miguelmota/golang-for-nodejs-developers

★ 4,773GoAudience · developerComplexity · 2/5Setup · easy

Mindmap

mindmap
  root((repo))
    What it does
      Side-by-side examples
      JS to Go mapping
      Runnable code files
    Topics covered
      Variables and types
      Loops and functions
      HTTP servers
      Async and goroutines
    Tech stack
      Go
      Node.js
      JavaScript
    Audience
      Node.js developers
      Go beginners
      Self-learners

mindmap root((repo)) What it does Side-by-side examples JS to Go mapping Runnable code files Topics covered Variables and types Loops and functions HTTP servers Async and goroutines Tech stack Go Node.js JavaScript Audience Node.js developers Go beginners Self-learners

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Things people build with this

USE CASE 1

Learn how to do something you already know in Node.js, like reading a file or making an HTTP server, but written in Go.

USE CASE 2

Quickly look up the Go equivalent of a JavaScript pattern such as async/await, promises, or JSON handling.

USE CASE 3

Run the bundled example files locally to see both languages execute the same task and compare their output.

USE CASE 4

Use as a desk reference when switching between a Node.js codebase and a new Go project.

Tech stack

GoNode.jsJavaScript

Getting it running

Difficulty · easy Time to first run · 5min

No installation needed to read the guide. To run examples, install Go and Node.js, then execute files from the examples directory directly.

The explanation does not mention a license.

In plain English

This repository is a learning guide for Node.js developers who want to learn Go, the programming language also known as Golang. It works by showing the same task done twice: once in Node.js JavaScript and once in Go, side by side, so you can see how familiar patterns translate between the two languages. The guide covers a wide range of programming basics and practical tasks. On the basics side, it includes variables, data types, conditionals, loops, functions, and classes. On the practical side, it covers file operations, working with JSON, handling errors, running external commands, making HTTP servers, parsing URLs, compressing data, looking up DNS records, and working with cryptographic hashes. It also covers asynchronous patterns, showing how Node.js concepts like promises and async/await map to Go's approach using goroutines and channels. Each section presents the Node.js code and the equivalent Go code with their respective terminal output where relevant. The format is intentionally concise: it is not a full tutorial for either language, and the author notes that it assumes you have already gone through Go's official introductory tour. The purpose is to give a high-level translation guide so you can quickly figure out how to do something you already know how to do in Node.js, and then learn the details on your own from there. All of the code examples are also available as runnable files in the repository's examples directory if you want to execute them directly rather than reading the README. The full README is longer than what was shown.

Copy-paste prompts

Prompt 1

Using the golang-for-nodejs-developers guide as context, show me how to write a Go HTTP server that does the same thing as this Node.js Express route: [paste your route here].

Prompt 2

I know how to use async/await in Node.js. Using the patterns from golang-for-nodejs-developers, explain how goroutines and channels replace that pattern in Go, with a short example.

Prompt 3

Translate this Node.js file-reading code to Go, following the style shown in the golang-for-nodejs-developers examples: [paste your code].

Prompt 4

Based on golang-for-nodejs-developers, what is the Go equivalent of Node.js's JSON.parse and JSON.stringify? Show both versions side by side.

Prompt 5

I want to handle errors in Go the way golang-for-nodejs-developers demonstrates. Rewrite this Node.js try/catch block as idiomatic Go error handling: [paste your code].

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