hacklab/strudel
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

- feat: add freq support to gm soundfonts

Browse source 
- refactor: toMidi -> noteToMidi
- refactor: fromMidi -> midiToFreq
This commit is contained in:
Felix Roos 2023-03-23 10:18:24 +01:00
parent 13133583ca
commit ba35a81e9b
10 changed files with 59 additions and 50 deletions
Download patch file Download diff file Expand all files Collapse all files

34
packages/core/test/util.test.mjs
View file

@ -8,8 +8,8 @@ import { pure } from '../pattern.mjs';
import {
isNote,
tokenizeNote,
toMidi,
fromMidi,
noteToMidi,
midiToFreq,
freqToMidi,
_mod,
compose,
@ -75,27 +75,27 @@ describe('isNote', () => {
expect(tokenizeNote(123)).toStrictEqual([]);
});
});
describe('toMidi', () => {
describe('noteToMidi', () => {
it('should turn notes into midi', () => {
expect(toMidi('A4')).toEqual(69);
expect(toMidi('C4')).toEqual(60);
expect(toMidi('Db4')).toEqual(61);
expect(toMidi('C3')).toEqual(48);
expect(toMidi('Cb3')).toEqual(47);
expect(toMidi('Cbb3')).toEqual(46);
expect(toMidi('C#3')).toEqual(49);
expect(toMidi('C#3')).toEqual(49);
expect(toMidi('C##3')).toEqual(50);
expect(noteToMidi('A4')).toEqual(69);
expect(noteToMidi('C4')).toEqual(60);
expect(noteToMidi('Db4')).toEqual(61);
expect(noteToMidi('C3')).toEqual(48);
expect(noteToMidi('Cb3')).toEqual(47);
expect(noteToMidi('Cbb3')).toEqual(46);
expect(noteToMidi('C#3')).toEqual(49);
expect(noteToMidi('C#3')).toEqual(49);
expect(noteToMidi('C##3')).toEqual(50);
});
it('should throw an error when given a non-note', () => {
expect(() => toMidi('Q')).toThrowError(`not a note: "Q"`);
expect(() => toMidi('Z')).toThrowError(`not a note: "Z"`);
expect(() => noteToMidi('Q')).toThrowError(`not a note: "Q"`);
expect(() => noteToMidi('Z')).toThrowError(`not a note: "Z"`);
});
});
describe('fromMidi', () => {
describe('midiToFreq', () => {
it('should turn midi into frequency', () => {
expect(fromMidi(69)).toEqual(440);
expect(fromMidi(57)).toEqual(220);
expect(midiToFreq(69)).toEqual(440);
expect(midiToFreq(57)).toEqual(220);
});
});
describe('freqToMidi', () => {