mml-emitter.min.js

!function t(e,n,r){function o(c,u){if(!n[c]){if(!e[c]){var a="function"==typeof require&&require;if(!u&&a)return a(c,!0);if(i)return i(c,!0);var s=new Error("Cannot find module '"+c+"'");throw s.code="MODULE_NOT_FOUND",s}var f=n[c]={exports:{}};e[c][0].call(f.exports,function(t){var n=e[c][1][t];return o(n?n:t)},f,f.exports,t,e,n,r)}return n[c].exports}for(var i="function"==typeof require&&require,c=0;c<r.length;c++)o(r[c]);return o}({1:[function(t,e){e.exports=t("./src/")},{"./src/":7}],2:[function(t,e){"use strict";function n(t){t=Object.create(t||{});var e={defaultTempo:120,minTempo:30,maxTempo:240,defaultOctave:5,minOctave:0,maxOctave:9,defaultLength:4,minLength:1,maxLength:64,defaultQuantize:6,minQuantize:0,maxQuantize:8,defaultVolume:12,minVolume:0,maxVolume:16,octaveShiftDirection:1,A4Frequency:440,A4Index:69};return Object.keys(e).forEach(function(n){"number"!=typeof t[n]&&(t[n]=e[n])}),t}e.exports.build=n},{}],3:[function(t,e){"use strict";function n(){this._callbacks={}}n.prototype.hasListeners=function(t){return this._callbacks.hasOwnProperty(t)},n.prototype.listeners=function(t){return this.hasListeners(t)?this._callbacks[t].slice():[]},n.prototype.on=function(t,e){return this.hasListeners(t)||(this._callbacks[t]=[]),this._callbacks[t].push(e),this},n.prototype.addListener=n.prototype.on,n.prototype.once=function(t,e){function n(r){this.off(t,n),e.call(this,r)}return n.listener=e,this.on(t,n),this},n.prototype.off=function(t,e){return"undefined"==typeof e?"undefined"==typeof t?this._callbacks={}:this.hasListeners(t)&&delete this._callbacks[t]:this.hasListeners(t)&&(this._callbacks[t]=this._callbacks[t].filter(function(t){return!(t===e||t.listener===e)})),this},n.prototype.removeListener=n.prototype.off,n.prototype.removeAllListeners=n.prototype.off,n.prototype.emit=function(t,e){this.listeners(t).forEach(function(t){t.call(this,e)},this)},e.exports=n},{}],4:[function(t,e){"use strict";function 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i=a();return[].push.apply(p,i.variables),o+":"+i.expr}return/^([A-Z]\w*|\$|_|true|false|null)$/.test(o)||(p.push(o),o="this."+o),o}function f(){if(!t.hasNext())return!1;var e=t.peek();switch(e){case"{":case"(":case"[":l.push(c[e]);break;case"]":case")":case"}":if(0===l.length)return!1;l.pop()!==e&&t.throwUnexpectedToken()}return!0}for(var p=[],l=[],h="";f();){var d=t.peek();h+="'"===d||'"'===d?o():d>="0"&&"9">=d?i():"."===d?u():/[_$a-zA-Z]/.test(d)?s():t.next()}return{expr:h,variables:p}}return a()}var 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t._tempo=t._config.defaultTempo,t._octave=t._config.defaultOctave,t._quantize=t._config.defaultQuantize,t._volume=t._config.defaultVolume,t._length=t._config.defaultLength,t._lenList=[t._length],t._loopStack=[],t._infLoopPos=null,t._infLoopWhen=e,t._noteIndex=0,e}},a[f.End]=function(){return function(t,e){return null!==t._infLoopPos?t._infLoopWhen!==e&&(t._pos=t._infLoopPos):t._recv({type:"end",playbackTime:e,when:e},{bubble:!0}),e}},a[f.Note]=function(t){return function(e,n){var r=e._config,o=c(e,t.length),i=o*(e._quantize/r.maxQuantize),u=e._noteIndex,a=t.note.length>1;return t.note.length&&(e._noteIndex+=1),t.note.forEach(function(t,c){function s(t,r){e._recv({type:"sched",playbackTime:n+i+(r||0),callback:t},{"private":!0})}var f,p;f=t.noteNum+t.acci,f+=12*e._octave,f+=r.A4Index-57,p=r.A4Frequency,p*=Math.pow(2,1*(f-r.A4Index)/12),e._recv({type:"note",index:u,playbackTime:n,nextPlaybackTime:n+o,when:n,nextWhen:n+o,midi:f,frequency:p,noteNum:t.noteNum,accidental:t.acci,duration:i,isChord:a,chordIndex:c,tempo:e._tempo,volume:e._volume,octave:e._octave,length:e._length,quantize:e._quantize,noteOff:s})}),n+o}},a[f.Octave]=function(t){return function(e,n){var o=e._config,c=i(e,t.value,o.defaultOctave);return e._octave=r(c,o.minOctave,o.maxOctave),n}},a[f.OctaveShift]=function(t){return function(e,n){var o=e._config,c=e._octave;return c+=t.direction*o.octaveShiftDirection*i(e,t.value,1),e._octave=r(c,o.minOctave,o.maxOctave),n}},a[f.Length]=function(t){return function(e,n){var o=e._config;return e._lenList=t.length.map(function(t){var n=i(e,t,o.defaultLength);return r(n,o.minLength,o.maxLength)},this),e._length=e._lenList[0],n}},a[f.Quantize]=function(t){return function(e,n){var o=e._config,c=i(e,t.value,o.defaultQuantize);return e._quantize=r(c,o.minQuantize,o.maxQuantize),n}},a[f.Tempo]=function(t){return function(e,n){var o=e._config,c=i(e,t.value,o.defaultTempo);return e._tempo=r(c,o.minTempo,o.maxTempo),n}},a[f.Volume]=function(t){return function(e,n){var o=e._config,c=i(e,t.value,o.defaultVolume);return e._volume=r(c,o.minVolume,o.maxVolume),n}},a[f.InfLoop]=function(t,e){return function(t,n){return t._infLoopPos=e,t._infLoopWhen=n,n}},a[f.LoopBegin]=function(t,e){return function(n,o){return n._loopStack.push([r(i(n,t.value,2),1,999),e,null]),o}},a[f.LoopExit]=function(){return function(t,e){var r=n(t._loopStack);return r[0]<=1&&null!==r[2]&&(t._pos=r[2]),e}},a[f.LoopEnd]=function(t,e){return function(t,r){var o=n(t._loopStack);return null===o[2]&&(o[2]=e),o[0]-=1,o[0]>0?t._pos=o[1]:t._loopStack.pop(),r}},a[f.Command]=function(t){return function(e,n){return i(e,t.value,0),n}},e.exports.compile=a},{"./expr-compiler":4,"./syntax":13}],9:[function(t,e){"use 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e=t.playbackTime||this.audioContext.currentTime;this.tracks.forEach(function(t){t._process(e)})},e.exports=n},{"./config":2,"./emitter":3,"./extend":6,"./mml-parser":10,"./mml-track":11}],10:[function(t,e){"use strict";function n(t,e){return Array.isArray(e)?Array.prototype.push.apply(t,e):e&&t.push(e),t}function r(t){function e(e,n){for(;;){if(t.forward(),!t.hasNext()||t.match(e))break;n()}}function r(t){return{noteNum:o(t),acci:u()}}function o(e){return{c:0,d:2,e:4,f:5,g:7,a:9,b:11}[t.next()]+e}function u(){return t.match("+")?1*t.scan(/\++/).length:t.match("-")?-1*t.scan(/\-+/).length:0}function a(){for(var e=(t.scan(/\.+/)||"").length,n=new Array(e),r=0;e>r;r++)n[r]=0;return n}function s(){return n([f(/\d+/)].concat(a()),p())}function f(e){if(t.match("("))return E();var n=t.scan(e);return null!==n?+n:null}function p(){return t.forward(),t.match("^")?(t.next(),s(null)):null}function l(){return{type:c.Note,note:[r(0)],length:s()}}function h(){t.expect("[");var n=[],o=0;return 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r=[];return t.match("|")&&(t.next(),r.push({type:c.LoopExit}),e(":",function(){n(r,O())})),r}function w(){return t.expect("@"),{type:c.Command,value:f(/\d+/)}}function E(){var e;return t.expect("("),e=i.parse(t),t.expect(")"),e.variables.forEach(function(t){if("_"===t.charAt(0))throw new SyntaxError("A variable in directives should not be started with '_': "+t)}),{type:c.Expression,expr:e.expr,variables:e.variables}}function O(){switch(t.peek()){case"c":case"d":case"e":case"f":case"g":case"a":case"b":return l();case"[":return h();case"r":return d();case"o":return m();case"<":return v(1);case">":return v(-1);case"l":return _();case"q":return x();case"t":return y();case"v":return g();case"$":return b();case"/":return k();case"@":return w()}t.throwUnexpectedToken()}function T(){var r=[];return e("",function(){var o=[];e(";",function(){n(o,O())}),r.push(o),t.match(";")&&t.next()}),r}return T()}var o=t("./scanner"),i=t("./expr-parser"),c=t("./syntax");e.exports.parse=function(t){return r(new o(t))}},{"./expr-parser":5,"./scanner":12,"./syntax":13}],11:[function(t,e){"use strict";function n(t,e){return t[o]-e[o]}function r(t,e,n){u.call(this),this._pos=0,this._parent=t,this._shared=t,this._config=n,this._nodes=a.compile(this,e),this._sched=[],this._currentTimeIncr=0}var o=0,i=1,c=t("./extend"),u=t("./emitter"),a=t("./mml-compiler");c(r,u),r.prototype._init=function(t,e){this._currentTimeIncr=e;var n=function(t){for(var e=t+this._currentTimeIncr+.015,r=this._nodes;this._pos<r.length&&e>t;)t=r[this._pos](this,t),this._pos+=1;this._pos<r.length&&this.sched(t,n)}.bind(this);n(t)},r.prototype._process=function(t){for(var e=t+this._currentTimeIncr+.015,n=this._sched;n.length&&n[0][o]<e;){var r=n.shift();r[i](r[o])}},r.prototype._recv=function(t,e){e=e||{},"sched"===t.type&&this.sched(t.playbackTime,t.callback),e.private||this.emit(t.type,t),e.bubble&&this._parent&&this._parent._recv(t)},r.prototype.sched=function(t,e){return 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