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Hypertext /install ガイドでは、Hypertext を既存の Rails アプリに追加する方法を説明しています。以前のようにレガシー アプリを起動できるようになりましたが、イメージ リソースへのルートを解決できません。ルートを正しく設定していないだけだと思いますが、ガイドの内容から何も変更していません。これは Hyperstack での最初のパスであり、かなり明白なことのように感じますが、これまでに試した単純なテストに屈することはありません。 

routes.rb

    Rails.application.routes.draw do

    mount Hyperstack::Engine => '/hyperstack'  # this route should be first in the routes file so it always matches

/hyperstack/hyper_component.rb

# app/hyperstack/hyper_component.rb
class HyperComponent
  # All component classes must include Hyperstack::Component
  include Hyperstack::Component
  # The Observable module adds state handling
  include Hyperstack::State::Observable
  # The following turns on the new style param accessor
  # i.e. param :foo is accessed by the foo method
  param_accessor_style :accessors
end

/コンポーネント/shipment.rb

class Shipment < HyperComponent

  # param :my_param
  # param param_with_default: "default value"
  # param :param_with_default2, default: "default value" # alternative syntax
  # param :param_with_type, type: Hash
  # param :array_of_hashes, type: [Hash]
  # other :attributes  # collects all other params into a hash
  # fires :callback  # creates a callback param

  # access params using the param name
  # fire a callback using the callback name followed by a !

  # state is kept and read as normal instance variables
  # but when changing state prefix the statement with `mutate`
  # i.e. mutate @my_state = 12
  #      mutate @my_other_state[:bar] = 17

  # the following are the most common lifecycle call backs,
  # delete any that you are not using.
  # call backs may also reference an instance method i.e. before_mount :my_method

  before_mount do
    # any initialization particularly of state variables goes here.
    # this will execute on server (prerendering) and client.
  end

  after_mount do
    # any client only post rendering initialization goes here.
    # i.e. start timers, HTTP requests, and low level jquery operations etc.
  end

  before_update do
    # called whenever a component will be re-rerendered
  end

  before_unmount do
    # cleanup any thing before component is destroyed
    # note timers are broadcast receivers are cleaned up
    # automatically
  end

  render do
    DIV do
      'Shipment'
    end
  end
end

最初からコマンドライン

$ bundle exec foreman start
...
ActionView::Template::Error (couldn't find file 'client_and_server-e8a2a4c02f7542e3e05c' with type 'application/javascript'
...

後でコマンドラインで、

/Users/john/.rvm/gems/ruby-2.6.2/gems/bootstrap-4.3.1/assets/stylesheets
16:45:00 web.1        |   /Users/john/.rvm/gems/ruby-2.6.2/gems/bootstrap-4.3.1/assets/javascripts):
16:45:00 web.1        |     10: 
16:45:00 web.1        |     11:  
16:45:00 web.1        |     12:   // search path default is public/images
16:45:00 web.1        |     13:   = image_tag "Drayage-LongBeach.jpg", :size => "520x360" 
16:45:00 web.1        |     14:   %p
16:45:00 web.1        |     15:   %p
16:45:00 web.1        |     16:
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