Skip to main content

Interface: SubscribableMap<K, V>

Defined in: src/sdk/sub/SubscribableMap.ts:25

A map which allows others to subscribe to be notified of changes in its state.

Extended by​

Type Parameters​

Type Parameter
K
V

Properties​

isSubscribableMap​

readonly isSubscribableMap: true

Defined in: src/sdk/sub/SubscribableMap.ts:27

Flags this object as a SubscribableMap.


size​

readonly size: number

Defined in: src/sdk/sub/SubscribableMap.ts:30

The number of elements contained in this map.

Methods​

get()​

get(): ReadonlyMap<K, V>

Defined in: src/sdk/sub/SubscribableMap.ts:36

Gets a read-only version of this map.

Returns​

ReadonlyMap<K, V>

A read-only version of this map.


getValue()​

getValue(key): undefined | V

Defined in: src/sdk/sub/SubscribableMap.ts:51

Gets the value stored under a given key in this map.

Parameters​

ParameterTypeDescription
keyKThe key under which the value to get is stored.

Returns​

undefined | V

The value stored under the specified key in this map, or undefined if this map does not contain the specified key.


has()​

has(key): boolean

Defined in: src/sdk/sub/SubscribableMap.ts:43

Checks whether this map contains a key.

Parameters​

ParameterTypeDescription
keyKThe key to check.

Returns​

boolean

Whether this map contains the specified key.


pipe()​

pipe(to, paused?): Subscription

Defined in: src/sdk/sub/SubscribableMap.ts:71

Subscribes to and pipes this map's state to a mutable subscribable map. Whenever a key-value pair added, changed, or removed event is received through the subscription, the same key-value pair will be added to, changed, or removed from the other map.

Parameters​

ParameterTypeDescription
toMutableSubscribableMap<K, V>The mutable subscribable map to which to pipe this map's state.
paused?booleanWhether the new subscription should be initialized as paused. Defaults to false.

Returns​

Subscription

The new subscription.


sub()​

sub(handler, initialNotify?, paused?): Subscription

Defined in: src/sdk/sub/SubscribableMap.ts:61

Subscribes to changes in this map's state.

Parameters​

ParameterTypeDescription
handlerSubscribableMapHandler<K, V>A function which is called when this map's state changes.
initialNotify?booleanWhether to immediately invoke the callback function with this map's current state. Defaults to false. This argument is ignored if the subscription is initialized as paused.
paused?booleanWhether the new subscription should be initialized as paused. Defaults to false.

Returns​

Subscription

The new subscription.