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https://github.com/jbranchaud/til
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38 lines
994 B
Markdown
38 lines
994 B
Markdown
# Define The Root Path For The App
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The `root_path` helper that you might want to use in Rails controllers and
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views is not available by default.
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```ruby
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> Rails.application.routes.url_helpers.root_path
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ruby/3.2.2/lib/ruby/gems/3.2.0/gems/irb-1.14.0/lib/irb.rb:1285:in `full_message': undefined method `root_path' for #<Module:0x0000000106d11738> (NoMethodError)
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Rails.application.routes.url_helpers.root_path
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^^^^^^^^^^
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Did you mean? logout_path
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book_path
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```
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It needs to be declared in the `config/routes.rb` file with the controller
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action that it points to.
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```ruby
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# config/routes.rb
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Rails.application.routes.draw do
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root 'home#index'
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end
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```
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Once this is defined the `root_path` will now be available with the rest of
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your URL helpers.
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```ruby
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better-reads(dev)> reload!
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Reloading...
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better-reads(dev)> Rails.application.routes.url_helpers.root_path
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=> "/"
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```
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[source](https://guides.rubyonrails.org/routing.html#using-root)
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