diff --git a/package.json b/package.json
index a95260c..39e74c3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@ztimson/utils",
-	"version": "0.22.0",
+	"version": "0.22.1",
 	"description": "Utility library",
 	"author": "Zak Timson",
 	"license": "MIT",
diff --git a/src/objects.ts b/src/objects.ts
index c411fd4..76849a8 100644
--- a/src/objects.ts
+++ b/src/objects.ts
@@ -29,10 +29,10 @@ export function clean<T>(obj: T, undefinedOnly = false): Partial<T> {
  * Should be replaced by `structuredClone` once released.
  * @param {T} value Object to copy
  * @returns {T} Type
- * @deprecated Please use `structuredClone`
  */
 export function deepCopy<T>(value: T): T {
-	return structuredClone(value);
+	try {return structuredClone(value); }
+	catch { return JSON.parse(JSONSanitize(value)); }
 }
 
 /**
@@ -234,10 +234,8 @@ export function JSONAttemptParse<T>(json: string): T | string {
 export function JSONSanitize(obj: any, space?: number): string {
 	let cache: any[] = [];
 	return JSON.stringify(obj, (key, value) => {
-		if (typeof value === 'object' && value !== null) {
-			if (cache.includes(value)) return;
-			cache.push(value);
-		}
+		if(typeof value === 'object' && value !== null)
+			if(!cache.includes(value)) cache.push(value);
 		return value;
 	}, space);
 }
diff --git a/src/string.ts b/src/string.ts
index b7a3963..e8e5392 100644
--- a/src/string.ts
+++ b/src/string.ts
@@ -1,5 +1,3 @@
-import {dotNotation, flattenObj} from './objects.ts';
-
 /**
  * String of all letters
  */
@@ -44,7 +42,7 @@ export function formatBytes(bytes: number, decimals = 2) {
 export function formatPhoneNumber(number: string) {
 	const parts = /(\+?1)?.*?(\d{3}).*?(\d{3}).*?(\d{4})/g.exec(number);
 	if(!parts) throw new Error(`Number cannot be parsed: ${number}`);
-	return `${parts[1] ?? ''} (${parts[2]}) ${parts[3]}-${parts[4]}`.trim();
+	return `${parts[1] ? '+1' : ''} (${parts[2]}) ${parts[3]}-${parts[4]}`.trim();
 }
 
 /**
@@ -60,6 +58,7 @@ export function formatPhoneNumber(number: string) {
  * @param {string} str - Value that will be injected to parent
  * @param {number} index - Position to inject string at
  * @returns {string} - New string
+ * @deprecated use `strSplice()`
  */
 export function insertAt(target: string, str: string, index: number): String {
 	return `${target.slice(0, index)}${str}${target.slice(index + 1)}`;
@@ -210,6 +209,7 @@ export type ParsedUrl = {
  *
  * @param {string} url URL string that will be parsed
  * @returns {RegExpExecArray} Parts of URL
+ * @deprecated Use built-in URL object: `new URL('...')`;
  */
 export function parseUrl(url: string): ParsedUrl {
 	const processed = new RegExp(
diff --git a/src/types.ts b/src/types.ts
index 4ae1f63..3ea79bb 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -15,6 +15,6 @@
  *
  * @return {Array<keyof T>} Available keys
  */
-export function tyoeKeys<T extends object>() {
+export function typeKeys<T extends object>() {
 	return Object.keys(<T>{}) as Array<keyof T>;
 }