Test roundtrip of Swift heap objects

Author: kateinoigakukun

Diff for: Plugins/BridgeJS/Sources/BridgeJSLink/BridgeJSLink.swift

@@ -322,7 +322,7 @@ struct BridgeJSLink {
         var dtsTypeLines: [String] = []
         var dtsExportEntryLines: [String] = []
 
-        dtsTypeLines.append("export interface \(klass.name) {")
+        dtsTypeLines.append("export interface \(klass.name) extends SwiftHeapObject {")
         dtsExportEntryLines.append("\(klass.name): {")
         jsLines.append("class \(klass.name) extends SwiftHeapObject {")
 

Diff for: Tests/BridgeJSRuntimeTests/ExportAPITests.swift

@@ -20,6 +20,9 @@ func runJsWorks() -> Void
 @JS func roundTripString(v: String) -> String {
     return v
 }
+@JS func roundTripSwiftHeapObject(v: Greeter) -> Greeter {
+    return v
+}
 
 @JS class Greeter {
     var name: String

Diff for: Tests/BridgeJSRuntimeTests/Generated/ExportSwift.swift

@@ -44,6 +44,13 @@ public func _bjs_roundTripString(vBytes: Int32, vLen: Int32) -> Void {
     }
 }
 
+@_expose(wasm, "bjs_roundTripSwiftHeapObject")
+@_cdecl("bjs_roundTripSwiftHeapObject")
+public func _bjs_roundTripSwiftHeapObject(v: UnsafeMutableRawPointer) -> UnsafeMutableRawPointer {
+    let ret = roundTripSwiftHeapObject(v: Unmanaged<Greeter>.fromOpaque(v).takeUnretainedValue())
+    return Unmanaged.passRetained(ret).toOpaque()
+}
+
 @_expose(wasm, "bjs_takeGreeter")
 @_cdecl("bjs_takeGreeter")
 public func _bjs_takeGreeter(g: UnsafeMutableRawPointer, nameBytes: Int32, nameLen: Int32) -> Void {

Diff for: Tests/BridgeJSRuntimeTests/Generated/JavaScript/ExportSwift.json

@@ -153,6 +153,26 @@
         }
       }
     },
+    {
+      "abiName" : "bjs_roundTripSwiftHeapObject",
+      "name" : "roundTripSwiftHeapObject",
+      "parameters" : [
+        {
+          "label" : "v",
+          "name" : "v",
+          "type" : {
+            "swiftHeapObject" : {
+              "_0" : "Greeter"
+            }
+          }
+        }
+      ],
+      "returnType" : {
+        "swiftHeapObject" : {
+          "_0" : "Greeter"
+        }
+      }
+    },
     {
       "abiName" : "bjs_takeGreeter",
       "name" : "takeGreeter",

Diff for: Tests/prelude.mjs

@@ -20,7 +20,7 @@ export function setupOptions(options, context) {
 
 import assert from "node:assert";
 
-/** @param {import('./../.build/plugins/PackageToJS/outputs/PackageTests/bridge.d.ts').Export} exports */
+/** @param {import('./../.build/plugins/PackageToJS/outputs/PackageTests/bridge.d.ts').Exports} exports */
 function BridgeJSRuntimeTests_runJsWorks(instance, exports) {
     for (const v of [0, 1, -1, 2147483647, -2147483648]) {
         assert.equal(exports.roundTripInt(v), v);
@@ -58,6 +58,9 @@ function BridgeJSRuntimeTests_runJsWorks(instance, exports) {
     }
 
     const g = new exports.Greeter("John");
+    const g2 = exports.roundTripSwiftHeapObject(g)
+    g2.release();
+
     assert.equal(g.greet(), "Hello, John!");
     g.changeName("Jane");
     assert.equal(g.greet(), "Hello, Jane!");