Better debugging experience with user profile

src/lib/tools/deepAssign.ts

@@ -1,9 +1,38 @@
 import { assert } from "tsafe/assert";
 import { is } from "tsafe/is";
 
+function deepClone<T>(src: T): T {
+    const generateId = (() => {
+        const prefix = "xIfKdLsIIdJdLdOeJqePe";
+
+        let counter = 0;
+
+        return () => `${prefix}${counter++}`;
+    })();
+
+    const map = new Map<string, Function>();
+
+    return JSON.parse(
+        JSON.stringify(src, (...[, value]) => {
+            if (typeof value === "function") {
+                const id = generateId();
+
+                map.set(id, value);
+
+                return id;
+            }
+
+            return value;
+        }),
+        (...[, value]) => (typeof value === "string" && map.has(value) ? map.get(value) : value),
+    );
+}
+
 //Warning: Be mindful that because of array this is not idempotent.
 export function deepAssign(params: { target: Record<string, unknown>; source: Record<string, unknown> }) {
-    const { target, source } = params;
+    const { target } = params;
+
+    const source = deepClone(params.source);
 
     Object.keys(source).forEach(key => {
         var dereferencedSource = source[key];