From 7ac9653f4efe61f12b27adb0a7261547c17e266c Mon Sep 17 00:00:00 2001 From: Thiago Arrais Date: Fri, 4 Nov 2016 18:32:52 -0300 Subject: [PATCH] RDoc for group_by_exp --- lib/jekyll/filters/grouping_filters.rb | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/lib/jekyll/filters/grouping_filters.rb b/lib/jekyll/filters/grouping_filters.rb index 372b1e7b..804c6559 100644 --- a/lib/jekyll/filters/grouping_filters.rb +++ b/lib/jekyll/filters/grouping_filters.rb @@ -18,6 +18,13 @@ module Jekyll end end + # Group an array of items by an expression + # + # input - the object array + # variable - the variable to assign each item to in the expression + # expression -a Liquid comparison expression passed in as a string + # + # Returns the filtered array of objects def group_by_exp(input, variable, expression) return input unless groupable?(input)