From a45d87667fbb8de41a8f629994e0fbb4141f843a Mon Sep 17 00:00:00 2001
From: Felix Roos <flix91@gmail.com>
Date: Thu, 7 Dec 2023 20:17:01 +0100
Subject: [PATCH] fix: update / fork logic

---
 website/src/repl/Repl.jsx |  4 ++--
 website/src/settings.mjs  | 12 ++++++++++--
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/website/src/repl/Repl.jsx b/website/src/repl/Repl.jsx
index 8deaa4f8..3d3117ae 100644
--- a/website/src/repl/Repl.jsx
+++ b/website/src/repl/Repl.jsx
@@ -17,7 +17,7 @@ import { prebake } from './prebake.mjs';
 import * as tunes from './tunes.mjs';
 import PlayCircleIcon from '@heroicons/react/20/solid/PlayCircleIcon';
 import { themes } from './themes.mjs';
-import { settingsMap, useSettings, setLatestCode, updateUserPattern } from '../settings.mjs';
+import { settingsMap, useSettings, setLatestCode, updateUserCode } from '../settings.mjs';
 import Loader from './Loader';
 import { settingPatterns } from '../settings.mjs';
 import { code2hash, hash2code } from './helpers.mjs';
@@ -148,7 +148,7 @@ export function Repl({ embedded = false }) {
         cleanupDraw();
       },
       afterEval: ({ code, meta }) => {
-        updateUserPattern(code);
+        updateUserCode(code);
         setMiniLocations(meta.miniLocations);
         setWidgets(meta.widgets);
         setPending(false);
diff --git a/website/src/settings.mjs b/website/src/settings.mjs
index 2f9feaae..32bad5c1 100644
--- a/website/src/settings.mjs
+++ b/website/src/settings.mjs
@@ -126,14 +126,22 @@ export function renameActivePattern() {
   setActivePattern(newName);
 }
 
-export function updateUserPattern(code) {
+export function updateUserCode(code) {
   const userPatterns = getUserPatterns();
   let activePattern = getSetting('activePattern');
+  // check if code is that of an example tune
+  const [example] = Object.entries(tunes).find(([_, tune]) => tune === code) || [];
+  if (example) {
+    // select example
+    setActivePattern(example);
+    return;
+  }
   if (!activePattern) {
+    // create new user pattern
     activePattern = newUserPattern();
     setActivePattern(activePattern);
   } else if (!!tunes[activePattern] && code !== tunes[activePattern]) {
-    // is example / system pattern
+    // fork example
     activePattern = getNextCloneName(activePattern);
     setActivePattern(activePattern);
   }