refactor(typescript): Use ES6 import & use interface

src/decrypt/tm.ts

@@ -0,0 +1,14 @@
+import {Decrypt as RawDecrypt} from "./raw";
+import {GetArrayBuffer} from "@/decrypt/utils.ts";
+import {DecryptResult} from "@/decrypt/entity";
+
+const TM_HEADER = [0x00, 0x00, 0x00, 0x20, 0x66, 0x74, 0x79, 0x70];
+
+export async function Decrypt(file: File, raw_filename: string): Promise<DecryptResult> {
+    const audioData = new Uint8Array(await GetArrayBuffer(file));
+    for (let cur = 0; cur < 8; ++cur) {
+        audioData[cur] = TM_HEADER[cur];
+    }
+    const musicData = new Blob([audioData], {type: "audio/mp4"});
+    return await RawDecrypt(musicData, raw_filename, "m4a", false)
+}