Class Exception<L, D>

constructor

• new Exception<L, D>(notice, error?, data?): Exception<L, D>

• Type Parameters

  • L extends Label = Label
  • D = any

  Parameters

  • notice: string | [L, string]

    a message string or an array containing a label and a message
  • Optionalerror: null | Error

    an optional source or original error that caused the exception
  • Optionaldata: D

    an optional data field

  Returns Exception<L, D>

data

error

label

name

• get name(): string

• Exception.name will have value "Exception" or "Exception [label]" instead of "Error"

  Returns string

root

• root(): Exception<Label, any>

• References the first Exception in the Exception.error chain.

  Returns Exception<Label, any>

Staticfrom

• from<L, D>(item): Exception<L, D>

• Creates an Exception from any exception-like object. When item is an Exception, a new instance will not be created.

  Type Parameters

  • L extends Label
  • D

  Parameters

  • item: Like<L, D>

  Returns Exception<L, D>

Staticis

• is<L>(item, label?): item is Exception<L, any>

• Tests whether an item is an instance of the Exception class or any class inheriting from it. When item is an Exception, it will optionally test for the instance also having a specific label.

  Type Parameters

  • L extends Label = Label

  Parameters

  • item: any
  • Optionallabel: L

  Returns item is Exception<L, any>