record midiiiiii

1 files changed, 3910 insertions, 53 deletions

diff --git a/bundle.js b/bundle.js
index aa4d9ba..9bd507e 100644
--- a/bundle.js
+++ b/bundle.js
@@ -24464,7 +24464,7 @@ var __WEBPACK_AMD_DEFINE_RESULT__;(function(root, factory){
 Object.defineProperty(exports, "__esModule", {
   value: true
 });
-exports.tap = exports.mtof = exports.ftom = exports.requestAudioContext = exports.browser = exports.mod = exports.choice = undefined;
+exports.dataURItoBlob = exports.tap = exports.mtof = exports.ftom = exports.requestAudioContext = exports.browser = exports.mod = exports.choice = undefined;
 
 var _tone = __webpack_require__(0);
 
@@ -24533,6 +24533,29 @@ function requestAudioContext(fn) {
   }
 }
 
+function dataURItoBlob(dataURI) {
+  // convert base64 to raw binary data held in a string
+  // doesn't handle URLEncoded DataURIs - see SO answer #6850276 for code that does this
+  var byteString = atob(dataURI.split(',')[1]);
+
+  // separate out the mime component
+  var mimeString = dataURI.split(',')[0].split(':')[1].split(';')[0];
+
+  // write the bytes of the string to an ArrayBuffer
+  var ab = new ArrayBuffer(byteString.length);
+
+  // create a view into the buffer
+  var ia = new Uint8Array(ab);
+
+  // set the bytes of the buffer to the correct values
+  for (var i = 0; i < byteString.length; i++) {
+    ia[i] = byteString.charCodeAt(i);
+  }
+
+  // write the ArrayBuffer to a blob, and you're done
+  var blob = new Blob([ab], { type: mimeString });
+  return blob;
+}
 function ftom(f) {
   // return (Math.log(f) - Math.log(261.626)) / Math.log(2) + 4.0
   return 69 + 12 * Math.log2(f / 440);
@@ -24553,6 +24576,7 @@ exports.requestAudioContext = requestAudioContext;
 exports.ftom = ftom;
 exports.mtof = mtof;
 exports.tap = tap;
+exports.dataURItoBlob = dataURItoBlob;
 
 /***/ }),
 /* 2 */
@@ -34496,6 +34520,8 @@ var that=this;if(options=options||{},program=Math.floor(program),isNaN(program)|
 "use strict";
 
 
+var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
+
 var _tone = __webpack_require__(0);
 
 var _tone2 = _interopRequireDefault(_tone);
@@ -34522,6 +34548,8 @@ var _scales2 = _interopRequireDefault(_scales);
 
 var _util = __webpack_require__(1);
 
+var _FileSaver = __webpack_require__(20);
+
 var _data = __webpack_require__(2);
 
 var data = _interopRequireWildcard(_data);
@@ -34530,15 +34558,20 @@ function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj;
 
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
+var MidiWriter = __webpack_require__(11);
+
 var DEFAULT_BPM = 60;
 
 var nx = window.nx = {};
 
 var midi = void 0;
-var note_values = [[8, '8 measures'], [4, '4 measures'], [2, '2 measures'], [1, 'whole note'], [1 / 2, 'half note'], [1 / 3, 'third note'], [1 / 4, 'quarter note'], [1 / 5, 'fifth note'], [1 / 6, 'sixth note'], [1 / 8, 'eighth note'], [1 / 10, 'tenth note'], [1 / 12, 'twelfth note'], [1 / 16, 'sixteenth note'], [1 / 32, 'thirtysecond note']];
+var exporting = false;
+var recording = false;
+var recorder = null;
 
-_webmidi2.default.enable(midi_ready);
+var note_values = [[8, '8 measures', 8 * 512], [4, '4 measures', 4 * 512], [2, '2 measures', 2 * 512], [1, 'whole note', 512], [1 / 2, 'half note', 256], [1 / 3, 'third note', [170, 170, 171]], [1 / 4, 'quarter note', 128], [1 / 5, 'fifth note', [51, 51, 51, 51, 52]], [1 / 6, 'sixth note', [85, 85, 86, 85, 85, 86]], [1 / 8, 'eighth note', 64], [1 / 10, 'tenth note', [25, 26, 26, 25, 26, 25, 26, 26, 25, 26]], [1 / 12, 'twelfth note', [21, 21, 22, 21, 21, 22, 21, 21, 22, 21, 21, 22]], [1 / 16, 'sixteenth note', 32], [1 / 32, 'thirtysecond note', 16]];
 
+_webmidi2.default.enable(midi_ready);
 function midi_ready(err) {
   if (err) {
     console.error('webmidi failed to initialize');
@@ -34561,6 +34594,7 @@ function midi_ready(err) {
   midi = midi || _webmidi2.default.outputs[0];
   console.log(midi.name);
 }
+
 var i = 0,
     datasets = {},
     dataset = {},
@@ -34571,9 +34605,10 @@ data.load().then(function (lists) {
   // nx.dataset.choices = Object.keys(lists)
   console.log(lists);
   datasets = lists;
-  (0, _util.requestAudioContext)(ready);
   pick_dataset('housing costs and income inequality');
+  (0, _util.requestAudioContext)(ready);
 });
+
 function pick_dataset(key) {
   console.log('pick dataset:', key);
   i = 0;
@@ -34586,55 +34621,64 @@ var behaviors = {
   interval: { name: 'Intervals', fn: play_interval_sequence }
 };
 function pick_behavior(name) {
-  behaviors[name].fn();
+  play_fn = behaviors[name].fn;
 }
 function play_next() {
-  var note_time = 120000 / _tone2.default.Transport.bpm.value * note_values[nx.timing.active][0];
+  var note_time = 120000 / _tone2.default.Transport.bpm.value * note_values[nx.timing.active][0] * nx.duration.value;
   setTimeout(play_next, note_time);
-  play_fn(note_time);
+
+  var _play_fn = play_fn(i, note_time),
+      _play_fn2 = _slicedToArray(_play_fn, 2),
+      new_i = _play_fn2[0],
+      notes = _play_fn2[1];
+
+  i = new_i;
+  if (recording) {
+    var timing = note_values[nx.timing.active][2];
+    if (timing.length) timing = timing[i % timing.length];
+    recorder.addEvent(new MidiWriter.NoteEvent({ pitch: notes, duration: 't' + timing }));
+  }
 }
-function play_sequence() {
-  play_fn = function play_fn(note_time) {
-    var _bounds = bounds,
-        rows = _bounds.rows,
-        min = _bounds.min,
-        max = _bounds.max;
+function play_sequence(i, note_time) {
+  var _bounds = bounds,
+      rows = _bounds.rows,
+      min = _bounds.min,
+      max = _bounds.max;
 
-    var count = rows.length * rows[0].length;
-    if (i >= count) i = 0;
-    var y = Math.floor(i / rows[0].length);
-    var x = i % rows[0].length;
-    if (!x) console.log(y);
-    var n = rows[y][x];
-    i += 1;
-    if (i >= count) i = 0;
-    play(norm(n, min, max) * nx.multiply.value, note_time * nx.duration.value);
-  };
+  var count = rows.length * rows[0].length;
+  if (i >= count) i = 0;
+  var y = Math.floor(i / rows[0].length);
+  var x = i % rows[0].length;
+  if (!x) console.log(y);
+  var n = rows[y][x];
+  i += 1;
+  if (i >= count) i = 0;
+  var midi_note = play(norm(n, min, max) * nx.multiply.value, note_time);
+  return [i, [midi_note]];
 }
-function play_interval_sequence() {
-  play_fn = function play_fn(note_time) {
-    var _bounds2 = bounds,
-        rows = _bounds2.rows,
-        min = _bounds2.min,
-        max = _bounds2.max;
+function play_interval_sequence(i, note_time) {
+  var _bounds2 = bounds,
+      rows = _bounds2.rows,
+      min = _bounds2.min,
+      max = _bounds2.max;
 
-    var count = rows.length;
-    if (i >= count) i = 0;
-    var y = i % count;
-    var row = rows[y];
-    if (!row) {
-      i = 0;return;
-    }
-    var row_min = Math.min.apply(Math, row);
-    var row_max = Math.max.apply(Math, row);
-    var row_f0 = norm(row_min, min, max);
-    var row_root = row_f0 * nx.multiply.value;
-    row.forEach(function (n) {
-      var note = row_root + norm(n - row_min, diff.min, diff.max) * nx.interval.value;
-      play(note, note_time * nx.duration.value);
-    });
-    i += 1;
-  };
+  var count = rows.length;
+  if (i >= count) i = 0;
+  var y = i % count;
+  var row = rows[y];
+  if (!row) {
+    i = 0;return;
+  }
+  var row_min = Math.min.apply(Math, row);
+  // const row_max = Math.max.apply(Math, row)
+  var row_f0 = norm(row_min, min, max);
+  var row_root = row_f0 * nx.multiply.value;
+  var notes = row.map(function (n) {
+    var note = row_root + norm(n - row_min, diff.min, diff.max) * nx.interval.value;
+    play(note, note_time);
+  });
+  i += 1;
+  return [i, notes];
 }
 
 function norm(n, min, max) {
@@ -34684,16 +34728,18 @@ function play(index, duration) {
   }
   cents *= 2;
   midi_note = Math.floor(midi_note);
-  if (midi) {
-    if (midi_note > 127) return;
-    var note = _tone2.default.Frequency(Math.floor(midi_note), "midi").toNote();
+  if ((midi || exporting) && midi_note > 127) return 0;
+  var note = _tone2.default.Frequency(Math.floor(midi_note), "midi").toNote();
+  if (exporting || midi) {
     duration = duration || 60000 / _tone2.default.Transport.bpm.value;
-    midi.playNote(note, "all", { duration: duration });
-    // cents
-    // midi.sendPitchBend(cents, "all")
+    if (!exporting) {
+      midi.playNote(note, "all", { duration: duration });
+      // midi.sendPitchBend(cents, "all")
+    }
   } else {
     _kalimba2.default.play(freq);
   }
+  return note;
 }
 
 function update_value_on_change(el, id, is_int, fn) {
@@ -34723,7 +34769,7 @@ function update_radio_value_on_change(el, id, values, fn) {
   el.update = update;
 }
 function build_options(el, lists, fn) {
-  Object.keys(lists).forEach(function (key, i) {
+  Object.keys(lists).forEach(function (key) {
     var list = lists[key];
     var option = document.createElement('option');
     option.innerHTML = list.name;
@@ -34798,9 +34844,52 @@ function ready() {
   });
   update_value_on_change(nx.interval, '#interval', true);
 
+  var export_midi_button = document.querySelector('#export_midi');
+  export_midi_button.addEventListener('click', export_pattern_as_midi);
+
+  var record_midi_button = document.querySelector('#record_midi');
+  record_midi_button.addEventListener('click', function () {
+    if (recording) {
+      record_midi_button.innerHTML = 'Record MIDI';
+      document.body.classList.remove('recording');
+      recording = false;
+      var writer = new MidiWriter.Writer([recorder]);
+      var blob = (0, _util.dataURItoBlob)(writer.dataUri());
+      (0, _FileSaver.saveAs)(blob, 'Recording - ' + dataset.name + '.mid');
+    } else {
+      record_midi_button.innerHTML = 'Save Recording';
+      document.body.classList.add('recording');
+      recording = true;
+      recorder = new MidiWriter.Track();
+      recorder.setTempo(nx.tempo.value);
+    }
+  });
+
   document.querySelector('.loading').classList.remove('loading');
   play_next();
 }
+function export_pattern_as_midi() {
+  var behavior = document.querySelector('#behavior').value;
+  var _bounds3 = bounds,
+      rows = _bounds3.rows;
+
+  var count = behavior === 'sequence' ? rows[0].length * rows.length : rows.length;
+  var notes = void 0;
+  var note_time = void 0;
+  var timing = note_values[nx.timing.active][2];
+  exporting = true;
+  var midi_track = new MidiWriter.Track();
+  midi_track.setTempo(nx.tempo.value);
+  for (var _i = 0, len = count; _i < len; _i++) {
+    notes = play_fn(_i)[1];
+    if (timing.length) note_time = 't' + timing[_i % timing.length];else note_time = timing;
+    midi_track.addEvent(new MidiWriter.NoteEvent({ pitch: notes, duration: note_time }));
+  }
+  var writer = new MidiWriter.Writer([midi_track]);
+  var blob = (0, _util.dataURItoBlob)(writer.dataUri());
+  (0, _FileSaver.saveAs)(blob, 'Recording - ' + dataset.name + '.mid');
+  exporting = false;
+}
 
 _keys2.default.listen(function (index) {
   nx.offset.value = index;
@@ -35168,6 +35257,3774 @@ var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol
   return StartAudioContext;
 });
 
+/***/ }),
+/* 11 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/* WEBPACK VAR INJECTION */(function(Buffer, process) {
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+exports.Writer = exports.VexFlow = exports.Utils = exports.Track = exports.ProgramChangeEvent = exports.NoteOnEvent = exports.NoteOffEvent = exports.NoteEvent = exports.MetaEvent = exports.ControllerChangeEvent = exports.Constants = exports.Chunk = undefined;
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _tonalMidi = __webpack_require__(18);
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+/**
+ * Object representation of the chunk section of a MIDI file.
+ * @param {object} fields - {type: number, data: array, size: array}
+ * @return {Chunk}
+ */
+var Chunk = function Chunk(fields) {
+	_classCallCheck(this, Chunk);
+
+	this.type = fields.type;
+	this.data = fields.data;
+	this.size = [0, 0, 0, fields.data.length];
+};
+
+exports.Chunk = Chunk;
+/**
+ * MIDI file format constants, including note -> MIDI number translation.
+ * @return {Constants}
+ */
+
+var Constants = {
+	VERSION: '1.5.2',
+	HEADER_CHUNK_TYPE: [0x4d, 0x54, 0x68, 0x64], // Mthd
+	HEADER_CHUNK_LENGTH: [0x00, 0x00, 0x00, 0x06], // Header size for SMF
+	HEADER_CHUNK_FORMAT0: [0x00, 0x00], // Midi Type 0 id
+	HEADER_CHUNK_FORMAT1: [0x00, 0x01], // Midi Type 1 id
+	HEADER_CHUNK_DIVISION: [0x00, 0x80], // Defaults to 128 ticks per beat
+	TRACK_CHUNK_TYPE: [0x4d, 0x54, 0x72, 0x6b], // MTrk,
+	META_EVENT_ID: 0xFF,
+	META_TEXT_ID: 0x01,
+	META_COPYRIGHT_ID: 0x02,
+	META_TRACK_NAME_ID: 0x03,
+	META_INSTRUMENT_NAME_ID: 0x04,
+	META_LYRIC_ID: 0x05,
+	META_MARKER_ID: 0x06,
+	META_CUE_POINT: 0x07,
+	META_TEMPO_ID: 0x51,
+	META_SMTPE_OFFSET: 0x54,
+	META_TIME_SIGNATURE_ID: 0x58,
+	META_KEY_SIGNATURE_ID: 0x59,
+	META_END_OF_TRACK_ID: [0x2F, 0x00],
+	CONTROLLER_CHANGE_STATUS: 0xB0, // includes channel number (0)
+	PROGRAM_CHANGE_STATUS: 0xC0 // includes channel number (0)
+};
+
+exports.Constants = Constants;
+/**
+ * Holds all data for a "controller change" MIDI event
+ * @param {object} fields {controllerNumber: integer, controllerValue: integer}
+ * @return {ControllerChangeEvent}
+ */
+
+var ControllerChangeEvent = function ControllerChangeEvent(fields) {
+	_classCallCheck(this, ControllerChangeEvent);
+
+	this.type = 'controller';
+	// delta time defaults to 0.
+	this.data = Utils.numberToVariableLength(0x00).concat(Constants.CONTROLLER_CHANGE_STATUS, fields.controllerNumber, fields.controllerValue);
+};
+
+exports.ControllerChangeEvent = ControllerChangeEvent;
+/**
+ * Object representation of a meta event.
+ * @param {object} fields - type, data
+ * @return {MetaEvent}
+ */
+
+var MetaEvent = function MetaEvent(fields) {
+	_classCallCheck(this, MetaEvent);
+
+	this.type = 'meta';
+	this.data = Utils.numberToVariableLength(0x00); // Start with zero time delta
+	this.data = this.data.concat(Constants.META_EVENT_ID, fields.data);
+};
+
+exports.MetaEvent = MetaEvent;
+/**
+ * Wrapper for noteOnEvent/noteOffEvent objects that builds both events.
+ * @param {object} fields - {pitch: '[C4]', duration: '4', wait: '4', velocity: 1-100}
+ * @return {NoteEvent}
+ */
+
+var NoteEvent = function () {
+	function NoteEvent(fields) {
+		_classCallCheck(this, NoteEvent);
+
+		this.type = 'note';
+		this.pitch = Utils.toArray(fields.pitch);
+		this.wait = fields.wait || 0;
+		this.duration = fields.duration;
+		this.sequential = fields.sequential || false;
+		this.velocity = fields.velocity || 50;
+		this.channel = fields.channel || 1;
+		this.repeat = fields.repeat || 1;
+		this.velocity = this.convertVelocity(this.velocity);
+		this.grace = fields.grace;
+		this.buildData();
+	}
+
+	/**
+  * Builds int array for this event.
+  * @return {NoteEvent}
+  */
+
+
+	_createClass(NoteEvent, [{
+		key: 'buildData',
+		value: function buildData() {
+			this.data = [];
+
+			var tickDuration = this.getTickDuration(this.duration, 'note');
+			var restDuration = this.getTickDuration(this.wait, 'rest');
+
+			// Apply grace note(s) and subtract ticks (currently 1 tick per grace note) from tickDuration so net value is the same
+			if (this.grace) {
+				var graceDuration = 1;
+				this.grace = Utils.toArray(this.grace);
+				this.grace.forEach(function (pitch) {
+					var noteEvent = new NoteEvent({ pitch: this.grace, duration: 'T' + graceDuration });
+					this.data = this.data.concat(noteEvent.data);
+
+					tickDuration -= graceDuration;
+				}, this);
+			}
+
+			// fields.pitch could be an array of pitches.
+			// If so create note events for each and apply the same duration.
+			var noteOn, noteOff;
+			if (Array.isArray(this.pitch)) {
+				// By default this is a chord if it's an array of notes that requires one NoteOnEvent.
+				// If this.sequential === true then it's a sequential string of notes that requires separate NoteOnEvents.
+				if (!this.sequential) {
+					// Handle repeat
+					for (var j = 0; j < this.repeat; j++) {
+						// Note on
+						this.pitch.forEach(function (p, i) {
+							if (i == 0) {
+								noteOn = new NoteOnEvent({ data: Utils.numberToVariableLength(restDuration).concat(this.getNoteOnStatus(), Utils.getPitch(p), this.velocity) });
+							} else {
+								// Running status (can ommit the note on status)
+								noteOn = new NoteOnEvent({ data: [0, Utils.getPitch(p), this.velocity] });
+							}
+
+							this.data = this.data.concat(noteOn.data);
+						}, this);
+
+						// Note off
+						this.pitch.forEach(function (p, i) {
+							if (i == 0) {
+								noteOff = new NoteOffEvent({ data: Utils.numberToVariableLength(tickDuration).concat(this.getNoteOffStatus(), Utils.getPitch(p), this.velocity) });
+							} else {
+								// Running status (can ommit the note off status)
+								noteOff = new NoteOffEvent({ data: [0, Utils.getPitch(p), this.velocity] });
+							}
+
+							this.data = this.data.concat(noteOff.data);
+						}, this);
+					}
+				} else {
+					// Handle repeat
+					for (var j = 0; j < this.repeat; j++) {
+						this.pitch.forEach(function (p, i) {
+							// restDuration only applies to first note
+							if (i > 0) {
+								restDuration = 0;
+							}
+
+							// If duration is 8th triplets we need to make sure that the total ticks == quarter note.
+							// So, the last one will need to be the remainder
+							if (this.duration === '8t' && i == this.pitch.length - 1) {
+								var quarterTicks = Utils.numberFromBytes(Constants.HEADER_CHUNK_DIVISION);
+								tickDuration = quarterTicks - tickDuration * 2;
+							}
+
+							noteOn = new NoteOnEvent({ data: Utils.numberToVariableLength(restDuration).concat([this.getNoteOnStatus(), Utils.getPitch(p), this.velocity]) });
+							noteOff = new NoteOffEvent({ data: Utils.numberToVariableLength(tickDuration).concat([this.getNoteOffStatus(), Utils.getPitch(p), this.velocity]) });
+
+							this.data = this.data.concat(noteOn.data, noteOff.data);
+						}, this);
+					}
+				}
+
+				return this;
+			}
+
+			throw 'pitch must be an array.';
+		}
+	}, {
+		key: 'convertVelocity',
+
+
+		/**
+   * Converts velocity to value 0-127
+   * @param {number} velocity - Velocity value 1-100
+   * @return {number}
+   */
+		value: function convertVelocity(velocity) {
+			// Max passed value limited to 100
+			velocity = velocity > 100 ? 100 : velocity;
+			return Math.round(velocity / 100 * 127);
+		}
+	}, {
+		key: 'getTickDuration',
+
+
+		/**
+   * Gets the total number of ticks based on passed duration.
+   * Note: type=='note' defaults to quarter note, type==='rest' defaults to 0
+   * @param {(string|array)} duration
+   * @param {string} type ['note', 'rest']
+   * @return {number}
+   */
+		value: function getTickDuration(duration, type) {
+			if (Array.isArray(duration)) {
+				// Recursively execute this method for each item in the array and return the sum of tick durations.
+				return duration.map(function (value) {
+					return this.getTickDuration(value, type);
+				}, this).reduce(function (a, b) {
+					return a + b;
+				}, 0);
+			}
+
+			duration = duration.toString();
+
+			if (duration.toLowerCase().charAt(0) === 't') {
+				// If duration starts with 't' then the number that follows is an explicit tick count
+				return parseInt(duration.substring(1));
+			}
+
+			// Need to apply duration here.  Quarter note == Constants.HEADER_CHUNK_DIVISION
+			// Rounding only applies to triplets, which the remainder is handled below
+			var quarterTicks = Utils.numberFromBytes(Constants.HEADER_CHUNK_DIVISION);
+			return Math.round(quarterTicks * this.getDurationMultiplier(duration, type));
+		}
+
+		/**
+   * Gets what to multiple ticks/quarter note by to get the specified duration.
+   * Note: type=='note' defaults to quarter note, type==='rest' defaults to 0
+   * @param {string} duration
+   * @param {string} type ['note','rest']
+   * @return {number}
+   */
+
+	}, {
+		key: 'getDurationMultiplier',
+		value: function getDurationMultiplier(duration, type) {
+			// Need to apply duration here.  Quarter note == Constants.HEADER_CHUNK_DIVISION
+			switch (duration) {
+				case '0':
+					return 0;
+				case '1':
+					return 4;
+				case '2':
+					return 2;
+				case 'd2':
+					return 3;
+				case '4':
+					return 1;
+				case '4t':
+					return 0.666;
+				case 'd4':
+					return 1.5;
+				case '8':
+					return 0.5;
+				case '8t':
+					// For 8th triplets, let's divide a quarter by 3, round to the nearest int, and substract the remainder to the last one.
+					return 0.33;
+				case 'd8':
+					return 0.75;
+				case '16':
+					return 0.25;
+				case '16t':
+					return 0.166;
+				case '32':
+					return 0.125;
+				case '64':
+					return 0.0625;
+				default:
+				// Notes default to a quarter, rests default to 0
+				//return type === 'note' ? 1 : 0;
+			}
+
+			throw duration + ' is not a valid duration.';
+		}
+	}, {
+		key: 'getNoteOnStatus',
+
+
+		/**
+   * Gets the note on status code based on the selected channel. 0x9{0-F}
+   * Note on at channel 0 is 0x90 (144)
+   * 0 = Ch 1
+   * @return {number}
+   */
+		value: function getNoteOnStatus() {
+			return 144 + this.channel - 1;
+		}
+
+		/**
+   * Gets the note off status code based on the selected channel. 0x8{0-F}
+   * Note off at channel 0 is 0x80 (128)
+   * 0 = Ch 1
+   * @return {number}
+   */
+
+	}, {
+		key: 'getNoteOffStatus',
+		value: function getNoteOffStatus() {
+			return 128 + this.channel - 1;
+		}
+	}]);
+
+	return NoteEvent;
+}();
+
+exports.NoteEvent = NoteEvent;
+/**
+ * Holds all data for a "note off" MIDI event
+ * @param {object} fields {data: []}
+ * @return {NoteOffEvent}
+ */
+
+var NoteOffEvent = function NoteOffEvent(fields) {
+	_classCallCheck(this, NoteOffEvent);
+
+	this.data = fields.data;
+};
+
+exports.NoteOffEvent = NoteOffEvent;
+/**
+ * Holds all data for a "note on" MIDI event
+ * @param {object} fields {data: []}
+ * @return {NoteOnEvent}
+ */
+
+var NoteOnEvent = function NoteOnEvent(fields) {
+	_classCallCheck(this, NoteOnEvent);
+
+	this.data = fields.data;
+};
+
+exports.NoteOnEvent = NoteOnEvent;
+/**
+ * Holds all data for a "program change" MIDI event
+ * @param {object} fields {instrument: integer}
+ * @return {ProgramChangeEvent}
+ */
+
+var ProgramChangeEvent = function ProgramChangeEvent(fields) {
+	_classCallCheck(this, ProgramChangeEvent);
+
+	this.type = 'program';
+	// delta time defaults to 0.
+	this.data = Utils.numberToVariableLength(0x00).concat(Constants.PROGRAM_CHANGE_STATUS, fields.instrument);
+};
+
+exports.ProgramChangeEvent = ProgramChangeEvent;
+/**
+ * Holds all data for a track.
+ * @param {object} fields {type: number, data: array, size: array, events: array}
+ * @return {Track}
+ */
+
+var Track = function () {
+	function Track() {
+		_classCallCheck(this, Track);
+
+		this.type = Constants.TRACK_CHUNK_TYPE;
+		this.data = [];
+		this.size = [];
+		this.events = [];
+	}
+
+	/**
+  * Adds any event type to the track.
+  * @param {(NoteEvent|MetaEvent|ProgramChangeEvent)} event - Event object.
+  * @param {function} mapFunction - Callback which can be used to apply specific properties to all events. 
+  * @return {Track}
+  */
+
+
+	_createClass(Track, [{
+		key: 'addEvent',
+		value: function addEvent(event, mapFunction) {
+			if (Array.isArray(event)) {
+				event.forEach(function (e, i) {
+					// Handle map function if provided
+					if (typeof mapFunction === 'function' && e.type === 'note') {
+						var properties = mapFunction(i, e);
+
+						if ((typeof properties === 'undefined' ? 'undefined' : _typeof(properties)) === 'object') {
+							for (var j in properties) {
+								switch (j) {
+									case 'duration':
+										e.duration = properties[j];
+										break;
+									case 'sequential':
+										e.sequential = properties[j];
+										break;
+									case 'velocity':
+										e.velocity = e.convertVelocity(properties[j]);
+										break;
+								}
+							}
+
+							// Gotta build that data
+							e.buildData();
+						}
+					}
+
+					this.data = this.data.concat(e.data);
+					this.size = Utils.numberToBytes(this.data.length, 4); // 4 bytes long
+					this.events.push(e);
+				}, this);
+			} else {
+				this.data = this.data.concat(event.data);
+				this.size = Utils.numberToBytes(this.data.length, 4); // 4 bytes long
+				this.events.push(event);
+			}
+
+			return this;
+		}
+
+		/**
+   * Sets tempo of the MIDI file.
+   * @param {number} bpm - Tempo in beats per minute.
+   * @return {Track}
+   */
+
+	}, {
+		key: 'setTempo',
+		value: function setTempo(bpm) {
+			var event = new MetaEvent({ data: [Constants.META_TEMPO_ID] });
+			event.data.push(0x03); // Size
+			var tempo = Math.round(60000000 / bpm);
+			event.data = event.data.concat(Utils.numberToBytes(tempo, 3)); // Tempo, 3 bytes
+			return this.addEvent(event);
+		}
+
+		/**
+   * Sets time signature.
+   * @param {number} numerator - Top number of the time signature.
+   * @param {number} denominator - Bottom number of the time signature.
+   * @param {number} midiclockspertick - Defaults to 24.
+   * @param {number} notespermidiclock - Defaults to 8.
+   * @return {Track}
+   */
+
+	}, {
+		key: 'setTimeSignature',
+		value: function setTimeSignature(numerator, denominator, midiclockspertick, notespermidiclock) {
+			midiclockspertick = midiclockspertick || 24;
+			notespermidiclock = notespermidiclock || 8;
+
+			var event = new MetaEvent({ data: [Constants.META_TIME_SIGNATURE_ID] });
+			event.data.push(0x04); // Size
+			event.data = event.data.concat(Utils.numberToBytes(numerator, 1)); // Numerator, 1 bytes
+
+			var _denominator = Math.log2(denominator); // Denominator is expressed as pow of 2
+			event.data = event.data.concat(Utils.numberToBytes(_denominator, 1)); // Denominator, 1 bytes
+			event.data = event.data.concat(Utils.numberToBytes(midiclockspertick, 1)); // MIDI Clocks per tick, 1 bytes
+			event.data = event.data.concat(Utils.numberToBytes(notespermidiclock, 1)); // Number of 1/32 notes per MIDI clocks, 1 bytes
+			return this.addEvent(event);
+		}
+
+		/**
+   * Sets key signature.
+   * @param {*} sf - 
+   * @param {*} mi -
+   * @return {Track}
+   */
+
+	}, {
+		key: 'setKeySignature',
+		value: function setKeySignature(sf, mi) {
+			var event = new MetaEvent({ data: [Constants.META_KEY_SIGNATURE_ID] });
+			event.data.push(0x02); // Size
+
+			var mode = mi || 0;
+			sf = sf || 0;
+
+			//	Function called with string notation
+			if (typeof mi === 'undefined') {
+				var fifths = [['Cb', 'Gb', 'Db', 'Ab', 'Eb', 'Bb', 'F', 'C', 'G', 'D', 'A', 'E', 'B', 'F#', 'C#'], ['ab', 'eb', 'bb', 'f', 'c', 'g', 'd', 'a', 'e', 'b', 'f#', 'c#', 'g#', 'd#', 'a#']];
+				var _sflen = sf.length;
+				var note = sf || 'C';
+
+				if (sf[0] === sf[0].toLowerCase()) mode = 1;
+
+				if (_sflen > 1) {
+					switch (sf.charAt(_sflen - 1)) {
+						case 'm':
+							mode = 1;
+							note = sf.charAt(0).toLowerCase();
+							note = note.concat(sf.substring(1, _sflen - 1));
+							break;
+						case '-':
+							mode = 1;
+							note = sf.charAt(0).toLowerCase();
+							note = note.concat(sf.substring(1, _sflen - 1));
+							break;
+						case 'M':
+							mode = 0;
+							note = sf.charAt(0).toUpperCase();
+							note = note.concat(sf.substring(1, _sflen - 1));
+							break;
+						case '+':
+							mode = 0;
+							note = sf.charAt(0).toUpperCase();
+							note = note.concat(sf.substring(1, _sflen - 1));
+							break;
+					}
+				}
+
+				var fifthindex = fifths[mode].indexOf(note);
+				sf = fifthindex === -1 ? 0 : fifthindex - 7;
+			}
+
+			event.data = event.data.concat(Utils.numberToBytes(sf, 1)); // Number of sharp or flats ( < 0 flat; > 0 sharp)
+			event.data = event.data.concat(Utils.numberToBytes(mode, 1)); // Mode: 0 major, 1 minor
+			return this.addEvent(event);
+		}
+
+		/**
+   * Adds text to MIDI file.
+   * @param {string} text - Text to add.
+   * @return {Track}
+   */
+
+	}, {
+		key: 'addText',
+		value: function addText(text) {
+			var event = new MetaEvent({ data: [Constants.META_TEXT_ID] });
+			var stringBytes = Utils.stringToBytes(text);
+			event.data = event.data.concat(Utils.numberToVariableLength(stringBytes.length)); // Size
+			event.data = event.data.concat(stringBytes); // Text
+			return this.addEvent(event);
+		}
+
+		/**
+   * Adds copyright to MIDI file.
+   * @param {string} text - Text of copyright line.
+   * @return {Track}
+   */
+
+	}, {
+		key: 'addCopyright',
+		value: function addCopyright(text) {
+			var event = new MetaEvent({ data: [Constants.META_COPYRIGHT_ID] });
+			var stringBytes = Utils.stringToBytes(text);
+			event.data = event.data.concat(Utils.numberToVariableLength(stringBytes.length)); // Size
+			event.data = event.data.concat(stringBytes); // Text
+			return this.addEvent(event);
+		}
+
+		/**
+   * Adds Sequence/Track Name.
+   * @param {string} text - Text of track name.
+   * @return {Track}
+   */
+
+	}, {
+		key: 'addTrackName',
+		value: function addTrackName(text) {
+			var event = new MetaEvent({ data: [Constants.META_TRACK_NAME_ID] });
+			var stringBytes = Utils.stringToBytes(text);
+			event.data = event.data.concat(Utils.numberToVariableLength(stringBytes.length)); // Size
+			event.data = event.data.concat(stringBytes); // Text
+			return this.addEvent(event);
+		}
+
+		/**
+   * Sets instrument name of track.
+   * @param {string} text - Name of instrument.
+   * @return {Track}
+   */
+
+	}, {
+		key: 'addInstrumentName',
+		value: function addInstrumentName(text) {
+			var event = new MetaEvent({ data: [Constants.META_INSTRUMENT_NAME_ID] });
+			var stringBytes = Utils.stringToBytes(text);
+			event.data = event.data.concat(Utils.numberToVariableLength(stringBytes.length)); // Size
+			event.data = event.data.concat(stringBytes); // Text
+			return this.addEvent(event);
+		}
+
+		/**
+   * Adds marker to MIDI file.
+   * @param {string} text - Marker text.
+   * @return {Track}
+   */
+
+	}, {
+		key: 'addMarker',
+		value: function addMarker(text) {
+			var event = new MetaEvent({ data: [Constants.META_MARKER_ID] });
+			var stringBytes = Utils.stringToBytes(text);
+			event.data = event.data.concat(Utils.numberToVariableLength(stringBytes.length)); // Size
+			event.data = event.data.concat(stringBytes); // Text
+			return this.addEvent(event);
+		}
+
+		/**
+   * Adds cue point to MIDI file.
+   * @param {string} text - Text of cue point.
+   * @return {Track}
+   */
+
+	}, {
+		key: 'addCuePoint',
+		value: function addCuePoint(text) {
+			var event = new MetaEvent({ data: [Constants.META_CUE_POINT] });
+			var stringBytes = Utils.stringToBytes(text);
+			event.data = event.data.concat(Utils.numberToVariableLength(stringBytes.length)); // Size
+			event.data = event.data.concat(stringBytes); // Text
+			return this.addEvent(event);
+		}
+
+		/**
+   * Adds lyric to MIDI file.
+   * @param {string} lyric - Lyric text to add.
+   * @return {Track}
+   */
+
+	}, {
+		key: 'addLyric',
+		value: function addLyric(lyric) {
+			var event = new MetaEvent({ data: [Constants.META_LYRIC_ID] });
+			var stringBytes = Utils.stringToBytes(lyric);
+			event.data = event.data.concat(Utils.numberToVariableLength(stringBytes.length)); // Size
+			event.data = event.data.concat(stringBytes); // Lyric
+			return this.addEvent(event);
+		}
+
+		/**
+   * Channel mode messages
+   * @return {Track}
+   */
+
+	}, {
+		key: 'polyModeOn',
+		value: function polyModeOn() {
+			var event = new NoteOnEvent({ data: [0x00, 0xB0, 0x7E, 0x00] });
+			return this.addEvent(event);
+		}
+	}]);
+
+	return Track;
+}();
+
+exports.Track = Track;
+
+/**
+ * Static utility functions used throughout the library.
+ */
+var Utils = function () {
+	function Utils() {
+		_classCallCheck(this, Utils);
+	}
+
+	_createClass(Utils, null, [{
+		key: 'version',
+
+
+		/**
+   * Gets MidiWriterJS version number.
+   * @return {string}
+   */
+		value: function version() {
+			return Constants.VERSION;
+		}
+
+		/**
+   * Convert a string to an array of bytes
+   * @param {string} string
+   * @return {array}
+   */
+
+	}, {
+		key: 'stringToBytes',
+		value: function stringToBytes(string) {
+			return string.split('').map(function (char) {
+				return char.charCodeAt();
+			});
+		}
+
+		/**
+   * Checks if argument is a valid number.
+   * @param {*} n - Value to check
+   * @return {boolean}
+   */
+
+	}, {
+		key: 'isNumeric',
+		value: function isNumeric(n) {
+			return !isNaN(parseFloat(n)) && isFinite(n);
+		}
+
+		/**
+      * Returns the correct MIDI number for the specified pitch.
+      * Uses Tonal Midi - https://github.com/danigb/tonal/tree/master/packages/midi
+      * @param {(string|number)} pitch - 'C#4' or midi note code
+      * @return {number}
+      */
+
+	}, {
+		key: 'getPitch',
+		value: function getPitch(pitch) {
+			return (0, _tonalMidi.toMidi)(pitch);
+		}
+
+		/**
+   * Translates number of ticks to MIDI timestamp format, returning an array of
+   * hex strings with the time values. Midi has a very particular time to express time,
+   * take a good look at the spec before ever touching this function.
+   * Thanks to https://github.com/sergi/jsmidi
+   *
+   * @param {number} ticks - Number of ticks to be translated
+   * @return {array} - Bytes that form the MIDI time value
+   */
+
+	}, {
+		key: 'numberToVariableLength',
+		value: function numberToVariableLength(ticks) {
+			var buffer = ticks & 0x7F;
+
+			while (ticks = ticks >> 7) {
+				buffer <<= 8;
+				buffer |= ticks & 0x7F | 0x80;
+			}
+
+			var bList = [];
+			while (true) {
+				bList.push(buffer & 0xff);
+
+				if (buffer & 0x80) buffer >>= 8;else {
+					break;
+				}
+			}
+
+			return bList;
+		}
+
+		/**
+   * Counts number of bytes in string
+   * @param {string} s
+   * @return {array}
+   */
+
+	}, {
+		key: 'stringByteCount',
+		value: function stringByteCount(s) {
+			return encodeURI(s).split(/%..|./).length - 1;
+		}
+
+		/**
+   * Get an int from an array of bytes.
+   * @param {array} bytes
+   * @return {number}
+   */
+
+	}, {
+		key: 'numberFromBytes',
+		value: function numberFromBytes(bytes) {
+			var hex = '';
+			var stringResult;
+
+			bytes.forEach(function (byte) {
+				stringResult = byte.toString(16);
+
+				// ensure string is 2 chars
+				if (stringResult.length == 1) stringResult = "0" + stringResult;
+
+				hex += stringResult;
+			});
+
+			return parseInt(hex, 16);
+		}
+
+		/**
+   * Takes a number and splits it up into an array of bytes.  Can be padded by passing a number to bytesNeeded
+   * @param {number} number
+   * @param {number} bytesNeeded
+   * @return {array} - Array of bytes
+   */
+
+	}, {
+		key: 'numberToBytes',
+		value: function numberToBytes(number, bytesNeeded) {
+			bytesNeeded = bytesNeeded || 1;
+
+			var hexString = number.toString(16);
+
+			if (hexString.length & 1) {
+				// Make sure hex string is even number of chars
+				hexString = '0' + hexString;
+			}
+
+			// Split hex string into an array of two char elements
+			var hexArray = hexString.match(/.{2}/g);
+
+			// Now parse them out as integers
+			hexArray = hexArray.map(function (item) {
+				return parseInt(item, 16);
+			});
+
+			// Prepend empty bytes if we don't have enough
+			if (hexArray.length < bytesNeeded) {
+				while (bytesNeeded - hexArray.length > 0) {
+					hexArray.unshift(0);
+				}
+			}
+
+			return hexArray;
+		}
+
+		/**	
+   * Converts value to array if needed.
+   * @param {string} value
+   * @return {array}
+   */
+
+	}, {
+		key: 'toArray',
+		value: function toArray(value) {
+			if (Array.isArray(value)) return value;
+			return [value];
+		}
+	}]);
+
+	return Utils;
+}();
+
+exports.Utils = Utils;
+
+var VexFlow = function () {
+	function VexFlow() {
+		_classCallCheck(this, VexFlow);
+	}
+	// code...
+
+
+	/**
+  * Support for converting VexFlow voice into MidiWriterJS track
+  * @return MidiWritier.Track object
+  */
+
+
+	_createClass(VexFlow, [{
+		key: 'trackFromVoice',
+		value: function trackFromVoice(voice) {
+			var track = new Track();
+			var wait;
+			var pitches = [];
+
+			voice.tickables.forEach(function (tickable) {
+				pitches = [];
+
+				if (tickable.noteType === 'n') {
+					tickable.keys.forEach(function (key) {
+						// build array of pitches
+						pitches.push(this.convertPitch(key));
+					});
+				} else if (tickable.noteType === 'r') {
+					// move on to the next tickable and use this rest as a `wait` property for the next event
+					wait = this.convertDuration(tickable);
+					return;
+				}
+
+				track.addEvent(new NoteEvent({ pitch: pitches, duration: this.convertDuration(tickable), wait: wait }));
+
+				// reset wait
+				wait = 0;
+			});
+
+			return track;
+		}
+
+		/**
+   * Converts VexFlow pitch syntax to MidiWriterJS syntax
+   * @param pitch string
+   */
+
+	}, {
+		key: 'convertPitch',
+		value: function convertPitch(pitch) {
+			return pitch.replace('/', '');
+		}
+
+		/**
+   * Converts VexFlow duration syntax to MidiWriterJS syntax
+   * @param note struct from VexFlow
+   */
+
+	}, {
+		key: 'convertDuration',
+		value: function convertDuration(note) {
+			switch (note.duration) {
+				case 'w':
+					return '1';
+				case 'h':
+					return note.isDotted() ? 'd2' : '2';
+				case 'q':
+					return note.isDotted() ? 'd4' : '4';
+				case '8':
+					return note.isDotted() ? 'd8' : '8';
+			}
+
+			return note.duration;
+		}
+	}]);
+
+	return VexFlow;
+}();
+
+exports.VexFlow = VexFlow;
+/**
+ * Object that puts together tracks and provides methods for file output.
+ * @param {array} tracks - An array of {Track} objects.
+ * @return {Writer}
+ */
+
+var Writer = function () {
+	function Writer(tracks) {
+		_classCallCheck(this, Writer);
+
+		this.data = [];
+
+		var trackType = tracks.length > 1 ? Constants.HEADER_CHUNK_FORMAT1 : Constants.HEADER_CHUNK_FORMAT0;
+		var numberOfTracks = Utils.numberToBytes(tracks.length, 2); // two bytes long
+
+		// Header chunk
+		this.data.push(new Chunk({
+			type: Constants.HEADER_CHUNK_TYPE,
+			data: trackType.concat(numberOfTracks, Constants.HEADER_CHUNK_DIVISION) }));
+
+		// Track chunks
+		tracks.forEach(function (track, i) {
+			track.addEvent(new MetaEvent({ data: Constants.META_END_OF_TRACK_ID }));
+			this.data.push(track);
+		}, this);
+	}
+
+	/**
+  * Builds the file into a Uint8Array
+  * @return {Uint8Array}
+  */
+
+
+	_createClass(Writer, [{
+		key: 'buildFile',
+		value: function buildFile() {
+			var build = [];
+
+			// Data consists of chunks which consists of data
+			this.data.forEach(function (d) {
+				return build = build.concat(d.type, d.size, d.data);
+			});
+
+			return new Uint8Array(build);
+		}
+
+		/**
+   * Convert file buffer to a base64 string.  Different methods depending on if browser or node.
+   * @return {string}
+   */
+
+	}, {
+		key: 'base64',
+		value: function base64() {
+			if (typeof btoa === 'function') return btoa(String.fromCharCode.apply(null, this.buildFile()));
+			return new Buffer(this.buildFile()).toString('base64');
+		}
+
+		/**
+   * Get the data URI.
+   * @return {string}
+   */
+
+	}, {
+		key: 'dataUri',
+		value: function dataUri() {
+			return 'data:audio/midi;base64,' + this.base64();
+		}
+
+		/**
+   * Output to stdout
+   * @return {string}
+   */
+
+	}, {
+		key: 'stdout',
+		value: function stdout() {
+			return process.stdout.write(new Buffer(this.buildFile()));
+		}
+
+		/**
+   * Save to MIDI file
+   * @param {string} filename
+   */
+
+	}, {
+		key: 'saveMIDI',
+		value: function saveMIDI(filename) {
+			var buffer = new Buffer(this.buildFile());
+			fs.writeFile(filename + '.mid', buffer, function (err) {
+				if (err) return console.log(err);
+			});
+		}
+	}]);
+
+	return Writer;
+}();
+
+exports.Writer = Writer;
+//# 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* Object representation of the chunk section of a MIDI file.\n * @param {object} fields - {type: number, data: array, size: array}\n * @return {Chunk}\n */\nclass Chunk {\n\tconstructor(fields) {\n\t\tthis.type = fields.type;\n\t\tthis.data = fields.data;\n\t\tthis.size = [0, 0, 0, fields.data.length];\n\t}\n}\n\nexport {Chunk};\n/**\n * MIDI file format constants, including note -> MIDI number translation.\n * @return {Constants}\n */\n\nvar Constants = {\n\tVERSION\t\t\t\t\t: '1.5.2',\n\tHEADER_CHUNK_TYPE  \t\t: [0x4d, 0x54, 0x68, 0x64], // Mthd\n\tHEADER_CHUNK_LENGTH  \t: [0x00, 0x00, 0x00, 0x06], // Header size for SMF\n\tHEADER_CHUNK_FORMAT0    : [0x00, 0x00], // Midi Type 0 id\n\tHEADER_CHUNK_FORMAT1    : [0x00, 0x01], // Midi Type 1 id\n\tHEADER_CHUNK_DIVISION   : [0x00, 0x80], // Defaults to 128 ticks per beat\n\tTRACK_CHUNK_TYPE\t\t: [0x4d, 0x54, 0x72, 0x6b], // MTrk,\n\tMETA_EVENT_ID\t\t\t: 0xFF,\n\tMETA_TEXT_ID\t\t\t: 0x01,\n\tMETA_COPYRIGHT_ID\t\t: 0x02,\n\tMETA_TRACK_NAME_ID\t\t: 0x03,\n\tMETA_INSTRUMENT_NAME_ID : 0x04,\n\tMETA_LYRIC_ID\t\t\t: 0x05,\n\tMETA_MARKER_ID\t\t\t: 0x06,\n\tMETA_CUE_POINT\t\t\t: 0x07,\n\tMETA_TEMPO_ID\t\t\t: 0x51,\n\tMETA_SMTPE_OFFSET\t\t: 0x54,\n\tMETA_TIME_SIGNATURE_ID\t: 0x58,\n\tMETA_KEY_SIGNATURE_ID\t: 0x59,\n\tMETA_END_OF_TRACK_ID\t: [0x2F, 0x00],\n\tCONTROLLER_CHANGE_STATUS: 0xB0, // includes channel number (0)\n\tPROGRAM_CHANGE_STATUS\t: 0xC0, // includes channel number (0)\n};\n\nexport {Constants};\n/**\n * Holds all data for a \"controller change\" MIDI event\n * @param {object} fields {controllerNumber: integer, controllerValue: integer}\n * @return {ControllerChangeEvent}\n */\nclass ControllerChangeEvent {\n\tconstructor(fields) {\n\t\tthis.type = 'controller';\n\t\t// delta time defaults to 0.\n\t\tthis.data = Utils.numberToVariableLength(0x00).concat(Constants.CONTROLLER_CHANGE_STATUS, fields.controllerNumber, fields.controllerValue);\n\t}\n}\n\nexport {ControllerChangeEvent};\n/**\n * Object representation of a meta event.\n * @param {object} fields - type, data\n * @return {MetaEvent}\n */\nclass MetaEvent {\n\tconstructor(fields) {\n\t\tthis.type = 'meta';\n\t\tthis.data = Utils.numberToVariableLength(0x00);// Start with zero time delta\n\t\tthis.data = this.data.concat(Constants.META_EVENT_ID, fields.data);\n\t}\n}\n\nexport {MetaEvent};\n/**\n * Wrapper for noteOnEvent/noteOffEvent objects that builds both events.\n * @param {object} fields - {pitch: '[C4]', duration: '4', wait: '4', velocity: 1-100}\n * @return {NoteEvent}\n */\nclass NoteEvent {\n\tconstructor(fields) {\n\t\tthis.type \t\t= 'note';\n\t\tthis.pitch \t\t= Utils.toArray(fields.pitch);\n\t\tthis.wait \t\t= fields.wait || 0;\n\t\tthis.duration \t= fields.duration;\n\t\tthis.sequential = fields.sequential || false;\n\t\tthis.velocity \t= fields.velocity || 50;\n\t\tthis.channel \t= fields.channel || 1;\n\t\tthis.repeat \t= fields.repeat || 1;\n\t\tthis.velocity \t= this.convertVelocity(this.velocity);\n\t\tthis.grace\t\t= fields.grace;\n\t\tthis.buildData();\n\t}\n\n\t/**\n\t * Builds int array for this event.\n\t * @return {NoteEvent}\n\t */\n\tbuildData() {\n\t\tthis.data = [];\n\n\t\tvar tickDuration = this.getTickDuration(this.duration, 'note');\n\t\tvar restDuration = this.getTickDuration(this.wait, 'rest');\n\n\t\t// Apply grace note(s) and subtract ticks (currently 1 tick per grace note) from tickDuration so net value is the same\n\t\tif (this.grace) {\n\t\t\tlet graceDuration = 1;\n\t\t\tthis.grace = Utils.toArray(this.grace);\n\t\t\tthis.grace.forEach(function(pitch) {\n\t\t\t\tlet noteEvent = new NoteEvent({pitch:this.grace, duration:'T' + graceDuration});\n\t\t\t\tthis.data = this.data.concat(noteEvent.data)\n\n\t\t\t\ttickDuration -= graceDuration;\n\t\t\t}, this);\n\t\t}\n\n\t\t// fields.pitch could be an array of pitches.\n\t\t// If so create note events for each and apply the same duration.\n\t\tvar noteOn, noteOff;\n\t\tif (Array.isArray(this.pitch)) {\n\t\t\t// By default this is a chord if it's an array of notes that requires one NoteOnEvent.\n\t\t\t// If this.sequential === true then it's a sequential string of notes that requires separate NoteOnEvents.\n\t\t\tif ( ! this.sequential) {\n\t\t\t\t// Handle repeat\n\t\t\t\tfor (var j = 0; j < this.repeat; j++) {\n\t\t\t\t\t// Note on\n\t\t\t\t\tthis.pitch.forEach(function(p, i) {\n\t\t\t\t\t\tif (i == 0) {\n\t\t\t\t\t\t\tnoteOn = new NoteOnEvent({data: Utils.numberToVariableLength(restDuration).concat(this.getNoteOnStatus(), Utils.getPitch(p), this.velocity)});\n\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t// Running status (can ommit the note on status)\n\t\t\t\t\t\t\tnoteOn = new NoteOnEvent({data: [0, Utils.getPitch(p), this.velocity]});\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tthis.data = this.data.concat(noteOn.data);\n\t\t\t\t\t}, this);\n\n\t\t\t\t\t// Note off\n\t\t\t\t\tthis.pitch.forEach(function(p, i) {\n\t\t\t\t\t\tif (i == 0) {\n\t\t\t\t\t\t\tnoteOff = new NoteOffEvent({data: Utils.numberToVariableLength(tickDuration).concat(this.getNoteOffStatus(), Utils.getPitch(p), this.velocity)});\n\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t// Running status (can ommit the note off status)\n\t\t\t\t\t\t\tnoteOff = new NoteOffEvent({data: [0, Utils.getPitch(p), this.velocity]});\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tthis.data = this.data.concat(noteOff.data);\n\t\t\t\t\t}, this);\n\t\t\t\t}\n\n\t\t\t} else {\n\t\t\t\t// Handle repeat\n\t\t\t\tfor (var j = 0; j < this.repeat; j++) {\n\t\t\t\t\tthis.pitch.forEach(function(p, i) {\n\t\t\t\t\t\t// restDuration only applies to first note\n\t\t\t\t\t\tif (i > 0) {\n\t\t\t\t\t\t\trestDuration = 0;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// If duration is 8th triplets we need to make sure that the total ticks == quarter note.\n\t\t\t\t\t\t// So, the last one will need to be the remainder\n\t\t\t\t\t\tif (this.duration === '8t' && i == this.pitch.length - 1) {\n\t\t\t\t\t\t\tlet quarterTicks = Utils.numberFromBytes(Constants.HEADER_CHUNK_DIVISION);\n\t\t\t\t\t\t\ttickDuration = quarterTicks - (tickDuration * 2);\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tnoteOn = new NoteOnEvent({data: Utils.numberToVariableLength(restDuration).concat([this.getNoteOnStatus(), Utils.getPitch(p), this.velocity])});\n\t\t\t\t\t\tnoteOff = new NoteOffEvent({data: Utils.numberToVariableLength(tickDuration).concat([this.getNoteOffStatus(), Utils.getPitch(p), this.velocity])});\n\n\t\t\t\t\t\tthis.data = this.data.concat(noteOn.data, noteOff.data);\n\t\t\t\t\t}, this);\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn this;\n\t\t}\n\n\t\tthrow 'pitch must be an array.';\n\t};\n\n\t/**\n\t * Converts velocity to value 0-127\n\t * @param {number} velocity - Velocity value 1-100\n\t * @return {number}\n\t */\n\tconvertVelocity(velocity) {\n\t\t// Max passed value limited to 100\n\t\tvelocity = velocity > 100 ? 100 : velocity;\n\t\treturn Math.round(velocity / 100 * 127);\n\t};\n\n\t/**\n\t * Gets the total number of ticks based on passed duration.\n\t * Note: type=='note' defaults to quarter note, type==='rest' defaults to 0\n\t * @param {(string|array)} duration\n\t * @param {string} type ['note', 'rest']\n\t * @return {number}\n\t */\n\tgetTickDuration(duration, type) {\n\t\tif (Array.isArray(duration)) {\n\t\t\t// Recursively execute this method for each item in the array and return the sum of tick durations.\n\t\t\treturn duration.map(function(value) {\n\t\t\t\treturn this.getTickDuration(value, type);\n\t\t\t}, this).reduce(function(a, b) {\n\t\t\t\treturn a + b;\n\t\t\t}, 0);\n\t\t}\n\n\t\tduration = duration.toString();\n\n\t\tif (duration.toLowerCase().charAt(0) === 't') {\n\t\t\t// If duration starts with 't' then the number that follows is an explicit tick count\n\t\t\treturn parseInt(duration.substring(1));\n\t\t}\n\n\t\t// Need to apply duration here.  Quarter note == Constants.HEADER_CHUNK_DIVISION\n\t\t// Rounding only applies to triplets, which the remainder is handled below\n\t\tvar quarterTicks = Utils.numberFromBytes(Constants.HEADER_CHUNK_DIVISION);\n\t\treturn Math.round(quarterTicks * this.getDurationMultiplier(duration, type));\n\t}\n\n\t/**\n\t * Gets what to multiple ticks/quarter note by to get the specified duration.\n\t * Note: type=='note' defaults to quarter note, type==='rest' defaults to 0\n\t * @param {string} duration\n\t * @param {string} type ['note','rest']\n\t * @return {number}\n\t */\n\tgetDurationMultiplier(duration, type) {\n\t\t// Need to apply duration here.  Quarter note == Constants.HEADER_CHUNK_DIVISION\n\t\tswitch (duration) {\n\t\t\tcase '0':\n\t\t\t\treturn 0;\n\t\t\tcase '1':\n\t\t\t\treturn 4;\n\t\t\tcase '2':\n\t\t\t\treturn 2;\n\t\t\tcase 'd2':\n\t\t\t\treturn 3;\n\t\t\tcase '4':\n\t\t\t\treturn 1;\n\t\t\tcase '4t':\n\t\t\t\treturn 0.666;\n\t\t\tcase 'd4':\n\t\t\t\treturn 1.5;\n\t\t\tcase '8':\n\t\t\t\treturn 0.5;\n\t\t\tcase '8t':\n\t\t\t\t// For 8th triplets, let's divide a quarter by 3, round to the nearest int, and substract the remainder to the last one.\n\t\t\t\treturn 0.33;\n\t\t\tcase 'd8':\n\t\t\t\treturn 0.75;\n\t\t\tcase '16':\n\t\t\t\treturn 0.25;\n\t\t\tcase '16t':\n\t\t\t\treturn 0.166;\n\t\t\tcase '32':\n\t\t\t\treturn 0.125;\n\t\t\tcase '64':\n\t\t\t\treturn 0.0625;\n\t\t\tdefault:\n\t\t\t\t// Notes default to a quarter, rests default to 0\n\t\t\t\t//return type === 'note' ? 1 : 0;\n\t\t}\n\n\t\tthrow duration + ' is not a valid duration.';\n\t};\n\n\t/**\n\t * Gets the note on status code based on the selected channel. 0x9{0-F}\n\t * Note on at channel 0 is 0x90 (144)\n\t * 0 = Ch 1\n\t * @return {number}\n\t */\n\tgetNoteOnStatus() {return 144 + this.channel - 1}\n\n\t/**\n\t * Gets the note off status code based on the selected channel. 0x8{0-F}\n\t * Note off at channel 0 is 0x80 (128)\n\t * 0 = Ch 1\n\t * @return {number}\n\t */\n\tgetNoteOffStatus() {return 128 + this.channel - 1}\n}\n\nexport {NoteEvent};\n/**\n * Holds all data for a \"note off\" MIDI event\n * @param {object} fields {data: []}\n * @return {NoteOffEvent}\n */\nclass NoteOffEvent {\n\tconstructor(fields) {\n\t\tthis.data = fields.data;\n\t}\n}\n\nexport {NoteOffEvent};\n/**\n * Holds all data for a \"note on\" MIDI event\n * @param {object} fields {data: []}\n * @return {NoteOnEvent}\n */\nclass NoteOnEvent {\n\tconstructor(fields) {\n\t\tthis.data = fields.data;\n\t}\n}\n\nexport {NoteOnEvent};\n/**\n * Holds all data for a \"program change\" MIDI event\n * @param {object} fields {instrument: integer}\n * @return {ProgramChangeEvent}\n */\nclass ProgramChangeEvent {\n\tconstructor(fields) {\n\t\tthis.type = 'program';\n\t\t// delta time defaults to 0.\n\t\tthis.data = Utils.numberToVariableLength(0x00).concat(Constants.PROGRAM_CHANGE_STATUS, fields.instrument);\n\t}\n}\n\nexport {ProgramChangeEvent};\n/**\n * Holds all data for a track.\n * @param {object} fields {type: number, data: array, size: array, events: array}\n * @return {Track}\n */\nclass Track {\n\tconstructor() {\n\t\tthis.type = Constants.TRACK_CHUNK_TYPE;\n\t\tthis.data = [];\n\t\tthis.size = [];\n\t\tthis.events = [];\n\t}\n\n\t/**\n\t * Adds any event type to the track.\n\t * @param {(NoteEvent|MetaEvent|ProgramChangeEvent)} event - Event object.\n\t * @param {function} mapFunction - Callback which can be used to apply specific properties to all events. \n\t * @return {Track}\n\t */\n\taddEvent(event, mapFunction) {\n\t\tif (Array.isArray(event)) {\n\t\t\tevent.forEach(function(e, i) {\n\t\t\t\t// Handle map function if provided\n\t\t\t\tif (typeof mapFunction === 'function' && e.type === 'note') {\n\t\t\t\t\tvar properties = mapFunction(i, e);\n\n\t\t\t\t\tif (typeof properties === 'object') {\n\t\t\t\t\t\tfor (var j in properties) {\n\t\t\t\t\t\t\tswitch(j) {\n\t\t\t\t\t\t\t\tcase 'duration':\n\t\t\t\t\t\t\t\t\te.duration = properties[j];\n\t\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\t\tcase 'sequential':\n\t\t\t\t\t\t\t\t\te.sequential = properties[j];\n\t\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\t\tcase 'velocity':\n\t\t\t\t\t\t\t\t\te.velocity = e.convertVelocity(properties[j]);\n\t\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\t\t\n\n\t\t\t\t\t\t// Gotta build that data\n\t\t\t\t\t\te.buildData();\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tthis.data = this.data.concat(e.data);\n\t\t\t\tthis.size = Utils.numberToBytes(this.data.length, 4); // 4 bytes long\n\t\t\t\tthis.events.push(e);\n\t\t\t}, this);\n\n\t\t} else {\n\t\t\tthis.data = this.data.concat(event.data);\n\t\t\tthis.size = Utils.numberToBytes(this.data.length, 4); // 4 bytes long\n\t\t\tthis.events.push(event);\n\t\t}\n\n\t\treturn this;\n\t}\n\n\t/**\n\t * Sets tempo of the MIDI file.\n\t * @param {number} bpm - Tempo in beats per minute.\n\t * @return {Track}\n\t */\n\tsetTempo(bpm) {\n\t\tvar event = new MetaEvent({data: [Constants.META_TEMPO_ID]});\n\t\tevent.data.push(0x03); // Size\n\t\tvar tempo = Math.round(60000000 / bpm);\n\t\tevent.data = event.data.concat(Utils.numberToBytes(tempo, 3)); // Tempo, 3 bytes\n\t\treturn this.addEvent(event);\n\t}\n\n\t/**\n\t * Sets time signature.\n\t * @param {number} numerator - Top number of the time signature.\n\t * @param {number} denominator - Bottom number of the time signature.\n\t * @param {number} midiclockspertick - Defaults to 24.\n\t * @param {number} notespermidiclock - Defaults to 8.\n\t * @return {Track}\n\t */\n\tsetTimeSignature(numerator, denominator, midiclockspertick, notespermidiclock) {\n\t\tmidiclockspertick = midiclockspertick || 24;\n\t\tnotespermidiclock = notespermidiclock || 8;\n\t\t\n\t\tvar event = new MetaEvent({data: [Constants.META_TIME_SIGNATURE_ID]});\n\t\tevent.data.push(0x04); // Size\n\t\tevent.data = event.data.concat(Utils.numberToBytes(numerator, 1)); // Numerator, 1 bytes\n\t\t\n\t\tvar _denominator = Math.log2(denominator);\t// Denominator is expressed as pow of 2\n\t\tevent.data = event.data.concat(Utils.numberToBytes(_denominator, 1)); // Denominator, 1 bytes\n\t\tevent.data = event.data.concat(Utils.numberToBytes(midiclockspertick, 1)); // MIDI Clocks per tick, 1 bytes\n\t\tevent.data = event.data.concat(Utils.numberToBytes(notespermidiclock, 1)); // Number of 1/32 notes per MIDI clocks, 1 bytes\n\t\treturn this.addEvent(event);\n\t}\n\n\t/**\n\t * Sets key signature.\n\t * @param {*} sf - \n\t * @param {*} mi -\n\t * @return {Track}\n\t */\n\tsetKeySignature(sf, mi) {\n\t\tvar event = new MetaEvent({data: [Constants.META_KEY_SIGNATURE_ID]});\n\t\tevent.data.push(0x02); // Size\n\n\t\tvar mode = mi || 0;\n\t\tsf = sf || 0;\n\n\t\t//\tFunction called with string notation\n\t\tif (typeof mi === 'undefined') {\n\t\t\tvar fifths = [\n\t\t\t\t['Cb', 'Gb', 'Db', 'Ab', 'Eb', 'Bb', 'F', 'C', 'G', 'D', 'A', 'E', 'B', 'F#', 'C#'],\n\t\t\t\t['ab', 'eb', 'bb', 'f', 'c', 'g', 'd', 'a', 'e', 'b', 'f#', 'c#', 'g#', 'd#', 'a#']\n\t\t\t];\n\t\t\tvar _sflen = sf.length;\n\t\t\tvar note = sf || 'C';\n\n\t\t\tif (sf[0] === sf[0].toLowerCase()) mode = 1\n\n\t\t\tif (_sflen > 1) {\n\t\t\t\tswitch (sf.charAt(_sflen - 1)) {\n\t\t\t\t\tcase 'm':\n\t\t\t\t\t\tmode = 1;\n\t\t\t\t\t\tnote = sf.charAt(0).toLowerCase();\n\t\t\t\t\t\tnote = note.concat(sf.substring(1, _sflen - 1));\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase '-':\n\t\t\t\t\t\tmode = 1;\n\t\t\t\t\t\tnote = sf.charAt(0).toLowerCase();\n\t\t\t\t\t\tnote = note.concat(sf.substring(1, _sflen - 1));\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'M':\n\t\t\t\t\t\tmode = 0;\n\t\t\t\t\t\tnote = sf.charAt(0).toUpperCase();\n\t\t\t\t\t\tnote = note.concat(sf.substring(1, _sflen - 1));\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase '+':\n\t\t\t\t\t\tmode = 0;\n\t\t\t\t\t\tnote = sf.charAt(0).toUpperCase();\n\t\t\t\t\t\tnote = note.concat(sf.substring(1, _sflen - 1));\n\t\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tvar fifthindex = fifths[mode].indexOf(note);\n\t\t\tsf = fifthindex === -1 ? 0 : fifthindex - 7;\n\t\t}\n\n\t\tevent.data = event.data.concat(Utils.numberToBytes(sf, 1)); // Number of sharp or flats ( < 0 flat; > 0 sharp)\n\t\tevent.data = event.data.concat(Utils.numberToBytes(mode, 1)); // Mode: 0 major, 1 minor\n\t\treturn this.addEvent(event);\n\t}\n\n\t/**\n\t * Adds text to MIDI file.\n\t * @param {string} text - Text to add.\n\t * @return {Track}\n\t */\n\taddText(text) {\n\t\tvar event = new MetaEvent({data: [Constants.META_TEXT_ID]});\n\t\tvar stringBytes = Utils.stringToBytes(text);\n\t\tevent.data = event.data.concat(Utils.numberToVariableLength(stringBytes.length)); // Size\n\t\tevent.data = event.data.concat(stringBytes); // Text\n\t\treturn this.addEvent(event);\n\t}\n\n\t/**\n\t * Adds copyright to MIDI file.\n\t * @param {string} text - Text of copyright line.\n\t * @return {Track}\n\t */\n\taddCopyright(text) {\n\t\tvar event = new MetaEvent({data: [Constants.META_COPYRIGHT_ID]});\n\t\tvar stringBytes = Utils.stringToBytes(text);\n\t\tevent.data = event.data.concat(Utils.numberToVariableLength(stringBytes.length)); // Size\n\t\tevent.data = event.data.concat(stringBytes); // Text\n\t\treturn this.addEvent(event);\n\t}\n\n\t/**\n\t * Adds Sequence/Track Name.\n\t * @param {string} text - Text of track name.\n\t * @return {Track}\n\t */\n\taddTrackName(text) {\n\t\tvar event = new MetaEvent({data: [Constants.META_TRACK_NAME_ID]});\n\t\tvar stringBytes = Utils.stringToBytes(text);\n\t\tevent.data = event.data.concat(Utils.numberToVariableLength(stringBytes.length)); // Size\n\t\tevent.data = event.data.concat(stringBytes); // Text\n\t\treturn this.addEvent(event);\n\t}\n\n\t/**\n\t * Sets instrument name of track.\n\t * @param {string} text - Name of instrument.\n\t * @return {Track}\n\t */\n\taddInstrumentName(text) {\n\t\tvar event = new MetaEvent({data: [Constants.META_INSTRUMENT_NAME_ID]});\n\t\tvar stringBytes = Utils.stringToBytes(text);\n\t\tevent.data = event.data.concat(Utils.numberToVariableLength(stringBytes.length)); // Size\n\t\tevent.data = event.data.concat(stringBytes); // Text\n\t\treturn this.addEvent(event);\n\t}\n\n\t/**\n\t * Adds marker to MIDI file.\n\t * @param {string} text - Marker text.\n\t * @return {Track}\n\t */\n\taddMarker(text) {\n\t\tvar event = new MetaEvent({data: [Constants.META_MARKER_ID]});\n\t\tvar stringBytes = Utils.stringToBytes(text);\n\t\tevent.data = event.data.concat(Utils.numberToVariableLength(stringBytes.length)); // Size\n\t\tevent.data = event.data.concat(stringBytes); // Text\n\t\treturn this.addEvent(event);\n\t}\n\n\t/**\n\t * Adds cue point to MIDI file.\n\t * @param {string} text - Text of cue point.\n\t * @return {Track}\n\t */\n\taddCuePoint(text) {\n\t\tvar event = new MetaEvent({data: [Constants.META_CUE_POINT]});\n\t\tvar stringBytes = Utils.stringToBytes(text);\n\t\tevent.data = event.data.concat(Utils.numberToVariableLength(stringBytes.length)); // Size\n\t\tevent.data = event.data.concat(stringBytes); // Text\n\t\treturn this.addEvent(event);\n\t}\n\n\t/**\n\t * Adds lyric to MIDI file.\n\t * @param {string} lyric - Lyric text to add.\n\t * @return {Track}\n\t */\n\taddLyric(lyric) {\n\t\tvar event = new MetaEvent({data: [Constants.META_LYRIC_ID]});\n\t\tvar stringBytes = Utils.stringToBytes(lyric);\n\t\tevent.data = event.data.concat(Utils.numberToVariableLength(stringBytes.length)); // Size\n\t\tevent.data = event.data.concat(stringBytes); // Lyric\n\t\treturn this.addEvent(event);\n\t}\n\n\t/**\n\t * Channel mode messages\n\t * @return {Track}\n\t */\n\tpolyModeOn() {\n\t\tvar event = new NoteOnEvent({data: [0x00, 0xB0, 0x7E, 0x00]});\n\t\treturn this.addEvent(event);\n\t}\n\n}\n\nexport {Track};\nimport {toMidi} from 'tonal-midi';\n\n/**\n * Static utility functions used throughout the library.\n */\nclass Utils {\n\n\t/**\n\t * Gets MidiWriterJS version number.\n\t * @return {string}\n\t */\n\tstatic version() {\n\t\treturn Constants.VERSION;\n\t}\n\n\t/**\n\t * Convert a string to an array of bytes\n\t * @param {string} string\n\t * @return {array}\n\t */\n\tstatic stringToBytes(string) {\n\t\treturn string.split('').map(char => char.charCodeAt())\n\t}\n\n\t/**\n\t * Checks if argument is a valid number.\n\t * @param {*} n - Value to check\n\t * @return {boolean}\n\t */\n\tstatic isNumeric(n) {\n\t\treturn !isNaN(parseFloat(n)) && isFinite(n)\n\t}\n\n\t/**\n     * Returns the correct MIDI number for the specified pitch.\n     * Uses Tonal Midi - https://github.com/danigb/tonal/tree/master/packages/midi\n     * @param {(string|number)} pitch - 'C#4' or midi note code\n     * @return {number}\n     */\n     static getPitch(pitch) {\n     \treturn toMidi(pitch);\n     }\n\n\t/**\n\t * Translates number of ticks to MIDI timestamp format, returning an array of\n\t * hex strings with the time values. Midi has a very particular time to express time,\n\t * take a good look at the spec before ever touching this function.\n\t * Thanks to https://github.com/sergi/jsmidi\n\t *\n\t * @param {number} ticks - Number of ticks to be translated\n\t * @return {array} - Bytes that form the MIDI time value\n\t */\n\tstatic numberToVariableLength(ticks) {\n\t    var buffer = ticks & 0x7F;\n\n\t    while (ticks = ticks >> 7) {\n\t        buffer <<= 8;\n\t        buffer |= ((ticks & 0x7F) | 0x80);\n\t    }\n\n\t    var bList = [];\n\t    while (true) {\n\t        bList.push(buffer & 0xff);\n\n\t        if (buffer & 0x80) buffer >>= 8\n\t        else { break; }\n\t    }\n\n\t    return bList;\n\t}\n\n\t/**\n\t * Counts number of bytes in string\n\t * @param {string} s\n\t * @return {array}\n\t */\n\tstatic stringByteCount(s) {\n\t\treturn encodeURI(s).split(/%..|./).length - 1\n\t}\n\n\t/**\n\t * Get an int from an array of bytes.\n\t * @param {array} bytes\n\t * @return {number}\n\t */\n\tstatic numberFromBytes(bytes) {\n\t\tvar hex = '';\n\t\tvar stringResult;\n\n\t\tbytes.forEach(function(byte) {\n\t\t\tstringResult = byte.toString(16);\n\n\t\t\t// ensure string is 2 chars\n\t\t\tif (stringResult.length == 1) stringResult = \"0\" + stringResult\n\n\t\t\thex += stringResult;\n\t\t});\n\n\t\treturn parseInt(hex, 16);\n\t}\n\n\t/**\n\t * Takes a number and splits it up into an array of bytes.  Can be padded by passing a number to bytesNeeded\n\t * @param {number} number\n\t * @param {number} bytesNeeded\n\t * @return {array} - Array of bytes\n\t */\n\tstatic numberToBytes(number, bytesNeeded) {\n\t\tbytesNeeded = bytesNeeded || 1;\n\n\t\tvar hexString = number.toString(16);\n\n\t\tif (hexString.length & 1) { // Make sure hex string is even number of chars\n\t\t\thexString = '0' + hexString;\n\t\t}\n\n\t\t// Split hex string into an array of two char elements\n\t\tvar hexArray = hexString.match(/.{2}/g);\n\n\t\t// Now parse them out as integers\n\t\thexArray = hexArray.map(item => parseInt(item, 16))\n\n\t\t// Prepend empty bytes if we don't have enough\n\t\tif (hexArray.length < bytesNeeded) {\n\t\t\twhile (bytesNeeded - hexArray.length > 0) {\n\t\t\t\thexArray.unshift(0);\n\t\t\t}\n\t\t}\n\n\t\treturn hexArray;\n\t}\n\n\t/**\t\n\t * Converts value to array if needed.\n\t * @param {string} value\n\t * @return {array}\n\t */\n\tstatic toArray(value) {\n\t\tif (Array.isArray(value)) return value;\n\t\treturn [value];\n\t}\n}\n\nexport {Utils};\nclass VexFlow {\n\t\n\tconstructor() {\n\t\t// code...\n\t}\n\n\t/**\n\t * Support for converting VexFlow voice into MidiWriterJS track\n\t * @return MidiWritier.Track object\n\t */\n\ttrackFromVoice(voice) {\n\t\tvar track = new Track();\n\t\tvar wait;\n\t\tvar pitches = [];\n\n\t\tvoice.tickables.forEach(function(tickable) {\n\t\t\tpitches = [];\n\n\t\t\tif (tickable.noteType === 'n') {\n\t\t\t\ttickable.keys.forEach(function(key) {\n\t\t\t\t\t// build array of pitches\n\t\t\t\t\tpitches.push(this.convertPitch(key));\n\t\t\t\t});\n\n\t\t\t} else if (tickable.noteType === 'r') {\n\t\t\t\t// move on to the next tickable and use this rest as a `wait` property for the next event\n\t\t\t\twait = this.convertDuration(tickable);\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\ttrack.addEvent(new NoteEvent({pitch: pitches, duration: this.convertDuration(tickable), wait: wait}));\n\t\t\t\n\t\t\t// reset wait\n\t\t\twait = 0;\n\t\t});\n\n\t\treturn track;\n\t}\n\n\n\t/**\n\t * Converts VexFlow pitch syntax to MidiWriterJS syntax\n\t * @param pitch string\n\t */\n\tconvertPitch(pitch) {\n\t\treturn pitch.replace('/', '');\n\t} \n\n\n\t/**\n\t * Converts VexFlow duration syntax to MidiWriterJS syntax\n\t * @param note struct from VexFlow\n\t */\n\tconvertDuration(note) {\n\t\tswitch (note.duration) {\n\t\t\tcase 'w':\n\t\t\t\treturn '1';\n\t\t\tcase 'h':\n\t\t\t\treturn note.isDotted() ? 'd2' : '2';\n\t\t\tcase 'q':\n\t\t\t\treturn note.isDotted() ? 'd4' : '4';\n\t\t\tcase '8':\n\t\t\t\treturn note.isDotted() ? 'd8' : '8';\n\t\t}\n\n\t\treturn note.duration;\n\t};\n}\n\nexport {VexFlow};\n/**\n * Object that puts together tracks and provides methods for file output.\n * @param {array} tracks - An array of {Track} objects.\n * @return {Writer}\n */\nclass Writer {\n\tconstructor(tracks) {\n\t\tthis.data = [];\n\n\t\tvar trackType = tracks.length > 1 ? Constants.HEADER_CHUNK_FORMAT1 : Constants.HEADER_CHUNK_FORMAT0;\n\t\tvar numberOfTracks = Utils.numberToBytes(tracks.length, 2); // two bytes long\n\n\t\t// Header chunk\n\t\tthis.data.push(new Chunk({\n\t\t\t\t\t\t\t\ttype: Constants.HEADER_CHUNK_TYPE,\n\t\t\t\t\t\t\t\tdata: trackType.concat(numberOfTracks, Constants.HEADER_CHUNK_DIVISION)}));\n\n\t\t// Track chunks\n\t\ttracks.forEach(function(track, i) {\n\t\t\ttrack.addEvent(new MetaEvent({data: Constants.META_END_OF_TRACK_ID}));\n\t\t\tthis.data.push(track);\n\t\t}, this);\n\t}\n\n\t/**\n\t * Builds the file into a Uint8Array\n\t * @return {Uint8Array}\n\t */\n\tbuildFile() {\n\t\tvar build = [];\n\n\t\t// Data consists of chunks which consists of data\n\t\tthis.data.forEach((d) => build = build.concat(d.type, d.size, d.data));\n\n\t\treturn new Uint8Array(build);\n\t}\n\n\t/**\n\t * Convert file buffer to a base64 string.  Different methods depending on if browser or node.\n\t * @return {string}\n\t */\n\tbase64() {\n\t\tif (typeof btoa === 'function') return btoa(String.fromCharCode.apply(null, this.buildFile()));\n\t\treturn new Buffer(this.buildFile()).toString('base64');\n\t}\n\n    /**\n     * Get the data URI.\n     * @return {string}\n     */\n    dataUri() {\n    \treturn 'data:audio/midi;base64,' + this.base64();\n    }\n\n\t/**\n\t * Output to stdout\n\t * @return {string}\n\t */\n    stdout() {\n    \treturn process.stdout.write(new Buffer(this.buildFile()));\n    }\n\n\t/**\n\t * Save to MIDI file\n\t * @param {string} filename\n\t */\n\tsaveMIDI(filename) {\n\t\tvar buffer = new Buffer(this.buildFile());\n\t\tfs.writeFile(filename + '.mid', buffer, function (err) {\n\t\t\tif(err) return console.log(err);\n\t\t});\n\t}\n}\n\nexport {Writer};\n"]}
+
+/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(13).Buffer, __webpack_require__(17)))
+
+/***/ }),
+/* 12 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+exports.byteLength = byteLength
+exports.toByteArray = toByteArray
+exports.fromByteArray = fromByteArray
+
+var lookup = []
+var revLookup = []
+var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array
+
+var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
+for (var i = 0, len = code.length; i < len; ++i) {
+  lookup[i] = code[i]
+  revLookup[code.charCodeAt(i)] = i
+}
+
+revLookup['-'.charCodeAt(0)] = 62
+revLookup['_'.charCodeAt(0)] = 63
+
+function placeHoldersCount (b64) {
+  var len = b64.length
+  if (len % 4 > 0) {
+    throw new Error('Invalid string. Length must be a multiple of 4')
+  }
+
+  // the number of equal signs (place holders)
+  // if there are two placeholders, than the two characters before it
+  // represent one byte
+  // if there is only one, then the three characters before it represent 2 bytes
+  // this is just a cheap hack to not do indexOf twice
+  return b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0
+}
+
+function byteLength (b64) {
+  // base64 is 4/3 + up to two characters of the original data
+  return b64.length * 3 / 4 - placeHoldersCount(b64)
+}
+
+function toByteArray (b64) {
+  var i, j, l, tmp, placeHolders, arr
+  var len = b64.length
+  placeHolders = placeHoldersCount(b64)
+
+  arr = new Arr(len * 3 / 4 - placeHolders)
+
+  // if there are placeholders, only get up to the last complete 4 chars
+  l = placeHolders > 0 ? len - 4 : len
+
+  var L = 0
+
+  for (i = 0, j = 0; i < l; i += 4, j += 3) {
+    tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)]
+    arr[L++] = (tmp >> 16) & 0xFF
+    arr[L++] = (tmp >> 8) & 0xFF
+    arr[L++] = tmp & 0xFF
+  }
+
+  if (placeHolders === 2) {
+    tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4)
+    arr[L++] = tmp & 0xFF
+  } else if (placeHolders === 1) {
+    tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2)
+    arr[L++] = (tmp >> 8) & 0xFF
+    arr[L++] = tmp & 0xFF
+  }
+
+  return arr
+}
+
+function tripletToBase64 (num) {
+  return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F]
+}
+
+function encodeChunk (uint8, start, end) {
+  var tmp
+  var output = []
+  for (var i = start; i < end; i += 3) {
+    tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2])
+    output.push(tripletToBase64(tmp))
+  }
+  return output.join('')
+}
+
+function fromByteArray (uint8) {
+  var tmp
+  var len = uint8.length
+  var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
+  var output = ''
+  var parts = []
+  var maxChunkLength = 16383 // must be multiple of 3
+
+  // go through the array every three bytes, we'll deal with trailing stuff later
+  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
+    parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))
+  }
+
+  // pad the end with zeros, but make sure to not forget the extra bytes
+  if (extraBytes === 1) {
+    tmp = uint8[len - 1]
+    output += lookup[tmp >> 2]
+    output += lookup[(tmp << 4) & 0x3F]
+    output += '=='
+  } else if (extraBytes === 2) {
+    tmp = (uint8[len - 2] << 8) + (uint8[len - 1])
+    output += lookup[tmp >> 10]
+    output += lookup[(tmp >> 4) & 0x3F]
+    output += lookup[(tmp << 2) & 0x3F]
+    output += '='
+  }
+
+  parts.push(output)
+
+  return parts.join('')
+}
+
+
+/***/ }),
+/* 13 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/* WEBPACK VAR INJECTION */(function(global) {/*!
+ * The buffer module from node.js, for the browser.
+ *
+ * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
+ * @license  MIT
+ */
+/* eslint-disable no-proto */
+
+
+
+var base64 = __webpack_require__(12)
+var ieee754 = __webpack_require__(14)
+var isArray = __webpack_require__(15)
+
+exports.Buffer = Buffer
+exports.SlowBuffer = SlowBuffer
+exports.INSPECT_MAX_BYTES = 50
+
+/**
+ * If `Buffer.TYPED_ARRAY_SUPPORT`:
+ *   === true    Use Uint8Array implementation (fastest)
+ *   === false   Use Object implementation (most compatible, even IE6)
+ *
+ * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
+ * Opera 11.6+, iOS 4.2+.
+ *
+ * Due to various browser bugs, sometimes the Object implementation will be used even
+ * when the browser supports typed arrays.
+ *
+ * Note:
+ *
+ *   - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
+ *     See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
+ *
+ *   - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
+ *
+ *   - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
+ *     incorrect length in some situations.
+
+ * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
+ * get the Object implementation, which is slower but behaves correctly.
+ */
+Buffer.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined
+  ? global.TYPED_ARRAY_SUPPORT
+  : typedArraySupport()
+
+/*
+ * Export kMaxLength after typed array support is determined.
+ */
+exports.kMaxLength = kMaxLength()
+
+function typedArraySupport () {
+  try {
+    var arr = new Uint8Array(1)
+    arr.__proto__ = {__proto__: Uint8Array.prototype, foo: function () { return 42 }}
+    return arr.foo() === 42 && // typed array instances can be augmented
+        typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`
+        arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`
+  } catch (e) {
+    return false
+  }
+}
+
+function kMaxLength () {
+  return Buffer.TYPED_ARRAY_SUPPORT
+    ? 0x7fffffff
+    : 0x3fffffff
+}
+
+function createBuffer (that, length) {
+  if (kMaxLength() < length) {
+    throw new RangeError('Invalid typed array length')
+  }
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    // Return an augmented `Uint8Array` instance, for best performance
+    that = new Uint8Array(length)
+    that.__proto__ = Buffer.prototype
+  } else {
+    // Fallback: Return an object instance of the Buffer class
+    if (that === null) {
+      that = new Buffer(length)
+    }
+    that.length = length
+  }
+
+  return that
+}
+
+/**
+ * The Buffer constructor returns instances of `Uint8Array` that have their
+ * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
+ * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
+ * and the `Uint8Array` methods. Square bracket notation works as expected -- it
+ * returns a single octet.
+ *
+ * The `Uint8Array` prototype remains unmodified.
+ */
+
+function Buffer (arg, encodingOrOffset, length) {
+  if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) {
+    return new Buffer(arg, encodingOrOffset, length)
+  }
+
+  // Common case.
+  if (typeof arg === 'number') {
+    if (typeof encodingOrOffset === 'string') {
+      throw new Error(
+        'If encoding is specified then the first argument must be a string'
+      )
+    }
+    return allocUnsafe(this, arg)
+  }
+  return from(this, arg, encodingOrOffset, length)
+}
+
+Buffer.poolSize = 8192 // not used by this implementation
+
+// TODO: Legacy, not needed anymore. Remove in next major version.
+Buffer._augment = function (arr) {
+  arr.__proto__ = Buffer.prototype
+  return arr
+}
+
+function from (that, value, encodingOrOffset, length) {
+  if (typeof value === 'number') {
+    throw new TypeError('"value" argument must not be a number')
+  }
+
+  if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
+    return fromArrayBuffer(that, value, encodingOrOffset, length)
+  }
+
+  if (typeof value === 'string') {
+    return fromString(that, value, encodingOrOffset)
+  }
+
+  return fromObject(that, value)
+}
+
+/**
+ * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
+ * if value is a number.
+ * Buffer.from(str[, encoding])
+ * Buffer.from(array)
+ * Buffer.from(buffer)
+ * Buffer.from(arrayBuffer[, byteOffset[, length]])
+ **/
+Buffer.from = function (value, encodingOrOffset, length) {
+  return from(null, value, encodingOrOffset, length)
+}
+
+if (Buffer.TYPED_ARRAY_SUPPORT) {
+  Buffer.prototype.__proto__ = Uint8Array.prototype
+  Buffer.__proto__ = Uint8Array
+  if (typeof Symbol !== 'undefined' && Symbol.species &&
+      Buffer[Symbol.species] === Buffer) {
+    // Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97
+    Object.defineProperty(Buffer, Symbol.species, {
+      value: null,
+      configurable: true
+    })
+  }
+}
+
+function assertSize (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('"size" argument must be a number')
+  } else if (size < 0) {
+    throw new RangeError('"size" argument must not be negative')
+  }
+}
+
+function alloc (that, size, fill, encoding) {
+  assertSize(size)
+  if (size <= 0) {
+    return createBuffer(that, size)
+  }
+  if (fill !== undefined) {
+    // Only pay attention to encoding if it's a string. This
+    // prevents accidentally sending in a number that would
+    // be interpretted as a start offset.
+    return typeof encoding === 'string'
+      ? createBuffer(that, size).fill(fill, encoding)
+      : createBuffer(that, size).fill(fill)
+  }
+  return createBuffer(that, size)
+}
+
+/**
+ * Creates a new filled Buffer instance.
+ * alloc(size[, fill[, encoding]])
+ **/
+Buffer.alloc = function (size, fill, encoding) {
+  return alloc(null, size, fill, encoding)
+}
+
+function allocUnsafe (that, size) {
+  assertSize(size)
+  that = createBuffer(that, size < 0 ? 0 : checked(size) | 0)
+  if (!Buffer.TYPED_ARRAY_SUPPORT) {
+    for (var i = 0; i < size; ++i) {
+      that[i] = 0
+    }
+  }
+  return that
+}
+
+/**
+ * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
+ * */
+Buffer.allocUnsafe = function (size) {
+  return allocUnsafe(null, size)
+}
+/**
+ * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
+ */
+Buffer.allocUnsafeSlow = function (size) {
+  return allocUnsafe(null, size)
+}
+
+function fromString (that, string, encoding) {
+  if (typeof encoding !== 'string' || encoding === '') {
+    encoding = 'utf8'
+  }
+
+  if (!Buffer.isEncoding(encoding)) {
+    throw new TypeError('"encoding" must be a valid string encoding')
+  }
+
+  var length = byteLength(string, encoding) | 0
+  that = createBuffer(that, length)
+
+  var actual = that.write(string, encoding)
+
+  if (actual !== length) {
+    // Writing a hex string, for example, that contains invalid characters will
+    // cause everything after the first invalid character to be ignored. (e.g.
+    // 'abxxcd' will be treated as 'ab')
+    that = that.slice(0, actual)
+  }
+
+  return that
+}
+
+function fromArrayLike (that, array) {
+  var length = array.length < 0 ? 0 : checked(array.length) | 0
+  that = createBuffer(that, length)
+  for (var i = 0; i < length; i += 1) {
+    that[i] = array[i] & 255
+  }
+  return that
+}
+
+function fromArrayBuffer (that, array, byteOffset, length) {
+  array.byteLength // this throws if `array` is not a valid ArrayBuffer
+
+  if (byteOffset < 0 || array.byteLength < byteOffset) {
+    throw new RangeError('\'offset\' is out of bounds')
+  }
+
+  if (array.byteLength < byteOffset + (length || 0)) {
+    throw new RangeError('\'length\' is out of bounds')
+  }
+
+  if (byteOffset === undefined && length === undefined) {
+    array = new Uint8Array(array)
+  } else if (length === undefined) {
+    array = new Uint8Array(array, byteOffset)
+  } else {
+    array = new Uint8Array(array, byteOffset, length)
+  }
+
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    // Return an augmented `Uint8Array` instance, for best performance
+    that = array
+    that.__proto__ = Buffer.prototype
+  } else {
+    // Fallback: Return an object instance of the Buffer class
+    that = fromArrayLike(that, array)
+  }
+  return that
+}
+
+function fromObject (that, obj) {
+  if (Buffer.isBuffer(obj)) {
+    var len = checked(obj.length) | 0
+    that = createBuffer(that, len)
+
+    if (that.length === 0) {
+      return that
+    }
+
+    obj.copy(that, 0, 0, len)
+    return that
+  }
+
+  if (obj) {
+    if ((typeof ArrayBuffer !== 'undefined' &&
+        obj.buffer instanceof ArrayBuffer) || 'length' in obj) {
+      if (typeof obj.length !== 'number' || isnan(obj.length)) {
+        return createBuffer(that, 0)
+      }
+      return fromArrayLike(that, obj)
+    }
+
+    if (obj.type === 'Buffer' && isArray(obj.data)) {
+      return fromArrayLike(that, obj.data)
+    }
+  }
+
+  throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')
+}
+
+function checked (length) {
+  // Note: cannot use `length < kMaxLength()` here because that fails when
+  // length is NaN (which is otherwise coerced to zero.)
+  if (length >= kMaxLength()) {
+    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
+                         'size: 0x' + kMaxLength().toString(16) + ' bytes')
+  }
+  return length | 0
+}
+
+function SlowBuffer (length) {
+  if (+length != length) { // eslint-disable-line eqeqeq
+    length = 0
+  }
+  return Buffer.alloc(+length)
+}
+
+Buffer.isBuffer = function isBuffer (b) {
+  return !!(b != null && b._isBuffer)
+}
+
+Buffer.compare = function compare (a, b) {
+  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
+    throw new TypeError('Arguments must be Buffers')
+  }
+
+  if (a === b) return 0
+
+  var x = a.length
+  var y = b.length
+
+  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
+    if (a[i] !== b[i]) {
+      x = a[i]
+      y = b[i]
+      break
+    }
+  }
+
+  if (x < y) return -1
+  if (y < x) return 1
+  return 0
+}
+
+Buffer.isEncoding = function isEncoding (encoding) {
+  switch (String(encoding).toLowerCase()) {
+    case 'hex':
+    case 'utf8':
+    case 'utf-8':
+    case 'ascii':
+    case 'latin1':
+    case 'binary':
+    case 'base64':
+    case 'ucs2':
+    case 'ucs-2':
+    case 'utf16le':
+    case 'utf-16le':
+      return true
+    default:
+      return false
+  }
+}
+
+Buffer.concat = function concat (list, length) {
+  if (!isArray(list)) {
+    throw new TypeError('"list" argument must be an Array of Buffers')
+  }
+
+  if (list.length === 0) {
+    return Buffer.alloc(0)
+  }
+
+  var i
+  if (length === undefined) {
+    length = 0
+    for (i = 0; i < list.length; ++i) {
+      length += list[i].length
+    }
+  }
+
+  var buffer = Buffer.allocUnsafe(length)
+  var pos = 0
+  for (i = 0; i < list.length; ++i) {
+    var buf = list[i]
+    if (!Buffer.isBuffer(buf)) {
+      throw new TypeError('"list" argument must be an Array of Buffers')
+    }
+    buf.copy(buffer, pos)
+    pos += buf.length
+  }
+  return buffer
+}
+
+function byteLength (string, encoding) {
+  if (Buffer.isBuffer(string)) {
+    return string.length
+  }
+  if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' &&
+      (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
+    return string.byteLength
+  }
+  if (typeof string !== 'string') {
+    string = '' + string
+  }
+
+  var len = string.length
+  if (len === 0) return 0
+
+  // Use a for loop to avoid recursion
+  var loweredCase = false
+  for (;;) {
+    switch (encoding) {
+      case 'ascii':
+      case 'latin1':
+      case 'binary':
+        return len
+      case 'utf8':
+      case 'utf-8':
+      case undefined:
+        return utf8ToBytes(string).length
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return len * 2
+      case 'hex':
+        return len >>> 1
+      case 'base64':
+        return base64ToBytes(string).length
+      default:
+        if (loweredCase) return utf8ToBytes(string).length // assume utf8
+        encoding = ('' + encoding).toLowerCase()
+        loweredCase = true
+    }
+  }
+}
+Buffer.byteLength = byteLength
+
+function slowToString (encoding, start, end) {
+  var loweredCase = false
+
+  // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
+  // property of a typed array.
+
+  // This behaves neither like String nor Uint8Array in that we set start/end
+  // to their upper/lower bounds if the value passed is out of range.
+  // undefined is handled specially as per ECMA-262 6th Edition,
+  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
+  if (start === undefined || start < 0) {
+    start = 0
+  }
+  // Return early if start > this.length. Done here to prevent potential uint32
+  // coercion fail below.
+  if (start > this.length) {
+    return ''
+  }
+
+  if (end === undefined || end > this.length) {
+    end = this.length
+  }
+
+  if (end <= 0) {
+    return ''
+  }
+
+  // Force coersion to uint32. This will also coerce falsey/NaN values to 0.
+  end >>>= 0
+  start >>>= 0
+
+  if (end <= start) {
+    return ''
+  }
+
+  if (!encoding) encoding = 'utf8'
+
+  while (true) {
+    switch (encoding) {
+      case 'hex':
+        return hexSlice(this, start, end)
+
+      case 'utf8':
+      case 'utf-8':
+        return utf8Slice(this, start, end)
+
+      case 'ascii':
+        return asciiSlice(this, start, end)
+
+      case 'latin1':
+      case 'binary':
+        return latin1Slice(this, start, end)
+
+      case 'base64':
+        return base64Slice(this, start, end)
+
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return utf16leSlice(this, start, end)
+
+      default:
+        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+        encoding = (encoding + '').toLowerCase()
+        loweredCase = true
+    }
+  }
+}
+
+// The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect
+// Buffer instances.
+Buffer.prototype._isBuffer = true
+
+function swap (b, n, m) {
+  var i = b[n]
+  b[n] = b[m]
+  b[m] = i
+}
+
+Buffer.prototype.swap16 = function swap16 () {
+  var len = this.length
+  if (len % 2 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 16-bits')
+  }
+  for (var i = 0; i < len; i += 2) {
+    swap(this, i, i + 1)
+  }
+  return this
+}
+
+Buffer.prototype.swap32 = function swap32 () {
+  var len = this.length
+  if (len % 4 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 32-bits')
+  }
+  for (var i = 0; i < len; i += 4) {
+    swap(this, i, i + 3)
+    swap(this, i + 1, i + 2)
+  }
+  return this
+}
+
+Buffer.prototype.swap64 = function swap64 () {
+  var len = this.length
+  if (len % 8 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 64-bits')
+  }
+  for (var i = 0; i < len; i += 8) {
+    swap(this, i, i + 7)
+    swap(this, i + 1, i + 6)
+    swap(this, i + 2, i + 5)
+    swap(this, i + 3, i + 4)
+  }
+  return this
+}
+
+Buffer.prototype.toString = function toString () {
+  var length = this.length | 0
+  if (length === 0) return ''
+  if (arguments.length === 0) return utf8Slice(this, 0, length)
+  return slowToString.apply(this, arguments)
+}
+
+Buffer.prototype.equals = function equals (b) {
+  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
+  if (this === b) return true
+  return Buffer.compare(this, b) === 0
+}
+
+Buffer.prototype.inspect = function inspect () {
+  var str = ''
+  var max = exports.INSPECT_MAX_BYTES
+  if (this.length > 0) {
+    str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')
+    if (this.length > max) str += ' ... '
+  }
+  return '<Buffer ' + str + '>'
+}
+
+Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
+  if (!Buffer.isBuffer(target)) {
+    throw new TypeError('Argument must be a Buffer')
+  }
+
+  if (start === undefined) {
+    start = 0
+  }
+  if (end === undefined) {
+    end = target ? target.length : 0
+  }
+  if (thisStart === undefined) {
+    thisStart = 0
+  }
+  if (thisEnd === undefined) {
+    thisEnd = this.length
+  }
+
+  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
+    throw new RangeError('out of range index')
+  }
+
+  if (thisStart >= thisEnd && start >= end) {
+    return 0
+  }
+  if (thisStart >= thisEnd) {
+    return -1
+  }
+  if (start >= end) {
+    return 1
+  }
+
+  start >>>= 0
+  end >>>= 0
+  thisStart >>>= 0
+  thisEnd >>>= 0
+
+  if (this === target) return 0
+
+  var x = thisEnd - thisStart
+  var y = end - start
+  var len = Math.min(x, y)
+
+  var thisCopy = this.slice(thisStart, thisEnd)
+  var targetCopy = target.slice(start, end)
+
+  for (var i = 0; i < len; ++i) {
+    if (thisCopy[i] !== targetCopy[i]) {
+      x = thisCopy[i]
+      y = targetCopy[i]
+      break
+    }
+  }
+
+  if (x < y) return -1
+  if (y < x) return 1
+  return 0
+}
+
+// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
+// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
+//
+// Arguments:
+// - buffer - a Buffer to search
+// - val - a string, Buffer, or number
+// - byteOffset - an index into `buffer`; will be clamped to an int32
+// - encoding - an optional encoding, relevant is val is a string
+// - dir - true for indexOf, false for lastIndexOf
+function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
+  // Empty buffer means no match
+  if (buffer.length === 0) return -1
+
+  // Normalize byteOffset
+  if (typeof byteOffset === 'string') {
+    encoding = byteOffset
+    byteOffset = 0
+  } else if (byteOffset > 0x7fffffff) {
+    byteOffset = 0x7fffffff
+  } else if (byteOffset < -0x80000000) {
+    byteOffset = -0x80000000
+  }
+  byteOffset = +byteOffset  // Coerce to Number.
+  if (isNaN(byteOffset)) {
+    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
+    byteOffset = dir ? 0 : (buffer.length - 1)
+  }
+
+  // Normalize byteOffset: negative offsets start from the end of the buffer
+  if (byteOffset < 0) byteOffset = buffer.length + byteOffset
+  if (byteOffset >= buffer.length) {
+    if (dir) return -1
+    else byteOffset = buffer.length - 1
+  } else if (byteOffset < 0) {
+    if (dir) byteOffset = 0
+    else return -1
+  }
+
+  // Normalize val
+  if (typeof val === 'string') {
+    val = Buffer.from(val, encoding)
+  }
+
+  // Finally, search either indexOf (if dir is true) or lastIndexOf
+  if (Buffer.isBuffer(val)) {
+    // Special case: looking for empty string/buffer always fails
+    if (val.length === 0) {
+      return -1
+    }
+    return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
+  } else if (typeof val === 'number') {
+    val = val & 0xFF // Search for a byte value [0-255]
+    if (Buffer.TYPED_ARRAY_SUPPORT &&
+        typeof Uint8Array.prototype.indexOf === 'function') {
+      if (dir) {
+        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
+      } else {
+        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
+      }
+    }
+    return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)
+  }
+
+  throw new TypeError('val must be string, number or Buffer')
+}
+
+function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
+  var indexSize = 1
+  var arrLength = arr.length
+  var valLength = val.length
+
+  if (encoding !== undefined) {
+    encoding = String(encoding).toLowerCase()
+    if (encoding === 'ucs2' || encoding === 'ucs-2' ||
+        encoding === 'utf16le' || encoding === 'utf-16le') {
+      if (arr.length < 2 || val.length < 2) {
+        return -1
+      }
+      indexSize = 2
+      arrLength /= 2
+      valLength /= 2
+      byteOffset /= 2
+    }
+  }
+
+  function read (buf, i) {
+    if (indexSize === 1) {
+      return buf[i]
+    } else {
+      return buf.readUInt16BE(i * indexSize)
+    }
+  }
+
+  var i
+  if (dir) {
+    var foundIndex = -1
+    for (i = byteOffset; i < arrLength; i++) {
+      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
+        if (foundIndex === -1) foundIndex = i
+        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
+      } else {
+        if (foundIndex !== -1) i -= i - foundIndex
+        foundIndex = -1
+      }
+    }
+  } else {
+    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength
+    for (i = byteOffset; i >= 0; i--) {
+      var found = true
+      for (var j = 0; j < valLength; j++) {
+        if (read(arr, i + j) !== read(val, j)) {
+          found = false
+          break
+        }
+      }
+      if (found) return i
+    }
+  }
+
+  return -1
+}
+
+Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
+  return this.indexOf(val, byteOffset, encoding) !== -1
+}
+
+Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
+  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
+}
+
+Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
+  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
+}
+
+function hexWrite (buf, string, offset, length) {
+  offset = Number(offset) || 0
+  var remaining = buf.length - offset
+  if (!length) {
+    length = remaining
+  } else {
+    length = Number(length)
+    if (length > remaining) {
+      length = remaining
+    }
+  }
+
+  // must be an even number of digits
+  var strLen = string.length
+  if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')
+
+  if (length > strLen / 2) {
+    length = strLen / 2
+  }
+  for (var i = 0; i < length; ++i) {
+    var parsed = parseInt(string.substr(i * 2, 2), 16)
+    if (isNaN(parsed)) return i
+    buf[offset + i] = parsed
+  }
+  return i
+}
+
+function utf8Write (buf, string, offset, length) {
+  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
+}
+
+function asciiWrite (buf, string, offset, length) {
+  return blitBuffer(asciiToBytes(string), buf, offset, length)
+}
+
+function latin1Write (buf, string, offset, length) {
+  return asciiWrite(buf, string, offset, length)
+}
+
+function base64Write (buf, string, offset, length) {
+  return blitBuffer(base64ToBytes(string), buf, offset, length)
+}
+
+function ucs2Write (buf, string, offset, length) {
+  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
+}
+
+Buffer.prototype.write = function write (string, offset, length, encoding) {
+  // Buffer#write(string)
+  if (offset === undefined) {
+    encoding = 'utf8'
+    length = this.length
+    offset = 0
+  // Buffer#write(string, encoding)
+  } else if (length === undefined && typeof offset === 'string') {
+    encoding = offset
+    length = this.length
+    offset = 0
+  // Buffer#write(string, offset[, length][, encoding])
+  } else if (isFinite(offset)) {
+    offset = offset | 0
+    if (isFinite(length)) {
+      length = length | 0
+      if (encoding === undefined) encoding = 'utf8'
+    } else {
+      encoding = length
+      length = undefined
+    }
+  // legacy write(string, encoding, offset, length) - remove in v0.13
+  } else {
+    throw new Error(
+      'Buffer.write(string, encoding, offset[, length]) is no longer supported'
+    )
+  }
+
+  var remaining = this.length - offset
+  if (length === undefined || length > remaining) length = remaining
+
+  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
+    throw new RangeError('Attempt to write outside buffer bounds')
+  }
+
+  if (!encoding) encoding = 'utf8'
+
+  var loweredCase = false
+  for (;;) {
+    switch (encoding) {
+      case 'hex':
+        return hexWrite(this, string, offset, length)
+
+      case 'utf8':
+      case 'utf-8':
+        return utf8Write(this, string, offset, length)
+
+      case 'ascii':
+        return asciiWrite(this, string, offset, length)
+
+      case 'latin1':
+      case 'binary':
+        return latin1Write(this, string, offset, length)
+
+      case 'base64':
+        // Warning: maxLength not taken into account in base64Write
+        return base64Write(this, string, offset, length)
+
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return ucs2Write(this, string, offset, length)
+
+      default:
+        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+        encoding = ('' + encoding).toLowerCase()
+        loweredCase = true
+    }
+  }
+}
+
+Buffer.prototype.toJSON = function toJSON () {
+  return {
+    type: 'Buffer',
+    data: Array.prototype.slice.call(this._arr || this, 0)
+  }
+}
+
+function base64Slice (buf, start, end) {
+  if (start === 0 && end === buf.length) {
+    return base64.fromByteArray(buf)
+  } else {
+    return base64.fromByteArray(buf.slice(start, end))
+  }
+}
+
+function utf8Slice (buf, start, end) {
+  end = Math.min(buf.length, end)
+  var res = []
+
+  var i = start
+  while (i < end) {
+    var firstByte = buf[i]
+    var codePoint = null
+    var bytesPerSequence = (firstByte > 0xEF) ? 4
+      : (firstByte > 0xDF) ? 3
+      : (firstByte > 0xBF) ? 2
+      : 1
+
+    if (i + bytesPerSequence <= end) {
+      var secondByte, thirdByte, fourthByte, tempCodePoint
+
+      switch (bytesPerSequence) {
+        case 1:
+          if (firstByte < 0x80) {
+            codePoint = firstByte
+          }
+          break
+        case 2:
+          secondByte = buf[i + 1]
+          if ((secondByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
+            if (tempCodePoint > 0x7F) {
+              codePoint = tempCodePoint
+            }
+          }
+          break
+        case 3:
+          secondByte = buf[i + 1]
+          thirdByte = buf[i + 2]
+          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
+            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
+              codePoint = tempCodePoint
+            }
+          }
+          break
+        case 4:
+          secondByte = buf[i + 1]
+          thirdByte = buf[i + 2]
+          fourthByte = buf[i + 3]
+          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
+            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
+              codePoint = tempCodePoint
+            }
+          }
+      }
+    }
+
+    if (codePoint === null) {
+      // we did not generate a valid codePoint so insert a
+      // replacement char (U+FFFD) and advance only 1 byte
+      codePoint = 0xFFFD
+      bytesPerSequence = 1
+    } else if (codePoint > 0xFFFF) {
+      // encode to utf16 (surrogate pair dance)
+      codePoint -= 0x10000
+      res.push(codePoint >>> 10 & 0x3FF | 0xD800)
+      codePoint = 0xDC00 | codePoint & 0x3FF
+    }
+
+    res.push(codePoint)
+    i += bytesPerSequence
+  }
+
+  return decodeCodePointsArray(res)
+}
+
+// Based on http://stackoverflow.com/a/22747272/680742, the browser with
+// the lowest limit is Chrome, with 0x10000 args.
+// We go 1 magnitude less, for safety
+var MAX_ARGUMENTS_LENGTH = 0x1000
+
+function decodeCodePointsArray (codePoints) {
+  var len = codePoints.length
+  if (len <= MAX_ARGUMENTS_LENGTH) {
+    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
+  }
+
+  // Decode in chunks to avoid "call stack size exceeded".
+  var res = ''
+  var i = 0
+  while (i < len) {
+    res += String.fromCharCode.apply(
+      String,
+      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
+    )
+  }
+  return res
+}
+
+function asciiSlice (buf, start, end) {
+  var ret = ''
+  end = Math.min(buf.length, end)
+
+  for (var i = start; i < end; ++i) {
+    ret += String.fromCharCode(buf[i] & 0x7F)
+  }
+  return ret
+}
+
+function latin1Slice (buf, start, end) {
+  var ret = ''
+  end = Math.min(buf.length, end)
+
+  for (var i = start; i < end; ++i) {
+    ret += String.fromCharCode(buf[i])
+  }
+  return ret
+}
+
+function hexSlice (buf, start, end) {
+  var len = buf.length
+
+  if (!start || start < 0) start = 0
+  if (!end || end < 0 || end > len) end = len
+
+  var out = ''
+  for (var i = start; i < end; ++i) {
+    out += toHex(buf[i])
+  }
+  return out
+}
+
+function utf16leSlice (buf, start, end) {
+  var bytes = buf.slice(start, end)
+  var res = ''
+  for (var i = 0; i < bytes.length; i += 2) {
+    res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256)
+  }
+  return res
+}
+
+Buffer.prototype.slice = function slice (start, end) {
+  var len = this.length
+  start = ~~start
+  end = end === undefined ? len : ~~end
+
+  if (start < 0) {
+    start += len
+    if (start < 0) start = 0
+  } else if (start > len) {
+    start = len
+  }
+
+  if (end < 0) {
+    end += len
+    if (end < 0) end = 0
+  } else if (end > len) {
+    end = len
+  }
+
+  if (end < start) end = start
+
+  var newBuf
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    newBuf = this.subarray(start, end)
+    newBuf.__proto__ = Buffer.prototype
+  } else {
+    var sliceLen = end - start
+    newBuf = new Buffer(sliceLen, undefined)
+    for (var i = 0; i < sliceLen; ++i) {
+      newBuf[i] = this[i + start]
+    }
+  }
+
+  return newBuf
+}
+
+/*
+ * Need to make sure that buffer isn't trying to write out of bounds.
+ */
+function checkOffset (offset, ext, length) {
+  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
+  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
+}
+
+Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
+  offset = offset | 0
+  byteLength = byteLength | 0
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+  var val = this[offset]
+  var mul = 1
+  var i = 0
+  while (++i < byteLength && (mul *= 0x100)) {
+    val += this[offset + i] * mul
+  }
+
+  return val
+}
+
+Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
+  offset = offset | 0
+  byteLength = byteLength | 0
+  if (!noAssert) {
+    checkOffset(offset, byteLength, this.length)
+  }
+
+  var val = this[offset + --byteLength]
+  var mul = 1
+  while (byteLength > 0 && (mul *= 0x100)) {
+    val += this[offset + --byteLength] * mul
+  }
+
+  return val
+}
+
+Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 1, this.length)
+  return this[offset]
+}
+
+Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  return this[offset] | (this[offset + 1] << 8)
+}
+
+Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  return (this[offset] << 8) | this[offset + 1]
+}
+
+Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return ((this[offset]) |
+      (this[offset + 1] << 8) |
+      (this[offset + 2] << 16)) +
+      (this[offset + 3] * 0x1000000)
+}
+
+Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return (this[offset] * 0x1000000) +
+    ((this[offset + 1] << 16) |
+    (this[offset + 2] << 8) |
+    this[offset + 3])
+}
+
+Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
+  offset = offset | 0
+  byteLength = byteLength | 0
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+  var val = this[offset]
+  var mul = 1
+  var i = 0
+  while (++i < byteLength && (mul *= 0x100)) {
+    val += this[offset + i] * mul
+  }
+  mul *= 0x80
+
+  if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+
+  return val
+}
+
+Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
+  offset = offset | 0
+  byteLength = byteLength | 0
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+  var i = byteLength
+  var mul = 1
+  var val = this[offset + --i]
+  while (i > 0 && (mul *= 0x100)) {
+    val += this[offset + --i] * mul
+  }
+  mul *= 0x80
+
+  if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+
+  return val
+}
+
+Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 1, this.length)
+  if (!(this[offset] & 0x80)) return (this[offset])
+  return ((0xff - this[offset] + 1) * -1)
+}
+
+Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  var val = this[offset] | (this[offset + 1] << 8)
+  return (val & 0x8000) ? val | 0xFFFF0000 : val
+}
+
+Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  var val = this[offset + 1] | (this[offset] << 8)
+  return (val & 0x8000) ? val | 0xFFFF0000 : val
+}
+
+Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return (this[offset]) |
+    (this[offset + 1] << 8) |
+    (this[offset + 2] << 16) |
+    (this[offset + 3] << 24)
+}
+
+Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return (this[offset] << 24) |
+    (this[offset + 1] << 16) |
+    (this[offset + 2] << 8) |
+    (this[offset + 3])
+}
+
+Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length)
+  return ieee754.read(this, offset, true, 23, 4)
+}
+
+Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length)
+  return ieee754.read(this, offset, false, 23, 4)
+}
+
+Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 8, this.length)
+  return ieee754.read(this, offset, true, 52, 8)
+}
+
+Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 8, this.length)
+  return ieee754.read(this, offset, false, 52, 8)
+}
+
+function checkInt (buf, value, offset, ext, max, min) {
+  if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
+  if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
+  if (offset + ext > buf.length) throw new RangeError('Index out of range')
+}
+
+Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset | 0
+  byteLength = byteLength | 0
+  if (!noAssert) {
+    var maxBytes = Math.pow(2, 8 * byteLength) - 1
+    checkInt(this, value, offset, byteLength, maxBytes, 0)
+  }
+
+  var mul = 1
+  var i = 0
+  this[offset] = value & 0xFF
+  while (++i < byteLength && (mul *= 0x100)) {
+    this[offset + i] = (value / mul) & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset | 0
+  byteLength = byteLength | 0
+  if (!noAssert) {
+    var maxBytes = Math.pow(2, 8 * byteLength) - 1
+    checkInt(this, value, offset, byteLength, maxBytes, 0)
+  }
+
+  var i = byteLength - 1
+  var mul = 1
+  this[offset + i] = value & 0xFF
+  while (--i >= 0 && (mul *= 0x100)) {
+    this[offset + i] = (value / mul) & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
+  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
+  this[offset] = (value & 0xff)
+  return offset + 1
+}
+
+function objectWriteUInt16 (buf, value, offset, littleEndian) {
+  if (value < 0) value = 0xffff + value + 1
+  for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {
+    buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>
+      (littleEndian ? i : 1 - i) * 8
+  }
+}
+
+Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value & 0xff)
+    this[offset + 1] = (value >>> 8)
+  } else {
+    objectWriteUInt16(this, value, offset, true)
+  }
+  return offset + 2
+}
+
+Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value >>> 8)
+    this[offset + 1] = (value & 0xff)
+  } else {
+    objectWriteUInt16(this, value, offset, false)
+  }
+  return offset + 2
+}
+
+function objectWriteUInt32 (buf, value, offset, littleEndian) {
+  if (value < 0) value = 0xffffffff + value + 1
+  for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {
+    buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff
+  }
+}
+
+Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    this[offset + 3] = (value >>> 24)
+    this[offset + 2] = (value >>> 16)
+    this[offset + 1] = (value >>> 8)
+    this[offset] = (value & 0xff)
+  } else {
+    objectWriteUInt32(this, value, offset, true)
+  }
+  return offset + 4
+}
+
+Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value >>> 24)
+    this[offset + 1] = (value >>> 16)
+    this[offset + 2] = (value >>> 8)
+    this[offset + 3] = (value & 0xff)
+  } else {
+    objectWriteUInt32(this, value, offset, false)
+  }
+  return offset + 4
+}
+
+Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) {
+    var limit = Math.pow(2, 8 * byteLength - 1)
+
+    checkInt(this, value, offset, byteLength, limit - 1, -limit)
+  }
+
+  var i = 0
+  var mul = 1
+  var sub = 0
+  this[offset] = value & 0xFF
+  while (++i < byteLength && (mul *= 0x100)) {
+    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
+      sub = 1
+    }
+    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) {
+    var limit = Math.pow(2, 8 * byteLength - 1)
+
+    checkInt(this, value, offset, byteLength, limit - 1, -limit)
+  }
+
+  var i = byteLength - 1
+  var mul = 1
+  var sub = 0
+  this[offset + i] = value & 0xFF
+  while (--i >= 0 && (mul *= 0x100)) {
+    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
+      sub = 1
+    }
+    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
+  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
+  if (value < 0) value = 0xff + value + 1
+  this[offset] = (value & 0xff)
+  return offset + 1
+}
+
+Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value & 0xff)
+    this[offset + 1] = (value >>> 8)
+  } else {
+    objectWriteUInt16(this, value, offset, true)
+  }
+  return offset + 2
+}
+
+Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value >>> 8)
+    this[offset + 1] = (value & 0xff)
+  } else {
+    objectWriteUInt16(this, value, offset, false)
+  }
+  return offset + 2
+}
+
+Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value & 0xff)
+    this[offset + 1] = (value >>> 8)
+    this[offset + 2] = (value >>> 16)
+    this[offset + 3] = (value >>> 24)
+  } else {
+    objectWriteUInt32(this, value, offset, true)
+  }
+  return offset + 4
+}
+
+Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
+  value = +value
+  offset = offset | 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+  if (value < 0) value = 0xffffffff + value + 1
+  if (Buffer.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value >>> 24)
+    this[offset + 1] = (value >>> 16)
+    this[offset + 2] = (value >>> 8)
+    this[offset + 3] = (value & 0xff)
+  } else {
+    objectWriteUInt32(this, value, offset, false)
+  }
+  return offset + 4
+}
+
+function checkIEEE754 (buf, value, offset, ext, max, min) {
+  if (offset + ext > buf.length) throw new RangeError('Index out of range')
+  if (offset < 0) throw new RangeError('Index out of range')
+}
+
+function writeFloat (buf, value, offset, littleEndian, noAssert) {
+  if (!noAssert) {
+    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
+  }
+  ieee754.write(buf, value, offset, littleEndian, 23, 4)
+  return offset + 4
+}
+
+Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
+  return writeFloat(this, value, offset, true, noAssert)
+}
+
+Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
+  return writeFloat(this, value, offset, false, noAssert)
+}
+
+function writeDouble (buf, value, offset, littleEndian, noAssert) {
+  if (!noAssert) {
+    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
+  }
+  ieee754.write(buf, value, offset, littleEndian, 52, 8)
+  return offset + 8
+}
+
+Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
+  return writeDouble(this, value, offset, true, noAssert)
+}
+
+Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
+  return writeDouble(this, value, offset, false, noAssert)
+}
+
+// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
+Buffer.prototype.copy = function copy (target, targetStart, start, end) {
+  if (!start) start = 0
+  if (!end && end !== 0) end = this.length
+  if (targetStart >= target.length) targetStart = target.length
+  if (!targetStart) targetStart = 0
+  if (end > 0 && end < start) end = start
+
+  // Copy 0 bytes; we're done
+  if (end === start) return 0
+  if (target.length === 0 || this.length === 0) return 0
+
+  // Fatal error conditions
+  if (targetStart < 0) {
+    throw new RangeError('targetStart out of bounds')
+  }
+  if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
+  if (end < 0) throw new RangeError('sourceEnd out of bounds')
+
+  // Are we oob?
+  if (end > this.length) end = this.length
+  if (target.length - targetStart < end - start) {
+    end = target.length - targetStart + start
+  }
+
+  var len = end - start
+  var i
+
+  if (this === target && start < targetStart && targetStart < end) {
+    // descending copy from end
+    for (i = len - 1; i >= 0; --i) {
+      target[i + targetStart] = this[i + start]
+    }
+  } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {
+    // ascending copy from start
+    for (i = 0; i < len; ++i) {
+      target[i + targetStart] = this[i + start]
+    }
+  } else {
+    Uint8Array.prototype.set.call(
+      target,
+      this.subarray(start, start + len),
+      targetStart
+    )
+  }
+
+  return len
+}
+
+// Usage:
+//    buffer.fill(number[, offset[, end]])
+//    buffer.fill(buffer[, offset[, end]])
+//    buffer.fill(string[, offset[, end]][, encoding])
+Buffer.prototype.fill = function fill (val, start, end, encoding) {
+  // Handle string cases:
+  if (typeof val === 'string') {
+    if (typeof start === 'string') {
+      encoding = start
+      start = 0
+      end = this.length
+    } else if (typeof end === 'string') {
+      encoding = end
+      end = this.length
+    }
+    if (val.length === 1) {
+      var code = val.charCodeAt(0)
+      if (code < 256) {
+        val = code
+      }
+    }
+    if (encoding !== undefined && typeof encoding !== 'string') {
+      throw new TypeError('encoding must be a string')
+    }
+    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
+      throw new TypeError('Unknown encoding: ' + encoding)
+    }
+  } else if (typeof val === 'number') {
+    val = val & 255
+  }
+
+  // Invalid ranges are not set to a default, so can range check early.
+  if (start < 0 || this.length < start || this.length < end) {
+    throw new RangeError('Out of range index')
+  }
+
+  if (end <= start) {
+    return this
+  }
+
+  start = start >>> 0
+  end = end === undefined ? this.length : end >>> 0
+
+  if (!val) val = 0
+
+  var i
+  if (typeof val === 'number') {
+    for (i = start; i < end; ++i) {
+      this[i] = val
+    }
+  } else {
+    var bytes = Buffer.isBuffer(val)
+      ? val
+      : utf8ToBytes(new Buffer(val, encoding).toString())
+    var len = bytes.length
+    for (i = 0; i < end - start; ++i) {
+      this[i + start] = bytes[i % len]
+    }
+  }
+
+  return this
+}
+
+// HELPER FUNCTIONS
+// ================
+
+var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g
+
+function base64clean (str) {
+  // Node strips out invalid characters like \n and \t from the string, base64-js does not
+  str = stringtrim(str).replace(INVALID_BASE64_RE, '')
+  // Node converts strings with length < 2 to ''
+  if (str.length < 2) return ''
+  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
+  while (str.length % 4 !== 0) {
+    str = str + '='
+  }
+  return str
+}
+
+function stringtrim (str) {
+  if (str.trim) return str.trim()
+  return str.replace(/^\s+|\s+$/g, '')
+}
+
+function toHex (n) {
+  if (n < 16) return '0' + n.toString(16)
+  return n.toString(16)
+}
+
+function utf8ToBytes (string, units) {
+  units = units || Infinity
+  var codePoint
+  var length = string.length
+  var leadSurrogate = null
+  var bytes = []
+
+  for (var i = 0; i < length; ++i) {
+    codePoint = string.charCodeAt(i)
+
+    // is surrogate component
+    if (codePoint > 0xD7FF && codePoint < 0xE000) {
+      // last char was a lead
+      if (!leadSurrogate) {
+        // no lead yet
+        if (codePoint > 0xDBFF) {
+          // unexpected trail
+          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+          continue
+        } else if (i + 1 === length) {
+          // unpaired lead
+          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+          continue
+        }
+
+        // valid lead
+        leadSurrogate = codePoint
+
+        continue
+      }
+
+      // 2 leads in a row
+      if (codePoint < 0xDC00) {
+        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+        leadSurrogate = codePoint
+        continue
+      }
+
+      // valid surrogate pair
+      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
+    } else if (leadSurrogate) {
+      // valid bmp char, but last char was a lead
+      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+    }
+
+    leadSurrogate = null
+
+    // encode utf8
+    if (codePoint < 0x80) {
+      if ((units -= 1) < 0) break
+      bytes.push(codePoint)
+    } else if (codePoint < 0x800) {
+      if ((units -= 2) < 0) break
+      bytes.push(
+        codePoint >> 0x6 | 0xC0,
+        codePoint & 0x3F | 0x80
+      )
+    } else if (codePoint < 0x10000) {
+      if ((units -= 3) < 0) break
+      bytes.push(
+        codePoint >> 0xC | 0xE0,
+        codePoint >> 0x6 & 0x3F | 0x80,
+        codePoint & 0x3F | 0x80
+      )
+    } else if (codePoint < 0x110000) {
+      if ((units -= 4) < 0) break
+      bytes.push(
+        codePoint >> 0x12 | 0xF0,
+        codePoint >> 0xC & 0x3F | 0x80,
+        codePoint >> 0x6 & 0x3F | 0x80,
+        codePoint & 0x3F | 0x80
+      )
+    } else {
+      throw new Error('Invalid code point')
+    }
+  }
+
+  return bytes
+}
+
+function asciiToBytes (str) {
+  var byteArray = []
+  for (var i = 0; i < str.length; ++i) {
+    // Node's code seems to be doing this and not & 0x7F..
+    byteArray.push(str.charCodeAt(i) & 0xFF)
+  }
+  return byteArray
+}
+
+function utf16leToBytes (str, units) {
+  var c, hi, lo
+  var byteArray = []
+  for (var i = 0; i < str.length; ++i) {
+    if ((units -= 2) < 0) break
+
+    c = str.charCodeAt(i)
+    hi = c >> 8
+    lo = c % 256
+    byteArray.push(lo)
+    byteArray.push(hi)
+  }
+
+  return byteArray
+}
+
+function base64ToBytes (str) {
+  return base64.toByteArray(base64clean(str))
+}
+
+function blitBuffer (src, dst, offset, length) {
+  for (var i = 0; i < length; ++i) {
+    if ((i + offset >= dst.length) || (i >= src.length)) break
+    dst[i + offset] = src[i]
+  }
+  return i
+}
+
+function isnan (val) {
+  return val !== val // eslint-disable-line no-self-compare
+}
+
+/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(19)))
+
+/***/ }),
+/* 14 */
+/***/ (function(module, exports) {
+
+exports.read = function (buffer, offset, isLE, mLen, nBytes) {
+  var e, m
+  var eLen = nBytes * 8 - mLen - 1
+  var eMax = (1 << eLen) - 1
+  var eBias = eMax >> 1
+  var nBits = -7
+  var i = isLE ? (nBytes - 1) : 0
+  var d = isLE ? -1 : 1
+  var s = buffer[offset + i]
+
+  i += d
+
+  e = s & ((1 << (-nBits)) - 1)
+  s >>= (-nBits)
+  nBits += eLen
+  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+  m = e & ((1 << (-nBits)) - 1)
+  e >>= (-nBits)
+  nBits += mLen
+  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+  if (e === 0) {
+    e = 1 - eBias
+  } else if (e === eMax) {
+    return m ? NaN : ((s ? -1 : 1) * Infinity)
+  } else {
+    m = m + Math.pow(2, mLen)
+    e = e - eBias
+  }
+  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
+}
+
+exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
+  var e, m, c
+  var eLen = nBytes * 8 - mLen - 1
+  var eMax = (1 << eLen) - 1
+  var eBias = eMax >> 1
+  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
+  var i = isLE ? 0 : (nBytes - 1)
+  var d = isLE ? 1 : -1
+  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0
+
+  value = Math.abs(value)
+
+  if (isNaN(value) || value === Infinity) {
+    m = isNaN(value) ? 1 : 0
+    e = eMax
+  } else {
+    e = Math.floor(Math.log(value) / Math.LN2)
+    if (value * (c = Math.pow(2, -e)) < 1) {
+      e--
+      c *= 2
+    }
+    if (e + eBias >= 1) {
+      value += rt / c
+    } else {
+      value += rt * Math.pow(2, 1 - eBias)
+    }
+    if (value * c >= 2) {
+      e++
+      c /= 2
+    }
+
+    if (e + eBias >= eMax) {
+      m = 0
+      e = eMax
+    } else if (e + eBias >= 1) {
+      m = (value * c - 1) * Math.pow(2, mLen)
+      e = e + eBias
+    } else {
+      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
+      e = 0
+    }
+  }
+
+  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
+
+  e = (e << mLen) | m
+  eLen += mLen
+  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
+
+  buffer[offset + i - d] |= s * 128
+}
+
+
+/***/ }),
+/* 15 */
+/***/ (function(module, exports) {
+
+var toString = {}.toString;
+
+module.exports = Array.isArray || function (arr) {
+  return toString.call(arr) == '[object Array]';
+};
+
+
+/***/ }),
+/* 16 */
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+/* unused harmony export regex */
+/* unused harmony export parse */
+/* unused harmony export build */
+/* harmony export (immutable) */ __webpack_exports__["a"] = midi;
+/* unused harmony export freq */
+/* unused harmony export letter */
+/* unused harmony export acc */
+/* unused harmony export pc */
+/* unused harmony export step */
+/* unused harmony export alt */
+/* unused harmony export chroma */
+/* unused harmony export oct */
+
+
+// util
+function fillStr (s, num) { return Array(num + 1).join(s) }
+function isNum (x) { return typeof x === 'number' }
+function isStr (x) { return typeof x === 'string' }
+function isDef (x) { return typeof x !== 'undefined' }
+function midiToFreq (midi, tuning) {
+  return Math.pow(2, (midi - 69) / 12) * (tuning || 440)
+}
+
+var REGEX = /^([a-gA-G])(#{1,}|b{1,}|x{1,}|)(-?\d*)\s*(.*)\s*$/
+/**
+ * A regex for matching note strings in scientific notation.
+ *
+ * @name regex
+ * @function
+ * @return {RegExp} the regexp used to parse the note name
+ *
+ * The note string should have the form `letter[accidentals][octave][element]`
+ * where:
+ *
+ * - letter: (Required) is a letter from A to G either upper or lower case
+ * - accidentals: (Optional) can be one or more `b` (flats), `#` (sharps) or `x` (double sharps).
+ * They can NOT be mixed.
+ * - octave: (Optional) a positive or negative integer
+ * - element: (Optional) additionally anything after the duration is considered to
+ * be the element name (for example: 'C2 dorian')
+ *
+ * The executed regex contains (by array index):
+ *
+ * - 0: the complete string
+ * - 1: the note letter
+ * - 2: the optional accidentals
+ * - 3: the optional octave
+ * - 4: the rest of the string (trimmed)
+ *
+ * @example
+ * var parser = require('note-parser')
+ * parser.regex.exec('c#4')
+ * // => ['c#4', 'c', '#', '4', '']
+ * parser.regex.exec('c#4 major')
+ * // => ['c#4major', 'c', '#', '4', 'major']
+ * parser.regex().exec('CMaj7')
+ * // => ['CMaj7', 'C', '', '', 'Maj7']
+ */
+function regex () { return REGEX }
+
+var SEMITONES = [0, 2, 4, 5, 7, 9, 11]
+/**
+ * Parse a note name in scientific notation an return it's components,
+ * and some numeric properties including midi number and frequency.
+ *
+ * @name parse
+ * @function
+ * @param {String} note - the note string to be parsed
+ * @param {Boolean} isTonic - true the strings it's supposed to contain a note number
+ * and some category (for example an scale: 'C# major'). It's false by default,
+ * but when true, en extra tonicOf property is returned with the category ('major')
+ * @param {Float} tunning - The frequency of A4 note to calculate frequencies.
+ * By default it 440.
+ * @return {Object} the parsed note name or null if not a valid note
+ *
+ * The parsed note name object will ALWAYS contains:
+ * - letter: the uppercase letter of the note
+ * - acc: the accidentals of the note (only sharps or flats)
+ * - pc: the pitch class (letter + acc)
+ * - step: s a numeric representation of the letter. It's an integer from 0 to 6
+ * where 0 = C, 1 = D ... 6 = B
+ * - alt: a numeric representation of the accidentals. 0 means no alteration,
+ * positive numbers are for sharps and negative for flats
+ * - chroma: a numeric representation of the pitch class. It's like midi for
+ * pitch classes. 0 = C, 1 = C#, 2 = D ... 11 = B. Can be used to find enharmonics
+ * since, for example, chroma of 'Cb' and 'B' are both 11
+ *
+ * If the note has octave, the parser object will contain:
+ * - oct: the octave number (as integer)
+ * - midi: the midi number
+ * - freq: the frequency (using tuning parameter as base)
+ *
+ * If the parameter `isTonic` is set to true, the parsed object will contain:
+ * - tonicOf: the rest of the string that follows note name (left and right trimmed)
+ *
+ * @example
+ * var parse = require('note-parser').parse
+ * parse('Cb4')
+ * // => { letter: 'C', acc: 'b', pc: 'Cb', step: 0, alt: -1, chroma: -1,
+ *         oct: 4, midi: 59, freq: 246.94165062806206 }
+ * // if no octave, no midi, no freq
+ * parse('fx')
+ * // => { letter: 'F', acc: '##', pc: 'F##', step: 3, alt: 2, chroma: 7 })
+ */
+function parse (str, isTonic, tuning) {
+  if (typeof str !== 'string') return null
+  var m = REGEX.exec(str)
+  if (!m || (!isTonic && m[4])) return null
+
+  var p = { letter: m[1].toUpperCase(), acc: m[2].replace(/x/g, '##') }
+  p.pc = p.letter + p.acc
+  p.step = (p.letter.charCodeAt(0) + 3) % 7
+  p.alt = p.acc[0] === 'b' ? -p.acc.length : p.acc.length
+  var pos = SEMITONES[p.step] + p.alt
+  p.chroma = pos < 0 ? 12 + pos : pos % 12
+  if (m[3]) { // has octave
+    p.oct = +m[3]
+    p.midi = pos + 12 * (p.oct + 1)
+    p.freq = midiToFreq(p.midi, tuning)
+  }
+  if (isTonic) p.tonicOf = m[4]
+  return p
+}
+
+var LETTERS = 'CDEFGAB'
+function accStr (n) { return !isNum(n) ? '' : n < 0 ? fillStr('b', -n) : fillStr('#', n) }
+function octStr (n) { return !isNum(n) ? '' : '' + n }
+
+/**
+ * Create a string from a parsed object or `step, alteration, octave` parameters
+ * @param {Object} obj - the parsed data object
+ * @return {String} a note string or null if not valid parameters
+ * @since 1.2
+ * @example
+ * parser.build(parser.parse('cb2')) // => 'Cb2'
+ *
+ * @example
+ * // it accepts (step, alteration, octave) parameters:
+ * parser.build(3) // => 'F'
+ * parser.build(3, -1) // => 'Fb'
+ * parser.build(3, -1, 4) // => 'Fb4'
+ */
+function build (s, a, o) {
+  if (s === null || typeof s === 'undefined') return null
+  if (s.step) return build(s.step, s.alt, s.oct)
+  if (s < 0 || s > 6) return null
+  return LETTERS.charAt(s) + accStr(a) + octStr(o)
+}
+
+/**
+ * Get midi of a note
+ *
+ * @name midi
+ * @function
+ * @param {String|Integer} note - the note name or midi number
+ * @return {Integer} the midi number of the note or null if not a valid note
+ * or the note does NOT contains octave
+ * @example
+ * var parser = require('note-parser')
+ * parser.midi('A4') // => 69
+ * parser.midi('A') // => null
+ * @example
+ * // midi numbers are bypassed (even as strings)
+ * parser.midi(60) // => 60
+ * parser.midi('60') // => 60
+ */
+function midi (note) {
+  if ((isNum(note) || isStr(note)) && note >= 0 && note < 128) return +note
+  var p = parse(note)
+  return p && isDef(p.midi) ? p.midi : null
+}
+
+/**
+ * Get freq of a note in hertzs (in a well tempered 440Hz A4)
+ *
+ * @name freq
+ * @function
+ * @param {String} note - the note name or note midi number
+ * @param {String} tuning - (Optional) the A4 frequency (440 by default)
+ * @return {Float} the freq of the number if hertzs or null if not valid note
+ * @example
+ * var parser = require('note-parser')
+ * parser.freq('A4') // => 440
+ * parser.freq('A') // => null
+ * @example
+ * // can change tuning (440 by default)
+ * parser.freq('A4', 444) // => 444
+ * parser.freq('A3', 444) // => 222
+ * @example
+ * // it accepts midi numbers (as numbers and as strings)
+ * parser.freq(69) // => 440
+ * parser.freq('69', 442) // => 442
+ */
+function freq (note, tuning) {
+  var m = midi(note)
+  return m === null ? null : midiToFreq(m, tuning)
+}
+
+function letter (src) { return (parse(src) || {}).letter }
+function acc (src) { return (parse(src) || {}).acc }
+function pc (src) { return (parse(src) || {}).pc }
+function step (src) { return (parse(src) || {}).step }
+function alt (src) { return (parse(src) || {}).alt }
+function chroma (src) { return (parse(src) || {}).chroma }
+function oct (src) { return (parse(src) || {}).oct }
+
+
+/***/ }),
+/* 17 */
+/***/ (function(module, exports) {
+
+// shim for using process in browser
+var process = module.exports = {};
+
+// cached from whatever global is present so that test runners that stub it
+// don't break things.  But we need to wrap it in a try catch in case it is
+// wrapped in strict mode code which doesn't define any globals.  It's inside a
+// function because try/catches deoptimize in certain engines.
+
+var cachedSetTimeout;
+var cachedClearTimeout;
+
+function defaultSetTimout() {
+    throw new Error('setTimeout has not been defined');
+}
+function defaultClearTimeout () {
+    throw new Error('clearTimeout has not been defined');
+}
+(function () {
+    try {
+        if (typeof setTimeout === 'function') {
+            cachedSetTimeout = setTimeout;
+        } else {
+            cachedSetTimeout = defaultSetTimout;
+        }
+    } catch (e) {
+        cachedSetTimeout = defaultSetTimout;
+    }
+    try {
+        if (typeof clearTimeout === 'function') {
+            cachedClearTimeout = clearTimeout;
+        } else {
+            cachedClearTimeout = defaultClearTimeout;
+        }
+    } catch (e) {
+        cachedClearTimeout = defaultClearTimeout;
+    }
+} ())
+function runTimeout(fun) {
+    if (cachedSetTimeout === setTimeout) {
+        //normal enviroments in sane situations
+        return setTimeout(fun, 0);
+    }
+    // if setTimeout wasn't available but was latter defined
+    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
+        cachedSetTimeout = setTimeout;
+        return setTimeout(fun, 0);
+    }
+    try {
+        // when when somebody has screwed with setTimeout but no I.E. maddness
+        return cachedSetTimeout(fun, 0);
+    } catch(e){
+        try {
+            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+            return cachedSetTimeout.call(null, fun, 0);
+        } catch(e){
+            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
+            return cachedSetTimeout.call(this, fun, 0);
+        }
+    }
+
+
+}
+function runClearTimeout(marker) {
+    if (cachedClearTimeout === clearTimeout) {
+        //normal enviroments in sane situations
+        return clearTimeout(marker);
+    }
+    // if clearTimeout wasn't available but was latter defined
+    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
+        cachedClearTimeout = clearTimeout;
+        return clearTimeout(marker);
+    }
+    try {
+        // when when somebody has screwed with setTimeout but no I.E. maddness
+        return cachedClearTimeout(marker);
+    } catch (e){
+        try {
+            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
+            return cachedClearTimeout.call(null, marker);
+        } catch (e){
+            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
+            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
+            return cachedClearTimeout.call(this, marker);
+        }
+    }
+
+
+
+}
+var queue = [];
+var draining = false;
+var currentQueue;
+var queueIndex = -1;
+
+function cleanUpNextTick() {
+    if (!draining || !currentQueue) {
+        return;
+    }
+    draining = false;
+    if (currentQueue.length) {
+        queue = currentQueue.concat(queue);
+    } else {
+        queueIndex = -1;
+    }
+    if (queue.length) {
+        drainQueue();
+    }
+}
+
+function drainQueue() {
+    if (draining) {
+        return;
+    }
+    var timeout = runTimeout(cleanUpNextTick);
+    draining = true;
+
+    var len = queue.length;
+    while(len) {
+        currentQueue = queue;
+        queue = [];
+        while (++queueIndex < len) {
+            if (currentQueue) {
+                currentQueue[queueIndex].run();
+            }
+        }
+        queueIndex = -1;
+        len = queue.length;
+    }
+    currentQueue = null;
+    draining = false;
+    runClearTimeout(timeout);
+}
+
+process.nextTick = function (fun) {
+    var args = new Array(arguments.length - 1);
+    if (arguments.length > 1) {
+        for (var i = 1; i < arguments.length; i++) {
+            args[i - 1] = arguments[i];
+        }
+    }
+    queue.push(new Item(fun, args));
+    if (queue.length === 1 && !draining) {
+        runTimeout(drainQueue);
+    }
+};
+
+// v8 likes predictible objects
+function Item(fun, array) {
+    this.fun = fun;
+    this.array = array;
+}
+Item.prototype.run = function () {
+    this.fun.apply(null, this.array);
+};
+process.title = 'browser';
+process.browser = true;
+process.env = {};
+process.argv = [];
+process.version = ''; // empty string to avoid regexp issues
+process.versions = {};
+
+function noop() {}
+
+process.on = noop;
+process.addListener = noop;
+process.once = noop;
+process.off = noop;
+process.removeListener = noop;
+process.removeAllListeners = noop;
+process.emit = noop;
+
+process.binding = function (name) {
+    throw new Error('process.binding is not supported');
+};
+
+process.cwd = function () { return '/' };
+process.chdir = function (dir) {
+    throw new Error('process.chdir is not supported');
+};
+process.umask = function() { return 0; };
+
+
+/***/ }),
+/* 18 */
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+Object.defineProperty(__webpack_exports__, "__esModule", { value: true });
+/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0_note_parser__ = __webpack_require__(16);
+/* harmony export (immutable) */ __webpack_exports__["toMidi"] = toMidi;
+/* harmony export (immutable) */ __webpack_exports__["note"] = note;
+/**
+ * A midi note number is a number representation of a note pitch. It can be
+ * integers so it's equal tempered tuned, or float to indicate it's not
+ * tuned into equal temepered scale.
+ *
+ * This module contains functions to convert to and from midi notes.
+ *
+ * @example
+ * var midi = require('tonal-midi')
+ * midi.toMidi('A4') // => 69
+ * midi.note(69) // => 'A4'
+ * midi.note(61) // => 'Db4'
+ * midi.note(61, true) // => 'C#4'
+ *
+ * @module midi
+ */
+
+
+
+/**
+ * Convert the given note to a midi note number. If you pass a midi number it
+ * will returned as is.
+ *
+ * @param {Array|String|Number} note - the note to get the midi number from
+ * @return {Integer} the midi number or null if not valid pitch
+ * @example
+ * midi.toMidi('C4') // => 60
+ * midi.toMidi(60) // => 60
+ * midi.toMidi('60') // => 60
+ */
+function toMidi (val) {
+  if (Array.isArray(val) && val.length === 2) return val[0] * 7 + val[1] * 12 + 12
+  return __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0_note_parser__["a" /* midi */])(val)
+}
+
+var FLATS = 'C Db D Eb E F Gb G Ab A Bb B'.split(' ')
+var SHARPS = 'C C# D D# E F F# G G# A A# B'.split(' ')
+
+/**
+ * Given a midi number, returns a note name. The altered notes will have
+ * flats unless explicitly set with the optional `useSharps` parameter.
+ *
+ * @function
+ * @param {Integer} midi - the midi note number
+ * @param {Boolean} useSharps - (Optional) set to true to use sharps instead of flats
+ * @return {String} the note name
+ * @example
+ * var midi = require('tonal-midi')
+ * midi.note(61) // => 'Db4'
+ * midi.note(61, true) // => 'C#4'
+ * // it rounds to nearest note
+ * midi.note(61.7) // => 'D4'
+ */
+function note (num, sharps) {
+  if (num === true || num === false) return function (m) { return note(m, num) }
+  num = Math.round(num)
+  var pcs = sharps === true ? SHARPS : FLATS
+  var pc = pcs[num % 12]
+  var o = Math.floor(num / 12) - 1
+  return pc + o
+}
+
+
+/***/ }),
+/* 19 */
+/***/ (function(module, exports) {
+
+var g;

+

+// This works in non-strict mode

+g = (function() {

+	return this;

+})();

+

+try {

+	// This works if eval is allowed (see CSP)

+	g = g || Function("return this")() || (1,eval)("this");

+} catch(e) {

+	// This works if the window reference is available

+	if(typeof window === "object")

+		g = window;

+}

+

+// g can still be undefined, but nothing to do about it...

+// We return undefined, instead of nothing here, so it's

+// easier to handle this case. if(!global) { ...}

+

+module.exports = g;

+
+
+/***/ }),
+/* 20 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var __WEBPACK_AMD_DEFINE_RESULT__;/* FileSaver.js
+ * A saveAs() FileSaver implementation.
+ * 1.3.2
+ * 2016-06-16 18:25:19
+ *
+ * By Eli Grey, http://eligrey.com
+ * License: MIT
+ *   See https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md
+ */
+
+/*global self */
+/*jslint bitwise: true, indent: 4, laxbreak: true, laxcomma: true, smarttabs: true, plusplus: true */
+
+/*! @source http://purl.eligrey.com/github/FileSaver.js/blob/master/FileSaver.js */
+
+var saveAs = saveAs || (function(view) {
+	"use strict";
+	// IE <10 is explicitly unsupported
+	if (typeof view === "undefined" || typeof navigator !== "undefined" && /MSIE [1-9]\./.test(navigator.userAgent)) {
+		return;
+	}
+	var
+		  doc = view.document
+		  // only get URL when necessary in case Blob.js hasn't overridden it yet
+		, get_URL = function() {
+			return view.URL || view.webkitURL || view;
+		}
+		, save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a")
+		, can_use_save_link = "download" in save_link
+		, click = function(node) {
+			var event = new MouseEvent("click");
+			node.dispatchEvent(event);
+		}
+		, is_safari = /constructor/i.test(view.HTMLElement) || view.safari
+		, is_chrome_ios =/CriOS\/[\d]+/.test(navigator.userAgent)
+		, throw_outside = function(ex) {
+			(view.setImmediate || view.setTimeout)(function() {
+				throw ex;
+			}, 0);
+		}
+		, force_saveable_type = "application/octet-stream"
+		// the Blob API is fundamentally broken as there is no "downloadfinished" event to subscribe to
+		, arbitrary_revoke_timeout = 1000 * 40 // in ms
+		, revoke = function(file) {
+			var revoker = function() {
+				if (typeof file === "string") { // file is an object URL
+					get_URL().revokeObjectURL(file);
+				} else { // file is a File
+					file.remove();
+				}
+			};
+			setTimeout(revoker, arbitrary_revoke_timeout);
+		}
+		, dispatch = function(filesaver, event_types, event) {
+			event_types = [].concat(event_types);
+			var i = event_types.length;
+			while (i--) {
+				var listener = filesaver["on" + event_types[i]];
+				if (typeof listener === "function") {
+					try {
+						listener.call(filesaver, event || filesaver);
+					} catch (ex) {
+						throw_outside(ex);
+					}
+				}
+			}
+		}
+		, auto_bom = function(blob) {
+			// prepend BOM for UTF-8 XML and text/* types (including HTML)
+			// note: your browser will automatically convert UTF-16 U+FEFF to EF BB BF
+			if (/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
+				return new Blob([String.fromCharCode(0xFEFF), blob], {type: blob.type});
+			}
+			return blob;
+		}
+		, FileSaver = function(blob, name, no_auto_bom) {
+			if (!no_auto_bom) {
+				blob = auto_bom(blob);
+			}
+			// First try a.download, then web filesystem, then object URLs
+			var
+				  filesaver = this
+				, type = blob.type
+				, force = type === force_saveable_type
+				, object_url
+				, dispatch_all = function() {
+					dispatch(filesaver, "writestart progress write writeend".split(" "));
+				}
+				// on any filesys errors revert to saving with object URLs
+				, fs_error = function() {
+					if ((is_chrome_ios || (force && is_safari)) && view.FileReader) {
+						// Safari doesn't allow downloading of blob urls
+						var reader = new FileReader();
+						reader.onloadend = function() {
+							var url = is_chrome_ios ? reader.result : reader.result.replace(/^data:[^;]*;/, 'data:attachment/file;');
+							var popup = view.open(url, '_blank');
+							if(!popup) view.location.href = url;
+							url=undefined; // release reference before dispatching
+							filesaver.readyState = filesaver.DONE;
+							dispatch_all();
+						};
+						reader.readAsDataURL(blob);
+						filesaver.readyState = filesaver.INIT;
+						return;
+					}
+					// don't create more object URLs than needed
+					if (!object_url) {
+						object_url = get_URL().createObjectURL(blob);
+					}
+					if (force) {
+						view.location.href = object_url;
+					} else {
+						var opened = view.open(object_url, "_blank");
+						if (!opened) {
+							// Apple does not allow window.open, see https://developer.apple.com/library/safari/documentation/Tools/Conceptual/SafariExtensionGuide/WorkingwithWindowsandTabs/WorkingwithWindowsandTabs.html
+							view.location.href = object_url;
+						}
+					}
+					filesaver.readyState = filesaver.DONE;
+					dispatch_all();
+					revoke(object_url);
+				}
+			;
+			filesaver.readyState = filesaver.INIT;
+
+			if (can_use_save_link) {
+				object_url = get_URL().createObjectURL(blob);
+				setTimeout(function() {
+					save_link.href = object_url;
+					save_link.download = name;
+					click(save_link);
+					dispatch_all();
+					revoke(object_url);
+					filesaver.readyState = filesaver.DONE;
+				});
+				return;
+			}
+
+			fs_error();
+		}
+		, FS_proto = FileSaver.prototype
+		, saveAs = function(blob, name, no_auto_bom) {
+			return new FileSaver(blob, name || blob.name || "download", no_auto_bom);
+		}
+	;
+	// IE 10+ (native saveAs)
+	if (typeof navigator !== "undefined" && navigator.msSaveOrOpenBlob) {
+		return function(blob, name, no_auto_bom) {
+			name = name || blob.name || "download";
+
+			if (!no_auto_bom) {
+				blob = auto_bom(blob);
+			}
+			return navigator.msSaveOrOpenBlob(blob, name);
+		};
+	}
+
+	FS_proto.abort = function(){};
+	FS_proto.readyState = FS_proto.INIT = 0;
+	FS_proto.WRITING = 1;
+	FS_proto.DONE = 2;
+
+	FS_proto.error =
+	FS_proto.onwritestart =
+	FS_proto.onprogress =
+	FS_proto.onwrite =
+	FS_proto.onabort =
+	FS_proto.onerror =
+	FS_proto.onwriteend =
+		null;
+
+	return saveAs;
+}(
+	   typeof self !== "undefined" && self
+	|| typeof window !== "undefined" && window
+	|| this.content
+));
+// `self` is undefined in Firefox for Android content script context
+// while `this` is nsIContentFrameMessageManager
+// with an attribute `content` that corresponds to the window
+
+if (typeof module !== "undefined" && module.exports) {
+  module.exports.saveAs = saveAs;
+} else if (("function" !== "undefined" && __webpack_require__(21) !== null) && (__webpack_require__(22) !== null)) {
+  !(__WEBPACK_AMD_DEFINE_RESULT__ = function() {
+    return saveAs;
+  }.call(exports, __webpack_require__, exports, module),
+				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
+}
+
+
+/***/ }),
+/* 21 */
+/***/ (function(module, exports) {
+
+module.exports = function() {

+	throw new Error("define cannot be used indirect");

+};

+
+
+/***/ }),
+/* 22 */
+/***/ (function(module, exports) {
+
+/* WEBPACK VAR INJECTION */(function(__webpack_amd_options__) {/* globals __webpack_amd_options__ */

+module.exports = __webpack_amd_options__;

+
+/* WEBPACK VAR INJECTION */}.call(exports, {}))
+
 /***/ })
 /******/ ]);
 //# sourceMappingURL=bundle.js.map
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