Files
Graphite/frontend/wasm/README.md
Keavon Chambers 52d2b38a82 Refactor the TypeScript data flow for full type safety and auto-generation of Rust types (#3865)
* Migrate Specta to Tsify to auto-generate messages.ts, working except colors and widgets

* Adopt the generated FillColor/Color/GradientStops

* Fix widget typing

* Separate WidgetGroup enum variants into wrapper structs

* Small rename

* Simplify widgets further

* Clean up message type references

* Switch type imports to the auto-generated file

* Remove lowercase serde rename

* Fix FillChoice deserialization

* Fix small regression from #3837

* Improve type safety

* Make WidgetSpan type-safe

* More cleanup and type safety

* More type safety

* More type safety

* Get the rest to type-check without errors; improve widget builder macro to have optional icons; improve Svelte 5 configs

* Cargo fmt

* Fix imports

* Update outdated readme info

* Fix lint command rename references

* Fix typos

* One more typos fix

* Remove unnecessary dep: prefix from the edited Cargo.toml files

* Remove excess parts from Cargo.toml

* Fix compiling on desktop

* Revert "Remove excess parts from Cargo.toml"

This reverts commit 6b711117b3a5d5d8a3ee20f36a43bc74930b7c82.

* Update dev docs with simpler, more accurate instructions
2026-03-09 16:35:04 -07:00

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# Overview of `/frontend/wasm/`
## Wasm wrapper API: `src/editor_api.rs`
Provides bindings for JS to call functions defined in this file, and for `FrontendMessage`s to be sent from Rust back to JS in the form of a callback to the subscription router. This Wasm wrapper crate, since it's written in Rust, is able to call into the Editor crate's codebase and send `FrontendMessage`s back to JS.
## Wasm wrapper helper code: `src/helpers.rs`
Assorted function and struct definitions used in the Wasm wrapper.
## Native communication: `src/native_communication.rs`
Handles receiving serialized `FrontendMessage`s from the native desktop app via an `ArrayBuffer` and forwarding them to JS through the editor handle.
## Wasm wrapper initialization: `src/lib.rs`
Entry point for the Rust codebase in the Wasm environment. Sets up panic hooks and logging, and defines thread-local storage for the editor instance, editor handle, message buffer, and panic dialog callback.