https://github.com/andrewjbateman/angular-components-study
:clipboard: App to study differences between dumb (presentational and portable) components and smart components (that can have logic, trigger change detection and manage data/services).
https://github.com/andrewjbateman/angular-components-study
angular angular13 api change-detection components http-client map observables rxjs rxjs7 trigger-change-detection typescript4
Last synced: 8 months ago
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:clipboard: App to study differences between dumb (presentational and portable) components and smart components (that can have logic, trigger change detection and manage data/services).
- Host: GitHub
- URL: https://github.com/andrewjbateman/angular-components-study
- Owner: AndrewJBateman
- License: mit
- Created: 2018-12-19T10:16:37.000Z (almost 7 years ago)
- Default Branch: master
- Last Pushed: 2023-03-04T03:02:46.000Z (over 2 years ago)
- Last Synced: 2024-12-27T02:45:23.655Z (10 months ago)
- Topics: angular, angular13, api, change-detection, components, http-client, map, observables, rxjs, rxjs7, trigger-change-detection, typescript4
- Language: TypeScript
- Homepage:
- Size: 1.51 MB
- Stars: 0
- Watchers: 2
- Forks: 0
- Open Issues: 13
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# :zap: Angular Tutorial App
* App to study differences between dumb (presentational and portable) components and smart components (that can have logic, trigger change detection and manage data/services).
* Tutorial code from [Digital Fluency](https://www.youtube.com/channel/UCYFd7Qy93YP7gPERnxP545A) but with updates due to updated Angular versions - see [:clap: Inspiration](#clap-inspiration) below
* **Note:** to open web links in a new window use: _ctrl+click on link_
## :page_facing_up: Table of contents
* [:zap: Angular Tutorial App](#zap-angular-tutorial-app)
* [:page_facing_up: Table of contents](#page_facing_up-table-of-contents)
* [:books: General info](#books-general-info)
* [:camera: Screenshots](#camera-screenshots)
* [:signal_strength: Technologies](#signal_strength-technologies)
* [:floppy_disk: Setup](#floppy_disk-setup)
* [:computer: Code Examples](#computer-code-examples)
* [:cool: Features](#cool-features)
* [:clipboard: Status & To-Do List](#clipboard-status--to-do-list)
* [:clap: Inspiration](#clap-inspiration)
* [:file_folder: License](#file_folder-license)
* [:envelope: Contact](#envelope-contact)
## :books: General info
* This app uses the following Angular concepts: components, data & property binding etc.
## :camera: Screenshots
.
## :signal_strength: Technologies
* [Angular v13](https://angular.io/)
* [RxJS Library v7](https://angular.io/guide/rx-library) used to handle datastreams and propagation of change using observables.
* [Angular Augury Chrome Extension](https://chrome.google.com/webstore/detail/augury/elgalmkoelokbchhkhacckoklkejnhcd) used for debugging.
* [Angular ChangeDetectionStrategy](https://angular.io/api/core/ChangeDetectionStrategy).
## :floppy_disk: Setup
* Run `ng serve` for a dev server. Navigate to `http://localhost:4200/`. The app will automatically reload if you change any of the source files.
## :computer: Code Examples
* _view-repos component that gets API repo data from github_
```typescript
import { Component, OnInit } from '@angular/core';
import { Observable } from 'rxjs';
import { HttpClient } from '@angular/common/http'
import { map } from 'rxjs/operators';
@Component({
selector: 'app-view-repos',
templateUrl: './view-repos.component.html',
styleUrls: ['./view-repos.component.css']
})
//smart component - loads API data from the internet,
//the data from this ViewReposComponent is consumed by the 'app-repo-list'
//in the app-repository-view component.
export class ViewReposComponent implements OnInit {
list: Observable
constructor(http: HttpClient) {
const path = 'https://api.github.com/search/repositories?q=angular';
this.list = http.get<{items: any[]}>(path)
.pipe(
map(data => data.items),
);
}
ngOnInit() {
}
}
```
## :cool: Features
* Demonstrates difference between smart and dumb components by whether they can trigger change detection/manage data & services
## :clipboard: Status & To-Do List
* Status: Working.
* To-Do: nothing
## :clap: Inspiration
* [Youtube video by 'Digital Fluency': The Difference Between Smart and Dumb Components](https://www.youtube.com/watch?v=r9vhfsnOb9o)
## :file_folder: License
* This project is licensed under the terms of the MIT license.
## :envelope: Contact
* Repo created by [ABateman](https://github.com/AndrewJBateman), email: gomezbateman@yahoo.com