fix: [FS-12201] .m4a files mime type from audio/x-m4a to audio/mp4 (#600)

Author: sethk4783

src/lib/utils/extensions.ts

@@ -953,4 +953,5 @@ export const ExtensionsMap = {
   'application/x-typescript': 'ts',
   'application/x-java-archive': 'jar',
   'application/x-sharedlib': 'so',
+  'image/avif': 'avif',
 };

src/lib/utils/index.ts

@@ -101,16 +101,16 @@ export const uniqueId = (len: number = 10): string => {
  * @param {Uint8Array | Buffer} file
  * @returns {string} - mimetype
  */
-export const getMimetype = async(file: Uint8Array | Buffer, name?: string): Promise<string> => {
+export const getMimetype = async (file: Uint8Array | Buffer, name?: string): Promise<string> => {
   let type;
 
   try {
     type = await fromBuffer(file);
-  } catch(e) {
-    console.warn("An exception occurred while processing the buffer:", e.message);
+  } catch (e) {
+    console.warn('An exception occurred while processing the buffer:', e.message);
   }
 
-  const excludedMimetypes = ['text/plain', 'application/octet-stream', 'application/x-ms', 'application/x-msi', 'application/zip'];
+  const excludedMimetypes = ['text/plain', 'application/octet-stream', 'application/x-ms', 'application/x-msi', 'application/zip', 'audio/x-m4a'];
 
   if (type && excludedMimetypes.indexOf(type.mime) === -1) {
     return type.mime;
@@ -182,9 +182,9 @@ export const extensionToMime = (ext: string) => {
 export type SanitizeOptions =
   | boolean
   | {
-    exclude?: string[];
-    replacement?: string;
-  };
+      exclude?: string[];
+      replacement?: string;
+    };
 
 /**
  * Sanitize file name