From 67d9928a61835a468682098d1871a84f7a16f94b Mon Sep 17 00:00:00 2001
From: ztimson <zaktimson@gmail.com>
Date: Mon, 30 Sep 2024 15:58:37 -0400
Subject: [PATCH] Added jwtDecode function

---
 package-lock.json |  4 ++--
 package.json      |  2 +-
 src/index.ts      |  1 +
 src/jwt.ts        | 15 +++++++++++++++
 4 files changed, 19 insertions(+), 3 deletions(-)
 create mode 100644 src/jwt.ts

diff --git a/package-lock.json b/package-lock.json
index 5481710..12d3bfa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "@ztimson/utils",
-	"version": "0.16.3",
+	"version": "0.16.7",
 	"lockfileVersion": 3,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "@ztimson/utils",
-			"version": "0.16.3",
+			"version": "0.16.7",
 			"license": "MIT",
 			"devDependencies": {
 				"@types/jest": "^29.5.12",
diff --git a/package.json b/package.json
index 5317c09..d7c6f5e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@ztimson/utils",
-	"version": "0.16.6",
+	"version": "0.16.7",
 	"description": "Utility library",
 	"author": "Zak Timson",
 	"license": "MIT",
diff --git a/src/index.ts b/src/index.ts
index b83a6ba..9a31da6 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -6,6 +6,7 @@ export * from './files';
 export * from './emitter';
 export * from './errors';
 export * from './http';
+export * from './jwt';
 export * from './logger';
 export * from './math';
 export * from './misc';
diff --git a/src/jwt.ts b/src/jwt.ts
new file mode 100644
index 0000000..1a9500a
--- /dev/null
+++ b/src/jwt.ts
@@ -0,0 +1,15 @@
+import {JSONAttemptParse} from './objects.ts';
+
+/**
+ * Decode a JWT payload, this will not check for tampering so be careful
+ *
+ * @param {string} token JWT to decode
+ * @return {unknown} JWT payload
+ */
+function decodeJwt<T>(token: string): T {
+	const base64 = token.split('.')[1]
+		.replace(/-/g, '+').replace(/_/g, '/');
+	return <T>JSONAttemptParse(decodeURIComponent(window.atob(base64).split('').map(function(c) {
+		return '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2);
+	}).join('')));
+}