scribbletune/dist/max.js

Create music with JavaScript and Node.js!

(()=>{var e={397:(e,t)=>{(()=>{"use strict";var 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p=function(e){return{"C#":"Db","D#":"Eb","F#":"Gb","G#":"Ab","A#":"Bb"}[e.toUpperCase()]||e.charAt(0).toUpperCase()+e.slice(1)}(c.replace(/\d/g,"")),h=""!==c.replace(/\D/g,"")?+c.replace(/\D/g,""):4;if(isNaN(h))throw new Error("".concat(c[0]," does not have a valid octave"));if(!e[s]&&!t[s])throw new Error("".concat(i," is not a valid ").concat(a));for(var d=function(e,t){var r=["C","Db","D","Eb","E","F","Gb","G","Ab","A","Bb","B"],n=r.map((function(e){return e+t})),o=r.map((function(e){return e+(t+1)})),i=n.concat(o);return i.slice(i.indexOf(e+t))}(p,h),l=[],f=0,m=0,v=n?e:t;f<v[s].length;)"1"===v[s][f]&&l.push(d[m]),f++,m++;return l},i=function(e){var t,n,o="b9sus",i=4;return e.includes(o)?(n=o,t=e.slice(0,e.indexOf(o))):(t=e[0],n=e.slice(1),"b"!==e[1]&&"#"!==e[1]||(t+=e[1],n=e.slice(2))),e.includes("_")&&(i=+e.split("_")[1],n=n.slice(0,n.indexOf("_"))),r({chord:t+i+" "+n})},a=function(){return Object.keys(t)},s=function(){return Object.keys(e)},c=function(e){return 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t=t||!1,e>23&&(i=e-12*(o=Math.floor(e/12)-1)),n=r.midi_pitches_letter[i],t&&n.indexOf("#")>0&&(n=r.midi_flattened_notes[n]),n+o},mpqnFromBpm:function(e){var t=Math.floor(6e7/e),r=[];do{r.unshift(255&t),t>>=8}while(t);for(;r.length<3;)r.push(0);return r},bpmFromMpqn:function(e){if(void 0!==e[0])for(var t=0,r=e.length-1;r>=0;++t,--r)e[t];return Math.floor(6e7/e)},codes2Str:function(e){return String.fromCharCode.apply(null,e)},str2Bytes:function(e,t){if(t)for(;e.length/2<t;)e="0"+e;for(var r=[],n=e.length-1;n>=0;n-=2){var o=0===n?e[n]:e[n-1]+e[n];r.unshift(parseInt(o,16))}return r},translateTickTime:function(e){for(var t=127&e;e>>=7;)t<<=8,t|=127&e|128;for(var r=[];r.push(255&t),128&t;)t>>=8;return r}}),n=function(e){if(!this)return new n(e);!e||null===e.type&&void 0===e.type||null===e.channel&&void 0===e.channel||null===e.param1&&void 0===e.param1||(this.setTime(e.time),this.setType(e.type),this.setChannel(e.channel),this.setParam1(e.param1),this.setParam2(e.param2))};n.NOTE_OFF=128,n.NOTE_ON=144,n.AFTER_TOUCH=160,n.CONTROLLER=176,n.PROGRAM_CHANGE=192,n.CHANNEL_AFTERTOUCH=208,n.PITCH_BEND=224,n.prototype.setTime=function(e){this.time=r.translateTickTime(e||0)},n.prototype.setType=function(e){if(e<n.NOTE_OFF||e>n.PITCH_BEND)throw new Error("Trying to set an unknown event: "+e);this.type=e},n.prototype.setChannel=function(e){if(e<0||e>15)throw new Error("Channel is out of bounds.");this.channel=e},n.prototype.setParam1=function(e){this.param1=e},n.prototype.setParam2=function(e){this.param2=e},n.prototype.toBytes=function(){var e=[],t=this.type|15&this.channel;return e.push.apply(e,this.time),e.push(t),e.push(this.param1),void 0!==this.param2&&null!==this.param2&&e.push(this.param2),e};var o=function(e){if(!this)return new o(e);this.setTime(e.time),this.setType(e.type),this.setData(e.data)};o.SEQUENCE=0,o.TEXT=1,o.COPYRIGHT=2,o.TRACK_NAME=3,o.INSTRUMENT=4,o.LYRIC=5,o.MARKER=6,o.CUE_POINT=7,o.CHANNEL_PREFIX=32,o.END_OF_TRACK=47,o.TEMPO=81,o.SMPTE=84,o.TIME_SIG=88,o.KEY_SIG=89,o.SEQ_EVENT=127,o.prototype.setTime=function(e){this.time=r.translateTickTime(e||0)},o.prototype.setType=function(e){this.type=e},o.prototype.setData=function(e){this.data=e},o.prototype.toBytes=function(){if(!this.type)throw new Error("Type for meta-event not specified.");var e=[];if(e.push.apply(e,this.time),e.push(255,this.type),Array.isArray(this.data))e.push(this.data.length),e.push.apply(e,this.data);else if("number"==typeof this.data)e.push(1,this.data);else if(null!==this.data&&void 0!==this.data){e.push(this.data.length);var t=this.data.split("").map((function(e){return e.charCodeAt(0)}));e.push.apply(e,t)}else e.push(0);return e};var i=function(e){if(!this)return new i(e);var t=e||{};this.events=t.events||[]};i.START_BYTES=[77,84,114,107],i.END_BYTES=[0,255,47,0],i.prototype.addEvent=function(e){return this.events.push(e),this},i.prototype.addNoteOn=i.prototype.noteOn=function(e,o,i,a){return this.events.push(new n({type:n.NOTE_ON,channel:e,param1:r.ensureMidiPitch(o),param2:a||t,time:i||0})),this},i.prototype.addNoteOff=i.prototype.noteOff=function(e,o,i,a){return this.events.push(new n({type:n.NOTE_OFF,channel:e,param1:r.ensureMidiPitch(o),param2:a||t,time:i||0})),this},i.prototype.addNote=i.prototype.note=function(e,t,r,n,o){return this.noteOn(e,t,n,o),r&&this.noteOff(e,t,r,o),this},i.prototype.addChord=i.prototype.chord=function(e,t,r,n){if(!Array.isArray(t)&&!t.length)throw new Error("Chord must be an array of pitches");return t.forEach((function(t){this.noteOn(e,t,0,n)}),this),t.forEach((function(t,n){0===n?this.noteOff(e,t,r):this.noteOff(e,t)}),this),this},i.prototype.setInstrument=i.prototype.instrument=function(e,t,r){return this.events.push(new 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