Category "typescript"

How to use an object with const assertion (as const) as an unique symbol for another type key

I have a list of routes : const N: any = "N"; // get const from non typed lib for example or typed as "string" const PREFIX = `Route_${N}` as const; const Route

Postgres TypeORM - FK to PK that is also FK to another table - constraint error

In my NestJS application with postgres db I have these 3 entities: User, Writer, Book and a class named UserBaseEntity. export class UserBaseEntity { @Prim

Can't run a TS node + ES app - either get `ERR_UNKNOWN_FILE_EXTENSION ` or `new ERR_MODULE_NOT_FOUND`

I'm trying to compile my code as ES code (using "type": "module" inside package.json and "module": "esnext" inside tsconfig.json). I can't run it using any of t

Jest: How to transform import.meta.url using Next 12 with SWC

I am using Jest in a Next.js 12 App with the Rust Compiler. Since I'm using WebWorkers I have a file in which I use import.meta.url. to construct the worker The

NestJs Swagger: How to define Api Property for dynamic classes

I have below class export class DocumentsSteps { @ApiProperty({type: ???}) [type: string]: DocumentStep; } How should I define ApiProperty type?

TypeScript: Is it possible to safely access nested properties of an object given an array of keys? Can this be done in a type safe and composable way?

I'd like to write a function which gets a value from an object given an array of property keys. It would look something like this: function getValue<O, K ext

TypeORM error when trying to create migration in CLI

I'm trying to use the TypeORM CLI to create a migration. I followed their guide but when I run yarn run typeorm migration:generate I get the error: $ typeorm-ts

Angular_Improper_Type_Pipe_Usage in checkmarx scan

We are using a tool called checkmarx to scan code vulnerability. I am getting Angular_Improper_Type_Pipe_Usage warning for the below Angular code in checkmarx s

How to get the contents of a file as a String

I am new to Typescript and node. I have this function sftp.connect(config) //CONNECT TO STFP .then(() => { sftp.list(remoteFilePath) //LIST THE FILES IN

Issue while updated the styles from opactiy 0 to opacity 1 in angular through async call in html

Below is the piece of code I am using in angular <div class="root" [class.loaded]="loaded$ | async"> The styles applied to the class as follow div.root {

No Typescript error for unresolved types in .d.ts files?

For as long as I can remember, Typescript didn't warn about unresolved/undefined types in .d.ts files. I could run tsc and it wouldn't have any errors. I alrea

Error : Module '"@angular/material"' has no exported member "..."

i create a custom Angular material module, material.module.ts file and import the following Angular material UI components in this file like given below. import

Why is Buffer assignment triggering an unsafe assignment error?

I have a TypeScript project that is leveraging ESLint. I have a class that utilizes a Buffer as a class attribute. I want to be able to set the buffer as part

Next.js server keeps runing but nothing is being displayed in the browser for about 20 minutes

I'm developing this application with Next.js i'm using typescript as a language. I'm also using module css to style my components. I initialized my next applica

Redirect to 404 page if url is incorrect or if a 404 error is got from BE

I need to redirect to a custom page in case if the entered URl does not exist or in case if I receive a 404 error from BE. To catch the BE error I do a navigati

Error message TypeError: this.subQuery is not a function appears

If I run the tests with jest, I got always the error message TypeError: this.subQuery is not a function with a reference on the marked line in the testModelDb.t

Upgrading Jest to v28 - Error Test environment jest-environment-jsdom cannot be found

Has anyone successfully upgraded to latest Jest version 28.0.0? I'm receiving an error: Error: Test environment jest-environment-jsdom cannot be found. Make sur

Defining Firebase Function Return Types in Firebase using TypeScript

Is there a way to define what a Firebase function's return type using TypeScript? For example: export const helloWorld = https.onCall(async (): Promise<strin

React + Gsap loop scroll

I just want to know wether someone knows how to create an loop vertical scroll using react and gsap. Thank you in advance!! i tried to use some links but didn't

cypress test asserting a filtering operation on array of objects expecting undefined

I have a cypress test over an API. When I do cy.getUnits(u.email) I'm expecting a 200 OK response similar to this in the body of the response {   &ld