fix(router): Skip search params with undefined and null values passed…

… to named routes (#11635)

Co-authored-by: Tobbe Lundberg <[email protected]>

packages/router/src/__tests__/util.test.ts

@@ -451,4 +451,10 @@ describe('replaceParams', () => {
 
     expect(replaceParams('/calc', { expr: '1+2' })).toEqual('/calc?expr=1%2B2')
   })
+
+  it('skips search parameters with `undefined` and `null` values', () => {
+    expect(replaceParams('/s', { a: '', b: 0, c: undefined, d: null })).toEqual(
+      '/s?a=&b=0',
+    )
+  })
 })

packages/router/src/util.ts

@@ -308,7 +308,9 @@ export function replaceParams(
   })
 
   const paramNames = params.map((param) => param[0])
-  const extraArgKeys = Object.keys(args).filter((x) => !paramNames.includes(x))
+  const extraArgKeys = Object.keys(args)
+    .filter((x) => !paramNames.includes(x))
+    .filter((x) => args[x] !== undefined && args[x] !== null)
 
   // Append any unnamed params as search params.
   if (extraArgKeys.length) {