Add direct download for session/chat history JSONs

css/save_files.js

@@ -0,0 +1,40 @@
+// Functions for downloading JSON files
+function getCurrentTimestamp() {
+    const now = new Date();
+    const timezoneOffset = now.getTimezoneOffset() * 60000; // Convert to milliseconds
+    const localTime = new Date(now.getTime() - timezoneOffset);
+    const formattedTimestamp = localTime.toISOString().replace(/[-:]/g, '').slice(0, 15);
+    return formattedTimestamp;
+}
+
+function saveFile(contents, filename) {
+    const element = document.createElement('a');
+    element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(contents));
+    element.setAttribute('download', filename);
+    element.style.display = 'none';
+    document.body.appendChild(element);
+    element.click();
+    document.body.removeChild(element);
+}
+
+function saveHistory(history, character, mode) {
+    let path = null;
+
+    if (['chat', 'chat-instruct'].includes(mode) && character && character.trim() !== '') {
+        path = `history_${character}_${getCurrentTimestamp()}.json`;
+    } else {
+        try {
+            path = `history_${mode}_${getCurrentTimestamp()}.json`;
+        } catch (error) {
+            path = `history_${getCurrentTimestamp()}.json`;
+        }
+    }
+    saveFile(history, path);
+}
+
+function saveSession(session, mode) {
+    let path = null;
+
+    path = `session_${mode}_${getCurrentTimestamp()}.json`;
+    saveFile(session, path);
+}