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# frozen_string_literal: true
module Banzai
class FilterArray < Array
# Insert a value immediately after another value
#
# If the preceding value does not exist, the new value is added to the end
# of the Array.
def insert_after(after_value, value)
i = index(after_value) || (length - 1)
insert(i + 1, value)
end
# Insert a value immediately before another value
#
# If the succeeding value does not exist, the new value is added to the
# beginning of the Array.
def insert_before(before_value, value)
i = index(before_value) || -1
if i < 0
unshift(value)
else
insert(i, value)
end
end
end
end
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