From 3ba1e8baeae49c28daec43e6ad3ee31b3079872b Mon Sep 17 00:00:00 2001
From: Robbie Coomber <robbie.coomber@gmail.com>
Date: Fri, 3 Nov 2023 10:54:25 +0000
Subject: [PATCH] TypeScript magic

---
 src/utils/index.ts | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/utils/index.ts b/src/utils/index.ts
index 326167570..e590f05b0 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -202,11 +202,14 @@ export const _safewrap_instance_methods = function (obj: Record<string, any>): v
     }
 }
 
-export const _strip_empty_properties = function <T extends Record<string, any>>(p: T): { [k in keyof T]?: T[k] } {
-    const ret: Partial<T> = {}
+export const _strip_empty_properties = function <T extends Record<string, any>>(
+    p: T
+): // remove non-string properties from the type and all keys optional
+{ [k in keyof T as T[k] extends string ? k : never]?: T[k] } {
+    const ret = {} as any
     _each(p, function (v, k) {
         if (_isString(v) && v.length > 0) {
-            ;(ret as any)[k] = v
+            ret[k] = v
         }
     })
     return ret