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