Support new Capybara 3 text requirements

gemfiles/master.gemfile

@@ -5,4 +5,5 @@ source "https://rubygems.org"
 gem "capybara", github: "jnicklas/capybara"
 gem "puma"
 
+gem 'byebug'
 gemspec path: "../"

lib/capybara/webkit/node.rb

@@ -6,12 +6,30 @@ def initialize(driver, base, browser)
     end
 
     def visible_text
-      Capybara::Helpers.normalize_whitespace(invoke("text"))
+      text = invoke(:text).to_s
+      if Capybara::VERSION.to_f < 3.0
+        Capybara::Helpers.normalize_whitespace(text)
+      else
+        text.gsub(/\ +/, ' ')
+            .gsub(/[\ \n]*\n[\ \n]*/, "\n")
+            .gsub(/\A[[:space:]&&[^\u00a0]]+/, "")
+            .gsub(/[[:space:]&&[^\u00a0]]+\z/, "")
+            .tr("\u00a0", ' ')
+      end
     end
     alias_method :text, :visible_text
 
     def all_text
-      Capybara::Helpers.normalize_whitespace(invoke("allText"))
+      text = invoke(:allText)
+      if Capybara::VERSION.to_f < 3.0
+        Capybara::Helpers.normalize_whitespace(text)
+      else
+        text.gsub(/[\u200b\u200e\u200f]/, '')
+            .gsub(/[\ \n\f\t\v\u2028\u2029]+/, ' ')
+            .gsub(/\A[[:space:]&&[^\u00a0]]+/, "")
+            .gsub(/[[:space:]&&[^\u00a0]]+\z/, "")
+            .tr("\u00a0", ' ')
+      end
     end
 
     def [](name)

spec/driver_spec.rb

@@ -464,7 +464,8 @@ def url(path)
     end
 
     it "normalizes a node's text" do
-      expect(driver.find_xpath("//div[contains(@class, 'normalize')]").first.visible_text).to eq "Spaces not normalized"
+      expected = Capybara::VERSION.to_f < 3.0 ? 'Spaces not normalized' : 'Spaces not normalized '
+      expect(driver.find_xpath("//div[contains(@class, 'normalize')]").first.visible_text).to eq expected
     end
 
     it "returns all of a node's text" do