Added partial_extra_params to link_to_add_nested helper

README.md

@@ -190,6 +190,12 @@ link_to_add_nested(form, :order_items, '#order-items', partial: 'my_partial')
 link_to_add_nested(form, :order_items, '#order-items', partial_form_variable: :ff)
 ```
 
+You can also pass more local variables to the partial by setting the partial_locals value.
+
+```Ruby
+link_to_add_nested(form, :order_items, '#order-items', partial_locals: { key: 'value' })
+``` 
+
 #### Tag
 
 The HTML tag that will be generated. An `<a>` tag by default.

lib/vanilla_nested/view_helpers.rb

@@ -9,19 +9,20 @@ module ViewHelpers
     # @param link_classes [String] space separated classes for the link tag
     # @param insert_method [:append, :prepend] tells javascript if the new fields should be appended or prepended to the container
     # @param partial_form_variable [String, Symbol] name of the variable that represents the form builder inside the fields partial
+    # @param partial_locals [Hash] extra params that should be send to the partial
     # @param tag [String] HTML tag to use for the html generated, defaults to and `a` tag
     # @param link_content [Block] block of code for the link content
     # @param tag_attributes [Hash<attribute, value>] hash with attribute,value pairs for the html tag
     # @return [String] link tag
-    def link_to_add_nested(form, association, container_selector, link_text: nil, link_classes: '', insert_method: :append, partial: nil, partial_form_variable: :form, tag: 'a', tag_attributes: {}, &link_content)
+    def link_to_add_nested(form, association, container_selector, link_text: nil, link_classes: '', insert_method: :append, partial: nil, partial_form_variable: :form, partial_locals: {}, tag: 'a', tag_attributes: {}, &link_content)
       association_class = form.object.class.reflections[association.to_s].klass
       object = association_class.new
 
       partial_name = partial || "#{association_class.name.underscore}_fields"
 
       html = capture do
         form.fields_for association, object, child_index: '_idx_placeholder_' do |ff|
-          render partial: partial_name, locals: { partial_form_variable => ff }
+          render partial: partial_name, locals: { partial_form_variable => ff }.merge(partial_locals)
         end
       end
 

test/VanillaNestedTests/Gemfile.lock

@@ -110,6 +110,8 @@ GEM
     minitest (5.14.4)
     msgpack (1.4.2)
     nio4r (2.5.8)
+    nokogiri (1.12.5-x86_64-darwin)
+      racc (~> 1.4)
     nokogiri (1.12.5-x86_64-linux)
       racc (~> 1.4)
     public_suffix (4.0.6)
@@ -212,6 +214,7 @@ GEM
     zeitwerk (2.5.1)
 
 PLATFORMS
+  x86_64-darwin-21
   x86_64-linux
 
 DEPENDENCIES
@@ -241,4 +244,4 @@ RUBY VERSION
    ruby 2.6.6p146
 
 BUNDLED WITH
-   2.2.29
+   2.3.22

test/VanillaNestedTests/db/schema.rb

@@ -2,8 +2,8 @@
 # of editing this file, please use the migrations feature of Active Record to
 # incrementally modify your database, and then regenerate this schema definition.
 #
-# This file is the source Rails uses to define your schema when running `rails
-# db:schema:load`. When creating a new database, `rails db:schema:load` tends to
+# This file is the source Rails uses to define your schema when running `bin/rails
+# db:schema:load`. When creating a new database, `bin/rails db:schema:load` tends to
 # be faster and is potentially less error prone than running all of your
 # migrations from scratch. Old migrations may fail to apply correctly if those
 # migrations use external dependencies or application code.
@@ -13,7 +13,7 @@
 ActiveRecord::Schema.define(version: 2021_02_20_015510) do
 
   create_table "pets", force: :cascade do |t|
-    t.integer "user_id"
+    t.bigint "user_id"
     t.string "name"
     t.string "color"
     t.index ["user_id"], name: "index_pets_on_user_id"