class Reacto::Operations::Map

Public Class Methods

new(mapping, error: nil, close: nil) click to toggle source
# File lib/reacto/operations/map.rb, line 7
def initialize(mapping, error: nil, close: nil)
  @mapping = mapping
  @error = error
  @close = close
end

Public Instance Methods

call(tracker) click to toggle source
# File lib/reacto/operations/map.rb, line 13
def call(tracker)
  error =
    if @error
      -> (e) { tracker.on_error(@error.call(e)) }
    else
      tracker.method(:on_error)
    end

  close =
    if @close
      -> () do
        tracker.on_value(@close.call)
        tracker.on_close
      end
    else
      tracker.method(:on_close)
    end

  Subscriptions::OperationSubscription.new(
    tracker,
    value: -> (v) { tracker.on_value(@mapping.call(v)) },
    error: error,
    close: close
  )
end