feat(react/widgets): port left pane toggle

apps/client/src/widgets/buttons/left_pane_toggle.tsx

@@ -0,0 +1,29 @@
+import { useEffect, useState } from "preact/hooks";
+import ActionButton from "../react/ActionButton";
+import options from "../../services/options";
+import { t } from "../../services/i18n";
+import { useTriliumEvent } from "../react/hooks";
+import resizer from "../../services/resizer";
+
+export default function LeftPaneToggle({ isHorizontalLayout }: { isHorizontalLayout: boolean }) {
+    const [ currentLeftPaneVisible, setCurrentLeftPaneVisible ] = useState(options.is("leftPaneVisible"));
+
+    useTriliumEvent("setLeftPaneVisibility", ({ leftPaneVisible }) => {
+        setCurrentLeftPaneVisible(leftPaneVisible ?? !currentLeftPaneVisible);
+    });
+
+    useEffect(() => {
+        resizer.setupLeftPaneResizer(currentLeftPaneVisible);
+    }, [ currentLeftPaneVisible ]);
+
+    return (
+        <ActionButton
+            className={`${isHorizontalLayout ? "toggle-button" : "launcher-button"}`}
+            text={currentLeftPaneVisible ? t("left_pane_toggle.hide_panel") : t("left_pane_toggle.show_panel")}
+            triggerCommand={currentLeftPaneVisible ? "hideLeftPane" : "showLeftPane"}
+            icon={isHorizontalLayout
+                ? "bx bx-sidebar"
+                : (currentLeftPaneVisible ? "bx bx-chevrons-left" : "bx bx-chevrons-right" )}
+        />
+    )
+}