Recent questions tagged typescript

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typescript - Why can I index by string to get a property value but not to set it?

I was trying to solve this other question's problem which involves iterating through two objects of the same ... where it stopped working). 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 - Inferring nested value types with consideration for intermediate optional keys

I'm trying to define helper types for determining the type of nested object values, whilst also considering any ... - CORRECT! Playground link 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 - get headers from get Http request in Angular

I'm making a call to an API that gets blob data. back end sends to me also file name in header. My ... to find them in the response variable. 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 call child components's method from the parent component in Angular 6

Parent Component import { Component } from '@angular/core'; import { ChildComponent } from './notify.component'; ... same issue. 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 - Difference between angular2/core and @angular/core

Might be very stupid but I have seen several uses of import {Component} from 'angular2/core' and import { ... use one or another. 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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835 views

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typescript - Not able to change anything in Angular2 application when i create it using Angular CLI

Using ng serve the project runs in localhost but after changing the code it does not refresh. Lets say we have ... the problem. Help me out. 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 - Unexpected behaviour using Index type with Union type signature

I have a data structure where one of the keys allows for a dynamic set of values. I know the potential ... express the above in Typescript? 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 wysiwyg tinymce implementation and 2-way-binding

Hi I'm trying to implement tinymce into an angular 2 component for a small forum to create a new thread. I want ... ()">Submit</button> </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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typescript - angular-cli: Conditional Imports using an environment variable

Is there a way to conditionally change imports based on an environment variable in [email protected]? ... Cannot find name 'MyService'. 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 - Detect if data in an Angular form (not reactive) was changed

I have Angular form (not reactive), with data binded in ngModel: <form #form="ngForm"> <input [(ngModel)]= ... binded data has not been changed? 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 2015 Enterprise with ReSharper 10 Ultimate -- Cannot be properly resolved

I have Visual Studio 2015 Enterprise, version 14.0.24720.00 Update 1 as well as ReSharper 10 Ultimate, ... ReSharper or ignoring the warning? 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 - strictFunctionTypes restricts generic type

The problem seems to be specific to how strictFunctionTypes affects generic class type. Here is a class that closely ... class type this way. 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 - Changing the default name of "router-link-active" class by writing a custom directive that adds new class

I would like to use Semantic UI in my Angular2 application. The problem is that I can't find a router setting ... , explain what I did wrong! See Question&Answers more detail:os...

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

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873 views

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typescript - Firebase Function: Unhandled error RangeError: Maximum call stack size exceeded

I have the following callable function that gets some data from my database, then creates a PDF with that data using html-pdf, ... ; }); }); }); See Question&Answers more detail:os...

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

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903 views

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typescript - Child component events broadcast to parent

I'd like to implement the common Angular 1.x pattern of having child directives within a parent directive in Angular ... of its Bars is clicked? See Question&Answers more detail:os...

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

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596 views

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typescript - How to get a json file in Angular 2 using the Http class?

I am trying to get a json file using the Http class in Angular 2. I followed the example on the Angular 2 ... Zone.run (angular2.dev.js:136) 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 - Can webpack 4 modules be configured as to allow Jasmine to spy on their members?

I've been unable to get my test jasmine test suite running with webpack 4. After upgrading webpack, I get the following ... webpack": "^2.0.13", 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 - RxJs get value from observable

In component : singleEvent$: Observable<Event>; On init, I get observable this.singleEvent$ = this._eventService.events$ ... like event.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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typescript - How to make Angular 2 send all requests as application/x-www-form-urlencoded

I have had a similar problem with Angular 1 so I understand how to implement, only I'm missing the last step. ... /auth/login', urlEncode(data)) 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 - Passing a component as an 'argument' to another component in Angular 2

I am new to web development and I have just started building an Angular 2 app. At this point I am trying ... ? Thank you for your time. See Question&Answers more detail:os...

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

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760 views

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typescript - What is the difference between fakeAsync and async in Angular testing?

I know that tick() function utilizes fakeAsync(). And also I can use fixture.whenStable().then() with async() ... or Stub in both the scenarios. See Question&Answers more detail:os...

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

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686 views

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typescript - How to implement behavior subject using service in Angular 8

I'm new to Angular and I'm having an issue. I'm creating an app with several sibling components. When I ... this.coachProfile.unsubscribe(); } } See Question&Answers more detail:os...

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

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800 views

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typescript - Get array of string literal type values

I need to get a full list of all possible values for a string literal. type YesNo = "Yes" | "No"; let ... Is there any way of achiving 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 - Is there a way to use --esModuleInterop in tsconfig as opposed to it being a flag?

Typescript v 2.7 released really neat flag called --esModuleInterop https://www.typescriptlang.org/docs/handbook/ ... my tsconfig if 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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999 views

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typescript - Generic Type Inference with Class Argument

I'm having an issue which defining a generic type based on a type I've passed in. I have a piece of code ... Thanks for any help you can give. See Question&Answers more detail:os...

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

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1.1k views

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typescript - Angular use modal dialog in canDeactivate Guard service for unsubmitted changes (Form dirty)

In my Angular 4 application I have some components with a form, like this: export class MyComponent implements ... using a modal instead? See Question&Answers more detail:os...

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

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840 views

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typescript - Extending third party module that is globally exposed

I am trying to add a custom matcher to Jest in Typescript. This works fine, but I can't get Typescript ... being extended by multiple parties. 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 implement a debounce time in keyup event in Angular 6

I create an Angular app that search students from API. It works fine but it calls API every time an input ... to implement this ? Thank 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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