Recent questions tagged typescript

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typescript - Accessing a property in a parent Component

I have a property in a top level Component that is used data from a HTTP source like so (this is in a ... to access the parent in Angular 2? See Question&Answers more detail:os...

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

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857 views

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typescript - Angular: How to download a file from HttpClient?

I need download an excel from my backend, its returned a file. When I do the request I get the error: ... application/ms-excel What's 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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typescript - How to Unwrap Type of a Promise

Say I have the following code: async promiseOne() { return 1 } // => Promise<number> const promisedOne = promiseOne ... ) as it's own type? 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 Automatic Imports

I'm in the process of making the move from Webstorm to Visual Studio Code. The Performance in Webstorm is ... vscode to be more helpful?? 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 - Avoiding relative paths in Angular CLI

I'm using the latest Angular CLI, and I've created a custom components folder which is a collection of all ... for webpack using Angular CLI? See Question&Answers more detail:os...

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

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854 views

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typescript - How to use bootstrap 4 in angular 2?

I'm building an angular 2 app written in typescript. It would use the bootstrap 4 framework in combination with ... also using sass for styling? See Question&Answers more detail:os...

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

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709 views

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typescript - Angular 4+ using Google Analytics

I'm trying to use the Google Analytics with angular 4, but i can't find any @type to ga.js in ts. For a ... { this.ga.sendPageView('/join'); } 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 generate components in a specific folder with Angular CLI?

I am using Angular 4 with Angular CLI and I am able to create a new component with the following command. E: ... to do it with Angular CLI? 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 can I define an array of objects?

I am creating an array of objects in TypeScript: userTestStatus xxxx = { "0": { "id": 0, "name": ... like userTestStatus[3].nammme by mistake. 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 - Hide .js.map files in Visual Studio Code

I am working on a typescript project in Visual Studio code and would like to hide the .js.map (and maybe even ... ts files in the file explorer? 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 - Extend (Update) third-party old type declaration interface with new one

My problem is that I'm using an old type declaration package (@types/expo). So that's why I need to update some ... "types": [ "typePatches" ] } See Question&Answers more detail:os...

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

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884 views

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typescript - Recording the web page by using Record RTC with Angular

I want do recording the particular part in the page as video with audio . For example when user enter the ... /angular-record-rtc-demo-si2c8x See Question&Answers more detail:os...

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

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910 views

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typescript - Enforce that an array is exhaustive over a union type

Given a strongly-typed tuple created using a technique such as described here: const tuple = <T extends string[]>(.. ... ', 'table', 'lamp') See Question&Answers more detail:os...

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

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810 views

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typescript - Angular 2 Basic Authentication not working

I'm trying to connect/ do a POST request to an API with Angular2, It's a very simple API with a Basic ... ;q=0.6 Hope someone can 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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853 views

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typescript - Angular 2 Dynamically insert a component into a specific DOM node without using ViewContainerRef

I have a question regarding dynamic component creation in Angular 2 rc5. So let's assume that we have two plain ... </div> </div> 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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999 views

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typescript - Exclude/overwrite npm-provided typings

I've got an npm package with badly written, out of date typings. I've written my own typings and now I'm ... even if you exclude that folder. See Question&Answers more detail:os...

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

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967 views

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typescript - Angular 2/4 component with dynamic template or templateUrl

I have been trying to find a solution for this everywhere. I have a project with different 'skins', ... .createComponent(componentFactory); } } 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 - Keyof inferring string | number when key is only a string

I define an AbstractModel like so: export interface AbstractModel { [key: string]: any } Then I declare the type ... or am I missing something? See Question&Answers more detail:os...

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

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861 views

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typescript - What is target in tsconfig.json for?

What does target in tsconfig.json signify? { "compilerOptions": { "sourceMap": true, "target": "es5", "module": " ... "dom", "es2017" ] } } See Question&Answers more detail:os...

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

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664 views

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typescript - What exactly $event object do in Angular 2?

I am bit confused what exactly $event doing here and what is the difference between this two examples <button (click)= ... clicked(event) { } } 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 - 'Cannot redeclare block-scoped variable' in unrelated files

There is a simple TS package that is used as CommonJS modules and has no exports. TS files are compiled to ... output from these two TS files? See Question&Answers more detail:os...

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

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937 views

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typescript - Angular Material: mat-select not selecting default

I have a mat-select where the options are all objects defined in an array. I am trying to set the value to ... material version 2.0.0-beta.10 See Question&Answers more detail:os...

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

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675 views

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typescript - Obtaining the return type of a function

I have the following function: function test(): number { return 42; } I can obtain the type of the function by ... instead of () => number. 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 2 2.0.0-rc.1 Property 'map' does not exist on type 'Observable<Response>' not the same as issue report

while this looks like same issue as Angular 2 beta.17: Property 'map' does not exist on type 'Observable<Response>' this ... server": "^0.9.0" } See Question&Answers more detail:os...

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

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843 views

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typescript - Angular 4/5/6 Global Variables

I really struggle with creating global variables in my Angular 2 application. So I have my file called globals. ... use the providers feature. See Question&Answers more detail:os...

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

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917 views

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typescript - How excess property check helps?

For the below code, interface SquareConfig{ color?: string; width?: number; } interface Square{ color: string; ... check, in second case? See Question&Answers more detail:os...

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

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624 views

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typescript - Make overProp<Obj> function interface with one param

I want to make a function overProp that would work the following way: type Obj = {a: string, b: number} const ... the latest TS version (3.5). See Question&Answers more detail:os...

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

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777 views

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typescript template literal as interface key

Lets say that I want to create a object contain multiple items in typescript as below: const obj: Items = { ... to declare a type like 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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