Module: React::Component
- Defined in:
- lib/react/component.rb
Defined Under Namespace
Modules: API, ClassMethods
Class Method Summary
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Instance Method Summary
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Dynamic Method Handling
This class handles dynamic methods through the method_missing method
#method_missing(name, *args, &block) ⇒ Object
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# File 'lib/react/component.rb', line 80
def method_missing(name, *args, &block)
unless (React::HTML_TAGS.include?(name) || name == 'present' || name == '_p_tag')
return super
end
if name == "present"
name = args.shift
end
if name == "_p_tag"
name = "p"
end
@buffer = [] unless @buffer
if block
current = @buffer
@buffer = []
result = block.call
element = React.create_element(name, *args) { @buffer.count == 0 ? result : @buffer }
@buffer = current
else
element = React.create_element(name, *args)
end
@buffer << element
element
end
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Class Method Details
.included(base) ⇒ Object
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# File 'lib/react/component.rb', line 8
def self.included(base)
base.include(API)
base.include(React::Callbacks)
base.class_eval do
class_attribute :init_state, :validator
define_callback :before_mount
define_callback :after_mount
define_callback :before_receive_props
define_callback :before_update
define_callback :after_update
define_callback :before_unmount
end
base.extend(ClassMethods)
end
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Instance Method Details
#component_did_mount ⇒ Object
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# File 'lib/react/component.rb', line 48
def component_did_mount
self.run_callback(:after_mount)
end
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#component_did_update(prev_props, prev_state) ⇒ Object
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# File 'lib/react/component.rb', line 64
def component_did_update(prev_props, prev_state)
self.run_callback(:after_update, Hash.new(prev_props), Hash.new(prev_state))
end
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#component_will_mount ⇒ Object
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# File 'lib/react/component.rb', line 44
def component_will_mount
self.run_callback(:before_mount)
end
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#component_will_receive_props(next_props) ⇒ Object
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# File 'lib/react/component.rb', line 52
def component_will_receive_props(next_props)
self.run_callback(:before_receive_props, Hash.new(next_props))
end
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#component_will_unmount ⇒ Object
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# File 'lib/react/component.rb', line 68
def component_will_unmount
self.run_callback(:before_unmount)
end
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#component_will_update(next_props, next_state) ⇒ Object
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# File 'lib/react/component.rb', line 60
def component_will_update(next_props, next_state)
self.run_callback(:before_update, Hash.new(next_props), Hash.new(next_state))
end
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#emit(event_name, *args) ⇒ Object
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# File 'lib/react/component.rb', line 40
def emit(event_name, *args)
self.params["_on#{event_name.to_s.event_camelize}"].call(*args)
end
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#initialize(native_element) ⇒ Object
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# File 'lib/react/component.rb', line 23
def initialize(native_element)
@native = native_element
end
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#p(*args, &block) ⇒ Object
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# File 'lib/react/component.rb', line 72
def p(*args, &block)
if block || args.count == 0 || (args.count == 1 && args.first.is_a?(Hash))
_p_tag(*args, &block)
else
Kernel.p(*args)
end
end
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#params ⇒ Object
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# File 'lib/react/component.rb', line 27
def params
Hash.new(`#{@native}.props`)
end
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#refs ⇒ Object
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# File 'lib/react/component.rb', line 31
def refs
Hash.new(`#{@native}.refs`)
end
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#should_component_update?(next_props, next_state) ⇒ Boolean
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# File 'lib/react/component.rb', line 56
def should_component_update?(next_props, next_state)
self.respond_to?(:needs_update?) ? self.needs_update?(Hash.new(next_props), Hash.new(next_state)) : true
end
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#state ⇒ Object
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# File 'lib/react/component.rb', line 35
def state
raise "No native ReactComponent associated" unless @native
Hash.new(`#{@native}.state`)
end
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