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Contents
# frozen_string_literal: true
require_relative 'if'
module Liquid
# @liquid_public_docs
# @liquid_type tag
# @liquid_category conditional
# @liquid_name unless
# @liquid_summary
# Renders an expression unless a specific condition is `true`.
# @liquid_description
# > Tip:
# > Similar to the [`if` tag](/docs/api/liquid/tags/if), you can use `elsif` to add more conditions to an `unless` tag.
# @liquid_syntax
# {% unless condition %}
# expression
# {% endunless %}
# @liquid_syntax_keyword condition The condition to evaluate.
# @liquid_syntax_keyword expression The expression to render unless the condition is met.
class Unless < If
def render_to_output_buffer(context, output)
# First condition is interpreted backwards ( if not )
first_block = @blocks.first
result = Liquid::Utils.to_liquid_value(
first_block.evaluate(context),
)
unless result
return first_block.attachment.render_to_output_buffer(context, output)
end
# After the first condition unless works just like if
@blocks[1..-1].each do |block|
result = Liquid::Utils.to_liquid_value(
block.evaluate(context),
)
if result
return block.attachment.render_to_output_buffer(context, output)
end
end
output
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems