Home / Skills / IDE Plugins / modify-jsi-features

modify-jsi-features

By facebook. Updated April 15, 2026. Categories: IDE Plugins.

Guide for adding new JSI functionality to the JavaScript Interface (JSI) layer. Use when the user asks to add, create, or implement new methods or features in the JSI Runtime interface. Covers all required files across JSI core, Hermes implementation, and SynthTrace replay support.

View repository on GitHub

SKILL.md

The description above is the indexed summary. With JavaScript enabled, this page also loads the SKILL.md text from GitHub.