Composing Closures and Callbacks in JavaScript

What Is a Closure in JavaScript

What Is a Callback in JavaScript

Can a Function Be a Closure and a Callback?

Compose Closures and Callbacks to Create New Functions

Defining the Broadcaster and Listener Relationship

Time is a Hidden Variable in JavaScript

Solve Callback Hell with Composition

Passing Values Through Callback Hell

Create a Function to Configure setTimeout

Return a Function to Cancel an Async Behavior

Wrap addEventListener in a Function for More Control

Create a Utility Function to Control setInterval

Combine Multiple Async Behaviors with a Merge Function

Use Lodash Curry When Functions Return Functions

Match Function Requirements with Lodash Partial and Flip

Create a Buffer to Pair Values Together with Zip

Pass an Array to a Callback with a forOf Function

Pass a Done Symbol when an Async Function is Done

Create an Operator Function to Modify Behaviors

Transform Values with a Map Operator

Prevent Certain Values with a Filter Operator

Use Pipe to Clean Up Functions Wrapping Functions

Start With the API You Want Then Implement

Define a Function to Set Common Behaviors in Operators

Use Buffers to Store Values Until a Condition is Met

Building a Counter UI by Composing Callbacks

Building a Timer UI by Composing Callbacks

Building a Word Matching Game by Composing Callbacks

Create a Win Condition with a mapDone Operator

Repeat a Broadcaster that Is Done

Repeat When Done with a Repeat Operator

Comparing Repeat to Start

Marking Done Based on a Condition

Create a Sequence of Broadcasters

Map a Sequence Based on Values

Adding React to a Vanilla Parcel Project

Create a Broadcaster in React with useState and useEffect Hooks

Create a Custom useBroadcaster Hook

Pass a Listener to a useCallback Hook

Create a Custom useListener Hook Around useCallback

Explaining the useListener Code

Map a Sequence of Values in React with useBroadcaster

Handling an Enter Keypress with useListener and React

Map a Sequence Based on Input Text in React

Creating a Debounce Operator to Limit Listener Calls

Wrap Fetch in a Broadcaster in React

Cancel a Fetch Request with a Broadcaster and React

Map an Error to a Broadcaster Value in React

Build a Live Search Box with useBroadcaster and useListener in React

Fixing Bugs in Our Live Search Box

Create an ifElse Operator to Fork on a Condition

Merge Multiple useListener Hooks in React

Compare useBroadcaster and useListener to the Standard React Hooks

Remember to Check for Done

Save Network Requests by Using a Cache

Fix Race Conditions Due to Caching and Canceling

Share the Same Broadcaster Values Across Multiple Listeners

Limit to a Single Shared Broadcaster Each New Event

Combine Two Broadcasters to Compare Values

Compose Operators to Implement Game Logic

Fetch New Data Based on Conditions

Create an Initialize Operator to Clear an Input Field

Combine Broadcasters in Logical Order

Refactor Game State to a Single Repeating Broadcaster

Check Broadcasters Are Properly Cancelled in Operators

Organizing Operators and Cleaning Up

Walkthrough the Data Flow of the Word Game

Exploring the Patterns in the Operators

Comparing Similarities with Popular Async Libraries