c

jshelpers

JsUndefOrOps

final class JsUndefOrOps[A] extends UndefOrCommon[A]

Note that js.UndefOr and js.| already have a .orNull method.

Linear Supertypes
UndefOrCommon[A], AnyRef, Any
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Inherited
  1. JsUndefOrOps
  2. UndefOrCommon
  3. AnyRef
  4. Any
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Visibility
  1. Public
  2. Protected

Instance Constructors

  1. new JsUndefOrOps(a: UndefOr[A])

Value Members

  1. def !?[B >: A](default: => B): B

    Same as .getOrElse just shorter.

    Same as .getOrElse just shorter.

    Definition Classes
    UndefOrCommon
    Annotations
    @inline()
  2. def ??[B >: A](default: => B): B

    Same as .getOrElse just shorter.

    Same as .getOrElse just shorter.

    Definition Classes
    UndefOrCommon
    Annotations
    @inline()
  3. val a: UndefOr[A]
    Definition Classes
    JsUndefOrOps → UndefOrCommon
  4. def as[B]: UndefOr[B]

    Changes what's inside but preserves UndefOr.

    Changes what's inside but preserves UndefOr.

    Definition Classes
    UndefOrCommon
  5. def filterNull: UndefOr[A]

    null => undefined, else the value remains.

    null => undefined, else the value remains.

    Definition Classes
    UndefOrCommon
  6. def filterTruthy: UndefOr[A]

    Keep the value if its truthy, otherwise return undefined.

    Keep the value if its truthy, otherwise return undefined.

    Definition Classes
    UndefOrCommon
  7. def isNull: Boolean

    Tests for overall nullness which is different than .isEmpty|.nonEmpty.

    Tests for overall nullness which is different than .isEmpty|.nonEmpty.

    Definition Classes
    UndefOrCommon
  8. def isTotalEmpty: Boolean

    This may override UndefOr.isEmpty but this checks for null as well.

    This may override UndefOr.isEmpty but this checks for null as well.

    Definition Classes
    UndefOrCommon
  9. def toNonNullOption: Option[A]

    This could also be _.toOption.filter(_ != null) but below is slightly faster.

    This could also be _.toOption.filter(_ != null) but below is slightly faster.

    Definition Classes
    UndefOrCommon
  10. def toNull: |[A, Null]

    Convert UndefOr[A] => A|Null

    Convert UndefOr[A] => A|Null

    Definition Classes
    UndefOrCommon
  11. def toStringJs: String

    Calls toString.

    Calls toString. I'm not sure this is needed at all.

    Definition Classes
    UndefOrCommon
  12. def toTruthy: Boolean

    Equivalent to !!someJSValue

    Equivalent to !!someJSValue

    Definition Classes
    UndefOrCommon
  13. def toUndefOrNull: UndefOr[|[A, Null]]

    Uh-oh, thought it was js.UndefOr[A] but you need to say its a js.UndefOr[A|Null] because the docs were wrong :-).

    Uh-oh, thought it was js.UndefOr[A] but you need to say its a js.UndefOr[A|Null] because the docs were wrong :-).

    Definition Classes
    UndefOrCommon
    Annotations
    @inline()