Chris Cook - DEV Community

Chris Cook for AWS Community Builders

Oct 8 '25

AI SDK Streaming Text from Lambda

#node #typescript #javascript #programming

19

3 min read

Chris Cook for AWS Community Builders

Jul 10 '25

Lambdalet.AI: Reinventing the bookmarklet

#showdev #webdev #javascript #programming

24

5

5 min read

Chris Cook for AWS Community Builders

Jun 17 '25

Flatten Array of Arrays using JSONata for AWS Step Functions

#aws #programming #tutorial #javascript

17

1

2 min read

Chris Cook

Jan 27 '25

TypeScript CLI: Automate Build and Deploy Scripts

#typescript #javascript #webdev #programming

66

6

2 min read

Chris Cook

Jan 15 '25

Unique Symbols: How to Use Symbols for Type Safety

#typescript #javascript #programming #webdev

20

3

3 min read

Chris Cook for AWS Community Builders

Dec 18 '24

Buffer Logs and Flush Automatically on Error with Powertools for Lambda

#javascript #typescript #webdev #programming

21

1

4 min read

Chris Cook

Dec 14 '24

How To Remove Dynamic Values From Snapshot With Serializers

#javascript #typescript #testing #webdev

10

2 min read

Chris Cook

Dec 1 '24

Creating a TypeScript CLI for Your Monorepo

#typescript #javascript #webdev #programming

77

13

1 min read

Chris Cook for AWS Community Builders

Aug 20 '24

Middleware for Step Functions: Automatically Store and Load Payloads from Amazon S3

#webdev #javascript #typescript #programming

24

4

11 min read

Chris Cook

Jul 30 '24

What's a Valuable Skill You Should Have?

#discuss #watercooler #programming #productivity

3

5

1 min read

Chris Cook for AWS Community Builders

Jul 29 '24

Collect Logs and Metrics from non-AWS Server using CloudWatch Agent

#aws #devops #productivity #tutorial

12

10 min read

Chris Cook

Jul 27 '24

Optional vs. Undefined: How To Check for Optional Properties

#typescript #webdev #tutorial #javascript

13

2 min read

Chris Cook

Jul 23 '24

Highlights: Extract Highlighted Text from Images using OCR and CV in your Browser

#showdev #webdev #javascript #typescript

15

2 min read

Chris Cook for AWS Community Builders

Jun 20 '24

The Fastest Way to Download from Amazon S3 (using Raycast)

#aws #productivity #webdev #programming

11

1

3 min read

Chris Cook

May 24 '24

Excluding Dependencies: Bundling for Node and the Browser

#node #webdev #javascript #vite

7

2 min read

Chris Cook

May 21 '24

The Puppeteer Language Experiment

#webdev #javascript #typescript #productivity

5

5 min read

Chris Cook for AWS Community Builders

Mar 27 '24

A Simple Way to Sign AWS Requests with Signature V4

#aws #javascript #typescript #webdev

19

2

3 min read

Chris Cook for AWS Community Builders

Mar 10 '24

Format and Parse Amazon S3 URL

#webdev #javascript #typescript #programming

11

1

5 min read

Chris Cook for AWS Community Builders

Jan 29 '24

Solving the Puzzle: Lambda Function URLs with IAM Authorization and CloudFront Custom Domains

#aws #webdev #tutorial #programming

16

3

5 min read

Chris Cook

Jan 9 '24

TypeScript: The Unexpected Magic of Generics

#typescript #javascript #webdev #programming

6

2

3 min read

Chris Cook for AWS Community Builders

Oct 3 '23

Websites with AWS: Hosting with Private S3 Bucket

#webdev #tutorial #frontend #aws

28

4

6 min read

Chris Cook for AWS Community Builders

Sep 25 '23

Running on Lambda: Serverless Reader View with Chrome and Readability

#webdev #javascript #aws #react

22

5

6 min read

Chris Cook for AWS Community Builders

Sep 11 '23

Websites with AWS: Single Page Applications

#webdev #tutorial #frontend #aws

45

13

4 min read

Chris Cook

Aug 21 '23

Serverless Plugin: Exporting Environment Variables and Stack Outputs

#showdev #serverless #aws #productivity

12

1

3 min read

Chris Cook for AWS Community Builders

Aug 16 '23

Websites with AWS: Hosting, HTTPS and Custom Domain

#aws #webdev #frontend #tutorial

29

3

9 min read

Chris Cook

Jul 28 '23

Assertions: How to Assert Conditions and Types

#typescript #javascript #node #tutorial

31

1

3 min read

Chris Cook

Jun 28 '23

How To Spy on Classes

#javascript #testing #tutorial #webdev

30

3

2 min read

Chris Cook

Jun 25 '23

Extracting Class Methods: How To Derive an Interface From a Class

#typescript #javascript #tutorial #testing

24

1

3 min read

Chris Cook

Jun 14 '23

Template Literal Types: How To Type Strings

#typescript #tutorial #webdev #beginners

19

3

2 min read

Chris Cook

Jun 2 '23

Stringify and Parse Errors in JavaScript

#javascript #webdev #tutorial #typescript

27

2

2 min read

Chris Cook

May 15 '23

How To Use expect.objectContaining With Null and Undefined

#javascript #testing #tutorial #node

16

2 min read

Chris Cook

May 5 '23

AdaGPT: My Learnings While Building a GitHub Action

#githubhack23 #github #typescript #javascript

18

1

5 min read

Chris Cook

May 2 '23

AdaGPT: AI support for Issues and Pull Requests right at your fingertips!

#githubhack23 #github #openai #opensource

34

7

2 min read

Chris Cook

Apr 24 '23

How To Debug a Single Test Case

#testing #javascript #typescript #vscode

14

2 min read

Chris Cook

Apr 19 '23

Type Negation: How to Forbid Certain Properties

#typescript #tutorial #javascript #webdev

19

4

3 min read

Chris Cook

Apr 11 '23

Understanding ID Token vs. Access Token in AWS Amplify

#aws #amplify #javascript #webdev

18

6

3 min read

Chris Cook

Mar 21 '23

Type Inference: How to Use Conditional Types and Generics

#typescript #tutorial #webdev #javascript

22

3 min read

Chris Cook

Mar 16 '23

Conditional Return Types: How to Return the Right Type

#typescript #tutorial #javascript #programming

45

16

2 min read

Chris Cook

Mar 1 '23

Convert HTML To Notion Blocks

#resources #showcase

18

3

4 min read

Chris Cook

Feb 24 '23

How To Mock Only One Function From Module

#watercooler #memes

2

2 min read

Chris Cook

Feb 23 '23

Read All Files of Directory and Subdirectories with Recursive Generators in JavaScript

#node #javascript #typescript #tutorial

18

5

2 min read

Chris Cook

Feb 20 '23

Trigger GitHub Workflow for Comments on Pull Request

#watercooler #devmeme

30

10

5 min read

Chris Cook

Feb 3 '23

Symmetric Difference of Arrays in JavaScript

#offers #crypto #blockchain #web3

5

1

2 min read

Chris Cook

Jan 11 '23

Function Overloading: How to Handle Multiple Function Signatures

#emptystring

22

9

2 min read

Chris Cook

Dec 12 '22

Automatically Transcribe YouTube Videos with OpenAI Whisper

#css #react #webdev

42

2

3 min read

Chris Cook

Dec 7 '22

Match Nodes with One or More Labels

#watercooler

3

2 min read

Chris Cook

Nov 29 '22

New Version of git-pull-run

2

2 min read

Chris Cook

Nov 7 '22

How To Iterate Over C String

#c #beginners #tutorial #programming

26

2

2 min read

Chris Cook

Nov 4 '22

Array Filter: How to Filter Values With Correct Types

#typescript #programming #tutorial #javascript

23

1

1 min read

Chris Cook

Oct 19 '22

How To Run and Debug JavaScript and TypeScript in VSCode

#vscode #javascript #typescript #testing

25

7

3 min read

Chris Cook

Sep 20 '22

Release NPM Package With Automatic Versioning

#npm #node #devops #javascript

11

3

2 min read

Chris Cook

Sep 19 '22

Print Number Pattern Using Loops

#discuss #programming #career #algorithms

5

2 min read

Chris Cook

Jul 7 '22

AWS Service Principals for IAM

#aws #security #serverless

16

2

1 min read

Chris Cook

Jun 2 '22

React useState with History

#discuss #react #javascript #typescript

30

1

2 min read

Chris Cook

May 22 '22

Do you know about the Maker's Schedule?

11

1 min read

Chris Cook

May 18 '22

How To Implement Custom Matchers

#javascript #testing #typescript #react

18

3

5 min read

Chris Cook

May 15 '22

How To Debug Any React App in Seconds

#javascript #react #vscode #webdev

13

1 min read

Chris Cook

May 11 '22

EventBridge Rules to Invoke Lambda and StepFunction

#aws #cloud #serverless #tutorial

18

3 min read

Chris Cook

May 8 '22

Should Technical Managers Be Able To Code?

#discuss #programming #career #elon

20

27

1 min read

Chris Cook

May 6 '22

Switch-cased Error Handling in JavaScript

#discuss #javascript #node #opensource

24

2

1 min read

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