-

Author: Bashamega

inputfiles/patches/authenticator.kdl

@@ -2,4 +2,23 @@ removals {
     enum AuthenticatorTransport {
         smart-card // WebKit only as of 2023-05
     }
+    dictionary AuthenticationExtensionsClientInputs {
+        // https://searchfox.org/mozilla-central/source/dom/webidl/WebAuthentication.webidl
+        // https://searchfox.org/wubkat/source/Source/WebCore/Modules/webauthn/AuthenticationExtensionsClientInputs.idl
+        // https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/modules/credentialmanagement/authentication_extensions_client_inputs.idl
+        member appidExclude
+        member credBlob
+        member getCredBlob
+        member hmacGetSecret // No implementation as of 2025-05
+        member payment
+    }
+    dictionary AuthenticationExtensionsClientInputsJSON {
+        member appidExclude
+    }
+    dictionary AuthenticationExtensionsClientOutputs {
+        // (same as *Inputs)
+        member appidExclude // No implementation as of 2025-05
+        member hmacGetSecret // No implementation as of 2025-05
+        member payment // Blink only as of 2025-06
+    }
 }

inputfiles/removedTypes.jsonc

@@ -261,37 +261,6 @@
                     }
                 }
             },
-            "AuthenticationExtensionsClientInputs": {
-                "members": {
-                    "member": {
-                        // https://searchfox.org/mozilla-central/source/dom/webidl/WebAuthentication.webidl
-                        // https://searchfox.org/wubkat/source/Source/WebCore/Modules/webauthn/AuthenticationExtensionsClientInputs.idl
-                        // https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/modules/credentialmanagement/authentication_extensions_client_inputs.idl
-                        "appidExclude": null,
-                        "credBlob": null,
-                        "getCredBlob": null,
-                        "hmacGetSecret": null, // No implementation as of 2025-05
-                        "payment": null
-                    }
-                }
-            },
-            "AuthenticationExtensionsClientInputsJSON": {
-                "members": {
-                    "member": {
-                        "appidExclude": null
-                    }
-                }
-            },
-            "AuthenticationExtensionsClientOutputs": {
-                "members": {
-                    "member": {
-                        // (same as *Inputs)
-                        "appidExclude": null, // No implementation as of 2025-05
-                        "hmacGetSecret": null, // No implementation as of 2025-05
-                        "payment": null // Blink only as of 2025-06
-                    }
-                }
-            },
             "CanvasRenderingContext2DSettings": {
                 "members": {
                     "member": {

src/build/patches.ts

@@ -131,7 +131,9 @@ function convertKDLNodes(nodes: Node[]): DeepPartial<WebIdl> {
     ...optionalMember("enums.enum", "object", enums),
     ...optionalMember("mixins.mixin", "object", mixin),
     ...optionalMember("interfaces.interface", "object", interfaces),
-    ...optionalMember("dictionaries.dictionary", "object", dictionary),
+    dictionaries: {
+      dictionary
+    }
   };
 }
 
@@ -396,21 +398,26 @@ async function readPatchDocument(fileUrl: URL): Promise<Node[]> {
   return output!;
 }
 /**
- * Remove all name fields from the object and its children as we don't want
- * the names to be part of the removal.
+ * Recursively remove all 'name' fields from the object and its children, and
+ * replace any empty objects ({} or []) with null.
  */
-function removeNamesDeep(obj: unknown): unknown {
+function sanitizeRemovals(obj: unknown): unknown {
   if (Array.isArray(obj)) {
-    return obj.map(removeNamesDeep);
+    const result = obj.map(sanitizeRemovals).filter((v) => v !== undefined);
+    return result.length === 0 ? null : result;
   }
   if (obj && typeof obj === "object") {
     const newObj: { [key: string]: unknown } = {};
     for (const [key, value] of Object.entries(obj as Record<string, unknown>)) {
       if (key !== "name") {
-        newObj[key] = removeNamesDeep(value);
+        const cleaned = sanitizeRemovals(value);
+        if (cleaned !== undefined) {
+          newObj[key] = cleaned;
+        }
       }
     }
-    return newObj;
+    // Replace empty objects with null
+    return Object.keys(newObj).length === 0 ? null : newObj;
   }
   return obj;
 }
@@ -461,7 +468,7 @@ export default async function readPatches(): Promise<{
   const removalObjs = removalsNodeGroups.map((nodes) => convertKDLNodes(nodes));
 
   const patches = patchObjs.reduce((acc, cur) => merge(acc, cur), {});
-  const removalPatches = removeNamesDeep(
+  const removalPatches = sanitizeRemovals(
     removalObjs.reduce((acc, cur) => merge(acc, cur), {}),
   );