feat: add $uint64AsString decorator

Author: mascii

index.js

@@ -1 +1,2 @@
 export { $int64AsString } from "./int64AsString.js";
+export { $uint64AsString } from "./uint64AsString.js";

int64AsString.tsp renamed to index.tsp

@@ -1,4 +1,5 @@
 import "./int64AsString.js";
+import "./uint64AsString.js";
 
 using TypeSpec.Reflection;
 
@@ -7,3 +8,9 @@ using TypeSpec.Reflection;
  * This decorator is equivalent to `@encode("int64", string)`.
  */
 extern dec int64AsString(target: ModelProperty);
+
+/**
+ * Emit string type from uint64.
+ * This decorator is equivalent to `@encode("uint64", string)`.
+ */
+extern dec uint64AsString(target: ModelProperty);

package.json

@@ -16,11 +16,12 @@
   ],
   "type": "module",
   "main": "index.js",
-  "tspMain": "int64AsString.tsp",
+  "tspMain": "index.tsp",
   "files": [
     "index.js",
+    "index.tsp",
     "int64AsString.js",
-    "int64AsString.tsp"
+    "uint64AsString.js"
   ],
   "peerDependencies": {
     "@typespec/compiler": "^0.67.1"

uint64AsString.js

@@ -0,0 +1,15 @@
+import { $encode } from "@typespec/compiler";
+
+/**
+ * @param context {import("@typespec/compiler").DecoratorContext}
+ * @param target {import("@typespec/compiler").ModelProperty}
+ */
+export function $uint64AsString(context, target) {
+  if ("name" in target.type && target.type.name === "uint64") {
+    $encode(context, target, "uint64");
+  } else {
+    throw new Error(
+      "@uint64AsString decorator can only be used for uint64 properties.",
+    );
+  }
+}