Class

scala.scalajs.js

WeakRef

Related Doc: package js

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class WeakRef[+T] extends Object

ECMAScript 2021

A WeakRef object lets you hold a weak reference to another object, without preventing that object from getting garbage-collected.

MDN

T

unconstrained, but the constructor will throw a TypeError if targetObject is not an Object.

Annotations
@JSType() @native() @JSGlobal()
Linear Supertypes
Object, Any, AnyRef, scala.Any
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. WeakRef
  2. Object
  3. Any
  4. AnyRef
  5. Any
Implicitly
  1. by any2stringadd
  2. by StringFormat
  3. by Ensuring
  4. by ArrowAssoc
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new WeakRef(targetObject: T)

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    targetObject

    An object whose weak reference contained by an instance of WeakRef.

Value Members

  1. final def !=(arg0: scala.Any): Boolean

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    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any

  3. def +(other: String): String

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    Implicit information
    This member is added by an implicit conversion from WeakRef[T] to any2stringadd[WeakRef[T]] performed by method any2stringadd in scala.Predef.
    Definition Classes
    any2stringadd

  4. def ->[B](y: B): (WeakRef[T], B)

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    Implicit information
    This member is added by an implicit conversion from WeakRef[T] to ArrowAssoc[WeakRef[T]] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @inline()

  5. final def ==(arg0: scala.Any): Boolean

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    Definition Classes
    AnyRef → Any

  6. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any

  7. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  8. def deref[S >: T](): UndefOr[S]

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    The target object of the WeakRef, or undefined if the object has been garbage-collected.

  9. def ensuring(cond: (WeakRef[T]) ⇒ Boolean, msg: ⇒ scala.Any): WeakRef[T]

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    Implicit information
    This member is added by an implicit conversion from WeakRef[T] to Ensuring[WeakRef[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring

  10. def ensuring(cond: (WeakRef[T]) ⇒ Boolean): WeakRef[T]

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    Implicit information
    This member is added by an implicit conversion from WeakRef[T] to Ensuring[WeakRef[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring

  11. def ensuring(cond: Boolean, msg: ⇒ scala.Any): WeakRef[T]

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    Implicit information
    This member is added by an implicit conversion from WeakRef[T] to Ensuring[WeakRef[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring

  12. def ensuring(cond: Boolean): WeakRef[T]

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    Implicit information
    This member is added by an implicit conversion from WeakRef[T] to Ensuring[WeakRef[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring

  13. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef

  14. def equals(arg0: scala.Any): Boolean

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    Definition Classes
    AnyRef → Any

  15. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

  16. def formatted(fmtstr: String): String

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    Implicit information
    This member is added by an implicit conversion from WeakRef[T] to StringFormat[WeakRef[T]] performed by method StringFormat in scala.Predef.
    Definition Classes
    StringFormat
    Annotations
    @inline()

  17. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any

  18. def hasOwnProperty(v: String): Boolean

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    Tests whether this object has the specified property as a direct property.

    Tests whether this object has the specified property as a direct property.

    Unlike js.Object.hasProperty, this method does not check down the object's prototype chain.

    MDN

    Definition Classes
    Object

  19. def hashCode(): Int

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    Definition Classes
    AnyRef → Any

  20. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any

  21. def isPrototypeOf(v: Object): Boolean

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    Tests whether this object is in the prototype chain of another object.

    Tests whether this object is in the prototype chain of another object.

    Definition Classes
    Object

  22. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef

  23. final def notify(): Unit

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    Definition Classes
    AnyRef

  24. final def notifyAll(): Unit

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    Definition Classes
    AnyRef

  25. def propertyIsEnumerable(v: String): Boolean

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    Tests whether the specified property in an object can be enumerated by a call to js.Object.properties, with the exception of properties inherited through the prototype chain.

    Tests whether the specified property in an object can be enumerated by a call to js.Object.properties, with the exception of properties inherited through the prototype chain.

    If the object does not have the specified property, this method returns false.

    MDN

    Definition Classes
    Object

  26. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef

  27. def toLocaleString(): String

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    Definition Classes
    Object

  28. def toString(): String

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    Definition Classes
    AnyRef → Any

  29. def valueOf(): scala.Any

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    Definition Classes
    Object

  30. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  31. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  32. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  33. def →[B](y: B): (WeakRef[T], B)

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    Implicit information
    This member is added by an implicit conversion from WeakRef[T] to ArrowAssoc[WeakRef[T]] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc

Inherited from Object

Inherited from Any

Inherited from AnyRef

Inherited from scala.Any

Inherited by implicit conversion any2stringadd from WeakRef[T] to any2stringadd[WeakRef[T]]

Inherited by implicit conversion StringFormat from WeakRef[T] to StringFormat[WeakRef[T]]

Inherited by implicit conversion Ensuring from WeakRef[T] to Ensuring[WeakRef[T]]

Inherited by implicit conversion ArrowAssoc from WeakRef[T] to ArrowAssoc[WeakRef[T]]

Ungrouped