class React::RenderingContext
Attributes
waiting_on_resources[RW]
Public Class Methods
as_node(element)
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# File lib/react/rendering_context.rb, line 69 def self.as_node(element) @buffer.delete(element) element end
Also aliased as: delete
build() { |buffer| ... }
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# File lib/react/rendering_context.rb, line 58 def self.build(&block) current = @buffer @buffer = [] return_val = yield @buffer @buffer = current return_val #ensure # @buffer = current # return_val end
build_or_render(node_only, name, *args, &block)
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# File lib/react/rendering_context.rb, line 7 def self.build_or_render(node_only, name, *args, &block) if node_only React::RenderingContext.build { React::RenderingContext.render(name, *args, &block) }.to_n else React::RenderingContext.render(name, *args, &block) end end
remove_nodes_from_args(args)
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# File lib/react/rendering_context.rb, line 80 def self.remove_nodes_from_args(args) args[0].each do |key, value| value.as_node if value.is_a?(Element) rescue nil end if args[0] && args[0].is_a?(Hash) end
render(name, *args, &block)
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# File lib/react/rendering_context.rb, line 15 def self.render(name, *args, &block) remove_nodes_from_args(args) @buffer = [] unless @buffer if block element = build do saved_waiting_on_resources = waiting_on_resources self.waiting_on_resources = nil result = block.call # Todo figure out how children rendering should happen, probably should have special method that pushes children into the buffer # i.e. render_child/render_children that takes Element/Array[Element] and does the push into the buffer if !name && ( # !name means called from outer render so we check that it has rendered correctly (@buffer.count > 1) || # should only render one element (@buffer.count == 1 && @buffer.last != result) || # it should return that element (@buffer.count == 0 && !(result.is_a?(String) || (result.respond_to?(:acts_as_string?) && result.acts_as_string?) || result.is_a?(Element))) #for convience we will also convert the return value to a span if its a string ) raise "a components render method must generate and return exactly 1 element or a string" end @buffer << result.to_s if result.is_a? String || (result.respond_to?(:acts_as_string?) && result.acts_as_string?) # For convience we push the last return value on if its a string @buffer << result if result.is_a?(Element) && @buffer.count == 0 if name buffer = @buffer.dup React.create_element(name, *args) { buffer }.tap do |element| element.waiting_on_resources = saved_waiting_on_resources || !!buffer.detect { |e| e.waiting_on_resources if e.respond_to?(:waiting_on_resources) } end elsif @buffer.last.is_a? React::Element @buffer.last.tap { |element| element.waiting_on_resources ||= saved_waiting_on_resources } else @buffer.last.to_s.span.tap { |element| element.waiting_on_resources = saved_waiting_on_resources } end end elsif name.is_a? React::Element element = name # I BELIEVE WAITING ON RESOURCES SHOULD ALREADY BE SET else element = React.create_element(name, *args) element.waiting_on_resources = waiting_on_resources end @buffer << element self.waiting_on_resources = nil element end
replace(e1, e2)
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# File lib/react/rendering_context.rb, line 76 def self.replace(e1, e2) @buffer[@buffer.index(e1)] = e2 end