fix: default form value not cloned as original object type

Fixes #268

package.json

@@ -50,6 +50,7 @@
     "@types/uuid": "8.3.4",
     "commitizen": "4.2.4",
     "core-js": "3.23.1",
+    "lodash-es": "4.17.21",
     "fast-deep-equal": "3.1.3",
     "ngx-observable-lifecycle": "2.2.1",
     "rxjs": "7.5.5",
@@ -70,6 +71,7 @@
     "@types/jasmine": "4.0.3",
     "@types/jasminewd2": "2.0.10",
     "@types/node": "17.0.40",
+    "@types/lodash": "4.14.182",
     "@typescript-eslint/eslint-plugin": "5.28.0",
     "@typescript-eslint/parser": "5.28.0",
     "cypress": "10.1.0",

projects/ngx-sub-form/src/lib/helpers.ts

@@ -20,8 +20,7 @@ import {
   OneOfControlsTypes,
   TypedFormGroup,
 } from './shared/ngx-sub-form-utils';
-
-export const deepCopy = <T>(value: T): T => JSON.parse(JSON.stringify(value));
+import { cloneDeep } from 'lodash-es';
 
 /** @internal */
 export const patchClassInstance = (componentInstance: any, obj: Object) => {
@@ -122,7 +121,7 @@ export function createFormDataFromOptions<ControlInterface, FormInterface>(
     options.formControls,
     options.formGroupOptions as AbstractControlOptions,
   ) as TypedFormGroup<FormInterface>;
-  const defaultValues: FormInterface = deepCopy(formGroup.value);
+  const defaultValues: FormInterface = cloneDeep(formGroup.value);
   const formGroupKeys: (keyof FormInterface)[] = Object.keys(defaultValues) as (keyof FormInterface)[];
   const formControlNames: ControlsNames<FormInterface> = formGroupKeys.reduce<ControlsNames<FormInterface>>(
     (acc, curr) => {

yarn.lock

@@ -2186,6 +2186,11 @@
   resolved "https://registry.yarnpkg.com/@types/json5/-/json5-0.0.29.tgz#ee28707ae94e11d2b827bcbe5270bcea7f3e71ee"
   integrity sha512-dRLjCWHYg4oaA77cxO64oO+7JwCwnIzkZPdrrC71jQmQtlhM556pwKo5bUzqvZndkVbeFLIIi+9TC40JNF5hNQ==
 
+"@types/[email protected]":
+  version "4.14.182"
+  resolved "https://registry.yarnpkg.com/@types/lodash/-/lodash-4.14.182.tgz#05301a4d5e62963227eaafe0ce04dd77c54ea5c2"
+  integrity sha512-/THyiqyQAP9AfARo4pF+aCGcyiQ94tX/Is2I7HofNRqoYLgN1PBoOWu2/zTA5zMxzP5EFutMtWtGAFRKUe961Q==
+
 "@types/mime@^1":
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/@types/mime/-/mime-1.3.2.tgz#93e25bf9ee75fe0fd80b594bc4feb0e862111b5a"
@@ -6901,6 +6906,11 @@ locate-path@^5.0.0:
   dependencies:
     p-locate "^4.1.0"
 
+[email protected]:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash-es/-/lodash-es-4.17.21.tgz#43e626c46e6591b7750beb2b50117390c609e3ee"
+  integrity sha512-mKnC+QJ9pWVzv+C4/U3rRsHapFfHvQFoFB92e52xeyGMcX6/OlIl78je1u8vePzYZSkkogMPJ2yjxxsb89cxyw==
+
 lodash.capitalize@^4.2.1:
   version "4.2.1"
   resolved "https://registry.yarnpkg.com/lodash.capitalize/-/lodash.capitalize-4.2.1.tgz#f826c9b4e2a8511d84e3aca29db05e1a4f3b72a9"