diff --git a/static/player/mode.ts b/static/player/mode.ts
index 9a8cbb7..fcd53f2 100644
--- a/static/player/mode.ts
+++ b/static/player/mode.ts
@@ -1,16 +1,21 @@
 import type { ModeSource } from "./types";
-import { state } from "./state";
+
 import { showControls } from "./controls";
-import { updateSubtitleOptions } from "./subtitles";
 import { updateQualityOptions } from "./quality";
-import { safeLocalStorage } from "./storage";
 import { streamUrlForMode } from "./source";
-import { loadVideoSource } from "./video";
+import { state } from "./state";
+import { safeLocalStorage } from "./storage";
+import { updateSubtitleOptions } from "./subtitles";
 import { isRecord, parseModeSources } from "./validate";
+import { loadVideoSource } from "./video";
 
 const alternateModeFor = (mode: string): "sub" | "dub" | null => {
-  if (mode === "sub") return "dub";
-  if (mode === "dub") return "sub";
+  if (mode === "sub") {
+    return "dub";
+  }
+  if (mode === "dub") {
+    return "sub";
+  }
   return null;
 };
 
@@ -23,10 +28,14 @@ const fetchModeSource = async (
     `/api/watch/episode/${state.episode.malID}/${encodeURIComponent(episode)}?mode=${encodeURIComponent(mode)}`,
     { signal },
   );
-  if (!res.ok) throw new Error(`mode source request failed with status ${res.status}`);
+  if (!res.ok) {
+    throw new Error(`mode source request failed with status ${res.status}`);
+  }
 
   const data: unknown = await res.json();
-  if (!isRecord(data)) return null;
+  if (!isRecord(data)) {
+    return null;
+  }
 
   const sources = parseModeSources(data.mode_sources);
   return sources[mode] ?? null;
@@ -35,7 +44,9 @@ const fetchModeSource = async (
 export const ensurePreferredModeSource = async (signal?: AbortSignal): Promise<string> => {
   const storedMode = safeLocalStorage.getItem("player-audio-mode");
   const preferredMode = storedMode === "sub" || storedMode === "dub" ? storedMode : null;
-  if (!preferredMode) return state.playback.currentMode;
+  if (!preferredMode) {
+    return state.playback.currentMode;
+  }
   if (state.playback.modeSources[preferredMode]?.token) {
     state.playback.currentMode = preferredMode;
     return preferredMode;
@@ -43,7 +54,9 @@ export const ensurePreferredModeSource = async (signal?: AbortSignal): Promise<s
 
   try {
     const preferredSource = await fetchModeSource(state.episode.current, preferredMode, signal);
-    if (!preferredSource?.token) return state.playback.currentMode;
+    if (!preferredSource?.token) {
+      return state.playback.currentMode;
+    }
 
     state.playback.modeSources = {
       ...state.playback.modeSources,
@@ -62,12 +75,18 @@ export const ensurePreferredModeSource = async (signal?: AbortSignal): Promise<s
 
 export const hydrateAlternateMode = async (signal?: AbortSignal): Promise<void> => {
   const alternateMode = alternateModeFor(state.playback.currentMode);
-  if (!alternateMode) return;
-  if (state.playback.modeSources[alternateMode]?.token) return;
+  if (!alternateMode) {
+    return;
+  }
+  if (state.playback.modeSources[alternateMode]?.token) {
+    return;
+  }
 
   try {
     const alternateSource = await fetchModeSource(state.episode.current, alternateMode, signal);
-    if (!alternateSource?.token) return;
+    if (!alternateSource?.token) {
+      return;
+    }
 
     state.playback.modeSources = {
       ...state.playback.modeSources,
@@ -78,17 +97,18 @@ export const hydrateAlternateMode = async (signal?: AbortSignal): Promise<void>
     updateQualityOptions();
     updateModeButtons();
   } catch (error: unknown) {
-    if (error instanceof DOMException && error.name === "AbortError") return;
+    if (error instanceof DOMException && error.name === "AbortError") {
+      return;
+    }
     console.error("failed to hydrate alternate mode:", error);
   }
 };
 
-/**
- * Switches between sub/dub mode.
- * Saves preference to localStorage, reloads video src.
- */
+/** Switches between sub/dub mode. Saves preference to localStorage, reloads video src. */
 const switchMode = (mode: string): void => {
-  if (!state.playback.availableModes.includes(mode) || mode === state.playback.currentMode) return;
+  if (!state.playback.availableModes.includes(mode) || mode === state.playback.currentMode) {
+    return;
+  }
   state.playback.currentMode = mode;
   safeLocalStorage.setItem("player-audio-mode", mode);
   const qualitySelect = state.elements.container.querySelector(
@@ -104,9 +124,13 @@ const switchMode = (mode: string): void => {
     const expectedMode = mode;
     const resumeSeconds = state.elements.video.currentTime;
     window.setTimeout(() => {
-      if (!expectedToken) return;
+      if (!expectedToken) {
+        return;
+      }
       const currentSrc = state.elements.video.currentSrc || state.elements.video.src || "";
-      if (currentSrc.includes(`token=${encodeURIComponent(expectedToken)}`)) return;
+      if (currentSrc.includes(`token=${encodeURIComponent(expectedToken)}`)) {
+        return;
+      }
 
       try {
         sessionStorage.setItem("mal:resume-after-mode-switch", String(resumeSeconds));
@@ -123,10 +147,7 @@ const switchMode = (mode: string): void => {
   updateModeButtons();
 };
 
-/**
- * Updates dub/sub button styling based on current mode.
- * Disables unavailable modes.
- */
+/** Updates dub/sub button styling based on current mode. Disables unavailable modes. */
 export const updateModeButtons = (): void => {
   const dub = state.elements.container.querySelector("[data-mode-dub]") as HTMLButtonElement | null;
   const sub = state.elements.container.querySelector("[data-mode-sub]") as HTMLButtonElement | null;
@@ -149,9 +170,7 @@ export const updateModeButtons = (): void => {
   }
 };
 
-/**
- * Binds click handlers for mode buttons and autoplay toggle.
- */
+/** Binds click handlers for mode buttons and autoplay toggle. */
 export const setupMode = (): void => {
   const dub = state.elements.container.querySelector("[data-mode-dub]") as HTMLButtonElement | null;
   const sub = state.elements.container.querySelector("[data-mode-sub]") as HTMLButtonElement | null;