Add Fold: Toggle Fold command

common/deps.ts

@@ -94,6 +94,7 @@ export {
   StreamLanguage,
   syntaxHighlighting,
   syntaxTree,
+  toggleFold,
   unfoldAll,
   unfoldCode,
 } from "@codemirror/language";

plug-api/silverbullet-syscall/editor.ts

@@ -139,6 +139,10 @@ export function unfold() {
   return syscall("editor.unfold");
 }
 
+export function toggleFold() {
+  return syscall("editor.toggleFold");
+}
+
 export function foldAll() {
   return syscall("editor.foldAll");
 }

plugs/core/core.plug.yaml

@@ -382,6 +382,12 @@ functions:
       name: "Fold: Unfold"
       mac: "Cmd-Alt-]"
       key: "Ctrl-Shift-]"
+  toggleFoldCommand:
+    path: ./editor.ts:toggleFoldCommand
+    command:
+      name: "Fold: Toggle Fold"
+      mac: "Cmd-Alt-f"
+      key: "Ctrl-Shift-f"
   foldAllCommand:
     path: ./editor.ts:foldAllCommand
     command:

plugs/core/editor.ts

@@ -26,6 +26,10 @@ export async function unfoldCommand() {
   await editor.unfold();
 }
 
+export async function toggleFoldCommand() {
+  await editor.toggleFold();
+}
+
 export async function foldAllCommand() {
   await editor.foldAll();
 }

web/syscalls/editor.ts

@@ -3,6 +3,7 @@ import {
   EditorView,
   foldAll,
   foldCode,
+  toggleFold,
   Transaction,
   unfoldAll,
   unfoldCode,
@@ -188,6 +189,9 @@ export function editorSyscalls(editor: Editor): SysCallMapping {
     "editor.unfold": () => {
       unfoldCode(editor.editorView!);
     },
+    "editor.toggleFold": () => {
+      toggleFold(editor.editorView!);
+    },
     "editor.foldAll": () => {
       foldAll(editor.editorView!);
     },