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Merge pull request 'Add strans and scaleTrans as synonyms of scaleTranspose' (#1488) from TodePond/strudel:lu/strans into main

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Reviewed-on: https://codeberg.org/uzu/strudel/pulls/1488
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daslyfe 2025-08-03 18:34:12 +02:00
commit 03090e399c
1 changed files with 20 additions and 16 deletions
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36
packages/tonal/tonal.mjs
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@ -143,6 +143,7 @@ export const transpose = register(['transpose', 'trans'], function transposeFn(i
* @name scaleTranspose * @name scaleTranspose
* @param {offset} offset number of steps inside the scale * @param {offset} offset number of steps inside the scale
* @returns Pattern * @returns Pattern
* @synonyms scaleTrans, strans
* @example * @example
* "-8 [2,4,6]" * "-8 [2,4,6]"
* .scale('C4 bebop major') * .scale('C4 bebop major')
@ -150,22 +151,25 @@ export const transpose = register(['transpose', 'trans'], function transposeFn(i
* .note() * .note()
*/ */
export const scaleTranspose = register('scaleTranspose', function (offset /* : number | string */, pat) { export const scaleTranspose = register(
return pat.withHap((hap) => { ['scaleTranspose', 'scaleTrans', 'strans'],
if (!hap.context.scale) { function (offset /* : number | string */, pat) {
throw new Error('can only use scaleTranspose after .scale'); return pat.withHap((hap) => {
} if (!hap.context.scale) {
if (typeof hap.value === 'object') throw new Error('can only use scaleTranspose after .scale');
return hap.withValue(() => ({ }
...hap.value, if (typeof hap.value === 'object')
note: scaleOffset(hap.context.scale, Number(offset), hap.value.note), return hap.withValue(() => ({
})); ...hap.value,
if (typeof hap.value !== 'string') { note: scaleOffset(hap.context.scale, Number(offset), hap.value.note),
throw new Error('can only use scaleTranspose with notes'); }));
} if (typeof hap.value !== 'string') {
return hap.withValue(() => scaleOffset(hap.context.scale, Number(offset), hap.value)); throw new Error('can only use scaleTranspose with notes');
}); }
}); return hap.withValue(() => scaleOffset(hap.context.scale, Number(offset), hap.value));
});
},
);
/** /**
* Turns numbers into notes in the scale (zero indexed). Also sets scale for other scale operations, like {@link Pattern#scaleTranspose}. * Turns numbers into notes in the scale (zero indexed). Also sets scale for other scale operations, like {@link Pattern#scaleTranspose}.