Class: React::Router::DSL::Route

Inherits:
Object
  • Object
show all
Defined in:
lib/react/router/dsl/route.rb,
lib/react/router/dsl/route/hooks.rb,
lib/react/router/dsl/route/wrappers.rb

Direct Known Subclasses

Index

Instance Method Summary collapse

Constructor Details

#initialize(*args, &children) ⇒ Route

Returns a new instance of Route.



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# File 'lib/react/router/dsl/route.rb', line 8

def initialize(*args, &children)
  path =
    if args[0].is_a? Hash
      nil
    else
      args[0]
    end
  opts =
    if args[0].is_a? Hash
      args[0]
    else
      args[1] || {}
    end
  unless opts.is_a? Hash
    raise 'Route expects an optional path followed by an options hash, '\
          "instead we got route(#{'"' + path + '", ' if path} #{opts})"
  end
  @children, @index = DSL.evaluate_children do
    yield if children && children.arity == 0
    Index.new(mounts: opts[:index]) if opts[:index]
  end
  opts.delete(:index)
  @get_children = children if children && children.arity > 0
  @path = path
  if opts[:mounts].is_a? Hash
    @components = opts[:mounts]
  else
    @component = opts[:mounts]
  end
  opts.delete(:mounts)
  @opts = opts
  save_element
end

Instance Method Details

#get_child_routes_wrapper ⇒ Object 



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# File 'lib/react/router/dsl/route/wrappers.rb', line 5

def get_child_routes_wrapper
  lambda do |location, callBack|
    children, index, promise =
      React::Router::DSL.evaluate_children(TransitionContext.new(location: location),
                                           &@get_children)
    if promise.class < Promise || promise.is_a?(Promise)

      promise.then do |children|
        callBack.call(nil.to_n, React::Router::DSL.children_to_n(children))
      end.fail { |err_object| callBack.call(err_object, nil.to_n) }
    else
      callBack.call(nil.to_n, DSL.children_to_n(children))
    end
  end
end

#get_component_wrapper ⇒ Object 



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# File 'lib/react/router/dsl/route/wrappers.rb', line 43

def get_component_wrapper
  lambda do |nextState, callBack|
    comp = @component.call(TransitionContext.new(next_state: nextState))
    if comp.class < Promise || comp.is_a?(Promise)
      comp.then do |component|
        component = React::API.create_native_react_class(component)
        `callBack(null, component)`
      end.fail { |err_object| `callBack(#{err_object}, null)` }
    else
      comp = React::API.create_native_react_class(comp)
      `callBack(null, comp)`
    end
  end.to_n
end

#get_components_wrapper ⇒ Object 



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# File 'lib/react/router/dsl/route/wrappers.rb', line 20

def get_components_wrapper
  lambda do |nextState, callBack|
    result_hash = {}
    promises = []
    @components.each do |name, proc_or_comp|
      if proc_or_comp.respond_to? :call
        comp = proc.call(TransitionContext.new(next_state: nextState))
        if comp.class < Promise || comp.is_a?(Promise)
          promises << comp
          comp.then do |component|
            result_hash[name] = React::API.create_native_react_class(component)
          end.fail { |err_object| `callBack(#{err_object}, null)` }
        else
          result_hash[name] = React::API.create_native_react_class(comp)
        end
      else
        result_hash[name] = React::API.create_native_react_class(proc_or_comp)
      end
    end
    Promise.when(*promises).then { `callBack(null, #{result_hash.to_n})` }
  end.to_n
end

#get_index_route_wrapper ⇒ Object 



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# File 'lib/react/router/dsl/route/wrappers.rb', line 90

def get_index_route_wrapper
  lambda do |location, callBack|
    comp = @opts[:index].call(TransitionContext.new(location: location))
    if comp.class < Promise || comp.is_a?(Promise)
      comp.then { |component| `callBack(null, {component: #{component}})` }
          .fail { |err_object| `callBack(#{err_object}, null)` }
    else
      `callBack(null, {component: #{comp}})`
    end
  end.to_n
end

#mounts(name = nil, &block) ⇒ Object 



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# File 'lib/react/router/dsl/route/hooks.rb', line 10

def mounts(name = nil, &block)
  if name
    @components ||= {}
    @components[name] = block
  else
    @component = block
  end
end

#on(hook, &block) ⇒ Object 



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# File 'lib/react/router/dsl/route/hooks.rb', line 5

def on(hook, &block)
  @opts["on_#{hook}"] = block
  self
end

#on_change_wrapper(proc) ⇒ Object 



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# File 'lib/react/router/dsl/route/wrappers.rb', line 71

def on_change_wrapper(proc)
  lambda do |prevState, nextState, replace, callBack|
    comp = @opts[:on_change].call(TransitionContext.new(prev_state: prevState,
                                                        next_state: nextState,
                                                        replace: replace))
    if comp.class < Promise || comp.is_a?(Promise)
      comp.then { `callBack()` }
    else
      `callBack()`
    end
  end.to_n
end

#on_enter_wrapper ⇒ Object 



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# File 'lib/react/router/dsl/route/wrappers.rb', line 58

def on_enter_wrapper
  lambda do |nextState, replace, callBack|
    comp =
      @opts[:on_enter].call(TransitionContext.new(next_state: nextState,
                                                  replace: replace))
    if comp.class < Promise || comp.is_a?(Promise)
      comp.then { `callBack()` }
    else
      `callBack()`
    end
  end.to_n
end

#on_leave_wrapper(proc) ⇒ Object 



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# File 'lib/react/router/dsl/route/wrappers.rb', line 84

def on_leave_wrapper(proc)
  lambda do
    @opts[:on_leave].call(TransitionContext.new)
  end.to_n
end

#save_element ⇒ Object 



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# File 'lib/react/router/dsl/route.rb', line 42

def save_element
  DSL.add_element(self)
end

#to_json ⇒ Object 



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# File 'lib/react/router/dsl/route.rb', line 46

def to_json
  hash = {}
  hash[:path] = @path if @path

  if @get_children
    hash[:getChildRoutes] = get_child_routes_wrapper
  else
    hash[:childRoutes] = @children.map(&:to_json)
  end

  if @components
    if @components.detect { |_k, v| v.respond_to? :call }
      hash[:getComponents] = get_components_wrapper
    else
      hash[:components] = @components
    end
  elsif @component.respond_to? :call
    hash[:getComponent] = get_component_wrapper
  elsif @component
    hash[:component] = React::API.create_native_react_class(@component)
  else
    hash[:component] = DSL.router.lookup_component(@path)
  end

  %w(enter change leave).each do |hook|
    hash["on#{hook.camelcase}"] = send("on_#{hook}_wrapper") if @opts["on_#{hook}"]
  end

  if @index.respond_to? :call
    hash[:getIndexRoute] = get_index_route_wrapper
  elsif @index
    hash[:indexRoute] = @index.to_json
  end

  @opts.each do |key, value|
    hash[key] = value unless %w(on_enter on_change on_leave).include?(key)
  end

  hash
end