Class: MapSubject<K, V>

A subscribable map whose key-value pairs can be freely added and removed.

Type parameters

Name
K
V

Hierarchy

• AbstractSubscribableMap<K, V>

  ↳ MapSubject

Implements

• MutableSubscribable<ReadonlyMap<K, V>, Iterable<readonly [K, V]>>
• MutableSubscribableMap<K, V>

Properties

initialNotifyFunc

• Protected Readonly initialNotifyFunc: (sub: HandlerSubscription<SubscribableMapHandler<K, V>>) => void

A function which sends initial notifications to subscriptions.

Type declaration

▸ (sub): void

A function which sends initial notifications to subscriptions.

Parameters

Name	Type
sub	HandlerSubscription<SubscribableMapHandler<K, V>>

Returns

void

Inherited from

AbstractSubscribableMap.initialNotifyFunc

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:28

---

isMutableSubscribable

• Readonly isMutableSubscribable: true

Flags this object as a MutableSubscribable.

Implementation of

MutableSubscribable.isMutableSubscribable

Defined in

src/sdk/sub/MapSubject.ts:9

---

isMutableSubscribableMap

• Readonly isMutableSubscribableMap: true

Flags this object as a MutableSubscribableMap.

Implementation of

MutableSubscribableMap.isMutableSubscribableMap

Defined in

src/sdk/sub/MapSubject.ts:10

---

isSubscribable

• Readonly isSubscribable: true

Flags this object as a Subscribable.

Implementation of

MutableSubscribable.isSubscribable

Inherited from

AbstractSubscribableMap.isSubscribable

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:14

---

isSubscribableMap

• Readonly isSubscribableMap: true

Flags this object as a SubscribableMap.

Implementation of

MutableSubscribableMap.isSubscribableMap

Inherited from

AbstractSubscribableMap.isSubscribableMap

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:15

---

notifyDepth

• Protected notifyDepth: number = 0

Inherited from

AbstractSubscribableMap.notifyDepth

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:25

---

onSubDestroyedFunc

• Protected Readonly onSubDestroyedFunc: (sub: HandlerSubscription<SubscribableMapHandler<K, V>>) => void

A function which responds to when a subscription to this subscribable is destroyed.

Type declaration

▸ (sub): void

A function which responds to when a subscription to this subscribable is destroyed.

Parameters

Name	Type
sub	HandlerSubscription<SubscribableMapHandler<K, V>>

Returns

void

Inherited from

AbstractSubscribableMap.onSubDestroyedFunc

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:31

---

singletonSub

• Protected Optional singletonSub: HandlerSubscription<SubscribableMapHandler<K, V>>

Inherited from

AbstractSubscribableMap.singletonSub

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:22

---

subs

• Protected Optional subs: HandlerSubscription<SubscribableMapHandler<K, V>>[]

Inherited from

AbstractSubscribableMap.subs

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:24

Accessors

size

• get size(): number

The number of elements contained in this map.

Returns

number

Implementation of

MutableSubscribableMap.size

Inherited from

AbstractSubscribableMap.size

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:18

Methods

addSubscription

▸ addSubscription(sub): void

Adds a subscription to this map.

Parameters

Name	Type	Description
sub	HandlerSubscription<SubscribableMapHandler<K, V>>	The subscription to add.

Returns

void

Inherited from

AbstractSubscribableMap.addSubscription

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:37

---

clear

▸ clear(): void

Removes all key-value pairs from this map.

Returns

void

Implementation of

MutableSubscribableMap.clear

Defined in

src/sdk/sub/MapSubject.ts:85

---

delete

▸ delete(key): boolean

Removes a key-value pair from this map.

Parameters

Name	Type	Description
key	K	The key to remove.

Returns

boolean

Whether the key-value pair was removed.

Implementation of

MutableSubscribableMap.delete

Defined in

src/sdk/sub/MapSubject.ts:73

---

get

▸ get(): ReadonlyMap<K, V>

Gets this item's state.

Returns

ReadonlyMap<K, V>

This item's state.

Implementation of

MutableSubscribableMap.get

Overrides

AbstractSubscribableMap.get

Defined in

src/sdk/sub/MapSubject.ts:36

---

getValue

▸ getValue(key): undefined | V

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

Parameters

Name	Type	Description
key	K	The 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.

Implementation of

MutableSubscribableMap.getValue

Inherited from

AbstractSubscribableMap.getValue

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:57

---

has

▸ has(key): boolean

Checks whether this map contains a key.

Parameters

Name	Type	Description
key	K	The key to check.

Returns

boolean

Whether this map contains the specified key.

Implementation of

MutableSubscribableMap.has

Inherited from

AbstractSubscribableMap.has

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:52

---

initialNotify

▸ initialNotify(sub): void

Notifies a subscription of this map's current state.

Parameters

Name	Type	Description
sub	HandlerSubscription<SubscribableMapHandler<K, V>>	The subscription to notify.

Returns

void

Inherited from

AbstractSubscribableMap.initialNotify

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:173

---

map

▸ map<M>(fn, equalityFunc?): MappedSubject<[ReadonlyMap<K, V>], M>

Maps this subscribable to a new subscribable.

Type parameters

Name
M

Parameters

Name	Type	Description
fn	(input: ReadonlyMap<K, V>, previousVal?: M) => M	The function to use to map to the new subscribable.
equalityFunc?	(a: M, b: M) => boolean	The function to use to check for equality between mapped values. Defaults to the strict equality comparison (===).

Returns

MappedSubject<[ReadonlyMap<K, V>], M>

The mapped subscribable.

Implementation of

MutableSubscribable.map

Inherited from

AbstractSubscribableMap.map

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:206

▸ map<M>(fn, equalityFunc, mutateFunc, initialVal): MappedSubject<[ReadonlyMap<K, V>], M>

Maps this subscribable to a new subscribable with a persistent, cached value which is mutated when it changes.

Type parameters

Name
M

Parameters

Name	Type	Description
fn	(input: ReadonlyMap<K, V>, previousVal?: M) => M	The function to use to map to the new subscribable.
equalityFunc	(a: M, b: M) => boolean	The function to use to check for equality between mapped values.
mutateFunc	(oldVal: M, newVal: M) => void	The function to use to change the value of the mapped subscribable.
initialVal	M	The initial value of the mapped subscribable.

Returns

MappedSubject<[ReadonlyMap<K, V>], M>

The mapped subscribable.

Implementation of

MutableSubscribable.map

Inherited from

AbstractSubscribableMap.map

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:215

---

notify

▸ notify(type, key, value): void

Notifies subscriptions of a change in this map.

Parameters

Name	Type	Description
type	SubscribableMapEventType	The type of change.
key	K	The key related to the change.
value	V	The value related to the change.

Returns

void

Inherited from

AbstractSubscribableMap.notify

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:95

---

onSubDestroyed

▸ onSubDestroyed(sub): void

Responds to when a subscription to this map is destroyed.

Parameters

Name	Type	Description
sub	HandlerSubscription<SubscribableMapHandler<K, V>>	The destroyed subscription.

Returns

void

Inherited from

AbstractSubscribableMap.onSubDestroyed

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:184

---

pipe

▸ pipe(to, paused?): Subscription

Subscribes to and pipes this subscribable's state to a mutable subscribable. Whenever an update of this subscribable's state is received through the subscription, it will be used as an input to change the other subscribable's state.

Parameters

Name	Type	Description
to	MutableSubscribable<any, ReadonlyMap<K, V>>	The mutable subscribable to which to pipe this subscribable's state.
paused?	boolean	Whether the new subscription should be initialized as paused. Defaults to false.

Returns

Subscription

The new subscription.

Implementation of

MutableSubscribableMap.pipe

Inherited from

AbstractSubscribableMap.pipe

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:243

▸ pipe<M>(to, map, paused?): Subscription

Subscribes to and pipes mapped inputs from another subscribable. Whenever an update of the other subscribable's state is received through the subscription, it will be transformed by the specified mapping function, and the transformed state will be used as an input to change this subscribable's state.

Type parameters

Name
M

Parameters

Name	Type	Description
to	MutableSubscribable<any, M>	The mutable subscribable to which to pipe this subscribable's mapped state.
map	(fromVal: ReadonlyMap<K, V>, toVal: M) => M	The function to use to transform inputs.
paused?	boolean	Whether the new subscription should be initialized as paused. Defaults to false.

Returns

Subscription

The new subscription.

Implementation of

MutableSubscribable.pipe

Inherited from

AbstractSubscribableMap.pipe

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:253

▸ pipe(to, paused?): Subscription

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

Name	Type	Description
to	MutableSubscribableMap<K, V>	The mutable subscribable map to which to pipe this map's state.
paused?	boolean	Whether the new subscription should be initialized as paused. Defaults to false.

Returns

Subscription

The new subscription.

Implementation of

MutableSubscribable.pipe

Inherited from

AbstractSubscribableMap.pipe

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:262

---

set

▸ set(entries): void

Sets the key-value pairs contained in this map.

Parameters

Name	Type	Description
entries	Iterable<[K, V]>	The key-value pairs to set.

Returns

void

Implementation of

MutableSubscribable.set

Defined in

src/sdk/sub/MapSubject.ts:44

---

setValue

▸ setValue(key, value): this

Adds a key-value pair to this map. If this map already contains the specified key, then the existing value stored under the key will be replaced with the new value.

Parameters

Name	Type	Description
key	K	The key to add.
value	V	The value to add.

Returns

this

This map, after the key-value pair has been added.

Implementation of

MutableSubscribableMap.setValue

Defined in

src/sdk/sub/MapSubject.ts:59

---

sub

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

Subscribes to changes in this subscribable's state.

Parameters

Name	Type	Default value	Description
handler	SubscribableMapHandler<K, V>	undefined	A function which is called when this subscribable's state changes.
initialNotify	boolean	false	Whether to immediately invoke the callback function with this subscribable's current state. Defaults to false. This argument is ignored if the subscription is initialized as paused.
paused	boolean	false	Whether the new subscription should be initialized as paused. Defaults to false.

Returns

Subscription

The new subscription.

Implementation of

MutableSubscribableMap.sub

Inherited from

AbstractSubscribableMap.sub

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:62

---

unsub

▸ unsub(handler): void

Unsubscribes a callback function from this subscribable.

Parameters

Name	Type	Description
handler	SubscribableMapHandler<K, V>	The function to unsubscribe.

Returns

void

Deprecated

This method has been deprecated in favor of using the Subscription object returned by .sub() to manage subscriptions.

Implementation of

MutableSubscribable.unsub

Inherited from

AbstractSubscribableMap.unsub

Defined in

src/sdk/sub/AbstractSubscribableMap.ts:77

---

create

▸ create<K, V>(initialEntries?): MapSubject<K, V>

Creates and returns a new MapSubject.

Type parameters

Name
K
V

Parameters

Name	Type	Description
initialEntries?	Iterable<[K, V]>	The key-value pairs initially contained in the new map. If not defined, then the new map will initially be empty.

Returns

MapSubject<K, V>

A new MapSubject instance.

Defined in

src/sdk/sub/MapSubject.ts:31