fix: make canBeUsed non async

src/modules/tts-modes/azure.ts

@@ -34,7 +34,7 @@ class AzureTTS implements TTSModule {
 		return { data: Buffer.concat(buffers) };
 	}
 
-	async canBeUsed(): Promise<boolean> {
+	canBeUsed(): boolean {
 		return true;
 	}
 }

src/modules/tts-modes/google.ts

@@ -45,7 +45,7 @@ const ttsGoogle: TTSModule = {
 		});
 	},
 
-	async canBeUsed(): Promise<boolean> {
+	canBeUsed(): boolean {
 		return true;
 	}
 };

src/modules/tts-modes/none.ts

@@ -5,6 +5,9 @@ const ttsNone: TTSModule = {
 	getVoices: async (): Promise<Array<string>> => [],
 	generate: async (): Promise<TTSResponse> => {
 		return { data: Buffer.from([]) };
+	},
+	canBeUsed: (): boolean => {
+		return true;
 	}
 };
 

src/modules/tts-modes/polly.ts

@@ -82,7 +82,7 @@ class PollyTTS implements TTSModule {
 		return {};
 	}
 
-	async canBeUsed(): Promise<boolean> {
+	canBeUsed(): boolean {
 		if (!config.aws_access_id || !config.aws_access_key)
 			return false;
 		return true;

src/modules/tts.ts

@@ -14,7 +14,7 @@ export interface TTSModule {
 	defaultVoice?: string;
 	getVoices: () => Promise<Array<string> | undefined>;
 	generate: (voice: string, text: string) => Promise<TTSResponse>;
-	canBeUsed: () => Promise<boolean>;
+	canBeUsed: () => boolean;
 }
 
 export class TTSManager {