docs: add TSDoc for audio sharing exported symbols

Author: JoaoCostaIFG

src/@types/audio-sharing.d.ts

@@ -9,7 +9,9 @@ import type { Node } from "@vencord/venmic";
 
 /** User's audio source selection from the audio picker. */
 export interface AudioSelection {
+    /** The type of audio source: "none" (no audio), "system" (all system audio), or "app" (specific application). */
     type: "none" | "system" | "app";
+    /** The PipeWire node to capture audio from. Only set when type is "app". */
     node?: Node;
 }
 

src/displayMediaCallback.ts

@@ -20,10 +20,18 @@ export const setDisplayMediaCallback = (callback: DisplayMediaCallback | null):
     displayMediaCallback = callback;
 };
 
+/**
+ * Get whether audio was requested for the current display media callback.
+ * Used to determine if the audio picker should be shown on Linux.
+ */
 export const getAudioRequested = (): boolean => {
     return audioRequested;
 };
 
+/**
+ * Set whether audio was requested for the current display media callback.
+ * @param requested - Whether audio sharing was requested
+ */
 export const setAudioRequested = (requested: boolean): void => {
     audioRequested = requested;
 };