• Returns true if the value is a boolean, string, number, or null.

    Returns

    Parameters

    • value: unknown

    Returns value is NullablePrimitive

  • Returns true if the value is a boolean, string, number, null, or undefined.

    Returns

    Parameters

    • value: unknown
    • allowUndefined: false

    Returns value is NullablePrimitive

  • Returns true if the value is a boolean, string, number, null, or undefined.

    Returns

    Parameters

    • value: unknown
    • allowUndefined: boolean

      if set to true will return true if the value is undefined.

    Returns value is undefined | NullablePrimitive

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