feat(react/settings): port date time format

apps/client/src/widgets/react/KeyboardShortcut.tsx

@@ -0,0 +1,33 @@
+import { ActionKeyboardShortcut, KeyboardActionNames } from "@triliumnext/commons";
+import { useEffect, useState } from "preact/hooks";
+import keyboard_actions from "../../services/keyboard_actions";
+
+interface KeyboardShortcutProps {
+    actionName: KeyboardActionNames;
+}
+
+export default function KeyboardShortcut({ actionName }: KeyboardShortcutProps) {
+
+    const [ action, setAction ] = useState<ActionKeyboardShortcut>();
+    useEffect(() => {
+        keyboard_actions.getAction(actionName).then(setAction);
+    }, []);
+
+    if (!action) {
+        return <></>;
+    }
+
+    return (
+        <>
+            {action.effectiveShortcuts?.map((shortcut, i) => {
+                const keys = shortcut.split("+");
+                return keys
+                    .map((key, i) => (
+                        <>
+                            <kbd>{key}</kbd> {i + 1 < keys.length && "+ "}
+                        </>
+                    ))
+            }).reduce<any>((acc, item) => (acc.length ? [...acc, ", ", item] : [item]), [])}
+        </>
+    );
+}