c

jshelpers

JsUndefOrNullOps

final class JsUndefOrNullOps[T] extends AnyVal

Handled js.UndefOr[T|Null] directly vs needing to flatmap into it. Don't forget that scala.js has anUndefOr.orNull to extract the value or return null which is *not* what the methods below do.

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AnyVal, Any
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  1. JsUndefOrNullOps
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Instance Constructors

  1. new JsUndefOrNullOps(a: UndefOr[|[T, Null]])

Value Members

  1. def !: T

    Alias for .get

    Alias for .get

    Annotations
    @inline()
  2. final def !=(arg0: Any): Boolean
    Definition Classes
    Any
  3. def !?[B >: T](default: => T): T
    Annotations
    @inline()
  4. final def ##: Int
    Definition Classes
    Any
  5. final def ==(arg0: Any): Boolean
    Definition Classes
    Any
  6. def ??[B >: T](default: => T): T

    Alias for getOrElse.

    Alias for getOrElse.

    Annotations
    @inline()
  7. val a: UndefOr[|[T, Null]]
  8. def absorbNull: UndefOr[T]

    Treat null as undefined and change type from T|Null to T.

    Treat null as undefined and change type from T|Null to T.

    Annotations
    @inline()
  9. def absorbNullKeepTruthy: UndefOr[T]

    T|Null may still have T not being truthy, so absorb null and non-truthiness => js.undefined.

    T|Null may still have T not being truthy, so absorb null and non-truthiness => js.undefined.

    Annotations
    @inline()
  10. def absorbUndef: |[T, Null]

    Absorb the js.UndefOr leaving T|Null.

    Absorb the js.UndefOr leaving T|Null.

    Annotations
    @inline()
  11. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  12. def flatten: UndefOr[T]

    Flatten the UndefOr and Null to UndefOr only.

    Flatten the UndefOr and Null to UndefOr only.

    Annotations
    @inline()
  13. def flattenUndefOr: |[T, Null]

    flatten but leave the UndefOr.

    flatten but leave the UndefOr. Same as absorbUndef.

    Annotations
    @inline()
  14. def get: T

    May be undefined or null or something.

    May be undefined or null or something. Throws exception.

    Annotations
    @inline()
  15. def getClass(): Class[_ <: AnyVal]
    Definition Classes
    AnyVal → Any
  16. def getOrElse[B >: T](default: => T): T
    Annotations
    @inline()
  17. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  18. def swap: |[UndefOr[T], Null]

    Natural transformation.

    Natural transformation.

    Annotations
    @inline()
  19. def toString(): String
    Definition Classes
    Any

Inherited from AnyVal

Inherited from Any

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