Recent questions tagged typescript

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typescript - Angular 4 : How to use await/async within subscribe

I can honestly say await/async in angular is really a great stuff, it reduces a lot of braces, improves readability ... thank you 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 check for changes in form in Angular 2 using

I have a form with few data fields and two buttons.I want to enable the buttons only if the user makes some changes ... ) { this.loadForm(); } } 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 - Why does the && operator produce the type of the second operand

The TypeScript specification states in §4.15.6 about the && operator: The && operator permits the operands to be of ... is no best common type? 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 6 - httpClient passing basic auth in httpOptions

I have a service in Angular 6 and I'm trying to change a record but it's saying I'm not authorized. ... add it direct to the update method? 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 - Observable<{}> not assignable to type Observable<SomeType[]>

I'm learning Angular2 and Typescript. I'm working through the Heroes tutorial on angular.io, but applying it to a project I ... .js": "^0.6.12" 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 - Correct way of importing and using lodash in Angular

I used to be able to use a lodash method in Angular by an import statement that looked like the following: import { ... -cli: 1.0.0-beta.26 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 6 / 7 "the result of a dependency is an expression"

I'm trying to create an Angular 6 library and use it in an Angular 6 app. I've boiled it down to a minimal ... " mean? What am I doing wrong? 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 - When is it appropriate to use a semicolon?

I know that JavaScript (and thus TypeScript) support the omission of semicolons in many cases. Nevertheless I ... exactly to put semicolon. 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 does Angular handle XSS or CSRF?

How does Angular (2) handle XSS and CSRF. Does it even handle these attacks? If so, what do I have to do to ... this (or I just missed it). 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 can I set focus to another input?

I need to be able to switch focus to an input element when some event occurs. How do I do that in Angular 2? ... meant for them or not. Thanks! 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 mock Angular 4.3 httpClient an error response in testing

I have a below interceptor auth-interceptor.service.ts import {Injectable, Injector} from '@angular/core'; ... or suggestion is appreciated. 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 - Redirect to an external URL and open in a new tab

I'm trying to Open a new page when user clicks on a link. I can't use Angular 2 Router, because it ... tab? when using window.location.href ? 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 - Setting up tsconfig with spec/test folder

Say I put my code under src and tests under spec: + spec + --- classA.spec.ts + src + --- classA.ts ... folder. How do 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 - How do you POST a FormData object in Angular 2?

I need to upload a file and send some json along with it, I have this function: POST_formData(url, data) ... do you send FormData with angular2? 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 - why should we use subscribe() over map() in Angular?

I am trying to take advantage of observables in angular2 and got confused on why should i use map() over subscribe(). ... 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 - What does the type { [key: string]: boolean; } mean?

Run into such thing lately, a function declaration: static required(control: AbstractControl): { [key: string]: ... Angular's Validators class. 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 - Understanding "target" and "module" in tsconfig

Below is my tsconfig.json file where I have set target to es5 and module to es6 { "compilerOptions": { "target": ... es5 , how is it possible ? 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 - replace history instead of pushing

How to replace a history instead a pushing a new in angular 2's new router (rc.1)? For example Im ... the /questions instead of /questions/add 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 9 - NGCC fails with an unhandled exception

Buidling the application after having upgraded dependcies to Angular 9 (and having performed necessary code changes) ... occurred: NGCC failed. 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 - Diff between ViewEncapsulation.Native, ViewEncapsulation.None and ViewEncapsulation.Emulated

Can some one explain what's the difference between ViewEncapsulation.Native, ViewEncapsulation.None and ViewEncapsulation. ... MyComp { } 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 - base 64 encode and decode a string in angular (2+)

How to encode or decode a string in angular 2 with base64 ??? My front-end tool is Angular 2. I had ... /Typescript and some options. Thanks!!! 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' implicitly has type 'any' because it does not have a type annotation

When I enable noImplicitThis in tsconfig.json, I get this error for the following code: 'this' implicitly has ... a type annotation for 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 - How to run the Dist Folder on Local Machine in Angular 6+?

I am building the application in Angular6+, now I ran the command ng build --prod which gave me a dist ... or serve that folder on Localhost? 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 reload route on param change

I am currently writing my first Angular 2 Application. I have an OverviewComponent which has the following ... of the DetailComponent? 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 - If '<selector>' is an Angular component, then verify that it is part of this module

I am new in Angular2. I have tried to create a component but showing an error. This is the app.component ... suppress this message. Please 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 - Visual Studio Code compile on save

How can I configure Visual Studio Code to compile typescript files on save? I see it is possible to configure a ... done when a file is saved. 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 - Failed to compile : ./node_modules/macaddress/lib/windows.js in Angular 5

I am new to Angular 5 ,as per my business need I need to get the user machine's mac address.For that I ... 158535 got this in console. Update : See Question&Answers more detail:os...

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

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832 views

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typescript - Azure pipeline custom task with an unknown number of inputs

I am creating a custom task for Azure pipeline using TypeScript. I have defined a filePath input: { "name": ... the filePath input gives you? See Question&Answers more detail:os...

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

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