Module: React

Defined in:
lib/react/opal/event.rb,
lib/react/opal/testing.rb,
lib/react/opal/version.rb,
lib/react/opal/callbacks.rb,
lib/react/opal/component.rb,
lib/react/opal/top_level.rb,
lib/react/opal/validator.rb,
lib/react/opal/component/api.rb,
lib/react/opal/native_element.rb,
lib/react/opal/props_children.rb,
lib/react/opal/component_factory.rb

Defined Under Namespace

Modules: Callbacks, Component, PropsChildren, Testing Classes: ComponentFactory, Event, NativeElement, Validator

Constant Summary collapse

VERSION = 
'0.14.1'
HTML_TAGS = 
%w(a abbr address area article aside audio b base bdi bdo big blockquote body br
button canvas caption cite code col colgroup data datalist dd del details dfn
dialog div dl dt em embed fieldset figcaption figure footer form h1 h2 h3 h4 h5
h6 head header hr html i iframe img input ins kbd keygen label legend li link
main map mark menu menuitem meta meter nav noscript object ol optgroup option
output p param picture pre progress q rp rt ruby s samp script section select
small source span strong style sub summary sup table tbody td textarea tfoot th
thead time title tr track u ul var video wbr)

Class Method Summary collapse

Class Method Details

.camel_case_hash_keys(input) ⇒ Object 



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# File 'lib/react/opal/top_level.rb', line 57

def self.camel_case_hash_keys(input)
  as_array = input.map do |key, value|
    new_value = block_given? ? yield(key, value) : value
    [lower_camelize(key), new_value]
  end
  Hash[as_array]
end

.create_element(type, properties = {}) ⇒ Object 



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# File 'lib/react/opal/top_level.rb', line 14

def self.create_element(type, properties = {})
  params = []

  # Component Spec or Normal DOM
  native = `(typeof type === 'function')` || HTML_TAGS.include?(type)
  params << if native
              type
            elsif type.kind_of?(Class)
              raise "Provided class should define `render` method" if !(type.method_defined? :render)
              React::ComponentFactory.native_component_class(type)
            else
              raise "#{type} not implemented"
            end

  # Passed in properties
  props = camel_case_hash_keys(properties) do |key, value|
    if key == "class_name" && value.is_a?(Hash)
      value.inject([]) { |ary, (k, v)| v ? ary.push(k) : ary }.join(" ")
    elsif key == 'value_link'
      process_value_link value
    else
      value
    end
  end

  params << props.shallow_to_n

  # Children Nodes
  if block_given?
    [yield].flatten.each do |ele|
      params << ele
    end
  end

  element = `React.createElement.apply(null, #{params})`
  React::NativeElement.new(element)
end

.expose_native_class(*args) ⇒ Object 



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# File 'lib/react/opal/top_level.rb', line 92

def self.expose_native_class(*args)
  args.each do |klass|
    `window[#{klass.to_s}] = #{React::ComponentFactory.native_component_class(klass)}`
  end
end

.find_dom_node(component) ⇒ Object 



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# File 'lib/react/opal/top_level.rb', line 98

def self.find_dom_node(component)
  `ReactDOM.findDOMNode(#{component})`
end

.is_valid_element(element) ⇒ Object 



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# File 'lib/react/opal/top_level.rb', line 76

def self.is_valid_element(element)
  `React.isValidElement(#{element})`
end

.lower_camelize(str) ⇒ Object 



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# File 'lib/react/opal/top_level.rb', line 52

def self.lower_camelize(str)
  camelized = str.camelize
  camelized[0].downcase + camelized[1..-1]
end

.process_value_link(arguments) ⇒ Object 



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# File 'lib/react/opal/top_level.rb', line 65

def self.process_value_link(arguments)
  arguments = arguments.call if arguments.is_a? Proc
  camel_case_hash_keys(arguments).to_n
end

.render(element, container) ⇒ Object 



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# File 'lib/react/opal/top_level.rb', line 70

def self.render(element, container)
  component = Native(`ReactDOM.render(#{element}, container, function(){#{yield if block_given?}})`)
  component.class.include(React::Component::API)
  component
end

.render_to_static_markup(element) ⇒ Object 



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# File 'lib/react/opal/top_level.rb', line 84

def self.render_to_static_markup(element)
  `ReactDOMServer.renderToStaticMarkup(#{element})`
end

.render_to_string(element) ⇒ Object 



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# File 'lib/react/opal/top_level.rb', line 80

def self.render_to_string(element)
  `ReactDOMServer.renderToString(#{element})`
end

.unmount_component_at_node(node) ⇒ Object 



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# File 'lib/react/opal/top_level.rb', line 88

def self.unmount_component_at_node(node)
  `ReactDOM.unmountComponentAtNode(node)`
end