Part 1 Angular Tutorial | Angular setup and Introduction | Angular flow | Create new angular project
Angular setup and Introduction
Angular is a component-based framework for building scalable web applications.
Angular is open source framework. Using Angular we can develop the single page application (SPA).
Using Angular we can develop response web pages.
Angular uses the typescript
It provides the tools to help you develop, build, test, and update your code
We are using the Angular 14
Angular Introduction
Before installing the node or angular version, check the below page for correct node versions.
https://gist.github.com/LayZeeDK/c822...
Setup:-
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1. Node installation (14.17)
https://nodejs.org/en/download/
How to check the node version?
node -v
How to check the npm version?
npm -v
2. Angular cli installation
https://angular.io/cli
npm install -g @angular/cli
How to check the angular version?
ng version
Run this command admin windows powershell
Set-ExecutionPolicy -Scope CurrentUser -ExecutionPolicy RemoteSigned
3. Create a new project using angular cli
ng new projectname
ng new payroll
4. Run the project using the angular command.
ng serve --open
Run the project using the angular command.
npm start
Note:- When we run the npm start, it will go to the package.json and get the scripts value then it will execute the "start" value property.
Commands used in the project
1. npm install
To install the all dependency libraries. It will create the node_modules folder.
2. ng serve
To start the project
3. npm start
TO start project this command can be used. npm start internally runs the "ng server" command.
4. ng build
To build the application.
eg: To build the app in production mode.
ng build my-app -c production
Note:- If project is failing to run the application because of typescript error then change the typescript version in package.json to '4.4.2'
What is npm?
Node package manager
It is open source library management site.
all node package are available there.
Each library is called as a package.
How will run angular app in a new port?
ng serve --port 4201
Angular cli Commands
1. Generate the component
ng generate component my-component
ng g c my-component
2. Generate the class
ng generate class
3. Generate directive
ng generate directive
4. Generate enum
ng generate enum
5. Generate guard/canActivate
ng generate guard
6. Generate interceptor
ng generate interceptor
7. Generate interface
ng generate interface
8. Generate module
ng generate module
9. Generate pipe
ng generate pipe
10. Generate resolver
ng generate resolver
11. Generate service
ng generate service
12. Add any libraries using the ng command instead of npm install
ng add @angular/pwa
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