AsyncQueuerOptions

Defined in: async-queuer.ts:112

Type Parameters

TValue

TValue

Properties

addItemsTo?

optional addItemsTo?: QueuePosition;

Defined in: async-queuer.ts:121

Default position to add items to the queuer

Default

'back'

asyncRetryerOptions?

optional asyncRetryerOptions?: AsyncRetryerOptions<(item) => Promise<any>>;

Defined in: async-queuer.ts:116

Options for configuring the underlying async retryer

concurrency?

optional concurrency?: number | ((queuer) => number);

Defined in: async-queuer.ts:127

Maximum number of concurrent tasks to process. Can be a number or a function that returns a number.

Default

1

expirationDuration?

optional expirationDuration?: number;

Defined in: async-queuer.ts:132

Maximum time in milliseconds that an item can stay in the queue If not provided, items will never expire

getIsExpired?

optional getIsExpired?: (item, addedAt) => boolean;

Defined in: async-queuer.ts:137

Function to determine if an item has expired If provided, this overrides the expirationDuration behavior

Parameters

item

TValue

addedAt

number

Returns

boolean

getItemsFrom?

optional getItemsFrom?: QueuePosition;

Defined in: async-queuer.ts:142

Default position to get items from during processing

Default

'front'

getPriority?

optional getPriority?: (item) => number;

Defined in: async-queuer.ts:148

Function to determine priority of items in the queuer Higher priority items will be processed first If not provided, will use static priority values attached to tasks

Parameters

item

TValue

Returns

number

initialItems?

optional initialItems?: TValue[];

Defined in: async-queuer.ts:152

Initial items to populate the queuer with

initialState?

optional initialState?: Partial<AsyncQueuerState<TValue>>;

Defined in: async-queuer.ts:156

Initial state for the async queuer

key?

optional key?: string;

Defined in: async-queuer.ts:161

Optional key to identify this async queuer instance. If provided, the async queuer will be identified by this key in the devtools and PacerProvider if applicable.

maxSize?

optional maxSize?: number;

Defined in: async-queuer.ts:165

Maximum number of items allowed in the queuer

onError?

optional onError?: (error, item, queuer) => void;

Defined in: async-queuer.ts:171

Optional error handler for when a task throws. If provided, the handler will be called with the error and queuer instance. This can be used alongside throwOnError - the handler will be called before any error is thrown.

Parameters

error

Error

item

TValue

queuer

AsyncQueuer<TValue>

Returns

void

onExpire?

optional onExpire?: (item, queuer) => void;

Defined in: async-queuer.ts:175

Callback fired whenever an item expires in the queuer

Parameters

item

TValue

queuer

AsyncQueuer<TValue>

Returns

void

onItemsChange?

optional onItemsChange?: (queuer) => void;

Defined in: async-queuer.ts:179

Callback fired whenever an item is added or removed from the queuer

Parameters

queuer

AsyncQueuer<TValue>

Returns

void

onReject?

optional onReject?: (item, queuer) => void;

Defined in: async-queuer.ts:183

Callback fired whenever an item is rejected from being added to the queuer

Parameters

item

TValue

queuer

AsyncQueuer<TValue>

Returns

void

onSettled?

optional onSettled?: (item, queuer) => void;

Defined in: async-queuer.ts:187

Optional callback to call when a task is settled

Parameters

item

TValue

queuer

AsyncQueuer<TValue>

Returns

void

onSuccess?

optional onSuccess?: (result, item, queuer) => void;

Defined in: async-queuer.ts:191

Optional callback to call when a task succeeds

Parameters

result

any

item

TValue

queuer

AsyncQueuer<TValue>

Returns

void

started?

optional started?: boolean;

Defined in: async-queuer.ts:195

Whether the queuer should start processing tasks immediately or not.

throwOnError?

optional throwOnError?: boolean;

Defined in: async-queuer.ts:201

Whether to throw errors when they occur. Defaults to true if no onError handler is provided, false if an onError handler is provided. Can be explicitly set to override these defaults.

wait?

optional wait?: number | ((queuer) => number);

Defined in: async-queuer.ts:207

Time in milliseconds to wait between processing items. Can be a number or a function that returns a number.

Default

0