Initial working version

node_modules/music-metadata/lib/lyrics3/Lyrics3.d.ts

@@ -0,0 +1,3 @@
+import { IRandomReader } from '../type';
+export declare const endTag2 = "LYRICS200";
+export declare function getLyricsHeaderLength(reader: IRandomReader): Promise<number>;

node_modules/music-metadata/lib/lyrics3/Lyrics3.js

@@ -0,0 +1,17 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getLyricsHeaderLength = exports.endTag2 = void 0;
+exports.endTag2 = 'LYRICS200';
+async function getLyricsHeaderLength(reader) {
+    if (reader.fileSize >= 143) {
+        const buf = Buffer.alloc(15);
+        await reader.randomRead(buf, 0, buf.length, reader.fileSize - 143);
+        const txt = buf.toString('binary');
+        const tag = txt.substr(6);
+        if (tag === exports.endTag2) {
+            return parseInt(txt.substr(0, 6), 10) + 15;
+        }
+    }
+    return 0;
+}
+exports.getLyricsHeaderLength = getLyricsHeaderLength;