Add another overload to better handle undefined

total-typescript · Feb 20, 2023 · 38ef971 · 38ef971
1 parent 65d48c0
commit 38ef971
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/src/entrypoints/json-stringify.d.ts b/src/entrypoints/json-stringify.d.ts
@@ -1,4 +1,11 @@
 interface JSON {
+  /**
+   * Converts a JavaScript value to a JavaScript Object Notation (JSON) string.
+   * @param value A JavaScript value, usually an object or array, to be converted.
+   * @param replacer (Not Used)
+   * @param space (Not Used)
+   */
+  stringify(value: undefined, replacer?: any, space?: any): undefined;
   /**
    * Converts a JavaScript value to a JavaScript Object Notation (JSON) string.
    * @param value A JavaScript value, usually an object or array, to be converted.

diff --git a/src/tests/json-stringify.ts b/src/tests/json-stringify.ts
@@ -2,7 +2,7 @@ import { doNotExecute, Equal, Expect } from "./utils";
 
 doNotExecute(() => {
   const result = JSON.stringify(undefined);
-  type tests = [Expect<Equal<typeof result, string | undefined>>];
+  type tests = [Expect<Equal<typeof result, undefined>>];
 });
 
 doNotExecute(() => {