mirror of
https://gitee.com/openharmony/interface_sdk-js
synced 2024-11-27 17:31:12 +00:00
a8afd6a2ca
Signed-off-by: wangzhaoyong <wangzhaoyong@huawei.com> Change-Id: I8c234b25d0b8fef4bc4c42357ef5201461f12c2e
1879 lines
65 KiB
TypeScript
1879 lines
65 KiB
TypeScript
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @file
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* @kit ArkTS
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*/
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/**
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* @typedef WorkerOptions
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* Provides options that can be set for the worker to create.
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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*/
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/**
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* @typedef WorkerOptions
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* Provides options that can be set for the worker to create.
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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/**
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* @typedef WorkerOptions
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* Provides options that can be set for the worker to create.
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @atomicservice
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* @since 11
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*/
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export interface WorkerOptions {
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/**
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* Mode in which the worker executes the script.
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*
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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*/
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/**
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* Mode in which the worker executes the script.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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/**
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* Mode in which the worker executes the script.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @atomicservice
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* @since 11
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*/
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type?: 'classic' | 'module';
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/**
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* Name of the worker.
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*
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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*/
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/**
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* Name of the worker.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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/**
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* Name of the worker.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @atomicservice
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* @since 11
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*/
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name?: string;
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/**
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* Whether the worker is shared.
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*
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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*/
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/**
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* Whether the worker is shared.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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shared?: boolean;
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}
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/**
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* @typedef Event
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* Defines the event.
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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*/
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/**
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* @typedef Event
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* Defines the event.
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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/**
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* @typedef Event
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* Defines the event.
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @atomicservice
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* @since 11
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*/
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export interface Event {
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/**
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* Type of the Event.
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*
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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*/
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/**
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* Type of the Event.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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readonly type: string;
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/**
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* Timestamp(accurate to millisecond) when the event is created.
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*
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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*/
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/**
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* Timestamp(accurate to millisecond) when the event is created.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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readonly timeStamp: number;
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}
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/**
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* @typedef ErrorEvent
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* Provides detailed information about the exception occurred during worker execution.
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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*/
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/**
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* @typedef ErrorEvent
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* Provides detailed information about the exception occurred during worker execution.
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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/**
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* @typedef ErrorEvent
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* Provides detailed information about the exception occurred during worker execution.
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @atomicservice
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* @since 11
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*/
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export interface ErrorEvent extends Event {
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/**
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* Information about the exception.
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*
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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*/
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/**
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* Information about the exception.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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/**
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* Information about the exception.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @atomicservice
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* @since 11
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*/
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readonly message: string;
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/**
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* File where the exception is located.
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*
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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*/
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/**
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* File where the exception is located.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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/**
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* File where the exception is located.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @atomicservice
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* @since 11
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*/
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readonly filename: string;
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/**
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* Number of the line where the exception is located.
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*
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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*/
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/**
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* Number of the line where the exception is located.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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/**
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* Number of the line where the exception is located.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @atomicservice
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* @since 11
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*/
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readonly lineno: number;
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/**
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* Number of the column where the exception is located.
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*
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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*/
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/**
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* Number of the column where the exception is located.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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/**
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* Number of the column where the exception is located.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @atomicservice
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* @since 11
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*/
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readonly colno: number;
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/**
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* Type of the exception.
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*
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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*/
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/**
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* Type of the exception.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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/**
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* Type of the exception.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @atomicservice
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* @since 11
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*/
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readonly error: Object;
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}
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/**
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* @typedef MessageEvent
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* Holds the data transferred between worker threads.
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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*/
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/**
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* @typedef MessageEvent
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* Holds the data transferred between worker threads.
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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export interface MessageEvent<T> extends Event {
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/**
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* Data transferred when an exception occurs.
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*
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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*/
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/**
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* Data transferred when an exception occurs.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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readonly data: T;
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}
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/**
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* @typedef MessageEvents
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* Saves the data transferred between worker thread and host thread.
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* @syscap SystemCapability.Utils.Lang
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* @since 9
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*/
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/**
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* @typedef MessageEvents
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* Saves the data transferred between worker thread and host thread.
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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/**
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* @typedef MessageEvents
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* Saves the data transferred between worker thread and host thread.
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @atomicservice
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* @since 11
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*/
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export interface MessageEvents extends Event {
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/**
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* Data transferred when an exception occurs.
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*
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* @syscap SystemCapability.Utils.Lang
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* @since 9
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*/
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/**
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* Data transferred when an exception occurs.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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/**
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* Data transferred when an exception occurs.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @atomicservice
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* @since 11
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*/
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readonly data;
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}
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/**
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* @typedef PostMessageOptions
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* Specifies the object whose ownership need to be transferred during data transfer.
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* The object must be ArrayBuffer.
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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*/
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/**
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* @typedef PostMessageOptions
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* Specifies the object whose ownership need to be transferred during data transfer.
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* The object must be ArrayBuffer.
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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/**
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* @typedef PostMessageOptions
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* Specifies the object whose ownership need to be transferred during data transfer.
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* The object must be ArrayBuffer.
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @atomicservice
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* @since 11
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*/
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export interface PostMessageOptions {
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/**
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* ArrayBuffer array used to transfer the ownership.
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*
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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*/
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/**
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* ArrayBuffer array used to transfer the ownership.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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/**
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* ArrayBuffer array used to transfer the ownership.
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @atomicservice
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* @since 11
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*/
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transfer?: Object[];
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}
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/**
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* @typedef EventListener
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* Implements event listening.
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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* @deprecated since 9
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* @useinstead ohos.worker.WorkerEventListener
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*/
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export interface EventListener {
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/**
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* Specifies the callback to invoke.
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*
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* @param { Event } evt - evt evt Event class for the callback to invoke.
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* @returns { void | Promise<void> }
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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* @deprecated since 9
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* @useinstead ohos.worker.WorkerEventListener.(event: Event)
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*/
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(evt: Event): void | Promise<void>;
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}
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/**
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* @typedef WorkerEventListener
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* Implements event listening.
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* @syscap SystemCapability.Utils.Lang
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* @since 9
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*/
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/**
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* @typedef WorkerEventListener
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* Implements event listening.
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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export interface WorkerEventListener {
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/**
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* Specifies the callback function to be invoked.
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*
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* @param { Event } event - event Event class for the callback to invoke.
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* @returns { void | Promise<void> }
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* @throws { BusinessError } 401 - if the input parameters are invalid.
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* @throws { BusinessError } 10200004 - Worker instance is not running.
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* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
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* @syscap SystemCapability.Utils.Lang
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* @since 9
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*/
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/**
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* Specifies the callback function to be invoked.
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*
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* @param { Event } event - event Event class for the callback to invoke.
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* @returns { void | Promise<void> }
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* @throws { BusinessError } 401 - if the input parameters are invalid.
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* @throws { BusinessError } 10200004 - Worker instance is not running.
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* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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(event: Event): void | Promise<void>;
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}
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/**
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* Type of message, only "message" and "messageerror".
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*
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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*/
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/**
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* Type of message, only "message" and "messageerror".
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*
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* @syscap SystemCapability.Utils.Lang
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* @crossplatform
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* @since 10
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*/
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type MessageType = 'message' | 'messageerror';
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/**
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* @typedef EventTarget
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* Specific event features.
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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* @deprecated since 9
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* @useinstead ohos.worker.WorkerEventTarget
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*/
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export interface EventTarget {
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/**
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* Adds an event listener to the worker.
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*
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* @param { string } type - type Type of the event to listen for.
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* @param { EventListener } listener - listener Callback to invoke when an event of the specified type occurs.
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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* @deprecated since 9
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* @useinstead ohos.worker.WorkerEventTarget.addEventListener
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*/
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addEventListener(type: string, listener: EventListener): void;
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/**
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* Dispatches the event defined for the worker.
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*
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* @param { Event } event - event Event to dispatch.
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* @returns { boolean }
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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* @deprecated since 9
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* @useinstead ohos.worker.WorkerEventTarget.dispatchEvent
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*/
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dispatchEvent(event: Event): boolean;
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/**
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* Removes an event defined for the worker.
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*
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* @param { string } type - type Type of the event for which the event listener is removed.
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* @param { EventListener } callback - callback Callback of the event listener to remove.
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* @syscap SystemCapability.Utils.Lang
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* @since 7
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* @deprecated since 9
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* @useinstead ohos.worker.WorkerEventTarget.removeEventListener
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*/
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removeEventListener(type: string, callback?: EventListener): void;
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/**
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* Removes all event listeners for the worker.
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*
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* @syscap SystemCapability.Utils.Lang
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|
* @since 7
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* @deprecated since 9
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* @useinstead ohos.worker.WorkerEventTarget.removeAllListener
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*/
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removeAllListener(): void;
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}
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|
|
/**
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* @typedef WorkerEventTarget
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* Specific worker event features.
|
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* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* @typedef WorkerEventTarget
|
|
* Specific worker event features.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* @typedef WorkerEventTarget
|
|
* Specific worker event features.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
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*/
|
|
export interface WorkerEventTarget {
|
|
/**
|
|
* Adds an event listener to the worker.
|
|
*
|
|
* @param { string } type - type Type of the event to listen for.
|
|
* @param { WorkerEventListener } listener - listener Callback to invoke when an event of the specified type occurs.
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|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Adds an event listener to the worker.
|
|
*
|
|
* @param { string } type - type Type of the event to listen for.
|
|
* @param { WorkerEventListener } listener - listener Callback to invoke when an event of the specified type occurs.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* Adds an event listener to the worker.
|
|
*
|
|
* @param { string } type - type Type of the event to listen for.
|
|
* @param { WorkerEventListener } listener - listener Callback to invoke when an event of the specified type occurs.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 11
|
|
*/
|
|
addEventListener(type: string, listener: WorkerEventListener): void;
|
|
/**
|
|
* Handle the event defined for the worker.
|
|
*
|
|
* @param { Event } event - event Event to dispatch.
|
|
* @returns { boolean }
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Handle the event defined for the worker.
|
|
*
|
|
* @param { Event } event - event Event to dispatch.
|
|
* @returns { boolean }
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
dispatchEvent(event: Event): boolean;
|
|
/**
|
|
* Remove an event defined for the worker.
|
|
*
|
|
* @param { string } type - type Type of the event for which the event listener is cancelled.
|
|
* @param { WorkerEventListener } [callback] - callback Callback of the event listener to remove.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Remove an event defined for the worker.
|
|
*
|
|
* @param { string } type - type Type of the event for which the event listener is cancelled.
|
|
* @param { WorkerEventListener } [callback] - callback Callback of the event listener to remove.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
removeEventListener(type: string, callback?: WorkerEventListener): void;
|
|
/**
|
|
* Remove all event listeners for the worker.
|
|
*
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Remove all event listeners for the worker.
|
|
*
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
removeAllListener(): void;
|
|
}
|
|
|
|
/**
|
|
* @typedef WorkerGlobalScope
|
|
* Specifies the worker thread running environment, which is isolated from the host thread environment.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.GlobalScope
|
|
*/
|
|
declare interface WorkerGlobalScope extends EventTarget {
|
|
/**
|
|
* Worker name specified when there is a new worker.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.GlobalScope.name
|
|
*/
|
|
readonly name: string;
|
|
|
|
/**
|
|
* The onerror attribute of parentPort specifies
|
|
* the event handler to be called when an exception occurs during worker execution.
|
|
* The event handler is executed in the worker thread.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.GlobalScope.onerror
|
|
*/
|
|
onerror?: (ev: ErrorEvent) => void;
|
|
|
|
/**
|
|
* Specify the type attribute for self.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.GlobalScope.self
|
|
*/
|
|
readonly self: WorkerGlobalScope & typeof globalThis;
|
|
}
|
|
|
|
/**
|
|
* @typedef GlobalScope
|
|
* The environment Specified in which worker threads run, which is isolated from the host thread environment.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* @typedef GlobalScope
|
|
* The environment Specified in which worker threads run, which is isolated from the host thread environment.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* @typedef GlobalScope
|
|
* The environment Specified in which worker threads run, which is isolated from the host thread environment.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
declare interface GlobalScope extends WorkerEventTarget {
|
|
/**
|
|
* Name of Worker specified when there is a new worker.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Name of Worker specified when there is a new worker.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* Name of Worker specified when there is a new worker.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
readonly name: string;
|
|
|
|
/**
|
|
* The onerror attribute of parentPort specified.
|
|
* the event handler to be called when an exception occurs during worker execution.
|
|
* The event handler is executed in the worker thread.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* The onerror attribute of parentPort specified.
|
|
* the event handler to be called when an exception occurs during worker execution.
|
|
* The event handler is executed in the worker thread.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* The onerror attribute of parentPort specified.
|
|
* the event handler to be called when an exception occurs during worker execution.
|
|
* The event handler is executed in the worker thread.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
onerror?: (ev: ErrorEvent) => void;
|
|
/**
|
|
* Specify the type attribute for self.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Specify the type attribute for self.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* Specify the type attribute for self.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
readonly self: GlobalScope & typeof globalThis;
|
|
}
|
|
|
|
/**
|
|
* @typedef DedicatedWorkerGlobalScope
|
|
* Specifies the worker thread running environment, which is isolated from the host thread environment
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.ThreadWorkerGlobalScope
|
|
*/
|
|
export interface DedicatedWorkerGlobalScope extends WorkerGlobalScope {
|
|
/**
|
|
* The onmessage attribute of parentPort specifies the event handler
|
|
* to be called then the worker thread receives a message sent by
|
|
* the host thread through worker postMessage.
|
|
* The event handler is executed in the worker thread.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.ThreadWorkerGlobalScope.onmessage
|
|
*/
|
|
onmessage?: (this: DedicatedWorkerGlobalScope, ev: MessageEvent) => void;
|
|
|
|
/**
|
|
* The onmessage attribute of parentPort specifies the event handler
|
|
* to be called then the worker receives a message that cannot be deserialized.
|
|
* The event handler is executed in the worker thread.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.ThreadWorkerGlobalScope.onmessageerror
|
|
*/
|
|
onmessageerror?: (this: DedicatedWorkerGlobalScope, ev: MessageEvent) => void;
|
|
|
|
/**
|
|
* Close the worker thread to stop the worker from receiving messages
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.ThreadWorkerGlobalScope.close
|
|
*/
|
|
close(): void;
|
|
|
|
/**
|
|
* Send a message to be host thread from the worker
|
|
*
|
|
* @param { Object } messageObject - messageObject Data to be sent to the worker
|
|
* @param { Transferable[] } transfer - transfer array cannot contain null.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.ThreadWorkerGlobalScope.postMessage
|
|
*/
|
|
postMessage(messageObject: Object, transfer: Transferable[]): void;
|
|
|
|
/**
|
|
* Send a message to be host thread from the worker
|
|
*
|
|
* @param { Object } messageObject - messageObject Data to be sent to the worker
|
|
* @param { PostMessageOptions } [options] - options Option can be set for postmessage.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.ThreadWorkerGlobalScope.postMessage
|
|
*/
|
|
postMessage(messageObject: Object, options?: PostMessageOptions): void;
|
|
|
|
/**
|
|
* Send a message to host thread from the worker
|
|
*
|
|
* @param { Object } messageObject - messageObject Data to be sent to the worker
|
|
* @param { ArrayBuffer[] } transfer - transfer array cannot contain null.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
* @deprecated since 9
|
|
*/
|
|
postMessage(messageObject: Object, transfer: ArrayBuffer[]): void;
|
|
}
|
|
|
|
/**
|
|
* @typedef ThreadWorkerGlobalScope
|
|
* Specifies the thread-worker running environment, which is isolated from the host-thread environment
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* @typedef ThreadWorkerGlobalScope
|
|
* Specifies the thread-worker running environment, which is isolated from the host-thread environment
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* @typedef ThreadWorkerGlobalScope
|
|
* Specifies the thread-worker running environment, which is isolated from the host-thread environment
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
export interface ThreadWorkerGlobalScope extends GlobalScope {
|
|
/**
|
|
* The onmessage attribute of parentPort specifies the event handler
|
|
* to be called then the worker thread receives a message sent by
|
|
* the host thread through worker postMessage.
|
|
* The event handler is executed in the worker thread.
|
|
*
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* The onmessage attribute of parentPort specifies the event handler
|
|
* to be called then the worker thread receives a message sent by
|
|
* the host thread through worker postMessage.
|
|
* The event handler is executed in the worker thread.
|
|
*
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* The onmessage attribute of parentPort specifies the event handler
|
|
* to be called then the worker thread receives a message sent by
|
|
* the host thread through worker postMessage.
|
|
* The event handler is executed in the worker thread.
|
|
*
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
onmessage?: (this: ThreadWorkerGlobalScope, ev: MessageEvents) => void;
|
|
|
|
/**
|
|
* The onmessage attribute of parentPort specifies the event handler
|
|
* to be called then the worker receives a message that cannot be deserialized.
|
|
* The event handler is executed in the worker thread.
|
|
*
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* The onmessage attribute of parentPort specifies the event handler
|
|
* to be called then the worker receives a message that cannot be deserialized.
|
|
* The event handler is executed in the worker thread.
|
|
*
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* The onmessage attribute of parentPort specifies the event handler
|
|
* to be called then the worker receives a message that cannot be deserialized.
|
|
* The event handler is executed in the worker thread.
|
|
*
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
onmessageerror?: (this: ThreadWorkerGlobalScope, ev: MessageEvents) => void;
|
|
|
|
/**
|
|
* Close the worker thread to stop the worker from receiving messages
|
|
*
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Close the worker thread to stop the worker from receiving messages
|
|
*
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* Close the worker thread to stop the worker from receiving messages
|
|
*
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
close(): void;
|
|
|
|
/**
|
|
* Send a message to host thread from the worker
|
|
*
|
|
* @param { Object } messageObject - messageObject Data to be sent to the worker
|
|
* @param { ArrayBuffer[] } transfer - transfer array cannot contain null.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200006 - An exception occurred during serialization.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Send a message to host thread from the worker
|
|
*
|
|
* @param { Object } messageObject - messageObject Data to be sent to the worker
|
|
* @param { ArrayBuffer[] } transfer - transfer array cannot contain null.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200006 - An exception occurred during serialization.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* Send a message to host thread from the worker
|
|
*
|
|
* @param { Object } messageObject - messageObject Data to be sent to the worker
|
|
* @param { ArrayBuffer[] } transfer - transfer array cannot contain null.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200006 - An exception occurred during serialization.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
postMessage(messageObject: Object, transfer: ArrayBuffer[]): void;
|
|
|
|
/**
|
|
* Send a message to be host thread from the worker
|
|
*
|
|
* @param { Object } messageObject - messageObject Data to be sent to the worker
|
|
* @param { PostMessageOptions } [options] - options Option can be set for postmessage.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200006 - An exception occurred during serialization.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Send a message to be host thread from the worker
|
|
*
|
|
* @param { Object } messageObject - messageObject Data to be sent to the worker
|
|
* @param { PostMessageOptions } [options] - options Option can be set for postmessage.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200006 - An exception occurred during serialization.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* Send a message to be host thread from the worker
|
|
*
|
|
* @param { Object } messageObject - messageObject Data to be sent to the worker
|
|
* @param { PostMessageOptions } [options] - options Option can be set for postmessage.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200006 - An exception occurred during serialization.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
postMessage(messageObject: Object, options?: PostMessageOptions): void;
|
|
|
|
/**
|
|
* Send a message to the host thread from the worker thread.
|
|
* If there're sendable objects included in the message, they will be passed through references.
|
|
* Non-sendable objects are passed through serialization.
|
|
*
|
|
* @param { Object } message - Data to be sent to the worker thread.
|
|
* @param { ArrayBuffer[] } [transfer] - ArrayBuffer instance that can be transferred.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200006 - An exception occurred during serialization.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 12
|
|
*/
|
|
postMessageWithSharedSendable(message: Object, transfer?: ArrayBuffer[]): void;
|
|
|
|
/**
|
|
* Send a global call on registered globalCallObject on host side and return the result synchronously
|
|
*
|
|
* @param { string } instanceName - the exact key used in registration
|
|
* @param { string } methodName - a string which is same to the method called on globalCallObject.
|
|
* @param { number } timeout - the specific milliseconds that will wait for result to return, between 0 and 5000.
|
|
* @param { Object[] } args - the method argument called on registered globalCallObject.
|
|
* @returns { Object } Return the result of method if it has a return value, otherwise return void.
|
|
* @throws { BusinessError } 401 - The input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200006 - An exception occurred during serialization.
|
|
* @throws { BusinessError } 10200019 - The globalCallObject is not registered.
|
|
* @throws { BusinessError } 10200020 - The method to be called is not callable or is an async method or a generator.
|
|
* @throws { BusinessError } 10200021 - The global call exceeds the timeout.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 11
|
|
*/
|
|
callGlobalCallObjectMethod(instanceName: string, methodName: string, timeout: number, ...args: Object[]): Object;
|
|
}
|
|
|
|
/**
|
|
* JS cross-thread communication tool
|
|
*
|
|
* @namespace worker
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
*/
|
|
/**
|
|
* JS cross-thread communication tool
|
|
*
|
|
* @namespace worker
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* JS cross-thread communication tool
|
|
*
|
|
* @namespace worker
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
declare namespace worker {
|
|
/**
|
|
* The ThreadWorker class contains all Worker functions.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* The ThreadWorker class contains all Worker functions.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* The ThreadWorker class contains all Worker functions.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
class ThreadWorker implements WorkerEventTarget {
|
|
/**
|
|
* Creates a worker instance
|
|
*
|
|
* @param { string } scriptURL - scriptURL URL of the script to be executed by the worker
|
|
* @param { WorkerOptions } [options] - options Options that can be set for the worker
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200003 - Worker initialization failure.
|
|
* @throws { BusinessError } 10200007 - The worker file patch is invalid path.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Creates a worker instance
|
|
*
|
|
* @param { string } scriptURL - scriptURL URL of the script to be executed by the worker
|
|
* @param { WorkerOptions } [options] - options Options that can be set for the worker
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200003 - Worker initialization failure.
|
|
* @throws { BusinessError } 10200007 - The worker file patch is invalid path.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* Creates a worker instance
|
|
*
|
|
* @param { string } scriptURL - scriptURL URL of the script to be executed by the worker
|
|
* @param { WorkerOptions } [options] - options Options that can be set for the worker
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200003 - Worker initialization failure.
|
|
* @throws { BusinessError } 10200007 - The worker file patch is invalid path.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
constructor(scriptURL: string, options?: WorkerOptions);
|
|
/**
|
|
* The onexit attribute of the worker specifies the event handler to be called
|
|
* when the worker exits. The handler is executed in the host thread.
|
|
*
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* The onexit attribute of the worker specifies the event handler to be called
|
|
* when the worker exits. The handler is executed in the host thread.
|
|
*
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* The onexit attribute of the worker specifies the event handler to be called
|
|
* when the worker exits. The handler is executed in the host thread.
|
|
*
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
onexit?: (code: number) => void;
|
|
/**
|
|
* The onerror attribute of the worker specifies the event handler to be called
|
|
* when an exception occurs during worker execution.
|
|
* The event handler is executed in the host thread.
|
|
*
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* The onerror attribute of the worker specifies the event handler to be called
|
|
* when an exception occurs during worker execution.
|
|
* The event handler is executed in the host thread.
|
|
*
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* The onerror attribute of the worker specifies the event handler to be called
|
|
* when an exception occurs during worker execution.
|
|
* The event handler is executed in the host thread.
|
|
*
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
onerror?: (err: ErrorEvent) => void;
|
|
/**
|
|
* The onmessage attribute of the worker specifies the event handler
|
|
* to be called then the host thread receives a message created by itself
|
|
* and sent by the worker through the parentPort.postMessage.
|
|
* The event handler is executed in the host thread.
|
|
*
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* The onmessage attribute of the worker specifies the event handler
|
|
* to be called then the host thread receives a message created by itself
|
|
* and sent by the worker through the parentPort.postMessage.
|
|
* The event handler is executed in the host thread.
|
|
*
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* The onmessage attribute of the worker specifies the event handler
|
|
* to be called then the host thread receives a message created by itself
|
|
* and sent by the worker through the parentPort.postMessage.
|
|
* The event handler is executed in the host thread.
|
|
*
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
onmessage?: (event: MessageEvents) => void;
|
|
/**
|
|
* The onmessage attribute of the worker specifies the event handler
|
|
* when the worker receives a message that cannot be serialized.
|
|
* The event handler is executed in the host thread.
|
|
*
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* The onmessage attribute of the worker specifies the event handler
|
|
* when the worker receives a message that cannot be serialized.
|
|
* The event handler is executed in the host thread.
|
|
*
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* The onmessage attribute of the worker specifies the event handler
|
|
* when the worker receives a message that cannot be serialized.
|
|
* The event handler is executed in the host thread.
|
|
*
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
onmessageerror?: (event: MessageEvents) => void;
|
|
/**
|
|
* Sends a message to the worker thread.
|
|
* The data is transferred using the structured clone algorithm.
|
|
*
|
|
* @param { Object } message - message Data to be sent to the worker
|
|
* @param { ArrayBuffer[] } transfer - transfer ArrayBuffer instance that can be transferred.
|
|
* The transferList array cannot contain null.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200006 - An exception occurred during serialization.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Sends a message to the worker thread.
|
|
* The data is transferred using the structured clone algorithm.
|
|
*
|
|
* @param { Object } message - message Data to be sent to the worker
|
|
* @param { ArrayBuffer[] } transfer - transfer ArrayBuffer instance that can be transferred.
|
|
* The transferList array cannot contain null.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200006 - An exception occurred during serialization.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* Sends a message to the worker thread.
|
|
* The data is transferred using the structured clone algorithm.
|
|
*
|
|
* @param { Object } message - message Data to be sent to the worker
|
|
* @param { ArrayBuffer[] } transfer - transfer ArrayBuffer instance that can be transferred.
|
|
* The transferList array cannot contain null.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200006 - An exception occurred during serialization.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
postMessage(message: Object, transfer: ArrayBuffer[]): void;
|
|
/**
|
|
* Sends a message to the worker thread.
|
|
* The data is transferred using the structured clone algorithm.
|
|
*
|
|
* @param { Object } message - message Data to be sent to the worker
|
|
* @param { PostMessageOptions } [options] - options
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200006 - An exception occurred during serialization.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Sends a message to the worker thread.
|
|
* The data is transferred using the structured clone algorithm.
|
|
*
|
|
* @param { Object } message - message Data to be sent to the worker
|
|
* @param { PostMessageOptions } [options] - options
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200006 - An exception occurred during serialization.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* Sends a message to the worker thread.
|
|
* The data is transferred using the structured clone algorithm.
|
|
*
|
|
* @param { Object } message - message Data to be sent to the worker
|
|
* @param { PostMessageOptions } [options] - options
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200006 - An exception occurred during serialization.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
postMessage(message: Object, options?: PostMessageOptions): void;
|
|
|
|
/**
|
|
* Sends a message to the worker thread from the host thread.
|
|
* If there're sendable objects included in the message, they will be passed through references.
|
|
* Non-sendable objects are passed through serialization.
|
|
*
|
|
* @param { Object } message - Data to be sent to the worker thread.
|
|
* @param { ArrayBuffer[] } [transfer] - ArrayBuffer instance that can be transferred.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200006 - An exception occurred during serialization.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 12
|
|
*/
|
|
postMessageWithSharedSendable(message: Object, transfer?: ArrayBuffer[]): void;
|
|
|
|
/**
|
|
* Adds an event listener to the worker.
|
|
*
|
|
* @param { string } type - type Adds an event listener to the worker.
|
|
* @param { WorkerEventListener } listener - listener Callback to invoke when an event of the specified type occurs.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Adds an event listener to the worker.
|
|
*
|
|
* @param { string } type - type Adds an event listener to the worker.
|
|
* @param { WorkerEventListener } listener - listener Callback to invoke when an event of the specified type occurs.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
on(type: string, listener: WorkerEventListener): void;
|
|
/**
|
|
* Adds an event listener to the worker
|
|
* and removes the event listener automatically after it is invoked once.
|
|
*
|
|
* @param { string } type - type Type of the event to listen for
|
|
* @param { WorkerEventListener } listener - listener Callback to invoke when an event of the specified type occurs
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Adds an event listener to the worker
|
|
* and removes the event listener automatically after it is invoked once.
|
|
*
|
|
* @param { string } type - type Type of the event to listen for
|
|
* @param { WorkerEventListener } listener - listener Callback to invoke when an event of the specified type occurs
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
once(type: string, listener: WorkerEventListener): void;
|
|
/**
|
|
* Removes an event listener to the worker.
|
|
*
|
|
* @param { string } type - type Type of the event for which the event listener is removed.
|
|
* @param { WorkerEventListener } [listener] - listener Callback of the event listener to remove.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Removes an event listener to the worker.
|
|
*
|
|
* @param { string } type - type Type of the event for which the event listener is removed.
|
|
* @param { WorkerEventListener } [listener] - listener Callback of the event listener to remove.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
off(type: string, listener?: WorkerEventListener): void;
|
|
/**
|
|
* Terminates the worker thread to stop the worker from receiving messages
|
|
*
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Terminates the worker thread to stop the worker from receiving messages
|
|
*
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* Terminates the worker thread to stop the worker from receiving messages
|
|
*
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
terminate(): void;
|
|
/**
|
|
* Adds an event listener to the worker.
|
|
*
|
|
* @param { string } type - type Type of the event to listen for.
|
|
* @param { WorkerEventListener } listener Callback to invoke when an event of the specified type occurs.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Adds an event listener to the worker.
|
|
*
|
|
* @param { string } type - type Type of the event to listen for.
|
|
* @param { WorkerEventListener } listener Callback to invoke when an event of the specified type occurs.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @throws { BusinessError } 10200005 - The invoked API is not supported in workers.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
addEventListener(type: string, listener: WorkerEventListener): void;
|
|
/**
|
|
* Handle the event defined for the worker.
|
|
*
|
|
* @param { Event } event - event Event to dispatch.
|
|
* @returns { boolean }
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Handle the event defined for the worker.
|
|
*
|
|
* @param { Event } event - event Event to dispatch.
|
|
* @returns { boolean }
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
dispatchEvent(event: Event): boolean;
|
|
/**
|
|
* Remove an event defined for the worker.
|
|
*
|
|
* @param { string } type - type Type of the event for which the event listener is cancelled.
|
|
* @param { WorkerEventListener } [callback] - callback Callback of the event listener to remove.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Remove an event defined for the worker.
|
|
*
|
|
* @param { string } type - type Type of the event for which the event listener is cancelled.
|
|
* @param { WorkerEventListener } [callback] - callback Callback of the event listener to remove.
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
removeEventListener(type: string, callback?: WorkerEventListener): void;
|
|
/**
|
|
* Remove all event listeners for the worker.
|
|
*
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* Remove all event listeners for the worker.
|
|
*
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
removeAllListener(): void;
|
|
|
|
/**
|
|
* Register globalCallObject for global call.
|
|
* @param { string } instanceName - The key to register globalCallObject.
|
|
* @param { Object } globalCallObject - The globalCallObject that will be registered.
|
|
* @throws { BusinessError } 401 - The input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 11
|
|
*/
|
|
registerGlobalCallObject(instanceName: string, globalCallObject: Object): void;
|
|
|
|
/**
|
|
* Remove registered globalCallObject and release strong reference to registered object.
|
|
* @param { string } [instanceName] - The exact key that used in registration.
|
|
* @throws { BusinessError } 401 - The input parameters are invalid.
|
|
* @throws { BusinessError } 10200004 - Worker instance is not running.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 11
|
|
*/
|
|
unregisterGlobalCallObject(instanceName?: string): void;
|
|
}
|
|
|
|
/**
|
|
* The RestrictedWorker class contains all Worker functions.
|
|
*
|
|
* @extends ThreadWorker
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 11
|
|
*/
|
|
class RestrictedWorker extends ThreadWorker {
|
|
/**
|
|
* Creates a worker instance
|
|
*
|
|
* @param { string } scriptURL - scriptURL URL of the script to be executed by the worker
|
|
* @param { WorkerOptions } [options] - options Options that can be set for the worker
|
|
* @throws { BusinessError } 401 - if the input parameters are invalid.
|
|
* @throws { BusinessError } 10200003 - Worker initialization failure.
|
|
* @throws { BusinessError } 10200007 - The worker file patch is invalid path.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 11
|
|
*/
|
|
constructor(scriptURL: string, options?: WorkerOptions);
|
|
}
|
|
|
|
/**
|
|
* The Worker class contains all Worker functions.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.ThreadWorker
|
|
*/
|
|
class Worker implements EventTarget {
|
|
/**
|
|
* Creates a worker instance
|
|
*
|
|
* @param { string } scriptURL - scriptURL URL of the script to be executed by the worker
|
|
* @param { WorkerOptions } options - options Options that can be set for the worker
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.ThreadWorker.constructor
|
|
*/
|
|
constructor(scriptURL: string, options?: WorkerOptions);
|
|
|
|
/**
|
|
* The onexit attribute of the worker specifies the event handler to be called
|
|
* when the worker exits. The handler is executed in the host thread.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.ThreadWorker.onexit
|
|
*/
|
|
onexit?: (code: number) => void;
|
|
|
|
/**
|
|
* The onerror attribute of the worker specifies the event handler to be called
|
|
* when an exception occurs during worker execution.
|
|
* The event handler is executed in the host thread.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.ThreadWorker.onerror
|
|
*/
|
|
onerror?: (err: ErrorEvent) => void;
|
|
|
|
/**
|
|
* The onmessage attribute of the worker specifies the event handler
|
|
* to be called then the host thread receives a message created by itself
|
|
* and sent by the worker through the parentPort.postMessage.
|
|
* The event handler is executed in the host thread.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.ThreadWorker.onmessage
|
|
*/
|
|
onmessage?: (event: MessageEvent) => void;
|
|
|
|
/**
|
|
* The onmessage attribute of the worker specifies the event handler
|
|
* when the worker receives a message that cannot be serialized.
|
|
* The event handler is executed in the host thread.
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.ThreadWorker.onmessageerror
|
|
*/
|
|
onmessageerror?: (event: MessageEvent) => void;
|
|
|
|
/**
|
|
* Sends a message to the worker thread.
|
|
* The data is transferred using the structured clone algorithm.
|
|
*
|
|
* @param { Object } message - message - message Data to be sent to the worker
|
|
* @param { ArrayBuffer[] } transfer - transfer ArrayBuffer instance that can be transferred.
|
|
* The transferList array cannot contain null.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.ThreadWorker.postMessage
|
|
*/
|
|
postMessage(message: Object, transfer: ArrayBuffer[]): void;
|
|
|
|
/**
|
|
* Sends a message to the worker thread.
|
|
* The data is transferred using the structured clone algorithm.
|
|
*
|
|
* @param { Object } message - message - message Data to be sent to the worker
|
|
* @param { PostMessageOptions } [options] - options Option can be set for postmessage.
|
|
* The transferList array cannot contain null.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.ThreadWorker.postMessage
|
|
*/
|
|
postMessage(message: Object, options?: PostMessageOptions): void;
|
|
|
|
/**
|
|
* Adds an event listener to the worker.
|
|
*
|
|
* @param { string } type - type Adds an event listener to the worker.
|
|
* @param { EventListener } listener - listener Callback to invoke when an event of the specified type occurs.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.ThreadWorker.on
|
|
*/
|
|
on(type: string, listener: EventListener): void;
|
|
|
|
/**
|
|
* Adds an event listener to the worker
|
|
* and removes the event listener automatically after it is invoked once.
|
|
*
|
|
* @param { string } type - type Type of the event to listen for
|
|
* @param { EventListener } listener - listener Callback to invoke when an event of the specified type occurs
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.ThreadWorker.once
|
|
*/
|
|
once(type: string, listener: EventListener): void;
|
|
|
|
/**
|
|
* Removes an event listener to the worker.
|
|
*
|
|
* @param { string } type - type Type of the event for which the event listener is removed.
|
|
* @param { EventListener } listener - listener Callback of the event listener to remove.
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.ThreadWorker.off
|
|
*/
|
|
off(type: string, listener?: EventListener): void;
|
|
|
|
/**
|
|
* Terminates the worker thread to stop the worker from receiving messages
|
|
*
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.ThreadWorker.terminate
|
|
*/
|
|
terminate(): void;
|
|
}
|
|
|
|
/**
|
|
* The object used by the worker thread to communicate with the host thread.
|
|
*
|
|
* @constant
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 7
|
|
* @deprecated since 9
|
|
* @useinstead ohos.worker.workerPort
|
|
*/
|
|
const parentPort: DedicatedWorkerGlobalScope;
|
|
|
|
/**
|
|
* The object used by the worker thread to communicate with the host thread.
|
|
*
|
|
* @constant
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @since 9
|
|
*/
|
|
/**
|
|
* The object used by the worker thread to communicate with the host thread.
|
|
*
|
|
* @constant
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @since 10
|
|
*/
|
|
/**
|
|
* The object used by the worker thread to communicate with the host thread.
|
|
*
|
|
* @constant
|
|
* @syscap SystemCapability.Utils.Lang
|
|
* @crossplatform
|
|
* @atomicservice
|
|
* @since 11
|
|
*/
|
|
const workerPort: ThreadWorkerGlobalScope;
|
|
}
|
|
export default worker;
|