while y is a Tuple. The ...READ MORE

Jun 7, 2022 in TypeSript by Nina
 • 3,060 points • 5,176 views
0 votes
1 answer

What does the @ (at sign) mean in the latest TypeScript (presumably v1.5) example?

The big news this week is the ...READ MORE

Aug 3, 2022 in TypeSript by Abhinaya
 • 1,160 points • 2,521 views
0 votes
1 answer

How to import library with TypeScript Playground

TypeScript Playground isn't a fully fledged sandbox ...READ MORE

Jun 13, 2022 in TypeSript by Nina
 • 3,060 points • 4,343 views
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