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fix uppercase notes

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This commit is contained in:
Felix Roos 2022-02-27 21:52:19 +01:00
parent 420a955314
commit ee2d32339f
1 changed files with 1 additions and 1 deletions
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2
util.mjs
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@ -2,7 +2,7 @@ export const isNote = (name) => /^[a-gA-G][#b]?[0-9]$/.test(name);
export const tokenizeNote = (note) => note.match(/^([a-gA-G])([#b])?([0-9])?$/).slice(1);
export const toMidi = (note) => {
const [pc, acc, oct] = tokenizeNote(note);
const chroma = { c: 0, d: 2, e: 4, f: 5, g: 7, a: 9, b: 11 }[pc];
const chroma = { c: 0, d: 2, e: 4, f: 5, g: 7, a: 9, b: 11 }[pc.toLowerCase()];
const offset = acc?.split('').reduce((o, char) => o + { '#': 1, b: -1 }[char], 0) || 0;
return (Number(oct) + 1) * 12 + chroma + offset;
};