Recent questions tagged Typescript

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typescript - How to set unique template reference variables inside an *ngFor? (Angular)

I have a bunch of input fields in a *ngFor loop. The documentation says that template reference variables should ... and not a duplicate name. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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900 views

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typescript - Getter and Setter of Model object in Angular 4

How can I make getter and setter work in my model class? My goal is to calculate integer value of the selected ... t work. What am I missing? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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921 views

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typescript - Type casting within a template in Angular 2

I'm working on an Angular project (Angular 4.0.0) and I'm having trouble binding a property of an ... correctly I would be very appreciative! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - Angular2 Router - Anyone know how to use canActivate in app.ts so that I can redirect to home page if not logged in

Angular2 Router - Anyone know how to use canActivate in app.ts so that I can redirect to home page if not logged ... get hit. Any idea why? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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733 views

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typescript - How to get around property does not exist on 'Object'

I'm new to Typescript, and not sure how to word this question. I need to access two "possible" properties on ... but Typescript is new to me. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - Augmentations for the global scope can only be directly nested in external modules or ambient module declarations(2669)

I would like to store my NodeJS config in the global scope. I tried to follow this => Extending TypeScript Global ... option do not allow that. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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770 views

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typescript - Angular 2 Date deserialization

I have an Angular 2 application. A service is requests data from an api that returns the results like the ... or work around for this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - How to change angular material datepicker format

This is the format of date I am getting when I am using angular material datepicker....Wed Nov 21 2018 00: ... new to Angular Thanks in advance See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - Property 'values' does not exist on type 'ObjectConstructor'

In the following I am converting an enum in to an array, it seems that I may have something missing in my ... to change in the tsconfig. Help! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - Bind an input with type datetime-local to a Date property in Angular 2

It is possible to bind a component property of Date type to a HTML5 input with type set to datetime-local? In ... /> but binding doesn't work. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - Angular Injectable decorator - Expected 0 arguments but got 1

I am just getting started with the base tutorial for Angular but I face a small compilation issue. I am ... parameter ? Thanks in advance ! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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842 views

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typescript - Angular 4: How to read data from Excel?

I am not able to get data from an Excel sheet in Angular 4. Below is my code sample. HTML code: <input id ... ; console.log(filesData[0]); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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750 views

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typescript - Angular2 - root relative imports

I have a problem with imports in angular2/typescript. I'd like to use imports with some root like 'app/ ... able to recognize these imports.y See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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985 views

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typescript - Angular 2 dynamic template url with string variable?

@Component({ selector: 'bancaComponent', templateUrl: '{{str}}' }) export class BancaComponent implements OnInit { str: ... make it ? Thanks :) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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710 views

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typescript - How to use jQuery with javascript in angular 2

import {Component, ElementRef, OnInit} from 'angular2/core'; declare var jQuery:any; @Component({ selector: ' ... with JavaScript in Angular2? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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879 views

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typescript - ObjectUnsubscribedError when trying to prevent subscribing twice

I have a Service and a component that uses it: PagesService PagesListComponent In the PagesService I have an array of ... a next() is received. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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941 views

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typescript - ngSubmit refreshes the page in Angular 2 form

I am using Angular2 template for creating a form. When i click on button, the pages refreshes. My validations are ... form> </div> </div> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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970 views

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typescript - Merge Two Interfaces

Seeking confirmation or clarification If I have two interfaces. What is the "proper" way to create a merge of those ... yet, it is much cleaner. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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707 views

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typescript - what is the use of Zone.js in Angular 2

Currently am learning Angular 2.0 and i come accross the file Zone.js, and i would like to know what is ... will it make my application better. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.7k views

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typescript - 'Property does not exist on type 'never'

This is similar to #40796374 but that is around types, while I am using interfaces. Given the code below: interface ... log(instance.name); } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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typescript - how to pass data from angular material dialog to parent component?

I'm using angular 6 and I have a button which opens a dialog. in my dialog, I have a form that gets ... Create</button> </mat-dialog-actions> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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typescript - Using an array from Observable Object with ngFor and Async Pipe Angular 2

I am trying to understand how to use Observables in Angular 2. I have this service: import {Injectable ... property 'availabilties' of undefined See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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730 views

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typescript - Passing Input while creating Angular 2 Component dynamically using ComponentResolver

I am able to load a dynamic Angular 2 component using ComponentResolver and ViewContainerRef. However I ... EventEmitter decorated with @Output See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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834 views

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typescript - Add functions to an Enum

Is it possible to add functions to an Enum type in TypeScript? for example: enum Mode { landscape, portrait, / ... wondering if it is possible. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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724 views

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typescript - How to define an interface for objects with dynamic keys?

I have an Object like this that is created by underscore's _.groupBy() method. myObject = { "key" : [{Object ... rather have an own type for it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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881 views

1 answer

typescript - How do you debug Jest Tests?

I can't find any information on debugging my unit tests written with Jest. How do you debug Jest Tests ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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831 views

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typescript - how to change page title in angular2 router

I am trying to change the page title from the router, can this be done? import {RouteConfig} from 'angular2/router'; ... ' } ]) class MyApp {} See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.4k views

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typescript - tsconfig.json: Build:No inputs were found in config file

I have an ASP.NET core project and I'm getting this error when I try to build it: error TS18003: Build ... . Has anyone encountered this before? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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