Recent questions tagged typescript

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typescript - Angular 6 Downloading file from rest api

I have my REST API where I put my pdf file, now I want my angular app to download it on click via ... resultBlob); window.open(downloadURL);}); 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 - Need clarification of the target and lib compiler options

I find I'm confused by the target and lib options and how they interact with the?features supported in the ... being the same thing. 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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typescript - How can I generate a tsconfig.json file?

How can I generate a tsconfig.json via the command line? I tried command tsc init, but this 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 - How can I define an interface for an array of objects?

I have the following interface and code. I thought I was doing the definitions correctly but I am ... ' from type 'IenumServiceGetOrderBy' 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 do I decide whether @types/* goes into `dependencies` or `devDependencies`?

I use TypeScript 2 in my project. I'd like to use some js library, but also typings for that library ... more or less official instructions? 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 Angular builds and runs

Just want to learn how Angular builds and runs behind the scenes? Below is what I understood thus far. Want to ... parts fit together in depth? 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 an object type with nested subproperties be flattened?

I've the next data with the type Data type Data = { Id: string, LogicalName: string, VATRegistered: { ... new object with TransformedData 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 - Checking if a value is valid for a union type

Suppose I have this type defined in my app: type PiiType = 'name' | 'address' | 'email'; I use this ... do with a native type instead first. 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 - getting a type for the values of a string enum

I have a string enumeration that looks like: export enum FMEvents { RECORD_ADDED = "@firemodel/RECORD_ADDED", ... pass the type checking. 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 an option to make spreading an object strict?

I was wondering if there is a compiler option or something similar to make spreading objects strict. Please ... something like this 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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typescript - Angular 2 disable sanitize

I am trying to render base64 string into <img src='data:image/png;base64,${Here}'. But always when I ... class does not exists anymore in RC6 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 - Generic and typeof T in the parameters

In TypeScript I can define the type of a variable as the type of a class. For example: class MyClass { ... } ... is. Any idea how to solve 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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typescript - Angular Material Tab : Prevent tab change of mat-tab-group if the form in current tab is dirty

I was trying to prevent tab change of mat-tab, if the form in currently active tab is dirty. But I ... help if someone encounters the same. 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 change of nested property for component input

In a simplified way I have an Angular2 Component and an input object like this: class MyObject{ Prop1: ... method from inside MyComponent? 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 - Check if object correctly implements interface

Interface: export interface User { id: number; name: string; foo: string; bar: string; } How do ... backend correctly implements User interface? See Question&Answers more detail:os...

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

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952 views

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typescript - Angular2 RouterLink breaks routes by replacing slash with %2F

Since the latest Angular2 version (2.0.0-beta.14) it is possible to have query parameters that contain ... returns the url with slashes. 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 - Type for "every possible string value except ..."

Is it possible to define a type that may have every string-value assigned except a few specified ones? I would like ... = "this" // Should error 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 - Vscode TS language features unavailable when tests/** are not included in the tsconfig

I would like my typescript tests to receive linting, code completion, vscode intellisense (ts language features) ... vscode/issues/new/choose. 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 nested child objects

I have a recursively typed object that I want to get the keys of and any child keys of a certain type. ... to also include the nested types 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 6 - how to mock router.events url response in unit test

As the title indicates, I need to mock router.events in a unit test. In my component, I doing some regex ... urlAfterRedirects: "/" } Thoughts? See Question&Answers more detail:os...

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

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818 views

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typescript - Simple function with conditional type

The following function was largely lifted from the typescript handbook section on using conditional types, yet it ... about conditional types. See Question&Answers more detail:os...

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

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661 views

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typescript - Type intersections using any

From https://github.com/Microsoft/TypeScript/pull/3622: Supertype collapsing: A & B is equivalent to A if B is ... type). Any help appreciated. See Question&Answers more detail:os...

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

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934 views

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typescript - How to create and download text/Json File with dynamic content using angular 2+

here i want to know how can i create a text file or json file and download it with dynamic data which is ... i able to download only empty file See Question&Answers more detail:os...

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

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740 views

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typescript - Angular 2 loader on each http request

What i am trying to do is: I want to use the spinner whenever a http request accurs. In other words i want user ... {this.spinner.stop()}); } } See Question&Answers more detail:os...

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

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751 views

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typescript - How to access global js variable in angular2 component

I have a global js variable defined below (@Url is an ASP.Net MVC html helper it will get converted to a string ... { constructor( ) { } } 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 - Checking validity of string literal union type at runtime?

I have a simple union type of string literals and need to check it's validity because of FFI calls to "normal" ... .isAssignable("D"); // false 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's Http service not exposing map() and other RxJS functions

Does anybody know if there's been any breaking changes to the http between alpha 45 and alpha 48? I've been searching around ... => { }; }); } See Question&Answers more detail:os...

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

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703 views

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typescript - Page transition animations with Angular 2.0 router and component interface promises

In Angular 1.x we can use ngAnimate to detect when we are leaving or entering a particular route. Furthermore ... I really appreciate the 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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