Reference
Classes
Collection

Class: Collection<T>

Extends

  • Map

Extended by

Type Parameters

Type ParameterDefault type
Tobject

Constructors

new Collection()

new Collection<T>(): Collection<T>

Returns

Collection<T>

Inherited from

Map.constructor

Defined in

node_modules/typescript/lib/lib.es2015.collection.d.ts:49

new Collection()

new Collection<T>(): Collection<T>

Returns

Collection<T>

Inherited from

Map.constructor

Defined in

node_modules/typescript/lib/lib.es2015.collection.d.ts:49

Properties

PropertyModifierTypeDescriptionInherited fromDefined in
[toStringTag]readonlystring-Map.[toStringTag]node_modules/typescript/lib/lib.es2015.symbol.wellknown.d.ts:137
sizereadonlynumberMap.sizenode_modules/typescript/lib/lib.es2015.collection.d.ts:45
[species]readonlyMapConstructor-Map.[species]node_modules/typescript/lib/lib.es2015.symbol.wellknown.d.ts:319

Methods

[iterator]()

[iterator](): IterableIterator<[any, any]>

Returns an iterable of entries in the map.

Returns

IterableIterator<[any, any]>

Inherited from

Map.[iterator]

Defined in

node_modules/typescript/lib/lib.es2015.iterable.d.ts:119


clear()

clear(): void

Returns

void

Inherited from

Map.clear

Defined in

node_modules/typescript/lib/lib.es2015.collection.d.ts:20


delete()

delete(key): boolean

Parameters

ParameterType
keyany

Returns

boolean

true if an element in the Map existed and has been removed, or false if the element does not exist.

Inherited from

Map.delete

Defined in

node_modules/typescript/lib/lib.es2015.collection.d.ts:24


entries()

entries(): IterableIterator<[any, any]>

Returns an iterable of key, value pairs for every entry in the map.

Returns

IterableIterator<[any, any]>

Inherited from

Map.entries

Defined in

node_modules/typescript/lib/lib.es2015.iterable.d.ts:124


first()

first(): T

Returns

T

Defined in

src/core/classes/Collection.ts:23 (opens in a new tab)


forEach()

forEach(callbackfn, thisArg?): void

Executes a provided function once per each key/value pair in the Map, in insertion order.

Parameters

ParameterType
callbackfn(value, key, map) => void
thisArg?any

Returns

void

Inherited from

Map.forEach

Defined in

node_modules/typescript/lib/lib.es2015.collection.d.ts:28


get()

get<V>(key): null | V

Returns a specified element from the Map object. If the value that is associated to the provided key is an object, then you will get a reference to that object and any change made to that object will effectively modify it inside the Map.

Type Parameters

Type Parameter
V

Parameters

ParameterType
keyany

Returns

null | V

Returns the element associated with the specified key. If no element is associated with the specified key, undefined is returned.

Overrides

Map.get

Defined in

src/core/classes/Collection.ts:4 (opens in a new tab)


has()

has(key): boolean

Parameters

ParameterType
keyany

Returns

boolean

boolean indicating whether an element with the specified key exists or not.

Inherited from

Map.has

Defined in

node_modules/typescript/lib/lib.es2015.collection.d.ts:37


keys()

keys(): IterableIterator<any>

Returns an iterable of keys in the map

Returns

IterableIterator<any>

Inherited from

Map.keys

Defined in

node_modules/typescript/lib/lib.es2015.iterable.d.ts:129


last()

last(): T

Returns

T

Defined in

src/core/classes/Collection.ts:27 (opens in a new tab)


random()

random(): T

Returns

T

Defined in

src/core/classes/Collection.ts:31 (opens in a new tab)


remove()

remove(key): boolean

Parameters

ParameterType
keyany

Returns

boolean

Defined in

src/core/classes/Collection.ts:15 (opens in a new tab)


set()

set<V>(key, value): V

Adds a new element with a specified key and value to the Map. If an element with the same key already exists, the element will be updated.

Type Parameters

Type Parameter
V

Parameters

ParameterType
keyany
valueV

Returns

V

Overrides

Map.set

Defined in

src/core/classes/Collection.ts:9 (opens in a new tab)


toArray()

toArray(): T[]

Returns

T[]

Defined in

src/core/classes/Collection.ts:19 (opens in a new tab)


values()

values(): IterableIterator<any>

Returns an iterable of values in the map

Returns

IterableIterator<any>

Inherited from

Map.values

Defined in

node_modules/typescript/lib/lib.es2015.iterable.d.ts:134