From 3677534a8ccc32336696ae3dc8579dd647af2796 Mon Sep 17 00:00:00 2001
From: "B. Petersen" <r10s@b44t.com>
Date: Mon, 29 Jan 2024 00:27:42 +0100
Subject: [PATCH] allow pasting already generated link to generator

---
 index.html | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/index.html b/index.html
index 269b503..16473d9 100644
--- a/index.html
+++ b/index.html
@@ -257,7 +257,15 @@
             (isValid ? document.querySelector('form') : document.querySelector('section')).classList.add('hidden');
         };
 
+        // when all apps can generate invite links internally, we may decide to remove on-site generator
+        // and instead show a page with instructions how to generate links in Delta Chat
         function textareaInput(inputData) {
+            // be idempotent: allow pasting a already generated invite-link to the generator (esp. if generated by the app)
+            if (inputData.startsWith('https://i.delta.chat')) {
+                inputData = inputData.replace(/https:\/\/i.delta.chat\/?#/, '')
+                inputData = inputData.replace(/&/, '#')
+            }
+
             // '#' may be wrongly encoded to '%23' by Safari/iOS; convert it back. see issue #16
             if (inputData.indexOf('#') == -1) {
                 inputData = inputData.replace(/%23/, '#')