Package com.vaadin.client.flow.collection

Class JsCollections

java.lang.Object

com.vaadin.client.flow.collection.JsCollections

public class JsCollections
extends Object

Factory for JavaScript collection implementations with support for alternative JRE implementations.

Since:

1.0

Author:

Vaadin Ltd

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	JsCollections.ForEachCallback<V>	Functional interface for iterating all the entries in a JsSet or JsArray.

Method Summary

Modifier and Type	Method	Description
static <T> JsArray<T>	array()	Creates a new JavaScript Array.
static <T> JsArray<T>	array(T... values)	Creates a new JavaScript Array with the given contents.
static <K, V> JsMap<K,V>	map()	Creates a new JavaScript Map.
static <V> JsSet<V>	set()	Creates a new empty JavaScript Set.
static <T> JsSet<T>	set(JsSet<T> values)	Creates a new JavaScript Set with the same contents as another set.
static <K, V> JsWeakMap<K,V>	weakMap()	Creates a new JavaScript WeakMap.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

array

public static <T> JsArray<T> array()

Creates a new JavaScript Array.

Type Parameters:

T - the array type

Returns:

a new JS array instance

array

@SafeVarargs
public static <T> JsArray<T> array(T... values)

Creates a new JavaScript Array with the given contents.

Type Parameters:

T - the array type

Parameters:

values - the values of the new array

Returns:

a new JS array instance

map

public static <K,
V> JsMap<K,V> map()

Creates a new JavaScript Map.

Type Parameters:

K - the key type

V - the value type

Returns:

a new JS map instance

weakMap

public static <K,
V> JsWeakMap<K,V> weakMap()

Creates a new JavaScript WeakMap.

Type Parameters:

K - the key type

V - the value type

Returns:

a new JS weak map instance

set

public static <V> JsSet<V> set()

Creates a new empty JavaScript Set.

Type Parameters:

V - the set type

Returns:

a new empty JS Set instance

set

public static <T> JsSet<T> set(JsSet<T> values)

Creates a new JavaScript Set with the same contents as another set.

Type Parameters:

T - the set type

Parameters:

values - a set of values to add to the new set

Returns:

a new JS Set with the provided contents