Introduce field_name view helper
#43409
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p8
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Oct 12, 2021
The `field_name` helper and corresponding `FormBuilder#field_name` method provide an Action View-compliant way of overriding a form field element's `[name]` attribute (similar to `field_id` and `FormBuilder#field_id` introduced in rails#40127[][]). ```ruby text_field_tag :post, :title, name: field_name(:post, :title, :subtitle) # => <input type="text" name="post[title][subtitle]"> text_field_tag :post, :tag, name: field_name(:post, :tag, multiple: true) # => <input type="text" name="post[tag][]"> form_for @post do |f| f.field_tag :tag, name: f.field_name(:tag, multiple: true) # => <input type="text" name="post[tag][]"> end ``` [rails#40127]: rails#40127
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The
field_namehelper and correspondingFormBuilder#field_namemethod provide an Action View-compliant way of overriding a form field
element's
[name]attribute (similar tofield_idandFormBuilder#field_idintroduced in #40127[][]).