fix: 🐛 support non primitive types

✅ Closes: #15

Author: NetanelBasal

projects/ngneat/bind-query-params/src/lib/QueryParamDef.ts

@@ -28,6 +28,24 @@ export class QueryParamDef<QueryParams = any> {
     return this.config.serializer;
   }
 
+  serialize(controlValue: any): string | null {
+    if (this.serializer) {
+      return this.serializer(controlValue);
+    }
+
+    if (controlValue === null || controlValue === undefined) {
+      return null;
+    }
+
+    let serializedValue = controlValue?.toString();
+
+    if (controlValue.toString() === '[object Object]') {
+      serializedValue = JSON.stringify(controlValue);
+    }
+
+    return serializedValue;
+  }
+
   parse(queryParamValue: string) {
     if (this.parser) {
       return this.parser(queryParamValue);

projects/ngneat/bind-query-params/src/lib/utils.ts

@@ -29,11 +29,10 @@ export function get(obj: Record<string, any>, path: string): any {
 export function resolveParams(params: ResolveParamsOption | ResolveParamsOption[]) {
   const toArray = coerceArray(params);
 
-  const result: Record<string, string> = {};
+  const result: Record<string, string | null> = {};
 
-  toArray.forEach(({ def: { queryKey, serializer }, value }) => {
-    const serializedValue = serializer?.(value) || value?.toString();
-    result[queryKey] = serializedValue || null;
+  toArray.forEach(({ def, value }) => {
+    result[def.queryKey] = def.serialize(value);
   });
 
   return result;