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Tidy parser, implement polymeters (#336)

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* rename parser stuff to be more explicit and fit with tidal concepts. qualify all strudel function calls
* Add {,}%n polymeter support, with a few tests
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Alex McLean 2022-12-31 21:42:49 +00:00 • committed by GitHub
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4 changed files with 549 additions and 439 deletions
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10
packages/mini/test/mini.test.mjs
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@ -36,6 +36,16 @@ describe('mini', () => {
expect(minS('c3 [d3 e3]')).toEqual(['c3: 0 - 1/2', 'd3: 1/2 - 3/4', 'e3: 3/4 - 1']);
expect(minS('c3 [d3 [e3 f3]]')).toEqual(['c3: 0 - 1/2', 'd3: 1/2 - 3/4', 'e3: 3/4 - 7/8', 'f3: 7/8 - 1']);
});
it('supports curly brackets', () => {
expect(minS('{a b, c d e}*3')).toEqual(minS('[a b a b a b, c d e c d e]'));
expect(minS('{a b, c [d e] f}*3')).toEqual(minS('[a b a b a b, c [d e] f c [d e] f]'));
expect(minS('{a b c, d e}*2')).toEqual(minS('[a b c a b c, d e d e d e]'));
});
it('supports curly brackets with explicit step-per-cycle', () => {
expect(minS('{a b, c d e}%3')).toEqual(minS('[a b a, c d e]'));
expect(minS('{a b, c d e}%5')).toEqual(minS('[a b a b a, c d e c d]'));
expect(minS('{a b, c d e}%6')).toEqual(minS('[a b a b a b, c d e c d e]'));
});
it('supports commas', () => {
expect(minS('c3,e3,g3')).toEqual(['c3: 0 - 1', 'e3: 0 - 1', 'g3: 0 - 1']);
expect(minS('[c3,e3,g3] f3')).toEqual(['c3: 0 - 1/2', 'e3: 0 - 1/2', 'g3: 0 - 1/2', 'f3: 1/2 - 1']);