BridgeJS

BridgeJS is a code-generation layer in JavaScriptKit that makes Swift–JavaScript interop faster and easier than raw JSObject/JSValue: you declare the API shape in Swift (or TypeScript), and the tool generates glue code. Two directions: export Swift to JavaScript and import JavaScript into Swift.

Referencing official docs

When you need details, read DocC from the checked-out JavaScriptKit repository: Sources/JavaScriptKit/Documentation.docc/ when inside the JavaScriptKit repo, or .build/checkouts/JavaScriptKit/Sources/JavaScriptKit/Documentation.docc/ when in a project that depends on JavaScriptKit.

Two directions

• Export Swift: Use @JS (and @JS(namespace:enumStyle:identityMode:)) on functions, classes, structs, enums, closures, protocols, etc. JavaScript then calls into your Swift code. See references/exporting.md.
• Import JavaScript: (1) Declare bindings in Swift with @JSFunction, @JSClass, @JSGetter, @JSSetter; use @JSGetter(from: .global) for globals like document/console; inject other implementations via getImports(). See references/importing.md. (2) Or use bridge-js.d.ts to generate the same Swift bindings. See references/importing-ts.md.

Key concepts