fix comments

src/components/TabSelector/getBackground/types.ts

@@ -1,15 +1,46 @@
 import type {Animated} from 'react-native';
 import type {ThemeColors} from '@styles/theme/types';
 
+/**
+ * Configuration for the getBackgroundColor function.
+ */
 type GetBackgroudColorConfig = {
+    /**
+     * The number of routes.
+     */
     routesLength: number;
+
+    /**
+     * The index of the current tab.
+     */
     tabIndex: number;
+
+    /**
+     * The indices of the affected tabs.
+     */
     affectedTabs: number[];
+
+    /**
+     * The theme colors.
+     */
     theme: ThemeColors;
-    position?: Animated.AnimatedInterpolation<number>;
-    isActive?: boolean;
+
+    /**
+     * The animated position interpolation.
+     */
+    position: Animated.AnimatedInterpolation<number>;
+
+    /**
+     * Whether the tab is active.
+     */
+    isActive: boolean;
 };
 
+/**
+ * Function to get the background color.
+ * @param args - The configuration for the background color.
+ * @returns The interpolated background color or a string.
+ */
 type GetBackgroudColor = (args: GetBackgroudColorConfig) => Animated.AnimatedInterpolation<string> | string;
 
 export default GetBackgroudColor;

src/components/TabSelector/getOpacity/types.ts

@@ -1,14 +1,45 @@
 import type {Animated} from 'react-native';
 
+/**
+ * Configuration for the getOpacity function.
+ */
 type GetOpacityConfig = {
+    /**
+     * The number of routes in the tab bar.
+     */
     routesLength: number;
+
+    /**
+     * The index of the tab.
+     */
     tabIndex: number;
+
+    /**
+     * Whether we are calculating the opacity for the active tab.
+     */
     active: boolean;
+
+    /**
+     * The indexes of the tabs that are affected by the animation.
+     */
     affectedTabs: number[];
-    position?: Animated.AnimatedInterpolation<number>;
-    isActive?: boolean;
+
+    /**
+     * Scene's position, value which we would like to interpolate.
+     */
+    position: Animated.AnimatedInterpolation<number>;
+
+    /**
+     * Whether the tab is active.
+     */
+    isActive: boolean;
 };
 
-type GetOpacity = (args: GetOpacityConfig) => 1 | 0 | Animated.AnimatedInterpolation<number> | undefined;
+/**
+ * Function to get the opacity.
+ * @param args - The configuration for the opacity.
+ * @returns The interpolated opacity or a fixed value (1 or 0).
+ */
+type GetOpacity = (args: GetOpacityConfig) => 1 | 0 | Animated.AnimatedInterpolation<number>;
 
 export default GetOpacity;