@stringsync/vexml/dist/esm/rendering/renderregistry.js

MusicXML to Vexflow

import * as util from '../util';
/** RenderRegistry tracks associations between leaf render objects with spanner IDs. */
export class RenderRegistry {
    store;
    constructor(store) {
        this.store = store;
    }
    static create(systemRenders) {
        const store = new Map();
        const renders = systemRenders
            .flatMap((system) => system.measureRenders.flatMap((m) => m.fragmentRenders))
            .flatMap((f) => f.partRenders)
            .flatMap((p) => p.staveRenders)
            .flatMap((s) => s.voiceRenders)
            .flatMap((v) => v.entryRenders);
        for (const render of renders) {
            const ids = RenderRegistry.ids(render);
            for (const id of ids) {
                const renders = store.get(id) ?? [];
                util.assertDefined(renders);
                renders.push(render);
                store.set(id, renders);
            }
        }
        return new RenderRegistry(store);
    }
    static ids(render) {
        const ids = new Array();
        function collect(o) {
            if (Array.isArray(o)) {
                ids.push(...o);
            }
            else if (o) {
                ids.push(o);
            }
        }
        if (render.type === 'note') {
            collect(render.curveIds);
            collect(render.graceCurves.map((c) => c.curveId));
            collect(render.beamId);
            collect(render.wedgeId);
            collect(render.tupletIds);
            collect(render.pedalMark?.pedalId);
            collect(render.octaveShiftId);
            collect(render.vibratoIds);
        }
        if (render.type === 'rest') {
            collect(render.tupletIds);
            collect(render.beamId);
        }
        return util.unique(ids);
    }
    get(id) {
        return this.store.get(id) ?? [];
    }
}