Implemented strict linting standards and prettier formatting config. (#248)

* Implemented strict linting standards and prettier formatting config.

* More linter fixes and type updates.

* More linter updates and type fixes

* Remove noisy comments

* Linter and type updates

* Linter, formatting and type updates.

* Linter updates

* Type updates

* Type updates

* fixed all linter errors

* Fixed all linting, formatting and type issues.

* Resolve merge conflicts.

widget/settings/shared/components/enum.ts

@@ -0,0 +1,36 @@
+import { Opt } from 'lib/option';
+import { BoxWidget } from 'lib/types/widget';
+import icons from 'lib/icons';
+import { Box } from 'types/@girs/gtk-3.0/gtk-3.0.cjs';
+
+export const enumInputter = <T extends string | number | boolean | object>(
+    self: BoxWidget,
+    opt: Opt<T>,
+    values: T[],
+): Box => {
+    const lbl = Widget.Label({ label: opt.bind().as((v) => `${v}`) });
+    const step = (dir: 1 | -1): void => {
+        const i = values.findIndex((i) => i === lbl.label);
+        opt.setValue(
+            dir > 0
+                ? i + dir > values.length - 1
+                    ? values[0]
+                    : values[i + dir]
+                : i + dir < 0
+                  ? values[values.length - 1]
+                  : values[i + dir],
+        );
+    };
+    const next = Widget.Button({
+        child: Widget.Icon(icons.ui.arrow.right),
+        on_clicked: () => step(+1),
+    });
+    const prev = Widget.Button({
+        child: Widget.Icon(icons.ui.arrow.left),
+        on_clicked: () => step(-1),
+    });
+    return (self.child = Widget.Box({
+        class_name: 'enum-setter',
+        children: [lbl, prev, next],
+    }));
+};