Fix bug causing note delimiter to be copied if "moveLineUp" command was executed with the first line selected

heynote-codemirror/src/block/commands.js

@@ -1,5 +1,8 @@
 import { EditorView } from "@codemirror/view"
-import { selectAll as defaultSelectAll } from "@codemirror/commands"
+import { 
+    selectAll as defaultSelectAll, 
+    moveLineUp as defaultMoveLineUp,
+} from "@codemirror/commands"
 import { blockState } from "./note-block"
 
 
@@ -18,7 +21,6 @@ export const insertNewNote = ({ state, dispatch }) => {
     return true;
 }
 
-
 export const selectAll = ({ state, dispatch }) => {
     // find which block the cursor is in
     const range = state.selection.asSingle().ranges[0]
@@ -37,3 +39,15 @@ export const selectAll = ({ state, dispatch }) => {
     return true
 }
 
+/**
+ * Prevent moveLineUp from executing if any cursor is on the first line of the first note
+ */
+export function moveLineUp({ state, dispatch }) {
+    if (state.selection.ranges.some(range => {
+        let startLine = state.doc.lineAt(range.from)
+        return startLine.from <= state.facet(blockState)[0].content.from
+    })) {
+        return true;
+    }
+    return defaultMoveLineUp({state, dispatch})
+}

heynote-codemirror/src/editor.js

@@ -7,7 +7,7 @@ import { nord } from "./theme/nord.mjs"
 import { customSetup } from "./setup.js"
 import { heynoteLang } from "./lang-heynote/heynote.js"
 import { noteBlockExtension } from "./block/note-block.js"
-import { insertNewNote, selectAll } from "./block/commands.js";
+import { insertNewNote, moveLineUp, selectAll } from "./block/commands.js";
 
 
 export class HeynoteEditor {
@@ -48,6 +48,11 @@ export class HeynoteEditor {
                         preventDefault: true,
                         run: selectAll,
                     },
+                    {
+                        key: "Alt-ArrowUp",
+                        preventDefault: true,
+                        run: moveLineUp,
+                    }
                 ]),
 
                 customSetup,