Filter out undefined values from json queries (#209)

* Filter out undefined values from json queries

* Create pretty-cows-shave.md

* refactor: simplify code

---------

Co-authored-by: Youssef Gaber <1728215+Gabrola@users.noreply.github.com>

Author: gingermusketeer

.changeset/pretty-cows-shave.md

@@ -0,0 +1,5 @@
+---
+"@ts-rest/core": patch
+---
+
+Filter out undefined values from json queries

libs/ts-rest/core/src/lib/query.spec.ts

@@ -233,6 +233,7 @@ describe('encodeQueryParamsJson', () => {
       numberString: '123',
       boolean: true,
       null: null,
+      undefined: undefined,
       sorting: {
         by: 'date',
         order: 'asc',

libs/ts-rest/core/src/lib/query.ts

@@ -17,6 +17,7 @@ export const encodeQueryParamsJson = (query: unknown) => {
   }
 
   return Object.entries(query)
+    .filter(([, value]) => value !== undefined)
     .map(([key, value]) => {
       let encodedValue;