From 748023ade44e9b3d291dccc2459332f87f8c551c Mon Sep 17 00:00:00 2001
From: solarkraft <1337470+solarkraft@users.noreply.github.com>
Date: Sat, 23 Oct 2021 00:35:23 +0200
Subject: [PATCH 1/2] Add save command

---
 script/customCommands.js | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/script/customCommands.js b/script/customCommands.js
index 9602a8a7..6e65c3f0 100644
--- a/script/customCommands.js
+++ b/script/customCommands.js
@@ -1,3 +1,5 @@
+import { undoDepth } from 'prosemirror-history';
+
 /**
  * Returns a command that tries to set the selected textblocks to the given node type with the given attributes.
  *
@@ -20,3 +22,21 @@ export function setBlockTypeNoAttrCheck(nodeType, attrs) { // eslint-disable-lin
         return true;
     };
 }
+
+
+/**
+ * Save the document, exiting the editor, if changes have been made
+ */
+export function save(state, dispatch) {
+    // The document should only be save-able if changes have been made
+    if (undoDepth(state) <= 0) return false;
+
+    if (dispatch) {
+        // We don't use the dispatch function because no document state modification will happen
+        // (And using it anyway creates an error)
+
+        const saveButton = document.querySelector('button[name="do[save]"]');
+        saveButton.click();
+    }
+    return true;
+}

From c650ec292e38d6de13d95b965a8e291171308b94 Mon Sep 17 00:00:00 2001
From: solarkraft <1337470+solarkraft@users.noreply.github.com>
Date: Sat, 23 Oct 2021 00:35:34 +0200
Subject: [PATCH 2/2] Bind save command to Mod-Enter

---
 script/plugins/Keymap/keymap.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/script/plugins/Keymap/keymap.js b/script/plugins/Keymap/keymap.js
index 11ce4da6..dc0c45ba 100644
--- a/script/plugins/Keymap/keymap.js
+++ b/script/plugins/Keymap/keymap.js
@@ -2,6 +2,7 @@ import { keymap } from 'prosemirror-keymap';
 import { splitListItem } from 'prosemirror-schema-list';
 import { baseKeymap, chainCommands } from 'prosemirror-commands';
 import { redo, undo } from 'prosemirror-history';
+import { save } from '../../customCommands';
 
 function getKeymapPlugin(schema) {
     // Mac OS has its own typical shortcuts
@@ -10,6 +11,7 @@ function getKeymapPlugin(schema) {
     const customKeymap = {};
 
     customKeymap.Enter = splitListItem(schema.nodes.list_item); // eslint-disable-line import/no-named-as-default-member
+    customKeymap['Mod-Enter'] = save;
 
     const combinedKeymapUnion = Object.keys(customKeymap).reduce((acc, key) => {
         if (baseKeymap[key]) {