@stringsync/vexml/dist/esm/parsing/musicxml/jumpgroup.js

MusicXML to Vexflow

export class JumpGroup {
    config;
    log;
    jumps;
    constructor(config, log, jumps) {
        this.config = config;
        this.log = log;
        this.jumps = jumps;
    }
    static create(config, log, measureIndex, musicXML) {
        const barlines = musicXML.scorePartwise
            .getParts()
            .map((part) => part.getMeasures())
            .map((measures) => measures[measureIndex])
            .flatMap((measure) => measure.getBarlines());
        const jumps = new Array();
        const leftBarlines = barlines.filter((barline) => barline.getRepeatDirection() === 'forward' || barline.getLocation() === 'left');
        const rightBarlines = barlines.filter((barline) => barline.getRepeatDirection() === 'backward' || barline.getLocation() === 'right');
        if (leftBarlines.some((barline) => barline.isRepeat())) {
            jumps.push({ type: 'repeatstart' });
        }
        const leftEnding = leftBarlines.find((barline) => barline.isEnding());
        const rightEnding = rightBarlines.find((barline) => barline.isEnding());
        const repeatEnd = rightBarlines.find((barline) => barline.isRepeat());
        if (leftEnding || rightEnding) {
            const hasStart = leftEnding?.getEndingType() === 'start';
            const hasStop = rightEnding?.getEndingType() === 'stop';
            let endingBracketType = 'mid';
            if (hasStart && hasStop) {
                endingBracketType = 'both';
            }
            else if (hasStart) {
                endingBracketType = 'begin';
            }
            else if (hasStop) {
                endingBracketType = 'end';
            }
            const label = leftEnding?.getEndingText() ||
                rightEnding?.getEndingText() ||
                leftEnding?.getEndingNumber() ||
                rightEnding?.getEndingNumber() ||
                '';
            let times = 0;
            if (repeatEnd) {
                times = repeatEnd.getRepeatTimes() ?? 1;
            }
            jumps.push({ type: 'repeatending', times, label, endingBracketType });
        }
        else if (repeatEnd) {
            jumps.push({ type: 'repeatend', times: repeatEnd.getRepeatTimes() ?? 1 });
        }
        return new JumpGroup(config, log, jumps);
    }
    getStartBarlineStyle() {
        return this.jumps.some((jump) => jump.type === 'repeatstart') ? 'repeatstart' : null;
    }
    getEndBarlineStyle() {
        return this.jumps.some((jump) => jump.type === 'repeatend' || (jump.type === 'repeatending' && jump.times > 0))
            ? 'repeatend'
            : null;
    }
    parse() {
        return this.jumps;
    }
}