Hands-On Functional Programming with TypeScript: Explore functional and reactive programming to create robust and testable TypeScript applicatons

Title Page
Copyright and Credits
	Hands-On Functional Programming with TypeScript
Dedication
About Packt
	Why subscribe?
	Packt.com
Foreword
Contributors
	About the author
	About the reviewers
	Packt is searching for authors like you
Preface
	Who this book is for
	What this book covers
	To get the most out of this book
		Download the example code files
		Download the color images
		Conventions used
	Get in touch
		Reviews
Functional Programming Fundamentals
	Is TypeScript a functional programming language?
	The benefits of functional programming
	Introducing functional programming
	Pure functions
	side-effects
	Referential transparency
	Stateless versus stateful
	Declarative versus imperative programming
	Immutability
	Functions as first-class citizens
	Lambda expressions
	Function arity
	Higher-order functions
	Laziness
	Summary
Mastering Functions
	Function types
		Named and anonymous functions
		Function declarations and function expressions
	Working with function parameters
		Trailing commas in function arguments
		Functions with optional parameters
		Functions with default parameters
		Functions with rest parameters
		Function overloading
		Specialized overloading signature
	Function scope and hoisting
	Immediately-invoked functions
	Tag functions and tagged templates
	Summary
Mastering Asynchronous Programming
	Callbacks and higher-order functions
		Arrow functions
	Callback hell
		Promises
		Covariant checking in callback parameters
	Generators
	Asynchronous functions – async and await
		Asynchronous generators
		Asynchronous iteration (for await…of)
		Delegating to another generator (yield*)
	Summary
The Runtime – The Event Loop and the this Operator
	The environment
	Understanding the event loop
		Frames
		Stack
		Queue
		Heap
		The event loop
	The this operator
		The this operator in the global context
		The this operator in the function context
		The call, apply, and bind methods
	Summary
The Runtime – Closures and Prototypes
	Prototypes
		Instance properties versus class properties
		Prototypal inheritance
		Prototype chains and property shadowing
		Accessing the prototype of an object
	Closures
		Static variables powered by closures
		Private members powered by closures
	Summary
Functional Programming Techniques
	Composition techniques
		Composition
		Partial application
		Currying
		strictBindCallApply
		Pipes
	Other techniques
		Point-free style
		Recursion
		Pattern matching
	Summary
Category Theory
	Category theory
	Functors
		Applicative
		Maybe
		Either
		Monads
	Summary
Immutability, Optics, and Laziness
	Immutability
	Optics
		Lenses
		Prisms
	Laziness
	Summary
Functional-Reactive Programming
	Reactive programming
		Functional programming versus functional-reactive programming
		The benefits of functional-reactive programming
	Working with observables
		The observer pattern
		The iterator pattern
		Creating observables
			Creating observables from a value
			Creating observables from arrays
			Creating observables from events
			Creating observables from callbacks
			Creating observables from promises
		Cold and hot observables
	Working with operators
		Pipe
		Max
		Every
		Find
		Filter
		Map
		Reduce
		Throttle
		Merge
		Zip
	Summary
Real-World Functional Programming
	Working with Ramda
		Composition
		Partial application and currying
		Lenses
	Working with Immutable.js
	Working with Immer
	Working with Funfix
	Summary
Functional Programming Learning Road Map
	Beginner
	Advanced beginner
	Intermediate
	Proficient
	Expert
	Summary
Directory of TypeScript Functional Programming Libraries
	Functional programming
	Category theory
	Laziness
	Immutability
	Optics and lenses
	Functional-reactive programming
	Others
	Summary
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