Function safeReject

sdk/js/src/send-rpc-request.ts:17–22

(error: Error)

    let isCompleted = false
    
    const safeReject = (error: Error) => {
      if (!isCompleted) {
        isCompleted = true
        reject(error)
      }
    }
    
    const safeResolve = (result: T) => {
      if (!isCompleted) {