requirebin sketch

index.js

require('cheatcode')
var x = 2
specialX = function(t){
  if(t > 6 * x) x+=2
  t *= 72 / 60 / x
  t = t * (8 + x) % 12 + x % t
  var a = amod(.25, .125, t, 1/6) 
  return 0
  + oz.sine(t, 120 + oz.triangle(t, amod(0, .1, t, 1/2) * oz.triangle(t, 1/2))) * a
  + oz.sine(t, 360 + (amod(0, .1, t, 1/3) * oz.triangle(t, 1/3))) * a
}

minified.js

require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){function EventEmitter(){this._events=this._events||{};this._maxListeners=this._maxListeners||undefined}module.exports=EventEmitter;EventEmitter.EventEmitter=EventEmitter;EventEmitter.prototype._events=undefined;EventEmitter.prototype._maxListeners=undefined;EventEmitter.defaultMaxListeners=10;EventEmitter.prototype.setMaxListeners=function(n){if(!isNumber(n)||n<0||isNaN(n))throw TypeError("n must be a positive number");this._maxListeners=n;return this};EventEmitter.prototype.emit=function(type){var er,handler,len,args,i,listeners;if(!this._events)this._events={};if(type==="error"){if(!this._events.error||isObject(this._events.error)&&!this._events.error.length){er=arguments[1];if(er instanceof Error){throw er}throw TypeError('Uncaught, unspecified "error" event.')}}handler=this._events[type];if(isUndefined(handler))return false;if(isFunction(handler)){switch(arguments.length){case 1:handler.call(this);break;case 2:handler.call(this,arguments[1]);break;case 3:handler.call(this,arguments[1],arguments[2]);break;default:len=arguments.length;args=new Array(len-1);for(i=1;i<len;i++)args[i-1]=arguments[i];handler.apply(this,args)}}else if(isObject(handler)){len=arguments.length;args=new Array(len-1);for(i=1;i<len;i++)args[i-1]=arguments[i];listeners=handler.slice();len=listeners.length;for(i=0;i<len;i++)listeners[i].apply(this,args)}return true};EventEmitter.prototype.addListener=function(type,listener){var m;if(!isFunction(listener))throw TypeError("listener must be a function");if(!this._events)this._events={};if(this._events.newListener)this.emit("newListener",type,isFunction(listener.listener)?listener.listener:listener);if(!this._events[type])this._events[type]=listener;else if(isObject(this._events[type]))this._events[type].push(listener);else this._events[type]=[this._events[type],listener];if(isObject(this._events[type])&&!this._events[type].warned){var m;if(!isUndefined(this._maxListeners)){m=this._maxListeners}else{m=EventEmitter.defaultMaxListeners}if(m&&m>0&&this._events[type].length>m){this._events[type].warned=true;console.error("(node) warning: possible EventEmitter memory "+"leak detected. %d listeners added. "+"Use emitter.setMaxListeners() to increase limit.",this._events[type].length);if(typeof console.trace==="function"){console.trace()}}}return this};EventEmitter.prototype.on=EventEmitter.prototype.addListener;EventEmitter.prototype.once=function(type,listener){if(!isFunction(listener))throw TypeError("listener must be a function");var fired=false;function g(){this.removeListener(type,g);if(!fired){fired=true;listener.apply(this,arguments)}}g.listener=listener;this.on(type,g);return this};EventEmitter.prototype.removeListener=function(type,listener){var list,position,length,i;if(!isFunction(listener))throw TypeError("listener must be a function");if(!this._events||!this._events[type])return this;list=this._events[type];length=list.length;position=-1;if(list===listener||isFunction(list.listener)&&list.listener===listener){delete this._events[type];if(this._events.removeListener)this.emit("removeListener",type,listener)}else if(isObject(list)){for(i=length;i-->0;){if(list[i]===listener||list[i].listener&&list[i].listener===listener){position=i;break}}if(position<0)return this;if(list.length===1){list.length=0;delete this._events[type]}else{list.splice(position,1)}if(this._events.removeListener)this.emit("removeListener",type,listener)}return this};EventEmitter.prototype.removeAllListeners=function(type){var key,listeners;if(!this._events)return this;if(!this._events.removeListener){if(arguments.length===0)this._events={};else if(this._events[type])delete this._events[type];return this}if(arguments.length===0){for(key in this._events){if(key==="removeListener")continue;this.removeAllListeners(key)}this.removeAllListeners("removeListener");this._events={};return this}listeners=this._events[type];if(isFunction(listeners)){this.removeListener(type,listeners)}else{while(listeners.length)this.removeListener(type,listeners[listeners.length-1])}delete this._events[type];return this};EventEmitter.prototype.listeners=function(type){var ret;if(!this._events||!this._events[type])ret=[];else if(isFunction(this._events[type]))ret=[this._events[type]];else ret=this._events[type].slice();return ret};EventEmitter.listenerCount=function(emitter,type){var ret;if(!emitter._events||!emitter._events[type])ret=0;else if(isFunction(emitter._events[type]))ret=1;else ret=emitter._events[type].length;return ret};function isFunction(arg){return typeof arg==="function"}function isNumber(arg){return typeof arg==="number"}function isObject(arg){return typeof arg==="object"&&arg!==null}function isUndefined(arg){return arg===void 0}},{}],2:[function(require,module,exports){var oz=require("oscillators");module.exports=function(c,r,t,f){return c+r*oz.sine(t,f)}},{oscillators:15}],3:[function(require,module,exports){module.exports=function(m,btz){return function(beat){var x=beat%m;if(x==0)x=m;var i=0;var r=false;for(i;i<btz.length;i++){if(btz[i]==x){r=true;break}}return r}}},{}],4:[function(require,module,exports){var funstance=require("funstance");module.exports=function(delay,feedback,mix,bufferSize){var delay=Math.floor(delay);var feedback=feedback;var mix=mix;var bufferSize=bufferSize||delay*2;if(bufferSize<delay*2)bufferSize=delay*2;var d=new Delay(delay,feedback,mix,bufferSize);var fn=funstance(d,Sample);return fn;function Delay(delay,feedback,mix,bufferSize){this.feedback=feedback;this.mix=mix;this.delay=delay;this.buffer=new Float32Array(bufferSize);this.writeOffset=0;this.endPoint=this.delay*2;this.readOffset=this.delay+1;this.readZero=0}function Sample(sample,_delay,feedback,mix){var s=sample;if(feedback)this.feedback=feedback;if(mix)this.mix=mix;if(_delay&&_delay!==this.delay){_delay=Math.max(0,Math.floor(_delay));if(_delay*2>this.buffer.length){var nb=new Float32Array(_delay*2);nb.set(this.buffer,0);this.buffer=nb}this.delay=_delay;this.endPoint=this.delay*2}if(this.readOffset>=this.endPoint)this.readOffset=0;s=this.buffer[this.readOffset];var write=sample+s*this.feedback;this.buffer[this.writeOffset]=write;this.writeOffset++;this.readOffset++;if(this.writeOffset>=this.endPoint)this.writeOffset=0;return(sample+s)*this.mix}}},{funstance:5}],5:[function(require,module,exports){module.exports=function(obj,fn){var f=function(){if(typeof fn!=="function")return;return fn.apply(obj,arguments)};function C(){}C.prototype=Object.getPrototypeOf(obj);f.__proto__=new C;Object.getOwnPropertyNames(Function.prototype).forEach(function(key){if(f[key]===undefined){f.__proto__[key]=Function.prototype[key]}});Object.getOwnPropertyNames(obj).forEach(function(key){f[key]=obj[key]});return f}},{}],6:[function(require,module,exports){var nvelope=require("nvelope");module.exports=chrono;function chrono(_time){if(!(this instanceof chrono))return new chrono(_time);var self=this;this.ret={};this.gens=[];this.time=_time||0;this.start=_time||0;this.set=function(time,synth,mods){var x;self.gens.push(x=new generate(time,synth,mods));return x};this.tick=function(t,s,i){self.time=t;gc(t);return self.gens.reduce(function(a,e){return a+e.signal(t,s,i)},0)};function gc(t){self.gens=self.gens.filter(function(e){if(e.start+e.dur<t)return false;else return true})}}function generate(_time,synth,mod){if(!(this instanceof generate))return new generate(_time,synth,mod);var self=this;this.start=_time;this.dur=mod.durations.reduce(function(acc,e){return acc+e},0);this.synth=synth;this.env=nvelope(mod.curves,mod.durations);this.signal=function(t,s,i){return self.synth(t,s,i)*self.env(t-self.start)}}},{nvelope:13}],7:[function(require,module,exports){var sync=require("jsynth-sync");module.exports=function(bpm,sampleRate){var Timer=sync(bpm,sampleRate);Timer.beat=beat;return Timer;function beat(interval,rayray,fn){var swag=0;var swinger=function(x){swag=x};var master=undefined;return eys(interval,rayray,fn);function eys(interval,rayray,fn){var y=rayray.length;if(!master)master={rayray:rayray,beat:0};var timer=Timer.on(interval,function(time,beat,xxx,swing){if(rayray===master.rayray){master.beat=beat}else{}swing(swag);var i=rayray[(beat-1)%y];if(i){if(Array.isArray(i)){var yn=i.length;var intervaln=interval/yn;var bat=eys(intervaln,i,fn);bat._l=i.length;bat.on("beat",function(b){if(b==bat._l)bat.emit("stop")})}else{fn(time,master.beat,xxx,swinger)}}else{return}});return timer}}}},{"jsynth-sync":8}],8:[function(require,module,exports){var emitter=require("events").EventEmitter;module.exports=sync;var $=module.exports;function sync(bpm,sampleRate){if(!(this instanceof sync))return new sync(bpm,sampleRate);this.bpm=bpm;this.beatsPerSecond=bpm/60;this.sampleRate=sampleRate;this.spb=Math.round(sampleRate/this.beatsPerSecond);this.s=0;this.t=0;this.index=[];this.beatIndex=new Array}$.prototype.clearAll=function(bpm,samplerate){this.index=this.index.map(function(){return undefined})};$.prototype.tick=function(t,i){++this.s;for(var n=0;n<this.index.length;n++){if(this.index[n])this.index[n](t,i,this.s)}};$.prototype.off=function(i){this.index.splice(i,1,undefined)};$.prototype.on=function(beats,fn){var i=Math.ceil(this.spb*beats);var l=this.index.length;var self=this;var off=function(){self.off(l)};var delta=0;var skipNext=false;var skip=false;function swing(beat){delta=Math.abs(Math.floor(self.spb*beat));skipNext=beat===0?false:true}var emit=new emitter;emit.on("stop",off);this.index.push(function(b,fn,beats,off){return function(t,a,f){if(f%(i+delta)==0){if(skip){skip=false;return}if(skipNext){skipNext=false;skip=true;if(delta>=i){skip=false}}fn.apply(fn,[t,++b,off,swing]);emit.emit("beat",b)}}}(0,fn,beats,off));return emit};function amilli(t){return[Math.floor(t),t%1*1e3]}},{events:1}],9:[function(require,module,exports){module.exports=function(context,fn,bufSize){if(typeof context==="function"){fn=context;context=new webkitAudioContext}if(!bufSize)bufSize=4096;var self=context.createScriptProcessor(bufSize,1,1);self.fn=fn;var tt=0;var ii=0;const rate=context.sampleRate;self.i=self.t=0;window._SAMPLERATE=self.sampleRate=self.rate=context.sampleRate;self.duration=Infinity;self.recording=false;self.onaudioprocess=function(e){var output=e.outputBuffer.getChannelData(0),input=e.inputBuffer.getChannelData(0);self.tick(output,input)};self.tick=function(output,input){for(var i=0;i<output.length;i+=1){tt=ii/rate;ii=ii+1;output[i]=self.fn(tt,ii,input[i])}return output};self.stop=function(){self.disconnect();self.playing=false;if(self.recording){}};self.play=function(opts){if(self.playing)return;self.connect(self.context.destination);self.playing=true;return};self.record=function(){};self.reset=function(){self.i=self.t=0};self.createSample=function(duration){self.reset();var buffer=self.context.createBuffer(1,duration,self.context.sampleRate);var blob=buffer.getChannelData(0);self.tick(blob);return buffer};return self};function mergeArgs(opts,args){Object.keys(opts||{}).forEach(function(key){args[key]=opts[key]});return Object.keys(args).reduce(function(acc,key){var dash=key.length===1?"-":"--";return acc.concat(dash+key,args[key])},[])}function signed(n){if(isNaN(n))return 0;var b=Math.pow(2,15);return n>0?Math.min(b-1,Math.floor(b*n-1)):Math.max(-b,Math.ceil(b*n-1))}},{}],10:[function(require,module,exports){var gus=require("jgauss");var oz=require("oscillators");var sqrtau=Math.sqrt(Math.PI*2);var defs={};defs.m=1/12;defs.f=440;defs.wave="sine";module.exports=makeStrangles;function makeStrangles(opts){if(!opts)opts={};if(typeof opts=="number"){opts={f:opts}}for(var i in defs){if(!opts[i])opts[i]=defs[i]}return new chimera(opts);function chimera(opts){for(var i in opts)this[i]=opts[i];this.ring=function(t,u,s){var x=1,y=0;u=u||0;s=s||1;while(x<=s*4.67-1){y+=oz[this.wave](t,this.f*x)*gus.general(x-1,u,s);x*=Math.pow(2,this.m)}return y}}}},{jgauss:11,oscillators:15}],11:[function(require,module,exports){var sqrtau=Math.sqrt(Math.PI*2);module.exports.standard=standard;module.exports.general=general;function standard(x){return Math.pow(Math.E,-(1/2)*Math.pow(x,2))/sqrtau}function general(x,u,s){return 1/s*standard((x-u)/s)}},{}],12:[function(require,module,exports){module.exports=function(pts){return function(t){for(var a=pts;a.length>1;a=b){for(var i=0,b=[],j;i<a.length-1;i++){for(b[i]=[],j=1;j<a[i].length;j++){b[i][j]=a[i][j]*(1-t)+a[i+1][j]*t}}}return a[0][1]}}},{}],13:[function(require,module,exports){var amod=require("./amod.js");var tnorm=require("normalize-time");module.exports=function(pts,durs){pts=pts.map(amod);var t=0;var totalDuration=durs.reduce(function(e,i){return e+i},0);var tdNormFN=tnorm(t,totalDuration);var s=0;var end=t+totalDuration;var durFNS=durs.map(function(e,i){var x=tnorm(t+s,e);s+=e;return x});var dp=0;var durpercent=durs.map(function(e,i){var x=e/totalDuration+dp;dp+=e/totalDuration;return x});var tn,n,i,v=0,fn=0;var envelope=function(t){tn=tdNormFN(t);if(0>tn||tn>1)return 0;fn=durpercent.reduce(function(p,e,i,d){return(d[i-1]||0)<=tn&&tn<=e?i:p},0);v=pts[fn](durFNS[fn](t));return v};return envelope;function xenvelope(t,sustain){tn=tdNormFN(t);if(0>=tn||tn>=1)return 0;if(tn>durpercent[fn])fn=fn+1>pts.length-1?0:fn+1;v=pts[fn](durFNS[fn](t));return v}}},{"./amod.js":12,"normalize-time":14}],14:[function(require,module,exports){module.exports=function(start,dur,min,max){if(!min)min=0;if(!max)max=1;var end=start+dur;var d=end-start;var r=max-min;return function(time){x=min+(time-start)*r/d;if(x>1){if(time<end)x=Number("."+x.toString().split(".").join(""))}return x}}},{}],15:[function(require,module,exports){var OZ=module.exports;var tau=Math.PI*2;OZ.sine=sine;OZ.saw=saw;OZ.saw_i=saw_i;OZ.triangle=triangle;OZ.triangle_s=triangle_s;OZ.square=square;function sine(t,f){return Math.sin(t*tau*f)}function saw(t,f){var n=t%(1/f)*f%1;return-1+2*n}function saw_i(t,f){var n=t%(1/f)*f%1;return 1-2*n}function triangle(t,f){var n=t%(1/f)*f%1;return n<.5?-1+2*(2*n):1-2*(2*n)}function triangle_s(t,f){var n=t%(1/f)*f%1;var s=Math.abs(Math.sin(t));return n<s?-1+2*(2*(n/s)):1-2*(2*(n/s))}function square(t,f){return t%(1/f)*f%1>.5?1:-1}},{}],16:[function(require,module,exports){(function teoriaScope(){"use strict";var teoria={};function add(note,interval){return[note[0]+interval[0],note[1]+interval[1]]}function sub(note,interval){return[note[0]-interval[0],note[1]-interval[1]]}function mul(note,interval){if(typeof interval==="number")return[note[0]*interval,note[1]*interval];else return[note[0]*interval[0],note[1]*interval[1]]}function sum(coord){return coord[0]+coord[1]}var notes={c:[0,0],d:[-1,2],e:[-2,4],f:[1,-1],g:[0,1],a:[-1,3],b:[-2,5],h:[-2,5]};var intervals={unison:[0,0],second:[3,-5],third:[2,-3],fourth:[1,-1],fifth:[0,1],sixth:[3,-4],seventh:[2,-2],octave:[1,0]};var intervalFromFifth=["second","sixth","third","seventh","fourth","unison","fifth"];var intervalsIndex=["unison","second","third","fourth","fifth","sixth","seventh","octave","ninth","tenth","eleventh","twelfth","thirteenth","fourteenth","fifteenth"];var fifths=["f","c","g","d","a","e","b"];var accidentals=["bb","b","","#","x"];var sharp=[-4,7];var A4=add(notes.a,[4,0]);var kDurations={.25:"longa",.5:"breve",1:"whole",2:"half",4:"quarter",8:"eighth",16:"sixteenth",32:"thirty-second",64:"sixty-fourth",128:"hundred-twenty-eighth"};var kQualityLong={P:"perfect",M:"major",m:"minor",A:"augmented",AA:"doubly augmented",d:"diminished",dd:"doubly diminished"};var kAlterations={perfect:["dd","d","P","A","AA"],minor:["dd","d","m","M","A","AA"]};var kSymbols={min:["m3","P5"],m:["m3","P5"],"-":["m3","P5"],M:["M3","P5"],"":["M3","P5"],"+":["M3","A5"],aug:["M3","A5"],dim:["m3","d5"],o:["m3","d5"],maj:["M3","P5","M7"],dom:["M3","P5","m7"],"ø":["m3","d5","m7"],5:["P5"]};var kChordShort={major:"M",minor:"m",augmented:"aug",diminished:"dim","half-diminished":"7b5",power:"5",dominant:"7"};var kStepNumber={unison:1,first:1,second:2,third:3,fourth:4,fifth:5,sixth:6,seventh:7,octave:8,ninth:9,eleventh:11,thirteenth:13};var kIntervalSolfege={dd1:"daw",d1:"de",P1:"do",A1:"di",AA1:"dai",d2:"raw",m2:"ra",M2:"re",A2:"ri",AA2:"rai",d3:"maw",m3:"me",M3:"mi",A3:"mai",dd4:"faw",d4:"fe",P4:"fa",A4:"fi",AA4:"fai",dd5:"saw",d5:"se",P5:"so",A5:"si",AA5:"sai",d6:"law",m6:"le",M6:"la",A6:"li",AA6:"lai",d7:"taw",m7:"te",M7:"ti",A7:"tai",dd8:"daw",d8:"de",P8:"do",A8:"di",AA8:"dai"};function pad(str,ch,len){for(;len>0;len--){str+=ch}return str}teoria.note=function(name,duration){if(typeof name==="string")return teoria.note.fromString(name,duration);else return new TeoriaNote(name,duration)};teoria.note.fromKey=function(key){var octave=Math.floor((key-4)/12);var distance=key-octave*12-4;var name=fifths[(2*Math.round(distance/2)+1)%7];var note=add(sub(notes[name],A4),[octave+1,0]);var diff=key-49-sum(mul(note,[12,7]));return teoria.note(diff?add(note,mul(sharp,diff)):note)};teoria.note.fromFrequency=function(fq,concertPitch){var key,cents,originalFq;concertPitch=concertPitch||440;key=49+12*((Math.log(fq)-Math.log(concertPitch))/Math.log(2));key=Math.round(key);originalFq=concertPitch*Math.pow(2,(key-49)/12);cents=1200*(Math.log(fq/originalFq)/Math.log(2));return{note:teoria.note.fromKey(key),cents:cents}};teoria.note.fromMIDI=function(note){return teoria.note.fromKey(note-20)};teoria.note.fromString=function(name,dur){var scientific=/^([a-h])(x|#|bb|b?)(-?\d*)/i,helmholtz=/^([a-h])(x|#|bb|b?)([,\']*)$/i,parser,noteName,octave,accidental,note,lower;parser=name.match(scientific);if(parser&&name===parser[0]&&parser[3].length){noteName=parser[1];octave=+parser[3]}else{name=name.replace(/\u2032/g,"'").replace(/\u0375/g,",");parser=name.match(helmholtz);if(!parser||name!==parser[0])throw new Error("Invalid note format");noteName=parser[1];octave=parser[3];lower=noteName===noteName.toLowerCase();if(!octave.length)octave=lower?3:2;else if(octave.match(/^'+$/)&&lower)octave=3+octave.length;else if(octave.match(/^,+$/)&&!lower)octave=2-octave.length;else throw new Error("Format must respect the Helmholtz format")}accidental=parser[2].length?parser[2].toLowerCase():"";noteName=noteName.toLowerCase();note=[notes[noteName][0],notes[noteName][1]];note=add(note,[octave,0]);note=add(note,mul(sharp,accidentals.indexOf(accidental)-2));return new TeoriaNote(sub(note,A4),dur)};teoria.chord=function(name,symbol){if(typeof name==="string"){var root,octave;root=name.match(/^([a-h])(x|#|bb|b?)/i);if(root&&root[0]){octave=typeof symbol==="number"?symbol.toString(10):"4";return new TeoriaChord(teoria.note(root[0].toLowerCase()+octave),name.substr(root[0].length))}}else if(name instanceof TeoriaNote)return new TeoriaChord(name,symbol);throw new Error("Invalid Chord. Couldn't find note name")};teoria.interval=function(from,to){if(typeof from==="string")return teoria.interval.toCoord(from);if(typeof to==="string"&&from instanceof TeoriaNote)return teoria.interval.from(from,teoria.interval.toCoord(to));if(to instanceof TeoriaInterval&&from instanceof TeoriaNote)return teoria.interval.from(from,to);if(to instanceof TeoriaNote&&from instanceof TeoriaNote)return teoria.interval.between(from,to);throw new Error("Invalid parameters")};teoria.interval.toCoord=function(simple){var pattern=/^(AA|A|P|M|m|d|dd)(-?\d+)$/,parser,number,coord,quality,lower,octaves,base,type,alt,down;parser=simple.match(pattern);if(!parser)throw new Error("Invalid simple format interval");quality=parser[1];number=+parser[2];down=number<0;number=down?-number:number;lower=number>8?number%7?number%7:7:number;octaves=(number-lower)/7;base=intervals[intervalsIndex[lower-1]];coord=add(base,[octaves,0]);type=base[0]<=1?"perfect":"minor";if(type==="perfect"&&(quality==="M"||quality==="m")||type==="minor"&&quality==="P"){throw new Error("Invalid interval quality")}alt=kAlterations[type].indexOf(quality)-2;coord=add(coord,mul(sharp,alt));coord=down?mul(coord,-1):coord;return new TeoriaInterval(coord)};teoria.interval.from=function(from,to){return new TeoriaNote(add(from.coord,to.coord))};teoria.interval.between=function(from,to){return new TeoriaInterval(sub(to.coord,from.coord))};teoria.interval.invert=function(sInterval){return teoria.interval(sInterval).invert().toString()};teoria.scale=function(tonic,scale){if(!(tonic instanceof TeoriaNote))tonic=teoria.note(tonic);return new TeoriaScale(tonic,scale)};teoria.scale.scales={};function TeoriaNote(coord,duration){duration=duration||{};this.duration={value:duration.value||4,dots:duration.dots||0};this.coord=coord}TeoriaNote.prototype={octave:function(){return this.coord[0]+A4[0]-notes[this.name()][0]+this.accidentalValue()*4},name:function(){return fifths[this.coord[1]+A4[1]-this.accidentalValue()*7+1]},accidentalValue:function(){return Math.round((this.coord[1]+A4[1]-2)/7)},accidental:function(){return accidentals[this.accidentalValue()+2]},key:function(white){if(white)return this.coord[0]*7+this.coord[1]*4+29;else return this.coord[0]*12+this.coord[1]*7+49},midi:function(){return this.key()+20},fq:function(concertPitch){concertPitch=concertPitch||440;return concertPitch*Math.pow(2,(this.coord[0]*12+this.coord[1]*7)/12)},chroma:function(){var value=(sum(mul(this.coord,[12,7]))-3)%12;return value<0?value+12:value},scale:function(scale){return teoria.scale(this,scale)},interval:function(interval){return teoria.interval(this,interval)},transpose:function(interval){var note=teoria.interval(this,interval);this.coord=note.coord;return this},chord:function(chord){chord=chord in kChordShort?kChordShort[chord]:chord;return new TeoriaChord(this,chord)},helmholtz:function(){var octave=this.octave();var name=this.name();name=octave<3?name.toUpperCase():name.toLowerCase();var padchar=octave<3?",":"'";var padcount=octave<2?2-octave:octave-3;return pad(name+this.accidental(),padchar,padcount)},scientific:function(){return this.name().toUpperCase()+this.accidental()+this.octave()},enharmonics:function(oneaccidental){var key=this.key(),limit=oneaccidental?2:3;return["m3","m2","m-2","m-3"].map(this.interval.bind(this)).filter(function(note){var acc=note.accidentalValue();var diff=key-(note.key()-acc);if(diff<limit&&diff>-limit){note.coord=add(note.coord,mul(sharp,diff-acc));return true}})},solfege:function(scale,showOctaves){if(!(scale instanceof TeoriaScale)){throw new Error("Invalid Scale")}var interval=scale.tonic.interval(this),solfege,stroke,count;if(interval.direction()==="down")interval=interval.invert();if(showOctaves){count=(this.key(true)-scale.tonic.key(true))/7;count=count>=0?Math.floor(count):-Math.ceil(-count);stroke=count>=0?"'":","}solfege=kIntervalSolfege[interval.simple(true).toString()];return showOctaves?pad(solfege,stroke,Math.abs(count)):solfege},durationName:function(){return kDurations[this.duration.value]},durationInSeconds:function(bpm,beatUnit){var secs=60/bpm/(this.duration.value/4)/(beatUnit/4);return secs*2-secs/Math.pow(2,this.duration.dots)},scaleDegree:function(scale){var inter=scale.tonic.interval(this);if(inter.direction()==="down"||inter.coord[1]===0&&inter.coord[0]!==0){inter=inter.invert()}inter=inter.simple(true).coord;return scale.scale.reduce(function(index,current,i){var coord=teoria.interval(current).coord;return coord[0]===inter[0]&&coord[1]===inter[1]?i+1:index},0)},toString:function(dont){return this.name()+this.accidental()+(dont?"":this.octave())}};function TeoriaInterval(coord){this.coord=coord}TeoriaInterval.prototype={name:function(){return intervalsIndex[this.number()-1]},semitones:function(){return sum(mul(this.coord,[12,7]))},number:function(){return Math.abs(this.value())},value:function(){var without=sub(this.coord,mul(sharp,Math.floor((this.coord[1]-2)/7)+1)),i,val;i=intervalFromFifth[without[1]+5];val=kStepNumber[i]+(without[0]-intervals[i][0])*7;return val>0?val:val-2},type:function(){return intervals[this.base()][0]<=1?"perfect":"minor"},base:function(){var fifth=sub(this.coord,mul(sharp,this.qualityValue()))[1],name;fifth=this.value()>0?fifth+5:-(fifth-5)%7;fifth=fifth<0?intervalFromFifth.length+fifth:fifth;name=intervalFromFifth[fifth];if(name==="unison"&&this.number()>=8)name="octave";return name},direction:function(dir){if(dir){var is=this.value()>=1?"up":"down";if(is!==dir)this.coord=mul(this.coord,-1);return this}else return this.value()>=1?"up":"down"},simple:function(ignore){var simple=intervals[this.base()];simple=add(simple,mul(sharp,this.qualityValue()));if(!ignore)simple=this.direction()==="down"?mul(simple,-1):simple;return new TeoriaInterval(simple)},isCompound:function(){return this.number()>8},octaves:function(){var without,octaves;if(this.direction()==="up"){without=sub(this.coord,mul(sharp,this.qualityValue()));octaves=without[0]-intervals[this.base()][0]}else{without=sub(this.coord,mul(sharp,-this.qualityValue()));octaves=-(without[0]+intervals[this.base()][0])}return octaves},invert:function(){var i=this.base();var qual=this.qualityValue();var acc=this.type()==="minor"?-(qual-1):-qual;var coord=intervals[intervalsIndex[9-kStepNumber[i]-1]];coord=add(coord,mul(sharp,acc));return new TeoriaInterval(coord)},quality:function(lng){var quality=kAlterations[this.type()][this.qualityValue()+2];return lng?kQualityLong[quality]:quality},qualityValue:function(){if(this.direction()==="down")return Math.floor((-this.coord[1]-2)/7)+1;else return Math.floor((this.coord[1]-2)/7)+1},equal:function(interval){return this.coord[0]===interval.coord[0]&&this.coord[1]===interval.coord[1]},greater:function(interval){var semi=this.semitones();var isemi=interval.semitones();return semi===isemi?this.number()>interval.number():semi>isemi},smaller:function(interval){return!this.equal(interval)&&!this.greater(interval)},add:function(interval){return new TeoriaInterval(add(this.coord,interval.coord))},toString:function(ignore){var number=ignore?this.number():this.value();return this.quality()+number}};function TeoriaChord(root,name){name=name||"";this.name=root.name().toUpperCase()+root.accidental()+name;this.symbol=name;this.root=root;this.intervals=[];this._voicing=[];var i,length,c,shortQ,parsing="quality",additionals=[],notes=["P1","M3","P5","m7","M9","P11","M13"],chordLength=2,bass,symbol;function setChord(intervals){for(var n=0,chordl=intervals.length;n<chordl;n++){notes[n+1]=intervals[n]}chordLength=intervals.length}name=name.replace(/[,\s\(\)]/g,"");bass=name.split("/");if(bass.length===2){name=bass[0];bass=bass[1]}else{bass=null}for(i=0,length=name.length;i<length;i++){if(!(c=name[i])){break}switch(parsing){case"quality":shortQ=i+3<=length?name.substr(i,3).toLowerCase():null;symbol=shortQ in kSymbols?shortQ:c in kSymbols?c:"";setChord(kSymbols[symbol]);i+=symbol.length-1;parsing="extension";break;case"extension":c=c==="1"&&name[i+1]?parseFloat(name.substr(i,2)):parseFloat(c);if(!isNaN(c)&&c!==6){chordLength=(c-1)/2;if(chordLength!==Math.round(chordLength)){throw new Error("Invalid interval extension: "+c.toString(10))}if(symbol==="o"||symbol==="dim"){notes[3]="d7"}i+=String(c).length-1}else if(c===6){notes[3]="M6";chordLength=chordLength<3?3:chordLength}else{i-=1}parsing="alterations";break;case"alterations":var alterations=name.substr(i).split(/(#|b|add|maj|sus|M)/i),next,flat=false,sharp=false;if(alterations.length===1){throw new Error("Invalid alterations")}else if(alterations[0].length!==0){throw new Error("Invalid token: '"+alterations[0]+"'")}for(var a=1,aLength=alterations.length;a<aLength;a++){next=alterations[a+1];switch(alterations[a]){case"M":case"Maj":case"maj":chordLength=chordLength<3?3:chordLength;if(next==="7"){a++}notes[3]="M7";break;case"Sus":case"sus":var type="P4";if(next==="2"||next==="4"){a++;if(next==="2"){type="M2"}}notes[1]=type;break;case"Add":case"add":if(next&&!isNaN(+next)){if(next==="9"){additionals.push("M9")}else if(next==="11"){additionals.push("P11")}else if(next==="13"){additionals.push("M13")}a+=next.length}break;case"b":flat=true;break;case"#":sharp=true;break;default:if(alterations[a].length===0){break}var token=+alterations[a],quality,intPos;if(isNaN(token)||String(token).length!==alterations[a].length){throw new Error("Invalid token: '"+alterations[a]+"'")}if(token===6){if(sharp){notes[3]="A6"}else if(flat){notes[3]="m6"}else{notes[3]="M6"}chordLength=chordLength<3?3:chordLength;continue}intPos=(token-1)/2;if(chordLength<intPos){chordLength=intPos}if(token<5||token===7||intPos!==Math.round(intPos)){throw new Error("Invalid interval alteration: "+token)}quality=notes[intPos][0];if(sharp){if(quality==="d"){quality="m"}else if(quality==="m"){quality="M"}else if(quality==="M"||quality==="P"){quality="A"}}else if(flat){if(quality==="A"){quality="M"}else if(quality==="M"){quality="m"}else if(quality==="m"||quality==="P"){quality="d"}}sharp=flat=false;notes[intPos]=quality+token;break}}parsing="ended";break}if(parsing==="ended"){break}}if(bass&&bass==="9"){additionals.push("M9");bass=null}this.intervals=notes.slice(0,chordLength+1).concat(additionals).map(function(i){return teoria.interval(i)});for(i=0,length=this.intervals.length;i<length;i++){this._voicing[i]=this.intervals[i]}if(bass){var intervals=this.intervals,bassInterval,note;note=teoria.note(bass+(root.octave()+1));bassInterval=teoria.interval.between(root,note);bass=bassInterval.simple();bassInterval=bassInterval.invert();bassInterval.direction("down");this._voicing=[bassInterval];for(i=0;i<length;i++){if(intervals[i].simple().equal(bass))continue;this._voicing.push(intervals[i])}}}TeoriaChord.prototype={notes:function(){var voicing=this.voicing(),notes=[];for(var i=0,length=voicing.length;i<length;i++){notes.push(teoria.interval.from(this.root,voicing[i]))}return notes},voicing:function(voicing){if(!voicing){return this._voicing}this._voicing=[];for(var i=0,length=voicing.length;i<length;i++){this._voicing[i]=teoria.interval(voicing[i])}return this},resetVoicing:function(){this._voicing=this.intervals},dominant:function(additional){additional=additional||"";return new TeoriaChord(this.root.interval("P5"),additional)},subdominant:function(additional){additional=additional||"";return new TeoriaChord(this.root.interval("P4"),additional)},parallel:function(additional){additional=additional||"";var quality=this.quality();if(this.chordType()!=="triad"||quality==="diminished"||quality==="augmented"){throw new Error("Only major/minor triads have parallel chords")}if(quality==="major"){return new TeoriaChord(this.root.interval("m3","down"),"m")}else{return new TeoriaChord(this.root.interval("m3","up"))}},quality:function(){var third,fifth,seventh,intervals=this.intervals;for(var i=0,length=intervals.length;i<length;i++){if(intervals[i].number()===3){third=intervals[i]}else if(intervals[i].number()===5){fifth=intervals[i]}else if(intervals[i].number()===7){seventh=intervals[i]}}if(!third){return}third=third.direction()==="down"?third.invert():third;third=third.simple().toString();if(fifth){fifth=fifth.direction==="down"?fifth.invert():fifth;fifth=fifth.simple().toString()}if(seventh){seventh=seventh.direction==="down"?seventh.invert():seventh;seventh=seventh.simple().toString()}if(third==="M3"){if(fifth==="A5"){return"augmented"}else if(fifth==="P5"){return seventh==="m7"?"dominant":"major"}return"major"}else if(third==="m3"){if(fifth==="P5"){return"minor"}else if(fifth==="d5"){return seventh==="m7"?"half-diminished":"diminished"}return"minor"}},chordType:function(){var length=this.intervals.length,interval,has,invert,i,name;if(length===2){return"dyad"}else if(length===3){has={first:false,third:false,fifth:false};for(i=0;i<length;i++){interval=this.intervals[i];invert=interval.invert();if(interval.base()in has){has[interval.base()]=true}else if(invert.base()in has){has[invert.base()]=true}}name=has.first&&has.third&&has.fifth?"triad":"trichord"}else if(length===4){
has={first:false,third:false,fifth:false,seventh:false};for(i=0;i<length;i++){interval=this.intervals[i];invert=interval.invert();if(interval.base()in has){has[interval.base()]=true}else if(invert.base()in has){has[invert.base()]=true}}if(has.first&&has.third&&has.fifth&&has.seventh){name="tetrad"}}return name||"unknown"},get:function(interval){if(typeof interval==="string"&&interval in kStepNumber){var intervals=this.intervals,i,length;interval=kStepNumber[interval];for(i=0,length=intervals.length;i<length;i++){if(intervals[i].number()===interval){return teoria.interval.from(this.root,intervals[i])}}return null}else{throw new Error("Invalid interval name")}},interval:function(interval){return new TeoriaChord(this.root.interval(interval),this.symbol)},transpose:function(interval){this.root.transpose(interval);this.name=this.root.name().toUpperCase()+this.root.accidental()+this.symbol;return this},toString:function(){return this.name}};function TeoriaScale(tonic,scale){var scaleName,i;if(!(tonic instanceof TeoriaNote)){throw new Error("Invalid Tonic")}if(typeof scale==="string"){scaleName=scale;scale=teoria.scale.scales[scale];if(!scale)throw new Error("Invalid Scale")}else{for(i in teoria.scale.scales){if(teoria.scale.scales.hasOwnProperty(i)){if(teoria.scale.scales[i].toString()===scale.toString()){scaleName=i;break}}}}this.name=scaleName;this.tonic=tonic;this.scale=scale}TeoriaScale.prototype={notes:function(){var notes=[];for(var i=0,length=this.scale.length;i<length;i++){notes.push(teoria.interval(this.tonic,this.scale[i]))}return notes},simple:function(){return this.notes().map(function(n){return n.toString(true)})},type:function(){var length=this.scale.length-2;if(length<8){return["di","tri","tetra","penta","hexa","hepta","octa"][length]+"tonic"}},get:function(i){i=typeof i==="string"&&i in kStepNumber?kStepNumber[i]:i;return this.tonic.interval(this.scale[i-1])},solfege:function(index,showOctaves){if(index)return this.get(index).solfege(this,showOctaves);return this.notes().map(function(n){return n.solfege(this,showOctaves)})},interval:function(interval){return new TeoriaScale(this.tonic.interval(interval),this.scale)},transpose:function(interval){var scale=this.interval(interval);this.scale=scale.scale;this.tonic=scale.tonic;return this}};teoria.scale.scales.ionian=teoria.scale.scales.major=["P1","M2","M3","P4","P5","M6","M7"];teoria.scale.scales.dorian=["P1","M2","m3","P4","P5","M6","m7"];teoria.scale.scales.phrygian=["P1","m2","m3","P4","P5","m6","m7"];teoria.scale.scales.lydian=["P1","M2","M3","A4","P5","M6","M7"];teoria.scale.scales.mixolydian=["P1","M2","M3","P4","P5","M6","m7"];teoria.scale.scales.aeolian=teoria.scale.scales.minor=["P1","M2","m3","P4","P5","m6","m7"];teoria.scale.scales.locrian=["P1","m2","m3","P4","d5","m6","m7"];teoria.scale.scales.majorpentatonic=["P1","M2","M3","P5","M6"];teoria.scale.scales.minorpentatonic=["P1","m3","P4","P5","m7"];teoria.scale.scales.chromatic=teoria.scale.scales.harmonicchromatic=["P1","m2","M2","m3","M3","P4","A4","P5","m6","M6","m7","M7"];teoria.TeoriaNote=TeoriaNote;teoria.TeoriaChord=TeoriaChord;teoria.TeoriaScale=TeoriaScale;teoria.TeoriaInterval=TeoriaInterval;if(typeof exports!=="undefined"){if(typeof module!=="undefined"&&module.exports)exports=module.exports=teoria;exports.teoria=teoria}else if(typeof this!=="undefined")this.teoria=teoria;else if(typeof window!=="undefined")window.teoria=teoria})()},{}],cheatcode:[function(require,module,exports){window.time=0;context=AudioContext;master=new context;SAMPLERATE=samplerate=master.sampleRate;jsynth=require("jsynth");nvelope=require("nvelope");sync=require("jsynth-zerone");oz=require("oscillators");jdelay=require("jdelay");amod=require("amod");chronotrigger=require("jigger");clang=require("meffisto");beatmath=require("beatmath");teoria=require("teoria");specialX=function(t,s,i){return 0};generator=new chronotrigger;music=function(time,sample,input){window.time=time;timer.tick.call(timer,time);return generator.tick(time,sample,input)+specialX(time,sample,input)};timer=sync(60,master.sampleRate);dsp=function(t,s,i){time=t;return music(t,s,i)};synth=jsynth(master,dsp);synth.connect(master.destination)},{amod:2,beatmath:3,jdelay:4,jigger:6,jsynth:9,"jsynth-zerone":7,meffisto:10,nvelope:13,oscillators:15,teoria:16}]},{},[]);require("cheatcode");var x=2;specialX=function(t){if(t>6*x)x+=2;t*=72/60/x;t=t*(8+x)%12+x%t;var a=amod(.25,.125,t,1/6);return 0+oz.sine(t,120+oz.triangle(t,amod(0,.1,t,1/2)*oz.triangle(t,1/2)))*a+oz.sine(t,360+amod(0,.1,t,1/3)*oz.triangle(t,1/3))*a};

package.json

{
  "name": "requirebin-sketch",
  "version": "1.0.0",
  "dependencies": {
    "cheatcode": "1.4.0"
  }
}

requirebin.md

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