module Trailblazer::Activity::DSL::Linear
Implementing a specific DSL
, simplified version of the {Magnetic DSL} from 2017.
Produces {Implementation} and {Intermediate}.
Public Class Methods
VariableMapping(input: VariableMapping.default_input, output: VariableMapping.default_output, output_with_outer_ctx: false)
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Normalizer-steps to implement {:input} and {:output} Returns an Extension instance to be thrown into the `step` DSL
arguments.
# File lib/trailblazer/activity/dsl/linear/variable_mapping.rb, line 7 def self.VariableMapping(input: VariableMapping.default_input, output: VariableMapping.default_output, output_with_outer_ctx: false) input = VariableMapping::Input::Scoped.new( Trailblazer::Option(VariableMapping::filter_for(input)) ) unscope_class = output_with_outer_ctx ? VariableMapping::Output::Unscoped::WithOuterContext : VariableMapping::Output::Unscoped output = unscope_class.new( Trailblazer::Option(VariableMapping::filter_for(output)) ) TaskWrap::Extension( merge: TaskWrap::VariableMapping.merge_for(input, output, id: input.object_id), # wraps filters: {Input(input), Output(output)} ) end
Public Instance Methods
Merge(old_seq, new_seq, end_id: "End.success")
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# File lib/trailblazer/activity/dsl/linear.rb, line 152 def Merge(old_seq, new_seq, end_id: "End.success") # DISCUSS: also Insert new_seq = strip_start_and_ends(new_seq, end_id: end_id) _seq = Insert.Prepend(old_seq, new_seq, end_id) end
strip_start_and_ends(seq, end_id:)
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# File lib/trailblazer/activity/dsl/linear.rb, line 157 def strip_start_and_ends(seq, end_id:) # TODO: introduce Merge namespace? cut_off_index = end_id.nil? ? seq.size : Insert.find_index(seq, end_id) # find the "first" end. seq[1..cut_off_index-1] end