@infinito/id3/src/classes/id3tag.js

ID3 Tag Reader/Writer

import genID3 from '../gen.js'

export default class id3Tag {
	constructor(path) {
		if(typeof path!="string") {
			if(typeof path!="object") {
				throw new TypeError('Invalid path provided to id3Tag');
			} else {
				var data = path;
				path = data.path;
				if(typeof path=="undefined") {
					throw new Error('Invalid path provided to id3Tag');
				}
			}
		}
		Object.defineProperties(this,{
			album: {
				get: function () { return this._album; },
				set: function (val) { this._album = val; },
			},
			album_artist: {
				get: function () { return this._album_artist; },
				set: function (val) { this._album_artist = val; },
			},
			artist: {
				get: function () { return this._artist; },
				set: function (val) { this._artist = val; },
			},
			composer: {
				get: function () { return this._composer; },
				set: function (val) { this._composer = val; },
			},
			fields: {
				value:{
					TALB:"album",
					TPE2:"album_artist",
					TCOM:"composer",
					TCON:"genre",
					TPE1:"artist",
					TLEN:"length",
					TPOS:"set",
					TPUB:"publisher",
					TIT2:"title",
					TRCK:"track",
					TYER:"year"
				}
			},
			flag: {
				value:0
			},
			genre: {
				get: function () { return this._genre; },
				set: function (val) { this._genre = val; },
			},
			length: {
				get: function () { return this._length; },
				set: function (val) { this._length = Number(val); }
			},
			path: {
				value:path
			},
			publisher: {
				get: function () { return this._publisher; },
				set: function (val) { this._publisher = val; },
			},
			set: {
				get: function () {
					if(typeof this._num_sets=="undefined") {
						return this._set;
					} else {
						return this._set+"/"+this._num_sets;
					}
				},
				set: function (val) {
					var regex = /[0-9]+(\/[0-9]+)?$/;
					if(val.match(regex)!==null) {
						var temp = val.split("/");
						if(temp.length==2) {
							if(Number(temp[0])<=Number(temp[1])) {
								this._set = Number(temp[0]);
								this._num_sets = Number(temp[1]);
							}
						} else if(!(isNaN(val))) {
							this._set = Number(val);
						}
					} else if(val=="") {
						this._set = 0;
					}
				}
			},
			subVer: {
				value:0
			},
			title: {
				get: function () { return this._title; },
				set: function (val) { this._title = val; },
			},
			track_num: {
				get: function () { return this._track; },
			},
			track: {
				get: function () {
					if(typeof this._num_tracks=="undefined") {
						return this._track;
					} else {
						return this._track+"/"+this._num_tracks;
					}
				},
				set: function (val) {
					var regex = /[0-9]+(\/[0-9]+)?$/;
					if(String(val).match(regex)!==null) {
						var temp = val.split("/");
						if(temp.length==2) {
							if(Number(temp[0])<=Number(temp[1])) {
								this._track = Number(temp[0]);
								this._num_tracks = Number(temp[1]);
							}
						} else if(!(isNaN(val))) {
							this._track = Number(val);
						}
					}
				}
			},
			ver: {
				value:3
			},
			year: {
				get: function () { return this._year; },
				set: function (val) { this._year = (isNaN(val))?0:Number(val); }
			}
		});
		if(typeof data!="undefined") {
			for(var i in data) {
				if(i!="path") {
					this[i] = data[i];
				}
			}
		}
	}
	export() {
		return genID3(this);
	}
}