Module: Schematist::DSL::Conditionals

Included in:
Schematist::DSL
Defined in:
lib/schematist/dsl/conditionals.rb

Instance Method Summary collapse

Instance Method Details

#conditions ⇒ Object 



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# File 'lib/schematist/dsl/conditionals.rb', line 6

def conditions
  @conditions ||= []
end

#dependencies ⇒ Object 



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# File 'lib/schematist/dsl/conditionals.rb', line 10

def dependencies
  @dependencies ||= {}
end

#dependent(property, &block) ⇒ Object 



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# File 'lib/schematist/dsl/conditionals.rb', line 14

def dependent(property, &block)
  builder = ConditionalBuilder.new
  builder.instance_eval(&block)

  dependencies[property.to_s] = builder
end

#given(condition = nil, **properties, &block) ⇒ Object

Matches on property values, or on any schema when one is passed explicitly:

given(status: "shipped") { ... }
given({required: %w[tax_id]}) { ... }

Raises:

  • (ArgumentError) 


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# File 'lib/schematist/dsl/conditionals.rb', line 24

def given(condition = nil, **properties, &block)
  raise ArgumentError, "given requires a condition" if condition.nil? && properties.empty?

  if_schema = condition || {
    properties: properties.transform_keys(&:to_s).transform_values { |v| coerce_condition(v) },
    required: properties.keys.map(&:to_s)
  }

  then_builder = ConditionalBuilder.new
  else_builder = ConditionalBuilder.new

  context = ConditionalContext.new(then_builder, else_builder)
  context.instance_eval(&block)

  condition = {if: if_schema, then: then_builder.to_schema}
  condition[:else] = else_builder.to_schema unless else_builder.empty?

  conditions << condition
end