refactor: extract mpv ipc dependency builder service

src/core/services/mpv-client-deps-runtime-service.test.ts

@@ -0,0 +1,51 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { createMpvIpcClientDepsRuntimeService } from "./mpv-client-deps-runtime-service";
+
+test("createMpvIpcClientDepsRuntimeService returns passthrough dep object", async () => {
+  const marker = {
+    getResolvedConfig: () => ({ auto_start_overlay: false } as never),
+    autoStartOverlay: true,
+    setOverlayVisible: () => {},
+    shouldBindVisibleOverlayToMpvSubVisibility: () => true,
+    isVisibleOverlayVisible: () => false,
+    getReconnectTimer: () => null,
+    setReconnectTimer: () => {},
+    getCurrentSubText: () => "x",
+    setCurrentSubText: () => {},
+    setCurrentSubAssText: () => {},
+    getSubtitleTimingTracker: () => null,
+    subtitleWsBroadcast: () => {},
+    getOverlayWindowsCount: () => 0,
+    tokenizeSubtitle: async () => ({ text: "x", tokens: [], mergedTokens: [] }),
+    broadcastToOverlayWindows: () => {},
+    updateCurrentMediaPath: () => {},
+    updateMpvSubtitleRenderMetrics: () => {},
+    getMpvSubtitleRenderMetrics: () => ({
+      subPos: 100,
+      subFontSize: 40,
+      subScale: 1,
+      subMarginY: 0,
+      subMarginX: 0,
+      subFont: "sans",
+      subSpacing: 0,
+      subBold: false,
+      subItalic: false,
+      subBorderSize: 0,
+      subShadowOffset: 0,
+      subAssOverride: "yes",
+      subScaleByWindow: true,
+      subUseMargins: true,
+      osdHeight: 720,
+      osdDimensions: null,
+    }),
+    setPreviousSecondarySubVisibility: () => {},
+    showMpvOsd: () => {},
+  };
+
+  const deps = createMpvIpcClientDepsRuntimeService(marker);
+  assert.equal(deps.autoStartOverlay, true);
+  assert.equal(deps.getCurrentSubText(), "x");
+  assert.equal(deps.getOverlayWindowsCount(), 0);
+  assert.equal(deps.shouldBindVisibleOverlayToMpvSubVisibility(), true);
+});

src/core/services/mpv-client-deps-runtime-service.ts

@@ -0,0 +1,61 @@
+import {
+  MpvIpcClientDeps,
+} from "./mpv-service";
+import { Config, MpvSubtitleRenderMetrics, SubtitleData } from "../../types";
+
+interface SubtitleTimingTrackerLike {
+  recordSubtitle: (text: string, start: number, end: number) => void;
+}
+
+export interface MpvClientDepsRuntimeOptions {
+  getResolvedConfig: () => Config;
+  autoStartOverlay: boolean;
+  setOverlayVisible: (visible: boolean) => void;
+  shouldBindVisibleOverlayToMpvSubVisibility: () => boolean;
+  isVisibleOverlayVisible: () => boolean;
+  getReconnectTimer: () => ReturnType<typeof setTimeout> | null;
+  setReconnectTimer: (timer: ReturnType<typeof setTimeout> | null) => void;
+  getCurrentSubText: () => string;
+  setCurrentSubText: (text: string) => void;
+  setCurrentSubAssText: (text: string) => void;
+  getSubtitleTimingTracker: () => SubtitleTimingTrackerLike | null;
+  subtitleWsBroadcast: (text: string) => void;
+  getOverlayWindowsCount: () => number;
+  tokenizeSubtitle: (text: string) => Promise<SubtitleData>;
+  broadcastToOverlayWindows: (channel: string, ...args: unknown[]) => void;
+  updateCurrentMediaPath: (mediaPath: unknown) => void;
+  updateMpvSubtitleRenderMetrics: (
+    patch: Partial<MpvSubtitleRenderMetrics>,
+  ) => void;
+  getMpvSubtitleRenderMetrics: () => MpvSubtitleRenderMetrics;
+  setPreviousSecondarySubVisibility: (value: boolean | null) => void;
+  showMpvOsd: (text: string) => void;
+}
+
+export function createMpvIpcClientDepsRuntimeService(
+  options: MpvClientDepsRuntimeOptions,
+): MpvIpcClientDeps {
+  return {
+    getResolvedConfig: options.getResolvedConfig,
+    autoStartOverlay: options.autoStartOverlay,
+    setOverlayVisible: options.setOverlayVisible,
+    shouldBindVisibleOverlayToMpvSubVisibility:
+      options.shouldBindVisibleOverlayToMpvSubVisibility,
+    isVisibleOverlayVisible: options.isVisibleOverlayVisible,
+    getReconnectTimer: options.getReconnectTimer,
+    setReconnectTimer: options.setReconnectTimer,
+    getCurrentSubText: options.getCurrentSubText,
+    setCurrentSubText: options.setCurrentSubText,
+    setCurrentSubAssText: options.setCurrentSubAssText,
+    getSubtitleTimingTracker: options.getSubtitleTimingTracker,
+    subtitleWsBroadcast: options.subtitleWsBroadcast,
+    getOverlayWindowsCount: options.getOverlayWindowsCount,
+    tokenizeSubtitle: options.tokenizeSubtitle,
+    broadcastToOverlayWindows: options.broadcastToOverlayWindows,
+    updateCurrentMediaPath: options.updateCurrentMediaPath,
+    updateMpvSubtitleRenderMetrics: options.updateMpvSubtitleRenderMetrics,
+    getMpvSubtitleRenderMetrics: options.getMpvSubtitleRenderMetrics,
+    setPreviousSecondarySubVisibility: options.setPreviousSecondarySubVisibility,
+    showMpvOsd: options.showMpvOsd,
+  };
+}

src/main.ts

@@ -203,6 +203,7 @@ import {
 } from "./core/services/overlay-broadcast-runtime-service";
 import { runAppReadyRuntimeService } from "./core/services/app-ready-runtime-service";
 import { runAppShutdownRuntimeService } from "./core/services/app-shutdown-runtime-service";
+import { createMpvIpcClientDepsRuntimeService } from "./core/services/mpv-client-deps-runtime-service";
 import {
   runSubsyncManualFromIpcRuntimeService,
   triggerSubsyncFromConfigRuntimeService,
@@ -495,19 +496,50 @@ if (initialArgs.generateConfig && !shouldStartApp(initialArgs)) {
           keybindings = resolveKeybindings(getResolvedConfig(), DEFAULT_KEYBINDINGS);
         },
         createMpvClient: () => {
-          mpvClient = new MpvIpcClient(mpvSocketPath, {
-            getResolvedConfig: () => getResolvedConfig(), autoStartOverlay,
-            setOverlayVisible: (visible) => setOverlayVisible(visible),
-            shouldBindVisibleOverlayToMpvSubVisibility: () => shouldBindVisibleOverlayToMpvSubVisibility(),
-            isVisibleOverlayVisible: () => visibleOverlayVisible,
-            getReconnectTimer: () => reconnectTimer, setReconnectTimer: (timer) => { reconnectTimer = timer; },
-            getCurrentSubText: () => currentSubText, setCurrentSubText: (text) => { currentSubText = text; }, setCurrentSubAssText: (text) => { currentSubAssText = text; },
-            getSubtitleTimingTracker: () => subtitleTimingTracker, subtitleWsBroadcast: (text) => { subtitleWsService.broadcast(text); },
-            getOverlayWindowsCount: () => getOverlayWindows().length, tokenizeSubtitle: (text) => tokenizeSubtitle(text),
-            broadcastToOverlayWindows: (channel, ...args) => { broadcastToOverlayWindows(channel, ...args); },
-            updateCurrentMediaPath: (mediaPath) => { updateCurrentMediaPath(mediaPath); }, updateMpvSubtitleRenderMetrics: (patch) => { updateMpvSubtitleRenderMetrics(patch); },
-            getMpvSubtitleRenderMetrics: () => mpvSubtitleRenderMetrics, setPreviousSecondarySubVisibility: (value) => { previousSecondarySubVisibility = value; }, showMpvOsd: (text) => { showMpvOsd(text); },
-          });
+          mpvClient = new MpvIpcClient(
+            mpvSocketPath,
+            createMpvIpcClientDepsRuntimeService({
+              getResolvedConfig: () => getResolvedConfig(),
+              autoStartOverlay,
+              setOverlayVisible: (visible) => setOverlayVisible(visible),
+              shouldBindVisibleOverlayToMpvSubVisibility: () =>
+                shouldBindVisibleOverlayToMpvSubVisibility(),
+              isVisibleOverlayVisible: () => visibleOverlayVisible,
+              getReconnectTimer: () => reconnectTimer,
+              setReconnectTimer: (timer) => {
+                reconnectTimer = timer;
+              },
+              getCurrentSubText: () => currentSubText,
+              setCurrentSubText: (text) => {
+                currentSubText = text;
+              },
+              setCurrentSubAssText: (text) => {
+                currentSubAssText = text;
+              },
+              getSubtitleTimingTracker: () => subtitleTimingTracker,
+              subtitleWsBroadcast: (text) => {
+                subtitleWsService.broadcast(text);
+              },
+              getOverlayWindowsCount: () => getOverlayWindows().length,
+              tokenizeSubtitle: (text) => tokenizeSubtitle(text),
+              broadcastToOverlayWindows: (channel, ...args) => {
+                broadcastToOverlayWindows(channel, ...args);
+              },
+              updateCurrentMediaPath: (mediaPath) => {
+                updateCurrentMediaPath(mediaPath);
+              },
+              updateMpvSubtitleRenderMetrics: (patch) => {
+                updateMpvSubtitleRenderMetrics(patch);
+              },
+              getMpvSubtitleRenderMetrics: () => mpvSubtitleRenderMetrics,
+              setPreviousSecondarySubVisibility: (value) => {
+                previousSecondarySubVisibility = value;
+              },
+              showMpvOsd: (text) => {
+                showMpvOsd(text);
+              },
+            }),
+          );
         },
         reloadConfig: () => {
           configService.reloadConfig();