Also, you will have to declare a mixin method somewhere in your code which will do all the heavy-lifting. You can do it using Typescript mixins. You can place the same anywhere in your code. inherit two component in angular with different constructor, https://www.stevefenton.co.uk/2014/02/TypeScript-Mixins-Part-One/, How APIs can take the pain out of legacy system headaches (Ep. Asking for help, clarification, or responding to other answers. Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. 
Do weekend days count as part of a vacation? Laymen's description of "modals" to clients. The only downside with mixins is that you will have to define all the used base class methods in the child class. Making statements based on opinion; back them up with references or personal experience. ]. PFB the snippet for your ChildComponent. Story: man purchases plantation on planet, finds 'unstoppable' infestation, uses science, electrolyses water for oxygen, 1970s-1980s. Because one alternate way can be to create 2 different parent classes and instantiate both of them within child component. not as a class! Error when trying to inject a service into an angular component "EXCEPTION: Can't resolve all parameters for component", why? You should look for another way to reuse your code, as Jose Guzman just said. Is there a PRNG that visits every number exactly once, in a non-trivial bitspace, without repetition, without large memory usage, before it cycles? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. May I know what do you want to achieve by doing this? Scientific writing: attributing actions to inanimate objects. When adding a new disk to Raid1 why does it sync unused space? So if you can avoid that, better. I would suggest a different approach. Cannot Get Optimal Solution with 16 nodes of VRP with Time Windows, Estimation of the attenuation of two waves on a linear sensor array. Basically, You are adding all Base class attributes to Child Class. I would like to make a component that inherit from my class, AND my other component, I would like that my child extends booth, so that I am able to do, the compiler give no error, but my component methods are not inherited. In the twin paradox or twins paradox what do the clocks of the twin and the distant star he visits show when he's at the star? rev2022.7.21.42639. (Preferrably the app.module to have global access). 465), Design patterns for asynchronous API communication. I just wanted to give a notice that, multiple inheritance brings in too much code complexity, as you already know there are also other ways that do not violate DRY. REFERENCE - https://www.stevefenton.co.uk/2014/02/TypeScript-Mixins-Part-One/. But this approach is far from perfect, since it adds a lot of boilerplate and complexity to the code that you may not need. Trending is based off of the highest score sort and falls back to it if no posts are trending. What drives the appeal and nostalgia of Margaret Thatcher within UK Conservative Party? I have added the mixin method in your ChildComponent itself. How should we do boxplots with small samples? Connect and share knowledge within a single location that is structured and easy to search. Basically, I hate repeated code, here a explanation similar to why I want to do this : I managed to do this with typescript only, I am trying to find a way with angular component and default class. Then extend your parent component as usual: ChildComponent extend MyCom1Component and inject your MyClass1 using the constructor of ChildComponent Said that, I have forked your stackblitz project adding this solution mentioned. You can now choose to sort by Trending, which boosts votes that have happened recently, helping to surface more up-to-date answers. Is the fact that ZFC implies that 1+1=2 an absolute truth? Blamed in front of coworkers for "skipping hierarchy". What are the "disks" seen on the walls of some NASA space shuttles? Announcing the Stacks Editor Beta release! Thanks for contributing an answer to Stack Overflow! I have an angular 7 app with 1 component, a service and a generic class. What purpose are these openings on the roof? MyCom1Component acts as a variable name! Make the class available to DI by annotating it with @Injectable. In resume, what you have to do with this approach, is separate the class logic in the respective mixins, like: After that, you can compose the ChildComponent like this: PD: See the stackblitz example, since in this code posted there is missing some of the boilerplate and typings needed to achieve it correctly. To learn more, see our tips on writing great answers. You can extend only one class in angular, although you can implement multiple interfaces.
Maybe creating Services. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. Unexpected value 'AnyComponent' declared by the module 'AppModule', How to get offsetWidth and offsetHeight values after add css class to change them, Angular Material SnackBar and custom ErrorHandler to notify error, Angular HTTP request error: "post valid request". But there is a way you can do multiple inheritance (only in say) using TypeScript Mixins. [ Note - This is not actual inheritance. Finally call the parent's constructor with the instance of the class you just injected. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. This is not possible in Angular, since you can't extend 2 classes in one class in Javascript, and since a component is a class. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. In your code, you are also trying to do Typescript mixins, but you are never extending the class MyCom1Component, it seems that, but in this code below, Angular doesn't allow Multiple Inheritance. How to explain mathematically 2.4 GHz and 5 GHz WiFi coverage and maximum range? Angular Material does it in its project, you can check it's source code. Find centralized, trusted content and collaborate around the technologies you use most. This is slightly similar to extending 2 class in typescript, but although I managed to do it in typescript, I can't find a correct way in angular.