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More information: https://www.jsdelivr.com/using-sri-with-dynamic-files\n */\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst initDebug = require(\"debug\");\nconst mm = require(\"music-metadata/lib/core\");\nconst toBuffer = require(\"typedarray-to-buffer\");\nconst Browser2NodeStream_1 = require(\"./fetch/Browser2NodeStream\");\nconst debug = initDebug('music-metadata-browser');\n/**\n * Parse audio Stream\n * @param stream\n * @param {string} contentType MIME-Type\n * @param {IOptions} options Parsing options\n * @returns {Promise}\n */\nexports.parseNodeStream = mm.parseStream;\n/**\n * Parse Web API ReadableStream: https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream\n * @param {ReadableStream} stream ReadableStream\n * @param {string} contentType MIME-Type\n * @param {IOptions} options Parsing options\n * @returns {Promise}\n */\nfunction parseReadableStream(stream, contentType, options) {\n const ns = new Browser2NodeStream_1.Browser2NodeStream(stream);\n return exports.parseNodeStream(ns, contentType, options).then(res => {\n debug(`Completed parsing from stream 1bytesRead=${ns.bytesRead} / fileSize=${options && options.fileSize ? options.fileSize : '?'}`);\n return res;\n });\n}\nexports.parseReadableStream = parseReadableStream;\n/**\n * Parse audio from Node Buffer\n * @param {Stream.Readable} stream Audio input stream\n * @param {string} mimeType Content specification MIME-type, e.g.: 'audio/mpeg'\n * @param {IOptions} options Parsing options\n * @returns {Promise}\n * Ref: https://github.com/Borewit/strtok3/blob/e6938c81ff685074d5eb3064a11c0b03ca934c1d/src/index.ts#L15\n */\nexports.parseBuffer = mm.parseBuffer;\n/**\n * Parse Web API File\n * @param {Blob} blob\n * @param {IOptions} options Parsing options\n * @returns {Promise}\n */\nfunction parseBlob(blob, options) {\n return convertBlobToBuffer(blob).then(buf => {\n return mm.parseBuffer(buf, blob.type, options);\n });\n}\nexports.parseBlob = parseBlob;\n/**\n * Parse fetched file, using the Web Fetch API\n * @param {string} audioTrackUrl URL to download the audio track from\n * @param {IOptions} options Parsing options\n * @returns {Promise}\n */\nfunction fetchFromUrl(audioTrackUrl, options) {\n return fetch(audioTrackUrl).then(response => {\n const contentType = response.headers.get('Content-Type');\n const headers = [];\n response.headers.forEach(header => {\n headers.push(header);\n });\n if (response.ok) {\n if (response.body) {\n return this.parseReadableStream(response.body, contentType, options).then(res => {\n if (!response.body.locked)\n response.body.cancel();\n return res;\n });\n }\n else {\n // Fall back on Blob\n return response.blob().then(blob => {\n return this.parseBlob(blob, options);\n });\n }\n }\n else {\n throw new Error(`HTTP error status=${response.status}: ${response.statusText}`);\n }\n });\n}\nexports.fetchFromUrl = fetchFromUrl;\n/**\n * Parse audio from ITokenizer source\n * @param {strtok3.ITokenizer} Audio source implementing the tokenizer interface\n * @param {string} mimeType Content specification MIME-type, e.g.: 'audio/mpeg'\n * @param {IOptions} options Parsing options\n * @returns {Promise}\n */\nexports.parseFromTokenizer = mm.parseFromTokenizer;\n/**\n * Convert Web API File to Node Buffer\n * @param {Blob} blob Web API Blob\n * @returns {Promise}\n */\nfunction convertBlobToBuffer(blob) {\n return new Promise((resolve, reject) => {\n const fileReader = new FileReader();\n fileReader.onloadend = event => {\n let data = event.target.result;\n if (data instanceof ArrayBuffer) {\n data = toBuffer(new Uint8Array(event.target.result));\n }\n resolve(data);\n };\n fileReader.onerror = error => {\n reject(new Error(error.type));\n };\n fileReader.onabort = error => {\n reject(new Error(error.type));\n };\n fileReader.readAsArrayBuffer(blob);\n });\n}\n/**\n * Create a dictionary ordered by their tag id (key)\n * @param {ITag[]} nativeTags list of tags\n * @returns {INativeTagDict} Tags indexed by id\n */\nexports.orderTags = mm.orderTags;\n/**\n * Convert rating to 1-5 star rating\n * @param {number} rating Normalized rating [0..1] (common.rating[n].rating)\n * @returns {number} Number of stars: 1, 2, 3, 4 or 5 stars\n */\nexports.ratingToStars = mm.ratingToStars;\n"]}