From 2161434d1671edac32ef06bf35cc8fe4c905a7db Mon Sep 17 00:00:00 2001
From: Akira Matsuda <ronnie@dio.jp>
Date: Fri, 4 Jan 2013 05:14:24 +0900
Subject: update the scaffold generator outputs
---
guides/source/command_line.md | 3 ++-
guides/source/generators.md | 18 ++++++++++++++----
2 files changed, 16 insertions(+), 5 deletions(-)
diff --git a/guides/source/command_line.md b/guides/source/command_line.md
index 746226fa96..26bc08032a 100644
--- a/guides/source/command_line.md
+++ b/guides/source/command_line.md
@@ -225,7 +225,8 @@ $ rails generate scaffold HighScore game:string score:integer
invoke test_unit
create test/models/high_score_test.rb
create test/fixtures/high_scores.yml
- route resources :high_scores
+ invoke resource_route
+ route resources :high_scores
invoke scaffold_controller
create app/controllers/high_scores_controller.rb
invoke erb
diff --git a/guides/source/generators.md b/guides/source/generators.md
index 62de5a70bb..8b91dfc5a5 100644
--- a/guides/source/generators.md
+++ b/guides/source/generators.md
@@ -176,7 +176,8 @@ $ rails generate scaffold User name:string
invoke test_unit
create test/models/user_test.rb
create test/fixtures/users.yml
- route resources :users
+ invoke resource_route
+ route resources :users
invoke scaffold_controller
create app/controllers/users_controller.rb
invoke erb
@@ -192,8 +193,13 @@ $ rails generate scaffold User name:string
create app/helpers/users_helper.rb
invoke test_unit
create test/helpers/users_helper_test.rb
- invoke stylesheets
- create app/assets/stylesheets/scaffold.css
+ invoke assets
+ invoke coffee
+ create app/assets/javascripts/users.js.coffee
+ invoke scss
+ create app/assets/stylesheets/users.css.scss
+ invoke scss
+ create app/assets/stylesheets/scaffolds.css.scss
```
Looking at this output, it's easy to understand how generators work in Rails 3.0 and above. The scaffold generator doesn't actually generate anything, it just invokes others to do the work. This allows us to add/replace/remove any of those invocations. For instance, the scaffold generator invokes the scaffold_controller generator, which invokes erb, test_unit and helper generators. Since each generator has a single responsibility, they are easy to reuse, avoiding code duplication.
@@ -350,6 +356,7 @@ $ rails generate scaffold Comment body:text
invoke shoulda
create test/models/comment_test.rb
create test/fixtures/comments.yml
+ invoke resource_route
route resources :comments
invoke scaffold_controller
create app/controllers/comments_controller.rb
@@ -360,13 +367,16 @@ $ rails generate scaffold Comment body:text
create app/views/comments/show.html.erb
create app/views/comments/new.html.erb
create app/views/comments/_form.html.erb
- create app/views/layouts/comments.html.erb
invoke shoulda
create test/controllers/comments_controller_test.rb
invoke my_helper
create app/helpers/comments_helper.rb
invoke shoulda
create test/helpers/comments_helper_test.rb
+ invoke assets
+ invoke coffee
+ create app/assets/javascripts/comments.js.coffee
+ invoke scss
```
Fallbacks allow your generators to have a single responsibility, increasing code reuse and reducing the amount of duplication.
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