When Ajax started appearing, it was commonly used with callbacks, which themselves could have callbacks of their own, with more callbacks within, which eventually led to coining the term callback hell. As a way out of that impractical programming style, two other styles of working with services and asynchronous calls appeared: promises and async/await—though in truth, the latter also use promises!
- Title Page
- Copyright and Credits
- Dedication
- www.PacktPub.com
- Contributors
- Preface
- Working with JavaScript Development Tools
- Introduction
- Installing Visual Studio Code for development
- Extending Visual Studio Code
- Adding Fira Code font for better editing
- Adding npm for package management
- Doing version control with Git
- Formatting your source code with Prettier
- Documenting your code with JSDoc
- Adding code quality checks with ESLint
- Adding Flow for data types checks
- Using Modern JavaScript Features
- Developing with Node
- Introduction
- Checking Node's setup
- Working with modules
- Using Flow with Node, directly
- Using Flow with Node through preprocessing
- Running your Node code with Nodemon
- Using promises instead of error first callbacks
- Working with streams to process requests
- Compressing files with streams
- Working with a database
- Executing external processes with exec()
- Using spawn() to run a command, and communicating with it
- Using fork() to run Node commands
- Implementing RESTful Services with Node
- Introduction
- Developing a server with Express
- Adding middleware
- Getting request parameters
- Serving static files
- Adding routes
- Implementing secure connections
- Adding security safeguards with Helmet
- Implementing CORS
- Adding authentication with JWT
- Tying it all together – building a REST server
- Testing and Debugging Your Server
- Introduction
- Adding logging with Winston
- Adding HTTP logging with Morgan
- Configuring your server for different environments
- Unit testing your code
- Measuring your test coverage
- Debugging your code
- Testing simple services from the command line
- Testing more complex sequences of calls with Postman
- Documenting and testing your REST API with Swagger
- Developing with React
- Enhancing Your Application
- Introduction
- Adding SASS for separate styling
- Creating StyledComponents for inline styling
- Making your application responsive to screen sizes
- Making your application adaptive for enhanced usability
- Making a global application with internationalization and localization
- Setting up for accessibility (a11y)
- Expanding Your Application
- Debugging Your Application
- Testing Your Application
- Creating Mobile Apps with React Native
- Testing and Debugging Your Mobile App
- Creating a Desktop Application with Electron
- Other Books You May Enjoy
Doing async calls compactly
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