Class: Flagship::Dsl

Inherits:
Object
  • Object
show all
Defined in:
lib/flagship/dsl.rb

Defined Under Namespace

Classes: InvalidOptionError

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(key, context, base = nil, &block) ⇒ Dsl

Returns a new instance of Dsl.



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# File 'lib/flagship/dsl.rb', line 6

def initialize(key, context, base = nil, &block)
  @key = key
  @context = context
  @base = base
  @features = {}
  @definition = block
  @base_tags = {}

  if @base
    @base.helper_methods.each do |method|
      define_singleton_method(method.name, &method)
    end
  end

  instance_eval(&@definition)

  helper_methods = singleton_methods.map { |sym| method(sym) }
  @flagset = ::Flagship::Flagset.new(@key, @features, @base, helper_methods)
end

Instance Attribute Details

#flagset ⇒ Object (readonly)

Returns the value of attribute flagset.



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# File 'lib/flagship/dsl.rb', line 4

def flagset
  @flagset
end

Instance Method Details

#disable(key, opts = {}) ⇒ Object

Raises:



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# File 'lib/flagship/dsl.rb', line 42

def disable(key, opts = {})
  raise InvalidOptionError.new("Option :if is not available for #disable") if opts[:if]

  tags = opts.dup
  @features[key] = ::Flagship::Feature.new(key, false, @context, @base_tags.merge(tags))
end

#disabled?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/flagship/dsl.rb', line 61

def disabled?(key)
  @flagset.disabled?(key)
end

#enable(key, opts = {}) ⇒ Object 



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# File 'lib/flagship/dsl.rb', line 26

def enable(key, opts = {})
  tags = opts.dup
  condition = tags.delete(:if)
  # convert to proc
  if condition.is_a?(Symbol)
    sym = condition
    condition = ->(context) { method(sym).call(context) }
  end

  if condition
    @features[key] = ::Flagship::Feature.new(key, condition, @context, @base_tags.merge(tags))
  else
    @features[key] = ::Flagship::Feature.new(key, true, @context, @base_tags.merge(tags))
  end
end

#enabled?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/flagship/dsl.rb', line 57

def enabled?(key)
  @flagset.enabled?(key)
end

#include(mod) ⇒ Object 



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# File 'lib/flagship/dsl.rb', line 65

def include(mod)
  extend mod
end

#with_tags(tags, &block) ⇒ Object 



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# File 'lib/flagship/dsl.rb', line 49

def with_tags(tags, &block)
  orig_base_tags = @base_tags
  @base_tags = @base_tags.merge(tags)
  instance_eval(&block)
ensure
  @base_tags = orig_base_tags
end