diff --git a/packages/tonal/tonal.mjs b/packages/tonal/tonal.mjs index 7cb987394..a2418c68a 100644 --- a/packages/tonal/tonal.mjs +++ b/packages/tonal/tonal.mjs @@ -143,6 +143,7 @@ export const transpose = register(['transpose', 'trans'], function transposeFn(i * @name scaleTranspose * @param {offset} offset number of steps inside the scale * @returns Pattern + * @synonyms scaleTrans, strans * @example * "-8 [2,4,6]" * .scale('C4 bebop major') @@ -150,22 +151,25 @@ export const transpose = register(['transpose', 'trans'], function transposeFn(i * .note() */ -export const scaleTranspose = register('scaleTranspose', function (offset /* : number | string */, pat) { - return pat.withHap((hap) => { - if (!hap.context.scale) { - throw new Error('can only use scaleTranspose after .scale'); - } - if (typeof hap.value === 'object') - return hap.withValue(() => ({ - ...hap.value, - note: scaleOffset(hap.context.scale, Number(offset), hap.value.note), - })); - if (typeof hap.value !== 'string') { - throw new Error('can only use scaleTranspose with notes'); - } - return hap.withValue(() => scaleOffset(hap.context.scale, Number(offset), hap.value)); - }); -}); +export const scaleTranspose = register( + ['scaleTranspose', 'scaleTrans', 'strans'], + function (offset /* : number | string */, pat) { + return pat.withHap((hap) => { + if (!hap.context.scale) { + throw new Error('can only use scaleTranspose after .scale'); + } + if (typeof hap.value === 'object') + return hap.withValue(() => ({ + ...hap.value, + note: scaleOffset(hap.context.scale, Number(offset), hap.value.note), + })); + if (typeof hap.value !== 'string') { + 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}.