From 1f3c86f1955407847cef7b1534e07f826e6c039b Mon Sep 17 00:00:00 2001
From: Domizio Demichelis <dd.nexus@gmail.com>
Date: Sun, 27 Jan 2019 21:09:10 +0700
Subject: [PATCH] fixed warnings and a few backward incompatible statements

---
 lib/locales/plurals.rb      | 6 +++---
 lib/pagy/countless.rb       | 2 +-
 lib/pagy/extras/items.rb    | 2 +-
 lib/pagy/extras/support.rb  | 2 +-
 lib/pagy/extras/trim.rb     | 2 +-
 lib/pagy/frontend.rb        | 6 +++---
 test/test_helper/backend.rb | 2 +-
 7 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/lib/locales/plurals.rb b/lib/locales/plurals.rb
index 69e7e82df..0ac24ed06 100644
--- a/lib/locales/plurals.rb
+++ b/lib/locales/plurals.rb
@@ -13,9 +13,9 @@
 # A plural proc returns a plural type string based on the passed count
 # Each plural proc may apply to one or more languages below
 plurals = {
-  zero_one_other: -> (count) {zero_one[count] || 'other'},
+  zero_one_other: lambda {|count| zero_one[count] || 'other'},
 
-  zero_one_few_many_other: -> (count) do
+  zero_one_few_many_other: lambda do |count|
     mod10, mod100 = count % 10, count % 100
     if count == 0                                                           ; 'zero'
     elsif mod10 == 1 && mod100 != 11                                        ; 'one'
@@ -25,7 +25,7 @@
     end
   end,
 
-  pl: -> (count) do
+  pl: lambda do |count|
     mod10, mod100 = count % 10, count % 100
     if count == 0                                                                       ; 'zero'
     elsif count == 1                                                                    ; 'one'
diff --git a/lib/pagy/countless.rb b/lib/pagy/countless.rb
index 3387a52b8..18e60c5ec 100644
--- a/lib/pagy/countless.rb
+++ b/lib/pagy/countless.rb
@@ -6,7 +6,7 @@ class Countless < Pagy
 
     # Merge and validate the options, do some simple arithmetic and set a few instance variables
     def initialize(vars={})
-      @vars ||= VARS.merge(vars.delete_if{|_,v| v.nil? || v == '' })    # default vars + cleaned vars (can be overridden)
+      @vars = VARS.merge(vars.delete_if{|_,v| v.nil? || v == '' })      # default vars + cleaned vars (can be overridden)
       { items:1, outset:0, page:1 }.each do |k,min|                     # validate instance variables
         (@vars[k] && instance_variable_set(:"@#{k}", @vars[k].to_i) >= min) \
          or raise(ArgumentError, "expected :#{k} >= #{min}; got #{@vars[k].inspect}")
diff --git a/lib/pagy/extras/items.rb b/lib/pagy/extras/items.rb
index 2a8eb9add..f3ce46790 100644
--- a/lib/pagy/extras/items.rb
+++ b/lib/pagy/extras/items.rb
@@ -14,7 +14,7 @@ module Backend ; private
 
     def pagy_with_items(vars)
       vars[:items] ||= (items = params[vars[:items_param] || VARS[:items_param]]) &&                           # :items from :items_param
-                       [items&.to_i, vars.key?(:max_items) ? vars[:max_items] : VARS[:max_items]].compact.min  # :items capped to :max_items
+                       [items.to_i, vars.key?(:max_items) ? vars[:max_items] : VARS[:max_items]].compact.min   # :items capped to :max_items
     end
 
     alias_method :pagy_get_vars_without_items, :pagy_get_vars
diff --git a/lib/pagy/extras/support.rb b/lib/pagy/extras/support.rb
index f115e30f4..69d74e7ab 100644
--- a/lib/pagy/extras/support.rb
+++ b/lib/pagy/extras/support.rb
@@ -6,7 +6,7 @@
 class Pagy
 
   def to_h
-    { count:  @count,
+    { count:  defined?(@count) && @count,
       page:   @page,
       items:  @items,
       pages:  @pages,
diff --git a/lib/pagy/extras/trim.rb b/lib/pagy/extras/trim.rb
index 874b25502..d34727329 100644
--- a/lib/pagy/extras/trim.rb
+++ b/lib/pagy/extras/trim.rb
@@ -15,7 +15,7 @@ def pagy_link_proc_with_trim(pagy, link_extra='')
       page1_url  = pagy_trim_url(marker_url, "#{p_vars[:page_param]}=#{MARKER}")
       page1_link = %(<a href="#{page1_url}" #{p_vars[:link_extra]} #{link_extra})
       a, b = %(<a href="#{marker_url}" #{p_vars[:link_extra]} #{link_extra}).split(MARKER, 2)
-      -> (n, text=n, extra='') { start = n.to_i == 1 ? page1_link : "#{a}#{n}#{b}"
+      lambda{|n, text=n, extra=''| start = n.to_i == 1 ? page1_link : "#{a}#{n}#{b}"
                                  "#{start}#{ if    n == p_prev ; ' rel="prev"'
                                              elsif n == p_next ; ' rel="next"'
                                              else                           '' end } #{extra}>#{text}</a>" }
diff --git a/lib/pagy/frontend.rb b/lib/pagy/frontend.rb
index 17ddd3e70..ff52d3d21 100644
--- a/lib/pagy/frontend.rb
+++ b/lib/pagy/frontend.rb
@@ -52,9 +52,9 @@ def pagy_get_params(params) params end
     def pagy_link_proc(pagy, link_extra='')
       p_prev, p_next = pagy.prev, pagy.next
       a, b = %(<a href="#{pagy_url_for(MARKER, pagy)}" #{pagy.vars[:link_extra]} #{link_extra}).split(MARKER, 2)
-      -> (n, text=n, extra='') { "#{a}#{n}#{b}#{ if    n == p_prev ; ' rel="prev"'
-                                                 elsif n == p_next ; ' rel="next"'
-                                                 else                           '' end } #{extra}>#{text}</a>" }
+      lambda {|n, text=n, extra=''| "#{a}#{n}#{b}#{ if    n == p_prev ; ' rel="prev"'
+                                                    elsif n == p_next ; ' rel="next"'
+                                                    else                           '' end } #{extra}>#{text}</a>" }
     end
 
     # Pagy::Frontend::I18N
diff --git a/test/test_helper/backend.rb b/test/test_helper/backend.rb
index dd02b31ad..6f0c4c4fc 100644
--- a/test/test_helper/backend.rb
+++ b/test/test_helper/backend.rb
@@ -34,7 +34,7 @@ def count(*)
 class TestGroupedCollection < TestCollection
 
   def count(*)
-    @collection.map { |value| [value, value + 1] }.to_h
+    Hash[@collection.map { |value| [value, value + 1] }]
   end
 
 end