Skip to content

BridgeJS: Support generic functions at the Swift and JavaScript boundary #14

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
krodak wants to merge 5 commits into from
Closed

BridgeJS: Support generic functions at the Swift and JavaScript boundary #14

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
0bb690a
BridgeJS: Support generic functions at the Swift and JavaScript boundary
krodak Jul 8, 2026
50bcb2c
BridgeJS: Tests and fixtures for generic functions
krodak Jul 8, 2026
ca567cf
BridgeJS: Rename _BridgedSwiftGenericBridgeable to BridgedSwiftGeneri…
krodak Jul 14, 2026
b5fe11b
BridgeJS: Exercise generic imports under Embedded Swift
krodak Jul 14, 2026
3733014
BridgeJS: Migrate generic runtime tests to Swift Testing
krodak Jul 14, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 3 additions & 0 deletions Examples/Embedded/Package.swift
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,9 @@ let package = Package(
swiftSettings: [
.enableExperimentalFeature("Extern")
],
plugins: [
.plugin(name: "BridgeJS", package: "JavaScriptKit")
]
)
],
swiftLanguageModes: [.v5]
Expand Down
21 changes: 21 additions & 0 deletions Examples/Embedded/Sources/EmbeddedApp/main.swift
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,5 +1,15 @@
import JavaScriptKit

// BridgeJS generic imports work under Embedded Swift: `echoValue` is
// implemented in JavaScript (see index.html) and a single piece of generated
// glue serves every conforming type, selected by a runtime type ID.
@JS struct CounterLabel {
var count: Int
var text: String
}

@JSFunction func echoValue<T: BridgedSwiftGenericBridgeable>(_ value: T) throws(JSException) -> T

let alert = JSObject.global.alert.object!
let document = JSObject.global.document

Expand Down Expand Up @@ -46,6 +56,17 @@ _ = encoderContainer.appendChild(textInputElement)
_ = encoderContainer.appendChild(encodeResultElement)
_ = document.body.appendChild(encoderContainer)

let genericResultElement = document.createElement("pre")
do {
let number = try echoValue(42)
let text = try echoValue("hello")
let label = try echoValue(CounterLabel(count: number, text: text))
genericResultElement.innerText = .string("Generic import round-trip: \(label.text) \(label.count)")
} catch {
genericResultElement.innerText = "Generic import round-trip failed"
}
_ = document.body.appendChild(genericResultElement)

func print(_ message: String) {
_ = JSObject.global.console.log(message)
}
Expand Down
9 changes: 8 additions & 1 deletion Examples/Embedded/index.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,14 @@
<body>
<script type="module">
import { init } from "./.build/plugins/PackageToJS/outputs/Package/index.js";
init();
init({
getImports() {
return {
// Implements the generic `echoValue` imported by main.swift.
echoValue: (value) => value,
};
},
});
</script>
</body>

Expand Down
2 changes: 1 addition & 1 deletion Plugins/BridgeJS/README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -98,7 +98,7 @@ graph LR
| `Dictionary<K, V>` | `Record<K, V>` | - | [#495](https://github.com/swiftwasm/JavaScriptKit/issues/495) |
| `Set<T>` | `Set<T>` | - | [#397](https://github.com/swiftwasm/JavaScriptKit/issues/397) |
| `Foundation.URL` | `string` | - | [#496](https://github.com/swiftwasm/JavaScriptKit/issues/496) |
| Generics | - | - | [#398](https://github.com/swiftwasm/JavaScriptKit/issues/398) |
| Generic function or method (`T`, `[T]`, `T?`, `[String: T]`) | `<T>(value: T, type: BridgeType<T>)` | Depends on `T` | ✅ |

### Import-specific (TypeScript -> Swift)

Expand Down
Loading
Loading