Initial working version

2022-12-22 20:22:22 +11:00
parent ce9675a1cc
commit ced7fa5092
902 changed files with 150252 additions and 0 deletions
@@ -0,0 +1,81 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.fetchFromUrl = exports.parseBlob = exports.parseReadableStream = exports.parseNodeStream = exports.selectCover = exports.ratingToStars = exports.orderTags = exports.parseFromTokenizer = exports.parseBuffer = void 0;
+const initDebug = require("debug");
+const mm = require("music-metadata/lib/core");
+const readable_web_to_node_stream_1 = require("readable-web-to-node-stream");
+const debug = initDebug('music-metadata-browser:main');
+var core_1 = require("music-metadata/lib/core");
+Object.defineProperty(exports, "parseBuffer", { enumerable: true, get: function () { return core_1.parseBuffer; } });
+Object.defineProperty(exports, "parseFromTokenizer", { enumerable: true, get: function () { return core_1.parseFromTokenizer; } });
+Object.defineProperty(exports, "orderTags", { enumerable: true, get: function () { return core_1.orderTags; } });
+Object.defineProperty(exports, "ratingToStars", { enumerable: true, get: function () { return core_1.ratingToStars; } });
+Object.defineProperty(exports, "selectCover", { enumerable: true, get: function () { return core_1.selectCover; } });
+/**
+ * Parse audio Stream
+ * @param stream - ReadableStream
+ * @param contentType - MIME-Type
+ * @param options - Parsing options
+ * @returns Metadata
+ */
+exports.parseNodeStream = mm.parseStream;
+/**
+ * Parse Web API ReadableStream: https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream
+ * @param stream - ReadableStream (web stream according WTWG Streams Standard)
+ * @param fileInfo FileInfo object or MIME-Type
+ * @param options - Parsing options
+ * @returns Metadata
+ */
+async function parseReadableStream(stream, fileInfo, options) {
+    const ns = new readable_web_to_node_stream_1.ReadableWebToNodeStream(stream);
+    const res = await exports.parseNodeStream(ns, typeof fileInfo === 'string' ? { mimeType: fileInfo } : fileInfo, options);
+    await ns.close();
+    return res;
+}
+exports.parseReadableStream = parseReadableStream;
+/**
+ * Parse Web API File
+ * @param blob - Blob to parse
+ * @param options - Parsing options
+ * @returns Metadata
+ */
+async function parseBlob(blob, options) {
+    const fileInfo = { mimeType: blob.type, size: blob.size };
+    if (blob instanceof File) {
+        fileInfo.path = blob.name;
+    }
+    return parseReadableStream(blob.stream(), { mimeType: blob.type, size: blob.size }, options);
+}
+exports.parseBlob = parseBlob;
+/**
+ * Parse fetched file, using the Web Fetch API
+ * @param audioTrackUrl - URL to download the audio track from
+ * @param options - Parsing options
+ * @returns Metadata
+ */
+async function fetchFromUrl(audioTrackUrl, options) {
+    const response = await fetch(audioTrackUrl);
+    const fileInfo = {
+        size: parseInt(response.headers.get('Content-Length'), 10),
+        mimeType: response.headers.get('Content-Type')
+    };
+    if (response.ok) {
+        if (response.body) {
+            const res = await this.parseReadableStream(response.body, fileInfo, options);
+            debug('Closing HTTP-readable-stream...');
+            if (!response.body.locked) { // Prevent error in Firefox
+                await response.body.cancel();
+            }
+            debug('HTTP-readable-stream closed.');
+            return res;
+        }
+        else {
+            // Fall back on Blob
+            return this.parseBlob(await response.blob(), options);
+        }
+    }
+    else {
+        throw new Error(`HTTP error status=${response.status}: ${response.statusText}`);
+    }
+}
+exports.fetchFromUrl = fetchFromUrl;