Initial working version

node_modules/music-metadata/lib/iff/index.d.ts

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+import { IGetToken } from "strtok3/lib/core";
+/**
+ * "EA IFF 85" Standard for Interchange Format Files
+ * Ref: http://www.martinreddy.net/gfx/2d/IFF.txt
+ */
+export interface IChunkHeader {
+    /**
+     * 	A chunk ID (ie, 4 ASCII bytes)
+     */
+    chunkID: string;
+    /**
+     * Number of data bytes following this data header
+     */
+    chunkSize: number;
+}
+/**
+ * "EA IFF 85" Standard for Interchange Format Files
+ * Ref: http://www.martinreddy.net/gfx/2d/IFF.txt
+ */
+export interface IChunkHeader64 {
+    /**
+     * 	A chunk ID (ie, 4 ASCII bytes)
+     */
+    chunkID: string;
+    /**
+     * Number of data bytes following this data header
+     */
+    chunkSize: bigint;
+}
+/**
+ * Common AIFF chunk header
+ */
+export declare const Header: IGetToken<IChunkHeader>;

node_modules/music-metadata/lib/iff/index.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Header = void 0;
+const FourCC_1 = require("../common/FourCC");
+const Token = require("token-types");
+/**
+ * Common AIFF chunk header
+ */
+exports.Header = {
+    len: 8,
+    get: (buf, off) => {
+        return {
+            // Chunk type ID
+            chunkID: FourCC_1.FourCcToken.get(buf, off),
+            // Chunk size
+            chunkSize: Number(BigInt(Token.UINT32_BE.get(buf, off + 4)))
+        };
+    }
+};