Function update

web-build/src/editor.ts:302–306

(decos, tr)

const refHighlightField = StateField.define<DecorationSet>({
  create: () => Decoration.none,
  update(decos, tr) {
    const effect = tr.effects.find((e) => e.is(setRefHighlights));
    if (effect) return effect.value;
    return tr.docChanged || tr.selection ? Decoration.none : decos;
  },
  provide: (f) => EditorView.decorations.from(f),
});