feat(swift): expose IdentityCheck preset in Swift SDK

Author: chipp

scripts/build-swift.sh

@@ -24,9 +24,10 @@ echo ""
 echo "🔧 Step 2/3: Generating Swift bindings..."
 mkdir -p "$GENERATED_DIR"
 
-uniffi-bindgen generate \
+cargo run -p uniffi-bindgen generate \
     --library target/release/libidkit.dylib \
     --language swift \
+    --no-format \
     --out-dir "$GENERATED_DIR"
 
 echo "✅ Generated Swift bindings to: $GENERATED_DIR"

swift/Examples/IDKitSampleApp/IDKitSampleApp/ContentView.swift

@@ -21,6 +21,7 @@ enum SampleLegacyPreset: String, CaseIterable, Identifiable {
     case document
     case device
     case selfieCheck = "selfie check"
+    case identityCheck = "identity check"
 
     var id: String { rawValue }
 
@@ -36,6 +37,15 @@ enum SampleLegacyPreset: String, CaseIterable, Identifiable {
             deviceLegacy(signal: signal)
         case .selfieCheck:
             selfieCheckLegacy(signal: signal)
+        case .identityCheck:
+            identityCheck(
+                attributes: [
+                    .minimumAge(21),
+                    .nationality("JPN"),
+                    .documentType(.passport),
+                ],
+                requireProofOfHumanity: true
+            )
         }
     }
 }
@@ -76,7 +86,7 @@ struct ContentView: View {
                     }
                     .pickerStyle(.segmented)
 
-                    Picker("Legacy preset", selection: $model.legacyPreset) {
+                    Picker("Preset", selection: $model.legacyPreset) {
                         ForEach(SampleLegacyPreset.allCases) { preset in
                             Text(preset.rawValue).tag(preset)
                         }
@@ -201,7 +211,7 @@ final class SampleModel: ObservableObject {
             deepLinkReceivedForPendingRequest = false
 
             print("IDKit connector URL: \(request.connectorURL.absoluteString)")
-            log("Using legacy preset: \(legacyPreset.rawValue)")
+            log("Using preset: \(legacyPreset.rawValue)")
             log("Generated request ID: \(request.requestID.uuidString)")
             log("Configured return_to callback: \(returnToURL)")
             startPollingForRequest(request: request, reason: "request generation")

swift/README.md

@@ -74,6 +74,23 @@ let request = try IDKit
     .preset(selfieCheckLegacy(signal: "user-123"))
 ```
 
+For document-based identity attestation, use:
+
+```swift
+let request = try IDKit
+    .request(config: config)
+    .preset(
+        identityCheck(
+            attributes: [
+                .minimumAge(21),
+                .nationality("JPN"),
+                .documentType(.passport),
+            ],
+            requireProofOfHumanity: true
+        )
+    )
+```
+
 ## Canonical Swift API
 
 - Entry points:

swift/Sources/IDKit/IDKit.swift

@@ -363,6 +363,19 @@ public func selfieCheckLegacy(signal: String? = nil) -> Preset {
     .selfieCheckLegacy(signal: signal)
 }
 
+/// Returns the identity check preset.
+///
+/// This preset requires World ID 4.0-compatible clients.
+public func identityCheck(
+    attributes: [IdentityAttribute],
+    requireProofOfHumanity: Bool = false
+) -> Preset {
+    .identityCheck(
+        attributes: attributes,
+        requireProofOfHumanity: requireProofOfHumanity
+    )
+}
+
 // TODO: Re-enable when World ID 4.0 is live
 // private struct CredentialRequestJSON: Encodable {
 //     let type: String

swift/Tests/IDKitTests/IDKitTests.swift

@@ -231,41 +231,62 @@ func legacyPresetHelpers() {
     let doc = documentLegacy(signal: "z")
     let device = deviceLegacy(signal: "d")
     let face = selfieCheckLegacy(signal: "f")
+    let identity = identityCheck(
+        attributes: [
+            .minimumAge(21),
+            .nationality("JPN"),
+            .documentType(.passport)
+        ],
+        requireProofOfHumanity: true
+    )
 
     switch orb {
     case .orbLegacy(let signal):
         #expect(signal == "x")
-    case .secureDocumentLegacy, .documentLegacy, .deviceLegacy, .selfieCheckLegacy:
+    case .secureDocumentLegacy, .documentLegacy, .deviceLegacy, .selfieCheckLegacy, .identityCheck:
         Issue.record("Expected orbLegacy preset")
     }
 
     switch secureDoc {
     case .secureDocumentLegacy(let signal):
         #expect(signal == "y")
-    case .orbLegacy, .documentLegacy, .deviceLegacy, .selfieCheckLegacy:
+    case .orbLegacy, .documentLegacy, .deviceLegacy, .selfieCheckLegacy, .identityCheck:
         Issue.record("Expected secureDocumentLegacy preset")
     }
 
     switch doc {
     case .documentLegacy(let signal):
         #expect(signal == "z")
-    case .orbLegacy, .secureDocumentLegacy, .deviceLegacy, .selfieCheckLegacy:
+    case .orbLegacy, .secureDocumentLegacy, .deviceLegacy, .selfieCheckLegacy, .identityCheck:
         Issue.record("Expected documentLegacy preset")
     }
 
     switch device {
     case .deviceLegacy(let signal):
         #expect(signal == "d")
-    case .orbLegacy, .secureDocumentLegacy, .documentLegacy, .selfieCheckLegacy:
+    case .orbLegacy, .secureDocumentLegacy, .documentLegacy, .selfieCheckLegacy, .identityCheck:
         Issue.record("Expected deviceLegacy preset")
     }
 
     switch face {
     case .selfieCheckLegacy(let signal):
         #expect(signal == "f")
-    case .orbLegacy, .secureDocumentLegacy, .documentLegacy, .deviceLegacy:
+    case .orbLegacy, .secureDocumentLegacy, .documentLegacy, .deviceLegacy, .identityCheck:
         Issue.record("Expected selfieCheckLegacy preset")
     }
+
+    switch identity {
+    case let .identityCheck(attributes, requireProofOfHumanity):
+        let expected: [IdentityAttribute] = [
+            .minimumAge(21),
+            .nationality("JPN"),
+            .documentType(.passport)
+        ]
+        #expect(attributes == expected)
+        #expect(requireProofOfHumanity)
+    case .orbLegacy, .secureDocumentLegacy, .documentLegacy, .deviceLegacy, .selfieCheckLegacy:
+        Issue.record("Expected identityCheck preset")
+    }
 }
 
 // TODO: Re-enable when World ID 4.0 is live