feat(mgrcd-io-fsa): add functions about voices

packages/mgrcd-io-fsa/src/index.ts

@@ -1,3 +1,4 @@
 export * from "./image";
 export * from "./model";
 export * from "./scenario";
+export * from "./voice";

packages/mgrcd-io-fsa/src/voice.ts

@@ -0,0 +1,36 @@
+const voiceDirectoryPath = ["sound_native", "voice"] as const;
+const fullVoiceDirectoryPath = ["sound_native", "fullVoice"] as const;
+
+export async function* getVoiceFiles(
+  resourceDirectory: FileSystemDirectoryHandle,
+) {
+  const voiceDirectory = await voiceDirectoryPath.reduce(
+    async (directory, name) => (await directory).getDirectoryHandle(name),
+    Promise.resolve(resourceDirectory),
+  );
+  for await (const [name, entry] of voiceDirectory.entries()) {
+    if (/\.hca/.test(name) && entry instanceof FileSystemFileHandle) {
+      yield [name, entry] as [
+        name: typeof name,
+        file: typeof entry,
+      ];
+    }
+  }
+}
+
+export async function* getFullVoiceFiles(
+  resourceDirectory: FileSystemDirectoryHandle,
+) {
+  const fullVoiceDirectory = await fullVoiceDirectoryPath.reduce(
+    async (directory, name) => (await directory).getDirectoryHandle(name),
+    Promise.resolve(resourceDirectory),
+  );
+  for await (const [name, entry] of fullVoiceDirectory.entries()) {
+    if (/\.hca/.test(name) && entry instanceof FileSystemFileHandle) {
+      yield [name, entry] as [
+        name: typeof name,
+        file: typeof entry,
+      ];
+    }
+  }
+}