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Namespace: client

Client for communicating with Temporal Server.

Most functionality is available through WorkflowClient, but you can also call gRPC methods directly using Connection.workflowService and Connection.operatorService.

Usage​

import { Connection, Client } from '@temporalio/client';
import { example } from './workflows';
import { nanoid } from 'nanoid';

async function run() {
  // Connect to the default Server location
  const connection = await Connection.connect({ address: 'localhost:7233' });
  // In production, pass options to configure TLS and other settings:
  // {
  //   address: 'foo.bar.tmprl.cloud',
  //   tls: {}
  // }

  const client = new Client({
    connection,
    // namespace: 'foo.bar', // connects to 'default' namespace if not specified
  });

  const handle = await client.workflow.start(example, {
    taskQueue: 'hello-world',
    // type inference works! args: [name: string]
    args: ['Temporal'],
    // in practice, use a meaningful business ID, like customerId or transactionId
    workflowId: 'workflow-' + nanoid(),
  });
  console.log(`Started workflow ${handle.workflowId}`);

  // optional: wait for client result
  console.log(await handle.result()); // Hello, Temporal!
}

run().catch((err) => {
  console.error(err);
  process.exit(1);
});

Classes​

Interfaces​

References​

ActivityFailure​

Re-exports ActivityFailure

ActivityFunction​

Re-exports ActivityFunction

ActivityInterface​

Re-exports ActivityInterface

ApplicationFailure​

Re-exports ApplicationFailure

BaseWorkflowHandle​

Re-exports BaseWorkflowHandle

BaseWorkflowOptions​

Re-exports BaseWorkflowOptions

CancelledFailure​

Re-exports CancelledFailure

ChildWorkflowFailure​

Re-exports ChildWorkflowFailure

CommonWorkflowOptions​

Re-exports CommonWorkflowOptions

DataConverter​

Re-exports DataConverter

HandlerUnfinishedPolicy​

Re-exports HandlerUnfinishedPolicy

Headers​

Re-exports Headers

HistoryAndWorkflowId​

Re-exports HistoryAndWorkflowId

IllegalStateError​

Re-exports IllegalStateError

NamespaceNotFoundError​

Re-exports NamespaceNotFoundError

Next​

Re-exports Next

Payload​

Re-exports Payload

PayloadConverterError​

Re-exports PayloadConverterError

ProtoFailure​

Re-exports ProtoFailure

QueryDefinition​

Re-exports QueryDefinition

RetryPolicy​

Re-exports RetryPolicy

SearchAttributeValue​

Re-exports SearchAttributeValue

SearchAttributes​

Re-exports SearchAttributes

ServerFailure​

Re-exports ServerFailure

SignalDefinition​

Re-exports SignalDefinition

TemporalFailure​

Re-exports TemporalFailure

TerminatedFailure​

Re-exports TerminatedFailure

TimeoutFailure​

Re-exports TimeoutFailure

UntypedActivities​

Re-exports UntypedActivities

UpdateDefinition​

Re-exports UpdateDefinition

ValueError​

Re-exports ValueError

WithWorkflowArgs​

Re-exports WithWorkflowArgs

Workflow​

Re-exports Workflow

WorkflowDurationOptions​

Re-exports WorkflowDurationOptions

WorkflowExecutionAlreadyStartedError​

Re-exports WorkflowExecutionAlreadyStartedError

WorkflowIdConflictPolicy​

Re-exports WorkflowIdConflictPolicy

WorkflowIdReusePolicy​

Re-exports WorkflowIdReusePolicy

WorkflowNotFoundError​

Re-exports WorkflowNotFoundError

WorkflowQueryAnnotatedType​

Re-exports WorkflowQueryAnnotatedType

WorkflowQueryType​

Re-exports WorkflowQueryType

WorkflowResultType​

Re-exports WorkflowResultType

WorkflowReturnType​

Re-exports WorkflowReturnType

WorkflowSignalAnnotatedType​

Re-exports WorkflowSignalAnnotatedType

WorkflowSignalType​

Re-exports WorkflowSignalType

WorkflowUpdateAnnotatedType​

Re-exports WorkflowUpdateAnnotatedType

WorkflowUpdateType​

Re-exports WorkflowUpdateType

WorkflowUpdateValidatorType​

Re-exports WorkflowUpdateValidatorType

decodeWorkflowIdConflictPolicy​

Re-exports decodeWorkflowIdConflictPolicy

decodeWorkflowIdReusePolicy​

Re-exports decodeWorkflowIdReusePolicy

defaultPayloadConverter​

Re-exports defaultPayloadConverter

encodeWorkflowIdConflictPolicy​

Re-exports encodeWorkflowIdConflictPolicy

encodeWorkflowIdReusePolicy​

Re-exports encodeWorkflowIdReusePolicy

extractWorkflowType​

Re-exports extractWorkflowType

Type Aliases​

AsyncCompletionClientOptions​

Ƭ AsyncCompletionClientOptions: BaseClientOptions

Options used to configure AsyncCompletionClient

BuildIdOperation​

Ƭ BuildIdOperation: AddNewIdInNewDefaultSet | AddNewCompatibleVersion | PromoteSetByBuildId | PromoteBuildIdWithinSet | MergeSets

Operations that can be passed to TaskQueueClient.updateBuildIdCompatibility.

CompiledScheduleAction​

Ƭ CompiledScheduleAction: Replace<ScheduleDescriptionAction, { args: unknown[] ; workflowType: string }>

CompiledScheduleOptions​

Ƭ CompiledScheduleOptions: Replace<ScheduleOptions, { action: CompiledScheduleAction }>

CompiledScheduleUpdateOptions​

Ƭ CompiledScheduleUpdateOptions: Replace<ScheduleUpdateOptions, { action: CompiledScheduleAction }>

ConnectionOptionsWithDefaults​

Ƭ ConnectionOptionsWithDefaults: Required<Omit<ConnectionOptions, "tls" | "connectTimeout" | "callCredentials" | "apiKey">> & { connectTimeoutMs: number }

CreateScheduleOutput​

Ƭ CreateScheduleOutput: Object

Type declaration​

NameType
conflictTokenUint8Array

DayOfWeek​

Ƭ DayOfWeek: typeof DAYS_OF_WEEK[number]

DescribeWorkflowExecutionResponse​

Ƭ DescribeWorkflowExecutionResponse: IDescribeWorkflowExecutionResponse

GetWorkflowExecutionHistoryRequest​

Ƭ GetWorkflowExecutionHistoryRequest: IGetWorkflowExecutionHistoryRequest

HealthService​

Ƭ HealthService: Health

LoadedAsyncCompletionClientOptions​

Ƭ LoadedAsyncCompletionClientOptions: LoadedWithDefaults<AsyncCompletionClientOptions>

LoadedClientOptions​

Ƭ LoadedClientOptions: LoadedWithDefaults<ClientOptions>

LoadedScheduleClientOptions​

Ƭ LoadedScheduleClientOptions: LoadedWithDefaults<ScheduleClientOptions>

LoadedTaskQueueClientOptions​

Ƭ LoadedTaskQueueClientOptions: LoadedWithDefaults<TaskQueueClientOptions>

LoadedWorkflowClientOptions​

Ƭ LoadedWorkflowClientOptions: LoadedWithDefaults<WorkflowClientOptions>

LooseRange​

Ƭ LooseRange<Unit>: Range<Unit> | { end?: Range<Unit>["end"] ; start: Range<Unit>["start"] ; step?: never } | Unit

A Range definition, with support for loose syntax.

For example:

3 ➡️ 3
{ start: 2 } ➡️ 2
{ start: 2, end: 4 } ➡️ 2, 3, 4
{ start: 2, end: 10, step: 3 } ➡️ 2, 5, 8

Type parameters​

Name
Unit

Metadata​

Ƭ Metadata: Record<string, grpc.MetadataValue>

Mapping of string to valid gRPC metadata value

Month​

Ƭ Month: typeof MONTHS[number]

OperatorService​

Ƭ OperatorService: OperatorService

QueryRejectCondition​

Ƭ QueryRejectCondition: typeof QueryRejectCondition[keyof typeof QueryRejectCondition]

RawWorkflowExecutionInfo​

Ƭ RawWorkflowExecutionInfo: IWorkflowExecutionInfo

ReachabilityOptions​

Ƭ ReachabilityOptions: RequireAtLeastOne<BaseReachabilityOptions, "buildIds" | "taskQueues">

Options for TaskQueueClient.getReachability

ReachabilityType​

Ƭ ReachabilityType: typeof ReachabilityType[keyof typeof ReachabilityType]

There are different types of reachability:

  • NEW_WORKFLOWS: The Build Id might be used by new workflows
  • EXISTING_WORKFLOWS The Build Id might be used by open workflows and/or closed workflows.
  • OPEN_WORKFLOWS The Build Id might be used by open workflows
  • CLOSED_WORKFLOWS The Build Id might be used by closed workflows

ReachabilityTypeResponse​

Ƭ ReachabilityTypeResponse: ReachabilityType | "NOT_FETCHED"

RequestCancelWorkflowExecutionResponse​

Ƭ RequestCancelWorkflowExecutionResponse: IRequestCancelWorkflowExecutionResponse

ScheduleDescription​

Ƭ ScheduleDescription: Object

A detailed description of an exisiting Schedule, as returned by ScheduleHandle.describe.

Type declaration​

NameTypeDescription
actionScheduleDescriptionActionThe Action that will be taken.
info{ createdAt: Date ; lastUpdatedAt: Date | undefined ; nextActionTimes: Date[] ; numActionsMissedCatchupWindow: number ; numActionsSkippedOverlap: number ; numActionsTaken: number ; recentActions: ScheduleExecutionResult[] ; runningActions: ScheduleExecutionActionResult[] }-
info.createdAtDate-
info.lastUpdatedAtDate | undefined-
info.nextActionTimesDate[]Next upcoming scheduled times of this Schedule
info.numActionsMissedCatchupWindownumberNumber of times a scheduled Action was skipped due to missing the catchup window.
info.numActionsSkippedOverlapnumberNumber of Actions skipped due to overlap.
info.numActionsTakennumberNumber of Actions taken so far.
info.recentActionsScheduleExecutionResult[]Most recent actions started (including manual triggers), sorted from older start time to newer.
info.runningActionsScheduleExecutionActionResult[]Currently-running workflows started by this schedule. (There might be more than one if the overlap policy allows overlaps.)
memo?Record<string, unknown>Additional non-indexed information attached to the Schedule. The values can be anything that is serializable by the DataConverter.
policies{ catchupWindow: number ; overlap: ScheduleOverlapPolicy ; pauseOnFailure: boolean }-
policies.catchupWindownumberThe Temporal Server might be down or unavailable at the time when a Schedule should take an Action. When the Server comes back up, catchupWindow controls which missed Actions should be taken at that point. It takes those Actions according to the ScheduleOverlapPolicy. An outage that lasts longer than the Catchup Window could lead to missed Actions. (But you can always ScheduleHandle.backfill.) Unit is miliseconds.
policies.overlapScheduleOverlapPolicyControls what happens when an Action would be started by a Schedule at the same time that an older Action is still running.
policies.pauseOnFailurebooleanWhen an Action times out or reaches the end of its Retry Policy, pause. With ScheduleOverlapPolicy.ALLOW_ALL, this pause might not apply to the next Action, because the next Action might have already started previous to the failed one finishing. Pausing applies only to Actions that are scheduled to start after the failed one finishes.
scheduleIdstringThe Schedule Id. We recommend using a meaningful business identifier.
searchAttributesSearchAttributesAdditional indexed information attached to the Schedule. More info: https://docs.temporal.io/docs/typescript/search-attributes Values are always converted using JsonPayloadConverter, even when a custom Data Converter is provided.
specScheduleSpecDescriptionWhen will Actions be taken.
state{ note?: string ; paused: boolean ; remainingActions?: number }-
state.note?stringInformative human-readable message with contextual notes, e.g. the reason a Schedule is paused. The system may overwrite this message on certain conditions, e.g. when pause-on-failure happens.
state.pausedbooleanWhether Schedule is currently paused.
state.remainingActions?numberThe Actions remaining in this Schedule. Once this number hits 0, no further Actions are taken (unless ScheduleHandle.trigger is called). If undefined, then no such limit applies.

ScheduleDescriptionAction​

Ƭ ScheduleDescriptionAction: ScheduleDescriptionStartWorkflowAction

ScheduleDescriptionStartWorkflowAction​

Ƭ ScheduleDescriptionStartWorkflowAction: ScheduleSummaryStartWorkflowAction & Pick<WorkflowStartOptions<Workflow>, "taskQueue" | "workflowId" | "args" | "memo" | "searchAttributes" | "retry" | "workflowExecutionTimeout" | "workflowRunTimeout" | "workflowTaskTimeout">

ScheduleExecutionActionResult​

Ƭ ScheduleExecutionActionResult: ScheduleExecutionStartWorkflowActionResult

ScheduleOptionsAction​

Ƭ ScheduleOptionsAction: ScheduleOptionsStartWorkflowAction<Workflow>

ScheduleOptionsStartWorkflowAction​

Ƭ ScheduleOptionsStartWorkflowAction<W>: { type: "startWorkflow" ; workflowType: string | W } & Pick<WorkflowStartOptions<W>, "taskQueue" | "args" | "memo" | "searchAttributes" | "retry" | "workflowExecutionTimeout" | "workflowRunTimeout" | "workflowTaskTimeout"> & { workflowId?: string }

Type parameters​

NameType
Wextends Workflow

ScheduleOverlapPolicy​

Ƭ ScheduleOverlapPolicy: typeof ScheduleOverlapPolicy[keyof typeof ScheduleOverlapPolicy]

ScheduleSpecDescription​

Ƭ ScheduleSpecDescription: Omit<ScheduleSpec, "calendars" | "intervals" | "cronExpressions" | "skip" | "jitter"> & { calendars?: CalendarSpecDescription[] ; intervals?: IntervalSpecDescription[] ; jitter?: number ; skip?: CalendarSpecDescription[] }

The version of ScheduleSpec that you get back from ScheduleHandle.describe and ScheduleClient.list

ScheduleSummaryAction​

Ƭ ScheduleSummaryAction: ScheduleSummaryStartWorkflowAction

ScheduleUpdateOptions​

Ƭ ScheduleUpdateOptions<A>: Replace<Omit<ScheduleOptions, "scheduleId" | "memo" | "searchAttributes">, { action: A ; state: Omit<ScheduleOptions["state"], "triggerImmediately" | "backfill"> }>

The specification of an updated Schedule, as expected by ScheduleHandle.update.

Type parameters​

NameType
Aextends ScheduleOptionsAction = ScheduleOptionsAction

StartWorkflowExecutionRequest​

Ƭ StartWorkflowExecutionRequest: IStartWorkflowExecutionRequest

TaskQueueClientOptions​

Ƭ TaskQueueClientOptions: BaseClientOptions

TerminateWorkflowExecutionResponse​

Ƭ TerminateWorkflowExecutionResponse: ITerminateWorkflowExecutionResponse

UnversionedBuildIdType​

Ƭ UnversionedBuildIdType: typeof UnversionedBuildId

WithCompiledWorkflowOptions​

Ƭ WithCompiledWorkflowOptions<T>: Replace<T, { startDelay?: IDuration ; workflowExecutionTimeout?: IDuration ; workflowRunTimeout?: IDuration ; workflowTaskTimeout?: IDuration }>

Type parameters​

NameType
Textends WorkflowOptions

WorkflowClientCallsInterceptor​

Ƭ WorkflowClientCallsInterceptor: WorkflowClientInterceptor

@deprecated: Use WorkflowClientInterceptor instead

WorkflowExecutionDescription​

Ƭ WorkflowExecutionDescription: Replace<WorkflowExecutionInfo, { raw: DescribeWorkflowExecutionResponse }>

WorkflowExecutionStatusName​

Ƭ WorkflowExecutionStatusName: "UNSPECIFIED" | "RUNNING" | "COMPLETED" | "FAILED" | "CANCELLED" | "TERMINATED" | "CONTINUED_AS_NEW" | "TIMED_OUT" | "UNKNOWN"

WorkflowService​

Ƭ WorkflowService: WorkflowService

WorkflowSignalWithStartOptions​

Ƭ WorkflowSignalWithStartOptions<SignalArgs>: SignalArgs extends [any, ...any[]] ? WorkflowSignalWithStartOptionsWithArgs<SignalArgs> : WorkflowSignalWithStartOptionsWithoutArgs<SignalArgs>

Type parameters​

NameType
SignalArgsextends any[] = []

WorkflowStartOptions​

Ƭ WorkflowStartOptions<T>: WithWorkflowArgs<T, WorkflowOptions>

Options for starting a Workflow

Type parameters​

NameType
Textends Workflow = Workflow

WorkflowUpdateStage​

Ƭ WorkflowUpdateStage: typeof WorkflowUpdateStage[keyof typeof WorkflowUpdateStage]

Variables​

DAYS_OF_WEEK​

• Const DAYS_OF_WEEK: readonly ["SUNDAY", "MONDAY", "TUESDAY", "WEDNESDAY", "THURSDAY", "FRIDAY", "SATURDAY"]

HealthService​

• HealthService: typeof Health

LOCAL_TARGET​

• Const LOCAL_TARGET: "127.0.0.1:7233"

MONTHS​

• Const MONTHS: readonly ["JANUARY", "FEBRUARY", "MARCH", "APRIL", "MAY", "JUNE", "JULY", "AUGUST", "SEPTEMBER", "OCTOBER", "NOVEMBER", "DECEMBER"]

OperatorService​

• OperatorService: typeof OperatorService

QueryRejectCondition​

• Const QueryRejectCondition: Object

Type declaration​

NameTypeDescription
NONE"NONE"-
NOT_COMPLETED_CLEANLY"NOT_COMPLETED_CLEANLY"-
NOT_OPEN"NOT_OPEN"-
QUERY_REJECT_CONDITION_NONE"NONE"Deprecated Use NONE instead.
QUERY_REJECT_CONDITION_NOT_COMPLETED_CLEANLY"NOT_COMPLETED_CLEANLY"Deprecated Use NOT_COMPLETED_CLEANLY instead.
QUERY_REJECT_CONDITION_NOT_OPEN"NOT_OPEN"Deprecated Use NOT_OPEN instead.
QUERY_REJECT_CONDITION_UNSPECIFIEDundefinedDeprecated Use undefined instead.

ReachabilityType​

• Const ReachabilityType: Object

Type declaration​

NameTypeDescription
CLOSED_WORKFLOWS"CLOSED_WORKFLOWS"The Build Id might be used by closed workflows.
EXISTING_WORKFLOWS"EXISTING_WORKFLOWS"The Build Id might be used by open workflows and/or closed workflows.
NEW_WORKFLOWS"NEW_WORKFLOWS"The Build Id might be used by new workflows.
OPEN_WORKFLOWS"OPEN_WORKFLOWS"The Build Id might be used by open workflows.

ScheduleOverlapPolicy​

• Const ScheduleOverlapPolicy: Object

Policy for overlapping Actions.

Type declaration​

NameTypeDescription
ALLOW_ALL"ALLOW_ALL"Allow any number of Actions to start immediately. This is the only policy under which multiple Actions can run concurrently.
BUFFER_ALL"BUFFER_ALL"Allows an unlimited number of Actions to buffer. They are started sequentially.
BUFFER_ONE"BUFFER_ONE"Start another Action as soon as the current Action completes, but only buffer one Action in this way. If another Action is supposed to start, but one Action is running and one is already buffered, then only the buffered one will be started after the running Action finishes.
CANCEL_OTHER"CANCEL_OTHER"Cancels the running Action, and then starts the new Action once the cancelled one completes.
SKIP"SKIP"Don't start a new Action. Default ts
TERMINATE_OTHER"TERMINATE_OTHER"Terminate the running Action and start the new Action immediately.
UNSPECIFIEDundefinedUse server default (currently SKIP). Deprecated Either leave property undefined, or use SKIP instead.

UnversionedBuildId​

• Const UnversionedBuildId: unique symbol

A stand-in for a Build Id for unversioned Workers

WorkflowService​

• WorkflowService: typeof WorkflowService

WorkflowUpdateStage​

• Const WorkflowUpdateStage: Object

Type declaration​

NameTypeDescription
ACCEPTED"ACCEPTED"Accepted stage. This stage is reached when a workflow has received the update and either accepted it (i.e. it has passed validation, or there was no validator configured on the update handler) or rejected it. This is currently the only allowed value when using startUpdate.
ADMITTED"ADMITTED"Admitted stage. This stage is reached when the server accepts the update request. It is not allowed to wait for this stage when using startUpdate, since the update request has not yet been durably persisted at this stage.
COMPLETED"COMPLETED"Completed stage. This stage is reached when a workflow has completed processing the update with either a success or failure.
UNSPECIFIEDundefinedThis is not an allowed value. Deprecated

Functions​

compileWorkflowOptions​

▸ compileWorkflowOptions<T>(options): WithCompiledWorkflowOptions<T>

Type parameters​

NameType
Textends WorkflowOptions

Parameters​

NameType
optionsT

Returns​

WithCompiledWorkflowOptions<T>

decodeQueryRejectCondition​

▸ decodeQueryRejectCondition(input): undefined | "NONE" | "NOT_OPEN" | "NOT_COMPLETED_CLEANLY"

Parameters​

NameType
inputundefined | null | QueryRejectCondition

Returns​

undefined | "NONE" | "NOT_OPEN" | "NOT_COMPLETED_CLEANLY"

decodeScheduleOverlapPolicy​

▸ decodeScheduleOverlapPolicy(input): undefined | "SKIP" | "BUFFER_ONE" | "BUFFER_ALL" | "CANCEL_OTHER" | "TERMINATE_OTHER" | "ALLOW_ALL"

Parameters​

NameType
inputundefined | null | ScheduleOverlapPolicy

Returns​

undefined | "SKIP" | "BUFFER_ONE" | "BUFFER_ALL" | "CANCEL_OTHER" | "TERMINATE_OTHER" | "ALLOW_ALL"

decodeTaskReachability​

▸ decodeTaskReachability(input): undefined | "NEW_WORKFLOWS" | "EXISTING_WORKFLOWS" | "OPEN_WORKFLOWS" | "CLOSED_WORKFLOWS"

Parameters​

NameType
inputundefined | null | TaskReachability

Returns​

undefined | "NEW_WORKFLOWS" | "EXISTING_WORKFLOWS" | "OPEN_WORKFLOWS" | "CLOSED_WORKFLOWS"

defaultGrpcRetryOptions​

▸ defaultGrpcRetryOptions(options?): GrpcRetryOptions

Generates the default retry behavior based on given backoff options

Parameters​

NameType
options?Partial<BackoffOptions>

Returns​

GrpcRetryOptions

encodeQueryRejectCondition​

▸ encodeQueryRejectCondition(input): undefined | QueryRejectCondition

Parameters​

NameType
inputundefined | null | QueryRejectCondition | "NONE" | "NOT_OPEN" | "NOT_COMPLETED_CLEANLY" | "QUERY_REJECT_CONDITION_NONE" | "QUERY_REJECT_CONDITION_NOT_OPEN" | "QUERY_REJECT_CONDITION_NOT_COMPLETED_CLEANLY"

Returns​

undefined | QueryRejectCondition

encodeScheduleOverlapPolicy​

▸ encodeScheduleOverlapPolicy(input): undefined | ScheduleOverlapPolicy

Parameters​

NameType
inputundefined | null | ScheduleOverlapPolicy | "SKIP" | "BUFFER_ONE" | "BUFFER_ALL" | "CANCEL_OTHER" | "TERMINATE_OTHER" | "ALLOW_ALL" | "SCHEDULE_OVERLAP_POLICY_SKIP" | "SCHEDULE_OVERLAP_POLICY_BUFFER_ONE" | "SCHEDULE_OVERLAP_POLICY_BUFFER_ALL" | "SCHEDULE_OVERLAP_POLICY_CANCEL_OTHER" | "SCHEDULE_OVERLAP_POLICY_TERMINATE_OTHER" | "SCHEDULE_OVERLAP_POLICY_ALLOW_ALL"

Returns​

undefined | ScheduleOverlapPolicy

encodeTaskReachability​

▸ encodeTaskReachability(input): undefined | TaskReachability

Parameters​

NameType
inputundefined | null | TaskReachability | "NEW_WORKFLOWS" | "EXISTING_WORKFLOWS" | "OPEN_WORKFLOWS" | "CLOSED_WORKFLOWS" | "TASK_REACHABILITY_NEW_WORKFLOWS" | "TASK_REACHABILITY_EXISTING_WORKFLOWS" | "TASK_REACHABILITY_OPEN_WORKFLOWS" | "TASK_REACHABILITY_CLOSED_WORKFLOWS"

Returns​

undefined | TaskReachability

isGrpcCancelledError​

▸ isGrpcCancelledError(err): err is Error

Returns true if the provided error or its cause is a GrpcServiceError with code CANCELLED.

Parameters​

NameType
errunknown

Returns​

err is Error

See

Connection.withAbortSignal

isGrpcDeadlineError​

▸ isGrpcDeadlineError(err): err is Error

Returns true if the provided error or its cause is a GrpcServiceError with code DEADLINE_EXCEEDED.

Parameters​

NameType
errunknown

Returns​

err is Error

See

Connection.withDeadline

isGrpcServiceError​

▸ isGrpcServiceError(err): err is ServiceError

Returns true if the provided error is a GrpcServiceError.

Parameters​

NameType
errunknown

Returns​

err is ServiceError

isRetryableError​

▸ isRetryableError(status): boolean

Parameters​

NameType
statusStatusObject

Returns​

boolean

isServerErrorResponse​

▸ isServerErrorResponse(err): err is ServiceError

Parameters​

NameType
errunknown

Returns​

err is ServiceError

Deprecated

Use isGrpcServiceError instead

makeGrpcRetryInterceptor​

▸ makeGrpcRetryInterceptor(retryOptions): Interceptor

Returns a GRPC interceptor that will perform automatic retries for some types of failed calls

Parameters​

NameTypeDescription
retryOptionsGrpcRetryOptionsOptions for the retry interceptor

Returns​

Interceptor

reachabilityResponseFromProto​

▸ reachabilityResponseFromProto(resp): ReachabilityResponse

Parameters​

NameType
respGetWorkerTaskReachabilityResponse

Returns​

ReachabilityResponse