Fix Windows mpv logging and add log export (#88)

src/core/services/yomitan-extension-copy.ts

@@ -14,6 +14,10 @@ type ExtensionCopyResult = {
   copied: boolean;
 };
 
+type ExtensionCopyOptions = {
+  platform?: NodeJS.Platform;
+};
+
 const asyncExtensionCopyInFlight = new Map<string, Promise<ExtensionCopyResult>>();
 
 function readManifestVersion(manifestPath: string): string | null {
@@ -142,8 +146,12 @@ export function shouldCopyYomitanExtension(sourceDir: string, targetDir: string)
   return sourceHash === null || targetHash === null || sourceHash !== targetHash;
 }
 
-export function ensureExtensionCopy(sourceDir: string, userDataPath: string): ExtensionCopyResult {
-  if (process.platform === 'win32') {
+export function ensureExtensionCopy(
+  sourceDir: string,
+  userDataPath: string,
+  options?: ExtensionCopyOptions,
+): ExtensionCopyResult {
+  if ((options?.platform ?? process.platform) === 'win32') {
     return { targetDir: sourceDir, copied: false };
   }
 
@@ -167,8 +175,9 @@ export function ensureExtensionCopy(sourceDir: string, userDataPath: string): Ex
 export async function ensureExtensionCopyAsync(
   sourceDir: string,
   userDataPath: string,
+  options?: ExtensionCopyOptions,
 ): Promise<ExtensionCopyResult> {
-  if (process.platform === 'win32') {
+  if ((options?.platform ?? process.platform) === 'win32') {
     return { targetDir: sourceDir, copied: false };
   }