feat(core): add Electron runtime, services, and app composition

src/main/runtime/mpv-client-runtime-service.ts

@@ -0,0 +1,37 @@
+import type { Config } from '../../types';
+
+export type MpvClientRuntimeServiceOptions = {
+  getResolvedConfig: () => Config;
+  autoStartOverlay: boolean;
+  setOverlayVisible: (visible: boolean) => void;
+  shouldBindVisibleOverlayToMpvSubVisibility: () => boolean;
+  isVisibleOverlayVisible: () => boolean;
+  getReconnectTimer: () => ReturnType<typeof setTimeout> | null;
+  setReconnectTimer: (timer: ReturnType<typeof setTimeout> | null) => void;
+};
+
+type MpvClientLike = {
+  connect: () => void;
+};
+
+type MpvClientCtor<
+  TClient extends MpvClientLike,
+  TOptions extends MpvClientRuntimeServiceOptions,
+> = new (socketPath: string, options: TOptions) => TClient;
+
+export function createMpvClientRuntimeServiceFactory<
+  TClient extends MpvClientLike,
+  TOptions extends MpvClientRuntimeServiceOptions,
+>(deps: {
+  createClient: MpvClientCtor<TClient, TOptions>;
+  socketPath: string;
+  options: TOptions;
+  bindEventHandlers: (client: TClient) => void;
+}) {
+  return (): TClient => {
+    const mpvClient = new deps.createClient(deps.socketPath, deps.options);
+    deps.bindEventHandlers(mpvClient);
+    mpvClient.connect();
+    return mpvClient;
+  };
+}