Recent questions tagged typescript

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typescript - Angular2 access a select event change within the component

Working with Angular2s forms and trying to figure out the process of handling events with selects. I have an object ... } } Thanks in advance! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - How to bootstrap with HashLocationStrategy in Angular 2 RC5

I'm upgrading from Angular 2 RC4 to RC5 Here's my current main.ts import {enableProdMode} from '@angular/core ... can I enable Production mode? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript MyObject.instanceOf()

All of our typescript classes inherit (directly or indirectly) from: export class WrObject { className:string; ... approach? thanks - dave See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - error TS2339: Property 'split' does not exist on type 'string | string[]'. Property 'split' does not exist on type 'string[]'

When I build my application I get. error TS2339: Property 'split' does not exist on type 'string | string[]'. Property ... ": "2.3.X" } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - Angular 2 Failed to execute open on XMLHttpRequest: Invalid URL

I'm trying to call a service, it's works in DHC, but when I try to call in my angular 2 project, it crash, the ... ); })); Help :( and thank you See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - Is there any way to convert webpack bundled js file into source code ts?

Is there any way to convert webpack bundled js file into source code ts? I have bundle.js file with me ... any possible way to achieve this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - Check if a form is valid from a parent component using Angular 4

I am trying to check the validity of a form placed on a child component from a parent component. The best scenario ... ">Submit</button> </form> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - How to spread module across multiple AMD files?

I can't figure out if it even possible to have an "export module" spread accross multiple files. If I have ... files with no success so far. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - this keyword for function parameter

Recently when I use Rxjs 5, I downloaded Rxjs by using npm install [email protected], from downloaded code under ... usage like here? Thank you. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - global function in Ionic 2 / Angular 2

How can I setup a global function that can be accessed throughout all views? In app.component.ts I added a ... , still figuring Ionic 2 out. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - How to handle mongoose error with nestjs

I followed the example from https://docs.nestjs.com/techniques/mongodb The issue is when there is a mongoose ... using the nestjs framework) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - Using a full URL in a dynamic import()

Is it possible to use a full URL in a dynamic import() statement in ES6/Typescript? import('https://foo ... does module loading at runtime. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - Angular pass a Component as ng-template of another Component

In my Angular 6 app I need to pass a Component to another Component as its ng-template. The reason is that I ... How can I solve this problem? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - Angular-Material Sidenav cdkScrollable

The Angular Material CDK provides a Directive CdkScrollable, which allows you to listen to ScrollEvents of a specific ... and if so, how? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript node.js express routes separated files best practices

using Express in a Node project along with Typescript what would be the "best practices" for express.Router. example ... return router; })(); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript named parameters like used in angularjs?

I'm trying to learn both typescript and angularjs (and thus javascript as i'm a noob) going through the ... property injection) any ideas? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - How to pipe / map an Observable in Angular

A nested object is showing up as [object Object] so I'm trying to cast it via pipe and map but I'm not ... 'OperatorFunction<{}, Client[]>'. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - Angular2 cast a json result to an interface

Using Angular2 and typescript, I have JSON returned from a webApi and I need to get it into an array of ... compile error and no runtime error. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - Discriminated Union of Generic type

I'd like to be able to use union discrimination with a generic. However, it doesn't seem to be working ... .item loses it's discrimination. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - How to check if a given string key exists in Enum?

I have an enum defined like this: export enum someEnum { None = <any>'', value1 = <any>'value1', value2 ... expression is not of type 'number'. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - Type 'null' is not assignable to type 'T'

I have this generic method class Foo { public static bar<T>(x: T): T { ... if(x === null) return ... is the proper way to solve this problem See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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912 views

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typescript - Angular2 / RxJS - updating variable after getting data from Http observable

I would like to turn on my loader icon (e.g. spinner) isLoaderEnabled when data starts to download from API and turn ... .') ); } Thank you. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - Type 'null' is not assignable to type 'T'

I have this generic method class Foo { public static bar<T>(x: T): T { ... if(x === null) return ... is the proper way to solve this problem See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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954 views

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typescript - Angular2 / RxJS - updating variable after getting data from Http observable

I would like to turn on my loader icon (e.g. spinner) isLoaderEnabled when data starts to download from API and turn ... .') ); } Thank you. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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typescript - How to add headers to my Angular post request?

For a school project I need to make a simple login page with Angular. When a login button is clicked I need ... and the headers are not added. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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typescript - IE11 Angular 2 error "Expected identifier, string or number"

Well, I have created site using Angular 2. When I run "ng-serve" command and trying to test my site using ... imported core.js in polyfills.ts See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - Class-validator - validate array of objects

I am using class-validator package with NestJS and I am looking to validate an array of objects that need to ... regarding string... (resolved) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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typescript - Handle a 500 response with the fetch api

We have the following call to fetch. this.http.fetch('flasher', { method: 'post', body: jsonPayload }) .then( ... . How do we handle a 500? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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