@typedin/music-utilities/dist/interval-builders/Third.js

A set of resources and modules I use to develop music applications.

import { getAlterationForAugmentedInterval, getAlterationForDiminishedInterval, getAlterationForMajorInterval, getAlterationForMinorInterval, } from "./getAlteration.js";
import { getName } from "./getName.js";
import { getNoteOctave } from "./getNoteOctave.js";
const specialcases = {
    up: ["D", "E", "A", "B"],
    down: ["C", "F", "G", "D"],
};
const notesThatMakeOctaveChange = {
    up: ["A", "B"],
    down: ["C", "D"],
};
const semitones = {
    normal: {
        up: 4,
        down: 8,
    },
    special: {
        up: 3,
        down: 9,
    },
};
function DiminishedThird(note, direction = "up") {
    return {
        name: getName(note, direction, semitones, specialcases),
        alteration: getAlterationForDiminishedInterval(note, direction, specialcases),
        octave: getNoteOctave(note, notesThatMakeOctaveChange[direction], direction),
    };
}
function MinorThird(note, direction = "up") {
    return {
        name: getName(note, direction, semitones, specialcases),
        alteration: getAlterationForMinorInterval(note, direction, specialcases),
        octave: getNoteOctave(note, notesThatMakeOctaveChange[direction], direction),
    };
}
function MajorThird(note, direction = "up") {
    return {
        name: getName(note, direction, semitones, specialcases),
        alteration: getAlterationForMajorInterval(note, direction, specialcases),
        octave: getNoteOctave(note, notesThatMakeOctaveChange[direction], direction),
    };
}
function AugmentedThird(note, direction = "up") {
    return {
        name: getName(note, direction, semitones, specialcases),
        alteration: getAlterationForAugmentedInterval(note, direction, specialcases),
        octave: getNoteOctave(note, notesThatMakeOctaveChange[direction], direction),
    };
}
export { DiminishedThird, MinorThird, MajorThird, AugmentedThird };
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