message: Add yoga existence check to worker
  Closes
diff: @@ -38,7 +38,7 @@ const transformCache = cache => {
  };
  export const yogaWorker = yoga => message => {
  - if (!message.value || message.value.type !== 'calculateLayout') {
  + if (!message.value || message.value.type !== 'calculateLayout' || !yoga) {
  return;
  }
  