text: // Default to a dummy "batch" implementation that just runs the callback
  // 批处理
  function defaultNoopBatch(callback) {
    callback()
  }
  
  let batch = defaultNoopBatch
  
  // Allow injecting another batching function later
  export const setBatch = newBatch => (batch = newBatch)
  
  // Supply a getter just to skip dealing with ESM bindings
  export const getBatch = () => batch
  