Merge pull request #196 from stringsync/beam

Do not render incomplete beams
stringsync · Jan 4, 2024 · 6b7b236 · 6b7b236
2 parents 948a9d3 + 4a09671
commit 6b7b236
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/src/rendering/beam.ts b/src/rendering/beam.ts
@@ -8,7 +8,7 @@ import { SpannerMap } from './spannermap';
 export type BeamRendering = {
   type: 'beam';
   vexflow: {
-    beam: vexflow.Beam;
+    beam: vexflow.Beam | null;
   };
 };
 
@@ -81,7 +81,7 @@ export class Beam {
   /** Renders the beam. */
   render(): BeamRendering {
     const vfStemmableNotes = this.fragments.map((fragment) => fragment.vexflow.stemmableNote);
-    const beam = new vexflow.Beam(vfStemmableNotes);
+    const beam = vfStemmableNotes.length > 1 ? new vexflow.Beam(vfStemmableNotes) : null;
 
     return {
       type: 'beam',

diff --git a/src/rendering/score.ts b/src/rendering/score.ts
@@ -162,7 +162,7 @@ export class Score {
 
     // Draw vexflow.Beam elements.
     spannersRendering.beams.forEach((beam) => {
-      beam.vexflow.beam.setContext(vfContext).draw();
+      beam.vexflow.beam?.setContext(vfContext).draw();
     });
 
     // Draw vexflow.StaveTie elements.