In the preceding section, our current user data was essentially synchronous, so there wasn't an opportunity to observe any asynchronous behavior between the service and component. Services can be very useful for resolving asynchronous dependencies in Angular through the use of promises.
- Preface
- Working with Angular 4
- Introduction
- Upgrading to Angular 4 using NPM
- Generating a new Angular project using Angular-CLI
- Configuring Angular-CLI project settings
- Working with generators in Angular-CLI
- Ejecting Angular-CLI from your project
- Generating new routes in Angular-CLI
- Defining a home page in your Angular routes
- Handling 404 errors in an Angular project
- Creating nesting routes in Angular
- Creating sibling routes in Angular
- Programmatic page redirection in Angular
- Route preloading with Angular modules
- Running tests in Angular-CLI
- Enhancing Your User Interface
- Introduction
- Configuring Sass in Angular
- Working with Angular component styles
- Using Sass variables for style reusability
- Using Sass nesting for better style specificity
- Using Sass partials for style organization
- Working with Bootstrap in Sass
- Customizing Bootstrap for Angular
- Using Bootstrap Responsive layouts
- Working with Bootstrap components in Angular
- Working with Font-Awesome icons in Angular
- Internationalization with Angular i18n
- Setting your language with Angular i18n
- How to Localize dates in Angular
- Working with Data
- Introduction
- Working with actions and events in Angular
- Working with form input and models in Angular
- Validating data with Angular form properties
- Creating services for data in Angular
- Using promises to create asynchronous services in Angular
- Retrieving API data using HTTP services in Angular
- Querying API sources using HTTP services in Angular
- Creating Concurrent API requests in Angular
- Handling API errors and invalid responses in Angular
- HTTP service optimization through client-side caching
- Using Express Web Server
- Introduction
- Creating a new Express project with express-generator
- Working with routes in Express
- Serving an Angular web application with Express
- Working with headers in Express
- Working with cookies in Express
- Creating Express middleware for routes
- Logging traffic and activity with Morgan
- Running your Express web server with Forever
- Securing your Express web server
- REST APIs and Authentication
- Cloud Service Integrations
- MongoDB and Mongoose
- Relationships
- Build Systems and Optimizations
- Debugging
- Automated Testing
- Whats new in Angular 4
Using promises to create asynchronous services in Angular
-
No Comment
..................Content has been hidden....................
You can't read the all page of ebook, please click here login for view all page.