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alex 2025-06-27 22:56:19 +01:00
parent f44caf9096
commit 27073d6c17
2 changed files with 34 additions and 26 deletions
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25
packages/core/pattern.mjs
View file

@ -1842,9 +1842,9 @@ export const { fastGap, fastgap } = register(['fastGap', 'fastgap'], function (f
const newWhole = !hap.whole const newWhole = !hap.whole
? undefined ? undefined
: new TimeSpan( : new TimeSpan(
newPart.begin.sub(begin.sub(hap.whole.begin).div(factor)), newPart.begin.sub(begin.sub(hap.whole.begin).div(factor)),
newPart.end.add(hap.whole.end.sub(end).div(factor)), newPart.end.add(hap.whole.end.sub(end).div(factor)),
); );
return new Hap(newWhole, newPart, hap.value, hap.context); return new Hap(newWhole, newPart, hap.value, hap.context);
}; };
return pat.withQuerySpanMaybe(qf).withHap(ef).splitQueries(); return pat.withQuerySpanMaybe(qf).withHap(ef).splitQueries();
@ -2528,10 +2528,9 @@ export const { fastchunk, fastChunk } = register(
* sound("bd sd ht lt bd - cp lt").chunkInto(4, hurry(2)) * sound("bd sd ht lt bd - cp lt").chunkInto(4, hurry(2))
* .bank("tr909") * .bank("tr909")
*/ */
export const { chunkinto, chunkInto } = register(['chunkinto', 'chunkInto'], export const { chunkinto, chunkInto } = register(['chunkinto', 'chunkInto'], function (n, func, pat) {
function (n, func, pat) { return pat.into(fastcat(true, ...Array(n - 1).fill(false))._iterback(n), func);
return pat.into(fastcat(true, ...Array(n - 1).fill(false))._iterback(n), func); });
});
/** /**
* Like `chunkInto`, but moves backwards through the chunks. * Like `chunkInto`, but moves backwards through the chunks.
@ -2542,10 +2541,14 @@ export const { chunkinto, chunkInto } = register(['chunkinto', 'chunkInto'],
* sound("bd sd ht lt bd - cp lt").chunkInto(4, hurry(2)) * sound("bd sd ht lt bd - cp lt").chunkInto(4, hurry(2))
* .bank("tr909") * .bank("tr909")
*/ */
export const { chunkbackinto, chunkBackInto } = register(['chunkbackinto', 'chunkBackInto'], export const { chunkbackinto, chunkBackInto } = register(['chunkbackinto', 'chunkBackInto'], function (n, func, pat) {
function (n, func, pat) { return pat.into(
return pat.into(fastcat(true, ...Array(n - 1).fill(false))._iter(n)._early(1), func); fastcat(true, ...Array(n - 1).fill(false))
}); ._iter(n)
._early(1),
func,
);
});
// TODO - redefine elsewhere in terms of mask // TODO - redefine elsewhere in terms of mask
export const bypass = register( export const bypass = register(

35
packages/core/test/pattern.test.mjs
View file

@ -1274,31 +1274,36 @@ describe('Pattern', () => {
describe('unjoin', () => { describe('unjoin', () => {
it('destructures a pattern into subcycles', () => { it('destructures a pattern into subcycles', () => {
sameFirst( sameFirst(
fastcat('a', 'b', 'c', 'd').unjoin(fastcat(true, fastcat(true, true))).fmap(fast(2)).join(), fastcat('a', 'b', 'c', 'd')
fastcat('a', 'b', 'a', 'b', 'c', 'c', 'd', 'd') .unjoin(fastcat(true, fastcat(true, true)))
) .fmap(fast(2))
}) .join(),
fastcat('a', 'b', 'a', 'b', 'c', 'c', 'd', 'd'),
);
});
}); });
describe('into', () => { describe('into', () => {
it('applies a function to subcycles of a pattern', () => { it('applies a function to subcycles of a pattern', () => {
sameFirst( sameFirst(
fastcat('a', 'b', 'c', 'd').into(fastcat(fastcat('true', 'true'), 'true'), fast(2)), fastcat('a', 'b', 'c', 'd').into(fastcat(fastcat('true', 'true'), 'true'), fast(2)),
fastcat('a', 'a', 'b', 'b', 'c', 'd', 'c', 'd') fastcat('a', 'a', 'b', 'b', 'c', 'd', 'c', 'd'),
) );
}) });
}); });
describe('chunkinto', () => { describe('chunkinto', () => {
it('chunks into subcycles', () => { it('chunks into subcycles', () => {
sameFirst(fastcat('a', 'b', 'c').chunkInto(3, fast(2)).fast(3), sameFirst(
fastcat(fastcat('a', 'a'), 'b', 'c', 'a', fastcat('b', 'b'), 'c', 'a', 'b', fastcat('c', 'c')) fastcat('a', 'b', 'c').chunkInto(3, fast(2)).fast(3),
) fastcat(fastcat('a', 'a'), 'b', 'c', 'a', fastcat('b', 'b'), 'c', 'a', 'b', fastcat('c', 'c')),
}) );
});
}); });
describe('chunkbackinto', () => { describe('chunkbackinto', () => {
it('chunks into subcycles backwards', () => { it('chunks into subcycles backwards', () => {
sameFirst(fastcat('a', 'b', 'c').chunkBackInto(3, fast(2)).fast(3), sameFirst(
fastcat('a', 'b', fastcat('c', 'c'), 'a', fastcat('b', 'b'), 'c', fastcat('a', 'a'), 'b', 'c') fastcat('a', 'b', 'c').chunkBackInto(3, fast(2)).fast(3),
) fastcat('a', 'b', fastcat('c', 'c'), 'a', fastcat('b', 'b'), 'c', fastcat('a', 'a'), 'b', 'c'),
}) );
});
}); });
}); });