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feat(xen/tunejs): support sending a custom tuning

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dudymas 2025-07-05 13:43:42 -04:00
parent 37fde8f3e8
commit 0722cf7ded
1 changed files with 9 additions and 4 deletions
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13
packages/xen/tunejs.js
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@ -139,10 +139,10 @@ Tune.prototype.MIDI = function(stepIn,octaveIn) {
/* Load a new scale */
Tune.prototype.loadScale = function(name){
Tune.prototype.loadScale = function(scale){
/* load the scale */
var freqs = TuningList[name].frequencies
var freqs = isArrayOfNumbers(scale) ? scale : TuningList[scale].frequencies
this.scale = []
for (var i=0;i<freqs.length-1;i++) {
this.scale.push(freqs[i]/freqs[0])
@ -207,8 +207,13 @@ Tune.prototype.search = function(letters) {
return possible
}
Tune.prototype.isValidScale = function(name) {
return !!TuningList[name];
function isArrayOfNumbers(arg) {
return Array.isArray(arg) && arg.length > 0 && arg.every(item => typeof item === 'number' && !isNaN(item));
}
/* allow an array of values too */
Tune.prototype.isValidScale = function(scale) {
return !!TuningList[scale] || isArrayOfNumbers(scale) ;
}
/* Return a collection of notes as an array */