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pass an array of names instead

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Lu[ke] Wilson 2025-08-02 10:17:33 +01:00
parent 051efdc13b
commit 39c45bc2b2
1 changed files with 35 additions and 38 deletions
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73
packages/tonal/tonal.mjs
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@ -61,42 +61,6 @@ function scaleOffset(scale, offset, note) {
return n + o; return n + o;
} }
function transposeFn(intervalOrSemitones, pat) {
return pat.withHap((hap) => {
const note = hap.value.note ?? hap.value;
if (typeof note === 'number') {
// note is a number, so just add the number semitones of the interval
let semitones;
if (typeof intervalOrSemitones === 'number') {
semitones = intervalOrSemitones;
} else if (typeof intervalOrSemitones === 'string') {
semitones = Interval.semitones(intervalOrSemitones) || 0;
}
const targetNote = note + semitones;
if (typeof hap.value === 'object') {
return hap.withValue(() => ({ ...hap.value, note: targetNote }));
}
return hap.withValue(() => targetNote);
}
if (typeof note !== 'string' || !isNote(note)) {
logger(`[tonal] transpose: not a note "${note}"`, 'warning');
return hap;
}
// note is a string, so we might be able to preserve harmonics if interval is a string as well
const interval = !isNaN(Number(intervalOrSemitones))
? Interval.fromSemitones(intervalOrSemitones)
: String(intervalOrSemitones);
// TODO: move simplify to player to preserve enharmonics
// tone.js doesn't understand multiple sharps flats e.g. F##3 has to be turned into G3
// TODO: check if this is still relevant..
const targetNote = Note.simplify(Note.transpose(note, interval));
if (typeof hap.value === 'object') {
return hap.withValue(() => ({ ...hap.value, note: targetNote }));
}
return hap.withValue(() => targetNote);
});
}
// Pattern.prototype._transpose = function (intervalOrSemitones: string | number) { // Pattern.prototype._transpose = function (intervalOrSemitones: string | number) {
/** /**
* Change the pitch of each value by the given amount. Expects numbers or note strings as values. * Change the pitch of each value by the given amount. Expects numbers or note strings as values.
@ -131,8 +95,41 @@ function transposeFn(intervalOrSemitones, pat) {
* "c2 c3".fast(2).transpose("<1P -2M 4P 3m>".slow(2)).note() * "c2 c3".fast(2).transpose("<1P -2M 4P 3m>".slow(2)).note()
*/ */
export const transpose = register('transpose', transposeFn); export const transpose = register(['transpose', 'trans'], function transposeFn(intervalOrSemitones, pat) {
export const trans = register('trans', transposeFn); return pat.withHap((hap) => {
const note = hap.value.note ?? hap.value;
if (typeof note === 'number') {
// note is a number, so just add the number semitones of the interval
let semitones;
if (typeof intervalOrSemitones === 'number') {
semitones = intervalOrSemitones;
} else if (typeof intervalOrSemitones === 'string') {
semitones = Interval.semitones(intervalOrSemitones) || 0;
}
const targetNote = note + semitones;
if (typeof hap.value === 'object') {
return hap.withValue(() => ({ ...hap.value, note: targetNote }));
}
return hap.withValue(() => targetNote);
}
if (typeof note !== 'string' || !isNote(note)) {
logger(`[tonal] transpose: not a note "${note}"`, 'warning');
return hap;
}
// note is a string, so we might be able to preserve harmonics if interval is a string as well
const interval = !isNaN(Number(intervalOrSemitones))
? Interval.fromSemitones(intervalOrSemitones)
: String(intervalOrSemitones);
// TODO: move simplify to player to preserve enharmonics
// tone.js doesn't understand multiple sharps flats e.g. F##3 has to be turned into G3
// TODO: check if this is still relevant..
const targetNote = Note.simplify(Note.transpose(note, interval));
if (typeof hap.value === 'object') {
return hap.withValue(() => ({ ...hap.value, note: targetNote }));
}
return hap.withValue(() => targetNote);
});
});
// example: transpose(3).late(0.2) will be equivalent to compose(transpose(3), late(0.2)) // example: transpose(3).late(0.2) will be equivalent to compose(transpose(3), late(0.2))
// e.g. `stack(c3).superimpose(transpose(slowcat(7, 5)))` or // e.g. `stack(c3).superimpose(transpose(slowcat(7, 5)))` or