Add handling for type parameters and override type in dictionary members (microsoft#2241)

Author: Bashamega

inputfiles/addedTypes.jsonc

@@ -790,50 +790,6 @@
     },
     "dictionaries": {
         "dictionary": {
-            "ReadableStreamReadDoneResult": {
-                "name": "ReadableStreamReadDoneResult",
-                "typeParameters": [
-                    {
-                        "name": "T"
-                    }
-                ],
-                "members": {
-                    "member": {
-                        "done": {
-                            "name": "done",
-                            "overrideType": "true",
-                            "required": true
-                        },
-                        "value": {
-                            "name": "value",
-                            "overrideType": "T | undefined",
-                            "required": true
-                        }
-                    }
-                }
-            },
-            "ReadableStreamReadValueResult": {
-                "name": "ReadableStreamReadValueResult",
-                "typeParameters": [
-                    {
-                        "name": "T"
-                    }
-                ],
-                "members": {
-                    "member": {
-                        "done": {
-                            "name": "done",
-                            "overrideType": "false",
-                            "required": true
-                        },
-                        "value": {
-                            "name": "value",
-                            "overrideType": "T",
-                            "required": true
-                        }
-                    }
-                }
-            },
             "UnderlyingByteSource": {
                 "name": "UnderlyingByteSource",
                 "members": {

inputfiles/patches/readable-stream.kdl

@@ -0,0 +1,9 @@
+dictionary ReadableStreamReadDoneResult typeParameters=T {
+    member done required=#true overrideType="true"
+    member value required=#true overrideType="T | undefined"
+}
+
+dictionary ReadableStreamReadValueResult typeParameters=T {
+    member done required=#true overrideType="false"
+    member value required=#true overrideType="T"
+}

src/build/patches.ts

@@ -318,11 +318,13 @@ function handleDictionary(child: Node): DeepPartial<Dictionary> {
   return {
     name,
     members: { member },
+    ...handleTypeParameters(child.properties?.typeParameters),
     ...optionalMember(
       "legacyNamespace",
       "string",
       child.properties?.legacyNamespace,
     ),
+    ...optionalMember("overrideType", "string", child.properties?.overrideType),
   };
 }