How does this integrate with Zig?

The skill includes specific instructions for exposing C++ structures to Zig via the ZigGlobalObject and structure caching mechanisms used in the Bun codebase.

Can I create classes without a public constructor?

Yes, the skill provides a simplified structure for cases where only a prototype and class are needed, omitting the constructor class when it's not required.

When should I use this skill?

Use this skill when you are developing internal components for the Bun runtime or any project using JavaScriptCore that requires exposing C++ classes to a JavaScript environment.

Does this skill handle memory management?

Yes, it includes specific patterns for Iso Subspaces to ensure proper garbage collection and memory layout for objects containing C++ fields.

JSC Class Implementation for C++

Name: JSC Class Implementation for C++
Author: zhcndoc

byzhcndoc

0•

Developer Tools

Implements high-performance JavaScript classes in C++ using JavaScriptCore bindings for the Bun runtime environment.

This skill provides standardized patterns and boilerplate for implementing JavaScript classes within C++ using the JavaScriptCore (JSC) engine. It guides developers through the complex process of defining class structures, managing memory with Iso Subspaces, setting up prototypes and constructors, and handling property definitions like getters and setters. This is particularly useful for Bun contributors or developers building custom JavaScript runtimes who need to bridge native C++ logic with a JavaScript-accessible interface while maintaining high performance and memory safety.

Key Features

01Memory management patterns using GC Iso Subspaces for C++ fields

02Standardized 3-class structure for JSC objects (Object, Prototype, Constructor)

03Seamless integration with Zig global objects and structure caching

04Automated property definitions for methods and custom accessors

050 GitHub stars

06Standardized error handling and type-safe casting within C++ host functions

Use Cases

01Optimizing memory layout and garbage collection for custom JS objects

02Porting existing C++ libraries to a JavaScript-accessible interface in JSC

03Creating high-performance C++ bindings for new Bun internal APIs

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add zhcndoc/bun implementing-jsc-classes-cpp

For use in Claude.ai and ChatGPT

Download Skill