@typedin/music-utilities/dist/scale-builders/endOn.js

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

import { isInScale, isNoteHigher } from "../helpers/index.js";
export function endOn(scale, end) {
    const result = [];
    while (!isInScale(scale, end) && scale.length && end) {
        const lastPart = scale.slice(-7).map((degree) => ({
            ...degree,
            order: degree.order + 7,
            octave: degree.octave + 1,
        }));
        scale = scale.concat(lastPart);
    }
    for (let i = 0; i < scale.length; i++) {
        if (isNoteHigher(end, scale[i])) {
            break;
        }
        result.push(scale[i]);
    }
    return result;
}
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