I have an angular project I am attempting to debug however, it steps into @angular/core and ts-lib when I am going through the debugging process. These are huge files with a lot of steps. Is there a way to skip external code?
I'm updating an old angular repo from angular 4 to angular 11 (currently 10, I'll update it). When working with angular 4 I was using webstorm and I loved his flexibility, toy could f12 to classes and it'll find all css, modules, autocomplete and so on... I moved to vs code but I've been installing thousands of extensions and I'm kinda ok but still I feel that webstorm is a better (but expensive since I live in Latin America) choice to work with Angular...
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Based on this angular documentation -service we can just install Angular Language Extension from VS code and HTML Intellisense should work, in my case I was not getting any Intellisnense in VS code even after this installing this extension: =Angular.ng-template
In My case till now everything looks good, as per -service some latest editors, we don't need to add Angular Language Service Package to package.json, but was not able to find any specific angular version information with above statement.
None of the solutions provided worked for me. After more investigation, I discovered that the project-wide functionality of JavaScript/TypeScript had been disabled due to the large number of JS/TS files in the project. To resolve this problem, it is necessary to exclude all unnecessary files. The following code snippet should be added to tsconfig.json or jsconfig.json file.
I've got a large app only part of which is in Angular with .NET core api on the backend. I'm used to .NET but newish to Angular. I can debug the Angular stuff with VS Code and Chrome which works mostly ok, but am a bit fuzzy on how to step through the backend controllers with VS code.
Angular is a popular web development platform developed and maintained by Google. Angular uses TypeScript as its main programming language. The Visual Studio Code editor supports TypeScript IntelliSense and code navigation out of the box, so you can do Angular development without installing any other extension.
Now expand the src\app folder and select the app.component.ts file. You'll notice that VS Code has syntax highlighting for the various source code elements and, if you put the cursor on a parenthesis, the matching bracket is also selected.
As you hover your mouse over text in the file, you'll see that VS Code gives you information about key items in your source code. Items such as variables, classes and Angular decorators are a few examples where you'll be presented with this information.
VS Code uses the TypeScript language service for code intelligence (IntelliSense) and it has a feature called Automatic Type Acquisition (ATA). ATA pulls down the npm Type Declaration files (*.d.ts) for the npm modules referenced in the package.json.
Press F5 or the green arrow to launch the debugger and open a new browser instance. The source code where the breakpoint is set runs on startup before the debugger was attached so we won't hit the breakpoint until we refresh the web page. Refresh the page and you should hit your breakpoint.
React is a library for building user interfaces and it is more minimal than angular. If you'd like to see an example of React working with VS Code, check out the Using React in VS Code tutorial. It will walk you through creating an React application and configuring the launch.json file for the JavaScript debugger.
The community has also created "Extension Packs" which bundle useful extensions together (for example, a linter, debugger, and snippets) into a single download. To see available Angular extension packs, add the "extension packs" category to your filter (angular @category:"extension packs").
As for your problem from converting the code to use HttpClientModule instead of HttpModule, I would try to follow some of the guides from that time, when everyone was suffering through those same problems:
I have an Angular (CLI version 8.3.8) app running on node.js that I'm building in Visual Studio Code in TypeScript . When I debug, I want the debugger to only step into my TypeScript code. Instead, it always wants to step into the JavaScript code in the various libraries that the app is using.
Is it possible to use Visual Studio Code Debugger to debug an Angular Library that has been linked using npm link? Very specifically I am wondering if I can link the debugger to my library's TypeScript Code (not the built js code).
From the research I have done I believe I understand why this is happening (the app using the library does not have the source, it only has the compiled code within node_modules) however I cannot figure out or find any details on how to debug.
Angular 8 was released on 28 May 2019. Featuring Differential loading for all application code, Dynamic imports for lazy routes, Web workers, TypeScript 3.4 support, and Angular Ivy as an opt-in preview. Angular Ivy opt-in preview includes:[17]
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
In a sense, this is how we learn. We can take all the programming boot camps and courses under the sun, but real learning comes from frustration. Real knowledge and understanding come from hours spent stepping through code in a debugger. Unfortunately for me, this project had taken on new meaning and it was no longer the right context for me to explore and learn.
In this tutorial, you'll build an Angular single-page application (SPA) that signs in users and calls the Microsoft Graph API by using the authorization code flow with PKCE. The SPA you build uses the Microsoft Authentication Library (MSAL) for Angular v2.
MSAL Angular v2 improves on MSAL Angular v1 by supporting the authorization code flow in the browser instead of the implicit grant flow. MSAL Angular v2 does NOT support the implicit flow.
To complete registration, provide the application a name, specify the supported account types, and add a redirect URI. Once registered, the application Overview pane displays the identifiers needed in the application source code.
Run the following commands to create a new Angular project with the name msal-angular-tutorial, install Angular Material component libraries, MSAL Browser, MSAL Angular and generate home and profile components.
Add the MsalBroadcastService to src/app/app.component.ts and subscribe to the inProgress$ observable to check if interaction is complete and an account is signed in before rendering UI. Your code should now look like this:
Add the MsalGuard class as a provider in your application in src/app/app.module.ts, and add the configurations for the MsalGuard. Scopes needed for acquiring tokens later can be provided in the authRequest, and the type of interaction for the Guard can be set to Redirect or Popup. Your code should look like the following:
One of the reasons why companies do not frequently use Angular is the difficulty in porting legacy js/jquery-based code to angular style architecture. Also, each new release can be troublesome to upgrade, and several of them are not backward-compatible.
In this case, that component was a trivial example to demonstrate a concept. But in reality, I find that kind of code in many projects, so let's start from there to talk about Declarative code and why I'm excited for Signals in Angular.
Why don't I like it? Because this component's logic is imperative. This is not a problem with a component this small, but this is not how most components in complex codebases look like.
In pure functional programming, there are no variables, only constants. In JavaScript we can mutate variables, and we don't have to strictly follow FP's guidelines in order to write good code, but it's still a good recommendation in many cases.
This is especially important for me as a consultant: I need to be able to look at some code and immediately understand the logic behind it. Why? Because I cannot afford to understand the whole project, nor can the client! Time is money.
Notice that, since the getter is a function, it's easy to use intermediate variables (noun) and some sparkles of imperative code (which is self-contained and not scattered around the whole component).
Because with Angular's signals, we are forced to communicate that a value is a derived state. And we'll be forced to say that an input should be treated as a signal (if we want it to be!). And writing imperative code, such as the very first example of this article, is pretty much discouraged by the nature of classes in a reactive context. If your code looks bad, you're probably going to hate it, maybe tomorrow, maybe in 3 months.
With React, we have the possibility (which, however, I don't want) to write imperative code. We have a nice and short syntax. But we don't have fine-grained reactivity and Hooks have rules (I think it's fair to say that React's mental model is great until you add hooks, and they're used a lot).
My opinion has been the same for many years: less code is not always objectively better. Classes can be easily understood by any high-school student who has learned OOP. They're easy to reason about if we do it right. So do it right :)
For the rather large Angular codebase I am working on, I would't start integrating a development preview API, and even if they make signals stable, I won't go over hundrets of components until I can reap the the real benefit, which is not there yet: getting rid of zone.js. But zoneless application are in my opinion the most interesting change that is on the Angular roadmap since Ivy. Might also be worth to reevaluate ther angular-elements API when all this comes together. The last time I looked at it, the custom-elements had to bundle so much framework code that they became to bloated for the purpose of reuse outside of an angular app. e24fc04721
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