Constructors
constructor
Parameters
- workerOption: WorkerOption
Methods
abortWorker
abortWorker(workerId: string): Promise<ProcessMessage<any>> Returns Promise<ProcessMessage<any>>
clearWorker
clearWorker(workerId: string): void
command
command( command: CommandMessage, callback?: WorkerCallback, transfers?: Transferable[],): Promise<void> Parameters
- command: CommandMessage
Optionalcallback: WorkerCallbackOptionaltransfers: Transferable[]
Returns Promise<void>
createWorker
createWorker( type: WorkerType, onComplete: WorkerCallback, onError: WorkerCallback, onProgress: WorkerCallback,): Promise<ProcessMessage<any>> Parameters
- type: WorkerType
- onComplete: WorkerCallback
- onError: WorkerCallback
- onProgress: WorkerCallback
Returns Promise<ProcessMessage<any>>
getWorkersByType
getWorkersByType(workerType: WorkerType): Promise<WorkerState<any>[]> Returns Promise<WorkerState<any>[]>
getWorkerState
getWorkerState(workerId: string): undefined | WorkerState<any> Returns undefined | WorkerState<any>
StaticskipMessage
skipMessage(message: ProcessMessage): void
管理主线程发起的worker任务，worker文件使用内联代码动态生成，以及在主线程中处理消息响应，具体的流程：
1、动态创建worker文件，用于和后台服务通信，比如下载和上传文件、同步状态，获取列表信息
2、worker响应消息分为主动消息和被动消息，主动消息是响应主线程发送的命令，被动消息是worker通知给主线程当前的进度和状态等信息
3、每个命令都有唯一ID，收到worker响应时，能够找到原始的命令，同时要考虑几种异常情况： 1、如果页面刷新了，worker线程会终止，同时未处理的消息会丢失 2、Blob Worker 默认无法使用 import 语句